mirror of https://github.com/Kiritow/LuaEngine
147 lines
3.6 KiB
C++
147 lines
3.6 KiB
C++
#pragma once
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#include "LuaEngine.h"
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#include <atomic>
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#define SDLError(L, prompt) luaL_error(L, #prompt ": %s", SDL_GetError())
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#define TTFError(L, prompt) luaL_error(L, #prompt ": %s", TTF_GetError())
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#define IMGError(L, prompt) luaL_error(L, #prompt ": %s", IMG_GetError())
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#define MixError(L, prompt) luaL_error(L, #prompt ": %s", Mix_GetError())
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#define lua_setfield_function(L, name, func) lua_pushcfunction(L, func);lua_setfield(L, -2, name)
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template<typename PointerType>
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void lua_newpointer(lua_State* L, PointerType* p)
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{
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auto ptr = (PointerType**)lua_newuserdata(L, sizeof(PointerType*));
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*ptr = p;
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}
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template<typename PointerType>
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PointerType* lua_checkpointer(lua_State* L, int idx, const char* name)
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{
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return *(PointerType**)luaL_checkudata(L, idx, name);
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}
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template<typename ResourceType>
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class ShareableResource
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{
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public:
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std::atomic<bool> isShared;
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ResourceType* ptr;
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void (*fnDeleter)(ResourceType*);
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std::shared_ptr<ResourceType> sp;
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ShareableResource(ResourceType* in, void (*delfn)(ResourceType*)) : isShared(false), ptr(in), fnDeleter(delfn)
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{
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}
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ShareableResource(const std::shared_ptr<ResourceType>& in) : isShared(true), ptr(nullptr), fnDeleter(nullptr), sp(in)
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{
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}
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~ShareableResource()
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{
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if (ptr)
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{
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fnDeleter(ptr);
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ptr = nullptr;
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}
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}
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void enable_share()
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{
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bool b = false;
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if (isShared.compare_exchange_strong(b, true))
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{
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sp.reset(ptr, fnDeleter);
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ptr = nullptr;
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}
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}
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ResourceType* get()
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{
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if (!isShared) return ptr;
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else return sp.get();
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}
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};
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template<typename ResourceType>
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void lua_newres(lua_State* L, const std::shared_ptr<ResourceType>& sp)
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{
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new (lua_newuserdata(L, sizeof(ShareableResource<ResourceType>))) ShareableResource<ResourceType>(sp);
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}
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template<typename ResourceType>
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void lua_newres(lua_State* L, ResourceType* p, void(*delfn)(ResourceType*))
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{
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new (lua_newuserdata(L, sizeof(ShareableResource<ResourceType>))) ShareableResource<ResourceType>(p, delfn);
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}
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template<typename ResourceType>
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ResourceType* lua_checkres(lua_State* L, int idx, const char* name)
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{
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auto pres = (ShareableResource<ResourceType>*)luaL_checkudata(L, idx, name);
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return pres->get();
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}
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template<typename ResourceType>
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ShareableResource<ResourceType>* lua_checkfullres(lua_State* L, int idx, const char* name)
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{
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return (ShareableResource<ResourceType>*)luaL_checkudata(L, idx, name);
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}
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template<typename T>
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T* lua_newblock(lua_State* L)
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{
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return (T*)lua_newuserdata(L, sizeof(T));
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}
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template<typename T>
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T* lua_checkblock(lua_State* L, int idx, const char* name)
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{
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return (T*)luaL_checkudata(L, idx, name);
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}
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template<typename T>
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T* lua_testblock(lua_State* L, int idx, const char* name)
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{
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return (T*)luaL_testudata(L, idx, name);
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}
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// Shared Functions
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// Surface
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void put_surface(lua_State* L, SDL_Surface* surf);
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void put_surface(lua_State* L, const std::shared_ptr<SDL_Surface>& surf);
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void put_texture(lua_State* L, SDL_Texture* text); // Texture
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const char* VirtualKeyToString(SDL_Keycode vkey); // Event
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// Init Functions
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void InitWindow(lua_State* L);
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void InitRenderer(lua_State* L);
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void InitSurface(lua_State* L);
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void InitFont(lua_State* L);
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void InitMusic(lua_State* L);
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void InitEvent(lua_State* L);
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void InitCommon(lua_State* L);
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void InitTCPSocket(lua_State* L);
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void InitUDPSocket(lua_State* L);
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void InitNetwork(lua_State* L);
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void InitThread(lua_State* L);
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void InitChannel(lua_State* L);
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void InitSocketSelector(lua_State* L);
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void PlatInit();
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#ifdef _WIN32
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void put_winerror(lua_State* L, int errcode, const char* hint);
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#else
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void put_linuxerror(lua_State* L, int errcode, const char* hint);
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#endif // ifdef _WIN32
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int lua_errno(lua_State* L, const char* hint);
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