Merge branch 'master' into Shadows

# Conflicts:
#	assets
#	include/Engine/Rendering/DrawFinalPass.h
#	include/Engine/Rendering/Renderer.h
#	resources/Shaders/ForwardPlus.frag.glsl
#	resources/Shaders/ForwardPlus.vert.glsl
#	src/Engine/Rendering/DrawFinalPass.cpp
#	src/Engine/Rendering/FrameBuffer.cpp
#	src/Engine/Rendering/Renderer.cpp

resources/Shaders/ForwardPlus.frag.glsl

@@ -1,6 +1,7 @@
 #version 430
 
 #define MAX_SPLITS 4
+#define MIN_AMBIENT_LIGHT 0.3
 
 uniform mat4 M;
 uniform mat4 V;
@@ -12,13 +13,20 @@ uniform vec4 FillColor;
 uniform vec4 AmbientColor;
 uniform float FillPercentage;
 uniform float FarDistance[MAX_SPLITS];
+uniform float GlowIntensity = 10;
+uniform vec3 CameraPosition;
 
-layout (binding = 0) uniform sampler2D DiffuseTexture;
-layout (binding = 1) uniform sampler2D NormalMapTexture;
-layout (binding = 2) uniform sampler2D SpecularMapTexture;
-layout (binding = 3) uniform sampler2D GlowMapTexture;
-layout (binding = 4) uniform sampler2DArrayShadow DepthMap;
-
+uniform vec2 DiffuseUVRepeat;
+uniform vec2 NormalUVRepeat;
+uniform vec2 SpecularUVRepeat;
+uniform vec2 GlowUVRepeat;
+layout (binding = 0) uniform sampler2D AOTexture;
+layout (binding = 6) uniform sampler2DArrayShadow DepthMap;
+layout (binding = 1) uniform sampler2D DiffuseTexture;
+layout (binding = 2) uniform sampler2D NormalMapTexture;
+layout (binding = 3) uniform sampler2D SpecularMapTexture;
+layout (binding = 4) uniform sampler2D GlowMapTexture;
+layout (binding = 5) uniform samplerCube CubeMap;
 
 #define TILE_SIZE 16
 
@@ -93,7 +101,7 @@ vec2 poissonDisk[16] = vec2[](
 	);
 
 float CalcAttenuation(float radius, float dist, float falloff) {
-	return 1.0 - smoothstep(radius * 0.3, radius, dist);
+	return 1.0 - smoothstep(radius * falloff, radius, dist);
 }
 
 vec4 CalcSpecular(vec4 lightColor, vec4 viewVec,  vec4 lightVec, vec4 normal) {
@@ -288,21 +296,27 @@ int getShadowIndex(float far_distance[4])
 
 void main()
 {
-	vec4 diffuseTexel = texture2D(DiffuseTexture, Input.TextureCoordinate);
-	vec4 glowTexel = texture2D(GlowMapTexture, Input.TextureCoordinate);
-	vec4 specularTexel = texture2D(SpecularMapTexture, Input.TextureCoordinate);
+	float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy), 0).r;
+	ao = (clamp(1.0 - (1.0 - ao), 0.0, 1.0) + MIN_AMBIENT_LIGHT) /  (1.0 + MIN_AMBIENT_LIGHT);
+	vec4 diffuseTexel = texture2D(DiffuseTexture, Input.TextureCoordinate * DiffuseUVRepeat);
+	vec4 glowTexel = texture2D(GlowMapTexture, Input.TextureCoordinate * GlowUVRepeat);
+	vec4 specularTexel = texture2D(SpecularMapTexture, Input.TextureCoordinate * SpecularUVRepeat);
 	vec4 position = V * M * vec4(Input.Position, 1.0); 
-	vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate, NormalMapTexture);
+	vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate * NormalUVRepeat, NormalMapTexture);
 	normal = normalize(normal);
 	//vec4 normal = normalize(V  * vec4(Input.Normal, 0.0));
-	vec4 viewVec = normalize(-position); 
+	vec4 viewVec = normalize(-position);
+	vec3 I = normalize(vec3(M * vec4(Input.Position, 1.0)) - CameraPosition);
+	vec3 R = reflect(-I, Input.Normal);
+	//R = vec3(P * vec4(R, 1.0));
+	vec4 reflectionColor = texture(CubeMap, R);
 
 	vec2 tilePos;
 	tilePos.x = int(gl_FragCoord.x/TILE_SIZE);
 	tilePos.y = int(gl_FragCoord.y/TILE_SIZE);
 
 	LightResult totalLighting;
-	totalLighting.Diffuse = vec4(AmbientColor.rgb, 1.0);
+	totalLighting.Diffuse = vec4(AmbientColor.rgb * ao, 1.0);
 	int currentTile = int(floor(gl_FragCoord.x/TILE_SIZE) + (floor(gl_FragCoord.y/TILE_SIZE) * int(ScreenDimensions.x/TILE_SIZE)));
 
 	int start = int(LightGrids.Data[currentTile].Start);
@@ -324,9 +338,8 @@ void main()
 			light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal);
 			shadowFactor = CalcShadowValue(Input.PositionLightSpace[DepthMapIndex], Input.Normal, vec3(light.Direction), DepthMap, DepthMapIndex);
 		}
-	
-		totalLighting.Diffuse += light_result.Diffuse;
-		totalLighting.Specular += light_result.Specular;
+		totalLighting.Diffuse += vec4(light_result.Diffuse.rgb * ao, light_result.Diffuse.a);
+		totalLighting.Specular += vec4(light_result.Specular.rgb * ao, light_result.Specular.a);
 	}
 
 	totalLighting.Diffuse *= (1.5 + vec4(AmbientColor.rgba)) - vec4(vec3(shadowFactor), 0.0); 
@@ -336,6 +349,8 @@ void main()
 	
 	vec4 color_result = mix((Color * diffuseTexel * DiffuseColor), Input.ExplosionColor, Input.ExplosionPercentageElapsed);
 	color_result = color_result * (totalLighting.Diffuse + (totalLighting.Specular * specularTexel));	
+	float specularResult = (specularTexel.r + specularTexel.g + specularTexel.b)/3.0;
+	color_result = color_result * clamp(1/specularTexel, 0, 1)*2 + reflectionColor * clamp(specularTexel, 0, 1)/2;
 
 	float pos = ((P * vec4(Input.Position, 1)).y + 1.0)/2.0;
 
@@ -343,9 +358,10 @@ void main()
 		color_result += FillColor;
 	}
 	sceneColor = vec4(color_result.xyz, clamp(color_result.a, 0, 1));
-	color_result += glowTexel*3;
+	//sceneColor = vec4(reflectionColor.xyz, 1);
+	color_result += glowTexel*GlowIntensity;
 
-	bloomColor = vec4(clamp(color_result.xyz - 1.0, 0, 100), 1.0);
+	bloomColor = vec4(clamp(color_result.xyz - 1.0, 0, 100), clamp(color_result.a, 0, 1));
 
 	//Tiled Debug Code
 	/*