#include "scriptapi.h"
#include <iostream>
+#include <list>
extern "C" {
#include <lua.h>
#include <lualib.h>
#include "luaentity_common.h"
#include "content_sao.h" // For LuaEntitySAO
#include "tooldef.h"
-
-/*
-TODO:
-- Node definition
-- Random node triggers (like grass growth)
-- Deterministic node triggers (like falling sand)
-- Object visual client-side stuff
- - Blink effect
- - Spritesheets and animation
-- Named node types and dynamic id allocation per MapBlock
-- LuaNodeMetadata
- blockdef.has_metadata = true/false
- - Stores an inventory and stuff in a Settings object
- meta.inventory_add_list("main")
- blockdef.on_inventory_modified
- meta.set("owner", playername)
- meta.get("owner")
-- Item definition (actually, only CraftItem)
-*/
+#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"
static void stackDump(lua_State *L, std::ostream &o)
{
}
};
-v3f readFloatPos(lua_State *L, int index)
+static v3f readFloatPos(lua_State *L, int index)
{
v3f pos;
- lua_pushvalue(L, index); // Push pos
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, "x");
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "x");
pos.X = lua_tonumber(L, -1);
lua_pop(L, 1);
- lua_getfield(L, -1, "y");
+ lua_getfield(L, index, "y");
pos.Y = lua_tonumber(L, -1);
lua_pop(L, 1);
- lua_getfield(L, -1, "z");
+ lua_getfield(L, index, "z");
pos.Z = lua_tonumber(L, -1);
lua_pop(L, 1);
- lua_pop(L, 1); // Pop pos
pos *= BS; // Scale to internal format
return pos;
}
+static void pushFloatPos(lua_State *L, v3f p)
+{
+ p /= BS;
+ 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 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");
+}
+
+static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
+{
+ lua_getfield(L, index, "name");
+ const char *name = lua_tostring(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);
+}
+
+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;
+}
+
+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;
+}
+
+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;
+}
+
+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);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static bool getintfield(lua_State *L, int table,
+ const char *fieldname, int &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isnumber(L, -1)){
+ result = lua_tonumber(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static bool getfloatfield(lua_State *L, int table,
+ const char *fieldname, float &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isnumber(L, -1)){
+ result = lua_tonumber(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static bool getboolfield(lua_State *L, int table,
+ const char *fieldname, bool &result)
+{
+ lua_getfield(L, table, fieldname);
+ bool got = false;
+ if(lua_isboolean(L, -1)){
+ result = lua_toboolean(L, -1);
+ got = true;
+ }
+ lua_pop(L, 1);
+ return got;
+}
+
+static std::string getstringfield_default(lua_State *L, int table,
+ const char *fieldname, const std::string &default_)
+{
+ std::string result = default_;
+ getstringfield(L, table, fieldname, result);
+ return result;
+}
+
+static int getintfield_default(lua_State *L, int table,
+ const char *fieldname, int default_)
+{
+ int result = default_;
+ getintfield(L, table, fieldname, result);
+ return result;
+}
+
+/*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_)
+{
+ bool result = default_;
+ getboolfield(L, table, fieldname, result);
+ return result;
+}
+
+struct EnumString
+{
+ int num;
+ const char *str;
+};
+
+static bool string_to_enum(const EnumString *spec, int &result,
+ const std::string &str)
+{
+ const EnumString *esp = spec;
+ while(esp->str){
+ if(str == std::string(esp->str)){
+ result = esp->num;
+ return true;
+ }
+ esp++;
+ }
+ return false;
+}
+
+/*static bool enum_to_string(const EnumString *spec, std::string &result,
+ int num)
+{
+ const EnumString *esp = spec;
+ while(esp){
+ if(num == esp->num){
+ result = esp->str;
+ return true;
+ }
+ esp++;
+ }
+ return false;
+}*/
+
+static int getenumfield(lua_State *L, int table,
+ const char *fieldname, const EnumString *spec, int default_)
+{
+ int result = default_;
+ string_to_enum(spec, result,
+ getstringfield_default(L, table, fieldname, ""));
+ return result;
+}
+
+struct EnumString es_DrawType[] =
+{
+ {NDT_NORMAL, "normal"},
+ {NDT_AIRLIKE, "airlike"},
+ {NDT_LIQUID, "liquid"},
+ {NDT_FLOWINGLIQUID, "flowingliquid"},
+ {NDT_GLASSLIKE, "glasslike"},
+ {NDT_ALLFACES, "allfaces"},
+ {NDT_ALLFACES_OPTIONAL, "allfaces_optional"},
+ {NDT_TORCHLIKE, "torchlike"},
+ {NDT_SIGNLIKE, "signlike"},
+ {NDT_PLANTLIKE, "plantlike"},
+ {NDT_FENCELIKE, "fencelike"},
+ {NDT_RAILLIKE, "raillike"},
+ {0, NULL},
+};
+
+struct EnumString es_ContentParamType[] =
+{
+ {CPT_NONE, "none"},
+ {CPT_LIGHT, "light"},
+ {CPT_MINERAL, "mineral"},
+ {CPT_FACEDIR_SIMPLE, "facedir_simple"},
+ {0, NULL},
+};
+
+struct EnumString es_LiquidType[] =
+{
+ {LIQUID_NONE, "none"},
+ {LIQUID_FLOWING, "flowing"},
+ {LIQUID_SOURCE, "source"},
+ {0, NULL},
+};
+
+struct EnumString es_NodeBoxType[] =
+{
+ {NODEBOX_REGULAR, "regular"},
+ {NODEBOX_FIXED, "fixed"},
+ {NODEBOX_WALLMOUNTED, "wallmounted"},
+ {0, NULL},
+};
+
+struct EnumString es_Diggability[] =
+{
+ {DIGGABLE_NOT, "not"},
+ {DIGGABLE_NORMAL, "normal"},
+ {DIGGABLE_CONSTANT, "constant"},
+ {0, NULL},
+};
+
/*
Global functions
*/
+static int l_register_nodedef_defaults(lua_State *L)
+{
+ 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;
+}
+
// Register new object prototype
// register_entity(name, prototype)
static int l_register_entity(lua_State *L)
return 0; /* number of results */
}
-// Register a global step function
-// register_globalstep(function)
-static int l_register_globalstep(lua_State *L)
+class LuaABM : public ActiveBlockModifier
{
- luaL_checktype(L, 1, LUA_TFUNCTION);
- infostream<<"register_globalstep"<<std::endl;
+private:
+ lua_State *m_lua;
