#include "filesys.h"
#include "serverobject.h"
#include "script.h"
-//#include "luna.h"
-#include "luaentity_common.h"
-#include "content_sao.h" // For LuaEntitySAO
-#include "tooldef.h"
+#include "object_properties.h"
+#include "content_sao.h" // For LuaEntitySAO and PlayerSAO
+#include "itemdef.h"
#include "nodedef.h"
#include "craftdef.h"
-#include "craftitemdef.h"
#include "main.h" // For g_settings
#include "settings.h" // For accessing g_settings
#include "nodemetadata.h"
#include "mapblock.h" // For getNodeBlockPos
#include "content_nodemeta.h"
#include "utility.h"
+#include "tool.h"
+#include "daynightratio.h"
+#include "noise.h" // PseudoRandom for LuaPseudoRandom
static void stackDump(lua_State *L, std::ostream &o)
{
}
};
-std::string get_current_modname(lua_State *L)
-{
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
- std::string modname = "";
- if(lua_type(L, -1) == LUA_TSTRING)
- modname = lua_tostring(L, -1);
- lua_pop(L, 1);
- return modname;
-}
-
-void check_modname_prefix(lua_State *L, std::string &name)
-{
- if(name.size() == 0)
- throw LuaError(L, std::string("Name is empty"));
-
- if(name[0] == ':'){
- name = name.substr(1);
- return;
- }
-
- std::string modname = get_current_modname(L);
- assert(modname != "");
-
- // For __builtin, anything goes
- if(modname == "__builtin")
- return;
-
- if(name.substr(0, modname.size()+1) != modname + ":")
- throw LuaError(L, std::string("Name \"")+name
- +"\" does not follow naming conventions: "
- +"\"modname:\" or \":\" prefix required)");
-
- std::string subname = name.substr(modname.size()+1);
- if(!string_allowed(subname, "abcdefghijklmnopqrstuvwxyz"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_"))
- throw LuaError(L, std::string("Name \"")+name
- +"\" does not follow naming conventions: "
- +"\"contains unallowed characters");
-}
-
-static void push_v3f(lua_State *L, v3f p)
-{
- lua_newtable(L);
- lua_pushnumber(L, p.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, p.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, p.Z);
- lua_setfield(L, -2, "z");
-}
-
-static v2s16 read_v2s16(lua_State *L, int index)
-{
- v2s16 p;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "x");
- p.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "y");
- p.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- return p;
-}
-
-static v2f read_v2f(lua_State *L, int index)
-{
- v2f p;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "x");
- p.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "y");
- p.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- return p;
-}
+/*
+ Getters for stuff in main tables
+*/
static Server* get_server(lua_State *L)
{
// Get server from registry
lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- return (Server*)lua_touserdata(L, -1);
+ Server *server = (Server*)lua_touserdata(L, -1);
+ lua_pop(L, 1);
+ return server;
}
-static ServerEnvironment* get_env(lua_State *L)
+/*static ServerEnvironment* get_env(lua_State *L)
{
// Get environment from registry
lua_getfield(L, LUA_REGISTRYINDEX, "minetest_env");
- return (ServerEnvironment*)lua_touserdata(L, -1);
-}
-
-static v3f readFloatPos(lua_State *L, int index)
-{
- v3f pos;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "x");
- pos.X = lua_tonumber(L, -1);
+ ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
lua_pop(L, 1);
- lua_getfield(L, index, "y");
- pos.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, index, "z");
- pos.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- pos *= BS; // Scale to internal format
- return pos;
-}
-
-static void pushFloatPos(lua_State *L, v3f p)
-{
- p /= BS;
- push_v3f(L, p);
-}
-
-static void pushpos(lua_State *L, v3s16 p)
-{
- lua_newtable(L);
- lua_pushnumber(L, p.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, p.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, p.Z);
- lua_setfield(L, -2, "z");
-}
-
-static v3s16 readpos(lua_State *L, int index)
-{
- // Correct rounding at <0
- v3f pf = readFloatPos(L, index);
- return floatToInt(pf, BS);
-}
-
-static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
-{
- lua_newtable(L);
- lua_pushstring(L, ndef->get(n).name.c_str());
- lua_setfield(L, -2, "name");
- lua_pushnumber(L, n.getParam1());
- lua_setfield(L, -2, "param1");
- lua_pushnumber(L, n.getParam2());
- lua_setfield(L, -2, "param2");
-}
+ return env;
+}*/
-static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
+static void objectref_get(lua_State *L, u16 id)
{
- lua_getfield(L, index, "name");
- const char *name = luaL_checkstring(L, -1);
- lua_pop(L, 1);
- u8 param1;
- lua_getfield(L, index, "param1");
- if(lua_isnil(L, -1))
- param1 = 0;
- else
- param1 = lua_tonumber(L, -1);
- lua_pop(L, 1);
- u8 param2;
- lua_getfield(L, index, "param2");
- if(lua_isnil(L, -1))
- param2 = 0;
- else
- param2 = lua_tonumber(L, -1);
- lua_pop(L, 1);
- return MapNode(ndef, name, param1, param2);
+ // Get minetest.object_refs[i]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // object_refs
+ lua_remove(L, -2); // minetest
}
-static video::SColor readARGB8(lua_State *L, int index)
+static void luaentity_get(lua_State *L, u16 id)
{
- video::SColor color;
- luaL_checktype(L, index, LUA_TTABLE);
- lua_getfield(L, index, "a");
- if(lua_isnumber(L, -1))
- color.setAlpha(lua_tonumber(L, -1));
- lua_pop(L, 1);
- lua_getfield(L, index, "r");
- color.setRed(lua_tonumber(L, -1));
- lua_pop(L, 1);
- lua_getfield(L, index, "g");
- color.setGreen(lua_tonumber(L, -1));
- lua_pop(L, 1);
- lua_getfield(L, index, "b");
- color.setBlue(lua_tonumber(L, -1));
- lua_pop(L, 1);
- return color;
+ // Get minetest.luaentities[i]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "luaentities");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushnumber(L, id);
+ lua_gettable(L, -2);
+ lua_remove(L, -2); // luaentities
+ lua_remove(L, -2); // minetest
}
-static core::aabbox3d<f32> read_aabbox3df32(lua_State *L, int index, f32 scale)
-{
- core::aabbox3d<f32> box;
- if(lua_istable(L, -1)){
- lua_rawgeti(L, -1, 1);
- box.MinEdge.X = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 2);
- box.MinEdge.Y = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 3);
- box.MinEdge.Z = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 4);
- box.MaxEdge.X = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 5);
- box.MaxEdge.Y = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 6);
- box.MaxEdge.Z = lua_tonumber(L, -1) * scale;
- lua_pop(L, 1);
- }
- return box;
-}
+/*
+ Table field getters
+*/
static bool getstringfield(lua_State *L, int table,
const char *fieldname, std::string &result)
lua_getfield(L, table, fieldname);
bool got = false;
if(lua_isstring(L, -1)){
- result = lua_tostring(L, -1);
+ size_t len = 0;
+ const char *ptr = lua_tolstring(L, -1, &len);
+ result.assign(ptr, len);
got = true;
}
lua_pop(L, 1);
return got;
}
+static std::string checkstringfield(lua_State *L, int table,
+ const char *fieldname)
+{
+ lua_getfield(L, table, fieldname);
+ std::string s = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ return s;
+}
+
static std::string getstringfield_default(lua_State *L, int table,
const char *fieldname, const std::string &default_)
{
return result;
}
-/*static float getfloatfield_default(lua_State *L, int table,
+static float getfloatfield_default(lua_State *L, int table,
const char *fieldname, float default_)
{
float result = default_;
getfloatfield(L, table, fieldname, result);
return result;
-}*/
+}
static bool getboolfield_default(lua_State *L, int table,
const char *fieldname, bool default_)
return result;
}
+static void setintfield(lua_State *L, int table,
+ const char *fieldname, int value)
+{
+ lua_pushinteger(L, value);
+ if(table < 0)
+ table -= 1;
+ lua_setfield(L, table, fieldname);
+}
+
static void setfloatfield(lua_State *L, int table,
const char *fieldname, float value)
{
lua_setfield(L, table, fieldname);
}
+static void setboolfield(lua_State *L, int table,
+ const char *fieldname, bool value)
+{
+ lua_pushboolean(L, value);
+ if(table < 0)
+ table -= 1;
+ lua_setfield(L, table, fieldname);
+}
+
static void warn_if_field_exists(lua_State *L, int table,
const char *fieldname, const std::string &message)
{
}
/*
- Inventory stuff
+ EnumString definitions
*/
-static void inventory_set_list_from_lua(Inventory *inv, const char *name,
- lua_State *L, int tableindex, IGameDef *gamedef, int forcesize=-1)
+struct EnumString es_ItemType[] =
{
- if(tableindex < 0)
- tableindex = lua_gettop(L) + 1 + tableindex;
- // If nil, delete list
- if(lua_isnil(L, tableindex)){
- inv->deleteList(name);
- return;
- }
- // Otherwise set list
- std::list<std::string> items;
- luaL_checktype(L, tableindex, LUA_TTABLE);
- int table = tableindex;
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- std::string itemstring = luaL_checkstring(L, -1);
- items.push_back(itemstring);
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- int listsize = (forcesize != -1) ? forcesize : items.size();
- InventoryList *invlist = inv->addList(name, listsize);
- int index = 0;
- for(std::list<std::string>::const_iterator
- i = items.begin(); i != items.end(); i++){
- if(forcesize != -1 && index == forcesize)
- break;
- const std::string &itemstring = *i;
- InventoryItem *newitem = NULL;
- if(itemstring != "")
- newitem = InventoryItem::deSerialize(itemstring,
- gamedef);
- InventoryItem *olditem = invlist->changeItem(index, newitem);
- delete olditem;
- index++;
- }
- while(forcesize != -1 && index < forcesize){
- InventoryItem *olditem = invlist->changeItem(index, NULL);
- delete olditem;
- index++;
- }
-}
+ {ITEM_NONE, "none"},
+ {ITEM_NODE, "node"},
+ {ITEM_CRAFT, "craft"},
+ {ITEM_TOOL, "tool"},
+ {0, NULL},
+};
-static void inventory_get_list_to_lua(Inventory *inv, const char *name,
- lua_State *L)
-{
- InventoryList *invlist = inv->getList(name);
- if(invlist == NULL){
- lua_pushnil(L);
- return;
- }
- // Get the table insert function
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Create and fill table
- lua_newtable(L);
- int table = lua_gettop(L);
- for(u32 i=0; i<invlist->getSize(); i++){
- InventoryItem *item = invlist->getItem(i);
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- if(item == NULL){
- lua_pushstring(L, "");
- } else {
- lua_pushstring(L, item->getItemString().c_str());
- }
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
-}
-
-static void push_stack_item(lua_State *L, InventoryItem *item0)
-{
- if(item0 == NULL){
- lua_pushnil(L);
- }
- if(std::string("MaterialItem") == item0->getName()){
- MaterialItem *item = (MaterialItem*)item0;
- lua_newtable(L);
- lua_pushstring(L, "NodeItem");
- lua_setfield(L, -2, "type");
- lua_pushstring(L, item->getNodeName().c_str());
- lua_setfield(L, -2, "name");
- }
- else if(std::string("CraftItem") == item0->getName()){
- CraftItem *item = (CraftItem*)item0;
- lua_newtable(L);
- lua_pushstring(L, "CraftItem");
- lua_setfield(L, -2, "type");
- lua_pushstring(L, item->getSubName().c_str());
- lua_setfield(L, -2, "name");
- }
- else if(std::string("ToolItem") == item0->getName()){
- ToolItem *item = (ToolItem*)item0;
- lua_newtable(L);
- lua_pushstring(L, "ToolItem");
- lua_setfield(L, -2, "type");
- lua_pushstring(L, item->getToolName().c_str());
- lua_setfield(L, -2, "name");
- lua_pushstring(L, itos(item->getWear()).c_str());
- lua_setfield(L, -2, "wear");
- }
- else{
- errorstream<<"push_stack_item: Unknown item name: \""
- <<item0->getName()<<"\""<<std::endl;
- lua_pushnil(L);
- }
-}
-
-static InventoryItem* check_stack_item(lua_State *L, int index)
-{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
- if(lua_isnil(L, index))
- return NULL;
- if(!lua_istable(L, index))
- throw LuaError(L, "check_stack_item: Item not nil or table");
- // A very crappy implementation for now
- // Will be replaced when unified namespace for items is made
- std::string type = getstringfield_default(L, index, "type", "");
- std::string name = getstringfield_default(L, index, "name", "");
- std::string num = getstringfield_default(L, index, "wear", "_");
- if(num == "_")
- num = 1;
- std::string itemstring = type + " \"" + name + "\" " + num;
- try{
- return InventoryItem::deSerialize(itemstring, get_server(L));
- }catch(SerializationError &e){
- throw LuaError(L, std::string("check_stack_item: "
- "internal error (itemstring=\"")+itemstring+"\")");
- }
-}
-
-/*
- ToolDiggingProperties
-*/
-
-static ToolDiggingProperties read_tool_digging_properties(
- lua_State *L, int table)
-{
- ToolDiggingProperties prop;
- getfloatfield(L, table, "full_punch_interval", prop.full_punch_interval);
- getfloatfield(L, table, "basetime", prop.basetime);
- getfloatfield(L, table, "dt_weight", prop.dt_weight);
- getfloatfield(L, table, "dt_crackiness", prop.dt_crackiness);
- getfloatfield(L, table, "dt_crumbliness", prop.dt_crumbliness);
- getfloatfield(L, table, "dt_cuttability", prop.dt_cuttability);
- getfloatfield(L, table, "basedurability", prop.basedurability);
- getfloatfield(L, table, "dd_weight", prop.dd_weight);
- getfloatfield(L, table, "dd_crackiness", prop.dd_crackiness);
- getfloatfield(L, table, "dd_crumbliness", prop.dd_crumbliness);
- getfloatfield(L, table, "dd_cuttability", prop.dd_cuttability);
- return prop;
-}
-
-static void set_tool_digging_properties(lua_State *L, int table,
- const ToolDiggingProperties &prop)
-{
- setfloatfield(L, table, "full_punch_interval", prop.full_punch_interval);
- setfloatfield(L, table, "basetime", prop.basetime);
- setfloatfield(L, table, "dt_weight", prop.dt_weight);
- setfloatfield(L, table, "dt_crackiness", prop.dt_crackiness);
- setfloatfield(L, table, "dt_crumbliness", prop.dt_crumbliness);
- setfloatfield(L, table, "dt_cuttability", prop.dt_cuttability);
- setfloatfield(L, table, "basedurability", prop.basedurability);
- setfloatfield(L, table, "dd_weight", prop.dd_weight);
- setfloatfield(L, table, "dd_crackiness", prop.dd_crackiness);
- setfloatfield(L, table, "dd_crumbliness", prop.dd_crumbliness);
- setfloatfield(L, table, "dd_cuttability", prop.dd_cuttability);
-}
-
-static void push_tool_digging_properties(lua_State *L,
- const ToolDiggingProperties &prop)
-{
- lua_newtable(L);
- set_tool_digging_properties(L, -1, prop);
-}
-
-/*
- ToolDefinition
-*/
-
-static ToolDefinition read_tool_definition(lua_State *L, int table)
-{
- ToolDefinition def;
- getstringfield(L, table, "image", def.imagename);
- def.properties = read_tool_digging_properties(L, table);
- return def;
-}
-
-static void push_tool_definition(lua_State *L, const ToolDefinition &def)
-{
- lua_newtable(L);
- lua_pushstring(L, def.imagename.c_str());
- lua_setfield(L, -2, "image");
- set_tool_digging_properties(L, -1, def.properties);
-}
-
-/*
- EnumString definitions
-*/
-
-struct EnumString es_DrawType[] =
+struct EnumString es_DrawType[] =
{
{NDT_NORMAL, "normal"},
{NDT_AIRLIKE, "airlike"},
{
{CPT_NONE, "none"},
{CPT_LIGHT, "light"},
- {CPT_MINERAL, "mineral"},
- {CPT_FACEDIR_SIMPLE, "facedir_simple"},
+ {0, NULL},
+};
+
+struct EnumString es_ContentParamType2[] =
+{
+ {CPT2_NONE, "none"},
+ {CPT2_FULL, "full"},
+ {CPT2_FLOWINGLIQUID, "flowingliquid"},
+ {CPT2_FACEDIR, "facedir"},
+ {CPT2_WALLMOUNTED, "wallmounted"},
{0, NULL},
};
{0, NULL},
};
-struct EnumString es_Diggability[] =
-{
- {DIGGABLE_NOT, "not"},
- {DIGGABLE_NORMAL, "normal"},
- {DIGGABLE_CONSTANT, "constant"},
- {0, NULL},
-};
-
/*
- Global functions
+ C struct <-> Lua table converter functions
*/
-static int l_register_nodedef_defaults(lua_State *L)
+static void push_v3f(lua_State *L, v3f p)
{
- luaL_checktype(L, 1, LUA_TTABLE);
-
- lua_pushvalue(L, 1); // Explicitly put parameter 1 on top of stack
- lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
-
- return 0;
+ lua_newtable(L);
+ lua_pushnumber(L, p.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, p.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, p.Z);
+ lua_setfield(L, -2, "z");
}
-// Register new object prototype
-// register_entity(name, prototype)
-static int l_register_entity(lua_State *L)
+static v2s16 read_v2s16(lua_State *L, int index)
{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_entity: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
-
- // Get minetest.registered_entities
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_entities");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_entities = lua_gettop(L);
- lua_pushvalue(L, 2); // Object = param 2 -> stack top
- // registered_entities[name] = object
- lua_setfield(L, registered_entities, name.c_str());
-
- // Get registered object to top of stack
- lua_pushvalue(L, 2);
-
- // Set __index to point to itself
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "__index");
-
- // Set metatable.__index = metatable
- luaL_getmetatable(L, "minetest.entity");
- lua_pushvalue(L, -1); // duplicate metatable
- lua_setfield(L, -2, "__index");
- // Set object metatable
- lua_setmetatable(L, -2);
-
- return 0; /* number of results */
+ v2s16 p;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ p.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ p.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return p;
}
-class LuaABM : public ActiveBlockModifier
-{
-private:
- lua_State *m_lua;
- int m_id;
-
- std::set<std::string> m_trigger_contents;
- std::set<std::string> m_required_neighbors;
- float m_trigger_interval;
- u32 m_trigger_chance;
-public:
- LuaABM(lua_State *L, int id,
- const std::set<std::string> &trigger_contents,
- const std::set<std::string> &required_neighbors,
- float trigger_interval, u32 trigger_chance):
- m_lua(L),
- m_id(id),
- m_trigger_contents(trigger_contents),
- m_required_neighbors(required_neighbors),
- m_trigger_interval(trigger_interval),
- m_trigger_chance(trigger_chance)
- {
- }
- virtual std::set<std::string> getTriggerContents()
- {
- return m_trigger_contents;
- }
- virtual std::set<std::string> getRequiredNeighbors()
- {
- return m_required_neighbors;
- }
- virtual float getTriggerInterval()
- {
- return m_trigger_interval;
- }
- virtual u32 getTriggerChance()
- {
- return m_trigger_chance;
- }
- virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
- u32 active_object_count, u32 active_object_count_wider)
- {
- lua_State *L = m_lua;
-
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_abms
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_abms");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_abms = lua_gettop(L);
-
- // Get minetest.registered_abms[m_id]
- lua_pushnumber(L, m_id);
- lua_gettable(L, registered_abms);
- if(lua_isnil(L, -1))
- assert(0);
-
- // Call action
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, "action");
- luaL_checktype(L, -1, LUA_TFUNCTION);
- pushpos(L, p);
- pushnode(L, n, env->getGameDef()->ndef());
- lua_pushnumber(L, active_object_count);
- lua_pushnumber(L, active_object_count_wider);
- if(lua_pcall(L, 4, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
-};
-
-// register_abm({...})
-static int l_register_abm(lua_State *L)
+static v2f read_v2f(lua_State *L, int index)
{
- //infostream<<"register_abm"<<std::endl;
- luaL_checktype(L, 1, LUA_TTABLE);
-
- // Get minetest.registered_abms
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_abms");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_abms = lua_gettop(L);
-
- int id = 1;
- // Find free id
- for(;;){
- lua_pushnumber(L, id);
- lua_gettable(L, registered_abms);
- if(lua_isnil(L, -1))
- break;
- lua_pop(L, 1);
- id++;
- }
+ v2f p;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ p.X = lua_tonumber(L, -1);
lua_pop(L, 1);
-
- infostream<<"register_abm: id="<<id<<std::endl;
-
- // registered_abms[id] = spec
- lua_pushnumber(L, id);
- lua_pushvalue(L, 1);
- lua_settable(L, registered_abms);
-
- return 0; /* number of results */
+ lua_getfield(L, index, "y");
+ p.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return p;
}
-// register_tool(name, {lots of stuff})
-static int l_register_tool(lua_State *L)
+static v3f read_v3f(lua_State *L, int index)
{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_tool: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int table = 2;
-
- // Get the writable tool definition manager from the server
- IWritableToolDefManager *tooldef =
- get_server(L)->getWritableToolDefManager();
-
- ToolDefinition def = read_tool_definition(L, table);
-
- tooldef->registerTool(name, def);
- return 0; /* number of results */
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "y");
+ pos.Y = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, index, "z");
+ pos.Z = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return pos;
}
-// register_craftitem(name, {lots of stuff})
-static int l_register_craftitem(lua_State *L)
+static v3f check_v3f(lua_State *L, int index)
{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_craftitem: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int table = 2;
