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Make node definitions available to Lua

master
Perttu Ahola 2011-11-26 02:26:19 +02:00
parent 77337271fc
commit 908db7c1d2
4 changed files with 141 additions and 55 deletions
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49
data/builtin.lua
View File

@ -73,9 +73,56 @@ function dump(o, dumped)
end
--
-- Built-in node types. Also defined in C.
-- Built-in node definitions. Also defined in C.
--
minetest.register_nodedef_defaults({
-- name intentionally not defined here
drawtype = "normal",
visual_scale = 1.0,
tile_images = {"unknown_block.png"},
inventory_image = "unknown_block.png",
special_materials = {
{image="", backface_culling=true},
{image="", backface_culling=true},
},
alpha = 255,
post_effect_color = {a=0, r=0, g=0, b=0},
paramtype = "none",
is_ground_content = false,
light_propagates = false,
sunlight_propagates = false,
walkable = true,
pointable = true,
diggable = true,
climbable = false,
buildable_to = false,
wall_mounted = false,
often_contains_mineral = false,
dug_item = "",
extra_dug_item = "",
extra_dug_item_rarity = 2,
metadata_name = "",
liquid_type = "none",
liquid_alternative_flowing = "",
liquid_alternative_source = "",
liquid_viscosity = 0,
light_source = 0,
damage_per_second = 0,
selection_box = {type="regular"},
material = {
diggablity = "normal",
weight = 0,
crackiness = 0,
crumbliness = 0,
cuttability = 0,
flammability = 0,
},
cookresult_item = "", -- Cannot be cooked
furnace_cooktime = 3.0,
furnace_burntime = -1, -- Cannot be used as fuel
})
minetest.register_node("air", {
drawtype = "airlike",
paramtype = "light",

2
data/mods/default/init.lua
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@ -20,6 +20,8 @@
-- minetest.env - environment reference
--
-- Global tables:
-- minetest.registered_nodes
-- ^ List of registed node definitions, indexed by name
-- minetest.registered_entities
-- ^ List of registered entity prototypes, indexed by name
-- minetest.object_refs

3
src/nodedef.cpp
View File

@ -116,6 +116,9 @@ void ContentFeatures::reset()
used_texturenames.clear();
/*
Actual data
NOTE: Most of this is always overridden by the default values given
in builtin.lua
*/
name = "";
drawtype = NDT_NORMAL;

