Resurrection

resources/shaders/NIU/directlight_bump.fragment

@@ -0,0 +1,38 @@
+uniform sampler2D Texture;
+uniform sampler2D NormalMap;
+uniform int NormalMapExists;
+
+varying vec2 texCoord;
+varying vec3 camVec;
+varying vec3 lightVec;
+
+void main() 
+{
+	vec3 norm;
+	
+	vec4 ambient;
+	vec4 diffuse;
+	vec4 specular;
+	
+	vec3 TexRGB = texture2D(Texture, texCoord.st).rgb;
+	
+	vec3 cVec = normalize(camVec);
+	
+	if (NormalMapExists == 0)
+	{
+		norm = vec3(0.0,0.0,1.0);
+	}
+	else
+	{
+		norm = (texture2D(NormalMap, texCoord.st).rgb - 0.5) * 2.0;
+	}
+	
+	float shineFactor = 15.0 * pow(max(dot(cVec, norm),0.0),gl_FrontMaterial.shininess) / (129.0 - gl_FrontMaterial.shininess);
+	
+	ambient = gl_LightSource[0].ambient;
+	diffuse = gl_FrontMaterial.diffuse * gl_LightSource[0].diffuse * max( dot(lightVec,norm),0.0);
+	specular = gl_LightSource[0].specular * shineFactor;
+		
+	gl_FragColor = vec4(TexRGB,1.0)*ambient+(vec4(TexRGB,1.0)*diffuse+specular);
+	
+}