+ int m_id;
- lua_getglobal(L, "table");
- lua_getfield(L, -1, "insert");
- int table_insert = lua_gettop(L);
- // Get minetest.registered_globalsteps
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_globalsteps");
- luaL_checktype(L, -1, LUA_TTABLE);
- int registered_globalsteps = lua_gettop(L);
- // table.insert(registered_globalsteps, func)
- lua_pushvalue(L, table_insert);
- lua_pushvalue(L, registered_globalsteps);
- lua_pushvalue(L, 1); // push function from argument 1
- // Call insert
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ std::set<std::string> m_trigger_contents;
+ float m_trigger_interval;
+ u32 m_trigger_chance;
+public:
+ LuaABM(lua_State *L, int id,
+ const std::set<std::string> &trigger_contents,
+ float trigger_interval, u32 trigger_chance):
+ m_lua(L),
+ m_id(id),
+ m_trigger_contents(trigger_contents),
+ m_trigger_interval(trigger_interval),
+ m_trigger_chance(trigger_chance)
+ {
+ }
+ virtual std::set<std::string> getTriggerContents()
+ {
+ return m_trigger_contents;
+ }
+ 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);
- return 0; /* number of results */
-}
+ // 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\n", lua_tostring(L, -1));
+ }
+};
-#if 0
-// Clear all registered tools
-// deregister_tools()
-static int l_deregister_tools(lua_State *L)
+// register_abm({...})
+static int l_register_abm(lua_State *L)
{
- infostream<<"deregister_tools"<<std::endl;
+ infostream<<"register_abm"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
- // Get server from registry
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
- Server *server = (Server*)lua_touserdata(L, -1);
- // And get the writable tool definition manager from the server
- IWritableToolDefManager *tooldef =
- server->getWritableToolDefManager();
-
- tooldef->clear();
+ // 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++;
+ }
+ 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 */
}
-#endif
// register_tool(name, {lots of stuff})
static int l_register_tool(lua_State *L)
const char *name = luaL_checkstring(L, 1);
infostream<<"register_tool: "<<name<<std::endl;
luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
// Get server from registry
lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
IWritableToolDefManager *tooldef =
server->getWritableToolDefManager();
- int table = 2;
-
ToolDefinition def;
-
- lua_getfield(L, table, "image");
- if(lua_isstring(L, -1))
- def.imagename = lua_tostring(L, -1);
- lua_pop(L, 1);
- lua_getfield(L, table, "basetime");
- def.properties.basetime = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dt_weight");
- def.properties.dt_weight = lua_tonumber(L, -1);
- lua_pop(L, 1);
-
- lua_getfield(L, table, "dt_crackiness");
- def.properties.dt_crackiness = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ getstringfield(L, table, "image", def.imagename);
+ getfloatfield(L, table, "basetime", def.properties.basetime);
+ getfloatfield(L, table, "dt_weight", def.properties.dt_weight);
+ getfloatfield(L, table, "dt_crackiness", def.properties.dt_crackiness);
+ getfloatfield(L, table, "dt_crumbliness", def.properties.dt_crumbliness);
+ getfloatfield(L, table, "dt_cuttability", def.properties.dt_cuttability);
+ getfloatfield(L, table, "basedurability", def.properties.basedurability);
+ getfloatfield(L, table, "dd_weight", def.properties.dd_weight);
+ getfloatfield(L, table, "dd_crackiness", def.properties.dd_crackiness);
+ getfloatfield(L, table, "dd_crumbliness", def.properties.dd_crumbliness);
+ getfloatfield(L, table, "dd_cuttability", def.properties.dd_cuttability);
- lua_getfield(L, table, "dt_crumbliness");
- def.properties.dt_crumbliness = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ tooldef->registerTool(name, def);
+ return 0; /* number of results */
+}
- lua_getfield(L, table, "dt_cuttability");
- def.properties.dt_cuttability = lua_tonumber(L, -1);
- lua_pop(L, 1);
+// register_craftitem(name, {lots of stuff})
+static int l_register_craftitem(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ infostream<<"register_craftitem: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
- lua_getfield(L, table, "basedurability");
- def.properties.basedurability = lua_tonumber(L, -1);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ server->getWritableCraftItemDefManager();
+
+ // Check if on_drop is defined
+ lua_getfield(L, table, "on_drop");
+ bool got_on_drop = !lua_isnil(L, -1);
lua_pop(L, 1);
- lua_getfield(L, table, "dd_weight");
- def.properties.dd_weight = lua_tonumber(L, -1);
+ // Check if on_use is defined
+ lua_getfield(L, table, "on_use");
+ bool got_on_use = !lua_isnil(L, -1);
lua_pop(L, 1);
- lua_getfield(L, table, "dd_crackiness");
- def.properties.dd_crackiness = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ CraftItemDefinition def;
+
+ getstringfield(L, table, "image", def.imagename);
+ getstringfield(L, table, "cookresult_item", 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);
- lua_getfield(L, table, "dd_crumbliness");
- def.properties.dd_crumbliness = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ // If an on_drop callback is defined, force dropcount to 1
+ if (got_on_drop)
+ def.dropcount = 1;
- lua_getfield(L, table, "dd_cuttability");
- def.properties.dd_cuttability = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ // Register it
+ craftitemdef->registerCraftItem(name, def);
- tooldef->registerTool(name, def);
+ lua_pushvalue(L, table);
+ scriptapi_add_craftitem(L, name);
return 0; /* number of results */
}
-static const struct luaL_Reg minetest_f [] = {
- {"register_entity", l_register_entity},
- {"register_globalstep", l_register_globalstep},
- //{"deregister_tools", l_deregister_tools},
- {"register_tool", l_register_tool},
- {NULL, NULL}
-};
+// register_node(name, {lots of stuff})
