Kiritow/LuaYard
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添加绘制矩形支持

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修复各个Event中SDL_Window为NULL时程序崩溃的问题.
添加渲染器颜色设置与获取.
修复音频播放的一些问题
This commit is contained in:
Kirigaya Kazuto 2019-08-11 02:20:01 +08:00
parent 080c8fef6b
commit a54b04dce9
1 changed files with 203 additions and 97 deletions
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186
LuaEngine.cpp
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@ -146,6 +146,39 @@ int GetMouseState(const char** output, Uint32 state)
return i;
}
int LuaColorToColor(lua_State* L, int index, SDL_Color& c)
{
if (lua_getfield(L, index, "type") != LUA_TSTRING)
{
lua_pop(L, 1);
return -1;
}
const char* type = lua_tostring(L, -1);
if (strcmp(type, "rgba") == 0)
{
lua_pop(L, 1);
lua_getfield(L, index, "r");
c.r = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, index, "g");
c.g = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, index, "b");
c.b = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, index, "a");
c.a = lua_tointeger(L, -1);
lua_pop(L, 1);
return 0;
}
else
{
return -1;
}
}
#define setfn(L, cfunc, name) lua_pushcfunction(L, cfunc); lua_setfield(L, -2, name)
struct Window
@ -469,6 +502,65 @@ struct Renderer
return 0;
}
static int setColor(lua_State* L)
{
check(L, { LUA_TUSERDATA, LUA_TTABLE });
Renderer* p = (Renderer*)lua_touserdata(L, 1);
SDL_Color c;
if (LuaColorToColor(L, 2, c) < 0)
{
luaL_error(L, "Bad argument #%d. Color expected, got %s", 2, lua_typename(L, lua_type(L, 2)));
}
SDL_SetRenderDrawColor(p->rnd, c.r, c.g, c.b, c.a);
return 0;
}
static int getColor(lua_State* L)
{
check(L, { LUA_TUSERDATA });
Renderer* p = (Renderer*)lua_touserdata(L, 1);
Uint8 r, b, g, a;
SDL_GetRenderDrawColor(p->rnd, &r, &g, &b, &a);
lua_newtable(L);
lua_pushinteger(L, r);
lua_setfield(L, -2, "r");
lua_pushinteger(L, g);
lua_setfield(L, -2, "g");
lua_pushinteger(L, b);
lua_setfield(L, -2, "b");
lua_pushinteger(L, a);
lua_setfield(L, -2, "a");
lua_pushstring(L, "rgba");
lua_setfield(L, -2, "type");
return 1;
}
static int drawRect(lua_State* L)
{
check(L, { LUA_TUSERDATA, LUA_TTABLE });
Renderer* p = (Renderer*)lua_touserdata(L, 1);
SDL_Rect r;
if (LuaRectPointToRect(L, 2, r) < 0)
{
luaL_error(L, "Bad argument #%d. Rect expected, got %s", 2, lua_typename(L, lua_type(L, 2)));
}
SDL_RenderDrawRect(p->rnd, &r);
return 0;
}
static int fillRect(lua_State* L)
{
check(L, { LUA_TUSERDATA, LUA_TTABLE });
Renderer* p = (Renderer*)lua_touserdata(L, 1);
SDL_Rect r;
if (LuaRectPointToRect(L, 2, r) < 0)
{
luaL_error(L, "Bad argument #%d. Rect expected, got %s", 2, lua_typename(L, lua_type(L, 2)));
}
SDL_RenderFillRect(p->rnd, &r);
return 0;
}
static int loadTexture(lua_State* L)
{
check(L, { LUA_TUSERDATA, LUA_TSTRING });
@ -562,6 +654,10 @@ struct Renderer
setfn(L, close, "close");
setfn(L, update, "update");
setfn(L, clear, "clear");
setfn(L, setColor, "setColor");
setfn(L, getColor, "getColor");
setfn(L, drawRect, "drawRect");
setfn(L, fillRect, "fillRect");
setfn(L, loadTexture, "loadTexture");
setfn(L, copy, "copy");
setfn(L, copyTo, "copyTo");
@ -582,39 +678,6 @@ struct Renderer
}
};
int LuaColorToColor(lua_State* L, int index, SDL_Color& c)
{
if (lua_getfield(L, index, "type") != LUA_TSTRING)
{
lua_pop(L, 1);
return -1;
}
const char* type = lua_tostring(L, -1);
if (strcmp(type, "color") == 0)
{
lua_pop(L, 1);
lua_getfield(L, index, "r");
c.r = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, index, "g");
c.g = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, index, "b");
