Kiritow/LuaEngine
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LuaEngine v0.5.2

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Renderer update.
This commit is contained in:
Kirigaya Kazuto 2020-06-30 11:02:51 +08:00
parent 7b098c50ed
commit 1d9e2eadbf
3 changed files with 225 additions and 5 deletions
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221
Renderer.cpp
View File

@ -10,10 +10,17 @@ class Renderer
setTarget(text: Texture)
clear()
update()
copy(text: Texture, sx: int, sy: int, sw: int, sh: int, dx: int, dy: int, dw: int, dh: int)
copyTo(text: Texture, dx: int, dy: int, [dw: int, dh: int])
copyFill(text: Texture, sx: int, sy: int, sw: int, sh: int)
copyFullFill(text: Texture)
copyEx(text: Texture, sx: int, sy: int, sw: int, sh: int, dx: int, dy: int, dw: int, dh: int, angle: number, flip: string, [cx: int, cy: int])
copyToEx(text: Texture, dx: int, dy: int, [dw: int, dh: int], angle: number, flip: string, [cx: int, cy: int])
copyFillEx(text: Texture, sx: int, sy: int, sw: int, sh: int, angle: number, flip: string, [cx: int, cy: int])
copyFullFillEx(text: Texture, angle: number, flip: string, [cx: int, cy: int])
drawPoint(x: int, y: int)
drawLine(x1: int, y1: int, x2: int, y2: int)
drawRect(x: int, y: int, w: int, h: int)
@ -206,6 +213,216 @@ int render_copyfullfill(lua_State* L)
return 0;
}
static SDL_RendererFlip flip_string_to_enum(const char* str)
{
int flag = SDL_FLIP_NONE;
if (strstr(str, "vert"))
{
flag |= SDL_FLIP_VERTICAL;
}
else if (strstr(str, "hori") == 0)
{
flag |= SDL_FLIP_HORIZONTAL;
}
return (SDL_RendererFlip)flag;
}
int render_copyex(lua_State* L)
{
auto rnd = lua_checkpointer<SDL_Renderer>(L, 1, "LuaEngineRenderer");
auto text = lua_checkpointer<SDL_Texture>(L, 2, "LuaEngineTexture");
int sx = luaL_checkinteger(L, 3);
int sy = luaL_checkinteger(L, 4);
int sw = luaL_checkinteger(L, 5);
int sh = luaL_checkinteger(L, 6);
int dx = luaL_checkinteger(L, 7);
int dy = luaL_checkinteger(L, 8);
int dw = luaL_checkinteger(L, 9);
int dh = luaL_checkinteger(L, 10);
double angle = luaL_checknumber(L, 11);
const char* rawflip = luaL_checkstring(L, 12);
SDL_RendererFlip flip = flip_string_to_enum(rawflip);
SDL_Point* pCenter, center;
if (!lua_isnone(L, 13))
{
center.x = luaL_checkinteger(L, 13);
center.y = luaL_checkinteger(L, 14);
pCenter = &center;
}
else
{
pCenter = nullptr;
}
SDL_Rect src;
src.x = sx;
src.y = sy;
src.w = sw;
src.h = sh;
SDL_Rect dst;
dst.x = dx;
dst.y = dy;
dst.w = dw;
dst.h = dh;
if (SDL_RenderCopyEx(rnd, text, &src, &dst, angle, pCenter, flip) != 0)
{
return SDLError(L, SDL_RenderCopyEx);
}
return 0;
}
int render_copytoex(lua_State* L)
{
auto rnd = lua_checkpointer<SDL_Renderer>(L, 1, "LuaEngineRenderer");
auto text = lua_checkpointer<SDL_Texture>(L, 2, "LuaEngineTexture");
int x = luaL_checkinteger(L, 3);
int y = luaL_checkinteger(L, 4);
int w, h;
if (SDL_QueryTexture(text, NULL, NULL, &w, &h) != 0)
{
return SDLError(L, SDL_QueryTexture);
}
double angle;
const char* rawflip;
SDL_Point* pCenter, center;
if (!lua_isnone(L, 6) && lua_type(L, 6) == LUA_TSTRING)
{
angle = luaL_checknumber(L, 5);
rawflip = luaL_checkstring(L, 6);
if (!lua_isnone(L, 7))
{
center.x = luaL_checkinteger(L, 7);
center.y = luaL_checkinteger(L, 8);
pCenter = &center;
}
else
{
pCenter = nullptr;
}
}
else if (!lua_isnone(L, 7) && lua_type(L, 7) == LUA_TSTRING)
{
w = luaL_checkinteger(L, 5);
angle = luaL_checknumber(L, 6);
rawflip = luaL_checkstring(L, 7);
if (!lua_isnone(L, 8))
{
center.x = luaL_checkinteger(L, 8);