-
- // Get the writable CraftItem definition manager from the server
- IWritableCraftItemDefManager *craftitemdef =
- get_server(L)->getWritableCraftItemDefManager();
-
- // Check if on_drop is defined
- lua_getfield(L, table, "on_drop");
- bool got_on_drop = !lua_isnil(L, -1);
+ v3f pos;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
+ pos.X = luaL_checknumber(L, -1);
lua_pop(L, 1);
-
- // Check if on_use is defined
- lua_getfield(L, table, "on_use");
- bool got_on_use = !lua_isnil(L, -1);
+ lua_getfield(L, index, "y");
+ pos.Y = luaL_checknumber(L, -1);
lua_pop(L, 1);
+ lua_getfield(L, index, "z");
+ pos.Z = luaL_checknumber(L, -1);
+ lua_pop(L, 1);
+ return pos;
+}
- CraftItemDefinition def;
-
- getstringfield(L, table, "image", def.imagename);
- getstringfield(L, table, "cookresult_itemstring", def.cookresult_item);
- getfloatfield(L, table, "furnace_cooktime", def.furnace_cooktime);
- getfloatfield(L, table, "furnace_burntime", def.furnace_burntime);
- def.usable = getboolfield_default(L, table, "usable", got_on_use);
- getboolfield(L, table, "liquids_pointable", def.liquids_pointable);
- def.dropcount = getintfield_default(L, table, "dropcount", def.dropcount);
- def.stack_max = getintfield_default(L, table, "stack_max", def.stack_max);
-
- // If an on_drop callback is defined, force dropcount to 1
- if (got_on_drop)
- def.dropcount = 1;
+static void pushFloatPos(lua_State *L, v3f p)
+{
+ p /= BS;
+ push_v3f(L, p);
+}
- // Register it
- craftitemdef->registerCraftItem(name, def);
+static v3f checkFloatPos(lua_State *L, int index)
+{
+ return check_v3f(L, index) * BS;
+}
- lua_pushvalue(L, table);
- scriptapi_add_craftitem(L, name.c_str());
+static void push_v3s16(lua_State *L, v3s16 p)
+{
+ lua_newtable(L);
+ lua_pushnumber(L, p.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, p.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, p.Z);
+ lua_setfield(L, -2, "z");
+}
- return 0; /* number of results */
+static v3s16 read_v3s16(lua_State *L, int index)
+{
+ // Correct rounding at <0
+ v3f pf = read_v3f(L, index);
+ return floatToInt(pf, 1.0);
}
-// register_node(name, {lots of stuff})
-static int l_register_node(lua_State *L)
+static v3s16 check_v3s16(lua_State *L, int index)
{
- std::string name = luaL_checkstring(L, 1);
- check_modname_prefix(L, name);
- //infostream<<"register_node: "<<name<<std::endl;
- luaL_checktype(L, 2, LUA_TTABLE);
- int nodedef_table = 2;
+ // Correct rounding at <0
+ v3f pf = check_v3f(L, index);
+ return floatToInt(pf, 1.0);
+}
- // Get the writable node definition manager from the server
- IWritableNodeDefManager *nodedef =
- get_server(L)->getWritableNodeDefManager();
-
- // Get default node definition from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
- int nodedef_default = lua_gettop(L);
+static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
+{
+ lua_newtable(L);
+ lua_pushstring(L, ndef->get(n).name.c_str());
+ lua_setfield(L, -2, "name");
+ lua_pushnumber(L, n.getParam1());
+ lua_setfield(L, -2, "param1");
+ lua_pushnumber(L, n.getParam2());
+ lua_setfield(L, -2, "param2");
+}
- /*
- Add to minetest.registered_nodes with default as metatable
- */
-
- // Get the node definition table given as parameter
- lua_pushvalue(L, nodedef_table);
+static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
+{
+ lua_getfield(L, index, "name");
+ const char *name = luaL_checkstring(L, -1);
+ lua_pop(L, 1);
+ u8 param1;
+ lua_getfield(L, index, "param1");
+ if(lua_isnil(L, -1))
+ param1 = 0;
+ else
+ param1 = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ u8 param2;
+ lua_getfield(L, index, "param2");
+ if(lua_isnil(L, -1))
+ param2 = 0;
+ else
+ param2 = lua_tonumber(L, -1);
+ lua_pop(L, 1);
+ return MapNode(ndef, name, param1, param2);
+}
- // Set __index to point to itself
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "__index");
+static video::SColor readARGB8(lua_State *L, int index)
+{
+ video::SColor color;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "a");
+ if(lua_isnumber(L, -1))
+ color.setAlpha(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "r");
+ color.setRed(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "g");
+ color.setGreen(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ lua_getfield(L, index, "b");
+ color.setBlue(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ return color;
+}
- // Set nodedef_default as metatable for the definition
- lua_pushvalue(L, nodedef_default);
- lua_setmetatable(L, nodedef_table);
-
- // minetest.registered_nodes[name] = nodedef
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_nodes");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushstring(L, name.c_str());
- lua_pushvalue(L, nodedef_table);
- lua_settable(L, -3);
+static core::aabbox3d<f32> read_aabbox3df32(lua_State *L, int index, f32 scale)
+{
+ core::aabbox3d<f32> box;
+ if(lua_istable(L, -1)){
+ lua_rawgeti(L, -1, 1);
+ box.MinEdge.X = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 2);
+ box.MinEdge.Y = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 3);
+ box.MinEdge.Z = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 4);
+ box.MaxEdge.X = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 5);
+ box.MaxEdge.Y = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 6);
+ box.MaxEdge.Z = lua_tonumber(L, -1) * scale;
+ lua_pop(L, 1);
+ }
+ return box;
+}
- /*
- Create definition
- */
-
- ContentFeatures f;
+#if 0
+/*
+ MaterialProperties
+*/
- // Default to getting the corresponding NodeItem when dug
- f.dug_item = std::string("NodeItem \"")+name+"\" 1";
-
- // Default to unknown_block.png as all textures
- f.setAllTextures("unknown_block.png");
+static MaterialProperties read_material_properties(
+ lua_State *L, int table)
+{
+ MaterialProperties prop;
+ prop.diggability = (Diggability)getenumfield(L, -1, "diggability",
+ es_Diggability, DIGGABLE_NORMAL);
+ getfloatfield(L, -1, "constant_time", prop.constant_time);
+ getfloatfield(L, -1, "weight", prop.weight);
+ getfloatfield(L, -1, "crackiness", prop.crackiness);
+ getfloatfield(L, -1, "crumbliness", prop.crumbliness);
+ getfloatfield(L, -1, "cuttability", prop.cuttability);
+ getfloatfield(L, -1, "flammability", prop.flammability);
+ return prop;
+}
+#endif
- /*
- Read definiton from Lua
- */
+/*
+ Groups
+*/
+static void read_groups(lua_State *L, int index,
+ std::map<std::string, int> &result)
+{
+ result.clear();
+ lua_pushnil(L);
+ if(index < 0)
+ index -= 1;
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ std::string name = luaL_checkstring(L, -2);
+ int rating = luaL_checkinteger(L, -1);
+ result[name] = rating;
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+}
- f.name = name;
-
- /* Visual definition */
+/*
+ Privileges
+*/
+static void read_privileges(lua_State *L, int index,
+ std::set<std::string> &result)
+{
+ result.clear();
+ lua_pushnil(L);
+ if(index < 0)
+ index -= 1;
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ std::string key = luaL_checkstring(L, -2);
+ bool value = lua_toboolean(L, -1);
+ if(value)
+ result.insert(key);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+}
- f.drawtype = (NodeDrawType)getenumfield(L, nodedef_table, "drawtype", es_DrawType,
- NDT_NORMAL);
- getfloatfield(L, nodedef_table, "visual_scale", f.visual_scale);
+/*
+ ToolCapabilities
+*/
- lua_getfield(L, nodedef_table, "tile_images");
+static ToolCapabilities read_tool_capabilities(
+ lua_State *L, int table)
+{
+ ToolCapabilities toolcap;
+ getfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval);
+ getintfield(L, table, "max_drop_level", toolcap.max_drop_level);
+ lua_getfield(L, table, "groupcaps");
if(lua_istable(L, -1)){
- int table = lua_gettop(L);
+ int table_groupcaps = lua_gettop(L);
lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
+ while(lua_next(L, table_groupcaps) != 0){
// key at index -2 and value at index -1
- if(lua_isstring(L, -1))
- f.tname_tiles[i] = lua_tostring(L, -1);
- else
- f.tname_tiles[i] = "";
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- i++;
- if(i==6){
+ std::string groupname = luaL_checkstring(L, -2);
+ if(lua_istable(L, -1)){
+ int table_groupcap = lua_gettop(L);
+ // This will be created
+ ToolGroupCap groupcap;
+ // Read simple parameters
+ getintfield(L, table_groupcap, "maxlevel", groupcap.maxlevel);
+ getintfield(L, table_groupcap, "uses", groupcap.uses);
+ // DEPRECATED: maxwear
+ float maxwear = 0;
+ if(getfloatfield(L, table_groupcap, "maxwear", maxwear)){
+ if(maxwear != 0)
+ groupcap.uses = 1.0/maxwear;
+ else
+ groupcap.uses = 0;
+ infostream<<script_get_backtrace(L)<<std::endl;
+ infostream<<"WARNING: field \"maxwear\" is deprecated; "
+ <<"should replace with uses=1/maxwear"<<std::endl;
+ }
+ // Read "times" table
+ lua_getfield(L, table_groupcap, "times");
+ if(lua_istable(L, -1)){
+ int table_times = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table_times) != 0){
+ // key at index -2 and value at index -1
+ int rating = luaL_checkinteger(L, -2);
+ float time = luaL_checknumber(L, -1);
+ groupcap.times[rating] = time;
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
lua_pop(L, 1);
- break;
- }
- }
- // Copy last value to all remaining textures
- if(i >= 1){
- std::string lastname = f.tname_tiles[i-1];
- while(i < 6){
- f.tname_tiles[i] = lastname;
- i++;
+ // Insert groupcap into toolcap
+ toolcap.groupcaps[groupname] = groupcap;
}
- }
- }
- lua_pop(L, 1);
-
- getstringfield(L, nodedef_table, "inventory_image", f.tname_inventory);
-
- lua_getfield(L, nodedef_table, "special_materials");
- if(lua_istable(L, -1)){
- int table = lua_gettop(L);
- lua_pushnil(L);
- int i = 0;
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- int smtable = lua_gettop(L);
- std::string tname = getstringfield_default(
- L, smtable, "image", "");
- bool backface_culling = getboolfield_default(
- L, smtable, "backface_culling", true);
- MaterialSpec mspec(tname, backface_culling);
- f.setSpecialMaterial(i, mspec);
// removes value, keeps key for next iteration
lua_pop(L, 1);
- i++;
- if(i==6){
- lua_pop(L, 1);
- break;
- }
}
}
lua_pop(L, 1);
+ return toolcap;
+}
- f.alpha = getintfield_default(L, nodedef_table, "alpha", 255);
-
- /* Other stuff */
-
- lua_getfield(L, nodedef_table, "post_effect_color");
- if(!lua_isnil(L, -1))
- f.post_effect_color = readARGB8(L, -1);
- lua_pop(L, 1);
-
- f.param_type = (ContentParamType)getenumfield(L, nodedef_table, "paramtype",
- es_ContentParamType, CPT_NONE);
-
- // True for all ground-like things like stone and mud, false for eg. trees
- getboolfield(L, nodedef_table, "is_ground_content", f.is_ground_content);
- f.light_propagates = (f.param_type == CPT_LIGHT);
- warn_if_field_exists(L, nodedef_table, "light_propagates",
- "deprecated: determined from paramtype");
- getboolfield(L, nodedef_table, "sunlight_propagates", f.sunlight_propagates);
- // This is used for collision detection.
- // Also for general solidness queries.
- getboolfield(L, nodedef_table, "walkable", f.walkable);
- // Player can point to these
- getboolfield(L, nodedef_table, "pointable", f.pointable);
- // Player can dig these
- getboolfield(L, nodedef_table, "diggable", f.diggable);
- // Player can climb these
- getboolfield(L, nodedef_table, "climbable", f.climbable);
- // Player can build on these
- getboolfield(L, nodedef_table, "buildable_to", f.buildable_to);
- // If true, param2 is set to direction when placed. Used for torches.
- // NOTE: the direction format is quite inefficient and should be changed
- getboolfield(L, nodedef_table, "wall_mounted", f.wall_mounted);
- // Whether this content type often contains mineral.
- // Used for texture atlas creation.
- // Currently only enabled for CONTENT_STONE.
- getboolfield(L, nodedef_table, "often_contains_mineral", f.often_contains_mineral);
- // Inventory item string as which the node appears in inventory when dug.
- // Mineral overrides this.
- getstringfield(L, nodedef_table, "dug_item", f.dug_item);
- // Extra dug item and its rarity
- getstringfield(L, nodedef_table, "extra_dug_item", f.extra_dug_item);
- // Usual get interval for extra dug item
- getintfield(L, nodedef_table, "extra_dug_item_rarity", f.extra_dug_item_rarity);
- // Metadata name of node (eg. "furnace")
- getstringfield(L, nodedef_table, "metadata_name", f.metadata_name);
- // Whether the node is non-liquid, source liquid or flowing liquid
- f.liquid_type = (LiquidType)getenumfield(L, nodedef_table, "liquidtype",
- es_LiquidType, LIQUID_NONE);
- // If the content is liquid, this is the flowing version of the liquid.
- getstringfield(L, nodedef_table, "liquid_alternative_flowing",
- f.liquid_alternative_flowing);
- // If the content is liquid, this is the source version of the liquid.
- getstringfield(L, nodedef_table, "liquid_alternative_source",
- f.liquid_alternative_source);
- // Viscosity for fluid flow, ranging from 1 to 7, with
- // 1 giving almost instantaneous propagation and 7 being
- // the slowest possible
- f.liquid_viscosity = getintfield_default(L, nodedef_table,
- "liquid_viscosity", f.liquid_viscosity);
- // Amount of light the node emits
- f.light_source = getintfield_default(L, nodedef_table,
- "light_source", f.light_source);
- f.damage_per_second = getintfield_default(L, nodedef_table,
- "damage_per_second", f.damage_per_second);
-
- lua_getfield(L, nodedef_table, "selection_box");
- if(lua_istable(L, -1)){
- f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
- es_NodeBoxType, NODEBOX_REGULAR);
+static void set_tool_capabilities(lua_State *L, int table,
+ const ToolCapabilities &toolcap)
+{
+ setfloatfield(L, table, "full_punch_interval", toolcap.full_punch_interval);
+ setintfield(L, table, "max_drop_level", toolcap.max_drop_level);
+ // Create groupcaps table
+ lua_newtable(L);
+ // For each groupcap
+ for(std::map<std::string, ToolGroupCap>::const_iterator
+ i = toolcap.groupcaps.begin(); i != toolcap.groupcaps.end(); i++){
+ // Create groupcap table
+ lua_newtable(L);
+ const std::string &name = i->first;
+ const ToolGroupCap &groupcap = i->second;
+ // Create subtable "times"
+ lua_newtable(L);
+ for(std::map<int, float>::const_iterator
+ i = groupcap.times.begin(); i != groupcap.times.end(); i++){
+ int rating = i->first;
+ float time = i->second;
+ lua_pushinteger(L, rating);
+ lua_pushnumber(L, time);
+ lua_settable(L, -3);
+ }
+ // Set subtable "times"
+ lua_setfield(L, -2, "times");
+ // Set simple parameters
+ setintfield(L, -1, "maxlevel", groupcap.maxlevel);
+ setintfield(L, -1, "uses", groupcap.uses);
+ // Insert groupcap table into groupcaps table
+ lua_setfield(L, -2, name.c_str());
+ }
+ // Set groupcaps table
+ lua_setfield(L, -2, "groupcaps");
+}
- lua_getfield(L, -1, "fixed");
- if(lua_istable(L, -1))
- f.selection_box.fixed = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
+static void push_tool_capabilities(lua_State *L,
+ const ToolCapabilities &prop)
+{
+ lua_newtable(L);
+ set_tool_capabilities(L, -1, prop);
+}
- lua_getfield(L, -1, "wall_top");
- if(lua_istable(L, -1))
- f.selection_box.wall_top = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
+/*
+ DigParams
+*/
- lua_getfield(L, -1, "wall_bottom");
- if(lua_istable(L, -1))
- f.selection_box.wall_bottom = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
+static void set_dig_params(lua_State *L, int table,
+ const DigParams ¶ms)
+{
+ setboolfield(L, table, "diggable", params.diggable);
+ setfloatfield(L, table, "time", params.time);
+ setintfield(L, table, "wear", params.wear);
+}
- lua_getfield(L, -1, "wall_side");
- if(lua_istable(L, -1))
- f.selection_box.wall_side = read_aabbox3df32(L, -1, BS);
- lua_pop(L, 1);
- }
- lua_pop(L, 1);
+static void push_dig_params(lua_State *L,
+ const DigParams ¶ms)
+{
+ lua_newtable(L);
+ set_dig_params(L, -1, params);
+}
- lua_getfield(L, nodedef_table, "material");
- if(lua_istable(L, -1)){
- f.material.diggability = (Diggability)getenumfield(L, -1, "diggability",
- es_Diggability, DIGGABLE_NORMAL);
-
- getfloatfield(L, -1, "constant_time", f.material.constant_time);
- getfloatfield(L, -1, "weight", f.material.weight);
- getfloatfield(L, -1, "crackiness", f.material.crackiness);
- getfloatfield(L, -1, "crumbliness", f.material.crumbliness);
- getfloatfield(L, -1, "cuttability", f.material.cuttability);
- getfloatfield(L, -1, "flammability", f.material.flammability);
- }
- lua_pop(L, 1);
+/*
+ HitParams
+*/
- getstringfield(L, nodedef_table, "cookresult_itemstring", f.cookresult_item);
- getfloatfield(L, nodedef_table, "furnace_cooktime", f.furnace_cooktime);
- getfloatfield(L, nodedef_table, "furnace_burntime", f.furnace_burntime);
-
- /*
- Register it
- */
-
- nodedef->set(name, f);
-
- return 0; /* number of results */
+static void set_hit_params(lua_State *L, int table,
+ const HitParams ¶ms)
+{
+ setintfield(L, table, "hp", params.hp);
+ setintfield(L, table, "wear", params.wear);
}
-// alias_node(name, convert_to_name)
-static int l_alias_node(lua_State *L)
+static void push_hit_params(lua_State *L,
+ const HitParams ¶ms)
{
- std::string name = luaL_checkstring(L, 1);
- std::string convert_to = luaL_checkstring(L, 2);
-
- // Get the writable node definition manager from the server
- IWritableNodeDefManager *nodedef =
- get_server(L)->getWritableNodeDefManager();
-
- nodedef->setAlias(name, convert_to);
-
- return 0; /* number of results */
+ lua_newtable(L);
+ set_hit_params(L, -1, params);
}
-// alias_tool(name, convert_to_name)
-static int l_alias_tool(lua_State *L)
+/*
+ PointedThing
+*/
+
+static void push_pointed_thing(lua_State *L, const PointedThing& pointed)
{
- std::string name = luaL_checkstring(L, 1);
- std::string convert_to = luaL_checkstring(L, 2);
+ lua_newtable(L);
+ if(pointed.type == POINTEDTHING_NODE)
+ {
+ lua_pushstring(L, "node");
+ lua_setfield(L, -2, "type");
+ push_v3s16(L, pointed.node_undersurface);
+ lua_setfield(L, -2, "under");
+ push_v3s16(L, pointed.node_abovesurface);
+ lua_setfield(L, -2, "above");
+ }
+ else if(pointed.type == POINTEDTHING_OBJECT)
+ {
+ lua_pushstring(L, "object");
+ lua_setfield(L, -2, "type");
+ objectref_get(L, pointed.object_id);
+ lua_setfield(L, -2, "ref");
+ }
+ else
+ {
+ lua_pushstring(L, "nothing");
+ lua_setfield(L, -2, "type");
+ }
+}
- // Get the writable tool definition manager from the server
- IWritableToolDefManager *tooldef =
- get_server(L)->getWritableToolDefManager();
-
- tooldef->setAlias(name, convert_to);
+/*
+ SimpleSoundSpec
+*/
- return 0; /* number of results */
+static void read_soundspec(lua_State *L, int index, SimpleSoundSpec &spec)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ if(lua_isnil(L, index)){
+ } else if(lua_istable(L, index)){
+ getstringfield(L, index, "name", spec.name);
+ getfloatfield(L, index, "gain", spec.gain);
+ } else if(lua_isstring(L, index)){
+ spec.name = lua_tostring(L, index);
+ }
}
-// alias_craftitem(name, convert_to_name)
-static int l_alias_craftitem(lua_State *L)
+/*
+ ObjectProperties
+*/
+
+static void read_object_properties(lua_State *L, int index,
+ ObjectProperties *prop)
{
- std::string name = luaL_checkstring(L, 1);
- std::string convert_to = luaL_checkstring(L, 2);
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ if(!lua_istable(L, index))
+ return;
- // Get the writable CraftItem definition manager from the server
- IWritableCraftItemDefManager *craftitemdef =
- get_server(L)->getWritableCraftItemDefManager();
-
- craftitemdef->setAlias(name, convert_to);
+ prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
- return 0; /* number of results */
-}
+ getboolfield(L, -1, "physical", prop->physical);
-// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
-static int l_register_craft(lua_State *L)
-{
- //infostream<<"register_craft"<<std::endl;
- luaL_checktype(L, 1, LUA_TTABLE);
- int table0 = 1;
+ getfloatfield(L, -1, "weight", prop->weight);
- // Get the writable craft definition manager from the server
- IWritableCraftDefManager *craftdef =
- get_server(L)->getWritableCraftDefManager();
-
- std::string output;
- int width = 0;
- std::vector<std::string> input;
+ lua_getfield(L, -1, "collisionbox");
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
+ lua_pop(L, 1);
- lua_getfield(L, table0, "output");
- luaL_checktype(L, -1, LUA_TSTRING);
- if(lua_isstring(L, -1))
- output = lua_tostring(L, -1);
+ getstringfield(L, -1, "visual", prop->visual);
+
+ lua_getfield(L, -1, "visual_size");
+ if(lua_istable(L, -1))
+ prop->visual_size = read_v2f(L, -1);
lua_pop(L, 1);
- lua_getfield(L, table0, "recipe");
- luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, "textures");
if(lua_istable(L, -1)){
- int table1 = lua_gettop(L);
+ prop->textures.clear();
+ int table = lua_gettop(L);
lua_pushnil(L);
- int rowcount = 0;
- while(lua_next(L, table1) != 0){
- int colcount = 0;
+ while(lua_next(L, table) != 0){
// key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TTABLE);
