sRGBAfloat cRenderWorker::ObjectShader(
const sShaderInputData &_input, sRGBAfloat *surfaceColour, sRGBAfloat *specularOut)
{
sRGBAfloat output;
// normal vector
CVector3 vn = _input.normal;
sShaderInputData input = _input;
cMaterial *mat = input.material;
input.normal = vn;
// main light
sRGBAfloat mainLight;
mainLight.R = params->mainLightIntensity * params->mainLightColour.R / 65536.0;
mainLight.G = params->mainLightIntensity * params->mainLightColour.G / 65536.0;
mainLight.B = params->mainLightIntensity * params->mainLightColour.B / 65536.0;
// calculate shading based on angle of incidence
sRGBAfloat shade;
if (params->mainLightEnable)
{
shade = MainShading(input);
shade.R = params->mainLightIntensity * ((1.0 - mat->shading) + mat->shading * shade.R);
shade.G = params->mainLightIntensity * ((1.0 - mat->shading) + mat->shading * shade.G);
shade.B = params->mainLightIntensity * ((1.0 - mat->shading) + mat->shading * shade.B);
}
// calculate shadow
sRGBAfloat shadow(1.0, 1.0, 1.0, 1.0);
if (params->shadow && params->mainLightEnable) shadow = MainShadow(input);
// calculate specular highlight
sRGBAfloat specular;
if (params->mainLightEnable)
{
specular = MainSpecular(input);
specular.R *= mat->specular;
specular.G *= mat->specular;
specular.B *= mat->specular;
}
// calculate surface colour
sRGBAfloat colour = SurfaceColour(input);
double texColInt = mat->colorTextureIntensity;
double texColIntN = 1.0 - mat->colorTextureIntensity;
colour.R *= input.texColor.R * texColInt + texColIntN;
colour.G *= input.texColor.G * texColInt + texColIntN;
colour.B *= input.texColor.B * texColInt + texColIntN;
*surfaceColour = colour;
// ambient occlusion
sRGBAfloat ambient(0.0, 0.0, 0.0, 0.0);
if (params->ambientOcclusionEnabled)
{
// fast mode
if (params->ambientOcclusionMode == params::AOmodeFast)
{
ambient = FastAmbientOcclusion(input);
}
else if (params->ambientOcclusionMode == params::AOmodeMultipeRays)
{
ambient = AmbientOcclusion(input);
}
}
sRGBAfloat ambient2;
ambient2.R = ambient.R * params->ambientOcclusion;
ambient2.G = ambient.G * params->ambientOcclusion;
ambient2.B = ambient.B * params->ambientOcclusion;
// environment mapping
sRGBAfloat envMapping(0.0, 0.0, 0.0, 0.0);
if (params->envMappingEnable)
{
envMapping = EnvMapping(input);
}
envMapping.R *= mat->reflectance * input.texDiffuse.R;
envMapping.G *= mat->reflectance * input.texDiffuse.G;
envMapping.B *= mat->reflectance * input.texDiffuse.B;
// additional lights
sRGBAfloat auxLights;
sRGBAfloat auxLightsSpecular;
auxLights = AuxLightsShader(input, &auxLightsSpecular);
// fake orbit trap lights
sRGBAfloat fakeLights(0.0, 0.0, 0.0, 0.0);
sRGBAfloat fakeLightsSpecular(0.0, 0.0, 0.0, 0.0);
if (params->fakeLightsEnabled)
{
fakeLights = FakeLights(input, &fakeLightsSpecular);
}
// luminosity
sRGBAfloat luminosity;
luminosity.R = input.texLuminosity.R * mat->luminosityTextureIntensity
+ mat->luminosity * mat->luminosityColor.R / 65536.0;
luminosity.G = input.texLuminosity.G * mat->luminosityTextureIntensity
+ mat->luminosity * mat->luminosityColor.G / 65536.0;
luminosity.B = input.texLuminosity.B * mat->luminosityTextureIntensity
+ mat->luminosity * mat->luminosityColor.B / 65536.0;
// total shader
output.R = envMapping.R + (ambient2.R + mainLight.R * shade.R * shadow.R) * colour.R;
output.G = envMapping.G + (ambient2.G + mainLight.G * shade.G * shadow.G) * colour.G;
output.B = envMapping.B + (ambient2.B + mainLight.B * shade.B * shadow.B) * colour.B;
output.R += (auxLights.R + fakeLights.R) * colour.R;
output.G += (auxLights.G + fakeLights.G) * colour.G;
output.B += (auxLights.B + fakeLights.B) * colour.B;
