Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "filesys.h"
#include "serverobject.h"
#include "script.h"
-//#include "luna.h"
-#include "luaentity_common.h"
-#include "content_sao.h" // For LuaEntitySAO
+#include "object_properties.h"
+#include "content_sao.h" // For LuaEntitySAO and PlayerSAO
#include "itemdef.h"
#include "nodedef.h"
+#include "biome.h"
#include "craftdef.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
+#include "util/pointedthing.h"
+#include "rollback.h"
+#include "treegen.h"
static void stackDump(lua_State *L, std::ostream &o)
{
{NDT_PLANTLIKE, "plantlike"},
{NDT_FENCELIKE, "fencelike"},
{NDT_RAILLIKE, "raillike"},
+ {NDT_NODEBOX, "nodebox"},
{0, NULL},
};
{0, NULL},
};
+struct EnumString es_CraftMethod[] =
+{
+ {CRAFT_METHOD_NORMAL, "normal"},
+ {CRAFT_METHOD_COOKING, "cooking"},
+ {CRAFT_METHOD_FUEL, "fuel"},
+ {0, NULL},
+};
+
+struct EnumString es_TileAnimationType[] =
+{
+ {TAT_NONE, "none"},
+ {TAT_VERTICAL_FRAMES, "vertical_frames"},
+ {0, NULL},
+};
+
+struct EnumString es_BiomeTerrainType[] =
+{
+ {BIOME_TERRAIN_NORMAL, "normal"},
+ {BIOME_TERRAIN_LIQUID, "liquid"},
+ {BIOME_TERRAIN_NETHER, "nether"},
+ {BIOME_TERRAIN_AETHER, "aether"},
+ {BIOME_TERRAIN_FLAT, "flat"},
+ {0, NULL},
+};
+
/*
C struct <-> Lua table converter functions
*/
return color;
}
-static core::aabbox3d<f32> read_aabbox3df32(lua_State *L, int index, f32 scale)
+static aabb3f read_aabb3f(lua_State *L, int index, f32 scale)
{
- core::aabbox3d<f32> box;
- if(lua_istable(L, -1)){
- lua_rawgeti(L, -1, 1);
+ aabb3f box;
+ if(lua_istable(L, index)){
+ lua_rawgeti(L, index, 1);
box.MinEdge.X = lua_tonumber(L, -1) * scale;
lua_pop(L, 1);
- lua_rawgeti(L, -1, 2);
+ lua_rawgeti(L, index, 2);
box.MinEdge.Y = lua_tonumber(L, -1) * scale;
lua_pop(L, 1);
- lua_rawgeti(L, -1, 3);
+ lua_rawgeti(L, index, 3);
box.MinEdge.Z = lua_tonumber(L, -1) * scale;
lua_pop(L, 1);
- lua_rawgeti(L, -1, 4);
+ lua_rawgeti(L, index, 4);
box.MaxEdge.X = lua_tonumber(L, -1) * scale;
lua_pop(L, 1);
- lua_rawgeti(L, -1, 5);
+ lua_rawgeti(L, index, 5);
box.MaxEdge.Y = lua_tonumber(L, -1) * scale;
lua_pop(L, 1);
- lua_rawgeti(L, -1, 6);
+ lua_rawgeti(L, index, 6);
box.MaxEdge.Z = lua_tonumber(L, -1) * scale;
lua_pop(L, 1);
}
return box;
}
-#if 0
-/*
- MaterialProperties
-*/
+static std::vector<aabb3f> read_aabb3f_vector(lua_State *L, int index, f32 scale)
+{
+ std::vector<aabb3f> boxes;
+ if(lua_istable(L, index)){
+ int n = lua_objlen(L, index);
+ // Check if it's a single box or a list of boxes
+ bool possibly_single_box = (n == 6);
+ for(int i = 1; i <= n && possibly_single_box; i++){
+ lua_rawgeti(L, index, i);
+ if(!lua_isnumber(L, -1))
+ possibly_single_box = false;
+ lua_pop(L, 1);
+ }
+ if(possibly_single_box){
+ // Read a single box
+ boxes.push_back(read_aabb3f(L, index, scale));
+ } else {
+ // Read a list of boxes
+ for(int i = 1; i <= n; i++){
+ lua_rawgeti(L, index, i);
+ boxes.push_back(read_aabb3f(L, -1, scale));
+ lua_pop(L, 1);
+ }
+ }
+ }
+ return boxes;
+}
-static MaterialProperties read_material_properties(
- lua_State *L, int table)
+static NodeBox read_nodebox(lua_State *L, int index)
{
- 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;
+ NodeBox nodebox;
+ if(lua_istable(L, -1)){
+ nodebox.type = (NodeBoxType)getenumfield(L, index, "type",
+ es_NodeBoxType, NODEBOX_REGULAR);
+
+ lua_getfield(L, index, "fixed");
+ if(lua_istable(L, -1))
+ nodebox.fixed = read_aabb3f_vector(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "wall_top");
+ if(lua_istable(L, -1))
+ nodebox.wall_top = read_aabb3f(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "wall_bottom");
+ if(lua_istable(L, -1))
+ nodebox.wall_bottom = read_aabb3f(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, index, "wall_side");
+ if(lua_istable(L, -1))
+ nodebox.wall_side = read_aabb3f(L, -1, BS);
+ lua_pop(L, 1);
+ }
+ return nodebox;
}
-#endif
/*
Groups
static void read_groups(lua_State *L, int index,
std::map<std::string, int> &result)
{
+ if (!lua_istable(L,index))
+ return;
result.clear();
lua_pushnil(L);
if(index < 0)
}
}
+/*
+ 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);
+ }
+}
+
/*
ToolCapabilities
*/
// This will be created
ToolGroupCap groupcap;
// Read simple parameters
- getfloatfield(L, table_groupcap, "maxwear", groupcap.maxwear);
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)){
// Set subtable "times"
lua_setfield(L, -2, "times");
// Set simple parameters
- setfloatfield(L, -1, "maxwear", groupcap.maxwear);
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());
}
}
}
+/*
+ SimpleSoundSpec
+*/
+
+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);
+ }
+}
+
+/*
+ ObjectProperties
+*/
+
+static void read_object_properties(lua_State *L, int index,
+ ObjectProperties *prop)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+ if(!lua_istable(L, index))
+ return;
+
+ prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
+
+ 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_aabb3f(L, -1, 1.0);
+ lua_pop(L, 1);
+
+ getstringfield(L, -1, "visual", prop->visual);
+
+ getstringfield(L, -1, "mesh", prop->mesh);
+
+ 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);
+
+ lua_getfield(L, -1, "colors");
+ if(lua_istable(L, -1)){
+ prop->colors.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->colors.push_back(readARGB8(L, -1));
+ else
+ prop->colors.push_back(video::SColor(255, 255, 255, 255));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ }
+ 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);
+
+ 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);
+}
+
/*
ItemDefinition
*/
-static ItemDefinition read_item_definition(lua_State *L, int index)
+static ItemDefinition read_item_definition(lua_State *L, int index,
+ ItemDefinition default_def = ItemDefinition())
{
if(index < 0)
index = lua_gettop(L) + 1 + index;
// Read the item definition
- ItemDefinition def;
+ ItemDefinition def = default_def;
def.type = (ItemType)getenumfield(L, index, "type",
es_ItemType, ITEM_NONE);
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_groups(L, -1, def.groups);
lua_pop(L, 1);
+ // Client shall immediately place this node when player places the item.
+ // Server will update the precise end result a moment later.
+ // "" = no prediction
+ getstringfield(L, index, "node_placement_prediction",
+ def.node_placement_prediction);
+
return def;
}
+/*
+ TileDef
+*/
+
+static TileDef read_tiledef(lua_State *L, int index)
+{
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
+
+ TileDef tiledef;
+
+ // key at index -2 and value at index
+ if(lua_isstring(L, index)){
+ // "default_lava.png"
+ tiledef.name = lua_tostring(L, index);
+ }
+ else if(lua_istable(L, index))
+ {
+ // {name="default_lava.png", animation={}}
+ tiledef.name = "";
+ getstringfield(L, index, "name", tiledef.name);
+ getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
+ tiledef.backface_culling = getboolfield_default(
+ L, index, "backface_culling", true);
+ // animation = {}
+ lua_getfield(L, index, "animation");
+ if(lua_istable(L, -1)){
+ // {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
+ tiledef.animation.type = (TileAnimationType)
+ getenumfield(L, -1, "type", es_TileAnimationType,
+ TAT_NONE);
+ tiledef.animation.aspect_w =
+ getintfield_default(L, -1, "aspect_w", 16);
+ tiledef.animation.aspect_h =
+ getintfield_default(L, -1, "aspect_h", 16);
+ tiledef.animation.length =
+ getfloatfield_default(L, -1, "length", 1.0);
+ }
+ lua_pop(L, 1);
+ }
+
+ return tiledef;
+}
+
/*
ContentFeatures
*/
index = lua_gettop(L) + 1 + index;
ContentFeatures f;
+
+ /* Cache existence of some callbacks */
+ lua_getfield(L, index, "on_construct");
+ if(!lua_isnil(L, -1)) f.has_on_construct = true;
+ lua_pop(L, 1);
+ lua_getfield(L, index, "on_destruct");
+ if(!lua_isnil(L, -1)) f.has_on_destruct = true;
+ lua_pop(L, 1);
+ lua_getfield(L, index, "after_destruct");
+ if(!lua_isnil(L, -1)) f.has_after_destruct = true;
+ lua_pop(L, 1);
+
/* Name */
getstringfield(L, index, "name", f.name);
NDT_NORMAL);
getfloatfield(L, index, "visual_scale", f.visual_scale);
- lua_getfield(L, index, "tile_images");
+ // tiles = {}
+ lua_getfield(L, index, "tiles");
+ // If nil, try the deprecated name "tile_images" instead
+ if(lua_isnil(L, -1)){
+ lua_pop(L, 1);
+ warn_if_field_exists(L, index, "tile_images",
+ "Deprecated; new name is \"tiles\".");
+ 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] = "";
+ // Read tiledef from value
+ f.tiledef[i] = read_tiledef(L, -1);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
}
// Copy last value to all remaining textures
if(i >= 1){
- std::string lastname = f.tname_tiles[i-1];
+ TileDef lasttile = f.tiledef[i-1];
while(i < 6){
- f.tname_tiles[i] = lastname;
+ f.tiledef[i] = lasttile;
i++;
}
}
}
lua_pop(L, 1);
- lua_getfield(L, index, "special_materials");
+ // special_tiles = {}
+ lua_getfield(L, index, "special_tiles");
+ // If nil, try the deprecated name "special_materials" instead
+ if(lua_isnil(L, -1)){
+ lua_pop(L, 1);
+ warn_if_field_exists(L, index, "special_materials",
+ "Deprecated; new name is \"special_tiles\".");
+ 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;
+ // Read tiledef from value
+ f.tiledef_special[i] = read_tiledef(L, -1);
// removes value, keeps key for next iteration
lua_pop(L, 1);
i++;
f.alpha = getintfield_default(L, index, "alpha", 255);
/* Other stuff */
-
+
lua_getfield(L, index, "post_effect_color");
if(!lua_isnil(L, -1))
f.post_effect_color = readARGB8(L, -1);
"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");
+
// 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, "climbable", f.climbable);
// Player can build on these
getboolfield(L, index, "buildable_to", f.buildable_to);
- // Metadata name of node (eg. "furnace")
- getstringfield(L, index, "metadata_name", f.metadata_name);
// Whether the node is non-liquid, source liquid or flowing liquid
f.liquid_type = (LiquidType)getenumfield(L, index, "liquidtype",
es_LiquidType, LIQUID_NONE);
// the slowest possible
f.liquid_viscosity = getintfield_default(L, index,
"liquid_viscosity", f.liquid_viscosity);
+ getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
// 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, "node_box");
+ if(lua_istable(L, -1))
+ f.node_box = read_nodebox(L, -1);
+ lua_pop(L, 1);
+
lua_getfield(L, index, "selection_box");
- if(lua_istable(L, -1)){
- f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
- es_NodeBoxType, NODEBOX_REGULAR);
+ if(lua_istable(L, -1))
+ f.selection_box = read_nodebox(L, -1);
+ lua_pop(L, 1);
- lua_getfield(L, -1, "fixed");
- if(lua_istable(L, -1))
- f.selection_box.fixed = read_aabbox3df32(L, -1, BS);
- 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);
- lua_getfield(L, -1, "wall_top");
- if(lua_istable(L, -1))
- f.selection_box.wall_top = read_aabbox3df32(L, -1, BS);
+ // 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, "wall_bottom");
- if(lua_istable(L, -1))
- f.selection_box.wall_bottom = read_aabbox3df32(L, -1, BS);
+ lua_getfield(L, -1, "dig");
+ read_soundspec(L, -1, f.sound_dig);
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_getfield(L, -1, "dug");
+ read_soundspec(L, -1, f.sound_dug);
