From 9ee94ea2790fab90049c54c31941573802180ca6 Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Mon, 26 May 2003 18:20:52 +0000
Subject: [PATCH] removed directional shading on explosions because it was a
 nuisance to maintain (and strangely they seem to look better now) explosion
 rendering now supports gl_mesh_copyarrays 0

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3048 d7cf8633-e32d-0410-b094-e92efae38249
---
 r_explosion.c | 42 +++++++++++++++---------------------------
 1 file changed, 15 insertions(+), 27 deletions(-)

diff --git a/r_explosion.c b/r_explosion.c
index 669a874a..80f4909f 100644
--- a/r_explosion.c
+++ b/r_explosion.c
@@ -175,8 +175,8 @@ void R_NewExplosion(vec3_t org)
 
 void R_DrawExplosionCallback(const void *calldata1, int calldata2)
 {
-	int i, numtriangles, numverts;
-	float *c, diff[3], centerdir[3], alpha, dist;
+	int numtriangles, numverts;
+	float alpha;
 	rmeshstate_t m;
 	const explosion_t *e;
 	e = calldata1;
@@ -186,36 +186,24 @@ void R_DrawExplosionCallback(const void *calldata1, int calldata2)
 	m.blendfunc2 = GL_ONE;
 	m.tex[0] = R_GetTexture(explosiontexture);
 	R_Mesh_Matrix(&r_identitymatrix);
-	R_Mesh_State(&m);
 
 	numtriangles = EXPLOSIONTRIS;
 	numverts = EXPLOSIONVERTS;
-	GL_UseColorArray();
-	R_Mesh_GetSpace(numverts);
-
-	R_Mesh_CopyVertex3f(e->vert[0], numverts);
-	R_Mesh_CopyTexCoord2f(0, explosiontexcoord2f[0], numverts);
 	alpha = e->alpha * r_colorscale;
-	VectorSubtract(r_origin, e->origin, centerdir);
-	VectorNormalizeFast(centerdir);
-	for (i = 0, c = varray_color4f;i < EXPLOSIONVERTS;i++, c += 4)
+	GL_Color(alpha, alpha, alpha, 1);
+	if (gl_mesh_copyarrays.integer)
 	{
-		VectorSubtract(e->vert[i], e->origin, diff);
-		VectorNormalizeFast(diff);
-		dist = (DotProduct(diff, centerdir) * 6.0f - 4.0f) * alpha;
-		if (dist > 0)
-		{
-			if (fogenabled)
-			{
-				// use inverse fog alpha
-				VectorSubtract(e->vert[i], r_origin, diff);
-				dist *= (1 - exp(fogdensity/DotProduct(diff,diff)));
-			}
-		}
-		else
-			dist = 0;
-		c[0] = c[1] = c[2] = dist;
-		c[3] = 1;
+		R_Mesh_State(&m);
+		R_Mesh_GetSpace(numverts);
+		R_Mesh_CopyVertex3f(e->vert[0], numverts);
+		R_Mesh_CopyTexCoord2f(0, explosiontexcoord2f[0], numverts);
+	}
+	else
+	{
+		m.pointervertexcount = numverts;
+		m.pointer_vertex = e->vert[0];
+		m.pointer_texcoord[0] = explosiontexcoord2f[0];
+		R_Mesh_State(&m);
 	}
 	R_Mesh_Draw(numverts, numtriangles, explosiontris[0]);
 }
-- 
2.39.2