From 1220b642ebf3c9a28b6eb88160ef63263fa00a44 Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Thu, 17 Nov 2011 16:21:17 +0200 Subject: Falling sand and gravel --- src/scriptapi.cpp | 117 +++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 89 insertions(+), 28 deletions(-) (limited to 'src/scriptapi.cpp') diff --git a/src/scriptapi.cpp b/src/scriptapi.cpp index c9356fe4f..d25df18cb 100644 --- a/src/scriptapi.cpp +++ b/src/scriptapi.cpp @@ -126,18 +126,16 @@ public: static v3f readFloatPos(lua_State *L, int index) { v3f pos; - lua_pushvalue(L, index); // Push pos - luaL_checktype(L, -1, LUA_TTABLE); - lua_getfield(L, -1, "x"); + luaL_checktype(L, index, LUA_TTABLE); + lua_getfield(L, index, "x"); pos.X = lua_tonumber(L, -1); lua_pop(L, 1); - lua_getfield(L, -1, "y"); + lua_getfield(L, index, "y"); pos.Y = lua_tonumber(L, -1); lua_pop(L, 1); - lua_getfield(L, -1, "z"); + lua_getfield(L, index, "z"); pos.Z = lua_tonumber(L, -1); lua_pop(L, 1); - lua_pop(L, 1); // Pop pos pos *= BS; // Scale to internal format return pos; } @@ -153,6 +151,18 @@ static void pushpos(lua_State *L, v3s16 p) lua_setfield(L, -2, "z"); } +static v3s16 readpos(lua_State *L, int index) +{ + v3s16 p; + lua_getfield(L, index, "x"); + p.X = lua_tonumber(L, -1); + lua_getfield(L, index, "y"); + p.Y = lua_tonumber(L, -1); + lua_getfield(L, index, "z"); + p.Z = lua_tonumber(L, -1); + return p; +} + static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef) { lua_newtable(L); @@ -169,11 +179,19 @@ static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef) lua_getfield(L, index, "name"); const char *name = lua_tostring(L, -1); lua_pop(L, 1); + u8 param1; lua_getfield(L, index, "param1"); - u8 param1 = lua_tonumber(L, -1); + if(lua_isnil(L, -1)) + param1 = 0; + else + param1 = lua_tonumber(L, -1); lua_pop(L, 1); + u8 param2; lua_getfield(L, index, "param2"); - u8 param2 = lua_tonumber(L, -1); + if(lua_isnil(L, -1)) + param2 = 0; + else + param2 = lua_tonumber(L, -1); lua_pop(L, 1); return MapNode(ndef, name, param1, param2); } @@ -551,9 +569,8 @@ private: // Exported functions - // EnvRef:add_node(pos, content) + // EnvRef:add_node(pos, node) // pos = {x=num, y=num, z=num} - // content = number static int l_add_node(lua_State *L) { infostream<<"EnvRef::l_add_node()"<m_env; if(env == NULL) return 0; // pos - v3s16 pos; - lua_pushvalue(L, 2); // Push pos - luaL_checktype(L, -1, LUA_TTABLE); - lua_getfield(L, -1, "x"); - pos.X = lua_tonumber(L, -1); - lua_pop(L, 1); - lua_getfield(L, -1, "y"); - pos.Y = lua_tonumber(L, -1); - lua_pop(L, 1); - lua_getfield(L, -1, "z"); - pos.Z = lua_tonumber(L, -1); - lua_pop(L, 1); - lua_pop(L, 1); // Pop pos + v3s16 pos = readpos(L, 2); + // content + MapNode n = readnode(L, 3, env->getGameDef()->ndef()); + // Do it + env->getMap().addNodeWithEvent(pos, n); + return 0; + } + + // EnvRef:remove_node(pos) + // pos = {x=num, y=num, z=num} + static int l_remove_node(lua_State *L) + { + infostream<<"EnvRef::l_remove_node()"<m_env; + if(env == NULL) return 0; + // pos + v3s16 pos = readpos(L, 2); + // Do it + env->getMap().removeNodeWithEvent(pos); + return 0; + } + + // EnvRef:get_node(pos) + // pos = {x=num, y=num, z=num} + static int l_get_node(lua_State *L) + { + infostream<<"EnvRef::l_get_node()"<m_env; + if(env == NULL) return 0; + // pos + v3s16 pos = readpos(L, 2); + // Do it + MapNode n = env->getMap().getNodeNoEx(pos); + // Return node + pushnode(L, n, env->getGameDef()->ndef()); + return 1; + } + + // EnvRef:add_luaentity(pos, entityname) + // pos = {x=num, y=num, z=num} + static int l_add_luaentity(lua_State *L) + { + infostream<<"EnvRef::l_add_luaentity()"<m_env; + if(env == NULL) return 0; + // pos + v3f pos = readFloatPos(L, 2); // content - u16 content = 0; - lua_pushvalue(L, 3); // Push content - content = lua_tonumber(L, -1); - lua_pop(L, 1); // Pop content + const char *name = lua_tostring(L, 3); // Do it - env->getMap().addNodeWithEvent(pos, MapNode(content)); + ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, ""); + env->addActiveObject(obj); return 0; } @@ -650,6 +702,9 @@ public: const char EnvRef::className[] = "EnvRef"; const luaL_reg EnvRef::methods[] = { method(EnvRef, add_node), + method(EnvRef, remove_node), + method(EnvRef, get_node), + method(EnvRef, add_luaentity), {0,0} }; @@ -1281,6 +1336,8 @@ void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime) // State: object is at top of stack // Get step function lua_getfield(L, -1, "on_step"); + if(lua_isnil(L, -1)) + return; luaL_checktype(L, -1, LUA_TFUNCTION); lua_pushvalue(L, object); // self lua_pushnumber(L, dtime); // dtime @@ -1304,6 +1361,8 @@ void scriptapi_luaentity_punch(lua_State *L, u16 id, // State: object is at top of stack // Get function lua_getfield(L, -1, "on_punch"); + if(lua_isnil(L, -1)) + return; luaL_checktype(L, -1, LUA_TFUNCTION); lua_pushvalue(L, object); // self objectref_get_or_create(L, puncher); // Clicker reference @@ -1327,6 +1386,8 @@ void scriptapi_luaentity_rightclick(lua_State *L, u16 id, // State: object is at top of stack // Get function lua_getfield(L, -1, "on_rightclick"); + if(lua_isnil(L, -1)) + return; luaL_checktype(L, -1, LUA_TFUNCTION); lua_pushvalue(L, object); // self objectref_get_or_create(L, clicker); // Clicker reference -- cgit v1.2.3