output.R += luminosity.R;
output.G += luminosity.G;
output.B += luminosity.B;
output.A = 1.0;
specularOut->R = auxLightsSpecular.R + fakeLightsSpecular.R + mainLight.R * specular.R * shadow.R;
specularOut->G = auxLightsSpecular.G + fakeLightsSpecular.G + mainLight.G * specular.G * shadow.G;
specularOut->B = auxLightsSpecular.B + fakeLightsSpecular.B + mainLight.B * specular.B * shadow.B;
specularOut->A = output.A;
return output;
}
sRGBAfloat cRenderWorker::ObjectShader(const sShaderInputData &_input, sRGBAfloat *surfaceColour,
sRGBAfloat *specularOut)
{
sRGBAfloat output;
//normal vector
CVector3 vn = _input.normal;
sShaderInputData input = _input;
input.normal = vn;
sRGBAfloat mainLight;
mainLight.R = params->mainLightIntensity * params->mainLightColour.R / 65536.0;
mainLight.G = params->mainLightIntensity * params->mainLightColour.G / 65536.0;
mainLight.B = params->mainLightIntensity * params->mainLightColour.B / 65536.0;
//calculate shading based on angle of incidence
sRGBAfloat shade;
if (params->mainLightEnable)
{
shade = MainShading(input);
shade.R = params->mainLightIntensity * ((1.0 - params->shading) + params->shading * shade.R);
shade.G = params->mainLightIntensity * ((1.0 - params->shading) + params->shading * shade.G);
shade.B = params->mainLightIntensity * ((1.0 - params->shading) + params->shading * shade.B);
}
//calculate shadow
sRGBAfloat shadow(1.0, 1.0, 1.0, 1.0);
if (params->shadow && params->mainLightEnable) shadow = MainShadow(input);
//calculate specular highlight
sRGBAfloat specular;
if (params->mainLightEnable)
{
specular = MainSpecular(input);
specular.R *= params->specular;
specular.G *= params->specular;
specular.B *= params->specular;
}
//calculate surface colour
sRGBAfloat colour = SurfaceColour(input);
*surfaceColour = colour;
//ambient occlusion
sRGBAfloat ambient(0.0, 0.0, 0.0, 0.0);
if (params->ambientOcclusionEnabled)
{
//fast mode
if (params->ambientOcclusionMode == params::AOmodeFast)
{
ambient = FastAmbientOcclusion(input);
}
else if (params->ambientOcclusionMode == params::AOmodeMultipeRays)
{
ambient = AmbientOcclusion(input);
}
}
sRGBAfloat ambient2;
ambient2.R = ambient.R * params->ambientOcclusion;
ambient2.G = ambient.G * params->ambientOcclusion;
ambient2.B = ambient.B * params->ambientOcclusion;
//environment mapping
sRGBAfloat envMapping(0.0, 0.0, 0.0, 0.0);
if (params->envMappingEnable)
{
envMapping = EnvMapping(input);
}
envMapping.R *= params->reflect;
envMapping.G *= params->reflect;
envMapping.B *= params->reflect;
//additional lights
sRGBAfloat auxLights;
sRGBAfloat auxLightsSpecular;
auxLights = AuxLightsShader(input, &auxLightsSpecular);
//fake orbit trap lights
sRGBAfloat fakeLights(0.0, 0.0, 0.0, 0.0);
sRGBAfloat fakeLightsSpecular(0.0, 0.0, 0.0, 0.0);
if (params->fakeLightsEnabled)
{
fakeLights = FakeLights(input, &fakeLightsSpecular);
}
//total shader
output.R = envMapping.R + (ambient2.R + mainLight.R * shade.R * shadow.R) * colour.R;
output.G = envMapping.G + (ambient2.G + mainLight.G * shade.G * shadow.G) * colour.G;
output.B = envMapping.B + (ambient2.B + mainLight.B * shade.B * shadow.B) * colour.B;
output.R += (auxLights.R + fakeLights.R) * colour.R;
output.G += (auxLights.G + fakeLights.G) * colour.G;
output.B += (auxLights.B + fakeLights.B) * colour.B;
output.A = 1.0;
(*specularOut).R = auxLightsSpecular.R + fakeLightsSpecular.R
+ mainLight.R * specular.R * shadow.R;
(*specularOut).G = auxLightsSpecular.G + fakeLightsSpecular.G
+ mainLight.G * specular.G * shadow.G;
(*specularOut).B = auxLightsSpecular.B + fakeLightsSpecular.B
+ mainLight.B * specular.B * shadow.B;
(*specularOut).A = output.A;
return output;
}