- if(lua_istable(L, -1)){
- int table2 = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table2) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TSTRING);
- input.push_back(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- colcount++;
- }
- }
- if(rowcount == 0){
- width = colcount;
- } else {
- if(colcount != width){
- std::string error;
- error += "Invalid crafting recipe (output=\""
- + output + "\")";
- throw LuaError(L, error);
- }
- }
+ if(lua_isstring(L, -1))
+ prop->textures.push_back(lua_tostring(L, -1));
+ else
+ prop->textures.push_back("");
// removes value, keeps key for next iteration
lua_pop(L, 1);
- rowcount++;
}
}
lua_pop(L, 1);
+
+ lua_getfield(L, -1, "spritediv");
+ if(lua_istable(L, -1))
+ prop->spritediv = read_v2s16(L, -1);
+ lua_pop(L, 1);
- CraftDefinition def(output, width, input);
- craftdef->registerCraft(def);
-
- return 0; /* number of results */
+ lua_getfield(L, -1, "initial_sprite_basepos");
+ if(lua_istable(L, -1))
+ prop->initial_sprite_basepos = read_v2s16(L, -1);
+ lua_pop(L, 1);
+
+ getboolfield(L, -1, "is_visible", prop->is_visible);
+ getboolfield(L, -1, "makes_footstep_sound", prop->makes_footstep_sound);
+ getfloatfield(L, -1, "automatic_rotate", prop->automatic_rotate);
}
-// setting_get(name)
-static int l_setting_get(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- try{
- std::string value = g_settings->get(name);
- lua_pushstring(L, value.c_str());
- } catch(SettingNotFoundException &e){
- lua_pushnil(L);
- }
- return 1;
-}
+/*
+ ItemDefinition
+*/
-// setting_getbool(name)
-static int l_setting_getbool(lua_State *L)
+static ItemDefinition read_item_definition(lua_State *L, int index)
{
- const char *name = luaL_checkstring(L, 1);
- try{
- bool value = g_settings->getBool(name);
- lua_pushboolean(L, value);
- } catch(SettingNotFoundException &e){
- lua_pushnil(L);
- }
- return 1;
-}
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
-// chat_send_all(text)
-static int l_chat_send_all(lua_State *L)
-{
- const char *text = luaL_checkstring(L, 1);
- // Get server from registry
- Server *server = get_server(L);
- // Send
- server->notifyPlayers(narrow_to_wide(text));
- return 0;
-}
+ // Read the item definition
+ ItemDefinition def;
-// chat_send_player(name, text)
-static int l_chat_send_player(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- const char *text = luaL_checkstring(L, 2);
- // Get server from registry
- Server *server = get_server(L);
- // Send
- server->notifyPlayer(name, narrow_to_wide(text));
- return 0;
-}
+ def.type = (ItemType)getenumfield(L, index, "type",
+ es_ItemType, ITEM_NONE);
+ getstringfield(L, index, "name", def.name);
+ getstringfield(L, index, "description", def.description);
+ getstringfield(L, index, "inventory_image", def.inventory_image);
+ getstringfield(L, index, "wield_image", def.wield_image);
-// get_player_privs(name, text)
-static int l_get_player_privs(lua_State *L)
-{
- const char *name = luaL_checkstring(L, 1);
- // Get server from registry
- Server *server = get_server(L);
- // Do it
- lua_newtable(L);
- int table = lua_gettop(L);
- u64 privs_i = server->getPlayerAuthPrivs(name);
- // Special case for the "name" setting (local player / server owner)
- if(name == g_settings->get("name"))
- privs_i = PRIV_ALL;
- std::set<std::string> privs_s = privsToSet(privs_i);
- for(std::set<std::string>::const_iterator
- i = privs_s.begin(); i != privs_s.end(); i++){
- lua_pushboolean(L, true);
- lua_setfield(L, table, i->c_str());
+ lua_getfield(L, index, "wield_scale");
+ if(lua_istable(L, -1)){
+ def.wield_scale = check_v3f(L, -1);
}
- lua_pushvalue(L, table);
- return 1;
-}
+ lua_pop(L, 1);
-// get_modpath(modname)
-static int l_get_modpath(lua_State *L)
-{
- const char *modname = luaL_checkstring(L, 1);
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // Do it
- const ModSpec *mod = server->getModSpec(modname);
- if(!mod){
- lua_pushnil(L);
- return 1;
- }
- lua_pushstring(L, mod->path.c_str());
- return 1;
-}
+ def.stack_max = getintfield_default(L, index, "stack_max", def.stack_max);
+ if(def.stack_max == 0)
+ def.stack_max = 1;
-static const struct luaL_Reg minetest_f [] = {
- {"register_nodedef_defaults", l_register_nodedef_defaults},
- {"register_entity", l_register_entity},
- {"register_tool", l_register_tool},
- {"register_craftitem", l_register_craftitem},
- {"register_node", l_register_node},
- {"register_craft", l_register_craft},
- {"register_abm", l_register_abm},
- {"alias_node", l_alias_node},
- {"alias_tool", l_alias_tool},
- {"alias_craftitem", l_alias_craftitem},
- {"setting_get", l_setting_get},
- {"setting_getbool", l_setting_getbool},
- {"chat_send_all", l_chat_send_all},
- {"chat_send_player", l_chat_send_player},
- {"get_player_privs", l_get_player_privs},
- {"get_modpath", l_get_modpath},
- {NULL, NULL}
-};
+ lua_getfield(L, index, "on_use");
+ def.usable = lua_isfunction(L, -1);
+ lua_pop(L, 1);
-/*
- LuaEntity functions
-*/
+ getboolfield(L, index, "liquids_pointable", def.liquids_pointable);
-static const struct luaL_Reg minetest_entity_m [] = {
- {NULL, NULL}
-};
+ warn_if_field_exists(L, index, "tool_digging_properties",
+ "deprecated: use tool_capabilities");
+
+ lua_getfield(L, index, "tool_capabilities");
+ if(lua_istable(L, -1)){
+ def.tool_capabilities = new ToolCapabilities(
+ read_tool_capabilities(L, -1));
+ }
-/*
- Getters for stuff in main tables
-*/
+ // If name is "" (hand), ensure there are ToolCapabilities
+ // because it will be looked up there whenever any other item has
+ // no ToolCapabilities
+ if(def.name == "" && def.tool_capabilities == NULL){
+ def.tool_capabilities = new ToolCapabilities();
+ }
-static void objectref_get(lua_State *L, u16 id)
-{
- // Get minetest.object_refs[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // object_refs
- lua_remove(L, -2); // minetest
-}
+ lua_getfield(L, index, "groups");
+ read_groups(L, -1, def.groups);
+ lua_pop(L, 1);
-static void luaentity_get(lua_State *L, u16 id)
-{
- // Get minetest.luaentities[i]
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "luaentities");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushnumber(L, id);
- lua_gettable(L, -2);
- lua_remove(L, -2); // luaentities
- lua_remove(L, -2); // minetest
+ return def;
}
/*
- Object wrappers
-*/
-
-#define method(class, name) {#name, class::l_##name}
-
-/*
- InvStack
+ ContentFeatures
*/
-class InvStack
+static ContentFeatures read_content_features(lua_State *L, int index)
{
-private:
- InventoryItem *m_stack;
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
- static const char className[];
- static const luaL_reg methods[];
+ ContentFeatures f;
+ /* Name */
+ getstringfield(L, index, "name", f.name);
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- InvStack *o = *(InvStack **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
+ /* Groups */
+ lua_getfield(L, index, "groups");
+ read_groups(L, -1, f.groups);
+ lua_pop(L, 1);
- // take_item(self)
- static int l_take_item(lua_State *L)
- {
- InvStack *o = checkobject(L, 1);
- push_stack_item(L, o->m_stack);
- if(o->m_stack->getCount() == 1){
- delete o->m_stack;
- o->m_stack = NULL;
- } else {
- o->m_stack->remove(1);
- }
- return 1;
- }
+ /* Visual definition */
- // put_item(self, item) -> true/false
- static int l_put_item(lua_State *L)
- {
- InvStack *o = checkobject(L, 1);
- InventoryItem *item = check_stack_item(L, 2);
- if(!item){ // nil can always be inserted
- lua_pushboolean(L, true);
- return 1;
+ f.drawtype = (NodeDrawType)getenumfield(L, index, "drawtype", es_DrawType,
+ NDT_NORMAL);
+ getfloatfield(L, index, "visual_scale", f.visual_scale);
+
+ lua_getfield(L, index, "tile_images");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ f.tname_tiles[i] = lua_tostring(L, -1);
+ else
+ f.tname_tiles[i] = "";
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
}
- if(!item->addableTo(o->m_stack)){
- lua_pushboolean(L, false);
- return 1;
+ // Copy last value to all remaining textures
+ if(i >= 1){
+ std::string lastname = f.tname_tiles[i-1];
+ while(i < 6){
+ f.tname_tiles[i] = lastname;
+ i++;
+ }
}
- o->m_stack->add(1);
- delete item;
- lua_pushboolean(L, true);
- return 1;
}
+ lua_pop(L, 1);
-public:
- InvStack(InventoryItem *item=NULL):
- m_stack(item)
- {
+ lua_getfield(L, index, "special_materials");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int smtable = lua_gettop(L);
+ std::string tname = getstringfield_default(
+ L, smtable, "image", "");
+ bool backface_culling = getboolfield_default(
+ L, smtable, "backface_culling", true);
+ MaterialSpec mspec(tname, backface_culling);
+ f.mspec_special[i] = mspec;
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
}
+ lua_pop(L, 1);
- ~InvStack()
- {
- delete m_stack;
- }
+ f.alpha = getintfield_default(L, index, "alpha", 255);
- static InvStack* checkobject(lua_State *L, int narg)
- {
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(InvStack**)ud; // unbox pointer
- }
+ /* Other stuff */
+
+ lua_getfield(L, index, "post_effect_color");
+ if(!lua_isnil(L, -1))
+ f.post_effect_color = readARGB8(L, -1);
+ lua_pop(L, 1);
- InventoryItem* getItemCopy()
- {
- if(!m_stack)
- return NULL;
- return m_stack->clone();
- }
+ f.param_type = (ContentParamType)getenumfield(L, index, "paramtype",
+ es_ContentParamType, CPT_NONE);
+ f.param_type_2 = (ContentParamType2)getenumfield(L, index, "paramtype2",
+ es_ContentParamType2, CPT2_NONE);
+
+ // Warn about some deprecated fields
+ warn_if_field_exists(L, index, "wall_mounted",
+ "deprecated: use paramtype2 = 'wallmounted'");
+ warn_if_field_exists(L, index, "light_propagates",
+ "deprecated: determined from paramtype");
+ warn_if_field_exists(L, index, "dug_item",
+ "deprecated: use 'drop' field");
+ warn_if_field_exists(L, index, "extra_dug_item",
+ "deprecated: use 'drop' field");
+ warn_if_field_exists(L, index, "extra_dug_item_rarity",
+ "deprecated: use 'drop' field");
+ warn_if_field_exists(L, index, "metadata_name",
+ "deprecated: use on_add and metadata callbacks");
- // Creates an InvStack and leaves it on top of stack
- static int create_object(lua_State *L)
- {
- InventoryItem *item = NULL;
- if(lua_isstring(L, 1)){
- std::string itemstring = lua_tostring(L, 1);
- if(itemstring != ""){
- try{
- IGameDef *gdef = get_server(L);
- item = InventoryItem::deSerialize(itemstring, gdef);
- }catch(SerializationError &e){
- }
- }
- }
- InvStack *o = new InvStack(item);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
+ // True for all ground-like things like stone and mud, false for eg. trees
+ getboolfield(L, index, "is_ground_content", f.is_ground_content);
+ f.light_propagates = (f.param_type == CPT_LIGHT);
+ getboolfield(L, index, "sunlight_propagates", f.sunlight_propagates);
+ // This is used for collision detection.
+ // Also for general solidness queries.
+ getboolfield(L, index, "walkable", f.walkable);
+ // Player can point to these
+ getboolfield(L, index, "pointable", f.pointable);
+ // Player can dig these
+ getboolfield(L, index, "diggable", f.diggable);
+ // Player can climb these
+ getboolfield(L, index, "climbable", f.climbable);
+ // Player can build on these
+ getboolfield(L, index, "buildable_to", f.buildable_to);
+ // Whether the node is non-liquid, source liquid or flowing liquid
+ f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
+ es_LiquidType, LIQUID_NONE);
+ // If the content is liquid, this is the flowing version of the liquid.
+ getstringfield(L, index, "liquid_alternative_flowing",
+ f.liquid_alternative_flowing);
+ // If the content is liquid, this is the source version of the liquid.
+ getstringfield(L, index, "liquid_alternative_source",
+ f.liquid_alternative_source);
+ // Viscosity for fluid flow, ranging from 1 to 7, with
+ // 1 giving almost instantaneous propagation and 7 being
+ // the slowest possible
+ f.liquid_viscosity = getintfield_default(L, index,
+ "liquid_viscosity", f.liquid_viscosity);
+ // Amount of light the node emits
+ f.light_source = getintfield_default(L, index,
+ "light_source", f.light_source);
+ f.damage_per_second = getintfield_default(L, index,
+ "damage_per_second", f.damage_per_second);
+
+ lua_getfield(L, index, "selection_box");
+ if(lua_istable(L, -1)){
+ f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
+ es_NodeBoxType, NODEBOX_REGULAR);
+
+ lua_getfield(L, -1, "fixed");
+ if(lua_istable(L, -1))
+ f.selection_box.fixed = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_top");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_top = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_bottom");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_bottom = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_side");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_side = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
}
- // Not callable from Lua
- static int create(lua_State *L, InventoryItem *item)
- {
- InvStack *o = new InvStack(item);
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- return 1;
+ lua_pop(L, 1);
+
+ // Set to true if paramtype used to be 'facedir_simple'
+ getboolfield(L, index, "legacy_facedir_simple", f.legacy_facedir_simple);
+ // Set to true if wall_mounted used to be set to true
+ getboolfield(L, index, "legacy_wallmounted", f.legacy_wallmounted);
+
+ // Sound table
+ lua_getfield(L, index, "sounds");
+ if(lua_istable(L, -1)){
+ lua_getfield(L, -1, "footstep");
+ read_soundspec(L, -1, f.sound_footstep);
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "dig");
+ read_soundspec(L, -1, f.sound_dig);
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "dug");
+ read_soundspec(L, -1, f.sound_dug);
+ lua_pop(L, 1);
}
+ lua_pop(L, 1);
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
+ return f;
+}
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+/*
+ Inventory stuff
+*/
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
+static ItemStack read_item(lua_State *L, int index);
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
+static void inventory_set_list_from_lua(Inventory *inv, const char *name,
+ lua_State *L, int tableindex, int forcesize=-1)
+{
+ if(tableindex < 0)
+ tableindex = lua_gettop(L) + 1 + tableindex;
+ // If nil, delete list
+ if(lua_isnil(L, tableindex)){
+ inv->deleteList(name);
+ return;
+ }
+ // Otherwise set list
+ std::vector<ItemStack> items;
+ luaL_checktype(L, tableindex, LUA_TTABLE);
+ lua_pushnil(L);
+ while(lua_next(L, tableindex) != 0){
+ // key at index -2 and value at index -1
+ items.push_back(read_item(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ int listsize = (forcesize != -1) ? forcesize : items.size();
+ InventoryList *invlist = inv->addList(name, listsize);
+ int index = 0;
+ for(std::vector<ItemStack>::const_iterator
+ i = items.begin(); i != items.end(); i++){
+ if(forcesize != -1 && index == forcesize)
+ break;
+ invlist->changeItem(index, *i);
+ index++;
+ }
+ while(forcesize != -1 && index < forcesize){
+ invlist->deleteItem(index);
+ index++;
+ }
+}
- lua_pop(L, 1); // drop metatable
+static void inventory_get_list_to_lua(Inventory *inv, const char *name,
+ lua_State *L)
+{
+ InventoryList *invlist = inv->getList(name);
+ if(invlist == NULL){
+ lua_pushnil(L);
+ return;
+ }
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ // Create and fill table
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(u32 i=0; i<invlist->getSize(); i++){
+ ItemStack item = invlist->getItem(i);
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ lua_pushstring(L, item.getItemString().c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+}
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+/*
+ Helpful macros for userdata classes
+*/
- // Can be created from Lua (InvStack::create(itemstring))
- lua_register(L, className, create_object);
- }
-};
-const char InvStack::className[] = "InvStack";
-const luaL_reg InvStack::methods[] = {
- method(InvStack, take_item),
- method(InvStack, put_item),
- {0,0}
-};
+#define method(class, name) {#name, class::l_##name}
/*
- InvRef
+ LuaItemStack
*/
-class InvRef
+class LuaItemStack
{
private:
- InventoryLocation m_loc;
+ ItemStack m_stack;
static const char className[];
static const luaL_reg methods[];
- static InvRef *checkobject(lua_State *L, int narg)
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L)
{
- luaL_checktype(L, narg, LUA_TUSERDATA);
- void *ud = luaL_checkudata(L, narg, className);
- if(!ud) luaL_typerror(L, narg, className);
- return *(InvRef**)ud; // unbox pointer
+ LuaItemStack *o = *(LuaItemStack **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
}
-
- static Inventory* getinv(lua_State *L, InvRef *ref)
+
+ // is_empty(self) -> true/false
+ static int l_is_empty(lua_State *L)
{
- return get_server(L)->getInventory(ref->m_loc);
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushboolean(L, item.empty());
+ return 1;
}
- static InventoryList* getlist(lua_State *L, InvRef *ref,
- const char *listname)
+ // get_name(self) -> string
+ static int l_get_name(lua_State *L)
{
- Inventory *inv = getinv(L, ref);
- if(!inv)
- return NULL;
- return inv->getList(listname);
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushstring(L, item.name.c_str());
+ return 1;
}
- static InventoryItem* getitem(lua_State *L, InvRef *ref,
- const char *listname, int i)
+ // get_count(self) -> number
+ static int l_get_count(lua_State *L)
{
- InventoryList *list = getlist(L, ref, listname);
- if(!list)
- return NULL;
- return list->getItem(i);
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.count);
+ return 1;
}
- static void reportInventoryChange(lua_State *L, InvRef *ref)
+ // get_wear(self) -> number
+ static int l_get_wear(lua_State *L)
{
- // Inform other things that the inventory has changed
- get_server(L)->setInventoryModified(ref->m_loc);
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.wear);
+ return 1;
}
-
- // Exported functions
-
- // garbage collector
- static int gc_object(lua_State *L) {
- InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
+
+ // get_metadata(self) -> string
+ static int l_get_metadata(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
+ return 1;
}
- // set_size(self, listname, size)
- static int l_set_size(lua_State *L)
+ // clear(self) -> true
+ static int l_clear(lua_State *L)
{
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int newsize = luaL_checknumber(L, 3);
- Inventory *inv = getinv(L, ref);
- if(newsize == 0){
- inv->deleteList(listname);
- return 0;
+ LuaItemStack *o = checkobject(L, 1);
+ o->m_stack.clear();
+ lua_pushboolean(L, true);
+ return 1;
+ }
+
+ // replace(self, itemstack or itemstring or table or nil) -> true
+ static int l_replace(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ o->m_stack = read_item(L, 2);
+ lua_pushboolean(L, true);
+ return 1;
+ }
+
+ // to_string(self) -> string
+ static int l_to_string(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ std::string itemstring = o->m_stack.getItemString();
+ lua_pushstring(L, itemstring.c_str());
+ return 1;
+ }
+
+ // to_table(self) -> table or nil
+ static int l_to_table(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ const ItemStack &item = o->m_stack;
+ if(item.empty())
+ {
+ lua_pushnil(L);
}
- InventoryList *list = inv->getList(listname);
- if(list){
- list->setSize(newsize);
- } else {
- list = inv->addList(listname, newsize);
+ else
+ {
+ lua_newtable(L);
+ lua_pushstring(L, item.name.c_str());
+ lua_setfield(L, -2, "name");
+ lua_pushinteger(L, item.count);
+ lua_setfield(L, -2, "count");
+ lua_pushinteger(L, item.wear);
+ lua_setfield(L, -2, "wear");
+ lua_pushlstring(L, item.metadata.c_str(), item.metadata.size());
+ lua_setfield(L, -2, "metadata");
}
- return 0;
+ return 1;
}
- // get_stack(self, listname, i)
- static int l_get_stack(lua_State *L)
+ // get_stack_max(self) -> number
+ static int l_get_stack_max(lua_State *L)
{
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int i = luaL_checknumber(L, 3);
- InventoryItem *item = getitem(L, ref, listname, i);
- if(!item){
- InvStack::create(L, NULL);
- return 1;
- }
- InvStack::create(L, item->clone());
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.getStackMax(get_server(L)->idef()));
return 1;
}
- // set_stack(self, listname, i, stack)
- static int l_set_stack(lua_State *L)
+ // get_free_space(self) -> number
+ static int l_get_free_space(lua_State *L)
{
- InvRef *ref = checkobject(L, 1);
- const char *listname = luaL_checkstring(L, 2);
- int i = luaL_checknumber(L, 3);
- InvStack *stack = InvStack::checkobject(L, 4);
- InventoryList *list = getlist(L, ref, listname);
- if(!list){
- lua_pushboolean(L, false);
- return 1;
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ lua_pushinteger(L, item.freeSpace(get_server(L)->idef()));
+ return 1;
+ }
+
+ // is_known(self) -> true/false
+ // Checks if the item is defined.