lua_pop(L, 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);
-
return f;
}
*/
static ItemStack read_item(lua_State *L, int index);
+static std::vector<ItemStack> read_items(lua_State *L, int index);
+// creates a table of ItemStacks
+static void push_items(lua_State *L, const std::vector<ItemStack> &items);
static void inventory_set_list_from_lua(Inventory *inv, const char *name,
lua_State *L, int tableindex, int forcesize=-1)
{
- dstream<<"inventory_set_list_from_lua\n";
if(tableindex < 0)
tableindex = lua_gettop(L) + 1 + tableindex;
// If nil, delete list
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);
- }
+ std::vector<ItemStack> items = read_items(L, tableindex);
int listsize = (forcesize != -1) ? forcesize : items.size();
InventoryList *invlist = inv->addList(name, listsize);
int index = 0;
invlist->deleteItem(index);
index++;
}
- dstream<<"inventory_set_list_from_lua done\n";
}
static void inventory_get_list_to_lua(Inventory *inv, const char *name,
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));
- }
+ std::vector<ItemStack> items;
+ for(u32 i=0; i<invlist->getSize(); i++)
+ items.push_back(invlist->getItem(i));
+ push_items(L, items);
}
/*
static const luaL_reg methods[];
// Exported functions
-
+
// garbage collector
static int gc_object(lua_State *L)
{
ItemStack &item = o->m_stack;
u32 takecount = 1;
if(!lua_isnone(L, 2))
- takecount = lua_tointeger(L, 2);
+ takecount = luaL_checkinteger(L, 2);
ItemStack taken = item.takeItem(takecount);
create(L, taken);
return 1;
{
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)
}
}
-/*
- InvRef
-*/
-
-class InvRef
+static std::vector<ItemStack> read_items(lua_State *L, int index)
{
-private:
- InventoryLocation m_loc;
-
- static const char className[];
- static const luaL_reg methods[];
+ if(index < 0)
+ index = lua_gettop(L) + 1 + index;
- 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 *(InvRef**)ud; // unbox pointer
+ std::vector<ItemStack> items;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_pushnil(L);
+ while(lua_next(L, index) != 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);
}
-
- static Inventory* getinv(lua_State *L, InvRef *ref)
- {
- return get_server(L)->getInventory(ref->m_loc);
+ return items;
+}
+
+// creates a table of ItemStacks
+static void push_items(lua_State *L, const std::vector<ItemStack> &items)
+{
+ // 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<items.size(); i++){
+ ItemStack item = items[i];
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ LuaItemStack::create(L, item);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ lua_remove(L, -2); // Remove table
+ lua_remove(L, -2); // Remove insert
+}
+
+/*
+ InvRef
+*/
+
+class InvRef
+{
+private:
+ InventoryLocation m_loc;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ 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 *(InvRef**)ud; // unbox pointer
+ }
+
+ static Inventory* getinv(lua_State *L, InvRef *ref)
+ {
+ return get_server(L)->getInventory(ref->m_loc);
}
static InventoryList* getlist(lua_State *L, InvRef *ref,
// 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) {
InvRef *o = *(InvRef **)(lua_touserdata(L, 1));
return 0;
}
+ // is_empty(self, listname) -> true/false
+ static int l_is_empty(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list && list->getUsedSlots() > 0){
+ lua_pushboolean(L, false);
+ } else {
+ lua_pushboolean(L, true);
+ }
+ return 1;
+ }
+
// get_size(self, listname)
static int l_get_size(lua_State *L)
{
return 1;
}
+ // get_width(self, listname)
+ static int l_get_width(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ InventoryList *list = getlist(L, ref, listname);
+ if(list){
+ lua_pushinteger(L, list->getWidth());
+ } else {
+ lua_pushinteger(L, 0);
+ }
+ return 1;
+ }
+
// set_size(self, listname, size)
static int l_set_size(lua_State *L)
{
return 0;
}
+ // set_width(self, listname, size)
+ static int l_set_width(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const char *listname = luaL_checkstring(L, 2);
+ int newwidth = luaL_checknumber(L, 3);
+ Inventory *inv = getinv(L, ref);
+ InventoryList *list = inv->getList(listname);
+ if(list){
+ list->setWidth(newwidth);
+ } else {
+ return 0;
+ }
+ reportInventoryChange(L, ref);
+ return 0;
+ }
+
// get_stack(self, listname, i) -> itemstack
static int l_get_stack(lua_State *L)
{
return 1;
}
+ // get_location() -> location (like minetest.get_inventory(location))
+ static int l_get_location(lua_State *L)
+ {
+ InvRef *ref = checkobject(L, 1);
+ const InventoryLocation &loc = ref->m_loc;
+ switch(loc.type){
+ case InventoryLocation::PLAYER:
+ lua_newtable(L);
+ lua_pushstring(L, "player");
+ lua_setfield(L, -2, "type");
+ lua_pushstring(L, loc.name.c_str());
+ lua_setfield(L, -2, "name");
+ return 1;
+ case InventoryLocation::NODEMETA:
+ lua_newtable(L);
+ lua_pushstring(L, "nodemeta");
+ lua_setfield(L, -2, "type");
+ push_v3s16(L, loc.p);
+ lua_setfield(L, -2, "name");
+ return 1;
+ case InventoryLocation::DETACHED:
+ lua_newtable(L);
+ lua_pushstring(L, "detached");
+ lua_setfield(L, -2, "type");
+ lua_pushstring(L, loc.name.c_str());
+ lua_setfield(L, -2, "name");
+ return 1;
+ case InventoryLocation::UNDEFINED:
+ case InventoryLocation::CURRENT_PLAYER:
+ break;
+ }
+ lua_newtable(L);
+ lua_pushstring(L, "undefined");
+ lua_setfield(L, -2, "type");
+ return 1;
+ }
+
public:
InvRef(const InventoryLocation &loc):
m_loc(loc)
};
const char InvRef::className[] = "InvRef";
const luaL_reg InvRef::methods[] = {
+ method(InvRef, is_empty),
method(InvRef, get_size),
method(InvRef, set_size),
+ method(InvRef, get_width),
+ method(InvRef, set_width),
method(InvRef, get_stack),
method(InvRef, set_stack),
method(InvRef, get_list),
method(InvRef, room_for_item),
method(InvRef, contains_item),
method(InvRef, remove_item),
+ method(InvRef, get_location),
{0,0}
};
if(!ud) luaL_typerror(L, narg, className);
return *(NodeMetaRef**)ud; // unbox pointer
}
-
- static NodeMetadata* getmeta(NodeMetaRef *ref)
+
+ static NodeMetadata* getmeta(NodeMetaRef *ref, bool auto_create)
{
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 IGenericNodeMetadata* getgenericmeta(NodeMetaRef *ref)
- {
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL)
- return NULL;
- if(meta->typeId() != NODEMETA_GENERIC)
- return NULL;
- return (IGenericNodeMetadata*)meta;
- }*/
-
static void reportMetadataChange(NodeMetaRef *ref)
{
+ // NOTE: This same code is in rollback_interface.cpp
// Inform other things that the metadata has changed
v3s16 blockpos = getNodeBlockPos(ref->m_p);
MapEditEvent event;
block->raiseModified(MOD_STATE_WRITE_NEEDED,
"NodeMetaRef::reportMetadataChange");
}
-
+
// Exported functions
-
+
// garbage collector
static int gc_object(lua_State *L) {
NodeMetaRef *o = *(NodeMetaRef **)(lua_touserdata(L, 1));
return 0;
}
- // get_type(self)
- static int l_get_type(lua_State *L)
+ // get_string(self, name)
+ static int l_get_string(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
+ std::string name = luaL_checkstring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
- lua_pushnil(L);
+ lua_pushlstring(L, "", 0);
return 1;
}
- // Do it
- lua_pushstring(L, meta->typeName());
+ std::string str = meta->getString(name);
+ lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
- // allows_text_input(self)
- static int l_allows_text_input(lua_State *L)
+ // 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
- lua_pushboolean(L, meta->allowsTextInput());
- return 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);
- // 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 = luaL_checkstring(L, 2);
- meta->setText(text);
+ NodeMetadata *meta = getmeta(ref, !str.empty());
+ if(meta == NULL || str == meta->getString(name))
+ return 0;
+ meta->setString(name, str);
reportMetadataChange(ref);
return 0;
}
- // get_text(self)
- static int l_get_text(lua_State *L)
+ // get_int(self, name)
+ static int l_get_int(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;
- }
+ std::string name = lua_tostring(L, 2);
- // 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());
+ 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;
}
- // set_owner(self, string)
- static int l_set_owner(lua_State *L)
+ // set_int(self, name, var)
+ static int l_set_int(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
- std::string owner = luaL_checkstring(L, 2);
- meta->setOwner(owner);
+ 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 1;
+ return 0;
}
- // get_allow_removal(self)
- static int l_get_allow_removal(lua_State *L)
+ // get_float(self, name)
+ static int l_get_float(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
+ std::string name = lua_tostring(L, 2);
+
+ NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
- lua_pushboolean(L, true);
+ lua_pushnumber(L, 0);
return 1;
}
- // Do it
- lua_pushboolean(L, !meta->nodeRemovalDisabled());
+ std::string str = meta->getString(name);
+ lua_pushnumber(L, stof(str));
return 1;
}
- /* IGenericNodeMetadata interface */
-
- // set_infotext(self, text)
- static int l_set_infotext(lua_State *L)
+ // set_float(self, name, var)
+ static int l_set_float(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->setInfoText(text);
+ 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;
}
static int l_get_inventory(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
- NodeMetadata *meta = getmeta(ref);
- if(meta == NULL) return 0;
- // Do it
+ getmeta(ref, true); // try to ensure the metadata exists
InvRef::createNodeMeta(L, ref->m_p);
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)
+ // to_table(self)
+ static int l_to_table(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());
+ NodeMetadata *meta = getmeta(ref, true);
+ if(meta == NULL){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_newtable(L);
+ // fields
+ lua_newtable(L);
+ {
+ std::map<std::string, std::string> fields = meta->getStrings();
+ for(std::map<std::string, std::string>::const_iterator
+ i = fields.begin(); i != fields.end(); i++){
+ const std::string &name = i->first;
+ const std::string &value = i->second;
+ lua_pushlstring(L, name.c_str(), name.size());
+ lua_pushlstring(L, value.c_str(), value.size());
+ lua_settable(L, -3);
+ }
+ }
+ lua_setfield(L, -2, "fields");
+ // inventory
+ lua_newtable(L);
+ Inventory *inv = meta->getInventory();
+ if(inv){
+ std::vector<const InventoryList*> lists = inv->getLists();
+ for(std::vector<const InventoryList*>::const_iterator
+ i = lists.begin(); i != lists.end(); i++){
+ inventory_get_list_to_lua(inv, (*i)->getName().c_str(), L);
+ lua_setfield(L, -2, (*i)->getName().c_str());
+ }
+ }
+ lua_setfield(L, -2, "inventory");
return 1;
}
- // reset_inventory_modified(self)
- static int l_reset_inventory_modified(lua_State *L)
+ // from_table(self, table)
+ static int l_from_table(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;
- }
+ int base = 2;
- // 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;
- }
+ if(lua_isnil(L, base)){
+ // No metadata
+ ref->m_env->getMap().removeNodeMetadata(ref->m_p);
+ lua_pushboolean(L, true);
+ return 1;
+ }
- // 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);
