From 908db7c1d241388eca0a59d9a67f41c1b21205fd Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Sat, 26 Nov 2011 02:26:19 +0200 Subject: [PATCH] Make node definitions available to Lua --- data/builtin.lua | 49 ++++++++++++- data/mods/default/init.lua | 2 + src/nodedef.cpp | 3 + src/scriptapi.cpp | 142 +++++++++++++++++++++++-------------- 4 files changed, 141 insertions(+), 55 deletions(-) diff --git a/data/builtin.lua b/data/builtin.lua index 4a7678a21..7a92bbd27 100644 --- a/data/builtin.lua +++ b/data/builtin.lua @@ -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", diff --git a/data/mods/default/init.lua b/data/mods/default/init.lua index 464527b31..29ec6abb8 100644 --- a/data/mods/default/init.lua +++ b/data/mods/default/init.lua @@ -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 diff --git a/src/nodedef.cpp b/src/nodedef.cpp index c5ad3af01..58ba6d058 100644 --- a/src/nodedef.cpp +++ b/src/nodedef.cpp @@ -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; diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp index d6169cbda..4a746c8f4 100644 --- a/src/scriptapi.cpp +++ b/src/scriptapi.cpp @@ -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: "<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");