ref_soft: colormap support, basic studiomodel lighting

r_draw.c

@@ -299,6 +299,9 @@ R_Set2DMode
 void R_Set2DMode( qboolean enable )
 {
 	vid.color = COLOR_WHITE;
+	vid.is2d = enable;
+	vid.alpha = 7;
+
 	if( enable )
 	{
 //		if( glState.in2DMode )

r_glblit.c

@@ -133,6 +133,7 @@ void R_BuildBlendMaps()
 {
 	unsigned int r1, g1, b1;
 	unsigned int r2, g2, b2;
+	unsigned int i, j;
 
 	FOR_EACH_COLOR(1)FOR_EACH_COLOR(2)
 	{
@@ -169,6 +170,37 @@ void R_BuildBlendMaps()
 		}
 
 	}
+	for( i = 0; i < 8192; i++ )
+	{
+		unsigned int r, g, b;
+		uint color = i << 3;
+		uint m = color >> 8;
+		uint j = color & 0xff;
+
+		r1 = ((m >> (8 - 3) )<< 2 ) & MASK(5);
+		g1 = ((m >> (8 - 3 - 3)) << 3) & MASK(6);
+		b1 = ((m >> (8 - 3 - 3 - 2)) << 3) & MASK(5);
+		r1 |= MOVE_BIT(j, 5, 1) | MOVE_BIT(j, 2, 0);
+		g1 |= MOVE_BIT(j, 7, 2) | MOVE_BIT(j, 4, 1) | MOVE_BIT(j, 1, 0);
+		b1 |= MOVE_BIT(j, 6, 2) | MOVE_BIT(j, 3, 1) | MOVE_BIT(j, 0, 0);
+
+
+		unsigned short index1 = i;
+		for( j = 0; j < 32; j++)
+		{
+			unsigned int index2 = j << 13;
+			unsigned int major, minor;
+			r = r1 * j / 32;
+			g = g1 * j / 32;
+			b = b1 * j / 32;
+			major = (((r >> 2) & MASK(3)) << 5) |( (( (g >> 3) & MASK(3)) << 2 )  )| (((b >> 3) & MASK(2)));
+
+			// save minor GBRGBRGB
+			minor = MOVE_BIT(r,1,5) | MOVE_BIT(r,0,2) | MOVE_BIT(g,2,7) | MOVE_BIT(g,1,4) | MOVE_BIT(g,0,1) | MOVE_BIT(b,2,6)| MOVE_BIT(b,1,3)|MOVE_BIT(b,0,0);
+
+			vid.colormap[index2|index1] =  major << 8 | (minor & 0xFF);
+		}
+	}
 }
 
 void R_AllocScreen();

r_light.c

@@ -472,6 +472,8 @@ colorVec R_LightVec( const vec3_t start, const vec3_t end, vec3_t lspot, vec3_t
 {
 	colorVec	light = R_LightVecInternal( start, end, lspot, lvec );
 
+	light.r = light.g = light.b = 255;
+
 	if( lspot != NULL && lvec != NULL ) // CVAR_TO_BOOL( r_lighting_extended ) &&
 	{
 		// trying to get light from ceiling (but ignore gradient analyze)

r_local.h

@@ -133,7 +133,7 @@ typedef struct vrect_s
 typedef struct
 {
 	pixel_t                 *buffer;                // invisible buffer
-	pixel_t                 *colormap;              // 256 * VID_GRADES size
+	pixel_t                colormap[32*8192];              // 8192 * light levels
 	//pixel_t                 *alphamap;              // 256 * 256 translucency map
 #ifdef SEPARATE_BLIT
 	pixel_t					screen_minor[256];
@@ -146,6 +146,7 @@ typedef struct
 	byte					modmap[256*256];
 	byte                 alphamap[8*256*256];
 	pixel_t					color;
+	qboolean is2d;
 	byte alpha;
 
 	// maybe compute colormask for minor byte?

r_main.c

@@ -517,6 +517,7 @@ R_SetupFrustum
 */
 void R_SetupFrustum( void )
 {
+	AngleVectors( RI.viewangles, RI.vforward, RI.vright, RI.vup );
 #if 0
 	ref_overview_t	*ov = gEngfuncs.GetOverviewParms();
 