142
src/scriptapi.cpp
View File

@ -407,6 +407,16 @@ struct EnumString es_Diggability[] =
Global functions
*/
static int l_register_nodedef_defaults(lua_State *L)
{
luaL_checktype(L, 1, LUA_TTABLE);
lua_pushvalue(L, 1); // Explicitly put parameter 1 on top of stack
lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
return 0;
}
// Register new object prototype
// register_entity(name, prototype)
static int l_register_entity(lua_State *L)
@ -480,7 +490,7 @@ static int l_register_node(lua_State *L)
const char *name = luaL_checkstring(L, 1);
infostream<<"register_node: "<<name<<std::endl;
luaL_checktype(L, 2, LUA_TTABLE);
int table0 = 2;
int nodedef_table = 2;
// Get server from registry
lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
@ -488,6 +498,33 @@ static int l_register_node(lua_State *L)
// And get the writable node definition manager from the server
IWritableNodeDefManager *nodedef =
server->getWritableNodeDefManager();
// Get default node definition from registry
lua_getfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
int nodedef_default = lua_gettop(L);
/*
Add to minetest.registered_nodes with default as metatable
*/
// Get the node definition table given as parameter
lua_pushvalue(L, nodedef_table);
// Set __index to point to itself
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
// Set nodedef_default as metatable for the definition
lua_pushvalue(L, nodedef_default);
lua_setmetatable(L, nodedef_table);
// minetest.registered_nodes[name] = nodedef
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_nodes");
luaL_checktype(L, -1, LUA_TTABLE);
lua_pushstring(L, name);
lua_pushvalue(L, nodedef_table);
lua_settable(L, -3);
/*
Create definition
@ -509,11 +546,11 @@ static int l_register_node(lua_State *L)
/* Visual definition */
f.drawtype = (NodeDrawType)getenumfield(L, table0, "drawtype", es_DrawType,
f.drawtype = (NodeDrawType)getenumfield(L, nodedef_table, "drawtype", es_DrawType,
NDT_NORMAL);
getfloatfield(L, table0, "visual_scale", f.visual_scale);
getfloatfield(L, nodedef_table, "visual_scale", f.visual_scale);
lua_getfield(L, table0, "tile_images");
lua_getfield(L, nodedef_table, "tile_images");
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
@ -543,9 +580,9 @@ static int l_register_node(lua_State *L)
}
lua_pop(L, 1);
getstringfield(L, table0, "inventory_image", f.tname_inventory);
getstringfield(L, nodedef_table, "inventory_image", f.tname_inventory);
lua_getfield(L, table0, "special_materials");
lua_getfield(L, nodedef_table, "special_materials");
if(lua_istable(L, -1)){
int table = lua_gettop(L);
lua_pushnil(L);
@ -570,70 +607,70 @@ static int l_register_node(lua_State *L)
}
lua_pop(L, 1);
f.alpha = getintfield_default(L, table0, "alpha", 255);
f.alpha = getintfield_default(L, nodedef_table, "alpha", 255);
/* Other stuff */
lua_getfield(L, table0, "post_effect_color");
lua_getfield(L, nodedef_table, "post_effect_color");
if(!lua_isnil(L, -1))
f.post_effect_color = readARGB8(L, -1);
lua_pop(L, 1);
f.param_type = (ContentParamType)getenumfield(L, table0, "paramtype",
f.param_type = (ContentParamType)getenumfield(L, nodedef_table, "paramtype",
es_ContentParamType, CPT_NONE);
// True for all ground-like things like stone and mud, false for eg. trees
getboolfield(L, table0, "is_ground_content", f.is_ground_content);
getboolfield(L, table0, "light_propagates", f.light_propagates);
getboolfield(L, table0, "sunlight_propagates", f.sunlight_propagates);
getboolfield(L, nodedef_table, "is_ground_content", f.is_ground_content);
getboolfield(L, nodedef_table, "light_propagates", f.light_propagates);
getboolfield(L, nodedef_table, "sunlight_propagates", f.sunlight_propagates);
// This is used for collision detection.
// Also for general solidness queries.
getboolfield(L, table0, "walkable", f.walkable);
getboolfield(L, nodedef_table, "walkable", f.walkable);
// Player can point to these
getboolfield(L, table0, "pointable", f.pointable);
getboolfield(L, nodedef_table, "pointable", f.pointable);
// Player can dig these
getboolfield(L, table0, "diggable", f.diggable);
getboolfield(L, nodedef_table, "diggable", f.diggable);
// Player can climb these
getboolfield(L, table0, "climbable", f.climbable);
getboolfield(L, nodedef_table, "climbable", f.climbable);
// Player can build on these
getboolfield(L, table0, "buildable_to", f.buildable_to);
getboolfield(L, nodedef_table, "buildable_to", f.buildable_to);
// If true, param2 is set to direction when placed. Used for torches.
// NOTE: the direction format is quite inefficient and should be changed
getboolfield(L, table0, "wall_mounted", f.wall_mounted);
getboolfield(L, nodedef_table, "wall_mounted", f.wall_mounted);
// Whether this content type often contains mineral.
// Used for texture atlas creation.
// Currently only enabled for CONTENT_STONE.
getboolfield(L, table0, "often_contains_mineral", f.often_contains_mineral);
getboolfield(L, nodedef_table, "often_contains_mineral", f.often_contains_mineral);
// Inventory item string as which the node appears in inventory when dug.
// Mineral overrides this.
getstringfield(L, table0, "dug_item", f.dug_item);
getstringfield(L, nodedef_table, "dug_item", f.dug_item);