center.y = luaL_checkinteger(L, 9);
pCenter = &center;
}
else
{
pCenter = nullptr;
}
}
else
{
w = luaL_checkinteger(L, 5);
h = luaL_checkinteger(L, 6);
angle = luaL_checknumber(L, 7);
rawflip = luaL_checkstring(L, 8);
if (!lua_isnone(L, 9))
{
center.x = luaL_checkinteger(L, 9);
center.y = luaL_checkinteger(L, 10);
pCenter = &center;
}
else
{
pCenter = nullptr;
}
}
SDL_RendererFlip flip = flip_string_to_enum(rawflip);
SDL_Rect r;
r.w = w;
r.h = h;
r.x = x;
r.y = y;
if (SDL_RenderCopyEx(rnd, text, NULL, &r, angle, pCenter, flip) != 0)
{
return SDLError(L, SDL_RenderCopyEx);
}
return 0;
}
int render_copyfillex(lua_State* L)
{
auto rnd = lua_checkpointer<SDL_Renderer>(L, 1, "LuaEngineRenderer");
auto text = lua_checkpointer<SDL_Texture>(L, 2, "LuaEngineTexture");
int x = luaL_checkinteger(L, 3);
int y = luaL_checkinteger(L, 4);
int w = luaL_checkinteger(L, 5);
int h = luaL_checkinteger(L, 6);
double angle = luaL_checknumber(L, 7);
const char* rawflip = luaL_checkstring(L, 8);
SDL_RendererFlip flip = flip_string_to_enum(rawflip);
SDL_Point* pCenter, center;
if (!lua_isnone(L, 9))
{
center.x = luaL_checkinteger(L, 9);
center.y = luaL_checkinteger(L, 10);
pCenter = &center;
}
else
{
pCenter = nullptr;
}
SDL_Rect r;
r.w = w;
r.h = h;
r.x = x;
r.y = y;
if (SDL_RenderCopyEx(rnd, text, &r, NULL, angle, pCenter, flip) != 0)
{
return SDLError(L, SDL_RenderCopyEx);
}
return 0;
}
int render_copyfullfillex(lua_State* L)
{
auto rnd = lua_checkpointer<SDL_Renderer>(L, 1, "LuaEngineRenderer");
auto text = lua_checkpointer<SDL_Texture>(L, 2, "LuaEngineTexture");
double angle = luaL_checknumber(L, 3);
const char* rawflip = luaL_checkstring(L, 4);
SDL_RendererFlip flip = flip_string_to_enum(rawflip);
SDL_Point* pCenter, center;
if (!lua_isnone(L, 5))
{
center.x = luaL_checkinteger(L, 5);
center.y = luaL_checkinteger(L, 6);
pCenter = &center;
}
else
{
pCenter = nullptr;
}
if (SDL_RenderCopyEx(rnd, text, NULL, NULL, angle, pCenter, flip) != 0)
{
return SDLError(L, SDL_RenderCopyEx);
}
return 0;
}
int render_drawpoint(lua_State* L)
{
auto rnd = lua_checkpointer<SDL_Renderer>(L, 1, "LuaEngineRenderer");
@ -437,6 +654,10 @@ int render_new(lua_State* L)
lua_setfield_function(L, "copyTo", render_copyto);
lua_setfield_function(L, "copyFill", render_copyfill);
lua_setfield_function(L, "copyFullFill", render_copyfullfill);
lua_setfield_function(L, "copyEx", render_copyex);
lua_setfield_function(L, "copyToEx", render_copytoex);
lua_setfield_function(L, "copyFillEx", render_copyfillex);
lua_setfield_function(L, "copyFullFillEx", render_copyfullfillex);
lua_setfield_function(L, "drawPoint", render_drawpoint);
lua_setfield_function(L, "drawLine", render_drawline);
lua_setfield_function(L, "drawRect", render_drawrect);

5
include.h
View File

@ -40,8 +40,9 @@ T* lua_testblock(lua_State* L, int idx, const char* name)
}
// Shared Functions
void put_surface(lua_State* L, SDL_Surface* surf);
void put_texture(lua_State* L, SDL_Texture* text);
void put_surface(lua_State* L, SDL_Surface* surf); // Surface
void put_texture(lua_State* L, SDL_Texture* text); // Texture
const char* VirtualKeyToString(SDL_Keycode vkey); // Event
// Init Functions
void InitWindow(lua_State* L);

4
main.cpp
View File

@ -27,9 +27,7 @@ string LoadFile(const string& filename)
int main()
{
InitEngine();
lua_State* L = luaL_newstate();
luaL_openlibs(L);
InitLuaEngine(L);
lua_State* L = CreateLuaEngine();
_chdir("game");
string code = LoadFile("app.lua");
if (luaL_loadbufferx(L, code.c_str(), code.size(), "ProgramMain", "t"))