void CloudLayer::renderObject( ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *mi )
{
GFXTransformSaver saver;
const Point3F &camPos = state->getCameraPosition();
MatrixF xfm(true);
xfm.setPosition(camPos);
GFX->multWorld(xfm);
if ( state->isReflectPass() )
GFX->setProjectionMatrix( state->getSceneManager()->getNonClipProjection() );
GFX->setShader( mShader );
GFX->setShaderConstBuffer( mShaderConsts );
GFX->setStateBlock( mStateblock );
// Set all the shader consts...
MatrixF xform(GFX->getProjectionMatrix());
xform *= GFX->getViewMatrix();
xform *= GFX->getWorldMatrix();
mShaderConsts->setSafe( mModelViewProjSC, xform );
mShaderConsts->setSafe( mEyePosWorldSC, camPos );
LightInfo *lightinfo = LIGHTMGR->getSpecialLight(LightManager::slSunLightType);
const ColorF &sunlight = state->getAmbientLightColor();
Point3F ambientColor( sunlight.red, sunlight.green, sunlight.blue );
mShaderConsts->setSafe( mAmbientColorSC, ambientColor );
const ColorF &sunColor = lightinfo->getColor();
Point3F data( sunColor.red, sunColor.green, sunColor.blue );
mShaderConsts->setSafe( mSunColorSC, data );
mShaderConsts->setSafe( mSunVecSC, lightinfo->getDirection() );
for ( U32 i = 0; i < TEX_COUNT; i++ )
mShaderConsts->setSafe( mTexOffsetSC[i], mTexOffset[i] );
Point3F scale( mTexScale[0], mTexScale[1], mTexScale[2] );
mShaderConsts->setSafe( mTexScaleSC, scale );
Point3F color;
color.set( mBaseColor.red, mBaseColor.green, mBaseColor.blue );
mShaderConsts->setSafe( mBaseColorSC, color );
mShaderConsts->setSafe( mCoverageSC, mCoverage );
mShaderConsts->setSafe( mExposureSC, mExposure );
GFX->setTexture( mNormalHeightMapSC->getSamplerRegister(), mTexture );
GFX->setVertexBuffer( mVB );
GFX->setPrimitiveBuffer( mPB );
GFX->drawIndexedPrimitive( GFXTriangleList, 0, 0, smVertCount, 0, smTriangleCount );
}
color3 Ray::PhongColor(Light light, Material material, Fragment fragment) const
{
vec3 ambient = ambientColor(light, material);
vec3 diffuse = diffuseColor(light, material, fragment);
vec3 specular = specularColor(light, material, fragment);
vec3 color = clamp(ambient + diffuse + specular, 0.0, 1.0);
return color;
}
Color<real> BlinnPhongShader<real>::GetAmbient( const Light<real>& light )
{
Color<real> ambientColor( 0, 0, 0, 1 );
////////////////////////////////////////////
//////////////////IFT 3355//////////////////
////////////////////////////////////////////
//Ici, vous calculerez la composante
//ambiante.