// Extra dug item and its rarity
getstringfield(L, table0, "extra_dug_item", f.extra_dug_item);
getstringfield(L, nodedef_table, "extra_dug_item", f.extra_dug_item);
// Usual get interval for extra dug item
getintfield(L, table0, "extra_dug_item_rarity", f.extra_dug_item_rarity);
getintfield(L, nodedef_table, "extra_dug_item_rarity", f.extra_dug_item_rarity);
// Metadata name of node (eg. "furnace")
getstringfield(L, table0, "metadata_name", f.metadata_name);
getstringfield(L, nodedef_table, "metadata_name", f.metadata_name);
// Whether the node is non-liquid, source liquid or flowing liquid
f.liquid_type = (LiquidType)getenumfield(L, table0, "liquidtype",
f.liquid_type = (LiquidType)getenumfield(L, nodedef_table, "liquidtype",
es_LiquidType, LIQUID_NONE);
// If the content is liquid, this is the flowing version of the liquid.
getstringfield(L, table0, "liquid_alternative_flowing",
getstringfield(L, nodedef_table, "liquid_alternative_flowing",
f.liquid_alternative_flowing);
// If the content is liquid, this is the source version of the liquid.
getstringfield(L, table0, "liquid_alternative_source",
getstringfield(L, nodedef_table, "liquid_alternative_source",
f.liquid_alternative_source);
// Viscosity for fluid flow, ranging from 1 to 7, with
// 1 giving almost instantaneous propagation and 7 being
// the slowest possible
f.liquid_viscosity = getintfield_default(L, table0,
f.liquid_viscosity = getintfield_default(L, nodedef_table,
"liquid_viscosity", f.liquid_viscosity);
// Amount of light the node emits
f.light_source = getintfield_default(L, table0,
f.light_source = getintfield_default(L, nodedef_table,
"light_source", f.light_source);
f.damage_per_second = getintfield_default(L, table0,
f.damage_per_second = getintfield_default(L, nodedef_table,
"damage_per_second", f.damage_per_second);
lua_getfield(L, table0, "selection_box");
lua_getfield(L, nodedef_table, "selection_box");
if(lua_istable(L, -1)){
f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
es_NodeBoxType, NODEBOX_REGULAR);
@ -660,7 +697,7 @@ static int l_register_node(lua_State *L)
}
lua_pop(L, 1);
lua_getfield(L, table0, "material");
lua_getfield(L, nodedef_table, "material");
if(lua_istable(L, -1)){
f.material.diggability = (Diggability)getenumfield(L, -1, "diggability",
es_Diggability, DIGGABLE_NORMAL);
@ -674,9 +711,9 @@ static int l_register_node(lua_State *L)
}
lua_pop(L, 1);
getstringfield(L, table0, "cookresult_item", f.cookresult_item);
getfloatfield(L, table0, "furnace_cooktime", f.furnace_cooktime);
getfloatfield(L, table0, "furnace_burntime", f.furnace_burntime);
getstringfield(L, nodedef_table, "cookresult_item", f.cookresult_item);
getfloatfield(L, nodedef_table, "furnace_cooktime", f.furnace_cooktime);
getfloatfield(L, nodedef_table, "furnace_burntime", f.furnace_burntime);
/*
Register it
@ -753,6 +790,12 @@ static int l_register_craft(lua_State *L)
return 0; /* number of results */
}
// get_nodedef(name)
static int l_get_nodedef(lua_State *L)
{
return 1;
}
static int register_lua_callback(lua_State *L, const char *tablename)
{
luaL_checktype(L, 1, LUA_TFUNCTION);
@ -806,6 +849,7 @@ static int l_register_on_punchnode(lua_State *L)
}
static const struct luaL_Reg minetest_f [] = {
{"register_nodedef_defaults", l_register_nodedef_defaults},
{"register_entity", l_register_entity},
{"register_tool", l_register_tool},
{"register_node", l_register_node},
@ -814,6 +858,7 @@ static const struct luaL_Reg minetest_f [] = {
{"register_on_placenode", l_register_on_placenode},
{"register_on_dignode", l_register_on_dignode},
{"register_on_punchnode", l_register_on_punchnode},
{"get_nodedef", l_get_nodedef},
{NULL, NULL}
};
@ -1267,6 +1312,10 @@ void scriptapi_export(lua_State *L, Server *server)
// Store server as light userdata in registry
lua_pushlightuserdata(L, server);
lua_setfield(L, LUA_REGISTRYINDEX, "minetest_server");
// Store nil as minetest_nodedef_defaults in registry
lua_pushnil(L);
lua_setfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
// Register global functions in table minetest
lua_newtable(L);
@ -1281,6 +1330,9 @@ void scriptapi_export(lua_State *L, Server *server)
/*lua_newtable(L);
lua_setfield(L, -2, "registered_blocks");*/
lua_newtable(L);
lua_setfield(L, -2, "registered_nodes");
lua_newtable(L);
lua_setfield(L, -2, "registered_entities");
@ -1676,26 +1728,8 @@ void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
lua_pop(L, 1);
lua_getfield(L, -1, "collisionbox");
if(lua_istable(L, -1)){
lua_rawgeti(L, -1, 1);
prop->collisionbox.MinEdge.X = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 2);
prop->collisionbox.MinEdge.Y = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 3);
prop->collisionbox.MinEdge.Z = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 4);
prop->collisionbox.MaxEdge.X = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 5);
prop->collisionbox.MaxEdge.Y = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_rawgeti(L, -1, 6);
prop->collisionbox.MaxEdge.Z = lua_tonumber(L, -1);
lua_pop(L, 1);
}
if(lua_istable(L, -1))
prop->collisionbox = read_aabbox3df32(L, -1, 1.0);
lua_pop(L, 1);
lua_getfield(L, -1, "visual");