+ // Has metadata; clear old one first
+ ref->m_env->getMap().removeNodeMetadata(ref->m_p);
+ // Create new metadata
+ NodeMetadata *meta = getmeta(ref, true);
+ // Set fields
+ lua_getfield(L, base, "fields");
+ int fieldstable = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, fieldstable) != 0){
+ // key at index -2 and value at index -1
+ std::string name = lua_tostring(L, -2);
+ size_t cl;
+ const char *cs = lua_tolstring(L, -1, &cl);
+ std::string value(cs, cl);
+ meta->setString(name, value);
+ lua_pop(L, 1); // removes value, keeps key for next iteration
+ }
+ // Set inventory
+ Inventory *inv = meta->getInventory();
+ lua_getfield(L, base, "inventory");
+ int inventorytable = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, inventorytable) != 0){
+ // key at index -2 and value at index -1
+ std::string name = lua_tostring(L, -2);
+ inventory_set_list_from_lua(inv, name.c_str(), L, -1);
+ lua_pop(L, 1); // removes value, keeps key for next iteration
+ }
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 = luaL_checkstring(L, 2);
- std::string str = meta->getString(name);
- lua_pushlstring(L, str.c_str(), str.size());
+ lua_pushboolean(L, true);
return 1;
}
};
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_owner),
- method(NodeMetaRef, get_allow_removal),
- method(NodeMetaRef, set_infotext),
- method(NodeMetaRef, get_inventory),
- 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),
+ 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, to_table),
+ method(NodeMetaRef, from_table),
{0,0}
};
static const char className[];
static const luaL_reg methods[];
-
+public:
static ObjectRef *checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
if(!ud) luaL_typerror(L, narg, className);
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);
return NULL;
return (LuaEntitySAO*)obj;
}
-
- static ServerRemotePlayer* getplayer(ObjectRef *ref)
+
+ static PlayerSAO* getplayersao(ObjectRef *ref)
{
ServerActiveObject *obj = getobject(ref);
if(obj == NULL)
return NULL;
if(obj->getType() != ACTIVEOBJECT_TYPE_PLAYER)
return NULL;
- return static_cast<ServerRemotePlayer*>(obj);
+ 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));
co->m_removed = true;
return 0;
}
-
+
// getpos(self)
// returns: {x=num, y=num, z=num}
static int l_getpos(lua_State *L)
lua_setfield(L, -2, "z");
return 1;
}
-
+
// setpos(self, pos)
static int l_setpos(lua_State *L)
{
v3f pos = checkFloatPos(L, 2);
// Do it
co->setPos(pos);
- // Move player if applicable
- ServerRemotePlayer *player = getplayer(ref);
- if(player != NULL)
- get_server(L)->SendMovePlayer(player);
return 0;
}
-
+
// moveto(self, pos, continuous=false)
static int l_moveto(lua_State *L)
{
return 0;
}
- // punch(self, puncher, tool_capabilities, direction, time_from_last_punch)
+ // punch(self, puncher, time_from_last_punch, tool_capabilities, dir)
static int l_punch(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
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);
+ v3f dir;
+ if(lua_type(L, 5) != LUA_TTABLE)
+ dir = co->getBasePosition() - puncher->getBasePosition();
+ else
+ dir = read_v3f(L, 5);
float time_from_last_punch = 1000000;
- if(lua_isnumber(L, 5))
- time_from_last_punch = lua_tonumber(L, 5);
+ if(lua_isnumber(L, 3))
+ time_from_last_punch = lua_tonumber(L, 3);
+ ToolCapabilities toolcap = read_tool_capabilities(L, 4);
+ dir.normalize();
// Do it
- puncher->punch(dir, &toolcap, puncher, time_from_last_punch);
+ co->punch(dir, &toolcap, puncher, time_from_last_punch);
return 0;
}
{
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
+ if(co == NULL){
+ // Default hp is 1
+ lua_pushnumber(L, 1);
+ return 1;
+ }
int hp = co->getHP();
/*infostream<<"ObjectRef::l_get_hp(): id="<<co->getId()
<<" hp="<<hp<<std::endl;*/
if(get_server(L)->getInventory(loc) != NULL)
InvRef::create(L, loc);
else
- lua_pushnil(L);
+ lua_pushnil(L); // An object may have no inventory (nil)
return 1;
}
{
ObjectRef *ref = checkobject(L, 1);
ServerActiveObject *co = getobject(ref);
- if(co == NULL) return 0;
+ if(co == NULL){
+ // Empty ItemStack
+ LuaItemStack::create(L, ItemStack());
+ return 1;
+ }
// Do it
LuaItemStack::create(L, co->getWieldedItem());
return 1;
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_animation(self, frame_range, frame_speed, frame_blend)
+ static int l_set_animation(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ v2f frames = v2f(1, 1);
+ if(!lua_isnil(L, 2))
+ frames = read_v2f(L, 2);
+ float frame_speed = 15;
+ if(!lua_isnil(L, 3))
+ frame_speed = lua_tonumber(L, 3);
+ float frame_blend = 0;
+ if(!lua_isnil(L, 4))
+ frame_blend = lua_tonumber(L, 4);
+ co->setAnimation(frames, frame_speed, frame_blend);
+ return 0;
+ }
+
+ // set_bone_position(self, std::string bone, v3f position, v3f rotation)
+ static int l_set_bone_position(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ std::string bone = "";
+ if(!lua_isnil(L, 2))
+ bone = lua_tostring(L, 2);
+ v3f position = v3f(0, 0, 0);
+ if(!lua_isnil(L, 3))
+ position = read_v3f(L, 3);
+ v3f rotation = v3f(0, 0, 0);
+ if(!lua_isnil(L, 4))
+ rotation = read_v3f(L, 4);
+ co->setBonePosition(bone, position, rotation);
+ return 0;
+ }
+
+ // set_attach(self, parent, bone, position, rotation)
+ static int l_set_attach(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ObjectRef *parent_ref = checkobject(L, 2);
+ ServerActiveObject *co = getobject(ref);
+ ServerActiveObject *parent = getobject(parent_ref);
+ if(co == NULL) return 0;
+ if(parent == NULL) return 0;
+ // Do it
+ std::string bone = "";
+ if(!lua_isnil(L, 3))
+ bone = lua_tostring(L, 3);
+ v3f position = v3f(0, 0, 0);
+ if(!lua_isnil(L, 4))
+ position = read_v3f(L, 4);
+ v3f rotation = v3f(0, 0, 0);
+ if(!lua_isnil(L, 5))
+ rotation = read_v3f(L, 5);
+ co->setAttachment(parent->getId(), bone, position, rotation);
+ return 0;
+ }
+
+ // set_detach(self)
+ static int l_set_detach(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ ServerActiveObject *co = getobject(ref);
+ if(co == NULL) return 0;
+ // Do it
+ co->setAttachment(0, "", v3f(0,0,0), v3f(0,0,0));
+ 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})
ObjectRef *ref = checkobject(L, 1);
LuaEntitySAO *co = getluaobject(ref);
if(co == NULL) return 0;
- // pos
v3f pos = checkFloatPos(L, 2);
// Do it
co->setVelocity(pos);
return 0;
}
-
+
// getvelocity(self)
static int l_getvelocity(lua_State *L)
{
pushFloatPos(L, v);
return 1;
}
-
+
// setacceleration(self, {x=num, y=num, z=num})
static int l_setacceleration(lua_State *L)
{
co->setAcceleration(pos);
return 0;
}
-
+
// getacceleration(self)
static int l_getacceleration(lua_State *L)
{
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;
- // pos
float yaw = luaL_checknumber(L, 2) * core::RADTODEG;
// Do it
co->setYaw(yaw);
return 0;
}
-
+
// getyaw(self)
static int l_getyaw(lua_State *L)
{
lua_pushnumber(L, yaw);
return 1;
}
-
+
// settexturemod(self, mod)
static int l_settexturemod(lua_State *L)
{
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)
return 0;
}
- // set_armor_groups(self, groups)
- static int l_set_armor_groups(lua_State *L)
- {
- ObjectRef *ref = checkobject(L, 1);
- LuaEntitySAO *co = getluaobject(ref);
- if(co == NULL) return 0;
- // Do it
- ItemGroupList groups;
- read_groups(L, 2, groups);
- co->setArmorGroups(groups);
- return 0;
- }
-
// DEPRECATED
// get_entity_name(self)
static int l_get_entity_name(lua_State *L)
lua_pushstring(L, name.c_str());
return 1;
}
-
+
// get_luaentity(self)
static int l_get_luaentity(lua_State *L)
{
luaentity_get(L, co->getId());
return 1;
}
-
+
/* Player-only */
-
+
+ // is_player(self)
+ static int l_is_player(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ lua_pushboolean(L, (player != NULL));
+ return 1;
+ }
+
// get_player_name(self)
static int l_get_player_name(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
+ Player *player = getplayer(ref);
if(player == NULL){
- lua_pushnil(L);
+ lua_pushlstring(L, "", 0);
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);
- ServerRemotePlayer *player = getplayer(ref);
+ Player *player = getplayer(ref);
if(player == NULL) return 0;
// Do it
float pitch = player->getRadPitch();
static int l_get_look_pitch(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
+ Player *player = getplayer(ref);
if(player == NULL) return 0;
// Do it
lua_pushnumber(L, player->getRadPitch());
static int l_get_look_yaw(lua_State *L)
{
ObjectRef *ref = checkobject(L, 1);
- ServerRemotePlayer *player = getplayer(ref);
+ Player *player = getplayer(ref);
if(player == NULL) return 0;
// Do it
lua_pushnumber(L, player->getRadYaw());
return 1;
}
+ // set_inventory_formspec(self, formspec)
+ static int l_set_inventory_formspec(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+ std::string formspec = luaL_checkstring(L, 2);
+
+ player->inventory_formspec = formspec;
+ get_server(L)->reportInventoryFormspecModified(player->getName());
+ lua_pushboolean(L, true);
+ return 1;
+ }
+
+ // get_inventory_formspec(self) -> formspec
+ static int l_get_inventory_formspec(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL) return 0;
+
+ std::string formspec = player->inventory_formspec;
+ lua_pushlstring(L, formspec.c_str(), formspec.size());
+ return 1;
+ }
+
+ // get_player_control(self)
+ static int l_get_player_control(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ // Do it
+ PlayerControl control = player->getPlayerControl();
+ lua_newtable(L);
+ lua_pushboolean(L, control.up);
+ lua_setfield(L, -2, "up");
+ lua_pushboolean(L, control.down);
+ lua_setfield(L, -2, "down");
+ lua_pushboolean(L, control.left);
+ lua_setfield(L, -2, "left");
+ lua_pushboolean(L, control.right);
+ lua_setfield(L, -2, "right");
+ lua_pushboolean(L, control.jump);
+ lua_setfield(L, -2, "jump");
+ lua_pushboolean(L, control.aux1);
+ lua_setfield(L, -2, "aux1");
+ lua_pushboolean(L, control.sneak);
+ lua_setfield(L, -2, "sneak");
+ lua_pushboolean(L, control.LMB);
+ lua_setfield(L, -2, "LMB");
+ lua_pushboolean(L, control.RMB);
+ lua_setfield(L, -2, "RMB");
+ return 1;
+ }
+
+ // get_player_control_bits(self)
+ static int l_get_player_control_bits(lua_State *L)
+ {
+ ObjectRef *ref = checkobject(L, 1);
+ Player *player = getplayer(ref);
+ if(player == NULL){
+ lua_pushlstring(L, "", 0);
+ return 1;
+ }
+ // Do it
+ lua_pushnumber(L, player->keyPressed);
+ return 1;
+ }
+
public:
ObjectRef(ServerActiveObject *object):
m_object(object)
ObjectRef *o = checkobject(L, -1);
o->m_object = NULL;
}
-
+
static void Register(lua_State *L)
{
lua_newtable(L);
method(ObjectRef, get_wield_index),
method(ObjectRef, get_wielded_item),
method(ObjectRef, set_wielded_item),
+ method(ObjectRef, set_armor_groups),
+ method(ObjectRef, set_animation),
+ method(ObjectRef, set_bone_position),
+ method(ObjectRef, set_attach),
+ method(ObjectRef, set_detach),
+ method(ObjectRef, set_properties),
// LuaEntitySAO-only
method(ObjectRef, setvelocity),
method(ObjectRef, getvelocity),
method(ObjectRef, getyaw),
method(ObjectRef, settexturemod),
method(ObjectRef, setsprite),
- method(ObjectRef, set_armor_groups),
method(ObjectRef, get_entity_name),
method(ObjectRef, get_luaentity),
// Player-only
+ method(ObjectRef, is_player),