+static int l_register_node(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ infostream<<"register_node: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int nodedef_table = 2;
-/*
- LuaEntity functions
-*/
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable node definition manager from the server
+ IWritableNodeDefManager *nodedef =
+ server->getWritableNodeDefManager();
+
+ // Get default node definition from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
+ int nodedef_default = lua_gettop(L);
-static const struct luaL_Reg minetest_entity_m [] = {
- {NULL, NULL}
-};
+ /*
+ Add to minetest.registered_nodes with default as metatable
+ */
+
+ // Get the node definition table given as parameter
+ lua_pushvalue(L, nodedef_table);
-/*
- Getters for stuff in main tables
-*/
+ // Set __index to point to itself
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
-static void objectref_get(lua_State *L, u16 id)
-{
- // Get minetest.object_refs[i]
+ // 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, "object_refs");
+ lua_getfield(L, -1, "registered_nodes");
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_pushstring(L, name);
+ lua_pushvalue(L, nodedef_table);
+ lua_settable(L, -3);
-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
-}
+ /*
+ Create definition
+ */
+
+ ContentFeatures f;
-/*
- Reference objects
-*/
-#define method(class, name) {#name, class::l_##name}
+ // 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");
-class EnvRef
-{
-private:
- ServerEnvironment *m_env;
+ /*
+ Read definiton from Lua
+ */
- static const char className[];
- static const luaL_reg methods[];
+ f.name = name;
+
+ /* Visual definition */
- 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
+ f.drawtype = (NodeDrawType)getenumfield(L, nodedef_table, "drawtype", es_DrawType,
+ NDT_NORMAL);
+ getfloatfield(L, nodedef_table, "visual_scale", f.visual_scale);
+
+ lua_getfield(L, nodedef_table, "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;
+ }
+ }
+ // 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++;
+ }
+ }
+ }
+ 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);
+
+ f.alpha = getintfield_default(L, nodedef_table, "alpha", 255);
+
+ /* Other stuff */
- // Exported functions
+ lua_getfield(L, nodedef_table, "post_effect_color");
+ if(!lua_isnil(L, -1))
+ f.post_effect_color = readARGB8(L, -1);
+ lua_pop(L, 1);
- // EnvRef:add_node(pos, content)
- // pos = {x=num, y=num, z=num}
- // content = number
- static int l_add_node(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;
- lua_pushvalue(L, 2); // Push pos
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, "x");
- pos.X = lua_tonumber(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);
+ getboolfield(L, nodedef_table, "light_propagates", f.light_propagates);
+ 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);
+
+ 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, "y");
- pos.Y = lua_tonumber(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, "z");
- pos.Z = lua_tonumber(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_pop(L, 1); // Pop pos
- // content
- u16 content = 0;
- lua_pushvalue(L, 3); // Push content
- content = lua_tonumber(L, -1);
- lua_pop(L, 1); // Pop content
- // Do it
- env->getMap().addNodeWithEvent(pos, MapNode(content));
- return 0;
- }
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
+ 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);
-public:
- EnvRef(ServerEnvironment *env):
- m_env(env)
- {
- infostream<<"EnvRef created"<<std::endl;
+ 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);
- ~EnvRef()
- {
- infostream<<"EnvRef destructing"<<std::endl;
- }
+ getstringfield(L, nodedef_table, "cookresult_item", 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 */
+}
- // 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);
- }
+// 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;
- static void set_null(lua_State *L)
- {
- EnvRef *o = checkobject(L, -1);
- o->m_env = NULL;
- }
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable craft definition manager from the server
+ IWritableCraftDefManager *craftdef =
+ server->getWritableCraftDefManager();
- static void Register(lua_State *L)
- {
- lua_newtable(L);
- int methodtable = lua_gettop(L);
- luaL_newmetatable(L, className);
- int metatable = lua_gettop(L);
+ std::string output;
+ int width = 0;
+ std::vector<std::string> input;
- lua_pushliteral(L, "__metatable");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable); // hide metatable from Lua getmetatable()
+ lua_getfield(L, table0, "output");
+ luaL_checktype(L, -1, LUA_TSTRING);
+ if(lua_isstring(L, -1))
+ output = lua_tostring(L, -1);
+ lua_pop(L, 1);
- lua_pushliteral(L, "__index");
- lua_pushvalue(L, methodtable);
- lua_settable(L, metatable);
+ lua_getfield(L, table0, "recipe");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_istable(L, -1)){
+ int table1 = lua_gettop(L);
+ lua_pushnil(L);
+ int rowcount = 0;
+ while(lua_next(L, table1) != 0){
+ int colcount = 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){
+ script_error(L, "error: %s\n", "Invalid crafting recipe");
+ }
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ rowcount++;
+ }
+ }
+ lua_pop(L, 1);
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- lua_settable(L, metatable);
+ CraftDefinition def(output, width, input);
+ craftdef->registerCraft(def);
- lua_pop(L, 1); // drop metatable
+ return 0; /* number of results */
+}
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+// 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;
+}
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
+// 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
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // 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
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // 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
