4 files changed, 278 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
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/audio/je_lua_audio.h b/src/libjin-lua/modules/audio/je_lua_audio.h
new file mode 100644
index 0000000..6b4669a
--- /dev/null
+++ b/src/libjin-lua/modules/audio/je_lua_audio.h
@@ -0,0 +1,16 @@
+#ifndef __JE_LUA_AUDIO_H__
+#define __JE_LUA_AUDIO_H__
+
+#include "je_lua_audio.h"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        int luaopen_audio(lua_State* L);
+
+    }
+}
+
+#endif
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/audio/je_lua_source.cpp b/src/libjin-lua/modules/audio/je_lua_source.cpp
new file mode 100644
index 0000000..8c9e247
--- /dev/null
+++ b/src/libjin-lua/modules/audio/je_lua_source.cpp
@@ -0,0 +1,114 @@
+#include "libjin/jin.h"
+#include "common/je_lua.h"
+#include "common/je_lua_common.h"
+
+using namespace JinEngine::Audio;
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        const char* Jin_Lua_Source = "Source";
+        
+        LUA_IMPLEMENT inline Source* checkSource(lua_State* L)
+        {
+            LuaObject* luaObj = luax_checkobject(L, 1, Jin_Lua_Source);
+            Source* source = luaObj->getObject<Source>();
+            return source;
+        }
+
+        LUA_IMPLEMENT int l_play(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            source->play();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_stop(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            source->stop();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_pause(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            source->pause();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_rewind(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            source->rewind();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_resume(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            source->resume();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_isStop(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            bool isStop = source->isStopped();
+            luax_pushboolean(L, isStop);
+            return 1;
+        }
+
+        LUA_IMPLEMENT int l_isPaused(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            bool isPaused = source->isPaused();
+            luax_pushboolean(L, isPaused);
+            return 1;
+        }
+
+        LUA_IMPLEMENT int l_setVolume(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            float volume = luax_checknumber(L, 2);
+            source->setVolume(volume);
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_setLoop(lua_State* L)
+        {
+            Source* source = checkSource(L);
+            bool loop = luax_checkbool(L, 2);
+            source->setLoop(loop);
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_gc(lua_State* L)
+        {
+            LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Source);
+            luaObj->release();
+            return 0;
+        }
+    
+        LUA_EXPORT void luaopen_Source(lua_State* L)
+        {
+            luaL_Reg methods[] = {
+                { "__gc",      l_gc        },
+                { "play",      l_play      },
+                { "stop",      l_stop      },
+                { "pause",     l_pause     },
+                { "resume",    l_resume    },
+                { "rewind",    l_rewind    },
+                { "isStop",    l_isStop    },
+                { "isPaused",  l_isPaused  },
+                { "setVolume", l_setVolume },
+                { "setLoop",   l_setLoop   },
+                { 0,           0           }
+            };
+            luax_newtype(L, Jin_Lua_Source, methods);
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/audio/je_lua_source.h b/src/libjin-lua/modules/audio/je_lua_source.h
new file mode 100644
index 0000000..f7e6b48
--- /dev/null
+++ b/src/libjin-lua/modules/audio/je_lua_source.h
@@ -0,0 +1,16 @@
+#ifndef __JE_LUA_SOURCE_H__
+#define __JE_LUA_SOURCE_H__
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        extern const char* Jin_Lua_Source;
+
+        void luaopen_Source(lua_State* L);
+
+    }
+}
+
+#endif
+\ No newline at end of file