method(ObjectRef, get_player_name),
method(ObjectRef, get_look_dir),
method(ObjectRef, get_look_pitch),
method(ObjectRef, get_look_yaw),
+ method(ObjectRef, set_inventory_formspec),
+ method(ObjectRef, get_inventory_formspec),
+ method(ObjectRef, get_player_control),
+ method(ObjectRef, get_player_control_bits),
{0,0}
};
-// Creates a new anonymous reference if id=0
+// Creates a new anonymous reference if cobj=NULL or id=0
static void objectref_get_or_create(lua_State *L,
ServerActiveObject *cobj)
{
- if(cobj->getId() == 0){
+ if(cobj == NULL || cobj->getId() == 0){
ObjectRef::create(L, cobj);
} else {
objectref_get(L, cobj->getId());
}
}
+
/*
- EnvRef
-*/
+ PerlinNoise
+ */
-class EnvRef
+class LuaPerlinNoise
{
private:
- ServerEnvironment *m_env;
-
+ int seed;
+ int octaves;
+ float persistence;
+ float scale;
static const char className[];
static const luaL_reg methods[];
- static EnvRef *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 *(EnvRef**)ud; // unbox pointer
+ LuaPerlinNoise *o = *(LuaPerlinNoise **)(lua_touserdata(L, 1));
+ delete o;
+ return 0;
}
-
- // Exported functions
- // EnvRef:add_node(pos, node)
- // pos = {x=num, y=num, z=num}
- static int l_add_node(lua_State *L)
+ static int l_get2d(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 = 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);
+ 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;
}
-
- // EnvRef:remove_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_remove_node(lua_State *L)
+ static int l_get3d(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);
+ 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;
}
- // EnvRef:get_node(pos)
- // pos = {x=num, y=num, z=num}
- static int l_get_node(lua_State *L)
+public:
+ LuaPerlinNoise(int a_seed, int a_octaves, float a_persistence,
+ float a_scale):
+ seed(a_seed),
+ octaves(a_octaves),
+ persistence(a_persistence),
+ scale(a_scale)
{
- //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)
+ ~LuaPerlinNoise()
{
- //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)
+ // LuaPerlinNoise(seed, octaves, persistence, scale)
+ // Creates an LuaPerlinNoise and leaves it on top of stack
+ static int create_object(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;
- }
+ int seed = luaL_checkint(L, 1);
+ int octaves = luaL_checkint(L, 2);
+ float persistence = luaL_checknumber(L, 3);
+ float 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;
}
- // EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
- // pos = {x=num, y=num, z=num}
- static int l_add_entity(lua_State *L)
+ static LuaPerlinNoise* checkobject(lua_State *L, int narg)
{
- //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;
+ 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
}
- // 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)
+ static void Register(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;
- // 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;
+ 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: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;
+/*
+ NodeTimerRef
+*/
+
+class NodeTimerRef
+{
+private:
+ v3s16 m_p;
+ ServerEnvironment *m_env;
+
+ static const char className[];
+ static const luaL_reg methods[];
+
+ static int gc_object(lua_State *L) {
+ NodeTimerRef *o = *(NodeTimerRef **)(lua_touserdata(L, 1));
+ delete o;
return 0;
}
- // EnvRef:add_firefly(pos)
- // pos = {x=num, y=num, z=num}
- static int l_add_firefly(lua_State *L)
+ static NodeTimerRef *checkobject(lua_State *L, int narg)
{
- infostream<<"EnvRef::l_add_firefly(): C++ mobs have been removed."
- <<" Doing nothing."<<std::endl;
- return 0;
+ luaL_checktype(L, narg, LUA_TUSERDATA);
+ void *ud = luaL_checkudata(L, narg, className);
+ if(!ud) luaL_typerror(L, narg, className);
+ return *(NodeTimerRef**)ud; // unbox pointer
}
- // EnvRef:get_meta(pos)
- static int l_get_meta(lua_State *L)
+ static int l_set(lua_State *L)
{
- //infostream<<"EnvRef::l_get_meta()"<<std::endl;
- EnvRef *o = checkobject(L, 1);
+ NodeTimerRef *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;
+ f32 t = luaL_checknumber(L,2);
+ f32 e = luaL_checknumber(L,3);
+ env->getMap().setNodeTimer(o->m_p,NodeTimer(t,e));
+ return 0;
}
- // EnvRef:get_player_by_name(name)
- static int l_get_player_by_name(lua_State *L)
+ static int l_start(lua_State *L)
{
- EnvRef *o = checkobject(L, 1);
+ NodeTimerRef *o = checkobject(L, 1);
ServerEnvironment *env = o->m_env;
if(env == 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);
- return 1;
+ f32 t = luaL_checknumber(L,2);
+ env->getMap().setNodeTimer(o->m_p,NodeTimer(t,0));
+ return 0;
}
- // EnvRef:get_objects_inside_radius(pos, radius)
- static int l_get_objects_inside_radius(lua_State *L)
+ static int l_stop(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);
+ NodeTimerRef *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;
+ env->getMap().removeNodeTimer(o->m_p);
+ return 0;
}
- // EnvRef:set_timeofday(val)
- // val = 0...1
- static int l_set_timeofday(lua_State *L)
+ static int l_is_started(lua_State *L)
{
- EnvRef *o = checkobject(L, 1);
+ NodeTimerRef *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;
+
+ NodeTimer t = env->getMap().getNodeTimer(o->m_p);
+ lua_pushboolean(L,(t.timeout != 0));
+ return 1;
}
- // EnvRef:get_timeofday() -> 0...1
- static int l_get_timeofday(lua_State *L)
+ static int l_get_timeout(lua_State *L)
{
- EnvRef *o = checkobject(L, 1);
+ NodeTimerRef *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);
+
+ NodeTimer t = env->getMap().getNodeTimer(o->m_p);
+ lua_pushnumber(L,t.timeout);
return 1;
}
- static int gc_object(lua_State *L) {
- EnvRef *o = *(EnvRef **)(lua_touserdata(L, 1));
- delete o;
- return 0;
+ static int l_get_elapsed(lua_State *L)
+ {
+ NodeTimerRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+
+ NodeTimer t = env->getMap().getNodeTimer(o->m_p);
+ lua_pushnumber(L,t.elapsed);
+ return 1;
}
public:
- EnvRef(ServerEnvironment *env):
+ NodeTimerRef(v3s16 p, ServerEnvironment *env):
+ m_p(p),
m_env(env)
{
- //infostream<<"EnvRef created"<<std::endl;
}
- ~EnvRef()
+ ~NodeTimerRef()
{
- //infostream<<"EnvRef destructing"<<std::endl;
}
- // Creates an EnvRef and leaves it on top of stack
+ // Creates an NodeTimerRef 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)
+ static void create(lua_State *L, v3s16 p, ServerEnvironment *env)
{
- EnvRef *o = new EnvRef(env);
- //infostream<<"EnvRef::create: o="<<o<<std::endl;
+ NodeTimerRef *o = new NodeTimerRef(p, env);
*(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);
+ NodeTimerRef *o = checkobject(L, -1);
o->m_env = NULL;
}
-
+
static void Register(lua_State *L)
{
lua_newtable(L);
//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),
- method(EnvRef, set_timeofday),
- method(EnvRef, get_timeofday),
+const char NodeTimerRef::className[] = "NodeTimerRef";
+const luaL_reg NodeTimerRef::methods[] = {
+ method(NodeTimerRef, start),
+ method(NodeTimerRef, set),
+ method(NodeTimerRef, stop),
+ method(NodeTimerRef, is_started),
+ method(NodeTimerRef, get_timeout),
+ method(NodeTimerRef, get_elapsed),
{0,0}
};
/*
- Global functions
+ EnvRef
*/
-class LuaABM : public ActiveBlockModifier
+class EnvRef
{
private:
- lua_State *m_lua;
- int m_id;
+ ServerEnvironment *m_env;
- 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)
- {
+ 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;
}
- virtual std::set<std::string> getTriggerContents()
+
+ static EnvRef *checkobject(lua_State *L, int narg)
{
- return m_trigger_contents;
+ 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
}
- virtual std::set<std::string> getRequiredNeighbors()
+
+ // Exported functions
+
+ // EnvRef:set_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_set_node(lua_State *L)
{
- return m_required_neighbors;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ // parameters
+ v3s16 pos = read_v3s16(L, 2);
+ MapNode n = readnode(L, 3, ndef);
+ // Do it
+ bool succeeded = env->setNode(pos, n);
+ lua_pushboolean(L, succeeded);
+ return 1;
}
- virtual float getTriggerInterval()
+
+ static int l_add_node(lua_State *L)
{
- return m_trigger_interval;
+ return l_set_node(L);
}
- virtual u32 getTriggerChance()
+
+ // EnvRef:remove_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_remove_node(lua_State *L)
{
- return m_trigger_chance;
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+ // parameters
+ v3s16 pos = read_v3s16(L, 2);
+ // Do it
+ bool succeeded = env->removeNode(pos);
+ lua_pushboolean(L, succeeded);
+ return 1;
}
- 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);
+ // EnvRef:get_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node(lua_State *L)
+ {
+ 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());
- 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));
+ return 1;
}
-};
-
-// 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))
+ // EnvRef:get_node_or_nil(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_get_node_or_nil(lua_State *L)
{
- text = lua_tostring(L, 1);
+ 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;
+ }
}
- else
+
+ // 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)
{
- 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;
+ 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, true);
+ 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;
+ }
}
- 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();
+ // EnvRef:place_node(pos, node)
+ // pos = {x=num, y=num, z=num}
+ static int l_place_node(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 pos = read_v3s16(L, 2);
+ MapNode n = readnode(L, 3, env->getGameDef()->ndef());
- // 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");
+ // Don't attempt to load non-loaded area as of now
+ MapNode n_old = env->getMap().getNodeNoEx(pos);
+ if(n_old.getContent() == CONTENT_IGNORE){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ // Create item to place
+ INodeDefManager *ndef = get_server(L)->ndef();
+ IItemDefManager *idef = get_server(L)->idef();
+ ItemStack item(ndef->get(n).name, 1, 0, "", idef);
+ // Make pointed position
+ PointedThing pointed;
+ pointed.type = POINTEDTHING_NODE;
+ pointed.node_abovesurface = pos;
+ pointed.node_undersurface = pos + v3s16(0,-1,0);
+ // Place it with a NULL placer (appears in Lua as a non-functional
+ // ObjectRef)
+ bool success = scriptapi_item_on_place(L, item, NULL, pointed);
+ lua_pushboolean(L, success);
+ return 1;
}
- // Check if on_use is defined
+ // EnvRef:dig_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_dig_node(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 pos = read_v3s16(L, 2);
- // Read the item definition and register it
- ItemDefinition def = read_item_definition(L, table);
- idef->registerItem(def);
+ // Don't attempt to load non-loaded area as of now
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ if(n.getContent() == CONTENT_IGNORE){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ // Dig it out with a NULL digger (appears in Lua as a
+ // non-functional ObjectRef)
+ bool success = scriptapi_node_on_dig(L, pos, n, NULL);
+ lua_pushboolean(L, success);
+ return 1;
+ }
- // Read the node definition (content features) and register it
