axmol/cocos/scripting/lua/bindings/LuaBasicConversions.h

251 lines
8.6 KiB
C++

#ifndef __COCOS2DX_SCRIPTING_LUA_COCOS2DXSUPPORT_LUABAISCCONVERSIONS_H__
#define __COCOS2DX_SCRIPTING_LUA_COCOS2DXSUPPORT_LUABAISCCONVERSIONS_H__
extern "C" {
#include "lua.h"
#include "tolua++.h"
#include "tolua_fix.h"
}
#include "cocos2d.h"
using namespace cocos2d;
extern std::unordered_map<std::string, std::string> g_luaType;
#if COCOS2D_DEBUG >=1
void luaval_to_native_err(lua_State* L,const char* msg,tolua_Error* err);
#endif
#define LUA_PRECONDITION( condition, ...) if( ! (condition) ) { \
cocos2d::log("lua: ERROR: File %s: Line: %d, Function: %s", __FILE__, __LINE__, __FUNCTION__ ); \
cocos2d::log(__VA_ARGS__); \
} \
extern bool luaval_is_usertype(lua_State* L,int lo,const char* type, int def);
// to native
extern bool luaval_to_ushort(lua_State* L, int lo, unsigned short* outValue);
extern bool luaval_to_int32(lua_State* L,int lo,int* outValue);
extern bool luaval_to_uint32(lua_State* L, int lo, unsigned int* outValue);
extern bool luaval_to_uint16(lua_State* L,int lo,uint16_t* outValue);
extern bool luaval_to_boolean(lua_State* L,int lo,bool* outValue);
extern bool luaval_to_number(lua_State* L,int lo,double* outValue);
extern bool luaval_to_long_long(lua_State* L,int lo,long long* outValue);
extern bool luaval_to_std_string(lua_State* L, int lo, std::string* outValue);
extern bool luaval_to_long(lua_State* L,int lo, long* outValue);
extern bool luaval_to_ssize(lua_State* L,int lo, ssize_t* outValue);
extern bool luaval_to_point(lua_State* L,int lo,Point* outValue);
extern bool luaval_to_size(lua_State* L,int lo,Size* outValue);
extern bool luaval_to_rect(lua_State* L,int lo,Rect* outValue);
extern bool luaval_to_color3b(lua_State* L,int lo,Color3B* outValue);
extern bool luaval_to_color4b(lua_State* L,int lo,Color4B* outValue);
extern bool luaval_to_color4f(lua_State* L,int lo,Color4F* outValue);
extern bool luaval_to_affinetransform(lua_State* L,int lo, AffineTransform* outValue);
extern bool luaval_to_fontdefinition(lua_State* L, int lo, FontDefinition* outValue );
extern bool luaval_to_array(lua_State* L,int lo, Array** outValue);
extern bool luaval_to_dictionary(lua_State* L,int lo, Dictionary** outValue);
extern bool luaval_to_array_of_Point(lua_State* L,int lo,Point **points, int *numPoints);
extern bool luavals_variadic_to_array(lua_State* L,int argc, Array** ret);
extern bool luavals_variadic_to_ccvaluevector(lua_State* L, int argc, cocos2d::ValueVector* ret);
template <class T>
bool luavals_variadic_to_ccvector( lua_State* L, int argc, cocos2d::Vector<T>* ret)
{
if (nullptr == L || argc == 0 )
return false;
bool ok = true;
for (int i = 0; i < argc; i++)
{
if (lua_isuserdata(L, i + 2))
{
tolua_Error err;
//Undo check
if (!tolua_isusertype(L, i + 2, "Object", 0, &err))
{
ok = false;
break;
}
T obj = static_cast<T>(tolua_tousertype(L, i + 2, nullptr));
ret->pushBack(obj);
}
}
return ok;
}
template <class T>
bool luaval_to_ccvector(lua_State* L, int lo , cocos2d::Vector<T>* ret)
{
if (nullptr == L || nullptr == ret)
return false;
bool ok = true;
tolua_Error tolua_err;
if (!tolua_istable(L, lo, 0, &tolua_err) )
ok = false;
if (ok)
{
size_t len = lua_objlen(L, lo);
for (int i = 0; i < len; i++)
{
lua_pushnumber(L, i + 1);
lua_gettable(L, lo);
if (lua_isnil(L, -1) || !lua_isuserdata(L, -1))
{
lua_pop(L, 1);
continue;
}
T cobj = static_cast<T>(tolua_tousertype(L, -1, NULL) );
if (NULL != cobj)
ret->pushBack(cobj);
lua_pop(L, 1);
}
}
return ok;
}
bool luaval_to_std_vector_string(lua_State* L, int lo, std::vector<std::string>* ret);
