Move procedurally generated surfaces to cgame

Sprites are currently still generated in renderers.
Beam doesn't work quite the same (need a custom shader), but nothing uses it.

Makefile

@@ -2295,6 +2295,7 @@ Q3CGOBJ = \
   $(B)/$(BASEGAME)/cgame/cg_servercmds.o \
   $(B)/$(BASEGAME)/cgame/cg_snapshot.o \
   $(B)/$(BASEGAME)/cgame/cg_spawn.o \
+  $(B)/$(BASEGAME)/cgame/cg_surface.o \
   $(B)/$(BASEGAME)/cgame/cg_syscalls.o \
   $(B)/$(BASEGAME)/cgame/cg_view.o \
   $(B)/$(BASEGAME)/cgame/cg_weapons.o \
@@ -2388,6 +2389,7 @@ MPCGOBJ = \
   $(B)/$(MISSIONPACK)/cgame/cg_servercmds.o \
   $(B)/$(MISSIONPACK)/cgame/cg_snapshot.o \
   $(B)/$(MISSIONPACK)/cgame/cg_spawn.o \
+  $(B)/$(MISSIONPACK)/cgame/cg_surface.o \
   $(B)/$(MISSIONPACK)/cgame/cg_syscalls.o \
   $(B)/$(MISSIONPACK)/cgame/cg_view.o \
   $(B)/$(MISSIONPACK)/cgame/cg_weapons.o \

code/cgame/cg_local.h

@@ -1663,6 +1663,16 @@ void CG_RestoreSnapshot( void );
 playerState_t *CG_LocalClientPlayerStateForClientNum( int clientNum );
 
 
+//
+// cg_surface.c
+//
+qboolean CG_AddCustomSurface( const refEntity_t *re );
+void CG_SurfaceSprite( const refEntity_t *re );
+void CG_SurfaceRailRings( const refEntity_t *re );
+void CG_SurfaceRailCore( const refEntity_t *re );
+void CG_SurfaceLightningBolt( const refEntity_t *re );
+void CG_SurfaceBeam( const refEntity_t *re );
+
 //
 // cg_spawn.c
 //

code/cgame/cg_public.h

@@ -36,7 +36,7 @@ Suite 120, Rockville, Maryland 20850 USA.
 // major 0 means each minor is an API break.
 // major > 0 means each major is an API break and each minor extends API.
 #define CG_API_MAJOR_VERSION	0
-#define CG_API_MINOR_VERSION	3
+#define CG_API_MINOR_VERSION	4
 
 
 #define	CMD_BACKUP			64	
@@ -271,6 +271,7 @@ typedef enum {
 	CG_R_ADDPOLYBUFFERTOSCENE,
 	CG_R_ALLOCSKINSURFACE,
 	CG_R_ADDSKINTOFRAME,
+	CG_R_ADDPOLYREFENTITYTOSCENE,
 
 	// note: these were not originally available in ui
 	CG_R_LOADWORLDMAP = 350,