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // 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_pushvalue(L, table);
+ return 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},
+ {"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},
+ {NULL, NULL}
};
-const char EnvRef::className[] = "EnvRef";
-const luaL_reg EnvRef::methods[] = {
- method(EnvRef, add_node),
- {0,0}
+
+/*
+ LuaEntity functions
+*/
+
+static const struct luaL_Reg minetest_entity_m [] = {
+ {NULL, NULL}
};
-class ObjectRef
+/*
+ Getters for stuff in main tables
+*/
+
+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
+}
+
+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
+}
+
+/*
+ Reference wrappers
+*/
+
+#define method(class, name) {#name, class::l_##name}
+
+/*
+ NodeMetaRef
+*/
+
+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
+ return *(NodeMetaRef**)ud; // unbox pointer
}
- static ServerActiveObject* getobject(ObjectRef *ref)
+ static NodeMetadata* getmeta(NodeMetaRef *ref)
{
- ServerActiveObject *co = ref->m_object;
- return co;
+ NodeMetadata *meta = ref->m_env->getMap().getNodeMetadata(ref->m_p);
+ return meta;
}
-
- static LuaEntitySAO* getluaobject(ObjectRef *ref)
+
+ /*static IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
{
- ServerActiveObject *obj = getobject(ref);
- if(obj == NULL)
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL)
return NULL;
- if(obj->getType() != ACTIVEOBJECT_TYPE_LUAENTITY)
+ if(meta->typeId() != NODEMETA_GENERIC)
return NULL;
- return (LuaEntitySAO*)obj;
+ return (IGenericNodeMetadata*)meta;
+ }*/
+
+ static void reportMetadataChange(NodeMetaRef *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");
}
// 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_type(self)
+ static int l_get_type(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;
- return 0;
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // Do it
+ lua_pushstring(L, meta->typeName());
+ return 1;
}
-
- // getpos(self)
- // returns: {x=num, y=num, z=num}
- static int l_getpos(lua_State *L)
+
+ // allows_text_input(self)
+ static int l_allows_text_input(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");
+ 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)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string text = lua_tostring(L, 2);
+ meta->setText(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // get_text(self)
+ static int l_get_text(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());
+ return 1;
+ }
+
+ // get_owner(self)
+ static int l_get_owner(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());
+ return 1;
+ }
+
+ /* IGenericNodeMetadata interface */
+
+ // set_infotext(self, text)
+ static int l_set_infotext(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 = lua_tostring(L, 2);
+ meta->setInfoText(text);
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // inventory_set_list(self, name, {item1, item2, ...})
+ static int l_inventory_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();
+ std::string name = lua_tostring(L, 2);
+ // If nil, delete list
+ if(lua_isnil(L, 3)){
+ inv->deleteList(name);
+ return 0;
+ }
+ // Otherwise set list
+ std::list<std::string> items;
+ luaL_checktype(L, 3, LUA_TTABLE);
+ int table = 3;
+ lua_pushnil(L);
+ infostream<<"items: ";
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ std::string itemstring = lua_tostring(L, -1);
+ infostream<<"\""<<itemstring<<"\" ";
+ items.push_back(itemstring);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ infostream<<std::endl;
+ InventoryList *invlist = inv->addList(name, items.size());
+ int index = 0;
+ for(std::list<std::string>::const_iterator
+ i = items.begin(); i != items.end(); i++){
+ const std::string &itemstring = *i;
+ InventoryItem *newitem = NULL;
+ if(itemstring != "")
+ newitem = InventoryItem::deSerialize(itemstring,
+ ref->m_env->getGameDef());
+ InventoryItem *olditem = invlist->changeItem(index, newitem);
+ delete olditem;
+ index++;
+ }
+ reportMetadataChange(ref);
+ return 0;
+ }
+
+ // inventory_get_list(self, name)
+ static int l_inventory_get_list(lua_State *L)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ Inventory *inv = meta->getInventory();
+ std::string name = lua_tostring(L, 2);
+ InventoryList *invlist = inv->getList(name);
+ if(invlist == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ // 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_pushnil(L);
+ } else {
+ lua_pushstring(L, item->getItemString().c_str());
+ }
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s\n", lua_tostring(L, -1));
+ }
+ 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 = lua_tostring(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)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->isInventoryModified());
+ 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)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ lua_pushboolean(L, meta->isTextModified());
+ 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 = lua_tostring(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)
+ {
+ NodeMetaRef *ref = checkobject(L, 1);
+ NodeMetadata *meta = getmeta(ref);
+ if(meta == NULL) return 0;
+ // Do it
+ std::string name = lua_tostring(L, 2);
+ std::string str = meta->getString(name);
+ lua_pushlstring(L, str.c_str(), str.size());
+ return 1;
+ }
+
+public:
+ NodeMetaRef(v3s16 p, ServerEnvironment *env):
+ m_p(p),
+ m_env(env)
+ {
+ }
+
+ ~NodeMetaRef()
+ {
+ }
+
+ // 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)
+ {
+ 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 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 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),
+ {0,0}
+};
+
+/*
+ ObjectRef
+*/
+
+class ObjectRef
+{
+private:
