added AV::Sound::pause(), added Lua interface for sounds (play/pause/stop/loop/loopForever)

git-svn-id: svn://anubis/anaglym/trunk@290 99a6e188-d820-4881-8870-2d33a10e2619

AV.cc

@@ -4,7 +4,7 @@
 #include <SDL.h>
 #include <SDL_sound.h>
 #include <math.h>
-#include <limits.h>
+#include <limits.h>                 /* INT_MAX */
 
 #include <iostream>
 
@@ -224,10 +224,19 @@ void AV::Sound::play()
     loop(1);
 }
 
+void AV::Sound::pause()
+{
+    if (m_ss != NULL)
+    {
+        m_av.stopSound(this);
+    }
+}
+
 void AV::Sound::stop()
 {
     if (m_ss != NULL)
     {
+        rewind();
         m_av.stopSound(this);
     }
 }
@@ -236,7 +245,6 @@ void AV::Sound::loop(int times)
 {
     if (m_ss != NULL)
     {
-        rewind();
         m_loop_count = times;
         m_av.playSound(this);
     }

AV.h

@@ -21,6 +21,7 @@ class AV
                 bool load(FileLoader & fileLoader,
                         const FileLoader::Path & path);
                 void play();
+                void pause();
                 void stop();
                 void loop(int times);
                 void rewind();

Engine.cc

@@ -414,6 +414,11 @@ Engine::Object * Engine::getObject(int id)
     return m_objects.contains(id) ? m_objects[id] : NULL;
 }
 
+refptr<AV::Sound> Engine::getSound(int id)
+{
+    return m_sounds.contains(id) ? m_sounds[id] : NULL;
+}
+
 void Engine::startFrame()
 {
     checkGLError();
@@ -570,9 +575,7 @@ int Engine::loadSound(const string & name)
 
         if (avs->load(*m_fileLoader, path))
         {
-            int id = addSound(avs);
-            avs->play();
-            return id;
+            return addSound(avs);
         }
         else
         {

Engine.h

@@ -166,6 +166,7 @@ class Engine
         void removeObject(int id);
         int cloneObject(const Object * obj);
         Object * getObject(int id);
+        refptr<AV::Sound> getSound(int id);
         void doPhysics();
         void drawObjects();
         void setAutoPhysics(bool val) { m_autoPhysics = val; }

ag.cc

@@ -1,19 +1,24 @@
 
-#include "ag.h"
-#include "ag_lua.h"
-#include "anaglym.h"
-#include "Engine.h"
 #include <SDL.h>
-#include "wfobj/WFObj.h"
 #include <unistd.h>                 /* usleep() */
-#include <lua.hpp>
-#include <iostream>
-#include <string>
 #include <GL/gl.h>
 #include <GL/glu.h>
 #ifdef _WIN32
 #include <windows.h>                /* Sleep() */
 #endif
+#include <limits.h>                 /* INT_MAX */
+
+#include <lua.hpp>
+#include <iostream>
+#include <string>
+
+#include "ag.h"
+#include "ag_lua.h"
+#include "anaglym.h"
+#include "Engine.h"
+#include "wfobj/WFObj.h"
+#include "AV.h"
+
 using namespace std;
 
 namespace ag
@@ -312,10 +317,16 @@ namespace ag
         lua_newtable(L);
         lua_pushinteger(L, id);
         lua_setfield(L, -2, "id");
-#if 0
         lua_pushcfunction(L, sound::play);
         lua_setfield(L, -2, "play");
-#endif
+        lua_pushcfunction(L, sound::pause);
+        lua_setfield(L, -2, "pause");
+        lua_pushcfunction(L, sound::stop);
+        lua_setfield(L, -2, "stop");
+        lua_pushcfunction(L, sound::loop);
+        lua_setfield(L, -2, "loop");
+        lua_pushcfunction(L, sound::loopForever);
+        lua_setfield(L, -2, "loopForever");
     }
 
