flewkey/cuberite-2a
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Exported cWorld::DoWithChestAt to Lua

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Exported cChestEntity to Lua for handling in DoWithChestAt

git-svn-id: http://mc-server.googlecode.com/svn/trunk@820 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
faketruth
2012-09-02 13:34:59 +00:00
parent c7d5c00a17
commit 9db307bb53
5 changed files with 419 additions and 42 deletions
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93
source/ManualBindings.cpp
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@@ -194,6 +194,95 @@ static int FNNAME(lua_State * tolua_S) \
#define DEFINE_LUA_DOWITH_XYZ(CONTAINER,ITEM,FOREACH,FNNAME) \
static int FNNAME(lua_State * tolua_S) \
{ \
int NumArgs = lua_gettop(tolua_S) - 1; /* This includes 'self' */ \
if ((NumArgs != 4) && (NumArgs != 5)) \
{ \
LOGWARN("Error in function call '" #FOREACH "': Requires 4 or 5 arguments, got %i", NumArgs ); \
return 0; \
} \
\
CONTAINER * self = (CONTAINER *) tolua_tousertype(tolua_S, 1, 0); \
if (!lua_isnumber(tolua_S, 2) || !lua_isnumber(tolua_S, 3) || !lua_isnumber(tolua_S, 4)) \
{ \
LOGWARN("Error in function call '" #FOREACH "': Expected a number for parameters #1, #2 and #3"); \
return 0; \
} \
\
int ItemX = ((int)tolua_tonumber(tolua_S, 2, 0)); \
int ItemY = ((int)tolua_tonumber(tolua_S, 3, 0)); \
int ItemZ = ((int)tolua_tonumber(tolua_S, 4, 0)); \
LOG("x %i y %i z %i", ItemX, ItemY, ItemZ ); \
if (!lua_isfunction( tolua_S, 5)) \
{ \
LOGWARN("Error in function call '" #FOREACH "': Expected a function for parameter #2"); \
return 0; \
} \
\
/* luaL_ref gets reference to value on top of the stack, the table is the last argument and therefore on the top */ \
int TableRef = LUA_REFNIL; \
if (NumArgs == 5) \
{ \
TableRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX); \
if (TableRef == LUA_REFNIL) \
{ \
LOGWARN("Error in function call '" #FOREACH "': Could not get value reference of parameter #3"); \
return 0; \
} \
} \
\
/* table value is popped, and now function is on top of the stack */ \
int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX); \
if (FuncRef == LUA_REFNIL) \
{ \
LOGWARN("Error in function call '" #FOREACH "': Could not get function reference of parameter #2"); \
return 0; \
} \
\
class cLuaCallback : public cItemCallback<ITEM> \
{ \
public: \
cLuaCallback(lua_State* a_LuaState, int a_FuncRef, int a_TableRef) \
: LuaState( a_LuaState ) \
, FuncRef( a_FuncRef ) \
, TableRef( a_TableRef ) \
{} \
\
private: \
virtual bool Item(ITEM * a_Item) override \
{ \
lua_rawgeti( LuaState, LUA_REGISTRYINDEX, FuncRef); /* Push function reference */ \
tolua_pushusertype(LuaState, a_Item, #ITEM); \
if (TableRef != LUA_REFNIL) \
{ \
lua_rawgeti( LuaState, LUA_REGISTRYINDEX, TableRef); /* Push table reference */ \
} \
\
int s = lua_pcall(LuaState, (TableRef == LUA_REFNIL ? 1 : 2), 1, 0); \
report_errors(LuaState, s); \
return true; \
} \
lua_State * LuaState; \
int FuncRef; \
int TableRef; \
} Callback(tolua_S, FuncRef, TableRef); \
\
bool bRetVal = self->FOREACH(ItemX, ItemY, ItemZ, Callback); \
\
/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */ \
luaL_unref(tolua_S, LUA_REGISTRYINDEX, TableRef); \
luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef); \
\
/* Push return value on stack */ \
tolua_pushboolean(tolua_S, bRetVal ); \
return 1; \
}
#define DEFINE_LUA_FOREACHINCHUNK(CONTAINER,ITEM,FOREACH,FNNAME) \
static int FNNAME(lua_State * tolua_S) \
@@ -386,6 +475,9 @@ DEFINE_LUA_DOWITH(cWorld, cPlayer, DoWithPlayer, tolua_cWorld_DoWithPlaye
DEFINE_LUA_DOWITH(cWorld, cPlayer, FindAndDoWithPlayer, tolua_cWorld_FindAndDoWithPlayer);
DEFINE_LUA_DOWITH(cRoot, cPlayer, FindAndDoWithPlayer, tolua_cRoot_FindAndDoWithPlayer);
// Define the DoWith...At enumerators: (takes one 3D coordinate and a callback class)
DEFINE_LUA_DOWITH_XYZ(cWorld, cChestEntity, DoWithChestAt, tolua_cWorld_DoWithChestAt );
// Define the ForEach enumerators:
DEFINE_LUA_FOREACH(cWorld, cPlayer, ForEachPlayer, tolua_cWorld_ForEachPlayer);
DEFINE_LUA_FOREACH(cWorld, cEntity, ForEachEntity, tolua_cWorld_ForEachEntity);
@@ -718,6 +810,7 @@ void ManualBindings::Bind( lua_State* tolua_S )
tolua_function(tolua_S, "ForEachFurnaceInChunk", tolua_cWorld_ForEachFurnaceInChunk);
tolua_function(tolua_S, "DoWithPlayer", tolua_cWorld_DoWithPlayer);
tolua_function(tolua_S, "FindAndDoWithPlayer", tolua_cWorld_FindAndDoWithPlayer);
tolua_function(tolua_S, "DoWithChestAt", tolua_cWorld_DoWithChestAt);
tolua_endmodule(tolua_S);
tolua_beginmodule(tolua_S, "cPlugin");