更多音乐API
parent
566a85f3db
commit
e970050065
340
LuaEngine.cpp
340
LuaEngine.cpp
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@ -14,21 +14,64 @@ using namespace std;
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// Global single-thread unprotected event callback id counter
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int callback_counter = 1;
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void check(lua_State* L, const vector<int>& typearr)
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bool LuaCompareType(lua_State* L, int index, const char* type, bool leave=false)
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{
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int indexType = lua_getfield(L, index, "type");
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if (indexType == LUA_TSTRING)
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{
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if (strcmp(lua_tostring(L, -1), type) == 0)
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{
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if(!leave) lua_pop(L, 1);
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return true;
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}
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else
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{
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if (!leave) lua_pop(L, 1);
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return false;
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}
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}
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else
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{
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lua_pop(L, 1);
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if (leave) lua_pushstring(L, lua_typename(L, indexType));
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return false;
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}
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}
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void check(lua_State* L, const vector<int>& typearr, const vector<const char*>& userdata_type=vector<const char*>())
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{
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int sz = typearr.size();
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int nextIndex = 0;
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int maxIndex = userdata_type.size();
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for (int i = 0; i < sz; i++)
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{
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if (lua_type(L, i + 1) != typearr[i])
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int thisType = lua_type(L, i + 1);
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if (thisType != typearr[i])
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{
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luaL_error(L, "Bad argument #%d. %s expected, got %s", i + 1, lua_typename(L, typearr[i]), lua_typename(L, lua_type(L, i + 1)));
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}
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if (maxIndex && thisType == LUA_TUSERDATA)
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{
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if (nextIndex < maxIndex)
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{
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if (!LuaCompareType(L, i + 1, userdata_type[nextIndex], true))
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{
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luaL_error(L, "Bad argument #%d. %s expected, got %s", i + 1, userdata_type[nextIndex], lua_tostring(L, -1));
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}
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nextIndex++;
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}
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else
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{
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luaL_error(L, "Not enough userdata type string.");
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}
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}
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}
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}
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void ConvertMusicAsyncImpl(const string& filename, const string& targetname, int ticket)
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{
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string command = "bin\\ffmpeg.exe -y -loglevel error -hide_banner -i \""s + filename + "\" " + targetname;
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string command = "bin\\ffmpeg.exe -y -loglevel error -hide_banner -i \""s + filename + "\" \"" + targetname + "\"";
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cout << command << endl;
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system(command.c_str());
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SDL_Event e;
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e.type = SDL_USEREVENT;
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@ -252,6 +295,28 @@ struct Window
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}
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}
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break;
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case 1003:
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{
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// 稜있꺄렴供귄
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if (lua_getfield(L, -1, "onmusicover") != LUA_TNIL)
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{
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lua_call(L, 0, LUA_MULTRET);
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}
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else lua_pop(L, 1);
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break;
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}
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case 1004:
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{
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// 틉돛꺄렴供귄
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if (lua_getfield(L, -1, "onchannelover") != LUA_TNIL)
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{
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lua_pushinteger(L, *(int*)e.user.data1);
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delete e.user.data1;
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lua_call(L, 1, LUA_MULTRET);
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}
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else lua_pop(L, 1);
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break;
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}
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}
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default:
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{
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@ -824,6 +889,14 @@ struct Chunk
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return 0;
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}
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static int setVolume(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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Chunk* c = (Chunk*)lua_touserdata(L, 1);
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Mix_VolumeChunk(c->chunk, lua_tointeger(L, 2));
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return 0;
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}
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static int create(lua_State* L)
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{
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check(L, { LUA_TSTRING });
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@ -843,6 +916,7 @@ struct Chunk
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lua_newtable(L);
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lua_pushstring(L, "chunk"); lua_setfield(L, -2, "type");
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setfn(L, close, "close");
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setfn(L, setVolume, "setVolumne");
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// Set __index of metatable.