     static void createLuaAMotor(lua_State * L, int id)
@@ -1602,4 +1613,93 @@ namespace ag
             return 0;
         }
     }
+
+    namespace sound
+    {
+        refptr<AV::Sound> getSound(lua_State * L, int index)
+        {
+            refptr<AV::Sound> ret;
+
+            lua_getfield(L, index, "id");
+            if (lua_isnumber(L, -1))
+            {
+                int id = lua_tointeger(L, -1);
+                ret = g_engine->getSound(id);
+            }
+            lua_pop(L, 1);
+
+            return ret;
+        }
+
+        int play(lua_State * L)
+        {
+            int argc = lua_gettop(L);
+            if (argc == 1 && lua_istable(L, 1))
+            {
+                refptr<AV::Sound> snd = getSound(L, 1);
+                if (!snd.isNull())
+                {
+                    snd->play();
+                }
+            }
+            return 0;
+        }
+
+        int pause(lua_State * L)
+        {
+            int argc = lua_gettop(L);
+            if (argc == 1 && lua_istable(L, 1))
+            {
+                refptr<AV::Sound> snd = getSound(L, 1);
+                if (!snd.isNull())
+                {
+                    snd->pause();
+                }
+            }
+            return 0;
+        }
+
+        int stop(lua_State * L)
+        {
+            int argc = lua_gettop(L);
+            if (argc == 1 && lua_istable(L, 1))
+            {
+                refptr<AV::Sound> snd = getSound(L, 1);
+                if (!snd.isNull())
+                {
+                    snd->stop();
+                }
+            }
+            return 0;
+        }
+
+        int loop(lua_State * L)
+        {
+            int argc = lua_gettop(L);
+            if (argc == 2 && lua_istable(L, 1) && lua_isnumber(L, 2))
+            {
+                refptr<AV::Sound> snd = getSound(L, 1);
+                if (!snd.isNull())
+                {
+                    int count = lua_tointeger(L, 2);
+                    snd->loop(count);
+                }
+            }
+            return 0;
+        }
+
+        int loopForever(lua_State * L)
+        {
+            int argc = lua_gettop(L);
+            if (argc == 1 && lua_istable(L, 1))
+            {
+                refptr<AV::Sound> snd = getSound(L, 1);
+                if (!snd.isNull())
+                {
+                    snd->loop(INT_MAX);
+                }
+            }
+            return 0;
+        }
+    }
 }

ag.h

@@ -3,7 +3,9 @@
 #define AG_H
 
 #include <lua.hpp>
+
 #include "Engine.h"
+#include "AV.h"
 
 namespace ag
 {
@@ -103,6 +105,16 @@ namespace ag
         int setAMotorFMax(lua_State * L);
         int setAMotorBounce(lua_State * L);
     }
+
+    namespace sound
+    {
+        refptr<AV::Sound> getSound(lua_State * L, int index);
+        int play(lua_State * L);
+        int pause(lua_State * L);
+        int stop(lua_State * L);
+        int loop(lua_State * L);
+        int loopForever(lua_State * L);
+    }
 }
 
 #endif

tests/cratestack.lua

@@ -21,6 +21,8 @@ function init_event()
     ground = ag.loadModel("crate", {static = true, scale = 10})
     ground:setPosition(0, 0, -10)
     ag.setCamera(2, -12, 8, 0, 0, 2, 0, 0, 1)
+
+    iris = ag.loadSound("iris.mp3")
 end
 
 function key_down_event(key)
@@ -38,8 +40,14 @@ function key_down_event(key)
         ag.registerEventHandler(mouse_moves, "mouse_motion")
     elseif (key == "n") then
         ag.clearEventHandler("mouse_motion")
-    elseif (key == "s") then
-        ag.loadSound("iris.mp3")
+    elseif (key == "p") then
+        if (playing) then
+            iris:pause()
+            playing = false
+        else
+            iris:play()
+            playing = true
+        end
     end
 end