1 files changed, 122 insertions, 0 deletions
diff --git a/shaders/humus-dynamicbranching/31.shader_test b/shaders/humus-dynamicbranching/31.shader_test
new file mode 100644
index 0000000..3c0849a
--- /dev/null
+++ b/shaders/humus-dynamicbranching/31.shader_test
@@ -0,0 +1,122 @@
+[require]
+GLSL >= 1.10
+
+[fragment shader]
+#version 130
+#define saturate(x) clamp(x,0.0,1.0)
+#define lerp mix
+#define SHADOWS
+#define BRANCHING
+#line 36
+uniform sampler2D Base;
+uniform sampler2D Bump;
+uniform samplerCube ShadowMap;
+
+uniform vec3 lightColor;
+uniform vec2 plxCoeffs;
+uniform vec4 select;
+
+uniform bool hasParallax;
+
+varying vec2 texCoord;
+varying vec3 lVec;
+varying vec3 vVec;
+varying vec3 shadowVec;
+
+void main(){
+	vec3 lighting = vec3(0.0);
+
+	float atten = saturate(1.0 - dot(lVec, lVec));
+#ifndef BRANCHING
+	atten *= float(lVec.z > 0.0);
+#else
+	if (atten > 0.0)
+	if (lVec.z > 0.0)
+#endif
+	{
+
+#ifdef SHADOWS
+#  ifndef BRANCHING
+		atten *= float(length(shadowVec) < dot(textureCube(ShadowMap, shadowVec), select));
+#  else
+		if (length(shadowVec) < dot(textureCube(ShadowMap, shadowVec), select))
+#  endif
+#endif
+		{
+			vec3 lightVec = normalize(lVec);
+			vec3 viewVec = normalize(vVec);
+
+			vec2 plxTexCoord = texCoord;
+			if (hasParallax){
+				float height = texture2D(Bump, texCoord).w;
+				float offset = height * plxCoeffs.x + plxCoeffs.y;
+				plxTexCoord += offset * viewVec.xy;
+			}
+
+			vec3 base = texture2D(Base, plxTexCoord).rgb;
+			vec3 bump = texture2D(Bump, plxTexCoord).xyz * 2.0 - 1.0;
+			bump = normalize(bump);
+
+			float diffuse = saturate(dot(lightVec, bump));
+			float specular = pow(saturate(dot(reflect(-viewVec, bump), lightVec)), 16.0);
+
+			lighting = atten * lightColor * (diffuse * base + 0.6 * specular);
+		}
+	}
+	gl_FragColor.rgb = lighting;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+[vertex shader]
+#version 130
+#define saturate(x) clamp(x,0.0,1.0)
+#define lerp mix
+#define SHADOWS
+#define BRANCHING
+#line 2
+uniform vec3 lightPos;
+uniform vec3 camPos;
+uniform float invRadius;
+
+attribute vec2 textureCoord;
+attribute vec3 tangent;
+attribute vec3 binormal;
+attribute vec3 normal;
+
+varying vec2 texCoord;
+varying vec3 lVec;
+varying vec3 vVec;
+varying vec3 shadowVec;
+
+void main(){
+	gl_Position = ftransform();
+
+	texCoord = textureCoord;
+
+	vec3 lightVec = invRadius * (lightPos - gl_Vertex.xyz);
+	shadowVec = -lightVec;
+	lVec.x = dot(lightVec, tangent);
+	lVec.y = dot(lightVec, binormal);
+	lVec.z = dot(lightVec, normal);
+
+	vec3 viewVec = camPos - gl_Vertex.xyz;
+	vVec.x = dot(viewVec, tangent);
+	vVec.y = dot(viewVec, binormal);
+	vVec.z = dot(viewVec, normal);
+}
+
+
+