@@ -1034,20 +1035,27 @@ void R_DrawEntitiesOnList( void )
 			//R_DrawAliasModel( RI.currententity );
 			break;
 		case mod_studio:
-			//R_DrawStudioModel( RI.currententity );
-		/*{finalvert_t fv[3];
+			R_DrawStudioModel( RI.currententity );
+		#if 0
+			// gradient debug (for colormap testing)
+		{finalvert_t fv[3];
 			void R_AliasSetUpTransform (void);
 			extern void	(*d_pdrawspans)(void *);
 			extern void R_PolysetFillSpans8 ( void * );
 			d_pdrawspans = R_PolysetFillSpans8;
 			//RI.currententity = gEngfuncs.GetEntityByIndex(0);
 			R_AliasSetUpTransform();
-			R_SetupFinalVert( &fv[0], -10, -10, 5, 0, 0, 0);
-			R_SetupFinalVert( &fv[1], -10, 10, 10, 0, 0, 0);
-			R_SetupFinalVert( &fv[2], 10, 10, -10, 0, 0, 0);
-			R_RenderTriangle( &fv );
-		}*/
-			R_DrawStudioModel( RI.currententity );
+			image_t *image = R_GetTexture(GL_LoadTexture("gfx/env/desertbk", NULL, 0, 0));
+			r_affinetridesc.pskin = image->pixels[0];
+			r_affinetridesc.skinwidth = image->width;
+			r_affinetridesc.skinheight = image->height;
+			R_SetupFinalVert( &fv[0], 0, -50, 50, 31 << 8, 0, 0);
+			R_SetupFinalVert( &fv[1], 0, 50, 50, 0 << 8, image->width, 0);
+			R_SetupFinalVert( &fv[2], 0, 0, 0, 0 << 8, image->width/2, image->height);
+			R_RenderTriangle( &fv[0], &fv[1], &fv[2] );
+		}
+#endif
+
 
 			break;
 		default:

r_polyse.c

@@ -1145,11 +1145,11 @@ void R_PolysetFillSpans8 (spanpackage_t *pspanpackage)
 #else
 void R_PolysetFillSpans8 (spanpackage_t *pspanpackage)
 {
-	int				color;
+	//int				color;
 	int		lcount;
 // FIXME: do z buffering
 
-	color = d_aflatcolor++ * 10;
+	//color = d_aflatcolor++ * 10;
 
 	do
 	{
@@ -1191,8 +1191,15 @@ void R_PolysetFillSpans8 (spanpackage_t *pspanpackage)
 					/*if(r_newrefdef.rdflags & RDF_IRGOGGLES && RI.currententity->flags & RF_IR_VISIBLE)
 						*lpdest = ((byte *)vid.colormap)[irtable[*lptex]];
 					else*/
-					*lpdest = *lptex; //((byte *)vid.colormap)[*lptex + (llight & 0xFF00)];
-//PGM
+					//*lpdest = *lptex; //((byte *)vid.colormap)[*lptex + (llight & 0xFF00)];
+					uint src = *lptex;
+					//*lpdest = //vid.colormap[src & 0xff00|(llight>>8)] << 8 | (src & llight & 0xff) | ((src & 0xff) >> 3);
+					// very dirty, maybe need dual colormap?
+					//*lpdest = (vid.colormap[src >> 8 | (llight & 0xFF00)] << 8) | src & 0xff;
+					// 13 bit lighting, 32 light levels
+					*lpdest = vid.colormap[(src >> 3) | ((llight & 0x1F00) << 5)] | src & 7;
+
+					//PGM
 					*lpz = lzi >> 16;
 				}
 				lpdest++;

r_studio.c

@@ -1770,6 +1770,7 @@ static void R_StudioSetColorBegin(short *ptricmds, vec3_t *pstudionorms )
 			color[3] = tr.blend * 255;
 			VectorCopy( (byte*)&RI.currententity->curstate.rendercolor, color );
 			//pglColor4ubv( color );
+			TriColor4ub(color[0], color[1], color[2], color[3]);
 		}
 		else _TriColor4f( lv[0], lv[1], lv[2], tr.blend );
 	}

r_triapi.c

@@ -27,6 +27,7 @@ finalvert_t triv[3];
 int vertcount, n;
 int mode;
 short s,t;
+uint light;
 
 /*
 ===============================================================
@@ -145,17 +146,25 @@ void _TriColor4f( float rr, float gg, float bb, float aa )
 	unsigned int major, minor;
 
 
+
+	//gEngfuncs.Con_Printf("%d\n", vid.alpha);
+
+	light = (rr + gg + bb) * 31 / 3;
+	if( light > 31 )
+		light = 31;
+
+	if( !vid.is2d )
+		return;
+
 	vid.alpha = aa * 7;
 	if( vid.alpha > 7 )
 		vid.alpha = 7;
-	//gEngfuncs.Con_Printf("%d\n", vid.alpha);
 
 	if( rr == 1 && gg == 1 && bb == 1 )
 	{
 		vid.color = COLOR_WHITE;
 		return;
 	}
-
 	r = rr * 31, g = gg * 63, b = bb * 31;
 
 
@@ -235,7 +244,7 @@ void TriVertex3f( float x, float y, float z )
 {
 	if( mode == TRI_TRIANGLE_FAN )
 	{
-		R_SetupFinalVert( &triv[vertcount], x, y, z, 0,s,t);
+		R_SetupFinalVert( &triv[vertcount], x, y, z, light << 8,s,t);
 		vertcount++;
 		if( vertcount >= 3 )
 		{
@@ -246,7 +255,7 @@ void TriVertex3f( float x, float y, float z )
 	}
 	if( mode == TRI_TRIANGLE_STRIP )
 	{
-		R_SetupFinalVert( &triv[n], x, y, z, 0,s,t);
+		R_SetupFinalVert( &triv[n], x, y, z, light << 8,s,t);
 		n++;
 		vertcount++;
 		if( n == 3 )