+ ServerActiveObject *m_object;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ 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 *(ObjectRef**)ud; // unbox pointer
+ }
+
+ static ServerActiveObject* getobject(ObjectRef *ref)
+ {
+ ServerActiveObject *co = ref->m_object;
+ return co;
+ }
+
+ 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 ServerRemotePlayer* getplayer(ObjectRef *ref)
+ {
+ ServerActiveObject *obj = getobject(ref);
+ if(obj == NULL)
+ return NULL;
+ if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
+ return NULL;
+ return static_cast<ServerRemotePlayer*>(obj);
+ }
+
+ // 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;
+ }
+
+ // remove(self)
+ static int l_remove(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;
+ return 0;
+ }
+
+ // getpos(self)
+ // returns: {x=num, y=num, z=num}
+ static int l_getpos(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);
return 0;
}
+ // setvelocity(self, velocity)
+ 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, acceleration)
+ static int l_setacceleration(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);
+ 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;
+ }
+
// add_to_inventory(self, itemstring)
- // returns: true if item was added, false otherwise
+ // returns: true if item was added, (false, "reason") otherwise
static int l_add_to_inventory(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
ServerEnvironment *env = co->getEnv();
assert(env);
IGameDef *gamedef = env->getGameDef();
- InventoryItem *item = InventoryItem::deSerialize(is, gamedef);
- infostream<<"item="<<env<<std::endl;
- bool fits = co->addToInventory(item);
- // Return
- lua_pushboolean(L, fits);
- return 1;
- }
-
-public:
- ObjectRef(ServerActiveObject *object):
- m_object(object)
- {
- //infostream<<"ObjectRef created for id="<<m_object->getId()<<std::endl;
+ 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, "does not fit");
+ return 2;
+ } catch(SerializationError &e){
+ // Return
+ lua_pushboolean(L, false);
+ lua_pushstring(L, (std::string("Invalid item: ")
+ + e.what()).c_str());
+ return 2;
+ }
}
- ~ObjectRef()
+ // add_to_inventory_later(self, itemstring)
+ // returns: nil
+ static int l_add_to_inventory_later(lua_State *L)
{
- /*if(m_object)
+ ObjectRef *ref = checkobject(L, 1);
+ luaL_checkstring(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // itemstring
+ const char *itemstring = lua_tostring(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;
+ }
+
+ // 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)
+ {
+ 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;
+ }
+
+ // 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
+ return 0;
+ }
+
+ // 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 = lua_tostring(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;
+ }
+
+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
lua_pushvalue(L, methodtable);
lua_settable(L, metatable);
- lua_pushliteral(L, "__gc");
- lua_pushcfunction(L, gc_object);
- 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[] = {
+ method(ObjectRef, remove),
+ method(ObjectRef, getpos),
+ method(ObjectRef, setpos),
+ method(ObjectRef, moveto),
+ method(ObjectRef, setvelocity),
+ method(ObjectRef, setacceleration),
+ method(ObjectRef, add_to_inventory),
+ method(ObjectRef, add_to_inventory_later),
+ method(ObjectRef, get_hp),
+ method(ObjectRef, set_hp),
+ method(ObjectRef, settexturemod),
+ method(ObjectRef, setsprite),
+ {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
+*/
+
+class EnvRef
+{
+private:
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ 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:add_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_node(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;
+ }
+
+ // 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 = readpos(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 = readpos(L, 2);
+ // Do it
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ // Return node
+ pushnode(L, n, env->getGameDef()->ndef());
+ return 1;
+ }
+
+ // EnvRef:add_luaentity(pos, entityname)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_luaentity(lua_State *L)
+ {
+ //infostream<<"EnvRef::l_add_luaentity()"<<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 = lua_tostring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
+ env->addActiveObject(obj);
+ return 0;
+ }
+
+ // EnvRef:add_item(pos, inventorystring)
+ // 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 = readFloatPos(L, 2);
+ // inventorystring
+ const char *inventorystring = lua_tostring(L, 3);
+ // Do it
+ ServerActiveObject *obj = new ItemSAO(env, pos, inventorystring);
+ env->addActiveObject(obj);
+ return 0;
+ }
+
+ // EnvRef:add_rat(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_add_rat(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);
+ // Do it
+ ServerActiveObject *obj = new RatSAO(env, pos);
+ env->addActiveObject(obj);
+ 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()"<<std::endl;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // pos
+ v3f pos = readFloatPos(L, 2);
+ // Do it
+ ServerActiveObject *obj = new FireflySAO(env, pos);
+ env->addActiveObject(obj);
+ 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 = readpos(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 = lua_tostring(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);
+ return 1;
+ }
+
+ static int gc_object(lua_State *L) {
+ EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
+ }
+
+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, add_node),
+ method(EnvRef, remove_node),
+ method(EnvRef, get_node),
+ method(EnvRef, add_luaentity),
+ method(EnvRef, add_item),
+ method(EnvRef, add_rat),
+ method(EnvRef, add_firefly),
+ method(EnvRef, get_meta),
+ method(EnvRef, get_player_by_name),
+ {0,0}
+};
+
+/*
+ Main export function
+*/
+