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lua_setfield(L, -2, "__index");
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@ -853,6 +927,7 @@ struct Chunk
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lua_setmetatable(L, -2);
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const char* filename = lua_tostring(L, 1);
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cout << "LoadWAV: " << filename << endl;
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c->chunk = Mix_LoadWAV(filename);
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cout << "Load chunk error: " << SDL_GetError() << endl;
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@ -924,7 +999,7 @@ struct MusicPlayer
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return 0;
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}
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static int play(lua_State* L)
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static int playMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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@ -933,7 +1008,7 @@ struct MusicPlayer
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return 0;
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}
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static int resume(lua_State* L)
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static int resumeMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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@ -941,7 +1016,15 @@ struct MusicPlayer
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return 0;
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}
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static int pause(lua_State* L)
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static int stopMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_HaltMusic();
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return 0;
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}
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static int pauseMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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@ -949,7 +1032,15 @@ struct MusicPlayer
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return 0;
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}
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static int fadeIn(lua_State* L)
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static int rewindMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_RewindMusic();
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return 0;
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}
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static int fadeInMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TUSERDATA , LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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@ -958,7 +1049,16 @@ struct MusicPlayer
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return 0;
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}
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static int fadeOut(lua_State* L)
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static int fadeInMusicPos(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TUSERDATA , LUA_TNUMBER, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Music* m = (Music*)lua_touserdata(L, 2);
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cout << "Fade in music ret: " << Mix_FadeInMusicPos(m->music, 1, lua_tointeger(L, 3), lua_tonumber(L, 4)) << " " << SDL_GetError() << endl;
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return 0;
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}
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static int fadeOutMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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@ -966,6 +1066,58 @@ struct MusicPlayer
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return 0;
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}
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static int setMusicVolume(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_VolumeMusic(lua_tointeger(L, 2));
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return 0;
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}
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static int setMusicPos(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_SetMusicPosition(lua_tonumber(L, 2));
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return 0;
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}
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static int isPlayingMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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lua_pushboolean(L, Mix_PlayingMusic());
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return 1;
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}
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static int isPausedMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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lua_pushboolean(L, Mix_PausedMusic());
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return 1;
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}
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static int isFadingMusic(lua_State* L)
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{
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check(L, { LUA_TUSERDATA });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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int ret = 0;
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switch (Mix_FadingMusic())
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{
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case MIX_NO_FADING:
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ret = 0;
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break;
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case MIX_FADING_OUT:
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ret = -1;
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break;
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case MIX_FADING_IN:
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return 1;
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}
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lua_pushinteger(L, ret);
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return 1;
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}
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static int playChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER});
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@ -975,6 +1127,123 @@ struct MusicPlayer
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return 0;
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}
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static int fadeInChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Chunk* c = (Chunk*)lua_touserdata(L, 2);
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Mix_FadeInChannel(lua_tointeger(L, 3), c->chunk, lua_tointeger(L, 4), lua_tointeger(L, 5));
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return 0;
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}
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static int fadeOutChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_FadeOutChannel(lua_tointeger(L, 2), lua_tointeger(L, 3));
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return 0;
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}
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static int stopChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_HaltChannel(lua_tointeger(L, 2));
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return 0;
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}