- if(def.type == ITEM_NODE)
+ // EnvRef:punch_node(pos)
+ // pos = {x=num, y=num, z=num}
+ static int l_punch_node(lua_State *L)
{
- ContentFeatures f = read_content_features(L, table);
- ndef->set(f.name, f);
- }
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 pos = read_v3s16(L, 2);
- return 0; /* number of results */
-}
+ // Don't attempt to load non-loaded area as of now
+ MapNode n = env->getMap().getNodeNoEx(pos);
+ if(n.getContent() == CONTENT_IGNORE){
+ lua_pushboolean(L, false);
+ return 1;
+ }
+ // Punch it with a NULL puncher (appears in Lua as a non-functional
+ // ObjectRef)
+ bool success = scriptapi_node_on_punch(L, pos, n, NULL);
+ lua_pushboolean(L, success);
+ return 1;
+ }
-// 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);
+ // 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;
+ }
- // 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 */
-}
+ // EnvRef:get_node_timer(pos)
+ static int l_get_node_timer(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ // Do it
+ v3s16 p = read_v3s16(L, 2);
+ NodeTimerRef::create(L, p, env);
+ return 1;
+ }
-// 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)
+ // 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_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);
+ float persistence = luaL_checknumber(L, 4);
+ float 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;
+ }
+
+ // EnvRef:clear_objects()
+ // clear all objects in the environment
+ static int l_clear_objects(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ o->m_env->clearAllObjects();
+ return 0;
+ }
+
+ static int l_spawn_tree(lua_State *L)
+ {
+ EnvRef *o = checkobject(L, 1);
+ ServerEnvironment *env = o->m_env;
+ if(env == NULL) return 0;
+ v3s16 p0 = read_v3s16(L, 2);
+
+ treegen::TreeDef tree_def;
+ std::string trunk,leaves,fruit;
+ INodeDefManager *ndef = env->getGameDef()->ndef();
+
+ if(lua_istable(L, 3))
+ {
+ getstringfield(L, 3, "axiom", tree_def.initial_axiom);
+ getstringfield(L, 3, "rules_a", tree_def.rules_a);
+ getstringfield(L, 3, "rules_b", tree_def.rules_b);
+ getstringfield(L, 3, "rules_c", tree_def.rules_c);
+ getstringfield(L, 3, "rules_d", tree_def.rules_d);
+ getstringfield(L, 3, "trunk", trunk);
+ tree_def.trunknode=ndef->getId(trunk);
+ getstringfield(L, 3, "leaves", leaves);
+ tree_def.leavesnode=ndef->getId(leaves);
+ tree_def.leaves2_chance=0;
+ getstringfield(L, 3, "leaves2", leaves);
+ if (leaves !="")
+ {
+ tree_def.leaves2node=ndef->getId(leaves);
+ getintfield(L, 3, "leaves2_chance", tree_def.leaves2_chance);
+ }
+ getintfield(L, 3, "angle", tree_def.angle);
+ getintfield(L, 3, "iterations", tree_def.iterations);
+ getintfield(L, 3, "random_level", tree_def.iterations_random_level);
+ getstringfield(L, 3, "trunk_type", tree_def.trunk_type);
+ getboolfield(L, 3, "thin_branches", tree_def.thin_branches);
+ tree_def.fruit_chance=0;
+ getstringfield(L, 3, "fruit", fruit);
+ if (fruit != "")
+ {
+ tree_def.fruitnode=ndef->getId(fruit);
+ getintfield(L, 3, "fruit_chance",tree_def.fruit_chance);
+ }
+ }
+ else
+ return 0;
+ treegen::spawn_ltree (env, p0, ndef, tree_def);
+ 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, place_node),
+ method(EnvRef, dig_node),
+ method(EnvRef, punch_node),
+ method(EnvRef, add_entity),
+ method(EnvRef, add_item),
+ method(EnvRef, add_rat),
+ method(EnvRef, add_firefly),
+ method(EnvRef, get_meta),
+ method(EnvRef, get_node_timer),
+ 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),
+ //method{EnvRef, get_perlin_map_2d},
+ //method{EnvRef, get_perlin_map_3d},
+ method(EnvRef, clear_objects),
+ method(EnvRef, spawn_tree),
+ {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){
+ errorstream<<"PseudoRandom.next(): max="<<max<<" min="<<min<<std::endl;
+ throw LuaError(L, "PseudoRandom.next(): max < min");
+ }
+ 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;
+}
+
+// request_shutdown()
+static int l_request_shutdown(lua_State *L)
+{
+ get_server(L)->requestShutdown();
+ return 0;
+}
+
+// get_server_status()
+static int l_get_server_status(lua_State *L)
+{
+ lua_pushstring(L, wide_to_narrow(get_server(L)->getStatusString()).c_str());
+ return 1;
+}
+
+// register_biome_groups({frequencies})
+static int l_register_biome_groups(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int index = 1;
+ if (!lua_istable(L, index))
+ throw LuaError(L, "register_biome_groups: parameter is not a table");
+
+ BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
+ if (!bmgr) {
+ verbosestream << "register_biome_groups: BiomeDefManager not active" << std::endl;
+ return 0;
+ }
+
+ lua_pushnil(L);
+ for (int i = 1; lua_next(L, index) != 0; i++) {
+ bmgr->addBiomeGroup(lua_tonumber(L, -1));
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+
+ return 0;
+}
+
+// register_biome({lots of stuff})
+static int l_register_biome(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int index = 1, groupid;
+ std::string nodename;
+
+ IWritableNodeDefManager *ndef = get_server(L)->getWritableNodeDefManager();
+ BiomeDefManager *bmgr = get_server(L)->getBiomeDef();
+ if (!bmgr) {
+ verbosestream << "register_biome: BiomeDefManager not active" << std::endl;
+ return 0;
+ }
+
+ groupid = getintfield_default(L, index, "group_id", 0);
+
+ enum BiomeTerrainType terrain = (BiomeTerrainType)getenumfield(L, index,
+ "terrain_type", es_BiomeTerrainType, BIOME_TERRAIN_NORMAL);
+ Biome *b = bmgr->createBiome(terrain);
+
+ b->name = getstringfield_default(L, index, "name", "");
+
+ if (getstringfield(L, index, "node_top", nodename))
+ b->n_top = MapNode(ndef->getId(nodename));
+ else
+ b->n_top = MapNode(CONTENT_IGNORE);
+
+ if (getstringfield(L, index, "node_filler", nodename))
+ b->n_filler = MapNode(ndef->getId(nodename));
+ else
+ b->n_filler = b->n_top;
+
+ b->ntopnodes = getintfield_default(L, index, "num_top_nodes", 0);
+
+ b->height_min = getintfield_default(L, index, "height_min", 0);
+ b->height_max = getintfield_default(L, index, "height_max", 0);
+ b->heat_min = getfloatfield_default(L, index, "heat_min", 0.);
+ b->heat_max = getfloatfield_default(L, index, "heat_max", 0.);
+ b->humidity_min = getfloatfield_default(L, index, "humidity_min", 0.);
+ b->humidity_max = getfloatfield_default(L, index, "humidity_max", 0.);
+
+ b->np = new NoiseParams; // should read an entire NoiseParams later on...
+ getfloatfield(L, index, "scale", b->np->scale);
+ getfloatfield(L, index, "offset", b->np->offset);
+
+ b->groupid = (s8)groupid;
+ b->flags = 0; //reserved
+
+ bmgr->addBiome(b);
+
+ verbosestream << "register_biome: " << b->name << std::endl;
+ 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
+ std::string name;
+ lua_getfield(L, table, "name");
+ if(lua_isstring(L, -1)){
+ 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
+
+ ItemDefinition def;
+ // Set a distinctive default value to check if this is set
+ def.node_placement_prediction = "__default";
+
+ // Read the item definition
+ def = read_item_definition(L, table, def);
+
+ // Default to having client-side placement prediction for nodes
+ // ("" in item definition sets it off)
+ if(def.node_placement_prediction == "__default"){
+ if(def.type == ITEM_NODE)
+ def.node_placement_prediction = name;
+ else
+ def.node_placement_prediction = "";
+ }
+
+ // Register item definition
+ 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;
+ 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);
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (cooking output=\"" + output + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionCooking(
+ output, recipe, cooktime, replacements);
+ 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);
+
+ CraftReplacements replacements;
+ lua_getfield(L, table, "replacements");
+ if(!lua_isnil(L, -1))
+ {
+ if(!read_craft_replacements(L, -1, replacements))
+ throw LuaError(L, "Invalid replacements"
+ " (fuel recipe=\"" + recipe + "\")");
+ }
+
+ CraftDefinition *def = new CraftDefinitionFuel(
+ recipe, burntime, replacements);
+ 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;
+}
+
+// get_ban_list()
+static int l_get_ban_list(lua_State *L)
+{
+ lua_pushstring(L, get_server(L)->getBanDescription("").c_str());
+ return 1;
+}
+
+// get_ban_description()
+static int l_get_ban_description(lua_State *L)
+{
+ const char * ip_or_name = luaL_checkstring(L, 1);
+ lua_pushstring(L, get_server(L)->getBanDescription(std::string(ip_or_name)).c_str());
+ return 1;
+}
+
+// ban_player()
+static int l_ban_player(lua_State *L)
+{
+ const char * name = luaL_checkstring(L, 1);
+ Player *player = get_env(L)->getPlayer(name);
+ if(player == NULL)
+ {
+ lua_pushboolean(L, false); // no such player
+ return 1;
+ }
+ try
+ {
+ Address addr = get_server(L)->getPeerAddress(get_env(L)->getPlayer(name)->peer_id);
+ std::string ip_str = addr.serializeString();
+ get_server(L)->setIpBanned(ip_str, name);
+ }
+ catch(con::PeerNotFoundException) // unlikely
+ {
+ dstream << __FUNCTION_NAME << ": peer was not found" << std::endl;
+ lua_pushboolean(L, false); // error
+ return 1;
+ }
+ lua_pushboolean(L, true);
+ return 1;
+}
+
+// unban_player_or_ip()
+static int l_unban_player_of_ip(lua_State *L)
+{
+ const char * ip_or_name = luaL_checkstring(L, 1);
+ get_server(L)->unsetIpBanned(ip_or_name);
+ lua_pushboolean(L, true);
+ return 1;
+}
+
+// get_inventory(location)
+static int l_get_inventory(lua_State *L)
+{
+ InventoryLocation loc;
+
+ 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);
+ } else if(type == "detached"){
+ std::string name = checkstringfield(L, 1, "name");
+ loc.setDetached(name);
+ }
+
+ if(get_server(L)->getInventory(loc) != NULL)
+ InvRef::create(L, loc);
+ else
+ lua_pushnil(L);
+ return 1;
+}
+
+// create_detached_inventory_raw(name)
+static int l_create_detached_inventory_raw(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ if(get_server(L)->createDetachedInventory(name) != NULL){
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ }else{
+ lua_pushnil(L);
+ }
+ return 1;
+}
+
+// show_formspec(playername,formname,formspec)
+static int l_show_formspec(lua_State *L)
+{
+ const char *playername = luaL_checkstring(L, 1);
+ const char *formname = luaL_checkstring(L, 2);
+ const char *formspec = luaL_checkstring(L, 3);
+
+ if(get_server(L)->showFormspec(playername,formspec,formname))
+ {
+ lua_pushboolean(L, true);
+ }else{
+ lua_pushboolean(L, false);
+ }
+ return 1;
+}
+
+// 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;
+}
+
+// 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;
+}
+
+// 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;
+ }
+ const ModSpec *mod = get_server(L)->getModSpec(modname);
+ if(!mod){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_pushstring(L, mod->path.c_str());
+ return 1;
+}
+
+// get_modnames()
+// the returned list is sorted alphabetically for you
+static int l_get_modnames(lua_State *L)
+{
+ // Get a list of mods
+ core::list<std::string> mods_unsorted, mods_sorted;
+ get_server(L)->getModNames(mods_unsorted);
+
+ // Take unsorted items from mods_unsorted and sort them into
+ // mods_sorted; not great performance but the number of mods on a
+ // server will likely be small.