+ static int l_is_known(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ bool is_known = item.isKnown(get_server(L)->idef());
+ lua_pushboolean(L, is_known);
+ return 1;
+ }
+
+ // get_definition(self) -> table
+ // Returns the item definition table from minetest.registered_items,
+ // or a fallback one (name="unknown")
+ static int l_get_definition(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+
+ // Get minetest.registered_items[name]
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_items");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, item.name.c_str());
+ if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "unknown");
}
- InventoryItem *newitem = stack->getItemCopy();
- InventoryItem *olditem = list->changeItem(i, newitem);
- bool success = (olditem != newitem);
- delete olditem;
- lua_pushboolean(L, success);
+ return 1;
+ }
+
+ // get_tool_capabilities(self) -> table
+ // Returns the effective tool digging properties.
+ // Returns those of the hand ("") if this item has none associated.
+ static int l_get_tool_capabilities(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ const ToolCapabilities &prop =
+ item.getToolCapabilities(get_server(L)->idef());
+ push_tool_capabilities(L, prop);
+ return 1;
+ }
+
+ // add_wear(self, amount) -> true/false
+ // The range for "amount" is [0,65535]. Wear is only added if the item
+ // is a tool. Adding wear might destroy the item.
+ // Returns true if the item is (or was) a tool.
+ static int l_add_wear(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ int amount = lua_tointeger(L, 2);
+ bool result = item.addWear(amount, get_server(L)->idef());
+ lua_pushboolean(L, result);
+ return 1;
+ }
+
+ // add_item(self, itemstack or itemstring or table or nil) -> itemstack
+ // Returns leftover item stack
+ static int l_add_item(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ ItemStack newitem = read_item(L, 2);
+ ItemStack leftover = item.addItem(newitem, get_server(L)->idef());
+ create(L, leftover);
+ return 1;
+ }
+
+ // item_fits(self, itemstack or itemstring or table or nil) -> true/false, itemstack
+ // First return value is true iff the new item fits fully into the stack
+ // Second return value is the would-be-left-over item stack
+ static int l_item_fits(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ ItemStack newitem = read_item(L, 2);
+ ItemStack restitem;
+ bool fits = item.itemFits(newitem, &restitem, get_server(L)->idef());
+ lua_pushboolean(L, fits); // first return value
+ create(L, restitem); // second return value
+ return 2;
+ }
+
+ // take_item(self, takecount=1) -> itemstack
+ static int l_take_item(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ u32 takecount = 1;
+ if(!lua_isnone(L, 2))
+ takecount = lua_tointeger(L, 2);
+ ItemStack taken = item.takeItem(takecount);
+ create(L, taken);
+ return 1;
+ }
+
+ // peek_item(self, peekcount=1) -> itemstack
+ static int l_peek_item(lua_State *L)
+ {
+ LuaItemStack *o = checkobject(L, 1);
+ ItemStack &item = o->m_stack;
+ u32 peekcount = 1;
+ if(!lua_isnone(L, 2))
+ peekcount = lua_tointeger(L, 2);
+ ItemStack peekaboo = item.peekItem(peekcount);
+ create(L, peekaboo);
return 1;
}
public:
- InvRef(const InventoryLocation &loc):
- m_loc(loc)
+ LuaItemStack(const ItemStack &item):
+ m_stack(item)
{
}
- ~InvRef()
+ ~LuaItemStack()
{
}
- // Creates an InvRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, const InventoryLocation &loc)
+ const ItemStack& getItem() const
{
- InvRef *o = new InvRef(loc);
+ return m_stack;
+ }
+ ItemStack& getItem()
+ {
+ return m_stack;
+ }
+
+ // LuaItemStack(itemstack or itemstring or table or nil)
+ // Creates an LuaItemStack and leaves it on top of stack
+ static int create_object(lua_State *L)
+ {
+ ItemStack item = read_item(L, 1);
+ LuaItemStack *o = new LuaItemStack(item);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
+ return 1;
}
- static void createPlayer(lua_State *L, Player *player)
+ // Not callable from Lua
+ static int create(lua_State *L, const ItemStack &item)
{
- InventoryLocation loc;
- loc.setPlayer(player->getName());
- create(L, loc);
+ LuaItemStack *o = new LuaItemStack(item);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
}
- static void createNodeMeta(lua_State *L, v3s16 p)
+
+ static LuaItemStack* checkobject(lua_State *L, int narg)
{
- InventoryLocation loc;
- loc.setNodeMeta(p);
- create(L, loc);
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(LuaItemStack**)ud; // unbox pointer
}
static void Register(lua_State *L)
luaL_openlib(L, 0, methods, 0); // fill methodtable
lua_pop(L, 1); // drop methodtable
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
+ // Can be created from Lua (LuaItemStack(itemstack or itemstring or table or nil))
+ lua_register(L, className, create_object);
}
};
-const char InvRef::className[] = "InvRef";
-const luaL_reg InvRef::methods[] = {
- method(InvRef, set_size),
- method(InvRef, get_stack),
- method(InvRef, set_stack),
+const char LuaItemStack::className[] = "ItemStack";
+const luaL_reg LuaItemStack::methods[] = {
+ method(LuaItemStack, is_empty),
+ method(LuaItemStack, get_name),
+ method(LuaItemStack, get_count),
+ method(LuaItemStack, get_wear),
+ method(LuaItemStack, get_metadata),
+ method(LuaItemStack, clear),
+ method(LuaItemStack, replace),
+ method(LuaItemStack, to_string),
+ method(LuaItemStack, to_table),
+ method(LuaItemStack, get_stack_max),
+ method(LuaItemStack, get_free_space),
+ method(LuaItemStack, is_known),
+ method(LuaItemStack, get_definition),
+ method(LuaItemStack, get_tool_capabilities),
+ method(LuaItemStack, add_wear),
+ method(LuaItemStack, add_item),
+ method(LuaItemStack, item_fits),
+ method(LuaItemStack, take_item),
+ method(LuaItemStack, peek_item),
{0,0}
};
+static ItemStack read_item(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(lua_isnil(L, index))
+ {
+ return ItemStack();
+ }
+ else if(lua_isuserdata(L, index))
+ {
+ // Convert from LuaItemStack
+ LuaItemStack *o = LuaItemStack::checkobject(L, index);
+ return o->getItem();
+ }
+ else if(lua_isstring(L, index))
+ {
+ // Convert from itemstring
+ std::string itemstring = lua_tostring(L, index);
+ IItemDefManager *idef = get_server(L)->idef();
+ try
+ {
+ ItemStack item;
+ item.deSerialize(itemstring, idef);
+ return item;
+ }
+ catch(SerializationError &e)
+ {
+ infostream<<"WARNING: unable to create item from itemstring"
+ <<": "<<itemstring<<std::endl;
+ return ItemStack();
+ }
+ }
+ else if(lua_istable(L, index))
+ {
+ // Convert from table
+ IItemDefManager *idef = get_server(L)->idef();
+ std::string name = getstringfield_default(L, index, "name", "");
+ int count = getintfield_default(L, index, "count", 1);
+ int wear = getintfield_default(L, index, "wear", 0);
+ std::string metadata = getstringfield_default(L, index, "metadata", "");
+ return ItemStack(name, count, wear, metadata, idef);
+ }
+ else
+ {
+ throw LuaError(L, "Expecting itemstack, itemstring, table or nil");
+ }
+}
+
/*
- NodeMetaRef
+ InvRef
*/
-class NodeMetaRef
+class InvRef
{
private:
- v3s16 m_p;
- ServerEnvironment *m_env;
+ InventoryLocation m_loc;
static const char className[];
static const luaL_reg methods[];
- static NodeMetaRef *checkobject(lua_State *L, int narg)
+ static InvRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
- return *(NodeMetaRef**)ud; // unbox pointer
+ return *(InvRef**)ud; // unbox pointer
}
- static NodeMetadata* getmeta(NodeMetaRef *ref)
+ static Inventory* getinv(lua_State *L, InvRef *ref)
{
- NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
- return meta;
+ return get_server(L)->getInventory(ref->m_loc);
}
- /*static IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
+ static InventoryList* getlist(lua_State *L, InvRef *ref,
+ const char *listname)
{
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL)
- return NULL;
- if(meta->typeId() != NODEMETA_GENERIC)
+ Inventory *inv = getinv(L, ref);
+ if(!inv)
return NULL;
- return (IGenericNodeMetadata*)meta;
- }*/
+ return inv->getList(listname);
+ }
- static void reportMetadataChange(NodeMetaRef *ref)
+ static void reportInventoryChange(lua_State *L, InvRef *ref)
{
- // Inform other things that the metadata has changed
- v3s16 blockpos = getNodeBlockPos(ref->m_p);
- MapEditEvent event;
- event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
- event.p = blockpos;
- ref->m_env->getMap().dispatchEvent(&event);
- // Set the block to be saved
- MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
- if(block)
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "NodeMetaRef::reportMetadataChange");
+ // Inform other things that the inventory has changed
+ get_server(L)->setInventoryModified(ref->m_loc);
}
// Exported functions
// garbage collector
static int gc_object(lua_State *L) {
- NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
+ InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
delete o;
return 0;
}
- // get_type(self)
- static int l_get_type(lua_State *L)
+ // get_size(self, listname)
+ static int l_get_size(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL){
- lua_pushnil(L);
- return 1;
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushinteger(L, list->getSize());
+ } else {
+ lua_pushinteger(L, 0);
}
- // Do it
- lua_pushstring(L, meta->typeName());
- return 1;
- }
-
- // allows_text_input(self)
- static int l_allows_text_input(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- lua_pushboolean(L, meta->allowsTextInput());
return 1;
}
- // set_text(self, text)
- static int l_set_text(lua_State *L)
+ // set_size(self, listname, size)
+ static int l_set_size(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setText(text);
- reportMetadataChange(ref);
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int newsize = luaL_checknumber(L, 3);
+ Inventory *inv = getinv(L, ref);
+ if(newsize == 0){
+ inv->deleteList(listname);
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+ InventoryList *list = inv->getList(listname);
+ if(list){
+ list->setSize(newsize);
+ } else {
+ list = inv->addList(listname, newsize);
+ }
+ reportInventoryChange(L, ref);
return 0;
}
- // get_text(self)
- static int l_get_text(lua_State *L)
+ // get_stack(self, listname, i) -> itemstack
+ static int l_get_stack(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = meta->getText();
- lua_pushstring(L, text.c_str());
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ InventoryList *list = getlist(L, ref, listname);
+ ItemStack item;
+ if(list != NULL && i >= 0 && i < (int) list->getSize())
+ item = list->getItem(i);
+ LuaItemStack::create(L, item);
return 1;
}
- // get_owner(self)
- static int l_get_owner(lua_State *L)
+ // set_stack(self, listname, i, stack) -> true/false
+ static int l_set_stack(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string owner = meta->getOwner();
- lua_pushstring(L, owner.c_str());
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int i = luaL_checknumber(L, 3) - 1;
+ ItemStack newitem = read_item(L, 4);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list != NULL && i >= 0 && i < (int) list->getSize()){
+ list->changeItem(i, newitem);
+ reportInventoryChange(L, ref);
+ lua_pushboolean(L, true);
+ } else {
+ lua_pushboolean(L, false);
+ }
return 1;
}
- /* IGenericNodeMetadata interface */
-
- // set_infotext(self, text)
- static int l_set_infotext(lua_State *L)
+ // get_list(self, listname) -> list or nil
+ static int l_get_list(lua_State *L)
{
- infostream<<__FUNCTION_NAME<<std::endl;
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setInfoText(text);
- reportMetadataChange(ref);
- return 0;
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ inventory_get_list_to_lua(inv, listname, L);
+ return 1;
}
- // inventory_set_list(self, name, {item1, item2, ...})
- static int l_inventory_set_list(lua_State *L)
+ // set_list(self, listname, list)
+ static int l_set_list(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- Inventory *inv = meta->getInventory();
- const char *name = luaL_checkstring(L, 2);
- inventory_set_list_from_lua(inv, name, L, 3,
- ref->m_env->getGameDef());
- reportMetadataChange(ref);
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ Inventory *inv = getinv(L, ref);
+ InventoryList *list = inv->getList(listname);
+ if(list)
+ inventory_set_list_from_lua(inv, listname, L, 3,
+ list->getSize());
+ else
+ inventory_set_list_from_lua(inv, listname, L, 3);
+ reportInventoryChange(L, ref);
return 0;
}
- // inventory_get_list(self, name)
- static int l_inventory_get_list(lua_State *L)
+ // add_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+ // Returns the leftover stack
+ static int l_add_item(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- Inventory *inv = meta->getInventory();
- const char *name = luaL_checkstring(L, 2);
- inventory_get_list_to_lua(inv, name, L);
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ ItemStack leftover = list->addItem(item);
+ if(leftover.count != item.count)
+ reportInventoryChange(L, ref);
+ LuaItemStack::create(L, leftover);
+ } else {
+ LuaItemStack::create(L, item);
+ }
return 1;
}
- // set_inventory_draw_spec(self, text)
- static int l_set_inventory_draw_spec(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string text = luaL_checkstring(L, 2);
- meta->setInventoryDrawSpec(text);
- reportMetadataChange(ref);
- return 0;
- }
-
- // set_allow_text_input(self, text)
- static int l_set_allow_text_input(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- bool b = lua_toboolean(L, 2);
- meta->setAllowTextInput(b);
- reportMetadataChange(ref);
- return 0;
- }
-
- // set_allow_removal(self, text)
- static int l_set_allow_removal(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- bool b = lua_toboolean(L, 2);
- meta->setRemovalDisabled(!b);
- reportMetadataChange(ref);
- return 0;
- }
-
- // set_enforce_owner(self, text)
- static int l_set_enforce_owner(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- bool b = lua_toboolean(L, 2);
- meta->setEnforceOwner(b);
- reportMetadataChange(ref);
- return 0;
- }
-
- // is_inventory_modified(self)
- static int l_is_inventory_modified(lua_State *L)
+ // room_for_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+ // Returns true if the item completely fits into the list
+ static int l_room_for_item(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- lua_pushboolean(L, meta->isInventoryModified());
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushboolean(L, list->roomForItem(item));
+ } else {
+ lua_pushboolean(L, false);
+ }
return 1;
}
- // reset_inventory_modified(self)
- static int l_reset_inventory_modified(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- meta->resetInventoryModified();
- reportMetadataChange(ref);
- return 0;
- }
-
- // is_text_modified(self)
- static int l_is_text_modified(lua_State *L)
+ // contains_item(self, listname, itemstack or itemstring or table or nil) -> true/false
+ // Returns true if the list contains the given count of the given item name
+ static int l_contains_item(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- lua_pushboolean(L, meta->isTextModified());
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushboolean(L, list->containsItem(item));
+ } else {
+ lua_pushboolean(L, false);
+ }
return 1;
}
- // reset_text_modified(self)
- static int l_reset_text_modified(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- meta->resetTextModified();
- reportMetadataChange(ref);
- return 0;
- }
-
- // set_string(self, name, var)
- static int l_set_string(lua_State *L)
- {
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string name = luaL_checkstring(L, 2);
- size_t len = 0;
- const char *s = lua_tolstring(L, 3, &len);
- std::string str(s, len);
- meta->setString(name, str);
- reportMetadataChange(ref);
- return 0;
- }
-
- // get_string(self, name)
- static int l_get_string(lua_State *L)
+ // remove_item(self, listname, itemstack or itemstring or table or nil) -> itemstack
+ // Returns the items that were actually removed
+ static int l_remove_item(lua_State *L)
{
- NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string name = luaL_checkstring(L, 2);
- std::string str = meta->getString(name);
- lua_pushlstring(L, str.c_str(), str.size());
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ ItemStack item = read_item(L, 3);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ ItemStack removed = list->removeItem(item);
+ if(!removed.empty())
+ reportInventoryChange(L, ref);
+ LuaItemStack::create(L, removed);
+ } else {
+ LuaItemStack::create(L, ItemStack());
+ }
return 1;
}
public:
- NodeMetaRef(v3s16 p, ServerEnvironment *env):
- m_p(p),
- m_env(env)
+ InvRef(const InventoryLocation &loc):
+ m_loc(loc)
{
}
- ~NodeMetaRef()
+ ~InvRef()
{
}
- // Creates an NodeMetaRef and leaves it on top of stack
+ // Creates an InvRef and leaves it on top of stack
// Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
+ static void create(lua_State *L, const InventoryLocation &loc)
{
- NodeMetaRef *o = new NodeMetaRef(p, env);
- //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
+ InvRef *o = new InvRef(loc);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
}
+ static void createPlayer(lua_State *L, Player *player)
+ {
+ InventoryLocation loc;
+ loc.setPlayer(player->getName());
+ create(L, loc);
+ }
+ static void createNodeMeta(lua_State *L, v3s16 p)
+ {
+ InventoryLocation loc;
+ loc.setNodeMeta(p);
+ create(L, loc);
+ }
static void Register(lua_State *L)
{
//lua_register(L, className, create_object);
}
};
-const char NodeMetaRef::className[] = "NodeMetaRef";
-const luaL_reg NodeMetaRef::methods[] = {
- method(NodeMetaRef, get_type),
- method(NodeMetaRef, allows_text_input),
- method(NodeMetaRef, set_text),
- method(NodeMetaRef, get_text),
- method(NodeMetaRef, get_owner),
- method(NodeMetaRef, set_infotext),
- method(NodeMetaRef, inventory_set_list),
- method(NodeMetaRef, inventory_get_list),
- method(NodeMetaRef, set_inventory_draw_spec),
- method(NodeMetaRef, set_allow_text_input),
- method(NodeMetaRef, set_allow_removal),
- method(NodeMetaRef, set_enforce_owner),
- method(NodeMetaRef, is_inventory_modified),
- method(NodeMetaRef, reset_inventory_modified),
- method(NodeMetaRef, is_text_modified),
- method(NodeMetaRef, reset_text_modified),
- method(NodeMetaRef, set_string),
- method(NodeMetaRef, get_string),
+const char InvRef::className[] = "InvRef";
+const luaL_reg InvRef::methods[] = {
+ method(InvRef, get_size),
+ method(InvRef, set_size),
+ method(InvRef, get_stack),
+ method(InvRef, set_stack),
+ method(InvRef, get_list),
+ method(InvRef, set_list),
+ method(InvRef, add_item),
+ method(InvRef, room_for_item),
+ method(InvRef, contains_item),
+ method(InvRef, remove_item),
{0,0}
};
/*
- ObjectRef
+ NodeMetaRef
*/
-class ObjectRef
+class NodeMetaRef
{
private:
- ServerActiveObject *m_object;
+ v3s16 m_p;
+ ServerEnvironment *m_env;
static const char className[];
static const luaL_reg methods[];
- static ObjectRef *checkobject(lua_State *L, int narg)
+ static NodeMetaRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
- return *(ObjectRef**)ud; // unbox pointer
- }
-
- static ServerActiveObject* getobject(ObjectRef *ref)
- {
- ServerActiveObject *co = ref->m_object;
- return co;
+ return *(NodeMetaRef**)ud; // unbox pointer
}
- static LuaEntitySAO* getluaobject(ObjectRef *ref)
+ static NodeMetadata* getmeta(NodeMetaRef *ref, bool auto_create)
{
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
- return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
- return NULL;
- return (LuaEntitySAO*)obj;
+ NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
+ if(meta == NULL && auto_create)
+ {
+ meta = new NodeMetadata(ref->m_env->getGameDef());
+ ref->m_env->getMap().setNodeMetadata(ref->m_p, meta);
+ }
+ return meta;
}
-
- static ServerRemotePlayer* getplayer(ObjectRef *ref)
+
+ static void reportMetadataChange(NodeMetaRef *ref)
{
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
- return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
- return NULL;
- return static_cast<ServerRemotePlayer*>(obj);
+ // Inform other things that the metadata has changed
+ v3s16 blockpos = getNodeBlockPos(ref->m_p);
+ MapEditEvent event;
+ event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
+ event.p = blockpos;
+ ref->m_env->getMap().dispatchEvent(&event);
+ // Set the block to be saved
+ MapBlock *block = ref->m_env->getMap().getBlockNoCreateNoEx(blockpos);
+ if(block)
+ block->raiseModified(MOD_STATE_WRITE_NEEDED,
+ "NodeMetaRef::reportMetadataChange");
}
// Exported functions
// garbage collector
static int gc_object(lua_State *L) {
- ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
- //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
+ NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
delete o;
return 0;
}
- // remove(self)
- static int l_remove(lua_State *L)
+ // get_string(self, name)
+ static int l_get_string(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- infostream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
- co->m_removed = true;
