From 5d60f6035a74ff2d4e44c34b2671ea3fc4861afd Mon Sep 17 00:00:00 2001
From: Zack Middleton <zack@cloemail.com>
Date: Sat, 10 Feb 2024 14:50:35 -0600
Subject: [PATCH] OpenGL2: Fix hack for tcMod transform on merged lightmaps
When using merged lightmaps, only change tcMod transform for tcGen
lightmap.
---
code/renderergl2/tr_shader.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/code/renderergl2/tr_shader.c b/code/renderergl2/tr_shader.c
index ba0755102c..b08a932878 100644
--- a/code/renderergl2/tr_shader.c
+++ b/code/renderergl2/tr_shader.c
@@ -2946,12 +2946,14 @@ static void FixFatLightmapTexCoords(void)
if ( pStage->bundle[0].isLightmap ) {
// fix tcMod transform for internal lightmaps, it may be used by q3map2 lightstyles
- for ( i = 0; i < pStage->bundle[0].numTexMods; i++ ) {
- tmi = &pStage->bundle[0].texMods[i];
+ if ( pStage->bundle[0].tcGen == TCGEN_LIGHTMAP ) {
+ for ( i = 0; i < pStage->bundle[0].numTexMods; i++ ) {
+ tmi = &pStage->bundle[0].texMods[i];
- if ( tmi->type == TMOD_TRANSFORM ) {
- tmi->translate[0] /= (float)tr.fatLightmapCols;
- tmi->translate[1] /= (float)tr.fatLightmapRows;
+ if ( tmi->type == TMOD_TRANSFORM ) {
+ tmi->translate[0] /= (float)tr.fatLightmapCols;
+ tmi->translate[1] /= (float)tr.fatLightmapRows;
+ }
}
}