////////////////////////////////////////////
//////////////////IFT 3355//////////////////
////////////////////////////////////////////
ambientColor += light.GetAmbient() *
GetMaterialSurfaceColor() *
mMaterial.GetAmbient() *
GetAmbientOcclusion(mRayTracer.GetNbAmbientOcclusionSamples(),
mRayTracer.GetAmbientOcclusionRadius());
return ambientColor;
}
void SpotLight::apply()
{
const math::Matrix4x4& wt = cachedWorldTransform();
math::Vector3 wrotz = math::Vector3( wt(0,2),wt(1,2),wt(2,2) );
float wrotzlen = wrotz.length();
if ( wrotzlen > Float::MIN_VALUE )
{
wrotz *= 1.f / wrotzlen;
float intens = intensity();
gd::LightState ls;
GdUtil::setLightState( ls,
gd::LightState::LIGHT_SPOT,
diffuseColor()*intens, specularColor()*intens, ambientColor()*intens,
wt.translation(), wrotz,
m_range, m_atten[0], m_atten[1], m_atten[2],
1.f, m_inner, m_outer );
gd::GraphicsDevice* dev = Context::device();
dev->addLight( ls );
}
}
void DirectLight::apply()
{
const Matrix4x4& wt = cachedWorldTransform();
Vector3 wrotz = Vector3( wt(0,2),wt(1,2),wt(2,2) );
float wrotzlen = wrotz.length();
if ( wrotzlen > Float::MIN_VALUE )
{
wrotz *= 1.f / wrotzlen;
float intens = intensity();
gd::LightState ls;
GdUtil::setLightState( ls,
gd::LightState::LIGHT_DIRECT,
diffuseColor()*intens, specularColor()*intens, ambientColor()*intens,
wt.translation(), wrotz.normalize(),
MAX_RANGE, 1.f, 0.f, 0.f,
1.f, MAX_CONE_ANGLE, MAX_CONE_ANGLE );
gd::GraphicsDevice* dev = Context::device();
dev->addLight( ls );
}
}
void Lighting2D::init(glm::vec2 _screenSize, GE::Camera2D* _mainCamera){
screenSize = _screenSize;
mainCamera = _mainCamera;
camera.init(glm::ivec2(screenSize));
camera.setPosition(glm::vec2(0));
camera.setScale(camera.getScale());
camera.update();
shader.compileShaders("shaders/lighting2D.vert", "shaders/lighting2D.frag");
shader.addAttribute("vertexPosition");
shader.addAttribute("vertexColor");
shader.linkShaders();
ColorRGBA8 ambientColor(0, 0, 0, 255);
vertexArray.init();
vertexArray.addVertex(glm::vec2(-screenSize.x / 2, -screenSize.y / 2), ambientColor);
vertexArray.addVertex(glm::vec2(screenSize.x / 2, -screenSize.y / 2), ambientColor);
vertexArray.addVertex(glm::vec2(screenSize.x / 2, screenSize.y / 2), ambientColor);
vertexArray.addVertex(glm::vec2(-screenSize.x / 2, -screenSize.y / 2), ambientColor);
vertexArray.addVertex(glm::vec2(screenSize.x / 2, screenSize.y / 2), ambientColor);
vertexArray.addVertex(glm::vec2(-screenSize.x / 2, screenSize.y / 2), ambientColor);
shadows.init();
glGenBuffers(1, &lUBO);
glBindBuffer(GL_UNIFORM_BUFFER, lUBO);
glBufferData(GL_UNIFORM_BUFFER, TMPNL * sizeof(Light2D), nullptr, GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
GLuint lIx = glGetUniformBlockIndex(shader.getProgramID(), "lightBlock");
glUniformBlockBinding(shader.getProgramID(), lIx, 2);
glBindBufferBase(GL_UNIFORM_BUFFER, 2, lUBO);
glGenBuffers(1, &ecUBO);
glBindBuffer(GL_UNIFORM_BUFFER, ecUBO);
glBufferData(GL_UNIFORM_BUFFER, TMPNL * TMPNS * sizeof(ExCor), nullptr, GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
GLuint exIx = glGetUniformBlockIndex(shader.getProgramID(), "shadowClippingBlock");
glUniformBlockBinding(shader.getProgramID(), exIx, 3);
glBindBufferBase(GL_UNIFORM_BUFFER, 3, ecUBO);
glGenBuffers(1, &sdUBO);
glBindBuffer(GL_UNIFORM_BUFFER, sdUBO);
glBufferData(GL_UNIFORM_BUFFER, TMPNS * sizeof(ShadowData), nullptr, GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
GLuint sdIx = glGetUniformBlockIndex(shader.getProgramID(), "shadowDataBlock");