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static int resumeChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_Resume(lua_tointeger(L, 2));
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return 0;
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}
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static int pauseChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_Pause(lua_tointeger(L, 2));
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return 0;
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}
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static int isPlayingChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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lua_pushinteger(L, Mix_Playing(lua_tointeger(L, 2)));
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return 1;
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}
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static int isPausedChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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lua_pushinteger(L, Mix_Paused(lua_tointeger(L, 2)));
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return 1;
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}
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static int isFadingChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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int ret = 0;
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switch (Mix_FadingChannel(lua_tointeger(L, 2)))
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{
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case MIX_NO_FADING:
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ret = 0;
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break;
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case MIX_FADING_OUT:
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ret = -1;
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break;
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case MIX_FADING_IN:
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return 1;
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}
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lua_pushinteger(L, ret);
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return 1;
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}
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static int setChannelVolume(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_Volume(lua_tointeger(L, 2), lua_tointeger(L, 3));
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return 0;
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}
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static int setChannelDistance(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_SetDistance(lua_tointeger(L, 2), lua_tointeger(L, 3));
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return 0;
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}
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static int setChannelPosition(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_SetPosition(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4));
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return 0;
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}
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static int setChannelPanning(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER, LUA_TNUMBER, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_SetPanning(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4));
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return 0;
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}
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static int setTotalChannel(lua_State* L)
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{
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check(L, { LUA_TUSERDATA, LUA_TNUMBER });
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MusicPlayer* p = (MusicPlayer*)lua_touserdata(L, 1);
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Mix_AllocateChannels(lua_tointeger(L, 2));
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return 0;
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}
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static int create(lua_State* L)
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{
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cout << "In MusicPlayer::create" << endl;
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@ -993,12 +1262,38 @@ struct MusicPlayer
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lua_newtable(L);
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lua_pushstring(L, "musicplayer"); lua_setfield(L, -2, "type");
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setfn(L, close, "close");
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setfn(L, play, "play");
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setfn(L, pause, "pause");
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setfn(L, resume, "resume");
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setfn(L, fadeIn, "fadeIn");
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setfn(L, fadeOut, "fadeOut");
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setfn(L, playMusic, "playMusic");
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setfn(L, resumeMusic, "resumeMusic");
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setfn(L, pauseMusic, "pauseMusic");
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setfn(L, stopMusic, "stopMusic");
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setfn(L, rewindMusic, "rewindMusic");
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setfn(L, fadeInMusic, "fadeInMusic");
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setfn(L, fadeOutMusic, "fadeOutMusic");
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setfn(L, fadeInMusicPos, "fadeInMusicPos");
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setfn(L, setMusicVolume, "setMusicVolume");
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setfn(L, setMusicPos, "setMusicPos");
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setfn(L, isPlayingMusic, "isPlayingMusic");
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setfn(L, isPausedMusic, "isPausedMusic");
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setfn(L, isFadingMusic, "isFadingMusic");
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setfn(L, playChannel, "playChannel");
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setfn(L, resumeChannel, "resumeChannel");
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setfn(L, pauseChannel, "pauseChannel");
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setfn(L, stopChannel, "stopChannel");
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setfn(L, fadeInChannel, "fadeInChannel");
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setfn(L, fadeOutChannel, "fadeOutChannel");
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setfn(L, setChannelVolume, "setChannelVolume");
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setfn(L, setChannelDistance, "setChannelDistance");
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setfn(L, setChannelPosition, "setChannelPosition");
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setfn(L, setChannelPanning, "setChannelPanning");
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setfn(L, setTotalChannel, "setTotalChannel");
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setfn(L, isPlayingChannel, "isPlayingChannel");
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setfn(L, isPausedChannel, "isPausedChannel");
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setfn(L, isFadingChannel, "isFadingChannel");
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// Set __index of metatable.