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = luaL_checkstring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ std::string str = meta->getString(name);
+ lua_pushlstring(L, str.c_str(), str.size());
+ return 1;
+ }
+
+ // set_string(self, name, var)
+ static int l_set_string(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = luaL_checkstring(L, 2);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 3, &len);
+ std::string str(s, len);
+
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
+ reportMetadataChange(ref);
return 0;
}
-
- // getpos(self)
- // returns: {x=num, y=num, z=num}
- static int l_getpos(lua_State *L)
+
+ // get_int(self, name)
+ static int l_get_int(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- v3f pos = co->getBasePosition() / BS;
- lua_newtable(L);
- lua_pushnumber(L, pos.X);
- lua_setfield(L, -2, "x");
- lua_pushnumber(L, pos.Y);
- lua_setfield(L, -2, "y");
- lua_pushnumber(L, pos.Z);
- lua_setfield(L, -2, "z");
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushnumber(L, 0);
+ return 1;
+ }
+ std::string str = meta->getString(name);
+ lua_pushnumber(L, stoi(str));
return 1;
}
-
- // setpos(self, pos)
- static int l_setpos(lua_State *L)
+
+ // set_int(self, name, var)
+ static int l_set_int(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- co->setPos(pos);
- return 0;
- }
-
- // moveto(self, pos, continuous=false)
- static int l_moveto(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- //LuaEntitySAO *co = getluaobject(ref);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // continuous
- bool continuous = lua_toboolean(L, 3);
- // Do it
- co->moveTo(pos, continuous);
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+ int a = lua_tointeger(L, 3);
+ std::string str = itos(a);
+
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
+ reportMetadataChange(ref);
return 0;
}
- // punch(self, puncher); puncher = an another ObjectRef
- static int l_punch(lua_State *L)
+ // get_float(self, name)
+ static int l_get_float(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ObjectRef *ref2 = checkobject(L, 2);
- ServerActiveObject *co = getobject(ref);
- ServerActiveObject *co2 = getobject(ref2);
- if(co == NULL) return 0;
- if(co2 == NULL) return 0;
- // Do it
- co->punch(co2);
- return 0;
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushnumber(L, 0);
+ return 1;
+ }
+ std::string str = meta->getString(name);
+ lua_pushnumber(L, stof(str));
+ return 1;
}
- // right_click(self, clicker); clicker = an another ObjectRef
- static int l_right_click(lua_State *L)
+ // set_float(self, name, var)
+ static int l_set_float(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ObjectRef *ref2 = checkobject(L, 2);
- ServerActiveObject *co = getobject(ref);
- ServerActiveObject *co2 = getobject(ref2);
- if(co == NULL) return 0;
- if(co2 == NULL) return 0;
- // Do it
- co->rightClick(co2);
+ NodeMetaRef *ref = checkobject(L, 1);
+ std::string name = lua_tostring(L, 2);
+ float a = lua_tonumber(L, 3);
+ std::string str = ftos(a);
+
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
+ reportMetadataChange(ref);
return 0;
}
- // get_wield_digging_properties(self)
- static int l_get_wield_digging_properties(lua_State *L)
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- ToolDiggingProperties prop;
- co->getWieldDiggingProperties(&prop);
- push_tool_digging_properties(L, prop);
+ NodeMetaRef *ref = checkobject(L, 1);
+ getmeta(ref, true); // try to ensure the metadata exists
+ InvRef::createNodeMeta(L, ref->m_p);
return 1;
}
- // damage_wielded_item(self, amount)
- static int l_damage_wielded_item(lua_State *L)
+ // get_inventory_draw_spec(self)
+ static int l_get_inventory_draw_spec(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // Do it
- int amount = lua_tonumber(L, 2);
- co->damageWieldedItem(amount);
- return 0;
- }
+ NodeMetaRef *ref = checkobject(L, 1);
- // add_to_inventory(self, itemstring)
- // returns: true if item was added, (false, "reason") otherwise
- static int l_add_to_inventory(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- luaL_checkstring(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // itemstring
- const char *itemstring = luaL_checkstring(L, 2);
- infostream<<"ObjectRef::l_add_to_inventory(): id="<<co->getId()
- <<" itemstring=\""<<itemstring<<"\""<<std::endl;
- // Do it
- std::istringstream is(itemstring, std::ios::binary);
- ServerEnvironment *env = co->getEnv();
- assert(env);
- IGameDef *gamedef = env->getGameDef();
- try{
- InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
- if(item->getCount() == 0)
- item->setCount(1);
- bool added = co->addToInventory(item);
- // Return
- lua_pushboolean(L, added);
- if(!added)
- lua_pushstring(L, "failed to add item");
- return 2;
- } catch(SerializationError &e){
- // Return
- lua_pushboolean(L, false);
- lua_pushstring(L, (std::string("Invalid item: ")
- + e.what()).c_str());
- return 2;
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
}
+ std::string str = meta->getInventoryDrawSpec();
+ lua_pushlstring(L, str.c_str(), str.size());
+ return 1;
}
- // add_to_inventory_later(self, itemstring)
- // returns: nil
- static int l_add_to_inventory_later(lua_State *L)
+ // set_inventory_draw_spec(self, text)
+ static int l_set_inventory_draw_spec(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- luaL_checkstring(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- // itemstring
- const char *itemstring = luaL_checkstring(L, 2);
- infostream<<"ObjectRef::l_add_to_inventory_later(): id="<<co->getId()
- <<" itemstring=\""<<itemstring<<"\""<<std::endl;
- // Do it
- std::istringstream is(itemstring, std::ios::binary);
- ServerEnvironment *env = co->getEnv();
- assert(env);
- IGameDef *gamedef = env->getGameDef();
- InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
- infostream<<"item="<<env<<std::endl;
- co->addToInventoryLater(item);
- // Return
- return 0;
- }
+ NodeMetaRef *ref = checkobject(L, 1);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 2, &len);
+ std::string str(s, len);
- // set_hp(self, hp)
- // hp = number of hitpoints (2 * number of hearts)
- // returns: nil
- static int l_set_hp(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- luaL_checknumber(L, 2);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- int hp = lua_tonumber(L, 2);
- infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
- <<" hp="<<hp<<std::endl;
- // Do it
- co->setHP(hp);
- // Return
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getInventoryDrawSpec())
+ return 0;
+ meta->setInventoryDrawSpec(str);
+ reportMetadataChange(ref);
return 0;
}
- // get_hp(self)
- // returns: number of hitpoints (2 * number of hearts)
- // 0 if not applicable to this type of object
- static int l_get_hp(lua_State *L)
+ // get_form_spec(self)
+ static int l_get_form_spec(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
- int hp = co->getHP();
- infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
- <<" hp="<<hp<<std::endl;
- // Return
- lua_pushnumber(L, hp);
+ NodeMetaRef *ref = checkobject(L, 1);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ std::string str = meta->getFormSpec();
+ lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
- /* LuaEntitySAO-only */
-
- // setvelocity(self, {x=num, y=num, z=num})
- static int l_setvelocity(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- co->setVelocity(pos);
- return 0;
- }
-
- // setacceleration(self, {x=num, y=num, z=num})
- static int l_setacceleration(lua_State *L)
+ // set_form_spec(self, text)
+ static int l_set_form_spec(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // Do it
- co->setAcceleration(pos);
+ NodeMetaRef *ref = checkobject(L, 1);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 2, &len);
+ std::string str(s, len);
+
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getFormSpec())
+ return 0;
+ meta->setFormSpec(str);
+ reportMetadataChange(ref);
return 0;
}
-
- // getacceleration(self)
- static int l_getacceleration(lua_State *L)
+
+ // get_infotext(self)
+ static int l_get_infotext(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- v3f v = co->getAcceleration();
- pushFloatPos(L, v);
+ NodeMetaRef *ref = checkobject(L, 1);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ std::string str = meta->getInfoText();
+ lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
-
- // settexturemod(self, mod)
- static int l_settexturemod(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- std::string mod = luaL_checkstring(L, 2);
- co->setTextureMod(mod);
- return 0;
- }
-
- // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
- // select_horiz_by_yawpitch=false)
- static int l_setsprite(lua_State *L)
+
+ // set_infotext(self, text)
+ static int l_set_infotext(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- v2s16 p(0,0);
- if(!lua_isnil(L, 2))
- p = read_v2s16(L, 2);
- int num_frames = 1;
- if(!lua_isnil(L, 3))
- num_frames = lua_tonumber(L, 3);
- float framelength = 0.2;
- if(!lua_isnil(L, 4))
- framelength = lua_tonumber(L, 4);
- bool select_horiz_by_yawpitch = false;
- if(!lua_isnil(L, 5))
- select_horiz_by_yawpitch = lua_toboolean(L, 5);
- co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
+ NodeMetaRef *ref = checkobject(L, 1);
+ size_t len = 0;
+ const char *s = lua_tolstring(L, 2, &len);
+ std::string str(s, len);
+
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getInfoText())
+ return 0;
+ meta->setInfoText(str);
+ reportMetadataChange(ref);
return 0;
}
- /* Player-only */
-
- // get_player_name(self)
- static int l_get_player_name(lua_State *L)
+ // get_allow_removal(self)
+ static int l_get_allow_removal(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL){
- lua_pushnil(L);
+ NodeMetaRef *ref = checkobject(L, 1);
+
+ NodeMetadata *meta = getmeta(ref, false);
+ if(meta == NULL){
+ lua_pushboolean(L, true);
return 1;
}
- // Do it
- lua_pushstring(L, player->getName());
+ lua_pushboolean(L, meta->getAllowRemoval());
return 1;
}
-
- // inventory_set_list(self, name, {item1, item2, ...})
- static int l_inventory_set_list(lua_State *L)
+
+ // set_allow_removal(self, flag)
+ static int l_set_allow_removal(lua_State *L)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- const char *name = luaL_checkstring(L, 2);
- // Do it
- inventory_set_list_from_lua(&player->inventory, name, L, 3,
- player->getEnv()->getGameDef(), PLAYER_INVENTORY_SIZE);
- player->m_inventory_not_sent = true;
+ NodeMetaRef *ref = checkobject(L, 1);
+ bool flag = lua_toboolean(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, flag != true);
+ if(meta == NULL || flag == meta->getAllowRemoval())
+ return 0;
+ meta->setAllowRemoval(flag);
+ reportMetadataChange(ref);
return 0;
}
- // inventory_get_list(self, name)
- static int l_inventory_get_list(lua_State *L)
+public:
+ NodeMetaRef(v3s16 p, ServerEnvironment *env):
+ m_p(p),
+ m_env(env)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- const char *name = luaL_checkstring(L, 2);
- // Do it
- inventory_get_list_to_lua(&player->inventory, name, L);
- return 1;
}
- // get_wielded_itemstring(self)
- static int l_get_wielded_itemstring(lua_State *L)
+ ~NodeMetaRef()
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- InventoryItem *item = player->getWieldedItem();
- if(item == NULL){
- lua_pushnil(L);
- return 1;
- }
- lua_pushstring(L, item->getItemString().c_str());
- return 1;
}
- // get_wielded_item(self)
- static int l_get_wielded_item(lua_State *L)
+ // Creates an NodeMetaRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
{
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- InventoryItem *item0 = player->getWieldedItem();
- push_stack_item(L, item0);
- return 1;
- }
-
- // get_look_dir(self)
- static int l_get_look_dir(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- float pitch = player->getRadPitch();
- float yaw = player->getRadYaw();
- v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
- push_v3f(L, v);
- return 1;
- }
-
- // get_look_pitch(self)
- static int l_get_look_pitch(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- lua_pushnumber(L, player->getRadPitch());
- return 1;
- }
-
- // get_look_yaw(self)
- static int l_get_look_yaw(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
- if(player == NULL) return 0;
- // Do it
- lua_pushnumber(L, player->getRadYaw());
- return 1;
- }
-
-public:
- ObjectRef(ServerActiveObject *object):
- m_object(object)
- {
- //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
- }
-
- ~ObjectRef()
- {
- /*if(m_object)
- infostream<<"ObjectRef destructing for id="
- <<m_object->getId()<<std::endl;
- else
- infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
- }
-
- // Creates an ObjectRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerActiveObject *object)
- {
- ObjectRef *o = new ObjectRef(object);
- //infostream<<"ObjectRef::create: o="<<o<<std::endl;
+ NodeMetaRef *o = new NodeMetaRef(p, env);
+ //infostream<<"NodeMetaRef::create: o="<<o<<std::endl;
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
}
- static void set_null(lua_State *L)
- {
- ObjectRef *o = checkobject(L, -1);
- o->m_object = NULL;
- }
-
static void Register(lua_State *L)
{
lua_newtable(L);
//lua_register(L, className, create_object);
}
};
-const char ObjectRef::className[] = "ObjectRef";
-const luaL_reg ObjectRef::methods[] = {
- // ServerActiveObject
- method(ObjectRef, remove),
- method(ObjectRef, getpos),
- method(ObjectRef, setpos),
- method(ObjectRef, moveto),
- method(ObjectRef, punch),
- method(ObjectRef, right_click),
- method(ObjectRef, get_wield_digging_properties),
- method(ObjectRef, damage_wielded_item),
- method(ObjectRef, add_to_inventory),
- method(ObjectRef, add_to_inventory_later),
- method(ObjectRef, set_hp),
- method(ObjectRef, get_hp),
- // LuaEntitySAO-only
- method(ObjectRef, setvelocity),
- method(ObjectRef, setacceleration),
- method(ObjectRef, getacceleration),
- method(ObjectRef, settexturemod),
- method(ObjectRef, setsprite),
- // Player-only
- method(ObjectRef, get_player_name),
- method(ObjectRef, inventory_set_list),
- method(ObjectRef, inventory_get_list),
- method(ObjectRef, get_wielded_itemstring),
- method(ObjectRef, get_wielded_item),
- method(ObjectRef, get_look_dir),
- method(ObjectRef, get_look_pitch),
- method(ObjectRef, get_look_yaw),
+const char NodeMetaRef::className[] = "NodeMetaRef";
+const luaL_reg NodeMetaRef::methods[] = {
+ method(NodeMetaRef, get_string),
+ method(NodeMetaRef, set_string),
+ method(NodeMetaRef, get_int),
+ method(NodeMetaRef, set_int),
+ method(NodeMetaRef, get_float),
+ method(NodeMetaRef, set_float),
+ method(NodeMetaRef, get_inventory),
+ method(NodeMetaRef, get_inventory_draw_spec),
+ method(NodeMetaRef, set_inventory_draw_spec),
+ method(NodeMetaRef, get_form_spec),
+ method(NodeMetaRef, set_form_spec),
+ method(NodeMetaRef, get_infotext),
+ method(NodeMetaRef, set_infotext),
+ method(NodeMetaRef, get_allow_removal),
+ method(NodeMetaRef, set_allow_removal),
{0,0}
};
-// Creates a new anonymous reference if id=0
-static void objectref_get_or_create(lua_State *L,
- ServerActiveObject *cobj)
-{
- if(cobj->getId() == 0){
- ObjectRef::create(L, cobj);
- } else {
- objectref_get(L, cobj->getId());
- }
-}
-
/*
- EnvRef
+ ObjectRef
*/
-class EnvRef
+class ObjectRef
{
private:
- ServerEnvironment *m_env;
+ ServerActiveObject *m_object;
static const char className[];
static const luaL_reg methods[];
-
- static EnvRef *checkobject(lua_State *L, int narg)
+public:
+ static ObjectRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if(!ud) luaL_typerror(L, narg, className);
- return *(EnvRef**)ud; // unbox pointer
+ return *(ObjectRef**)ud; // unbox pointer
+ }
+
+ static ServerActiveObject* getobject(ObjectRef *ref)
+ {
+ ServerActiveObject *co = ref->m_object;
+ return co;
+ }
+private:
+ static LuaEntitySAO* getluaobject(ObjectRef *ref)
+ {
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
+ return NULL;
+ return (LuaEntitySAO*)obj;
+ }
+
+ static PlayerSAO* getplayersao(ObjectRef *ref)
+ {
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
+ return NULL;
+ return (PlayerSAO*)obj;
+ }
+
+ static Player* getplayer(ObjectRef *ref)
+ {
+ PlayerSAO *playersao = getplayersao(ref);
+ if(playersao == NULL)
+ return NULL;
+ return playersao->getPlayer();
}
// Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L) {
+ ObjectRef *o = *(ObjectRef **)(lua_touserdata(L, 1));
+ //infostream<<"ObjectRef::gc_object: o="<<o<<std::endl;
+ delete o;
+ return 0;
+ }
- // EnvRef:add_node(pos, node)
- // pos = {x=num, y=num, z=num}
- static int l_add_node(lua_State *L)
+ // remove(self)
+ static int l_remove(lua_State *L)
{
- //infostream<<"EnvRef::l_add_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // content
- MapNode n = readnode(L, 3, env->getGameDef()->ndef());
- // Do it
- bool succeeded = env->getMap().addNodeWithEvent(pos, n);
- lua_pushboolean(L, succeeded);
- return 1;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ verbosestream<<"ObjectRef::l_remove(): id="<<co->getId()<<std::endl;
+ co->m_removed = true;
+ return 0;
}
-
- // EnvRef:remove_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_remove_node(lua_State *L)
+
+ // getpos(self)
+ // returns: {x=num, y=num, z=num}
+ static int l_getpos(lua_State *L)
{
- //infostream<<"EnvRef::l_remove_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3s16 pos = readpos(L, 2);
- // Do it
- bool succeeded = env->getMap().removeNodeWithEvent(pos);
- lua_pushboolean(L, succeeded);
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ v3f pos = co->getBasePosition() / BS;
+ lua_newtable(L);
+ lua_pushnumber(L, pos.X);
+ lua_setfield(L, -2, "x");
+ lua_pushnumber(L, pos.Y);
+ lua_setfield(L, -2, "y");
+ lua_pushnumber(L, pos.Z);
+ lua_setfield(L, -2, "z");
return 1;
}
-
- // EnvRef:get_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node(lua_State *L)
+
+ // setpos(self, pos)
+ static int l_setpos(lua_State *L)
{
- //infostream<<"EnvRef::l_get_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
// pos
- v3s16 pos = readpos(L, 2);
+ v3f pos = checkFloatPos(L, 2);
// Do it
- MapNode n = env->getMap().getNodeNoEx(pos);
- // Return node
- pushnode(L, n, env->getGameDef()->ndef());
- return 1;
+ co->setPos(pos);
+ return 0;
}
-
- // EnvRef:get_node_or_nil(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node_or_nil(lua_State *L)
+
+ // moveto(self, pos, continuous=false)
+ static int l_moveto(lua_State *L)
{
- //infostream<<"EnvRef::l_get_node()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ //LuaEntitySAO *co = getluaobject(ref);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
// pos
- v3s16 pos = readpos(L, 2);
+ v3f pos = checkFloatPos(L, 2);
+ // continuous
+ bool continuous = lua_toboolean(L, 3);
// Do it
- try{
- MapNode n = env->getMap().getNode(pos);
- // Return node
- pushnode(L, n, env->getGameDef()->ndef());
- return 1;
- } catch(InvalidPositionException &e)
- {
- lua_pushnil(L);
- return 1;
- }
+ co->moveTo(pos, continuous);
+ return 0;
}
- // EnvRef:get_node_light(pos, timeofday)
- // pos = {x=num, y=num, z=num}
- // timeofday: nil = current time, 0 = night, 0.5 = day
- static int l_get_node_light(lua_State *L)
+ // punch(self, puncher, tool_capabilities, direction, time_from_last_punch)
+ static int l_punch(lua_State *L)
{
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *puncher_ref = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *puncher = getobject(puncher_ref);
+ if(co == NULL) return 0;
+ if(puncher == NULL) return 0;
+ ToolCapabilities toolcap = read_tool_capabilities(L, 3);
+ v3f dir = read_v3f(L, 4);
+ float time_from_last_punch = 1000000;
+ if(lua_isnumber(L, 5))
+ time_from_last_punch = lua_tonumber(L, 5);
// Do it
- v3s16 pos = readpos(L, 2);
- u32 time_of_day = env->getTimeOfDay();
- if(lua_isnumber(L, 3))
- time_of_day = 24000.0 * lua_tonumber(L, 3);
- time_of_day %= 24000;
- u32 dnr = time_to_daynight_ratio(time_of_day);
- MapNode n = env->getMap().getNodeNoEx(pos);
- try{
- MapNode n = env->getMap().getNode(pos);
- INodeDefManager *ndef = env->getGameDef()->ndef();
- lua_pushinteger(L, n.getLightBlend(dnr, ndef));
- return 1;
- } catch(InvalidPositionException &e)
- {
- lua_pushnil(L);
- return 1;
- }
+ puncher->punch(dir, &toolcap, puncher, time_from_last_punch);
+ return 0;
}
- // EnvRef:add_entity(pos, entityname)
- // pos = {x=num, y=num, z=num}
- static int l_add_entity(lua_State *L)
+ // right_click(self, clicker); clicker = an another ObjectRef
+ static int l_right_click(lua_State *L)
{
- //infostream<<"EnvRef::l_add_entity()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // content
- const char *name = luaL_checkstring(L, 3);
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *ref2 = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *co2 = getobject(ref2);
+ if(co == NULL) return 0;
+ if(co2 == NULL) return 0;
// Do it
- ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
- env->addActiveObject(obj);
+ co->rightClick(co2);
return 0;
}
- // EnvRef:add_item(pos, inventorystring)
- // pos = {x=num, y=num, z=num}