+ for(core::list<std::string>::Iterator i = mods_unsorted.begin();
+ i != mods_unsorted.end(); i++)
+ {
+ bool added = false;
+ for(core::list<std::string>::Iterator x = mods_sorted.begin();
+ x != mods_unsorted.end(); x++)
+ {
+ // I doubt anybody using Minetest will be using
+ // anything not ASCII based :)
+ if((*i).compare(*x) <= 0)
+ {
+ mods_sorted.insert_before(x, *i);
+ added = true;
+ break;
+ }
+ }
+ if(!added)
+ mods_sorted.push_back(*i);
+ }
+
+ // Get the table insertion function from Lua.
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int insertion_func = lua_gettop(L);
+
+ // Package them up for Lua
+ lua_newtable(L);
+ int new_table = lua_gettop(L);
+ core::list<std::string>::Iterator i = mods_sorted.begin();
+ while(i != mods_sorted.end())
+ {
+ lua_pushvalue(L, insertion_func);
+ lua_pushvalue(L, new_table);
+ lua_pushstring(L, (*i).c_str());
+ if(lua_pcall(L, 2, 0, 0) != 0)
+ {
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ i++;
+ }
+ return 1;
+}
+
+// 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;
+}
+
+// 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;
+}
+
+// sound_stop(handle)
+static int l_sound_stop(lua_State *L)
+{
+ int handle = luaL_checkinteger(L, 1);
+ get_server(L)->stopSound(handle);
+ return 0;
+}
+
+// is_singleplayer()
+static int l_is_singleplayer(lua_State *L)
+{
+ lua_pushboolean(L, get_server(L)->isSingleplayer());
+ return 1;
+}
+
+// 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;
+}
+
+// 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;
+}
+
+// get_craft_result(input)
+static int l_get_craft_result(lua_State *L)
+{
+ int input_i = 1;
+ std::string method_s = getstringfield_default(L, input_i, "method", "normal");
+ enum CraftMethod method = (CraftMethod)getenumfield(L, input_i, "method",
+ es_CraftMethod, CRAFT_METHOD_NORMAL);
+ int width = 1;
+ lua_getfield(L, input_i, "width");
+ if(lua_isnumber(L, -1))
+ width = luaL_checkinteger(L, -1);
+ lua_pop(L, 1);
+ lua_getfield(L, input_i, "items");
+ std::vector<ItemStack> items = read_items(L, -1);
+ lua_pop(L, 1); // items
+
+ IGameDef *gdef = get_server(L);
+ ICraftDefManager *cdef = gdef->cdef();
+ CraftInput input(method, width, items);
+ CraftOutput output;
+ bool got = cdef->getCraftResult(input, output, true, gdef);
+ lua_newtable(L); // output table
+ if(got){
+ ItemStack item;
+ item.deSerialize(output.item, gdef->idef());
+ LuaItemStack::create(L, item);
+ lua_setfield(L, -2, "item");
+ setintfield(L, -1, "time", output.time);
+ } else {
+ LuaItemStack::create(L, ItemStack());
+ lua_setfield(L, -2, "item");
+ setintfield(L, -1, "time", 0);
+ }
+ lua_newtable(L); // decremented input table
+ lua_pushstring(L, method_s.c_str());
+ lua_setfield(L, -2, "method");
+ lua_pushinteger(L, width);
+ lua_setfield(L, -2, "width");
+ push_items(L, input.items);
+ lua_setfield(L, -2, "items");
+ return 2;
+}
+
+// get_craft_recipe(result item)
+static int l_get_craft_recipe(lua_State *L)
+{
+ int k = 0;
+ char tmp[20];
+ int input_i = 1;
+ std::string o_item = luaL_checkstring(L,input_i);
+
+ IGameDef *gdef = get_server(L);
+ ICraftDefManager *cdef = gdef->cdef();
+ CraftInput input;
+ CraftOutput output(o_item,0);
+ bool got = cdef->getCraftRecipe(input, output, gdef);
+ lua_newtable(L); // output table
+ if(got){
+ lua_newtable(L);
+ for(std::vector<ItemStack>::const_iterator
+ i = input.items.begin();
+ i != input.items.end(); i++, k++)
+ {
+ if (i->empty())
+ {
+ continue;
+ }
+ sprintf(tmp,"%d",k);
+ lua_pushstring(L,tmp);
+ lua_pushstring(L,i->name.c_str());
+ lua_settable(L, -3);
+ }
+ lua_setfield(L, -2, "items");
+ setintfield(L, -1, "width", input.width);
+ switch (input.method) {
+ case CRAFT_METHOD_NORMAL:
+ lua_pushstring(L,"normal");
+ break;
+ case CRAFT_METHOD_COOKING:
+ lua_pushstring(L,"cooking");
+ break;
+ case CRAFT_METHOD_FUEL:
+ lua_pushstring(L,"fuel");
+ break;
+ default:
+ lua_pushstring(L,"unknown");
+ }
+ lua_setfield(L, -2, "type");
+ } else {
+ lua_pushnil(L);
+ lua_setfield(L, -2, "items");
+ setintfield(L, -1, "width", 0);
+ }
+ return 1;
+}
+
+// rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds
+static int l_rollback_get_last_node_actor(lua_State *L)
+{
+ v3s16 p = read_v3s16(L, 1);
+ int range = luaL_checknumber(L, 2);
+ int seconds = luaL_checknumber(L, 3);
+ Server *server = get_server(L);
+ IRollbackManager *rollback = server->getRollbackManager();
+ v3s16 act_p;
+ int act_seconds = 0;
+ std::string actor = rollback->getLastNodeActor(p, range, seconds, &act_p, &act_seconds);
+ lua_pushstring(L, actor.c_str());
+ push_v3s16(L, act_p);
+ lua_pushnumber(L, act_seconds);
+ return 3;
+}
+
+// rollback_revert_actions_by(actor, seconds) -> bool, log messages
+static int l_rollback_revert_actions_by(lua_State *L)
+{
+ std::string actor = luaL_checkstring(L, 1);
+ int seconds = luaL_checknumber(L, 2);
+ Server *server = get_server(L);
+ IRollbackManager *rollback = server->getRollbackManager();
+ std::list<RollbackAction> actions = rollback->getRevertActions(actor, seconds);
+ std::list<std::string> log;
+ bool success = server->rollbackRevertActions(actions, &log);
+ // Push boolean result
+ lua_pushboolean(L, success);
+ // Get the table insert function and push the log table
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::list<std::string>::const_iterator i = log.begin();
+ i != log.end(); i++)
+ {
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ lua_pushstring(L, i->c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ lua_remove(L, -2); // Remove table
+ lua_remove(L, -2); // Remove insert
+ return 2;
+}
+
+static const struct luaL_Reg minetest_f [] = {
+ {"debug", l_debug},
+ {"log", l_log},
+ {"request_shutdown", l_request_shutdown},
+ {"get_server_status", l_get_server_status},
+ {"register_item_raw", l_register_item_raw},
+ {"register_alias_raw", l_register_alias_raw},
+ {"register_craft", l_register_craft},
+ {"register_biome", l_register_biome},
+ {"register_biome_groups", l_register_biome_groups},
+ {"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_ban_list", l_get_ban_list},
+ {"get_ban_description", l_get_ban_description},
+ {"ban_player", l_ban_player},
+ {"unban_player_or_ip", l_unban_player_of_ip},
+ {"get_inventory", l_get_inventory},
+ {"create_detached_inventory_raw", l_create_detached_inventory_raw},
+ {"show_formspec", l_show_formspec},
+ {"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_modnames", l_get_modnames},
+ {"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},
+ {"get_craft_result", l_get_craft_result},
+ {"get_craft_recipe", l_get_craft_recipe},
+ {"rollback_get_last_node_actor", l_rollback_get_last_node_actor},
+ {"rollback_revert_actions_by", l_rollback_revert_actions_by},
+ {NULL, NULL}
+};
+
+/*
+ Main export function
+*/
+
+void scriptapi_export(lua_State *L, Server *server)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ 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");
+
+ // 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, "object_refs");
+ lua_newtable(L);
+ lua_setfield(L, -2, "luaentities");
+
+ // Register wrappers
+ LuaItemStack::Register(L);
+ InvRef::Register(L);
+ NodeMetaRef::Register(L);
+ NodeTimerRef::Register(L);
+ ObjectRef::Register(L);
+ EnvRef::Register(L);
+ LuaPseudoRandom::Register(L);
+ LuaPerlinNoise::Register(L);
+}
+
+bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
+ const std::string &modname)
+{
+ ModNameStorer modnamestorer(L, modname);
+
+ if(!string_allowed(modname, "abcdefghijklmnopqrstuvwxyz"
+ "0123456789_")){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": modname does not follow naming conventions: "
+ <<"Only chararacters [a-z0-9_] are allowed."<<std::endl;
+ return false;
+ }
+
+ bool success = false;
+
+ try{
+ success = script_load(L, scriptpath.c_str());
+ }
+ catch(LuaError &e){
+ errorstream<<"Error loading mod \""<<modname
+ <<"\": "<<e.what()<<std::endl;
+ }
+
+ return success;
+}
+
+void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ verbosestream<<"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);
+ }
+ } else if(lua_isstring(L, -1)){
+ trigger_contents.insert(lua_tostring(L, -1));
+ }
+ lua_pop(L, 1);
+
+ std::set<std::string> required_neighbors;
+ lua_getfield(L, current_abm, "neighbors");
+ 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);
+ required_neighbors.insert(lua_tostring(L, -1));
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ }
+ } else if(lua_isstring(L, -1)){
+ required_neighbors.insert(lua_tostring(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,
+ required_neighbors, 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", 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);
+}
+
+/*
+ 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
+{
+ // 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);
+
+ // 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
+ 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));
+
+ // 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((bool)lua_toboolean(L, rv) == true &&
+ (bool)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((bool)lua_toboolean(L, rv) == false &&
+ (bool)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 &&
+ (bool)lua_toboolean(L, rv) == false)
+ break;
+ else if(mode == RUN_CALLBACKS_MODE_OR_SC &&
+ (bool)lua_toboolean(L, rv) == true)
+ break;
+
+ // value removed, keep key for next iteration
+ }
+
+ // Remove stuff from stack, leaving only the return value
+ lua_settop(L, rv);
- 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
+ // 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);
- colcount++;
+ lua_pushboolean(L, true);
}
- if(rowcount == 0){
- width = colcount;
- } else {
- if(colcount != width)
- return false;
+ else if(mode == RUN_CALLBACKS_MODE_OR ||
+ mode == RUN_CALLBACKS_MODE_OR_SC){
+ lua_pop(L, 1);
+ lua_pushboolean(L, 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)
+bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
+ const std::string &message)
{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- if(!lua_istable(L, index))
- return false;
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- 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;
+ // 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;
}
-// helper for register_craft
-static bool read_craft_replacements(lua_State *L, int index,
- CraftReplacements &replacements)
+void scriptapi_on_shutdown(lua_State *L)
{
- if(index < 0)
- index = lua_gettop(L) + 1 + index;
-
- if(!lua_istable(L, index))
- return false;
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- 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;
+ // Get registered shutdown hooks
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_shutdown");
+ // Call callbacks
+ scriptapi_run_callbacks(L, 0, RUN_CALLBACKS_MODE_FIRST);
}
-// 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");
+void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- 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 + "\")");
+ // Get minetest.registered_on_newplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_newplayers");
+ // Call callbacks
+ objectref_get_or_create(L, player);
+ scriptapi_run_callbacks(L, 1, RUN_CALLBACKS_MODE_FIRST);
+}
- 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 + "\")");
- }
+void scriptapi_on_dieplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- 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");
+ // 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);
+}
- 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 + "\")");
+bool scriptapi_on_respawnplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- 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 + "\")");
- }
+ // Get minetest.registered_on_respawnplayers
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_on_respawnplayers");
+ // 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;
+}
- 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);
+void scriptapi_on_joinplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- 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");
+ // 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);
+}
- std::string recipe = getstringfield_default(L, table, "recipe", "");
- if(recipe == "")
- throw LuaError(L, "Crafting definition (cooking)"
- " is missing a recipe"
- " (output=\"" + output + "\")");
+void scriptapi_on_leaveplayer(lua_State *L, ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- float cooktime = getfloatfield_default(L, table, "cooktime", 3.0);
+ // 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);
+}
- CraftDefinition *def = new CraftDefinitionCooking(
- output, recipe, cooktime);
- craftdef->registerCraft(def);
+static void get_auth_handler(lua_State *L)
+{
