tree now builds again. Note: this includes some of my sky work, but so long as

gl_sky_clip is not set, it's not working won't affect you :)

source/gl_rmain.c

@@ -118,6 +118,7 @@ cvar_t	*gl_particles;
 
 cvar_t	*r_skyname;
 cvar_t	*gl_skymultipass;
+cvar_t	*gl_sky_clip;
 
 cvar_t *gl_fb_models;
 cvar_t *gl_fb_bmodels;

source/gl_rmisc.c

@@ -247,8 +247,9 @@ void R_Init_Cvars (void)
 	r_skyname = Cvar_Get("r_skyname", "none", CVAR_NONE, 
 			"name of the current skybox");
 	gl_skymultipass = Cvar_Get("gl_skymultipass", "1", CVAR_NONE,
-			"controls wether the skydome is single or double pass");
-
+			"controls whether the skydome is single or double pass");
+	gl_sky_clip = Cvar_Get ("gl_sky_clip", "0", CVAR_NONE,
+			"controls whether sky is drawn first (0) or later (1)");
 }
 
 /*

source/gl_rsurf.c

@@ -65,7 +65,7 @@ int		lightmap_textures;
 
 unsigned int	blocklights[18*18*3];
 
-cvar_t		*gl_colorlights;
+cvar_t	*gl_colorlights;
 
 #define	BLOCK_WIDTH		128
 #define	BLOCK_HEIGHT	128
@@ -91,6 +91,7 @@ int			allocated[MAX_LIGHTMAPS][BLOCK_WIDTH];
 byte		*lightmaps[MAX_LIGHTMAPS];
 
 msurface_t  *waterchain = NULL;
+msurface_t	*sky_chain;
 
 extern qboolean lighthalf;
 
@@ -699,8 +700,7 @@ void DrawTextureChains (void)
 
 	glDisable(GL_BLEND);
 
-	for (i=0 ; i<cl.worldmodel->numtextures ; i++)
-	{
+	for (i=0 ; i<cl.worldmodel->numtextures ; i++) {
 		if (!cl.worldmodel->textures[i])
 			continue;
 		for (s = cl.worldmodel->textures[i]->texturechain;s;s = s->texturechain)
@@ -753,10 +753,12 @@ void R_DrawBrushModel (entity_t *e)
 
 	memset (lightmap_polys, 0, sizeof(lightmap_polys));
 	memset (fullbright_polys, 0, sizeof(fullbright_polys));
+	if (gl_sky_clip->int_val) {
+		sky_chain = 0;
+	}
 
 	VectorSubtract (r_refdef.vieworg, e->origin, modelorg);
-	if (rotated)
-	{
+	if (rotated) {
 		vec3_t	temp;
 		vec3_t	forward, right, up;
 
@@ -798,10 +800,12 @@ void R_DrawBrushModel (entity_t *e)
 	//
 	// draw texture
 	//
-	for (i=0 ; i<clmodel->nummodelsurfaces ; i++, psurf++)
-	{
-		if (psurf->flags & SURF_DRAWSKY)
+	for (i=0 ; i<clmodel->nummodelsurfaces ; i++, psurf++) {
+		if (psurf->flags & SURF_DRAWSKY) {
+			psurf->texturechain = sky_chain;
+			sky_chain = psurf;
 			return;
+		}
 
 		// find which side of the node we are on
 		pplane = psurf->plane;
@@ -827,6 +831,9 @@ void R_DrawBrushModel (entity_t *e)
 	if (gl_fb_bmodels->int_val)
 		R_RenderFullbrights ();
 
+	if (gl_sky_clip->int_val)
+		R_DrawSkyChain (sky_chain);
+
 	glPopMatrix ();
 }
 
@@ -927,8 +934,11 @@ void R_RecursiveWorldNode (mnode_t *node)
 			if ((dot < 0) ^ !!(surf->flags & SURF_PLANEBACK))
 				continue;		// wrong side
 
