From fce0db09e8227ef04f9e03d28d69fcdc3517c7a2 Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Wed, 11 Oct 2017 00:07:57 +0200
Subject: [PATCH] Add support for reflection in PhongLighting shader

---
 .../Graphics/Resources/Shaders/PhongLighting/core.frag   | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag b/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag
index e37df3fa3..560ca4c29 100644
--- a/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag
+++ b/src/Nazara/Graphics/Resources/Shaders/PhongLighting/core.frag
@@ -63,6 +63,7 @@ uniform float ParallaxBias = -0.03;
 uniform float ParallaxScale = 0.02;
 uniform vec2 InvTargetSize;
 uniform vec3 EyePosition;
+uniform samplerCube ReflectionMap;
 uniform vec4 SceneAmbient;
 
 uniform sampler2D TextureOverlay;
@@ -451,6 +452,14 @@ void main()
 	#endif
 		
 	vec3 lightColor = (lightAmbient + lightDiffuse + lightSpecular);
+	
+	#if REFLECTION_MAPPING
+	vec3 eyeVec = normalize(vWorldPos - EyePosition);
+
+	vec3 reflected = normalize(reflect(eyeVec, normal));
+	lightColor *= texture(ReflectionMap, reflected).rgb;
+	#endif
+	
 	vec4 fragmentColor = vec4(lightColor, 1.0) * diffuseColor;
 
 	#if EMISSIVE_MAPPING