- static int l_add_item(lua_State *L)
+ // set_hp(self, hp)
+ // hp = number of hitpoints (2 * number of hearts)
+ // returns: nil
+ static int l_set_hp(lua_State *L)
{
- infostream<<"EnvRef::l_add_item()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
- // inventorystring
- const char *inventorystring = luaL_checkstring(L, 3);
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checknumber(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ int hp = lua_tonumber(L, 2);
+ /*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;*/
// Do it
- ServerActiveObject *obj = new ItemSAO(env, pos, inventorystring);
- env->addActiveObject(obj);
+ co->setHP(hp);
+ // Return
return 0;
}
- // EnvRef:add_rat(pos)
- // pos = {x=num, y=num, z=num}
- static int l_add_rat(lua_State *L)
+ // get_hp(self)
+ // returns: number of hitpoints (2 * number of hearts)
+ // 0 if not applicable to this type of object
+ static int l_get_hp(lua_State *L)
{
- infostream<<"EnvRef::l_add_rat()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ int hp = co->getHP();
+ /*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
+ <<" hp="<<hp<<std::endl;*/
+ // Return
+ lua_pushnumber(L, hp);
+ return 1;
+ }
+
+ // get_inventory(self)
+ static int l_get_inventory(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
// Do it
- ServerActiveObject *obj = new RatSAO(env, pos);
- env->addActiveObject(obj);
- return 0;
+ InventoryLocation loc = co->getInventoryLocation();
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
}
- // EnvRef:add_firefly(pos)
- // pos = {x=num, y=num, z=num}
- static int l_add_firefly(lua_State *L)
+ // get_wield_list(self)
+ static int l_get_wield_list(lua_State *L)
{
- infostream<<"EnvRef::l_add_firefly()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
- // pos
- v3f pos = readFloatPos(L, 2);
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
// Do it
- ServerActiveObject *obj = new FireflySAO(env, pos);
- env->addActiveObject(obj);
- return 0;
+ lua_pushstring(L, co->getWieldList().c_str());
+ return 1;
}
- // EnvRef:get_meta(pos)
- static int l_get_meta(lua_State *L)
+ // get_wield_index(self)
+ static int l_get_wield_index(lua_State *L)
{
- //infostream<<"EnvRef::l_get_meta()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
// Do it
- v3s16 p = readpos(L, 2);
- NodeMetaRef::create(L, p, env);
+ lua_pushinteger(L, co->getWieldIndex() + 1);
return 1;
}
- // EnvRef:get_player_by_name(name)
- static int l_get_player_by_name(lua_State *L)
+ // get_wielded_item(self)
+ static int l_get_wielded_item(lua_State *L)
{
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
// Do it
- const char *name = luaL_checkstring(L, 2);
- ServerRemotePlayer *player =
- static_cast<ServerRemotePlayer*>(env->getPlayer(name));
- if(player == NULL){
- lua_pushnil(L);
- return 1;
- }
- // Put player on stack
- objectref_get_or_create(L, player);
+ LuaItemStack::create(L, co->getWieldedItem());
return 1;
}
- // EnvRef:get_objects_inside_radius(pos, radius)
- static int l_get_objects_inside_radius(lua_State *L)
+ // set_wielded_item(self, itemstack or itemstring or table or nil)
+ static int l_set_wielded_item(lua_State *L)
{
- // Get the table insert function
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Get environemnt
- EnvRef *o = checkobject(L, 1);
- ServerEnvironment *env = o->m_env;
- if(env == NULL) return 0;
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
// Do it
- v3f pos = readFloatPos(L, 2);
- float radius = luaL_checknumber(L, 3) * BS;
- std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
- lua_newtable(L);
- int table = lua_gettop(L);
- for(std::set<u16>::const_iterator
- i = ids.begin(); i != ids.end(); i++){
- ServerActiveObject *obj = env->getActiveObject(*i);
- // Insert object reference into table
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, table);
- objectref_get_or_create(L, obj);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- }
+ ItemStack item = read_item(L, 2);
+ bool success = co->setWieldedItem(item);
+ lua_pushboolean(L, success);
+ return 1;
+ }
+
+ // set_armor_groups(self, groups)
+ static int l_set_armor_groups(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ ItemGroupList groups;
+ read_groups(L, 2, groups);
+ co->setArmorGroups(groups);
+ return 0;
+ }
+
+ // set_properties(self, properties)
+ static int l_set_properties(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ ObjectProperties *prop = co->accessObjectProperties();
+ if(!prop)
+ return 0;
+ read_object_properties(L, 2, prop);
+ co->notifyObjectPropertiesModified();
+ return 0;
+ }
+
+ /* LuaEntitySAO-only */
+
+ // setvelocity(self, {x=num, y=num, z=num})
+ static int l_setvelocity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setVelocity(pos);
+ return 0;
+ }
+
+ // getvelocity(self)
+ static int l_getvelocity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getVelocity();
+ pushFloatPos(L, v);
+ return 1;
+ }
+
+ // setacceleration(self, {x=num, y=num, z=num})
+ static int l_setacceleration(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // Do it
+ co->setAcceleration(pos);
+ return 0;
+ }
+
+ // getacceleration(self)
+ static int l_getacceleration(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v3f v = co->getAcceleration();
+ pushFloatPos(L, v);
+ return 1;
+ }
+
+ // setyaw(self, radians)
+ static int l_setyaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
+ // Do it
+ co->setYaw(yaw);
+ return 0;
+ }
+
+ // getyaw(self)
+ static int l_getyaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ float yaw = co->getYaw() * core::DEGTORAD;
+ lua_pushnumber(L, yaw);
return 1;
}
+
+ // settexturemod(self, mod)
+ static int l_settexturemod(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string mod = luaL_checkstring(L, 2);
+ co->setTextureMod(mod);
+ return 0;
+ }
+
+ // setsprite(self, p={x=0,y=0}, num_frames=1, framelength=0.2,
+ // select_horiz_by_yawpitch=false)
+ static int l_setsprite(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v2s16 p(0,0);
+ if(!lua_isnil(L, 2))
+ p = read_v2s16(L, 2);
+ int num_frames = 1;
+ if(!lua_isnil(L, 3))
+ num_frames = lua_tonumber(L, 3);
+ float framelength = 0.2;
+ if(!lua_isnil(L, 4))
+ framelength = lua_tonumber(L, 4);
+ bool select_horiz_by_yawpitch = false;
+ if(!lua_isnil(L, 5))
+ select_horiz_by_yawpitch = lua_toboolean(L, 5);
+ co->setSprite(p, num_frames, framelength, select_horiz_by_yawpitch);
+ return 0;
+ }
+
+ // DEPRECATED
+ // get_entity_name(self)
+ static int l_get_entity_name(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string name = co->getName();
+ lua_pushstring(L, name.c_str());
+ return 1;
+ }
+
+ // get_luaentity(self)
+ static int l_get_luaentity(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ LuaEntitySAO *co = getluaobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ luaentity_get(L, co->getId());
+ return 1;
+ }
+
+ /* Player-only */
+
+ // get_player_name(self)
+ static int l_get_player_name(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Do it
+ lua_pushstring(L, player->getName());
+ return 1;
+ }
+
+ // get_look_dir(self)
+ static int l_get_look_dir(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ float pitch = player->getRadPitch();
+ float yaw = player->getRadYaw();
+ v3f v(cos(pitch)*cos(yaw), sin(pitch), cos(pitch)*sin(yaw));
+ push_v3f(L, v);
+ return 1;
+ }
+
+ // get_look_pitch(self)
+ static int l_get_look_pitch(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadPitch());
+ return 1;
+ }
+
+ // get_look_yaw(self)
+ static int l_get_look_yaw(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ // Do it
+ lua_pushnumber(L, player->getRadYaw());
+ return 1;
+ }
+
+public:
+ ObjectRef(ServerActiveObject *object):
+ m_object(object)
+ {
+ //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
+ }
+
+ ~ObjectRef()
+ {
+ /*if(m_object)
+ infostream<<"ObjectRef destructing for id="
+ <<m_object->getId()<<std::endl;
+ else
+ infostream<<"ObjectRef destructing for id=unknown"<<std::endl;*/
+ }
+
+ // Creates an ObjectRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerActiveObject *object)
+ {
+ ObjectRef *o = new ObjectRef(object);
+ //infostream<<"ObjectRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+
+ static void set_null(lua_State *L)
+ {
+ ObjectRef *o = checkobject(L, -1);
+ o->m_object = NULL;
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+ }
+};
+const char ObjectRef::className[] = "ObjectRef";
+const luaL_reg ObjectRef::methods[] = {
+ // ServerActiveObject
+ method(ObjectRef, remove),
+ method(ObjectRef, getpos),
+ method(ObjectRef, setpos),
+ method(ObjectRef, moveto),
+ method(ObjectRef, punch),
+ method(ObjectRef, right_click),
+ method(ObjectRef, set_hp),
+ method(ObjectRef, get_hp),
+ method(ObjectRef, get_inventory),
+ method(ObjectRef, get_wield_list),
+ method(ObjectRef, get_wield_index),
+ method(ObjectRef, get_wielded_item),
+ method(ObjectRef, set_wielded_item),
+ method(ObjectRef, set_armor_groups),
+ method(ObjectRef, set_properties),
+ // LuaEntitySAO-only
+ method(ObjectRef, setvelocity),
+ method(ObjectRef, getvelocity),
+ method(ObjectRef, setacceleration),
+ method(ObjectRef, getacceleration),
+ method(ObjectRef, setyaw),
+ method(ObjectRef, getyaw),
+ method(ObjectRef, settexturemod),
+ method(ObjectRef, setsprite),
+ method(ObjectRef, get_entity_name),
+ method(ObjectRef, get_luaentity),
+ // Player-only
+ method(ObjectRef, get_player_name),
+ method(ObjectRef, get_look_dir),
+ method(ObjectRef, get_look_pitch),
+ method(ObjectRef, get_look_yaw),
+ {0,0}
+};
+
+// Creates a new anonymous reference if id=0
+static void objectref_get_or_create(lua_State *L,
+ ServerActiveObject *cobj)
+{
+ if(cobj->getId() == 0){
+ ObjectRef::create(L, cobj);
+ } else {
+ objectref_get(L, cobj->getId());
+ }
+}
+
+
+/*
+ PerlinNoise
+ */
+
+class LuaPerlinNoise
+{
+private:
+ int seed;
+ int octaves;
+ double persistence;
+ double scale;
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L)
+ {
+ LuaPerlinNoise *o = *(LuaPerlinNoise **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ static int l_get2d(lua_State *L)
+ {
+ LuaPerlinNoise *o = checkobject(L, 1);
+ v2f pos2d = read_v2f(L,2);
+ lua_Number val = noise2d_perlin(pos2d.X/o->scale, pos2d.Y/o->scale, o->seed, o->octaves, o->persistence);
+ lua_pushnumber(L, val);
+ return 1;
+ }
+ static int l_get3d(lua_State *L)
+ {
+ LuaPerlinNoise *o = checkobject(L, 1);
+ v3f pos3d = read_v3f(L,2);
+ lua_Number val = noise3d_perlin(pos3d.X/o->scale, pos3d.Y/o->scale, pos3d.Z/o->scale, o->seed, o->octaves, o->persistence);
+ lua_pushnumber(L, val);
+ return 1;
+ }
+
+public:
+ LuaPerlinNoise(int a_seed, int a_octaves, double a_persistence,
+ double a_scale):
+ seed(a_seed),
+ octaves(a_octaves),
+ persistence(a_persistence),
+ scale(a_scale)
+ {
+ }
+
+ ~LuaPerlinNoise()
+ {
+ }
+
+ // LuaPerlinNoise(seed, octaves, persistence, scale)
+ // Creates an LuaPerlinNoise and leaves it on top of stack
+ static int create_object(lua_State *L)
+ {
+ int seed = luaL_checkint(L, 1);
+ int octaves = luaL_checkint(L, 2);
+ double persistence = luaL_checknumber(L, 3);
+ double scale = luaL_checknumber(L, 4);
+ LuaPerlinNoise *o = new LuaPerlinNoise(seed, octaves, persistence, scale);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+
+ static LuaPerlinNoise* checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(LuaPerlinNoise**)ud; // unbox pointer
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Can be created from Lua (PerlinNoise(seed, octaves, persistence)
+ lua_register(L, className, create_object);
+ }
+};
+const char LuaPerlinNoise::className[] = "PerlinNoise";
+const luaL_reg LuaPerlinNoise::methods[] = {
+ method(LuaPerlinNoise, get2d),
+ method(LuaPerlinNoise, get3d),
+ {0,0}
+};
+
+/*
+ EnvRef
+*/
+
+class EnvRef
+{
+private:
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static int gc_object(lua_State *L) {
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ static EnvRef *checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(EnvRef**)ud; // unbox pointer
+ }
+
+ // Exported functions
+
+ // EnvRef:set_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_set_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_set_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // content
+ MapNode n = readnode(L, 3, env->getGameDef()->ndef());
+ // Do it
+ bool succeeded = env->getMap().addNodeWithEvent(pos, n);
+ lua_pushboolean(L, succeeded);
+ return 1;
+ }
+
+ static int l_add_node(lua_State *L)
+ {
+ return l_set_node(L);
+ }
+
+ // EnvRef:remove_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_remove_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_remove_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ bool succeeded = env->getMap().removeNodeWithEvent(pos);
+ lua_pushboolean(L, succeeded);
+ return 1;
+ }
+
+ // EnvRef:get_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ }
+
+ // EnvRef:get_node_or_nil(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node_or_nil(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_node()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ }
+
+ // EnvRef:get_node_light(pos, timeofday)
+ // pos = {x=num, y=num, z=num}
+ // timeofday: nil = current time, 0 = night, 0.5 = day
+ static int l_get_node_light(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 pos = read_v3s16(L, 2);
+ u32 time_of_day = env->getTimeOfDay();
+ if(lua_isnumber(L, 3))
+ time_of_day = 24000.0 * lua_tonumber(L, 3);
+ time_of_day %= 24000;
+ u32 dnr = time_to_daynight_ratio(time_of_day);
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ try{
+ MapNode n = env->getMap().getNode(pos);
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ lua_pushinteger(L, n.getLightBlend(dnr, ndef));
+ return 1;
+ } catch(InvalidPositionException &e)
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ }
+
+ // EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
+ // pos = {x=num, y=num, z=num}
+ static int l_add_entity(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_add_entity()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // content
+ const char *name = luaL_checkstring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+ int objectid = env->addActiveObject(obj);
+ // If failed to add, return nothing (reads as nil)
+ if(objectid == 0)
+ return 0;
+ // Return ObjectRef
+ objectref_get_or_create(L, obj);
+ return 1;
+ }
+
+ // EnvRef:add_item(pos, itemstack or itemstring or table) -> ObjectRef or nil
+ // pos = {x=num, y=num, z=num}
+ static int l_add_item(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_add_item()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = checkFloatPos(L, 2);
+ // item
+ ItemStack item = read_item(L, 3);
+ if(item.empty() || !item.isKnown(get_server(L)->idef()))
+ return 0;
+ // Use minetest.spawn_item to spawn a __builtin:item
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "spawn_item");
+ if(lua_isnil(L, -1))
+ return 0;
+ lua_pushvalue(L, 2);
+ lua_pushstring(L, item.getItemString().c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return 1;
+ /*lua_pushvalue(L, 1);
+ lua_pushstring(L, "__builtin:item");
+ lua_pushstring(L, item.getItemString().c_str());
+ return l_add_entity(L);*/
+ /*// Do it
+ ServerActiveObject *obj = createItemSAO(env, pos, item.getItemString());
+ int objectid = env->addActiveObject(obj);
+ // If failed to add, return nothing (reads as nil)
+ if(objectid == 0)
+ return 0;
+ // Return ObjectRef
+ objectref_get_or_create(L, obj);
+ return 1;*/
+ }
+
+ // EnvRef:add_rat(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_rat(lua_State *L)
+ {
+ infostream<<"EnvRef::l_add_rat(): C++ mobs have been removed."
+ <<" Doing nothing."<<std::endl;
+ return 0;
+ }
+
+ // EnvRef:add_firefly(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_firefly(lua_State *L)
+ {
+ infostream<<"EnvRef::l_add_firefly(): C++ mobs have been removed."
+ <<" Doing nothing."<<std::endl;
+ return 0;
+ }
+
+ // EnvRef:get_meta(pos)
+ static int l_get_meta(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_get_meta()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 p = read_v3s16(L, 2);
+ NodeMetaRef::create(L, p, env);
+ return 1;
+ }
+
+ // EnvRef:get_player_by_name(name)
+ static int l_get_player_by_name(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ const char *name = luaL_checkstring(L, 2);
+ Player *player = env->getPlayer(name);
+ if(player == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ PlayerSAO *sao = player->getPlayerSAO();
+ if(sao == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Put player on stack
+ objectref_get_or_create(L, sao);
+ return 1;
+ }
+
+ // EnvRef:get_objects_inside_radius(pos, radius)
+ static int l_get_objects_inside_radius(lua_State *L)
+ {
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ // Get environemnt
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3f pos = checkFloatPos(L, 2);
+ float radius = luaL_checknumber(L, 3) * BS;
+ std::set<u16> ids = env->getObjectsInsideRadius(pos, radius);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::set<u16>::const_iterator
+ i = ids.begin(); i != ids.end(); i++){
+ ServerActiveObject *obj = env->getActiveObject(*i);
+ // Insert object reference into table
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ objectref_get_or_create(L, obj);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ return 1;
+ }
+
+ // EnvRef:set_timeofday(val)
+ // val = 0...1
+ static int l_set_timeofday(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ float timeofday_f = luaL_checknumber(L, 2);
+ assert(timeofday_f >= 0.0 && timeofday_f <= 1.0);
+ int timeofday_mh = (int)(timeofday_f * 24000.0);
+ // This should be set directly in the environment but currently
+ // such changes aren't immediately sent to the clients, so call
+ // the server instead.
+ //env->setTimeOfDay(timeofday_mh);
+ get_server(L)->setTimeOfDay(timeofday_mh);
+ return 0;
+ }
+
+ // EnvRef:get_timeofday() -> 0...1
+ static int l_get_timeofday(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ int timeofday_mh = env->getTimeOfDay();
+ float timeofday_f = (float)timeofday_mh / 24000.0;
+ lua_pushnumber(L, timeofday_f);
+ return 1;
+ }
+
+
+ // EnvRef:find_node_near(pos, radius, nodenames) -> pos or nil
+ // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+ static int l_find_node_near(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = get_server(L)->ndef();
+ v3s16 pos = read_v3s16(L, 2);
+ int radius = luaL_checkinteger(L, 3);
+ std::set<content_t> filter;
+ if(lua_istable(L, 4)){
+ int table = 4;
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ ndef->getIds(lua_tostring(L, -1), filter);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, 4)){
+ ndef->getIds(lua_tostring(L, 4), filter);
+ }
+
+ for(int d=1; d<=radius; d++){
+ core::list<v3s16> list;
+ getFacePositions(list, d);
+ for(core::list<v3s16>::Iterator i = list.begin();
+ i != list.end(); i++){
+ v3s16 p = pos + (*i);
+ content_t c = env->getMap().getNodeNoEx(p).getContent();
+ if(filter.count(c) != 0){
+ push_v3s16(L, p);
+ return 1;
+ }
+ }
+ }
+ return 0;
+ }
+
+ // EnvRef:find_nodes_in_area(minp, maxp, nodenames) -> list of positions
+ // nodenames: eg. {"ignore", "group:tree"} or "default:dirt"
+ static int l_find_nodes_in_area(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = get_server(L)->ndef();
+ v3s16 minp = read_v3s16(L, 2);
+ v3s16 maxp = read_v3s16(L, 3);
+ std::set<content_t> filter;
+ if(lua_istable(L, 4)){
+ int table = 4;
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ ndef->getIds(lua_tostring(L, -1), filter);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, 4)){
+ ndef->getIds(lua_tostring(L, 4), filter);
+ }
+
+ // Get the table insert function
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(s16 x=minp.X; x<=maxp.X; x++)
+ for(s16 y=minp.Y; y<=maxp.Y; y++)
+ for(s16 z=minp.Z; z<=maxp.Z; z++)
+ {
+ v3s16 p(x,y,z);
+ content_t c = env->getMap().getNodeNoEx(p).getContent();
+ if(filter.count(c) != 0){
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ push_v3s16(L, p);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ }
+ return 1;
+ }
+
+ // EnvRef:get_perlin(seeddiff, octaves, persistence, scale)
+ // returns world-specific PerlinNoise
+ static int l_get_perlin(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ int seeddiff = luaL_checkint(L, 2);
+ int octaves = luaL_checkint(L, 3);
+ double persistence = luaL_checknumber(L, 4);
+ double scale = luaL_checknumber(L, 5);
+
+ LuaPerlinNoise *n = new LuaPerlinNoise(seeddiff + int(env->getServerMap().getSeed()), octaves, persistence, scale);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = n;
+ luaL_getmetatable(L, "PerlinNoise");
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+
+public:
+ EnvRef(ServerEnvironment *env):
+ m_env(env)
+ {
+ //infostream<<"EnvRef created"<<std::endl;
+ }
+
+ ~EnvRef()
+ {
+ //infostream<<"EnvRef destructing"<<std::endl;
+ }
+
+ // Creates an EnvRef and leaves it on top of stack
+ // Not callable from Lua; all references are created on the C side.
