public static void SetLightingUniforms(Shader shader, Camera camera)
{
// fresnel sky/ground color for characters & stages
ShaderTools.LightColorVector3Uniform(shader, Runtime.lightSetParam.fresnelLight.groundColor, "fresGroundColor");
ShaderTools.LightColorVector3Uniform(shader, Runtime.lightSetParam.fresnelLight.skyColor, "fresSkyColor");
shader.SetVector3("fresSkyDirection", Runtime.lightSetParam.fresnelLight.getSkyDirection());
shader.SetVector3("fresGroundDirection", Runtime.lightSetParam.fresnelLight.getGroundDirection());
// reflection color for characters & stages
float refR, refG, refB = 1.0f;
ColorTools.HsvToRgb(Runtime.reflectionHue, Runtime.reflectionSaturation, Runtime.reflectionIntensity, out refR, out refG, out refB);
shader.SetVector3("refLightColor", refR, refG, refB);
// character diffuse lights
shader.SetVector3("difLightColor", Runtime.lightSetParam.characterDiffuse.diffuseColor.R, Runtime.lightSetParam.characterDiffuse.diffuseColor.G, Runtime.lightSetParam.characterDiffuse.diffuseColor.B);
shader.SetVector3("ambLightColor", Runtime.lightSetParam.characterDiffuse.ambientColor.R, Runtime.lightSetParam.characterDiffuse.ambientColor.G, Runtime.lightSetParam.characterDiffuse.ambientColor.B);
shader.SetVector3("difLightColor2", Runtime.lightSetParam.characterDiffuse2.diffuseColor.R, Runtime.lightSetParam.characterDiffuse2.diffuseColor.G, Runtime.lightSetParam.characterDiffuse2.diffuseColor.B);
shader.SetVector3("ambLightColor2", Runtime.lightSetParam.characterDiffuse2.ambientColor.R, Runtime.lightSetParam.characterDiffuse2.ambientColor.G, Runtime.lightSetParam.characterDiffuse2.ambientColor.B);
shader.SetVector3("difLightColor3", Runtime.lightSetParam.characterDiffuse3.diffuseColor.R, Runtime.lightSetParam.characterDiffuse3.diffuseColor.G, Runtime.lightSetParam.characterDiffuse3.diffuseColor.B);
shader.SetVector3("ambLightColor3", Runtime.lightSetParam.characterDiffuse3.ambientColor.R, Runtime.lightSetParam.characterDiffuse3.ambientColor.G, Runtime.lightSetParam.characterDiffuse3.ambientColor.B);
// character specular light
shader.SetVector3("specLightColor", LightTools.specularLight.diffuseColor.R, LightTools.specularLight.diffuseColor.G, LightTools.specularLight.diffuseColor.B);
// stage fog
shader.SetBoolToInt("renderFog", Runtime.renderFog);
shader.SetVector3("difLight2Direction", Runtime.lightSetParam.characterDiffuse2.direction);
shader.SetVector3("difLight3Direction", Runtime.lightSetParam.characterDiffuse2.direction);
if (Runtime.cameraLight)
{
// Camera light should only affect character lighting.
Matrix4 invertedCamera = camera.MvpMatrix.Inverted();
Vector3 lightDirection = new Vector3(0f, 0f, -1f);
shader.SetVector3("lightDirection", Vector3.TransformNormal(lightDirection, invertedCamera).Normalized());
shader.SetVector3("specLightDirection", Vector3.TransformNormal(lightDirection, invertedCamera).Normalized());
shader.SetVector3("difLightDirection", Vector3.TransformNormal(lightDirection, invertedCamera).Normalized());
}
else
{
shader.SetVector3("specLightDirection", LightTools.specularLight.direction);
shader.SetVector3("difLightDirection", Runtime.lightSetParam.characterDiffuse.direction);
}
}