+void scriptapi_export(lua_State *L, Server *server)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ infostream<<"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);
+ lua_setglobal(L, "minetest");
+
+ // Get the main minetest table
+ lua_getglobal(L, "minetest");
+
+ // 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
+ NodeMetaRef::Register(L);
+ EnvRef::Register(L);
+ ObjectRef::Register(L);
+}
+
+void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ infostream<<"scriptapi_add_environment"<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Create EnvRef on stack
+ EnvRef::create(L, env);
+ int envref = lua_gettop(L);
+
+ // minetest.env = envref
+ lua_getglobal(L, "minetest");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushvalue(L, envref);
+ lua_setfield(L, -2, "env");
+
+ // Store environment as light userdata in registry
+ lua_pushlightuserdata(L, env);
+ lua_setfield(L, LUA_REGISTRYINDEX, "minetest_env");
+
+ /* Add ActiveBlockModifiers to environment */
+
+ // 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);
+
+ if(lua_istable(L, registered_abms)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int id = lua_tonumber(L, -2);
+ int current_abm = lua_gettop(L);
+
+ std::set<std::string> trigger_contents;
+ lua_getfield(L, current_abm, "nodenames");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ trigger_contents.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+
+ float trigger_interval = 10.0;
+ getfloatfield(L, current_abm, "interval", trigger_interval);
+
+ int trigger_chance = 50;
+ getintfield(L, current_abm, "chance", trigger_chance);
+
+ LuaABM *abm = new LuaABM(L, id, trigger_contents,
+ trigger_interval, trigger_chance);
+
+ env->addActiveBlockModifier(abm);
+
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ lua_pop(L, 1);
+}
+
+#if 0
+// Dump stack top with the dump2 function
+static void dump2(lua_State *L, const char *name)
+{
+ // Dump object (debug)
+ lua_getglobal(L, "dump2");
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, -2); // Get previous stack top as first parameter
+ lua_pushstring(L, name);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s\n", lua_tostring(L, -1));
+}
+#endif
+
+/*
+ object_reference
+*/
+
+void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Create object on stack
+ ObjectRef::create(L, cobj); // Puts ObjectRef (as userdata) on stack
+ int object = lua_gettop(L);
+
+ // Get minetest.object_refs table
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int objectstable = lua_gettop(L);
+
+ // object_refs[id] = object
+ lua_pushnumber(L, cobj->getId()); // Push id
+ lua_pushvalue(L, object); // Copy object to top of stack
+ lua_settable(L, objectstable);
+}
+
+void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.object_refs table
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "object_refs");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ int objectstable = lua_gettop(L);
+
+ // Get object_refs[id]
+ lua_pushnumber(L, cobj->getId()); // Push id
+ lua_gettable(L, objectstable);
+ // Set object reference to NULL
+ ObjectRef::set_null(L);
+ lua_pop(L, 1); // pop object
+
+ // Set object_refs[id] = nil
+ lua_pushnumber(L, cobj->getId()); // Push id
+ lua_pushnil(L);
+ lua_settable(L, objectstable);
+}
+
+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");
+ 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_pushstring(L, name.c_str());
+ lua_pushstring(L, message.c_str());
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s\n", lua_tostring(L, -1));
+ bool ate = lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ if(ate)
+ return true;
+ // value removed, keep key for next iteration
+ }
+ return false;
+}
+
+/*
+ misc
+*/
+
+void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // 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\n", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
+}
+bool scriptapi_on_respawnplayer(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_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\n", 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
+ }
+ return positioning_handled_by_some;
+}
+
+/*
+ craftitem
+*/
+
+static void pushPointedThing(lua_State *L, const PointedThing& pointed)
+{
+ 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");
+ }
+}
+
+void scriptapi_add_craftitem(lua_State *L, const char *name)
+{
+ 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");
+ 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]
+}
+
+static bool get_craftitem_callback(lua_State *L, const char *name,
+ const char *callbackname)
+{
+ // 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
+
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_craftitems");
+ lua_remove(L, -2);
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_getfield(L, -1, name);
+ lua_remove(L, -2);
+ // Should be a table
+ if(lua_type(L, -1) != LUA_TTABLE)
+ {
+ errorstream<<"CraftItem name \""<<name<<"\" not defined"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
+ lua_getfield(L, -1, callbackname);
+ lua_remove(L, -2);
+ // Should be a function or nil
+ if(lua_type(L, -1) == LUA_TFUNCTION)
+ {
+ return true;
+ }
+ else if(lua_isnil(L, -1))
+ {
+ lua_pop(L, 1);
+ return false;
+ }
+ else
+ {
+ errorstream<<"CraftItem name \""<<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)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_craftitem_on_drop"<<std::endl;
+ StackUnroller stack_unroller(L);
- lua_pop(L, 1); // drop metatable
+ 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\n", lua_tostring(L, -1));
+ result = lua_toboolean(L, -1);
+ }
+ return result;
+}
- luaL_openlib(L, 0, methods, 0); // fill methodtable
- lua_pop(L, 1); // drop methodtable
+bool scriptapi_craftitem_on_place_on_ground(lua_State *L, const char *name,
+ ServerActiveObject *placer, v3f pos,