+ 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");
}
- /*
- 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");
+ if(lua_type(L, -1) != LUA_TTABLE)
+ throw LuaError(L, "Authentication handler table not valid");
+}
- float burntime = getfloatfield_default(L, table, "burntime", 1.0);
+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);
- CraftDefinition *def = new CraftDefinitionFuel(
- recipe, burntime);
- craftdef->registerCraft(def);
- }
- else
- {
- throw LuaError(L, "Unknown crafting definition type: \"" + type + "\"");
- }
+ 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);
+ 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 0; /* number of results */
+
+ return true;
}
-// setting_get(name)
-static int l_setting_get(lua_State *L)
+void scriptapi_create_auth(lua_State *L, const std::string &playername,
+ const std::string &password)
{
- 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;
-}
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
-// 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;
+ 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));
}
-// chat_send_all(text)
-static int l_chat_send_all(lua_State *L)
+bool scriptapi_set_password(lua_State *L, const std::string &playername,
+ const std::string &password)
{
- 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;
-}
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
-// 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_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);
}
-// get_player_privs(name, text)
-static int l_get_player_privs(lua_State *L)
+/*
+ player
+*/
+
+void scriptapi_on_player_receive_fields(lua_State *L,
+ ServerActiveObject *player,
+ const std::string &formname,
+ const std::map<std::string, std::string> &fields)
{
- const char *name = luaL_checkstring(L, 1);
- // Get server from registry
- Server *server = get_server(L);
- // Do it
+ 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_player_receive_fields");
+ // Call callbacks
+ // param 1
+ objectref_get_or_create(L, player);
+ // param 2
+ lua_pushstring(L, formname.c_str());
+ // param 3
lua_newtable(L);
- int table = lua_gettop(L);
- u64 privs_i = server->getPlayerEffectivePrivs(name);
- 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());
+ for(std::map<std::string, std::string>::const_iterator
+ i = fields.begin(); i != fields.end(); i++){
+ const std::string &name = i->first;
+ const std::string &value = i->second;
+ lua_pushstring(L, name.c_str());
+ lua_pushlstring(L, value.c_str(), value.size());
+ lua_settable(L, -3);
}
- lua_pushvalue(L, table);
- return 1;
+ scriptapi_run_callbacks(L, 3, RUN_CALLBACKS_MODE_OR_SC);
}
-// get_inventory(location)
-static int l_get_inventory(lua_State *L)
+/*
+ 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
+// If minetest.registered_items[name] doesn't exist, minetest.nodedef_default
+// is tried instead so unknown items can still be manipulated to some degree
+static bool get_item_callback(lua_State *L,
+ const char *name, const char *callbackname)
{
- InventoryLocation loc;
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_items");
+ 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)
+ {
+ // Report error and clean up
+ errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
+ lua_pop(L, 1);
- 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);
+ // Try minetest.nodedef_default instead
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "nodedef_default");
+ lua_remove(L, -2);
+ luaL_checktype(L, -1, LUA_TTABLE);
+ }
+ 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;
}
-
- if(get_server(L)->getInventory(loc) != NULL)
- InvRef::create(L, loc);
else
- lua_pushnil(L);
- return 1;
+ {
+ errorstream<<"Item \""<<name<<"\" callback \""
+ <<callbackname<<" is not a function"<<std::endl;
+ lua_pop(L, 1);
+ return false;
+ }
}
-// get_dig_params(groups, tool_capabilities[, time_from_last_punch])
-static int l_get_dig_params(lua_State *L)
+bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
+ ServerActiveObject *dropper, v3f pos)
{
- 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;
-}
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
-// 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;
+ // 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;
}
-// get_current_modname()
-static int l_get_current_modname(lua_State *L)
+bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
+ ServerActiveObject *placer, const PointedThing &pointed)
{
- lua_getfield(L, LUA_REGISTRYINDEX, "minetest_current_modname");
- return 1;
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // 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;
}
-// get_modpath(modname)
-static int l_get_modpath(lua_State *L)
+bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
+ ServerActiveObject *user, const PointedThing &pointed)
{
- const char *modname = luaL_checkstring(L, 1);
- // Do it
- const ModSpec *mod = get_server(L)->getModSpec(modname);
- if(!mod){
- lua_pushnil(L);
- return 1;
- }
- lua_pushstring(L, mod->path.c_str());
- return 1;
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ // Push callback function on stack
+ if(!get_item_callback(L, item.name.c_str(), "on_use"))
+ return false;
+
+ // 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;
}
-// get_worldpath()
-static int l_get_worldpath(lua_State *L)
+bool scriptapi_node_on_punch(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *puncher)
{
- std::string worldpath = get_server(L)->getWorldPath();
- lua_pushstring(L, worldpath.c_str());
- return 1;
-}
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
-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_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},
- {NULL, NULL}
-};
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_punch"))
+ return false;
-/*
- Main export function
-*/
+ // Call function
+ push_v3s16(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));
+ return true;
+}
-void scriptapi_export(lua_State *L, Server *server)
+bool scriptapi_node_on_dig(lua_State *L, v3s16 p, MapNode node,
+ ServerActiveObject *digger)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- 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");
-
- // 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");
+ INodeDefManager *ndef = get_server(L)->ndef();
- // Add tables to minetest
-
- lua_newtable(L);
- lua_setfield(L, -2, "object_refs");
- lua_newtable(L);
- lua_setfield(L, -2, "luaentities");
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_dig"))
+ return false;
- // Register wrappers
- LuaItemStack::Register(L);
- InvRef::Register(L);
- NodeMetaRef::Register(L);
- ObjectRef::Register(L);
- EnvRef::Register(L);
+ // Call function
+ push_v3s16(L, p);
+ 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;
}
-bool scriptapi_loadmod(lua_State *L, const std::string &scriptpath,
- const std::string &modname)
+void scriptapi_node_on_construct(lua_State *L, v3s16 p, MapNode node)
{
- ModNameStorer modnamestorer(L, modname);
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- if(!string_allowed(modname, "abcdefghijklmnopqrstuvwxyz"
- "0123456789_")){
- errorstream<<"Error loading mod \""<<modname
- <<"\": modname does not follow naming conventions: "
- <<"Only chararacters [a-z0-9_] are allowed."<<std::endl;
- return false;
- }
-
- bool success = false;
+ INodeDefManager *ndef = get_server(L)->ndef();
- try{
- success = script_load(L, scriptpath.c_str());
- }
- catch(LuaError &e){
- errorstream<<"Error loading mod \""<<modname
- <<"\": "<<e.what()<<std::endl;
- }
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_construct"))
+ return;
- return success;
+ // Call function
+ push_v3s16(L, p);
+ if(lua_pcall(L, 1, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
}
-void scriptapi_add_environment(lua_State *L, ServerEnvironment *env)
+void scriptapi_node_on_destruct(lua_State *L, v3s16 p, MapNode node)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
- verbosestream<<"scriptapi_add_environment"<<std::endl;
StackUnroller stack_unroller(L);
- // Create EnvRef on stack
- EnvRef::create(L, env);
- int envref = lua_gettop(L);
+ INodeDefManager *ndef = get_server(L)->ndef();
- // minetest.env = envref
- lua_getglobal(L, "minetest");
- luaL_checktype(L, -1, LUA_TTABLE);
- lua_pushvalue(L, envref);
- lua_setfield(L, -2, "env");
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_destruct"))
+ return;
- // Store environment as light userdata in registry
- lua_pushlightuserdata(L, env);
- lua_setfield(L, LUA_REGISTRYINDEX, "minetest_env");
+ // Call function
+ push_v3s16(L, p);
+ if(lua_pcall(L, 1, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
- /*
- Add ActiveBlockModifiers to environment
- */
+void scriptapi_node_after_destruct(lua_State *L, v3s16 p, MapNode node)
+{
+ 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);
-
- 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);
+ INodeDefManager *ndef = get_server(L)->ndef();
- 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);
- }
- } else if(lua_isstring(L, -1)){
- trigger_contents.insert(lua_tostring(L, -1));
- }
- lua_pop(L, 1);
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "after_destruct"))
+ return;
- std::set<std::string> required_neighbors;
- lua_getfield(L, current_abm, "neighbors");
- 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);
- required_neighbors.insert(lua_tostring(L, -1));
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- } else if(lua_isstring(L, -1)){
- required_neighbors.insert(lua_tostring(L, -1));
- }
- lua_pop(L, 1);
+ // Call function
+ push_v3s16(L, p);
+ pushnode(L, node, ndef);
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
- float trigger_interval = 10.0;
- getfloatfield(L, current_abm, "interval", trigger_interval);
+bool scriptapi_node_on_timer(lua_State *L, v3s16 p, MapNode node, f32 dtime)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
- int trigger_chance = 50;
- getintfield(L, current_abm, "chance", trigger_chance);
+ INodeDefManager *ndef = get_server(L)->ndef();
- LuaABM *abm = new LuaABM(L, id, trigger_contents,
- required_neighbors, trigger_interval, trigger_chance);
-
- env->addActiveBlockModifier(abm);
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_timer"))
+ return false;
- // removes value, keeps key for next iteration
- lua_pop(L, 1);
- }
- }
- lua_pop(L, 1);
+ // Call function
+ push_v3s16(L, p);
+ lua_pushnumber(L,dtime);
+ if(lua_pcall(L, 2, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if((bool)lua_isboolean(L,-1) && (bool)lua_toboolean(L,-1) == true)
+ return true;
+
+ return false;
}
-#if 0
-// Dump stack top with the dump2 function
-static void dump2(lua_State *L, const char *name)
+void scriptapi_node_on_receive_fields(lua_State *L, v3s16 p,
+ const std::string &formname,
+ const std::map<std::string, std::string> &fields,
+ ServerActiveObject *sender)
{
- // 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))
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_receive_fields"))
+ return;
+
+ // Call function
+ // param 1
+ push_v3s16(L, p);
+ // param 2
+ lua_pushstring(L, formname.c_str());
+ // param 3
+ lua_newtable(L);
+ for(std::map<std::string, std::string>::const_iterator
+ i = fields.begin(); i != fields.end(); i++){
+ const std::string &name = i->first;
+ const std::string &value = i->second;
+ lua_pushstring(L, name.c_str());
+ lua_pushlstring(L, value.c_str(), value.size());
+ lua_settable(L, -3);
+ }
+ // param 4
+ objectref_get_or_create(L, sender);
+ if(lua_pcall(L, 4, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
}
-#endif
/*
- object_reference
+ Node metadata inventory callbacks
*/
-void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj)
+// Return number of accepted items to be moved
+int scriptapi_nodemeta_inventory_allow_move(lua_State *L, v3s16 p,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
{
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);
+ INodeDefManager *ndef = get_server(L)->ndef();
- // 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);
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return 0;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "allow_metadata_inventory_move"))
+ return count;
+
+ // function(pos, from_list, from_index, to_list, to_index, count, player)
+ // pos
+ push_v3s16(L, p);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_metadata_inventory_move should return a number");
+ return luaL_checkinteger(L, -1);
}
-void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj)
+// Return number of accepted items to be put
+int scriptapi_nodemeta_inventory_allow_put(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
{
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
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return 0;
