*修改文件结构

1 files changed, 132 insertions, 0 deletions

diff --git a/src/libjin-lua/modules/audio/je_lua_audio.cpp b/src/libjin-lua/modules/audio/je_lua_audio.cpp
new file mode 100644
index 0000000..f5ef31f
--- /dev/null
+++ b/src/libjin-lua/modules/audio/je_lua_audio.cpp
@@ -0,0 +1,132 @@
+#include "common/je_lua.h"
+#include "common/je_lua_common.h"
+#include "libjin/jin.h"
+#include "je_lua_source.h"
+
+using namespace JinEngine::Audio;
+using namespace JinEngine::Audio::SDL;
+using namespace JinEngine::Filesystem;
+
+namespace JinEngine
+{
+    namespace Lua
+    {   
+
+        typedef SDLAudio Audio;
+        typedef SDLSource Source;
+
+        struct
+        {
+            bool initialized = false;
+        } context;
+
+        LUA_IMPLEMENT int l_init(lua_State* L) 
+        {
+            if (context.initialized)
+            {
+                // Already initialized.
+                luax_pushboolean(L, true);
+                return 1;
+            }
+            Audio::Setting setting;
+            setting.samplerate = 44100;
+            setting.samples = 44100;
+            Audio* audio = Audio::get();
+            context.initialized = audio->start(&setting);
+            if (!context.initialized)
+            {
+                luax_error(L, "could not init audio");
+                luax_pushboolean(L, false);
+                return 1;
+            }
+            luax_pushboolean(L, true); 
+            return 1;
+        }
+
+        LUA_IMPLEMENT int l_play(lua_State* L)
+        {
+            Audio::get()->play();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_stop(lua_State* L)
+        {
+            Audio::get()->stop();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_pause(lua_State* L)
+        {
+            Audio::get()->pause();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_resume(lua_State* L)
+        {
+            Audio::get()->resume();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_setVolume(lua_State* L)
+        {
+            float volume = luax_checknumber(L, 1);
+            Audio::get()->setVolume(volume);
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_newSource(lua_State* L)
+        {
+            AssetDatabase* fs = AssetDatabase::get();
+            const char* f = luax_checkstring(L, 1);
+            Buffer b;
+            try
+            {
+                if (!fs->exists(f))
+                    throw Exception("No such source file %s.", f);
+                fs->read(f, b);
+            }
+            catch (Exception& e)
+            {
+                error(L, "Failed to read source file %s", f);
+                luax_pushnil(L);
+                return 1;
+            }
+            Source* src = new SDLSource((void*)&b, b.size());
+            if (src == nullptr)
+            {
+                error(L, "Failed to decode source file %s", f);
+                luax_pushnil(L);
+                return 1;
+            }
+            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Source, new Shared(src));
+            return 1;
+        }
+    
+        LUA_IMPLEMENT int l_destroy(lua_State* L)
+        {
+            Audio* audio = Audio::get();
+            audio->quit();
+            return 0;
+        }
+
+        LUA_EXPORT int luaopen_audio(lua_State* L)
+        {
+            luaopen_Source(L);
+
+            luaL_Reg methods[] = {
+                { "init",      l_init      },
+                { "play",      l_play      },
+                { "stop",      l_stop      },
+                { "pause",     l_pause     },
+                { "resume",    l_resume    },
+                { "setVolume", l_setVolume },
+                { "newSource", l_newSource },
+                { "destroy",   l_destroy   },
+                { 0,           0           }
+            };
+            luax_newlib(L, methods);
+            return 1; 
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
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