+ static void create(lua_State *L, ServerEnvironment *env)
+ {
+ EnvRef *o = new EnvRef(env);
+ //infostream<<"EnvRef::create: o="<<o<<std::endl;
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ }
+
+ static void set_null(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, -1);
+ o->m_env = NULL;
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Cannot be created from Lua
+ //lua_register(L, className, create_object);
+ }
+};
+const char EnvRef::className[] = "EnvRef";
+const luaL_reg EnvRef::methods[] = {
+ method(EnvRef, set_node),
+ method(EnvRef, add_node),
+ method(EnvRef, remove_node),
+ method(EnvRef, get_node),
+ method(EnvRef, get_node_or_nil),
+ method(EnvRef, get_node_light),
+ method(EnvRef, add_entity),
+ method(EnvRef, add_item),
+ method(EnvRef, add_rat),
+ method(EnvRef, add_firefly),
+ method(EnvRef, get_meta),
+ method(EnvRef, get_player_by_name),
+ method(EnvRef, get_objects_inside_radius),
+ method(EnvRef, set_timeofday),
+ method(EnvRef, get_timeofday),
+ method(EnvRef, find_node_near),
+ method(EnvRef, find_nodes_in_area),
+ method(EnvRef, get_perlin),
+ {0,0}
+};
+
+/*
+ LuaPseudoRandom
+*/
+
+
+class LuaPseudoRandom
+{
+private:
+ PseudoRandom m_pseudo;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ // Exported functions
+
+ // garbage collector
+ static int gc_object(lua_State *L)
+ {
+ LuaPseudoRandom *o = *(LuaPseudoRandom **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+ // next(self, min=0, max=32767) -> get next value
+ static int l_next(lua_State *L)
+ {
+ LuaPseudoRandom *o = checkobject(L, 1);
+ int min = 0;
+ int max = 32767;
+ lua_settop(L, 3); // Fill 2 and 3 with nil if they don't exist
+ if(!lua_isnil(L, 2))
+ min = luaL_checkinteger(L, 2);
+ if(!lua_isnil(L, 3))
+ max = luaL_checkinteger(L, 3);
+ if(max - min != 32767 && max - min > 32767/5)
+ throw LuaError(L, "PseudoRandom.next() max-min is not 32767 and is > 32768/5. This is disallowed due to the bad random distribution the implementation would otherwise make.");
+ PseudoRandom &pseudo = o->m_pseudo;
+ int val = pseudo.next();
+ val = (val % (max-min+1)) + min;
+ lua_pushinteger(L, val);
+ return 1;
+ }
+
+public:
+ LuaPseudoRandom(int seed):
+ m_pseudo(seed)
+ {
+ }
+
+ ~LuaPseudoRandom()
+ {
+ }
+
+ const PseudoRandom& getItem() const
+ {
+ return m_pseudo;
+ }
+ PseudoRandom& getItem()
+ {
+ return m_pseudo;
+ }
+
+ // LuaPseudoRandom(seed)
+ // Creates an LuaPseudoRandom and leaves it on top of stack
+ static int create_object(lua_State *L)
+ {
+ int seed = luaL_checknumber(L, 1);
+ LuaPseudoRandom *o = new LuaPseudoRandom(seed);
+ *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
+ luaL_getmetatable(L, className);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+
+ static LuaPseudoRandom* checkobject(lua_State *L, int narg)
+ {
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(LuaPseudoRandom**)ud; // unbox pointer
+ }
+
+ static void Register(lua_State *L)
+ {
+ lua_newtable(L);
+ int methodtable = lua_gettop(L);
+ luaL_newmetatable(L, className);
+ int metatable = lua_gettop(L);
+
+ lua_pushliteral(L, "__metatable");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+
+ lua_pushliteral(L, "__index");
+ lua_pushvalue(L, methodtable);
+ lua_settable(L, metatable);
+
+ lua_pushliteral(L, "__gc");
+ lua_pushcfunction(L, gc_object);
+ lua_settable(L, metatable);
+
+ lua_pop(L, 1); // drop metatable
+
+ luaL_openlib(L, 0, methods, 0); // fill methodtable
+ lua_pop(L, 1); // drop methodtable
+
+ // Can be created from Lua (LuaPseudoRandom(seed))
+ lua_register(L, className, create_object);
+ }
+};
+const char LuaPseudoRandom::className[] = "PseudoRandom";
+const luaL_reg LuaPseudoRandom::methods[] = {
+ method(LuaPseudoRandom, next),
+ {0,0}
+};
+
+
+
+/*
+ LuaABM
+*/
+
+class LuaABM : public ActiveBlockModifier
+{
+private:
+ lua_State *m_lua;
+ int m_id;
+
+ std::set<std::string> m_trigger_contents;
+ std::set<std::string> m_required_neighbors;
+ float m_trigger_interval;
+ u32 m_trigger_chance;
+public:
+ LuaABM(lua_State *L, int id,
+ const std::set<std::string> &trigger_contents,
+ const std::set<std::string> &required_neighbors,
+ float trigger_interval, u32 trigger_chance):
+ m_lua(L),
+ m_id(id),
+ m_trigger_contents(trigger_contents),
+ m_required_neighbors(required_neighbors),
+ m_trigger_interval(trigger_interval),
+ m_trigger_chance(trigger_chance)
+ {
+ }
+ virtual std::set<std::string> getTriggerContents()
+ {
+ return m_trigger_contents;
+ }
+ virtual std::set<std::string> getRequiredNeighbors()
+ {
+ return m_required_neighbors;
+ }
+ virtual float getTriggerInterval()
+ {
+ return m_trigger_interval;
+ }
+ virtual u32 getTriggerChance()
+ {
+ return m_trigger_chance;
+ }
+ virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n,
+ u32 active_object_count, u32 active_object_count_wider)
+ {
+ lua_State *L = m_lua;
+
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_abms
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_abms");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int registered_abms = lua_gettop(L);
+
+ // Get minetest.registered_abms[m_id]
+ lua_pushnumber(L, m_id);
+ lua_gettable(L, registered_abms);
+ if(lua_isnil(L, -1))
+ assert(0);
+
+ // Call action
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, "action");
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ push_v3s16(L, p);
+ pushnode(L, n, env->getGameDef()->ndef());
+ lua_pushnumber(L, active_object_count);
+ lua_pushnumber(L, active_object_count_wider);
+ if(lua_pcall(L, 4, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+};
+
+/*
+ ServerSoundParams
+*/
+
+static void read_server_sound_params(lua_State *L, int index,
+ ServerSoundParams ¶ms)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ // Clear
+ params = ServerSoundParams();
+ if(lua_istable(L, index)){
+ getfloatfield(L, index, "gain", params.gain);
+ getstringfield(L, index, "to_player", params.to_player);
+ lua_getfield(L, index, "pos");
+ if(!lua_isnil(L, -1)){
+ v3f p = read_v3f(L, -1)*BS;
+ params.pos = p;
+ params.type = ServerSoundParams::SSP_POSITIONAL;
+ }
+ lua_pop(L, 1);
+ lua_getfield(L, index, "object");
+ if(!lua_isnil(L, -1)){
+ ObjectRef *ref = ObjectRef::checkobject(L, -1);
+ ServerActiveObject *sao = ObjectRef::getobject(ref);
+ if(sao){
+ params.object = sao->getId();
+ params.type = ServerSoundParams::SSP_OBJECT;
+ }
+ }
+ lua_pop(L, 1);
+ params.max_hear_distance = BS*getfloatfield_default(L, index,
+ "max_hear_distance", params.max_hear_distance/BS);
+ getboolfield(L, index, "loop", params.loop);
+ }
+}
+
+/*
+ Global functions
+*/
+
+// debug(text)
+// Writes a line to dstream
+static int l_debug(lua_State *L)
+{
+ std::string text = lua_tostring(L, 1);
+ dstream << text << std::endl;
+ return 0;
+}
+
+// log([level,] text)
+// Writes a line to the logger.
+// The one-argument version logs to infostream.
+// The two-argument version accept a log level: error, action, info, or verbose.
+static int l_log(lua_State *L)
+{
+ std::string text;
+ LogMessageLevel level = LMT_INFO;
+ if(lua_isnone(L, 2))
+ {
+ text = lua_tostring(L, 1);
+ }
+ else
+ {
+ std::string levelname = lua_tostring(L, 1);
+ text = lua_tostring(L, 2);
+ if(levelname == "error")
+ level = LMT_ERROR;
+ else if(levelname == "action")
+ level = LMT_ACTION;
+ else if(levelname == "verbose")
+ level = LMT_VERBOSE;
+ }
+ log_printline(level, text);
+ return 0;
+}
+
+// register_item_raw({lots of stuff})
+static int l_register_item_raw(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table = 1;
+
+ // Get the writable item and node definition managers from the server
+ IWritableItemDefManager *idef =
+ get_server(L)->getWritableItemDefManager();
+ IWritableNodeDefManager *ndef =
+ get_server(L)->getWritableNodeDefManager();
+
+ // Check if name is defined
+ lua_getfield(L, table, "name");
+ if(lua_isstring(L, -1)){
+ std::string name = lua_tostring(L, -1);
+ verbosestream<<"register_item_raw: "<<name<<std::endl;
+ } else {
+ throw LuaError(L, "register_item_raw: name is not defined or not a string");
+ }
+
+ // Check if on_use is defined
+
+ // Read the item definition and register it
+ ItemDefinition def = read_item_definition(L, table);
+ idef->registerItem(def);
+
+ // Read the node definition (content features) and register it
+ if(def.type == ITEM_NODE)
+ {
+ ContentFeatures f = read_content_features(L, table);
+ ndef->set(f.name, f);
+ }
+
+ return 0; /* number of results */
+}
+
+// register_alias_raw(name, convert_to_name)
+static int l_register_alias_raw(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get the writable item definition manager from the server
+ IWritableItemDefManager *idef =
+ get_server(L)->getWritableItemDefManager();
+
+ idef->registerAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// helper for register_craft
+static bool read_craft_recipe_shaped(lua_State *L, int index,
+ int &width, std::vector<std::string> &recipe)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ int rowcount = 0;
+ while(lua_next(L, index) != 0){
+ int colcount = 0;
+ // key at index -2 and value at index -1
+ if(!lua_istable(L, -1))
+ return false;
+ int table2 = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table2) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_isstring(L, -1))
+ return false;
+ recipe.push_back(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ colcount++;
+ }
+ if(rowcount == 0){
+ width = colcount;
+ } else {
+ if(colcount != width)
+ return false;
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ rowcount++;
+ }
+ return width != 0;
+}
+
+// helper for register_craft
+static bool read_craft_recipe_shapeless(lua_State *L, int index,
+ std::vector<std::string> &recipe)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_isstring(L, -1))
+ return false;
+ recipe.push_back(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ return true;
+}
+
+// helper for register_craft
+static bool read_craft_replacements(lua_State *L, int index,
+ CraftReplacements &replacements)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ if(!lua_istable(L, index))
+ return false;
+
+ lua_pushnil(L);
+ while(lua_next(L, index) != 0){
+ // key at index -2 and value at index -1
+ if(!lua_istable(L, -1))
+ return false;
+ lua_rawgeti(L, -1, 1);
+ if(!lua_isstring(L, -1))
+ return false;
+ std::string replace_from = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ lua_rawgeti(L, -1, 2);
+ if(!lua_isstring(L, -1))
+ return false;
+ std::string replace_to = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ replacements.pairs.push_back(
+ std::make_pair(replace_from, replace_to));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ return true;
+}
+// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
+static int l_register_craft(lua_State *L)
+{
+ //infostream<<"register_craft"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table = 1;
+
+ // Get the writable craft definition manager from the server
+ IWritableCraftDefManager *craftdef =
+ get_server(L)->getWritableCraftDefManager();
+
+ std::string type = getstringfield_default(L, table, "type", "shaped");
+
+ /*
+ CraftDefinitionShaped
+ */
+ if(type == "shaped"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition is missing an output");
+
+ int width = 0;
+ std::vector<std::string> recipe;
+ lua_getfield(L, table, "recipe");
+ if(lua_isnil(L, -1))
+ throw LuaError(L, "Crafting definition is missing a recipe"
+ " (output=\"" + output + "\")");
+ if(!read_craft_recipe_shaped(L, -1, width, recipe))
+ throw LuaError(L, "Invalid crafting recipe"
+ " (output=\"" + output + "\")");
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionShaped(
+ output, width, recipe, replacements);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionShapeless
+ */
+ else if(type == "shapeless"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition (shapeless)"
+ " is missing an output");
+
+ std::vector<std::string> recipe;
+ lua_getfield(L, table, "recipe");
+ if(lua_isnil(L, -1))
+ throw LuaError(L, "Crafting definition (shapeless)"
+ " is missing a recipe"
+ " (output=\"" + output + "\")");
+ if(!read_craft_recipe_shapeless(L, -1, recipe))
+ throw LuaError(L, "Invalid crafting recipe"
+ " (output=\"" + output + "\")");
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionShapeless(
+ output, recipe, replacements);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionToolRepair
+ */
+ else if(type == "toolrepair"){
+ float additional_wear = getfloatfield_default(L, table,
+ "additional_wear", 0.0);
+
+ CraftDefinition *def = new CraftDefinitionToolRepair(
+ additional_wear);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionCooking
+ */
+ else if(type == "cooking"){
+ std::string output = getstringfield_default(L, table, "output", "");
+ if(output == "")
+ throw LuaError(L, "Crafting definition (cooking)"
+ " is missing an output");
+
+ std::string recipe = getstringfield_default(L, table, "recipe", "");
+ if(recipe == "")
+ throw LuaError(L, "Crafting definition (cooking)"
+ " is missing a recipe"
+ " (output=\"" + output + "\")");
+
+ float cooktime = getfloatfield_default(L, table, "cooktime", 3.0);
+
+ CraftDefinition *def = new CraftDefinitionCooking(
+ output, recipe, cooktime);
+ craftdef->registerCraft(def);
+ }
+ /*
+ CraftDefinitionFuel
+ */
+ else if(type == "fuel"){
+ std::string recipe = getstringfield_default(L, table, "recipe", "");
+ if(recipe == "")
+ throw LuaError(L, "Crafting definition (fuel)"
+ " is missing a recipe");
+
+ float burntime = getfloatfield_default(L, table, "burntime", 1.0);
+
+ CraftDefinition *def = new CraftDefinitionFuel(
+ recipe, burntime);
+ craftdef->registerCraft(def);
+ }
+ else
+ {
+ throw LuaError(L, "Unknown crafting definition type: \"" + type + "\"");
+ }
+
+ lua_pop(L, 1);
+ return 0; /* number of results */
+}
+
+// setting_set(name, value)
+static int l_setting_set(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *value = luaL_checkstring(L, 2);
+ g_settings->set(name, value);
+ return 0;
+}
+
+// setting_get(name)
+static int l_setting_get(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ std::string value = g_settings->get(name);
+ lua_pushstring(L, value.c_str());
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
+}
+
+// setting_getbool(name)
+static int l_setting_getbool(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ bool value = g_settings->getBool(name);
+ lua_pushboolean(L, value);
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
+}
+
+// chat_send_all(text)
+static int l_chat_send_all(lua_State *L)
+{
+ const char *text = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayers(narrow_to_wide(text));
+ return 0;
+}
+
+// chat_send_player(name, text)
+static int l_chat_send_player(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *text = luaL_checkstring(L, 2);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Send
+ server->notifyPlayer(name, narrow_to_wide(text));
+ return 0;
+}
+
+// get_player_privs(name, text)
+static int l_get_player_privs(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ // Get server from registry
+ Server *server = get_server(L);
+ // Do it
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ std::set<std::string> privs_s = server->getPlayerEffectivePrivs(name);
+ for(std::set<std::string>::const_iterator
+ i = privs_s.begin(); i != privs_s.end(); i++){
+ lua_pushboolean(L, true);
+ lua_setfield(L, table, i->c_str());
+ }
+ lua_pushvalue(L, table);
+ return 1;
+}
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
- }
+// get_inventory(location)
+static int l_get_inventory(lua_State *L)
+{
+ InventoryLocation loc;
-public:
- EnvRef(ServerEnvironment *env):
- m_env(env)
- {
- infostream<<"EnvRef created"<<std::endl;
+ std::string type = checkstringfield(L, 1, "type");
+ if(type == "player"){
+ std::string name = checkstringfield(L, 1, "name");
+ loc.setPlayer(name);
+ } else if(type == "node"){
+ lua_getfield(L, 1, "pos");
+ v3s16 pos = check_v3s16(L, -1);
+ loc.setNodeMeta(pos);
}
+
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
+}
- ~EnvRef()
- {
- infostream<<"EnvRef destructing"<<std::endl;
- }
+// get_dig_params(groups, tool_capabilities[, time_from_last_punch])
+static int l_get_dig_params(lua_State *L)
+{
+ std::map<std::string, int> groups;
+ read_groups(L, 1, groups);
+ ToolCapabilities tp = read_tool_capabilities(L, 2);
+ if(lua_isnoneornil(L, 3))
+ push_dig_params(L, getDigParams(groups, &tp));
+ else
+ push_dig_params(L, getDigParams(groups, &tp,
+ luaL_checknumber(L, 3)));
+ return 1;
+}
- // Creates an EnvRef and leaves it on top of stack
- // Not callable from Lua; all references are created on the C side.
- static void create(lua_State *L, ServerEnvironment *env)
- {
- EnvRef *o = new EnvRef(env);
- //infostream<<"EnvRef::create: o="<<o<<std::endl;
- *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
- luaL_getmetatable(L, className);
- lua_setmetatable(L, -2);
- }
+// get_hit_params(groups, tool_capabilities[, time_from_last_punch])
+static int l_get_hit_params(lua_State *L)
+{
+ std::map<std::string, int> groups;
+ read_groups(L, 1, groups);
+ ToolCapabilities tp = read_tool_capabilities(L, 2);
+ if(lua_isnoneornil(L, 3))
+ push_hit_params(L, getHitParams(groups, &tp));
+ else
+ push_hit_params(L, getHitParams(groups, &tp,
+ luaL_checknumber(L, 3)));
+ return 1;
+}
- static void set_null(lua_State *L)
- {
- EnvRef *o = checkobject(L, -1);
- o->m_env = NULL;
+// get_current_modname()
+static int l_get_current_modname(lua_State *L)
+{
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
+ return 1;
+}
+
+// get_modpath(modname)
+static int l_get_modpath(lua_State *L)
+{
+ std::string modname = luaL_checkstring(L, 1);
+ // Do it
+ if(modname == "__builtin"){
+ std::string path = get_server(L)->getBuiltinLuaPath();
+ lua_pushstring(L, path.c_str());
+ return 1;
}
-
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
+ const ModSpec *mod = get_server(L)->getModSpec(modname);
+ if(!mod){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_pushstring(L, mod->path.c_str());
+ return 1;
+}
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+// get_worldpath()
+static int l_get_worldpath(lua_State *L)
+{
+ std::string worldpath = get_server(L)->getWorldPath();
+ lua_pushstring(L, worldpath.c_str());
+ return 1;
+}
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
+// sound_play(spec, parameters)
+static int l_sound_play(lua_State *L)
+{
+ SimpleSoundSpec spec;
+ read_soundspec(L, 1, spec);
+ ServerSoundParams params;
+ read_server_sound_params(L, 2, params);
+ s32 handle = get_server(L)->playSound(spec, params);
+ lua_pushinteger(L, handle);
+ return 1;
+}
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
+// sound_stop(handle)
+static int l_sound_stop(lua_State *L)
+{
+ int handle = luaL_checkinteger(L, 1);
+ get_server(L)->stopSound(handle);
+ return 0;
+}
- lua_pop(L, 1); // drop metatable
+// is_singleplayer()
+static int l_is_singleplayer(lua_State *L)
+{
+ lua_pushboolean(L, get_server(L)->isSingleplayer());
+ return 1;
+}
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+// get_password_hash(name, raw_password)
+static int l_get_password_hash(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string raw_password = luaL_checkstring(L, 2);
+ std::string hash = translatePassword(name,
+ narrow_to_wide(raw_password));
+ lua_pushstring(L, hash.c_str());
+ return 1;
+}
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
- }
-};
-const char EnvRef::className[] = "EnvRef";
-const luaL_reg EnvRef::methods[] = {
- method(EnvRef, add_node),
- method(EnvRef, remove_node),
- method(EnvRef, get_node),
- method(EnvRef, get_node_or_nil),
- method(EnvRef, get_node_light),
- method(EnvRef, add_entity),
- method(EnvRef, add_item),
- method(EnvRef, add_rat),
- method(EnvRef, add_firefly),
- method(EnvRef, get_meta),
- method(EnvRef, get_player_by_name),
- method(EnvRef, get_objects_inside_radius),
- {0,0}
+// notify_authentication_modified(name)
+static int l_notify_authentication_modified(lua_State *L)
+{
+ std::string name = "";
+ if(lua_isstring(L, 1))
+ name = lua_tostring(L, 1);
+ get_server(L)->reportPrivsModified(name);
+ return 0;
+}
+
+static const struct luaL_Reg minetest_f [] = {
+ {"debug", l_debug},
+ {"log", l_log},
+ {"register_item_raw", l_register_item_raw},
+ {"register_alias_raw", l_register_alias_raw},
+ {"register_craft", l_register_craft},
+ {"setting_set", l_setting_set},
+ {"setting_get", l_setting_get},
+ {"setting_getbool", l_setting_getbool},
+ {"chat_send_all", l_chat_send_all},
+ {"chat_send_player", l_chat_send_player},
+ {"get_player_privs", l_get_player_privs},
+ {"get_inventory", l_get_inventory},
+ {"get_dig_params", l_get_dig_params},
+ {"get_hit_params", l_get_hit_params},
+ {"get_current_modname", l_get_current_modname},
+ {"get_modpath", l_get_modpath},
+ {"get_worldpath", l_get_worldpath},
+ {"sound_play", l_sound_play},
+ {"sound_stop", l_sound_stop},
+ {"is_singleplayer", l_is_singleplayer},
+ {"get_password_hash", l_get_password_hash},
+ {"notify_authentication_modified", l_notify_authentication_modified},
+ {NULL, NULL}
};
/*
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_export"<<std::endl;
+ verbosestream<<"scriptapi_export()"<<std::endl;
StackUnroller stack_unroller(L);
// Store server as light userdata in registry
lua_pushlightuserdata(L, server);
lua_setfield(L, LUA_REGISTRYINDEX, "minetest_server");
- // Store nil as minetest_nodedef_defaults in registry
- lua_pushnil(L);
- lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
-
// Register global functions in table minetest
lua_newtable(L);
luaL_register(L, NULL, minetest_f);
// Add tables to minetest
- lua_newtable(L);
- lua_setfield(L, -2, "registered_nodes");
- lua_newtable(L);
- lua_setfield(L, -2, "registered_entities");
- lua_newtable(L);
- lua_setfield(L, -2, "registered_craftitems");
- lua_newtable(L);
- lua_setfield(L, -2, "registered_abms");
-
lua_newtable(L);
lua_setfield(L, -2, "object_refs");
lua_newtable(L);
lua_setfield(L, -2, "luaentities");
- // Create entity prototype
- luaL_newmetatable(L, "minetest.entity");
- // metatable.__index = metatable
- lua_pushvalue(L, -1); // Duplicate metatable
- lua_setfield(L, -2, "__index");
- // Put functions in metatable
- luaL_register(L, NULL, minetest_entity_m);
- // Put other stuff in metatable
-
- // Register reference wrappers
+ // Register wrappers
+ LuaItemStack::Register(L);
+ InvRef::Register(L);
NodeMetaRef::Register(L);
- EnvRef::Register(L);
ObjectRef::Register(L);
+ EnvRef::Register(L);
+ LuaPseudoRandom::Register(L);
+ LuaPerlinNoise::Register(L);
}
bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_add_environment"<<std::endl;
+ verbosestream<<"scriptapi_add_environment"<<std::endl;
StackUnroller stack_unroller(L);
// Create EnvRef on stack
lua_settable(L, objectstable);
}
-bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
- const std::string &message)
+/*
+ misc
+*/
+
+// What scriptapi_run_callbacks does with the return values of callbacks.