bool luaval_to_std_vector_int(lua_State* L, int lo, std::vector<int>* ret);
template <class T>
bool luaval_to_ccmap_string_key(lua_State* L, int lo, cocos2d::Map<std::string, T>* ret)
{
if(nullptr == L || nullptr == ret || lua_gettop(L) < lo)
return false;
tolua_Error tolua_err;
bool ok = true;
if (!tolua_istable(L, lo, 0, &tolua_err))
{
#if COCOS2D_DEBUG >=1
luaval_to_native_err(L,"#ferror:",&tolua_err);
#endif
ok = false;
}
if (ok)
{
std::string stringKey = "";
lua_pushnil(L); /* first key L: lotable ..... nil */
while ( 0 != lua_next(L, lo ) ) /* L: lotable ..... key value */
{
if (!lua_isstring(L, -2))
{
lua_pop(L, 1); /* removes 'value'; keep 'key' for next iteration*/
continue;
}
if (lua_isnil(L, -1) || !lua_isuserdata(L, -1))
{
lua_pop(L, 1);
continue;
}
luaval_to_std_string(L, -2, &stringKey);
T obj = static_cast<T>(tolua_tousertype(L, -1, NULL) );
if (nullptr != obj)
ret->insert(stringKey, obj);
lua_pop(L, 1); /* L: lotable ..... key */
}
}
return ok;
}
extern bool luaval_to_ccvalue(lua_State* L, int lo, cocos2d::Value* ret);
extern bool luaval_to_ccvaluemap(lua_State* L, int lo, cocos2d::ValueMap* ret);
extern bool luaval_to_ccintvaluemap(lua_State* L, int lo, cocos2d::IntValueMap* ret);
extern bool luaval_to_ccvaluevector(lua_State* L, int lo, cocos2d::ValueVector* ret);
// from native
extern void point_to_luaval(lua_State* L,const Point& pt);
extern void size_to_luaval(lua_State* L,const Size& sz);
extern void rect_to_luaval(lua_State* L,const Rect& rt);
extern void color3b_to_luaval(lua_State* L,const Color3B& cc);
extern void color4b_to_luaval(lua_State* L,const Color4B& cc);
extern void color4f_to_luaval(lua_State* L,const Color4F& cc);
extern void affinetransform_to_luaval(lua_State* L,const AffineTransform& inValue);
extern void fontdefinition_to_luaval(lua_State* L,const FontDefinition& inValue);
extern void array_to_luaval(lua_State* L,Array* inValue);
extern void dictionary_to_luaval(lua_State* L, Dictionary* dict);
template <class T>
void ccvector_to_luaval(lua_State* L,const cocos2d::Vector<T>& inValue)
{
lua_newtable(L);
if (nullptr == L)
return;
int indexTable = 1;
for (const auto& obj : inValue)
{
if (nullptr == obj)
continue;
if (nullptr != dynamic_cast<cocos2d::Object *>(obj))
{
std::string typeName = typeid(*obj).name();
auto iter = g_luaType.find(typeName);
if (g_luaType.end() != iter)
{
lua_pushnumber(L, (lua_Number)indexTable);
int ID = (obj) ? (int)obj->_ID : -1;
int* luaID = (obj) ? &obj->_luaID : NULL;
toluafix_pushusertype_ccobject(L, ID, luaID, (void*)obj,iter->second.c_str());
lua_rawset(L, -3);
obj->retain();
++indexTable;
}
}
}
}
template <class T>
void ccmap_string_key_to_luaval(lua_State* L, const cocos2d::Map<std::string, T>& v)
{
lua_newtable(L);
if(nullptr == L)
return;
for (auto iter = v.begin(); iter != v.end(); ++iter)
{
std::string key = iter->first;
T obj = iter->second;
if (nullptr != dynamic_cast<cocos2d::Object *>(obj))
{
std::string name = typeid(*obj).name();
auto typeIter = g_luaType.find(name);
if (g_luaType.end() != typeIter)
{
lua_pushstring(L, name.c_str());
int ID = (obj) ? (int)obj->_ID : -1;
int* luaID = (obj) ? &obj->_luaID : NULL;
toluafix_pushusertype_ccobject(L, ID, luaID, (void*)obj,typeIter->second.c_str());
lua_rawset(L, -3);
}
}
}
}
void ccvalue_to_luaval(lua_State* L,const cocos2d::Value& inValue);
void ccvaluemap_to_luaval(lua_State* L,const cocos2d::ValueMap& inValue);
void ccintvaluemap_to_luaval(lua_State* L, const cocos2d::IntValueMap& inValue);
void ccvaluevector_to_luaval(lua_State* L, const cocos2d::ValueVector& inValue);
#endif //__COCOS2DX_SCRIPTING_LUA_COCOS2DXSUPPORT_LUABAISCCONVERSIONS_H__