+
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "allow_metadata_inventory_put"))
+ return stack.count;
+
+ // Call function(pos, listname, index, stack, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_metadata_inventory_put should return a number");
+ return luaL_checkinteger(L, -1);
+}
+
+// Return number of accepted items to be taken
+int scriptapi_nodemeta_inventory_allow_take(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
+
+ INodeDefManager *ndef = get_server(L)->ndef();
+
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return 0;
- // Set object_refs[id] = nil
- lua_pushnumber(L, cobj->getId()); // Push id
- lua_pushnil(L);
- lua_settable(L, objectstable);
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "allow_metadata_inventory_take"))
+ return stack.count;
+
+ // Call function(pos, listname, index, count, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_metadata_inventory_take should return a number");
+ return luaL_checkinteger(L, -1);
}
-bool scriptapi_on_chat_message(lua_State *L, const std::string &name,
- const std::string &message)
+// Report moved items
+void scriptapi_nodemeta_inventory_on_move(lua_State *L, v3s16 p,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
{
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", 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;
-}
+ INodeDefManager *ndef = get_server(L)->ndef();
-/*
- misc
-*/
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
-void scriptapi_on_newplayer(lua_State *L, ServerActiveObject *player)
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "on_metadata_inventory_move"))
+ return;
+
+ // function(pos, from_list, from_index, to_list, to_index, count, player)
+ // pos
+ push_v3s16(L, p);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Report put items
+void scriptapi_nodemeta_inventory_on_put(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ 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", lua_tostring(L, -1));
- // value removed, keep key for next iteration
- }
-}
+ INodeDefManager *ndef = get_server(L)->ndef();
-void scriptapi_on_dieplayer(lua_State *L, ServerActiveObject *player)
-{
- realitycheck(L);
- assert(lua_checkstack(L, 20));
- StackUnroller stack_unroller(L);
-
- // Get minetest.registered_on_dieplayers
- lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_on_dieplayers");
- 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
- }
-}
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "on_metadata_inventory_put"))
+ return;
-bool scriptapi_on_respawnplayer(lua_State *L, ServerActiveObject *player)
+ // Call function(pos, listname, index, stack, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Report taken items
+void scriptapi_nodemeta_inventory_on_take(lua_State *L, v3s16 p,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- dstream<<"player: "<<player<<" id: "<<player->getId()<<std::endl;
+ INodeDefManager *ndef = get_server(L)->ndef();
- bool positioning_handled_by_some = false;
+ // If node doesn't exist, we don't know what callback to call
+ MapNode node = get_env(L)->getMap().getNodeNoEx(p);
+ if(node.getContent() == CONTENT_IGNORE)
+ return;
- // 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
- }
- return positioning_handled_by_some;
-}
+ // Push callback function on stack
+ if(!get_item_callback(L, ndef->get(node).name.c_str(),
+ "on_metadata_inventory_take"))
+ return;
-void scriptapi_get_creative_inventory(lua_State *L, ServerRemotePlayer *player)
-{
- 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_INVENTORY_SIZE);
+ // Call function(pos, listname, index, stack, player)
+ // pos
+ push_v3s16(L, p);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
}
/*
- item callbacks and node callbacks
+ Detached inventory callbacks
*/
-// Retrieves minetest.registered_items[name][callbackname]
+// Retrieves minetest.detached_inventories[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)
+static bool get_detached_inventory_callback(lua_State *L,
+ const std::string &name, const char *callbackname)
{
lua_getglobal(L, "minetest");
- lua_getfield(L, -1, "registered_items");
+ lua_getfield(L, -1, "detached_inventories");
lua_remove(L, -2);
luaL_checktype(L, -1, LUA_TTABLE);
- lua_getfield(L, -1, name);
+ lua_getfield(L, -1, name.c_str());
lua_remove(L, -2);
// Should be a table
if(lua_type(L, -1) != LUA_TTABLE)
}
else
{
- errorstream<<"Item \""<<name<<"\" callback \""
- <<callbackname<<" is not a function"<<std::endl;
+ errorstream<<"Detached inventory \""<<name<<"\" callback \""
+ <<callbackname<<"\" is not a function"<<std::endl;
lua_pop(L, 1);
return false;
}
}
-bool scriptapi_item_on_drop(lua_State *L, ItemStack &item,
- ServerActiveObject *dropper, v3f pos)
+// Return number of accepted items to be moved
+int scriptapi_detached_inventory_allow_move(lua_State *L,
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
// Push callback function on stack
- if(!get_item_callback(L, item.name.c_str(), "on_drop"))
- return false;
+ if(!get_detached_inventory_callback(L, name, "allow_move"))
+ return count;
- // Call function
- LuaItemStack::create(L, item);
- objectref_get_or_create(L, dropper);
- pushFloatPos(L, pos);
- if(lua_pcall(L, 3, 1, 0))
+ // function(inv, from_list, from_index, to_list, to_index, count, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 1, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnil(L, -1))
- item = read_item(L, -1);
- return true;
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_move should return a number");
+ return luaL_checkinteger(L, -1);
}
-bool scriptapi_item_on_place(lua_State *L, ItemStack &item,
- ServerActiveObject *placer, const PointedThing &pointed)
+// Return number of accepted items to be put
+int scriptapi_detached_inventory_allow_put(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
// Push callback function on stack
- if(!get_item_callback(L, item.name.c_str(), "on_place"))
- return false;
+ if(!get_detached_inventory_callback(L, name, "allow_put"))
+ return stack.count; // All will be accepted
- // Call function
- LuaItemStack::create(L, item);
- objectref_get_or_create(L, placer);
- push_pointed_thing(L, pointed);
- if(lua_pcall(L, 3, 1, 0))
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnil(L, -1))
- item = read_item(L, -1);
- return true;
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_put should return a number");
+ return luaL_checkinteger(L, -1);
}
-bool scriptapi_item_on_use(lua_State *L, ItemStack &item,
- ServerActiveObject *user, const PointedThing &pointed)
+// Return number of accepted items to be taken
+int scriptapi_detached_inventory_allow_take(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
// Push callback function on stack
- if(!get_item_callback(L, item.name.c_str(), "on_use"))
- return false;
+ if(!get_detached_inventory_callback(L, name, "allow_take"))
+ return stack.count; // All will be accepted
- // Call function
- LuaItemStack::create(L, item);
- objectref_get_or_create(L, user);
- push_pointed_thing(L, pointed);
- if(lua_pcall(L, 3, 1, 0))
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 1, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
- if(!lua_isnil(L, -1))
- item = read_item(L, -1);
- return true;
+ if(!lua_isnumber(L, -1))
+ throw LuaError(L, "allow_take should return a number");
+ return luaL_checkinteger(L, -1);
}
-bool scriptapi_node_on_punch(lua_State *L, v3s16 pos, MapNode node,
- ServerActiveObject *puncher)
+// Report moved items
+void scriptapi_detached_inventory_on_move(lua_State *L,
+ const std::string &name,
+ const std::string &from_list, int from_index,
+ const std::string &to_list, int to_index,
+ int count, ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
-
// Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_punch"))
- return false;
+ if(!get_detached_inventory_callback(L, name, "on_move"))
+ return;
- // Call function
- push_v3s16(L, pos);
- pushnode(L, node, ndef);
- objectref_get_or_create(L, puncher);
- if(lua_pcall(L, 3, 0, 0))
+ // function(inv, from_list, from_index, to_list, to_index, count, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // from_list
+ lua_pushstring(L, from_list.c_str());
+ // from_index
+ lua_pushinteger(L, from_index + 1);
+ // to_list
+ lua_pushstring(L, to_list.c_str());
+ // to_index
+ lua_pushinteger(L, to_index + 1);
+ // count
+ lua_pushinteger(L, count);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 7, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
- return true;
}
-bool scriptapi_node_on_dig(lua_State *L, v3s16 pos, MapNode node,
- ServerActiveObject *digger)
+// Report put items
+void scriptapi_detached_inventory_on_put(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
- INodeDefManager *ndef = get_server(L)->ndef();
+ // Push callback function on stack
+ if(!get_detached_inventory_callback(L, name, "on_put"))
+ return;
+
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+}
+
+// Report taken items
+void scriptapi_detached_inventory_on_take(lua_State *L,
+ const std::string &name,
+ const std::string &listname, int index, ItemStack &stack,
+ ServerActiveObject *player)
+{
+ realitycheck(L);
+ assert(lua_checkstack(L, 20));
+ StackUnroller stack_unroller(L);
// Push callback function on stack
- if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_dig"))
- return false;
+ if(!get_detached_inventory_callback(L, name, "on_take"))
+ return;
- // Call function
- push_v3s16(L, pos);
- pushnode(L, node, ndef);
- objectref_get_or_create(L, digger);
- if(lua_pcall(L, 3, 0, 0))
+ // Call function(inv, listname, index, stack, player)
+ // inv
+ InventoryLocation loc;
+ loc.setDetached(name);
+ InvRef::create(L, loc);
+ // listname
+ lua_pushstring(L, listname.c_str());
+ // index
+ lua_pushinteger(L, index + 1);
+ // stack
+ LuaItemStack::create(L, stack);
+ // player
+ objectref_get_or_create(L, player);
+ if(lua_pcall(L, 5, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
- return true;
}
/*
// 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
- }
+ // 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
- push_v3s16(L, minp);
- push_v3s16(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);
}
/*
verbosestream<<"scriptapi_luaentity_add: id="<<id<<" name=\""
<<name<<"\""<<std::endl;
StackUnroller stack_unroller(L);
-
+
// Get minetest.registered_entities[name]
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_entities");
}
int prototype_table = lua_gettop(L);
//dump2(L, "prototype_table");
-
+
// Create entity object
lua_newtable(L);
int object = lua_gettop(L);
// Set object metatable
lua_pushvalue(L, prototype_table);
lua_setmetatable(L, -2);
-
+
// Add object reference
// This should be userdata with metatable ObjectRef
objectref_get(L, id);
lua_pushnumber(L, id); // Push id
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)
+ const std::string &staticdata, u32 dtime_s)
{
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");
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))
+ lua_pushinteger(L, dtime_s);
+ // Call with 3 arguments, 0 results
+ if(lua_pcall(L, 3, 0, 0))
script_error(L, "error running function on_activate: %s\n",
lua_tostring(L, -1));
}
lua_getfield(L, -1, "luaentities");
luaL_checktype(L, -1, LUA_TTABLE);
int objectstable = lua_gettop(L);
-
+
// Set luaentities[id] = nil
lua_pushnumber(L, id); // Push id
lua_pushnil(L);
lua_settable(L, objectstable);
-
+
lua_pop(L, 2); // pop luaentities, minetest
}
// 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));
-
+
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,
- LuaEntityProperties *prop)
+ ObjectProperties *prop)
{
realitycheck(L);
assert(lua_checkstack(L, 20));
luaentity_get(L, id);
//int object = lua_gettop(L);
+ // Set default values that differ from ObjectProperties defaults
+ prop->hp_max = 10;
+
/* Read stuff */
-
+
prop->hp_max = getintfield_default(L, -1, "hp_max", 10);
getboolfield(L, -1, "physical", prop->physical);
lua_getfield(L, -1, "collisionbox");
if(lua_istable(L, -1))
- prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
+ prop->collisionbox = read_aabb3f(L, -1, 1.0);
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();
- 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);
-
- lua_getfield(L, -1, "spritediv");
- if(lua_istable(L, -1))
- prop->spritediv = read_v2s16(L, -1);
- lua_pop(L, 1);
+ getstringfield(L, -1, "mesh", prop->mesh);
- lua_getfield(L, -1, "initial_sprite_basepos");
- if(lua_istable(L, -1))
- prop->initial_sprite_basepos = read_v2s16(L, -1);
+ // Deprecated: read object properties directly
+ read_object_properties(L, -1, prop);
+
+ // Read initial_properties
+ lua_getfield(L, -1, "initial_properties");
+ read_object_properties(L, -1, prop);
lua_pop(L, 1);
}
projects / oweals / minetest.git / blobdiff