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#include "lua/modules/luax.h"
#include "lua/common/je_lua_common.h"
#include "libjin/jin.h"
#include "je_lua_sprite.h"
#include "je_lua_canvas.h"
#include "je_lua_texture.h"
#include "je_lua_shader.h"
using namespace JinEngine::Graphics;
using namespace JinEngine::Graphics::Shaders;
namespace JinEngine
{
namespace Lua
{
const char* Jin_Lua_Sprite = "Sprite";
typedef Shared<Sprite>& SharedSprite;
LUA_IMPLEMENT inline SharedSprite checkSprite(lua_State* L)
{
Proxy* proxy = (Proxy*)luax_checktype(L, 1, Jin_Lua_Sprite);
return proxy->getShared<Sprite>();
}
LUA_IMPLEMENT int l_gc(lua_State* L)
{
Proxy* p = (Proxy*)luax_checktype(L, 1, Jin_Lua_Sprite);
p->release();
return 0;
}
LUA_IMPLEMENT int l_setRotation(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
float r = luax_checknumber(L, 2);
sprite->setRotation(r);
return 0;
}
LUA_IMPLEMENT int l_setOrigin(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
switch (luax_gettop(L))
{
case 2:
{
int origin = luax_checkinteger(L, 2);
sprite->setOrigin(static_cast<Sprite::Origin>(origin));
}
break;
case 3:
{
int x = luax_checkinteger(L, 2);
int y = luax_checkinteger(L, 3);
sprite->setOrigin(x, y);
}
break;
}
return 0;
}
LUA_IMPLEMENT int l_setPosition(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
float x = luax_checknumber(L, 2);
float y = luax_checknumber(L, 3);
sprite->setPosition(x, y);
return 0;
}
LUA_IMPLEMENT int l_setScale(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
float sx = luax_checknumber(L, 2);
float sy = luax_checknumber(L, 3);
sprite->setScale(sx, sy);
return 0;
}
LUA_IMPLEMENT int l_setColor(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
Channel r = luax_checkinteger(L, 2);
Channel g = luax_checkinteger(L, 3);
Channel b = luax_checkinteger(L, 4);
Channel a = luax_checkinteger(L, 5);
sprite->setColor(Color(r, g, b, a));
return 0;
}
LUA_IMPLEMENT int l_setGraphic(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
Graphic* graphic = nullptr;
Proxy* p = nullptr;
if (luax_istype(L, 2, Jin_Lua_Texture))
p = (Proxy*)luax_checktype(L, 2, Jin_Lua_Texture);
else if (luax_istype(L, 2, Jin_Lua_Canvas))
p = (Proxy*)luax_checktype(L, 2, Jin_Lua_Canvas);
if (p != nullptr)
{
sprite->setGraphic(p->getObject<Graphic>());
sprite.setDependency((int)SpriteDependency::DEP_GRAPHIC, &p->getShared<Graphic>());
}
return 0;
}
LUA_IMPLEMENT int l_move(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
float x = luax_checknumber(L, 2);
float y = luax_checknumber(L, 3);
sprite->move(x, y);
return 0;
}
LUA_IMPLEMENT int l_scale(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
float sx = luax_checknumber(L, 2);
float sy = luax_checknumber(L, 3);
sprite->scale(sx, sy);
return 0;
}
LUA_IMPLEMENT int l_rotate(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
float r = luax_checknumber(L, 2);
sprite->rotate(r);
return 0;
}
LUA_IMPLEMENT int l_getRotation(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
float r = sprite->getRotation();
luax_pushnumber(L, r);
return 1;
}
LUA_IMPLEMENT int l_getPosition(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
const Math::Vector2<float>& pos = sprite->getPosition();
luax_pushnumber(L, pos.x);
luax_pushnumber(L, pos.y);
return 2;
}
LUA_IMPLEMENT int l_getOrigin(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
const Math::Vector2<float>& origin = sprite->getOrigin();
luax_pushinteger(L, origin.x);
luax_pushinteger(L, origin.y);
return 2;
}
LUA_IMPLEMENT int l_getScale(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
const Math::Vector2<float> scale = sprite->getScale();
luax_pushnumber(L, scale.x);
luax_pushnumber(L, scale.y);
return 2;
}
LUA_IMPLEMENT int l_getColor(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
const Color& c = sprite->getColor();
luax_pushinteger(L, c.r);
luax_pushinteger(L, c.g);
luax_pushinteger(L, c.b);
luax_pushinteger(L, c.a);
return 4;
}
LUA_IMPLEMENT int l_render(lua_State* L)
{
SharedSprite sprite = checkSprite(L);
sprite->render();
return 0;
}
LUA_IMPLEMENT int l_getGraphic(lua_State* L)
{
Proxy* pxySprite = (Proxy*)luax_checktype(L, 1, Jin_Lua_Sprite);
Shared<Sprite>& shrSprite = pxySprite->getShared<Sprite>();
SharedBase* shrGraphic = shrSprite.getDependency((int)SpriteDependency::DEP_GRAPHIC);
if (shrGraphic->isType(Jin_Lua_Canvas))
{
Proxy* pxyCanvas = luax_newinstance(L, Jin_Lua_Canvas);
pxyCanvas->bind(shrGraphic);
return 1;
}
else if (shrGraphic->isType(Jin_Lua_Texture))
{
Proxy* pxyTexture = luax_newinstance(L, Jin_Lua_Texture);
pxyTexture->bind(shrGraphic);
return 1;
}
return 0;
}
LUA_IMPLEMENT int l_getShader(lua_State* L)
{
Proxy* pxySprite = (Proxy*)luax_checktype(L, 1, Jin_Lua_Sprite);
Shared<Sprite>& shrSprite = pxySprite->getShared<Sprite>();
SharedBase* shrShader = shrSprite.getDependency((int)SpriteDependency::DEP_SHADER);
if (shrShader != nullptr && shrShader->isType(Jin_Lua_Shader))
{
Proxy* pxyShader = luax_newinstance(L, Jin_Lua_Shader);
pxyShader->bind(shrShader);
return 1;
}
return 0;
}
LUA_EXPORT void luaopen_Sprite(lua_State* L)
{
luaL_Reg methods[] = {
{ "__gc", l_gc },
{ "render", l_render },
{ "setRotation", l_setRotation },
{ "setOrigin", l_setOrigin },
{ "setPosition", l_setPosition },
{ "setScale", l_setScale },
{ "setColor", l_setColor },
{ "setGraphic", l_setGraphic },
{ "move", l_move },
{ "scale", l_scale },
{ "rotate", l_rotate },
{ "getRotation", l_getRotation },
{ "getPosition", l_getPosition },
{ "getOrigin", l_getOrigin },
{ "getScale", l_getScale },
{ "getColor", l_getColor },
{ "getShader", l_getShader },
{ "getGraphic", l_getGraphic },
{ 0, 0 }
};
luax_newtype(L, Jin_Lua_Sprite, methods);
}
} // namespace Lua
} // namespace JinEngine
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