From ea560172f79240a9bbbb41918941d0651c06d557 Mon Sep 17 00:00:00 2001
From: nashmuhandes <nashbackslash@gmail.com>
Date: Thu, 14 Oct 2021 17:35:44 +0800
Subject: [PATCH] Add light probes to wall decals

---
 src/rendering/hwrenderer/scene/hw_decal.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/rendering/hwrenderer/scene/hw_decal.cpp b/src/rendering/hwrenderer/scene/hw_decal.cpp
index a2ee40d70..980fc52a5 100644
--- a/src/rendering/hwrenderer/scene/hw_decal.cpp
+++ b/src/rendering/hwrenderer/scene/hw_decal.cpp
@@ -61,6 +61,19 @@ void HWDecal::DrawDecal(HWDrawInfo *di, FRenderState &state)
 	state.SetObjectColor(DecalColor);
 
 	state.SetLightIndex(dynlightindex);
+
+	// add light probe contribution
+	if (di->Level->LightProbes.Size() > 0)
+	{
+		double x, y;
+		decal->GetXY(decal->Side, x, y);
+		LightProbe *probe = FindLightProbe(di->Level, x, y, decal->GetRealZ(decal->Side) * 0.5);
+		if (probe)
+		{
+			state.SetDynLight(probe->Red, probe->Green, probe->Blue);
+		}
+	}
+
 	state.SetTextureMode(decal->RenderStyle);
 	state.SetRenderStyle(decal->RenderStyle);
 	state.SetMaterial(texture, UF_Sprite, 0, CLAMP_XY, decal->Translation, -1);