From a011d1fa937105c528e28c5414648bab046b1b1a Mon Sep 17 00:00:00 2001
From: Alex <redox@thatredox.dev>
Date: Sun, 25 Aug 2024 08:08:11 -0700
Subject: [PATCH] Fix direct emitter hits when emitter sampling is enabled and
 prevent normal emitter when using emitter sampling is enabled.

---
 chunky/src/java/se/llbit/chunky/renderer/scene/PathTracer.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chunky/src/java/se/llbit/chunky/renderer/scene/PathTracer.java b/chunky/src/java/se/llbit/chunky/renderer/scene/PathTracer.java
index 3a0299d01..b876e46f0 100644
--- a/chunky/src/java/se/llbit/chunky/renderer/scene/PathTracer.java
+++ b/chunky/src/java/se/llbit/chunky/renderer/scene/PathTracer.java
@@ -228,7 +228,7 @@ private static boolean doDiffuseReflection(Ray ray, Ray next, Material currentMa
     Vector3 emittance = new Vector3();
     Vector4 indirectEmitterColor = new Vector4(0, 0, 0, 0);
 
-    if (scene.emittersEnabled && (!scene.isPreventNormalEmitterWithSampling() || scene.getEmitterSamplingStrategy() == EmitterSamplingStrategy.NONE || ray.depth == 0) && currentMat.emittance > Ray.EPSILON) {
+    if (scene.emittersEnabled && (!scene.isPreventNormalEmitterWithSampling() || scene.getEmitterSamplingStrategy() == EmitterSamplingStrategy.NONE || ray.depth == 1) && currentMat.emittance > Ray.EPSILON) {
 
       // Quadratic emittance mapping, so a pixel that's 50% darker will emit only 25% as much light
       // This is arbitrary but gives pretty good results in most cases.