+ bool &callback_exists)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ //infostream<<"scriptapi_craftitem_on_place_on_ground"<<std::endl;
+ StackUnroller stack_unroller(L);
- // Cannot be created from Lua
- //lua_register(L, className, create_object);
+ 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\n", lua_tostring(L, -1));
+ result = lua_toboolean(L, -1);
}
-};
-const char ObjectRef::className[] = "ObjectRef";
-const luaL_reg ObjectRef::methods[] = {
- method(ObjectRef, remove),
- method(ObjectRef, getpos),
- method(ObjectRef, setpos),
- method(ObjectRef, moveto),
- method(ObjectRef, add_to_inventory),
- {0,0}
-};
+ return result;
+}
-// Creates a new anonymous reference if id=0
-static void objectref_get_or_create(lua_State *L,
- ServerActiveObject *cobj)
+bool scriptapi_craftitem_on_use(lua_State *L, const char *name,
+ ServerActiveObject *user, const PointedThing& pointed,
+ bool &callback_exists)
{
- if(cobj->getId() == 0){
- ObjectRef::create(L, cobj);
- } else {
- objectref_get(L, cobj->getId());
+ 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\n", lua_tostring(L, -1));
+ result = lua_toboolean(L, -1);
}
+ return result;
}
/*
- Main export function
+ environment
*/
-void scriptapi_export(lua_State *L, Server *server)
+void scriptapi_environment_step(lua_State *L, float dtime)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_export"<<std::endl;
+ //infostream<<"scriptapi_environment_step"<<std::endl;
StackUnroller stack_unroller(L);
- // Store server as light userdata in registry
- lua_pushlightuserdata(L, server);
- lua_setfield(L, LUA_REGISTRYINDEX, "minetest_server");
-
- // Register global functions in table minetest
- lua_newtable(L);
- luaL_register(L, NULL, minetest_f);
- lua_setglobal(L, "minetest");
-
- // Get the main minetest table
+ // Get minetest.registered_globalsteps
lua_getglobal(L, "minetest");
-
- // Add tables to minetest
-
- /*lua_newtable(L);
- lua_setfield(L, -2, "registered_blocks");*/
-
- lua_newtable(L);
- lua_setfield(L, -2, "registered_entities");
-
- lua_newtable(L);
- lua_setfield(L, -2, "registered_globalsteps");
-
- 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
-
- // Environment C reference
- EnvRef::Register(L);
-
- // Object C reference
- ObjectRef::Register(L);
+ 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\n", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
}
-void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
+void scriptapi_environment_on_placenode(lua_State *L, v3s16 p, MapNode newnode,
+ ServerActiveObject *placer)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_add_environment"<<std::endl;
+ //infostream<<"scriptapi_environment_on_placenode"<<std::endl;
StackUnroller stack_unroller(L);
- // Create EnvRef on stack
- EnvRef::create(L, env);
- int envref = lua_gettop(L);
-
- // minetest.env = envref
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable node definition manager from the server
+ IWritableNodeDefManager *ndef =
+ server->getWritableNodeDefManager();
+
+ // Get minetest.registered_on_placenodes
lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_placenodes");
luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushvalue(L, envref);
- lua_setfield(L, -2, "env");
-}
-
-#if 0
-// Dump stack top with the dump2 function
-static void dump2(lua_State *L, const char *name)
-{
- // Dump object (debug)
- lua_getglobal(L, "dump2");
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, -2); // Get previous stack top as first parameter
- lua_pushstring(L, name);
- if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error: %s\n", lua_tostring(L, -1));
+ 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\n", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
}
-#endif
-
-/*
- object_reference
-*/
-void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj)
+void scriptapi_environment_on_dignode(lua_State *L, v3s16 p, MapNode oldnode,
+ ServerActiveObject *digger)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_add_object_reference: id="<<cobj->getId()<<std::endl;
+ //infostream<<"scriptapi_environment_on_dignode"<<std::endl;
StackUnroller stack_unroller(L);
- // Create object on stack
- ObjectRef::create(L, cobj); // Puts ObjectRef (as userdata) on stack
- int object = lua_gettop(L);
-
- // Get minetest.object_refs table
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable node definition manager from the server
+ IWritableNodeDefManager *ndef =
+ server->getWritableNodeDefManager();
+
+ // Get minetest.registered_on_dignodes
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
+ lua_getfield(L, -1, "registered_on_dignodes");
luaL_checktype(L, -1, LUA_TTABLE);
- int objectstable = lua_gettop(L);
-
- // object_refs[id] = object
- lua_pushnumber(L, cobj->getId()); // Push id
- lua_pushvalue(L, object); // Copy object to top of stack
- lua_settable(L, objectstable);
+ 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\n", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
}
-void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj)
+void scriptapi_environment_on_punchnode(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *puncher)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_rm_object_reference: id="<<cobj->getId()<<std::endl;
+ //infostream<<"scriptapi_environment_on_punchnode"<<std::endl;
StackUnroller stack_unroller(L);
- // Get minetest.object_refs table
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable node definition manager from the server
+ IWritableNodeDefManager *ndef =
+ server->getWritableNodeDefManager();
+
+ // Get minetest.registered_on_punchnodes
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "object_refs");
+ lua_getfield(L, -1, "registered_on_punchnodes");
luaL_checktype(L, -1, LUA_TTABLE);
- int objectstable = lua_gettop(L);
-
- // Get object_refs[id]
- lua_pushnumber(L, cobj->getId()); // Push id
