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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef LUA_OBJECT_RENDERING_H
#define LUA_OBJECT_RENDERING_H
// for LuaObjType
#include "LuaObjectMaterial.h"
struct lua_State;
template<LuaObjType T> class LuaObjectRendering;
class LuaObjectRenderingImpl {
#if __GNUC__ == 11
public:
#else
private:
friend class LuaObjectRendering<LUAOBJ_UNIT>;
friend class LuaObjectRendering<LUAOBJ_FEATURE>;
#endif
static void CreateMatRefMetatable(lua_State* L);
static void PushFunction(lua_State* L, int (*fnPntr)(lua_State*), const char* fnName);
static void PushObjectType(LuaObjType type) { objectTypeStack.push_back(type); }
static void PopObjectType() { objectTypeStack.pop_back(); }
static LuaObjType GetObjectType() {
if (!objectTypeStack.empty())
return (objectTypeStack.back());
return LUAOBJ_LAST;
}
static int GetLODCount(lua_State* L);
static int SetLODCount(lua_State* L);
static int SetLODLength(lua_State* L);
static int SetLODDistance(lua_State* L);
static int SetPieceList(lua_State* L) { return 0; }
static int GetMaterial(lua_State* L);
static int SetMaterial(lua_State* L);
static int SetMaterialLastLOD(lua_State* L);
static int SetMaterialDisplayLists(lua_State* L) { return 0; }
static int SetDeferredMaterialUniform(lua_State* L);
static int SetForwardMaterialUniform(lua_State* L);
static int ClearDeferredMaterialUniform(lua_State* L);
static int ClearForwardMaterialUniform(lua_State* L);
static int SetUnitLuaDraw(lua_State* L);
static int SetFeatureLuaDraw(lua_State* L);
static int SetProjectileLuaDraw(lua_State* L);
static int Debug(lua_State* L);
private:
static std::vector<LuaObjType> objectTypeStack;
};
template<LuaObjType T> class LuaObjectRendering {
public:
static bool PushEntries(lua_State* L) {
LuaObjectRenderingImpl::CreateMatRefMetatable(L);
// register our wrapper functions so the implementations know
// the proper LuaObjType value for their corresponding tables
#define PUSH_FUNCTION(x) LuaObjectRenderingImpl::PushFunction(L, x, #x)
PUSH_FUNCTION(GetLODCount);
PUSH_FUNCTION(SetLODCount);
PUSH_FUNCTION(SetLODLength);
PUSH_FUNCTION(SetLODDistance);
PUSH_FUNCTION(GetMaterial);
PUSH_FUNCTION(SetMaterial);
PUSH_FUNCTION(SetMaterialLastLOD);
PUSH_FUNCTION(SetMaterialDisplayLists);
PUSH_FUNCTION(SetDeferredMaterialUniform);
PUSH_FUNCTION(SetForwardMaterialUniform);
PUSH_FUNCTION(ClearDeferredMaterialUniform);
PUSH_FUNCTION(ClearForwardMaterialUniform);
PUSH_FUNCTION(SetPieceList);
PUSH_FUNCTION(SetUnitLuaDraw);
PUSH_FUNCTION(SetFeatureLuaDraw);
PUSH_FUNCTION(SetProjectileLuaDraw);
PUSH_FUNCTION(Debug);
#undef PUSH_FUNCTION
return true;
}
private:
static int GetLODCount(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::GetLODCount(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetLODCount(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetLODCount(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetLODLength(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetLODLength(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetLODDistance(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetLODDistance(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetPieceList(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetPieceList(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int GetMaterial(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::GetMaterial(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetMaterial(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetMaterial(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetMaterialLastLOD(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetMaterialLastLOD(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetMaterialDisplayLists(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetMaterialDisplayLists(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetDeferredMaterialUniform(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetDeferredMaterialUniform(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetForwardMaterialUniform(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::SetForwardMaterialUniform(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int ClearDeferredMaterialUniform(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::ClearDeferredMaterialUniform(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int ClearForwardMaterialUniform(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::ClearForwardMaterialUniform(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
static int SetUnitLuaDraw(lua_State* L) {
if (T != LUAOBJ_UNIT)
return 0;
return (LuaObjectRenderingImpl::SetUnitLuaDraw(L));
}
static int SetFeatureLuaDraw(lua_State* L) {
if (T != LUAOBJ_FEATURE)
return 0;
return (LuaObjectRenderingImpl::SetFeatureLuaDraw(L));
}
// NB: value of T is not relevant here, slightly foreign callout
static int SetProjectileLuaDraw(lua_State* L) {
return (LuaObjectRenderingImpl::SetProjectileLuaDraw(L));
}
static int Debug(lua_State* L) {
LuaObjectRenderingImpl::PushObjectType(T);
const int ret = LuaObjectRenderingImpl::Debug(L);
LuaObjectRenderingImpl::PopObjectType();
return ret;
}
};
#endif /* LUA_OBJECT_RENDERING_H */
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