kezz - adding preliminary sound code

This was SVN commit r336.

source/lib/res/sound.cpp

@@ -0,0 +1,73 @@
+/*
+* sound.cpp
+* Author:			Graeme Kerry - graeme@wildfiregames.com
+* Last Modified:	01/06/2004
+*
+* Contents:			implementation of sound fx resource functions
+*/
+
+#include <stdio.h>
+#include <fmod.h>
+
+#include "h_mgr.h"
+#include "sound.h"
+#include "lib.h"
+
+//define control block
+struct Sound
+{
+	FSOUND_SAMPLE* clip;
+	int channel;
+};
+//build its vtbl
+H_TYPE_DEFINE(Sound)
+
+static void Sound_init(Sound* s, va_list args)
+{
+	s->channel = -1;	
+}
+
+static int Sound_reload(Sound* s, const char* filename)
+{
+	//only load if clip is empty
+	if(s->clip == NULL)
+		s->clip = FSOUND_Sample_Load(FSOUND_FREE,filename,FSOUND_LOOP_OFF | FSOUND_STEREO,0,0);
+
+	//check if clip loaded successfully
+	if(s->clip != NULL)
+		return 0;
+	else 
+		return -1;
+}
+
+static void Sound_dtor(Sound* s)
+{
+	FSOUND_Sample_Free(s->clip);
+}
+
+Handle sound_load(const char* filename)
+{
+	return h_alloc(H_Sound,filename,0,0);
+}
+
+int sound_free(Handle& h)
+{
+	return h_free(h,H_Sound);
+}
+
+int sound_play(const Handle h)
+{
+	H_DEREF(h,Sound,s);
+
+	s->channel = FSOUND_PlaySound(FSOUND_FREE,s->clip);
+	return 0;
+}
+
+int sound_stop(const Handle h)
+{
+	H_DEREF(h,Sound,s);
+
+	if(s->channel != -1)
+		FSOUND_StopSound(s->channel);
+	return 0;
+}

source/lib/res/sound.h

@@ -0,0 +1,13 @@
+/* Sound FX 
+* Graeme Kerry - graeme@wildfiregames.com
+*/
+
+#ifndef __SOUND_H__
+#define __SOUND_H__
+
+#include "types.h"
+#include "h_mgr.h"
+
+extern Handle sound_load(const char* filename);
+
+#endif