ref: gl: acquire engine pointers

ref/gl/gl_context.c

@@ -24,6 +24,8 @@ GNU General Public License for more details.
 
 ref_api_t      gEngfuncs;
 ref_globals_t *gpGlobals;
+ref_client_t  *gp_cl;
+ref_host_t    *gp_host;
 
 static void R_ClearScreen( void )
 {
@@ -518,5 +520,8 @@ int EXPORT GetRefAPI( int version, ref_interface_t *funcs, ref_api_t *engfuncs,
 	memcpy( &gEngfuncs, engfuncs, sizeof( ref_api_t ));
 	gpGlobals = globals;
 
+	gp_cl = (ref_client_t *)ENGINE_GET_PARM( PARM_GET_CLIENT_PTR );
+	gp_host = (ref_host_t *)ENGINE_GET_PARM( PARM_GET_HOST_PTR );
+
 	return REF_API_VERSION;
 }

ref/gl/gl_local.h

@@ -258,7 +258,6 @@ typedef struct
 	struct world_static_s *world;
 	cl_entity_t *entities;
 	movevars_t *movevars;
-	model_t **models;
 	color24 *palette;
 	cl_entity_t *viewent;
 
@@ -725,6 +724,8 @@ extern glstate_t		glState;
 extern glwstate_t		glw_state;
 extern ref_api_t      gEngfuncs;
 extern ref_globals_t *gpGlobals;
+extern ref_client_t  *gp_cl;
+extern ref_host_t    *gp_host;
 
 #define ENGINE_GET_PARM_ (*gEngfuncs.EngineGetParm)
 #define ENGINE_GET_PARM( parm ) ENGINE_GET_PARM_( ( parm ), 0 )
@@ -739,10 +740,10 @@ static inline cl_entity_t *CL_GetEntityByIndex( int index )
 
 static inline model_t *CL_ModelHandle( int index )
 {
-	return tr.models[index];
+	return gp_cl->models[index];
 }
 
-#define WORLDMODEL (tr.models[1])
+#define WORLDMODEL (gp_cl->models[1])
 
 //
 // renderer cvars

ref/gl/gl_opengl.c

@@ -1287,11 +1287,10 @@ qboolean R_Init( void )
 	}
 
 	// see R_ProcessEntData for tr.entities initialization
-	tr.world = gEngfuncs.GetWorld();
-	tr.models = gEngfuncs.pfnGetModels();
-	tr.movevars = gEngfuncs.pfnGetMoveVars();
-	tr.palette = gEngfuncs.CL_GetPaletteColor();
-	tr.viewent = gEngfuncs.GetViewModel();
+	tr.world = (struct world_static_s *)ENGINE_GET_PARM( PARM_GET_WORLD_PTR );
+	tr.movevars = (movevars_t *)ENGINE_GET_PARM( PARM_GET_MOVEVARS_PTR );
+	tr.palette = (color24 *)ENGINE_GET_PARM( PARM_GET_PALETTE_PTR );
+	tr.viewent = (cl_entity_t *)ENGINE_GET_PARM( PARM_GET_VIEWENT_PTR );
 
 	GL_SetDefaults();
 	R_CheckVBO();