4 files changed, 19 insertions, 5 deletions
diff --git a/smelt/sdl/gfx_sdl.cpp b/smelt/sdl/gfx_sdl.cpp
index 4ad7404..3fd3b46 100644
--- a/smelt/sdl/gfx_sdl.cpp
+++ b/smelt/sdl/gfx_sdl.cpp
@@ -2,7 +2,6 @@
 /*
  * Simple MultimEdia LiTerator(SMELT)
  * by Chris Xiong 2015
- * api level 1
  * GFX implementation based on SDL2/OpenGL and hge-unix
  *
  * WARNING: This library is in development and interfaces would be very
@@ -116,6 +115,11 @@ void SMELT_IMPL::sm3DCamera6f2v(float *pos,float *rot)
 	pOpenGLDevice->glRotatef((GLfloat)-rot[2],0,0,1);
 	pOpenGLDevice->glTranslatef((GLfloat)-pos[0],(GLfloat)-pos[1],(GLfloat)-pos[2]);
 }
+void SMELT_IMPL::smMultViewMatrix(float *mat)
+{
+	pOpenGLDevice->glMatrixMode(GL_MODELVIEW);
+	pOpenGLDevice->glMultMatrixf(mat);
+}
 void SMELT_IMPL::sm2DCamera5f3v(float *pos,float *dpos,float *rot)
 {
 	batchOGL();
diff --git a/smelt/sdl/sfx_sdl.cpp b/smelt/sdl/sfx_sdl.cpp
index afc8f68..10a207c 100644
--- a/smelt/sdl/sfx_sdl.cpp
+++ b/smelt/sdl/sfx_sdl.cpp
@@ -2,7 +2,6 @@
 /*
  * Simple MultimEdia LiTerator(SMELT)
  * by Chris Xiong 2015
- * api level 1
  * GFX implementation based on OpenAL
  *
  * WARNING: This library is in development and interfaces would be very
@@ -90,6 +89,14 @@ DWORD SMELT_IMPL::smSFXGetLengthd(SMSFX fx)
 	}
 	return -1;
 }
+void SMELT_IMPL::smSFXSetLoopPoint(SMSFX fx,DWORD l,DWORD r)
+{
+	if(pOpenALDevice)
+	{
+		ALint pt[2];pt[0]=l;pt[1]=r;
+		alBufferiv((ALuint)fx,AL_LOOP_POINTS_SOFT,pt);
+	}
+}
 void SMELT_IMPL::smSFXFree(SMSFX fx)
 {
 	if(pOpenALDevice)
@@ -299,6 +306,9 @@ bool SMELT_IMPL::initOAL()
 	smLog("%s:"SLINE": AL_VENDOR: %s\n",SFX_SDL_SRCFN,(char*)alGetString(AL_VENDOR));
 	smLog("%s:"SLINE": AL_RENDERER: %s\n",SFX_SDL_SRCFN,(char*)alGetString(AL_RENDERER));
 	smLog("%s:"SLINE": AL_VERSION: %s\n",SFX_SDL_SRCFN,(char*)alGetString(AL_VERSION));
+	const char* ext=(const char*)alGetString(AL_EXTENSIONS);
+	lpp=strstr(ext,"AL_SOFT_loop_points")!=NULL;
+	if(!lpp)smLog("%s:"SLINE": Warning: loop points not supported. Please recompile with OpenAL Soft.\n",SFX_SDL_SRCFN);
 	pOpenALDevice=(void*)dev;
 	return true;
 }
diff --git a/smelt/sdl/smelt_internal.hpp b/smelt/sdl/smelt_internal.hpp
index a84050f..8b36ebf 100644
--- a/smelt/sdl/smelt_internal.hpp
+++ b/smelt/sdl/smelt_internal.hpp
@@ -2,7 +2,6 @@
 /*
  * Simple MultimEdia LiTerator(SMELT)
  * by Chris Xiong 2015
- * api level 1
  * Internal header for SDL version
  *
  * WARNING: This library is in development and interfaces would be very
@@ -113,6 +112,7 @@ public:
 	virtual SMCHN smSFXPlay(SMSFX fx,int vol=100,int pan=0,float pitch=1.,bool loop=0);
 	virtual float smSFXGetLengthf(SMSFX fx);
 	virtual DWORD smSFXGetLengthd(SMSFX fx);
+	virtual void smSFXSetLoopPoint(SMSFX fx,DWORD l,DWORD r);
 	virtual void smSFXFree(SMSFX fx);
 
 	virtual void smChannelVol(SMCHN chn,int vol);
@@ -142,6 +142,7 @@ public:
 	virtual bool smRenderEnd();
 	virtual void sm3DCamera6f2v(float *pos,float *rot);
 	virtual void sm2DCamera5f3v(float *pos,float *dpos,float *rot);
+	virtual void smMultViewMatrix(float *mat);
 	virtual void smClrscr(DWORD color);
 	virtual void smRenderLinefd(float x1,float y1,float z1,float x2,float y2,float z2,DWORD color);
 	virtual void smRenderLinefvd(float *p1,float *p2,DWORD color);
@@ -217,7 +218,7 @@ public:
 	void *pOpenALDevice;
 	bool initOAL();
 	void finiOAL();
-	bool mute;
+	bool mute,lpp;
 	int scnt;
 	ALuint src[SRC_MAX];
 	ALuint getSource();
diff --git a/smelt/sdl/sys_sdl.cpp b/smelt/sdl/sys_sdl.cpp
index f489c9d..1892069 100644
--- a/smelt/sdl/sys_sdl.cpp
+++ b/smelt/sdl/sys_sdl.cpp
@@ -2,7 +2,6 @@
 /*
  * Simple MultimEdia LiTerator(SMELT)
  * by Chris Xiong 2015
- * api level 1
  * SMELT system implementation
  *
  * WARNING: This library is in development and interfaces would be very