+// Regardless of the mode, if only one callback is defined,
+// its return value is the total return value.
+// Modes only affect the case where 0 or >= 2 callbacks are defined.
+enum RunCallbacksMode
{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
+ // Returns the return value of the first callback
+ // Returns nil if list of callbacks is empty
+ RUN_CALLBACKS_MODE_FIRST,
+ // Returns the return value of the last callback
+ // Returns nil if list of callbacks is empty
+ RUN_CALLBACKS_MODE_LAST,
+ // If any callback returns a false value, the first such is returned
+ // Otherwise, the first callback's return value (trueish) is returned
+ // Returns true if list of callbacks is empty
+ RUN_CALLBACKS_MODE_AND,
+ // Like above, but stops calling callbacks (short circuit)
+ // after seeing the first false value
+ RUN_CALLBACKS_MODE_AND_SC,
+ // If any callback returns a true value, the first such is returned
+ // Otherwise, the first callback's return value (falseish) is returned
+ // Returns false if list of callbacks is empty
+ RUN_CALLBACKS_MODE_OR,
+ // Like above, but stops calling callbacks (short circuit)
+ // after seeing the first true value
+ RUN_CALLBACKS_MODE_OR_SC,
+ // Note: "a true value" and "a false value" refer to values that
+ // are converted by lua_toboolean to true or false, respectively.
+};
+
+// Push the list of callbacks (a lua table).
+// Then push nargs arguments.
+// Then call this function, which
+// - runs the callbacks
+// - removes the table and arguments from the lua stack
+// - pushes the return value, computed depending on mode
+static void scriptapi_run_callbacks(lua_State *L, int nargs,
+ RunCallbacksMode mode)
+{
+ // Insert the return value into the lua stack, below the table
+ assert(lua_gettop(L) >= nargs + 1);
+ lua_pushnil(L);
+ lua_insert(L, -(nargs + 1) - 1);
+ // Stack now looks like this:
+ // ... <return value = nil> <table> <arg#1> <arg#2> ... <arg#n>
+
+ int rv = lua_gettop(L) - nargs - 1;
+ int table = rv + 1;
+ int arg = table + 1;
+
+ luaL_checktype(L, table, LUA_TTABLE);
- // Get minetest.registered_on_chat_messages
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_chat_messages");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
// Foreach
lua_pushnil(L);
+ bool first_loop = true;
while(lua_next(L, table) != 0){
// key at index -2 and value at index -1
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call function
- lua_pushstring(L, name.c_str());
- lua_pushstring(L, message.c_str());
- if(lua_pcall(L, 2, 1, 0))
+ for(int i = 0; i < nargs; i++)
+ lua_pushvalue(L, arg+i);
+ if(lua_pcall(L, nargs, 1, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
- bool ate = lua_toboolean(L, -1);
- lua_pop(L, 1);
- if(ate)
- return true;
+
+ // Move return value to designated space in stack
+ // Or pop it
+ if(first_loop){
+ // Result of first callback is always moved
+ lua_replace(L, rv);
+ first_loop = false;
+ } else {
+ // Otherwise, what happens depends on the mode
+ if(mode == RUN_CALLBACKS_MODE_FIRST)
+ lua_pop(L, 1);
+ else if(mode == RUN_CALLBACKS_MODE_LAST)
+ lua_replace(L, rv);
+ else if(mode == RUN_CALLBACKS_MODE_AND ||
+ mode == RUN_CALLBACKS_MODE_AND_SC){
+ if(lua_toboolean(L, rv) == true &&
+ lua_toboolean(L, -1) == false)
+ lua_replace(L, rv);
+ else
+ lua_pop(L, 1);
+ }
+ else if(mode == RUN_CALLBACKS_MODE_OR ||
+ mode == RUN_CALLBACKS_MODE_OR_SC){
+ if(lua_toboolean(L, rv) == false &&
+ lua_toboolean(L, -1) == true)
+ lua_replace(L, rv);
+ else
+ lua_pop(L, 1);
+ }
+ else
+ assert(0);
+ }
+
+ // Handle short circuit modes
+ if(mode == RUN_CALLBACKS_MODE_AND_SC &&
+ lua_toboolean(L, rv) == false)
+ break;
+ else if(mode == RUN_CALLBACKS_MODE_OR_SC &&
+ lua_toboolean(L, rv) == true)
+ break;
+
// value removed, keep key for next iteration
}
- return false;
+
+ // Remove stuff from stack, leaving only the return value
+ lua_settop(L, rv);
+
+ // Fix return value in case no callbacks were called
+ if(first_loop){
+ if(mode == RUN_CALLBACKS_MODE_AND ||
+ mode == RUN_CALLBACKS_MODE_AND_SC){
+ lua_pop(L, 1);
+ lua_pushboolean(L, true);
+ }
+ else if(mode == RUN_CALLBACKS_MODE_OR ||
+ mode == RUN_CALLBACKS_MODE_OR_SC){
+ lua_pop(L, 1);
+ lua_pushboolean(L, false);
+ }
+ }
}
-/*
- misc
-*/
+bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
+ const std::string &message)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_chat_messages
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_chat_messages");
+ // Call callbacks
+ lua_pushstring(L, name.c_str());
+ lua_pushstring(L, message.c_str());
+ scriptapi_run_callbacks(L, 2, RUN_CALLBACKS_MODE_OR_SC);
+ bool ate = lua_toboolean(L, -1);
+ return ate;
+}
void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
{
// Get minetest.registered_on_newplayers
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_on_newplayers");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
- // Foreach
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- // value removed, keep key for next iteration
- }
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
}
-bool scriptapi_on_respawnplayer(lua_State *L, ServerActiveObject *player)
+
+void scriptapi_on_dieplayer(lua_State *L, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- bool positioning_handled_by_some = false;
+ // Get minetest.registered_on_dieplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_dieplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+bool scriptapi_on_respawnplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
// Get minetest.registered_on_respawnplayers
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_on_respawnplayers");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
- // Foreach
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- objectref_get_or_create(L, player);
- if(lua_pcall(L, 1, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- bool positioning_handled = lua_toboolean(L, -1);
- lua_pop(L, 1);
- if(positioning_handled)
- positioning_handled_by_some = true;
- // value removed, keep key for next iteration
- }
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_OR);
+ bool positioning_handled_by_some = lua_toboolean(L, -1);
return positioning_handled_by_some;
}
-void scriptapi_get_creative_inventory(lua_State *L, ServerRemotePlayer *player)
+void scriptapi_on_joinplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_joinplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_joinplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void scriptapi_on_leaveplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.registered_on_leaveplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_leaveplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
+}
+
+void scriptapi_get_creative_inventory(lua_State *L, ServerActiveObject *player)
{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ Inventory *inv = player->getInventory();
+ assert(inv);
+
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "creative_inventory");
luaL_checktype(L, -1, LUA_TTABLE);
- inventory_set_list_from_lua(&player->inventory, "main", L, -1,
- player->getEnv()->getGameDef(), PLAYER_INVENTORY_SIZE);
+ inventory_set_list_from_lua(inv, "main", L, -1, PLAYER_INVENTORY_SIZE);
}
-/*
- craftitem
-*/
-
-static void pushPointedThing(lua_State *L, const PointedThing& pointed)
+static void get_auth_handler(lua_State *L)
{
- lua_newtable(L);
- if(pointed.type == POINTEDTHING_NODE)
- {
- lua_pushstring(L, "node");
- lua_setfield(L, -2, "type");
- pushpos(L, pointed.node_undersurface);
- lua_setfield(L, -2, "under");
- pushpos(L, pointed.node_abovesurface);
- lua_setfield(L, -2, "above");
- }
- else if(pointed.type == POINTEDTHING_OBJECT)
- {
- lua_pushstring(L, "object");
- lua_setfield(L, -2, "type");
- objectref_get(L, pointed.object_id);
- lua_setfield(L, -2, "ref");
- }
- else
- {
- lua_pushstring(L, "nothing");
- lua_setfield(L, -2, "type");
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_auth_handler");
+ if(lua_isnil(L, -1)){
+ lua_pop(L, 1);
+ lua_getfield(L, -1, "builtin_auth_handler");
}
+ if(lua_type(L, -1) != LUA_TTABLE)
+ throw LuaError(L, "Authentication handler table not valid");
}
-void scriptapi_add_craftitem(lua_State *L, const char *name)
+bool scriptapi_get_auth(lua_State *L, const std::string &playername,
+ std::string *dst_password, std::set<std::string> *dst_privs)
{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- assert(lua_gettop(L) > 0);
-
- // Set minetest.registered_craftitems[name] = table on top of stack
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_craftitems");
+
+ get_auth_handler(L);
+ lua_getfield(L, -1, "get_auth");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing get_auth");
+ lua_pushstring(L, playername.c_str());
+ if(lua_pcall(L, 1, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+
+ // nil = login not allowed
+ if(lua_isnil(L, -1))
+ return false;
luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushvalue(L, -3); // push another reference to the table to be registered
- lua_setfield(L, -2, name); // set minetest.registered_craftitems[name]
+
+ std::string password;
+ bool found = getstringfield(L, -1, "password", password);
+ if(!found)
+ throw LuaError(L, "Authentication handler didn't return password");
+ if(dst_password)
+ *dst_password = password;
+
+ lua_getfield(L, -1, "privileges");
+ if(!lua_istable(L, -1))
+ throw LuaError(L,
+ "Authentication handler didn't return privilege table");
+ if(dst_privs)
+ read_privileges(L, -1, *dst_privs);
+ lua_pop(L, 1);
+
+ return true;
+}
+
+void scriptapi_create_auth(lua_State *L, const std::string &playername,
+ const std::string &password)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ get_auth_handler(L);
+ lua_getfield(L, -1, "create_auth");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing create_auth");
+ lua_pushstring(L, playername.c_str());
+ lua_pushstring(L, password.c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
}
-static bool get_craftitem_callback(lua_State *L, const char *name,
- const char *callbackname)
+bool scriptapi_set_password(lua_State *L, const std::string &playername,
+ const std::string &password)
{
- // Get minetest.registered_craftitems[name][callbackname]
- // If that is nil or on error, return false and stack is unchanged
- // If that is a function, returns true and pushes the
- // function onto the stack
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ get_auth_handler(L);
+ lua_getfield(L, -1, "set_password");
+ if(lua_type(L, -1) != LUA_TFUNCTION)
+ throw LuaError(L, "Authentication handler missing set_password");
+ lua_pushstring(L, playername.c_str());
+ lua_pushstring(L, password.c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return lua_toboolean(L, -1);
+}
+/*
+ item callbacks and node callbacks
+*/
+
+// Retrieves minetest.registered_items[name][callbackname]
+// If that is nil or on error, return false and stack is unchanged
+// If that is a function, returns true and pushes the
+// function onto the stack
+static bool get_item_callback(lua_State *L,
+ const char *name, const char *callbackname)
+{
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_craftitems");
+ lua_getfield(L, -1, "registered_items");
lua_remove(L, -2);
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, name);
// Should be a table
if(lua_type(L, -1) != LUA_TTABLE)
{
- errorstream<<"CraftItem name \""<<name<<"\" not defined"<<std::endl;
+ errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
lua_pop(L, 1);
return false;
}
}
else
{
- errorstream<<"CraftItem name \""<<name<<"\" callback \""
+ errorstream<<"Item \""<<name<<"\" callback \""
<<callbackname<<" is not a function"<<std::endl;
lua_pop(L, 1);
return false;
}
}
-bool scriptapi_craftitem_on_drop(lua_State *L, const char *name,
- ServerActiveObject *dropper, v3f pos,
- bool &callback_exists)
+bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
+ ServerActiveObject *dropper, v3f pos)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_craftitem_on_drop"<<std::endl;
StackUnroller stack_unroller(L);
- bool result = false;
- callback_exists = get_craftitem_callback(L, name, "on_drop");
- if(callback_exists)
- {
- // Call function
- lua_pushstring(L, name);
- objectref_get_or_create(L, dropper);
- pushFloatPos(L, pos);
- if(lua_pcall(L, 3, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- result = lua_toboolean(L, -1);
- }
- return result;
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_drop"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, dropper);
+ pushFloatPos(L, pos);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
}
-bool scriptapi_craftitem_on_place_on_ground(lua_State *L, const char *name,
- ServerActiveObject *placer, v3f pos,
- bool &callback_exists)
+bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
+ ServerActiveObject *placer, const PointedThing &pointed)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_craftitem_on_place_on_ground"<<std::endl;
StackUnroller stack_unroller(L);
- bool result = false;
- callback_exists = get_craftitem_callback(L, name, "on_place_on_ground");
- if(callback_exists)
- {
- // Call function
- lua_pushstring(L, name);
- objectref_get_or_create(L, placer);
- pushFloatPos(L, pos);
- if(lua_pcall(L, 3, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- result = lua_toboolean(L, -1);
- }
- return result;
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_place"))
+ return false;
+
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, placer);
+ push_pointed_thing(L, pointed);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
}
-bool scriptapi_craftitem_on_use(lua_State *L, const char *name,
- ServerActiveObject *user, const PointedThing& pointed,
- bool &callback_exists)
+bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
+ ServerActiveObject *user, const PointedThing &pointed)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_craftitem_on_use"<<std::endl;
StackUnroller stack_unroller(L);
- bool result = false;
- callback_exists = get_craftitem_callback(L, name, "on_use");
- if(callback_exists)
- {
- // Call function
- lua_pushstring(L, name);
- objectref_get_or_create(L, user);
- pushPointedThing(L, pointed);
- if(lua_pcall(L, 3, 1, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- result = lua_toboolean(L, -1);
- }
- return result;
-}
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_use"))
+ return false;
-/*
- environment
-*/
+ // Call function
+ LuaItemStack::create(L, item);
+ objectref_get_or_create(L, user);
+ push_pointed_thing(L, pointed);
+ if(lua_pcall(L, 3, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnil(L, -1))
+ item = read_item(L, -1);
+ return true;
+}
-void scriptapi_environment_step(lua_State *L, float dtime)
+bool scriptapi_node_on_punch(lua_State *L, v3s16 pos, MapNode node,
+ ServerActiveObject *puncher)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_environment_step"<<std::endl;
StackUnroller stack_unroller(L);
- // Get minetest.registered_globalsteps
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_globalsteps");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
- // Foreach
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- lua_pushnumber(L, dtime);
- if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- // value removed, keep key for next iteration
- }
-}
+ INodeDefManager *ndef = get_server(L)->ndef();
-void scriptapi_environment_on_placenode(lua_State *L, v3s16 p, MapNode newnode,
- ServerActiveObject *placer)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_environment_on_placenode"<<std::endl;
- StackUnroller stack_unroller(L);
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_punch"))
+ return false;
- // Get the writable node definition manager from the server
- IWritableNodeDefManager *ndef =
- get_server(L)->getWritableNodeDefManager();
-
- // Get minetest.registered_on_placenodes
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_placenodes");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
- // Foreach
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- pushpos(L, p);
- pushnode(L, newnode, ndef);
- objectref_get_or_create(L, placer);
- if(lua_pcall(L, 3, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- // value removed, keep key for next iteration
- }
+ // Call function
+ push_v3s16(L, pos);
+ pushnode(L, node, ndef);
+ objectref_get_or_create(L, puncher);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return true;
}
-void scriptapi_environment_on_dignode(lua_State *L, v3s16 p, MapNode oldnode,
+bool scriptapi_node_on_dig(lua_State *L, v3s16 pos, MapNode node,
ServerActiveObject *digger)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_environment_on_dignode"<<std::endl;
StackUnroller stack_unroller(L);
- // Get the writable node definition manager from the server
- IWritableNodeDefManager *ndef =
- get_server(L)->getWritableNodeDefManager();
-
- // Get minetest.registered_on_dignodes
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_dignodes");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
- // Foreach
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- pushpos(L, p);
- pushnode(L, oldnode, ndef);
- objectref_get_or_create(L, digger);
- if(lua_pcall(L, 3, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- // value removed, keep key for next iteration
- }
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_dig"))
+ return false;
+
+ // Call function
+ push_v3s16(L, pos);
+ pushnode(L, node, ndef);
+ objectref_get_or_create(L, digger);
+ if(lua_pcall(L, 3, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ return true;
}
-void scriptapi_environment_on_punchnode(lua_State *L, v3s16 p, MapNode node,
- ServerActiveObject *puncher)
+/*
+ environment
+*/
+
+void scriptapi_environment_step(lua_State *L, float dtime)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_environment_on_punchnode"<<std::endl;
+ //infostream<<"scriptapi_environment_step"<<std::endl;
StackUnroller stack_unroller(L);
- // Get the writable node definition manager from the server
- IWritableNodeDefManager *ndef =
- get_server(L)->getWritableNodeDefManager();
-
- // Get minetest.registered_on_punchnodes
+ // Get minetest.registered_globalsteps
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_punchnodes");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
- // Foreach
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- pushpos(L, p);
- pushnode(L, node, ndef);
- objectref_get_or_create(L, puncher);
- if(lua_pcall(L, 3, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- // value removed, keep key for next iteration
- }
+ lua_getfield(L, -1, "registered_globalsteps");
+ // Call callbacks
+ lua_pushnumber(L, dtime);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
}
-void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp)
+void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp,
+ u32 blockseed)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
// Get minetest.registered_on_generateds
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_on_generateds");
- luaL_checktype(L, -1, LUA_TTABLE);
- int table = lua_gettop(L);
- // Foreach
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- luaL_checktype(L, -1, LUA_TFUNCTION);
- // Call function
- pushpos(L, minp);
- pushpos(L, maxp);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s", lua_tostring(L, -1));
- // value removed, keep key for next iteration
- }
+ // Call callbacks
+ push_v3s16(L, minp);
+ push_v3s16(L, maxp);
+ lua_pushnumber(L, blockseed);
+ scriptapi_run_callbacks(L, 3, RUN_CALLBACKS_MODE_FIRST);
}
/*
luaentity
*/
-bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name,
- const std::string &staticdata)
+bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_luaentity_add: id="<<id<<" name=\""
+ verbosestream<<"scriptapi_luaentity_add: id="<<id<<" name=\""
<<name<<"\""<<std::endl;
StackUnroller stack_unroller(L);
lua_pushvalue(L, object); // Copy object to top of stack
lua_settable(L, -3);
+ return true;
+}
+
+void scriptapi_luaentity_activate(lua_State *L, u16 id,
+ const std::string &staticdata)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ verbosestream<<"scriptapi_luaentity_activate: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+
// Get on_activate function
lua_pushvalue(L, object);
lua_getfield(L, -1, "on_activate");
lua_pushlstring(L, staticdata.c_str(), staticdata.size());
// Call with 2 arguments, 0 results
if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error running function %s:on_activate: %s\n",
- name, lua_tostring(L, -1));
+ script_error(L, "error running function on_activate: %s\n",
+ lua_tostring(L, -1));
}
-
- return true;
}
void scriptapi_luaentity_rm(lua_State *L, u16 id)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_luaentity_rm: id="<<id<<std::endl;
+ verbosestream<<"scriptapi_luaentity_rm: id="<<id<<std::endl;
// Get minetest.luaentities table
lua_getglobal(L, "minetest");
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
+ //infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
StackUnroller stack_unroller(L);
// Get minetest.luaentities[id]
}
void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
- LuaEntityProperties *prop)
+ ObjectProperties *prop)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
+ //infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
StackUnroller stack_unroller(L);
// Get minetest.luaentities[id]
luaentity_get(L, id);
//int object = lua_gettop(L);
- /* Read stuff */
-
- getboolfield(L, -1, "physical", prop->physical);
-
- getfloatfield(L, -1, "weight", prop->weight);
-
- lua_getfield(L, -1, "collisionbox");
- if(lua_istable(L, -1))
- prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
- lua_pop(L, 1);
-
- getstringfield(L, -1, "visual", prop->visual);
+ // Set default values that differ from ObjectProperties defaults
+ prop->hp_max = 10;
- lua_getfield(L, -1, "visual_size");
- if(lua_istable(L, -1))
- prop->visual_size = read_v2f(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "textures");
- if(lua_istable(L, -1)){
- prop->textures.clear();
- int table = lua_gettop(L);
- lua_pushnil(L);
- while(lua_next(L, table) != 0){
- // key at index -2 and value at index -1
- if(lua_isstring(L, -1))
- prop->textures.push_back(lua_tostring(L, -1));
- else
- prop->textures.push_back("");
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- }
- lua_pop(L, 1);
+ // Deprecated: read object properties directly
+ read_object_properties(L, -1, prop);
- lua_getfield(L, -1, "spritediv");
- if(lua_istable(L, -1))
- prop->spritediv = read_v2s16(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, -1, "initial_sprite_basepos");
- if(lua_istable(L, -1))
- prop->initial_sprite_basepos = read_v2s16(L, -1);
+ // Read initial_properties
+ lua_getfield(L, -1, "initial_properties");
+ read_object_properties(L, -1, prop);
lua_pop(L, 1);
}
script_error(L, "error running function 'on_step': %s\n", lua_tostring(L, -1));
}
-// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch)
+// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch,
+// tool_capabilities, direction)
void scriptapi_luaentity_punch(lua_State *L, u16 id,
- ServerActiveObject *puncher, float time_from_last_punch)
+ ServerActiveObject *puncher, float time_from_last_punch,
+ const ToolCapabilities *toolcap, v3f dir)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
lua_pushvalue(L, object); // self
objectref_get_or_create(L, puncher); // Clicker reference
lua_pushnumber(L, time_from_last_punch);
- // Call with 2 arguments, 0 results
- if(lua_pcall(L, 3, 0, 0))
+ push_tool_capabilities(L, *toolcap);
+ push_v3f(L, dir);
+ // Call with 5 arguments, 0 results
+ if(lua_pcall(L, 5, 0, 0))
script_error(L, "error running function 'on_punch': %s\n", lua_tostring(L, -1));
}
projects / oweals / minetest.git / blobdiff