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com.bladecoder.engine.shading.cel.fragment.copy.glsl Maven / Gradle / Ivy

#ifdef GL_ES 
#define LOWP lowp
#define MED mediump
#define HIGH highp
precision mediump float;
#else
#define MED
#define LOWP
#define HIGH
#endif

#if defined(specularTextureFlag) || defined(specularColorFlag)
#define specularFlag
#endif

#ifdef normalFlag
varying vec3 v_normal;
#endif //normalFlag

#if defined(colorFlag)
varying vec4 v_color;
#endif

#ifdef blendedFlag
varying float v_opacity;
#ifdef alphaTestFlag
varying float v_alphaTest;
#endif //alphaTestFlag
#endif //blendedFlag

#if defined(diffuseTextureFlag) || defined(specularTextureFlag)
#define textureFlag
varying MED vec2 v_texCoords0;
#endif

#ifdef diffuseColorFlag
uniform vec4 u_diffuseColor;
#endif

#ifdef diffuseTextureFlag
uniform sampler2D u_diffuseTexture;
#endif

#ifdef specularColorFlag
uniform vec4 u_specularColor;
#endif

#ifdef specularTextureFlag
uniform sampler2D u_specularTexture;
#endif

#ifdef normalTextureFlag
uniform sampler2D u_normalTexture;
#endif

#ifdef lightingFlag
varying vec3 v_lightDiffuse;

#if	defined(ambientLightFlag) || defined(ambientCubemapFlag) || defined(sphericalHarmonicsFlag)
#define ambientFlag
#endif //ambientFlag

#ifdef specularFlag
varying vec3 v_lightSpecular;
#endif //specularFlag

#ifdef shadowMapFlag
uniform sampler2D u_shadowTexture;
uniform float u_shadowPCFOffset;
varying vec3 v_shadowMapUv;
#define separateAmbientFlag

float getShadowness(vec2 offset)
{
    const vec4 bitShifts = vec4(1.0, 1.0 / 255.0, 1.0 / 65025.0, 1.0 / 160581375.0);
    return step(v_shadowMapUv.z, dot(texture2D(u_shadowTexture, v_shadowMapUv.xy + offset), bitShifts));//+(1.0/255.0));	
}

float getShadow() 
{
	return (//getShadowness(vec2(0,0)) + 
			getShadowness(vec2(u_shadowPCFOffset, u_shadowPCFOffset)) +
			getShadowness(vec2(-u_shadowPCFOffset, u_shadowPCFOffset)) +
			getShadowness(vec2(u_shadowPCFOffset, -u_shadowPCFOffset)) +
			getShadowness(vec2(-u_shadowPCFOffset, -u_shadowPCFOffset))) * 0.25;
}
#endif //shadowMapFlag

#if defined(ambientFlag) && defined(separateAmbientFlag)
varying vec3 v_ambientLight;
#endif //separateAmbientFlag

#endif //lightingFlag

#ifdef fogFlag
uniform vec4 u_fogColor;
varying float v_fog;
#endif // fogFlag

void main() {
	#if defined(normalFlag) 
		vec3 normal = v_normal;
	#endif // normalFlag
		
	#if defined(diffuseTextureFlag) && defined(diffuseColorFlag) && defined(colorFlag)
		vec4 diffuse = texture2D(u_diffuseTexture, v_texCoords0) * u_diffuseColor * v_color;
	#elif defined(diffuseTextureFlag) && defined(diffuseColorFlag)
		vec4 diffuse = texture2D(u_diffuseTexture, v_texCoords0) * u_diffuseColor;
	#elif defined(diffuseTextureFlag) && defined(colorFlag)
		vec4 diffuse = texture2D(u_diffuseTexture, v_texCoords0) * v_color;
	#elif defined(diffuseTextureFlag)
		vec4 diffuse = texture2D(u_diffuseTexture, v_texCoords0);
	#elif defined(diffuseColorFlag) && defined(colorFlag)
		vec4 diffuse = u_diffuseColor * v_color;
	#elif defined(diffuseColorFlag)
		vec4 diffuse = u_diffuseColor;
	#elif defined(colorFlag)
		vec4 diffuse = v_color;
	#else
		vec4 diffuse = vec4(1.0);
	#endif

	#if (!defined(lightingFlag))  
		gl_FragColor.rgb = diffuse.rgb;
	#elif (!defined(specularFlag))
		#if defined(ambientFlag) && defined(separateAmbientFlag)
			#ifdef shadowMapFlag
				gl_FragColor.rgb = (diffuse.rgb * (v_ambientLight + getShadow() * v_lightDiffuse));
				//gl_FragColor.rgb = texture2D(u_shadowTexture, v_shadowMapUv.xy);
			#else
				gl_FragColor.rgb = (diffuse.rgb * (v_ambientLight + v_lightDiffuse));
			#endif //shadowMapFlag
		#else
			#ifdef shadowMapFlag
				gl_FragColor.rgb = getShadow() * (diffuse.rgb * v_lightDiffuse);
			#else
				//gl_FragColor.rgb = (diffuse.rgb * v_lightDiffuse);
				
float intensity;
	vec4 color;
	intensity = dot(v_lightDiffuse,normal);

	if (intensity > 0.80)
		color = vec4(1.0,0.5,0.5,1.0);
	else if (intensity > 0.2)
		color = vec4(0.6,0.3,0.3,1.0);
	else
		color = vec4(0.2,0.1,0.1,1.0);
	
	gl_FragColor = color;
					
			#endif //shadowMapFlag
		#endif
	#else
		#if defined(specularTextureFlag) && defined(specularColorFlag)
			vec3 specular = texture2D(u_specularTexture, v_texCoords0).rgb * u_specularColor.rgb * v_lightSpecular;
		#elif defined(specularTextureFlag)
			vec3 specular = texture2D(u_specularTexture, v_texCoords0).rgb * v_lightSpecular;
		#elif defined(specularColorFlag)
			vec3 specular = u_specularColor.rgb * v_lightSpecular;
		#else
			vec3 specular = v_lightSpecular;
		#endif
			
		#if defined(ambientFlag) && defined(separateAmbientFlag)
			#ifdef shadowMapFlag
			gl_FragColor.rgb = (diffuse.rgb * (getShadow() * v_lightDiffuse + v_ambientLight)) + specular;
				//gl_FragColor.rgb = texture2D(u_shadowTexture, v_shadowMapUv.xy);
			#else
				gl_FragColor.rgb = (diffuse.rgb * (v_lightDiffuse + v_ambientLight)) + specular;
			#endif //shadowMapFlag
		#else
			#ifdef shadowMapFlag
				gl_FragColor.rgb = getShadow() * ((diffuse.rgb * v_lightDiffuse) + specular);
			#else
				gl_FragColor.rgb = (diffuse.rgb * v_lightDiffuse) + specular;
			#endif //shadowMapFlag
		#endif
	#endif //lightingFlag
}