From 6eae7acd34e595f812dfbe0fa9f97be47d3b5054 Mon Sep 17 00:00:00 2001
From: mittorn <mittorn@sibmail.com>
Date: Wed, 27 Mar 2019 21:34:37 +0700
Subject: [PATCH] ref_soft: lightstyle support

---
 r_context.c |  2 +-
 r_surf.c    | 27 ++++++++++++++++++++-------
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/r_context.c b/r_context.c
index 6291680b..1df68953 100644
--- a/r_context.c
+++ b/r_context.c
@@ -495,7 +495,7 @@ void CL_DrawParticlesExternal(const ref_viewpass_t *rvp, qboolean trans_pass, fl
 
 void GL_BuildLightmaps()
 {
-
+	CL_RunLightStyles();
 }
 
 void Mod_SetOrthoBounds(const float *mins, const float *maxs)
diff --git a/r_surf.c b/r_surf.c
index b3aa4748..784ca161 100644
--- a/r_surf.c
+++ b/r_surf.c
@@ -198,9 +198,9 @@ static void R_BuildLightMap(  )
 
 		for( i = 0, bl = blocklights; i < size; i++, bl += 1, lm++ )
 		{
-			bl[0] += lm->r * 2.5;
-			bl[0] += lm->g * 2.5;
-			bl[0] += lm->b * 2.5;
+			bl[0] += lm->r *  scale * 2.5;
+			bl[0] += lm->g *  scale * 2.5;
+			bl[0] += lm->b *  scale * 2.5;
 
 			//printf("test\n");
 			//bl[1] += gEngfuncs.LightToTexGamma( lm->g ) * scale;
@@ -235,9 +235,9 @@ static void R_BuildLightMap(  )
 			t = (int)blocklights[i];
 			if (t < 0)
 				t = 0;
-			if( t > 767 )
-				t = 767;
-			t = t * 31 / 256 / 3;//(255*256 - t) >> (8 - VID_CBITS);
+			if( t > 65535 * 3 )
+				t = 65535 * 3;
+			t = t * 31 / 65535 / 3;//(255*256 - t) >> (8 - VID_CBITS);
 
 			//if (t < (1 << 6))
 				//t = (1 << 6);
@@ -970,6 +970,7 @@ D_CacheSurface
 surfcache_t *D_CacheSurface (msurface_t *surface, int miplevel)
 {
 	surfcache_t     *cache;
+	int maps;
 //
 // if the surface is animating or flashing, flush the cache
 //
@@ -986,6 +987,15 @@ surfcache_t *D_CacheSurface (msurface_t *surface, int miplevel)
 //
 	cache = CACHESPOT(surface)[miplevel];
 
+	// check for lightmap modification
+	for( maps = 0; maps < MAXLIGHTMAPS && surface->styles[maps] != 255; maps++ )
+	{
+		if( tr.lightstylevalue[surface->styles[maps]] != surface->cached_light[maps] )
+		{
+			surface->dlightframe = r_framecount;
+		}
+	}
+
 
 	if (cache && !cache->dlight && surface->dlightframe != r_framecount
 			&& cache->image == r_drawsurf.image
@@ -1028,7 +1038,10 @@ surfcache_t *D_CacheSurface (msurface_t *surface, int miplevel)
 	cache->lightadj[1] = r_drawsurf.lightadj[1];
 	cache->lightadj[2] = r_drawsurf.lightadj[2];
 	cache->lightadj[3] = r_drawsurf.lightadj[3];
-
+	for( maps = 0; maps < MAXLIGHTMAPS && surface->styles[maps] != 255; maps++ )
+	{
+		surface->cached_light[maps] = tr.lightstylevalue[surface->styles[maps]];
+	}
 //
 // draw and light the surface texture
 //