c.b = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getfield(L, index, "a");
c.a = lua_tointeger(L, -1);
lua_pop(L, 1);
return 0;
}
else
{
return -1;
}
}
struct Font
{
TTF_Font* font;
@ -1086,7 +1149,13 @@ struct MusicPlayer
{
check(L, { LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER, LUA_TNUMBER });
MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
Mix_SetPosition(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4));
Sint16 angle = lua_tonumber(L, 3);
unsigned int distance = lua_tonumber(L, 4);
cout << "Mix_SetPosition " << lua_tointeger(L, 2) << " " << angle << " " << distance << endl;
if (0 == Mix_SetPosition(lua_tointeger(L, 2), angle, distance))
{
LuaSDLError(L);
}
return 0;
}
@ -1268,11 +1337,13 @@ static int setInterval(lua_State* L)
lua_pushlightuserdata(L, &setTimeout);
if (lua_gettable(L, LUA_REGISTRYINDEX) != LUA_TTABLE)
{
lua_pop(L, 1);
lua_pushlightuserdata(L, &setTimeout);
lua_newtable(L);
lua_pushvalue(L, 1);
lua_seti(L, -2, pd->id); // { [timerID] = callback }
lua_pushlightuserdata(L, &setTimeout);
lua_settable(L, LUA_REGISTRYINDEX); // registry[&setTimeout] = timerCallbackTable
}
else
@ -1365,7 +1436,10 @@ int StartEngine(lua_State* L)
{
case SDL_MOUSEBUTTONDOWN:
{
lua_pushlightuserdata(L, SDL_GetWindowFromID(e.button.windowID));
SDL_Window* wnd = SDL_GetWindowFromID(e.button.windowID);
if (wnd)
{
lua_pushlightuserdata(L, wnd);
lua_gettable(L, LUA_REGISTRYINDEX);
if (lua_getfield(L, -1, "onmousedown") != LUA_TNIL)
{
@ -1384,11 +1458,15 @@ int StartEngine(lua_State* L)
}
else lua_pop(L, 1);
lua_pop(L, 1);
}
break;
}
case SDL_MOUSEBUTTONUP:
{
lua_pushlightuserdata(L, SDL_GetWindowFromID(e.button.windowID));
SDL_Window* wnd = SDL_GetWindowFromID(e.button.windowID);
if (wnd)
{
lua_pushlightuserdata(L, wnd);
lua_gettable(L, LUA_REGISTRYINDEX);
if (lua_getfield(L, -1, "onmouseup") != LUA_TNIL)
{
@ -1407,11 +1485,15 @@ int StartEngine(lua_State* L)
}
else lua_pop(L, 1);
lua_pop(L, 1);
}
break;
}
case SDL_MOUSEMOTION:
{
lua_pushlightuserdata(L, SDL_GetWindowFromID(e.motion.windowID));
SDL_Window* wnd = SDL_GetWindowFromID(e.motion.windowID);
if (wnd)
{
lua_pushlightuserdata(L, wnd);
lua_gettable(L, LUA_REGISTRYINDEX);
if (lua_getfield(L, -1, "onmousemove") != LUA_TNIL)
{
@ -1431,6 +1513,7 @@ int StartEngine(lua_State* L)
}
else lua_pop(L, 1);
lua_pop(L, 1);
}
break;
}
case SDL_QUIT:
@ -1458,7 +1541,10 @@ int StartEngine(lua_State* L)
}
case SDL_KEYDOWN:
{
lua_pushlightuserdata(L, SDL_GetWindowFromID(e.key.windowID));
SDL_Window* wnd = SDL_GetWindowFromID(e.key.windowID);
if (wnd)
{
lua_pushlightuserdata(L, wnd);
lua_gettable(L, LUA_REGISTRYINDEX);
if (lua_getfield(L, -1, "onkeydown") != LUA_TNIL)
{
@ -1467,11 +1553,15 @@ int StartEngine(lua_State* L)
}
else lua_pop(L, 1);
lua_pop(L, 1);
}
break;
}
case SDL_KEYUP:
{
lua_pushlightuserdata(L, SDL_GetWindowFromID(e.key.windowID));
SDL_Window* wnd = SDL_GetWindowFromID(e.key.windowID);
if (wnd)
{
lua_pushlightuserdata(L, wnd);
lua_gettable(L, LUA_REGISTRYINDEX);
if (lua_getfield(L, -1, "onkeyup") != LUA_TNIL)
{
@ -1480,6 +1570,7 @@ int StartEngine(lua_State* L)
}
else lua_pop(L, 1);
lua_pop(L, 1);
}
break;
}
case SDL_USEREVENT:
@ -1493,8 +1584,23 @@ int StartEngine(lua_State* L)
lua_pushlightuserdata(L, &setTimeout);
lua_gettable(L, LUA_REGISTRYINDEX); // registry[&setTimeout]
lua_geti(L, -1, pd->id); // registry[&setTimeout][timerID]
if (!pd->type)
{
delete pd;
LuaRunCallback(L, 0);
}
else
{
if (LuaRunCallback(L, 0, 1) == 0)
{
if (lua_type(L, -1) == LUA_TBOOLEAN && !lua_toboolean(L, -1))
{
SDL_RemoveTimer(pd->id);
delete pd;
}
lua_pop(L, 1);
}
}
lua_pop(L, 1);
break;
}