- lua_gettable(L, objectstable);
- // Set object reference to NULL
- ObjectRef::set_null(L);
- lua_pop(L, 1); // pop object
-
- // Set object_refs[id] = nil
- lua_pushnumber(L, cobj->getId()); // Push id
+ int table = lua_gettop(L);
+ // Foreach
lua_pushnil(L);
- lua_settable(L, objectstable);
+ 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\n", lua_tostring(L, -1));
+ // value removed, keep key for next iteration
+ }
}
-/*
- environment
-*/
-
-void scriptapi_environment_step(lua_State *L, float dtime)
+void scriptapi_environment_on_generated(lua_State *L, v3s16 minp, v3s16 maxp)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- //infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
+ //infostream<<"scriptapi_environment_on_generated"<<std::endl;
StackUnroller stack_unroller(L);
- // Get minetest.registered_globalsteps
+ // Get minetest.registered_on_generateds
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_globalsteps");
+ lua_getfield(L, -1, "registered_on_generateds");
luaL_checktype(L, -1, LUA_TTABLE);
int table = lua_gettop(L);
// Foreach
// 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))
+ pushpos(L, minp);
+ pushpos(L, maxp);
+ if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s\n", lua_tostring(L, -1));
// value removed, keep key for next iteration
}
*/
bool scriptapi_luaentity_add(lua_State *L, u16 id, const char *name,
- const char *init_state)
+ const std::string &staticdata)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
<<name<<"\""<<std::endl;
StackUnroller stack_unroller(L);
- // Create object as a dummy string (TODO: Create properly)
-
// Get minetest.registered_entities[name]
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_entities");
lua_pushvalue(L, object); // Copy object to top of stack
lua_settable(L, -3);
- // This callback doesn't really make sense
- /*// Get on_activate function
+ // Get on_activate function
lua_pushvalue(L, object);
lua_getfield(L, -1, "on_activate");
- luaL_checktype(L, -1, LUA_TFUNCTION);
- lua_pushvalue(L, object); // self
- // Call with 1 arguments, 0 results
- if(lua_pcall(L, 1, 0, 0))
- script_error(L, "error running function %s:on_activate: %s\n",
- name, lua_tostring(L, -1));*/
-
+ if(!lua_isnil(L, -1)){
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ 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));
+ }
+
return true;
}
lua_pop(L, 2); // pop luaentities, minetest
}
-std::string scriptapi_luaentity_get_state(lua_State *L, u16 id)
+std::string scriptapi_luaentity_get_staticdata(lua_State *L, u16 id)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- infostream<<"scriptapi_luaentity_get_state: id="<<id<<std::endl;
+ infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
+ StackUnroller stack_unroller(L);
+
+ // Get minetest.luaentities[id]
+ luaentity_get(L, id);
+ int object = lua_gettop(L);
+
+ // Get get_staticdata function
+ lua_pushvalue(L, object);
+ lua_getfield(L, -1, "get_staticdata");
+ if(lua_isnil(L, -1))
+ return "";
+
+ luaL_checktype(L, -1, LUA_TFUNCTION);
+ lua_pushvalue(L, object); // self
+ // Call with 1 arguments, 1 results
+ if(lua_pcall(L, 1, 1, 0))
+ script_error(L, "error running function get_staticdata: %s\n",
+ lua_tostring(L, -1));
- return "";
+ size_t len=0;
+ const char *s = lua_tolstring(L, -1, &len);
+ return std::string(s, len);
}
void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
luaentity_get(L, id);
//int object = lua_gettop(L);
- lua_getfield(L, -1, "physical");
- if(lua_isboolean(L, -1))
- prop->physical = lua_toboolean(L, -1);
- lua_pop(L, 1);
+ /* Read stuff */
- lua_getfield(L, -1, "weight");
- prop->weight = lua_tonumber(L, -1);
- lua_pop(L, 1);
+ getboolfield(L, -1, "physical", prop->physical);
+
+ getfloatfield(L, -1, "weight", prop->weight);
lua_getfield(L, -1, "collisionbox");
- if(lua_istable(L, -1)){
- lua_rawgeti(L, -1, 1);
- prop->collisionbox.MinEdge.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 2);
- prop->collisionbox.MinEdge.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 3);
- prop->collisionbox.MinEdge.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 4);
- prop->collisionbox.MaxEdge.X = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 5);
- prop->collisionbox.MaxEdge.Y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- lua_rawgeti(L, -1, 6);
- prop->collisionbox.MaxEdge.Z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- }
+ if(lua_istable(L, -1))
+ prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
lua_pop(L, 1);
- lua_getfield(L, -1, "visual");
- if(lua_isstring(L, -1))
- prop->visual = lua_tostring(L, -1);
- lua_pop(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, -1, "textures");
if(lua_istable(L, -1)){
prop->textures.clear();
}
}
lua_pop(L, 1);
+
+ 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);
+ lua_pop(L, 1);
}
void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
// State: object is at top of stack
// Get step function
lua_getfield(L, -1, "on_step");
+ if(lua_isnil(L, -1))
+ return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
lua_pushnumber(L, dtime); // dtime
// Call with 2 arguments, 0 results
if(lua_pcall(L, 2, 0, 0))
- script_error(L, "error running function 'step': %s\n", lua_tostring(L, -1));
+ script_error(L, "error running function 'on_step': %s\n", lua_tostring(L, -1));
}
// Calls entity:on_punch(ObjectRef puncher)
// State: object is at top of stack
// Get function
lua_getfield(L, -1, "on_punch");
+ if(lua_isnil(L, -1))
+ return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
objectref_get_or_create(L, puncher); // Clicker reference
// State: object is at top of stack
// Get function
lua_getfield(L, -1, "on_rightclick");
+ if(lua_isnil(L, -1))
+ return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
objectref_get_or_create(L, clicker); // Clicker reference
projects / oweals / minetest.git / blobdiff