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lua_setfield(L, -2, "__index");
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@ -1053,6 +1348,23 @@ void check_init(lua_State* L, const char* name, int ret, int expected = 0)
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}
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}
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void _Global_On_Music_Finished()
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{
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SDL_Event e;
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e.type = SDL_USEREVENT;
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e.user.code = 1003;
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SDL_PushEvent(&e);
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}
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void _Global_On_Channel_Finished(int channel)
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{
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SDL_Event e;
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e.type = SDL_USEREVENT;
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e.user.code = 1004;
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e.user.data1 = new int(channel);
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SDL_PushEvent(&e);
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}
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int InitEngine(lua_State* L)
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{
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int ret;
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@ -1068,6 +1380,8 @@ int InitEngine(lua_State* L)
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ret = Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 512);
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||||
check_init(L, "AUDIO", ret);
|
||||
Mix_AllocateChannels(16);
|
||||
Mix_HookMusicFinished(_Global_On_Music_Finished);
|
||||
Mix_ChannelFinished(_Global_On_Channel_Finished);
|
||||
|
||||
reg_in_lua(L, Window::create, "Window");
|
||||
reg_in_lua(L, Renderer::create, "Renderer");
|
||||
|
|
|
|||
|
|
@ -2,14 +2,35 @@ local wnd = Window("Hello", 1024, 768)
|
|||
local rnd = Renderer(wnd)
|
||||
local font = Font("asserts/msyh.ttf", 18)
|
||||
local musicPlayer = MusicPlayer()
|
||||
local music = Music("asserts/mp3/bgm1.mp3")
|
||||
|
||||
require("code/helper")
|
||||
|
||||
local all_bqb = fs.listdir("asserts/bqb_all")
|
||||
|
||||
for i, info in ipairs(all_bqb) do
|
||||
print (i, info.name, info.type, info.size)
|
||||
-- print (i, info.name, info.type, info.size)
|
||||
i = i
|
||||
end
|
||||
|
||||
local all_music = fs.listdir("asserts/mp3")
|
||||
table.remove(all_music, 1)
|
||||
table.remove(all_music, 1)
|
||||
|
||||
local music_table = {}
|
||||
local last_channel = 0
|
||||
local next_channel = 1
|
||||
local next_music = 1
|
||||
|
||||
for i, info in ipairs(all_music) do
|
||||
local filename = string.format("tmp\\tmp_%d.wav", i)
|
||||
ConvertMusic(string.format("asserts\\mp3\\%s",info.name), filename, function()
|
||||
print(filename, "convert finished.")
|
||||
wnd:setTimeout(function()
|
||||
print("Start loading: ", filename)
|
||||
local c = Chunk(filename)
|
||||
table.insert(music_table, c)
|
||||
end, 1000)
|
||||
end)
|
||||
end
|
||||
|
||||
local texture_track = {}
|
||||
|
|
@ -17,31 +38,7 @@ setmetatable(texture_track, {
|
|||
__mode = "k"
|
||||
})
|
||||
|
||||
wnd:setTimeout(function()
|
||||
print("Playing music")
|
||||
musicPlayer:play(music)
|
||||
print("Music started playing.")
|
||||
wnd:show()
|
||||
|
||||
local filename = string.format("tmp/tmp_%d.wav", math.random(50))
|
||||
ConvertMusic("asserts/mp3/bgm2.flac", filename, function()
|
||||
print("Convert finished.")
|
||||
wnd:setTimeout(function()
|
||||
print("Start fade out", os.time())
|
||||
musicPlayer:fadeOut(3000)
|
||||
print("Finished fade out", os.time())
|
||||
local c = Chunk(filename)
|
||||
musicPlayer:playChannel(c, -1, 1)
|
||||
end, 2000)
|
||||
end)
|
||||
|
||||
--[[
|
||||
for i=1, 10 do
|
||||
local filename = string.format("tmp/tmp_%d.wav", math.random(50))
|
||||
print ("ConvertTickets: ", ConvertMusic("asserts/mp3/bgm1.mp3", filename, function() print("Convert finished.", filename) end))
|
||||
end
|
||||
--]]
|
||||
end, 3000)
|
||||
wnd:show()
|
||||
|
||||
wnd:on('mousedown', function(x, y)
|
||||
print("Clicked", x, y)
|
||||
|
|
@ -73,6 +70,19 @@ wnd:on('keydown', function(key)
|
|||
end
|
||||
print ("Tracked texture: ", cnt)
|
||||
return
|
||||
elseif key == string.byte('p') then
|
||||
musicPlayer:fadeOutChannel(last_channel, 5000)
|
||||
if not music_table[next_music] then
|
||||
next_music = 1
|
||||
end
|
||||
print("Playing", next_music, next_channel)
|
||||
musicPlayer:fadeInChannel(music_table[next_music], next_channel, 1, 3000)
|
||||
next_music = next_music + 1
|
||||
last_channel = next_channel
|
||||
next_channel = next_channel + 1
|
||||
if next_channel >= 16 then
|
||||
next_channel = 0
|
||||
end
|
||||
end
|
||||
|
||||
print("Keydown", key)
|
||||
|
|
|
|||
Loading…
Reference in New Issue