-			if (surf->flags & SURF_DRAWSKY)
+			if (surf->flags & SURF_DRAWSKY) {
+				surf->texturechain = sky_chain;
+				sky_chain = surf;
 				continue;
+			}
 
 			if (surf->flags & SURF_DRAWTURB)
 			{
@@ -976,8 +986,12 @@ void R_DrawWorld (void)
 
 	memset (lightmap_polys, 0, sizeof(lightmap_polys));
 	memset (fullbright_polys, 0, sizeof(fullbright_polys));
-	// Be sure to clear the skybox --KB
-	R_DrawSky ();
+	if (gl_sky_clip->int_val) {
+		sky_chain = 0;
+	} else {
+		// Be sure to clear the skybox --KB
+		R_DrawSky ();
+	}
 
 	R_RecursiveWorldNode (cl.worldmodel->nodes);
 
@@ -988,6 +1002,9 @@ void R_DrawWorld (void)
 
 	if (gl_fb_bmodels->int_val)
 		R_RenderFullbrights ();
+
+	if (gl_sky_clip->int_val)
+		R_DrawSkyChain (sky_chain);
 }
 
 

source/gl_sky.c

@@ -53,19 +53,13 @@ msurface_t *warpface;
 
 
 /*
-=================================================================
-
-  Quake 2 environment sky
-
-=================================================================
+	Quake 2 environment sky
 */
 
 #define	SKY_TEX		2000
 
 /*
-==================
-R_LoadSkys
-==================
+	R_LoadSkys
 */
 char       *suf[6] = { "rt", "bk", "lf", "ft", "up", "dn" };
 void
@@ -274,6 +268,41 @@ R_DrawSky (void)
 		R_DrawSkyDome ();
 }
 
+void
+R_DrawSkyBoxPoly (glpoly_t *poly)
+{
+	vec3_t verts[32];
+	int i;
+
+	if (poly->numverts>=32) {
+		Con_Printf ("too many verts!");
+		abort();
+	}
+	for (i=0; i< poly->numverts; i++) {
+		VectorSubtract (poly->verts[i], r_refdef.vieworg, verts[i]);
+	}
+}
+
+void
+R_DrawSkyDomePoly (glpoly_t *poly)
+{
+}
+
+void
+R_DrawSkyChain (msurface_t *sky_chain)
+{
+	if (skyloaded) {
+		while (sky_chain) {
+			R_DrawSkyBoxPoly (sky_chain->polys);
+			sky_chain = sky_chain->texturechain;
+		}
+	} else {
+		while (sky_chain) {
+			R_DrawSkyDomePoly (sky_chain->polys);
+			sky_chain = sky_chain->texturechain;
+		}
+	}
+}
 
 
 //===============================================================

source/in_svgalib.c

@@ -29,17 +29,19 @@
 	$Id$
 */
 
-#include "qtypes.h"
-#include "quakedef.h"
-#include "keys.h"
 #include "client.h"
-#include "sys.h"
+#include "cl_input.h"
+#include "cmd.h"
 #include "console.h"
 #include "cvar.h"
-#include "cmd.h"
-#include "qargs.h"
 #include "input.h"
 #include "joystick.h"
+#include "keys.h"
+#include "qargs.h"
+#include "qtypes.h"
+#include "quakedef.h"
+#include "sys.h"
+#include "view.h"
 
 #include <stdio.h>
 #include <stdlib.h>

source/pr_edict.c

@@ -48,6 +48,8 @@
 #include <strings.h>
 #endif
 
+cvar_t	*r_skyname;
+
 void SV_Error (char *error, ...);
 void FindEdictFieldOffsets();
 
@@ -829,7 +831,6 @@ char *ED_ParseEdict (char *data, edict_t *ent)
 	qboolean	anglehack;
 	qboolean	init;
 	char		keyname[256];
-	cvar_t		*r_skyname;
 
 	init = false;
 

source/sv_main.c

@@ -130,6 +130,7 @@ QFile	*sv_fraglogfile;
 
 void SV_AcceptClient (netadr_t adr, int userid, char *userinfo);
 void Master_Shutdown (void);
+void PR_Init_Cvars (void);
 
 //============================================================================