Modular rendering system. Patch by use.less01

This might break MSVC builds. I'll take care of it later

code/renderer/tr_public.h

@@ -131,8 +131,11 @@ typedef struct {
 
 	cvar_t	*(*Cvar_Get)( const char *name, const char *value, int flags );
 	void	(*Cvar_Set)( const char *name, const char *value );
+	void	(*Cvar_SetValue) (const char *name, float value);
 	void	(*Cvar_CheckRange)( cvar_t *cv, float minVal, float maxVal, qboolean shouldBeIntegral );
 
+	int		(*Cvar_VariableIntegerValue) (const char *var_name);
+
 	void	(*Cmd_AddCommand)( const char *name, void(*cmd)(void) );
 	void	(*Cmd_RemoveCommand)( const char *name );
 
@@ -141,6 +144,8 @@ typedef struct {
 
 	void	(*Cmd_ExecuteText) (int exec_when, const char *text);
 
+	byte	*(*CM_ClusterPVS)(int cluster);
+
 	// visualization for debugging collision detection
 	void	(*CM_DrawDebugSurface)( void (*drawPoly)(int color, int numPoints, float *points) );
 
@@ -160,12 +165,30 @@ typedef struct {
 	e_status (*CIN_RunCinematic) (int handle);
 
 	void	(*CL_WriteAVIVideoFrame)( const byte *buffer, int size );
+
+	// input event handling
+	void	(*IN_Init)( void );
+	void	(*IN_Shutdown)( void );
+	void	(*IN_Restart)( void );
+
+	// math
+	long    (*ftol)(float f);
+
+	// system stuff
+	void	(*Sys_SetEnv)( const char *name, const char *value );
+	void	(*Sys_GLimpSafeInit)( void );
+	void	(*Sys_GLimpInit)( void );
+	qboolean (*Sys_LowPhysicalMemory)( void );
 } refimport_t;
 
 
 // this is the only function actually exported at the linker level
 // If the module can't init to a valid rendering state, NULL will be
 // returned.
+#ifdef USE_RENDERER_DLOPEN
+typedef	refexport_t* (QDECL *GetRefAPI_t) (int apiVersion, refimport_t * rimp);
+#else
 refexport_t*GetRefAPI( int apiVersion, refimport_t *rimp );
+#endif
 
 #endif	// __TR_PUBLIC_H