glUniformBlockBinding(shader.getProgramID(), sdIx, 4);
glBindBufferBase(GL_UNIFORM_BUFFER, 4, sdUBO);
float size = TMPNL * sizeof(Light2D)+TMPNL * TMPNS * sizeof(ExCor)+TMPNS * sizeof(ShadowData);
std::cout << size << std::endl;
}
MaterialData ModelLoader::loadMaterial(unsigned int index, const aiMaterial* material)
{
Q_ASSERT(material != nullptr);
MaterialData data = MaterialData();
data.name = "material_" + to_string(index);
aiColor3D ambientColor(0.1f, 0.1f, 0.1f);
aiColor3D diffuseColor(0.8f, 0.8f, 0.8f);
aiColor3D specularColor(0.0f, 0.0f, 0.0f);
aiColor3D emissiveColor(0.0f, 0.0f, 0.0f);
int blendMode;
int twoSided = 1;
float opacity = 1.0f;
float shininess = 0.0f;
float shininessStrength = 1.0f;
if(material->Get(AI_MATKEY_COLOR_AMBIENT, ambientColor) == AI_SUCCESS)
{
data.ambientColor.setX(ambientColor.r);
data.ambientColor.setY(ambientColor.g);
data.ambientColor.setZ(ambientColor.b);
}
if(material->Get(AI_MATKEY_COLOR_DIFFUSE, diffuseColor) == AI_SUCCESS)
{
data.diffuseColor.setX(diffuseColor.r);
data.diffuseColor.setY(diffuseColor.g);
data.diffuseColor.setZ(diffuseColor.b);
}
if(material->Get(AI_MATKEY_COLOR_SPECULAR, specularColor) == AI_SUCCESS)
{
data.specularColor.setX(specularColor.r);
data.specularColor.setY(specularColor.g);
data.specularColor.setZ(specularColor.b);
}
if(material->Get(AI_MATKEY_COLOR_EMISSIVE, emissiveColor) == AI_SUCCESS)
{
data.emissiveColor.setX(emissiveColor.r);
data.emissiveColor.setY(emissiveColor.g);
data.emissiveColor.setZ(emissiveColor.b);
}
if(material->Get(AI_MATKEY_TWOSIDED, twoSided) == AI_SUCCESS)
{
data.twoSided = twoSided;
}
if(material->Get(AI_MATKEY_OPACITY, opacity) == AI_SUCCESS)
{
data.ambientColor.setW(opacity);
data.diffuseColor.setW(opacity);
data.specularColor.setW(opacity);
data.emissiveColor.setW(opacity);
if(opacity < 1.0f)
{
data.alphaBlending = true;
// Activate backface culling allows to avoid
// cull artifacts when alpha blending is activated
data.twoSided = 1;
if(material->Get(AI_MATKEY_BLEND_FUNC, blendMode) == AI_SUCCESS)
{
if(blendMode == aiBlendMode_Additive)
data.blendMode = aiBlendMode_Additive;
else
data.blendMode = aiBlendMode_Default;
}
}
else
{
data.alphaBlending = false;
data.blendMode = -1;
}
}
if(material->Get(AI_MATKEY_SHININESS, shininess) == AI_SUCCESS)
{
data.shininess = shininess;
}
if(material->Get(AI_MATKEY_SHININESS_STRENGTH, shininessStrength) == AI_SUCCESS)
{
data.shininessStrength = shininessStrength;
}
return data;
}
MStatus anisotropicShaderNode::compute( const MPlug& plug, MDataBlock& block )
{
if ((plug == aOutColor) || (plug.parent() == aOutColor))
{
MFloatVector resultColor(0.0,0.0,0.0);
MFloatVector diffuseColor( 0.0,0.0,0.0 );
MFloatVector specularColor( 0.0,0.0,0.0 );
MFloatVector ambientColor( 0.0,0.0,0.0 );
// get matrix
MFloatMatrix& matrixOToW = block.inputValue( aMatrixOToW ).asFloatMatrix();
MFloatMatrix& matrixWToC = block.inputValue( aMatrixWToC ).asFloatMatrix();
// spin scratch around this vector (in object space )
MFloatVector& A = block.inputValue( aAxesVector ).asFloatVector();
A.normalize();
// spin scratch around this vector (in world space )
MFloatVector wa = A * matrixOToW;
wa.normalize();
// spin scratch around this vector (in camera space )
MFloatVector ca = wa * matrixWToC;
ca.normalize();
MFloatVector& surfacePoint = block.inputValue( aPointCamera ).asFloatVector();
// get sample surface shading parameters
MFloatVector& N = block.inputValue( aNormalCamera ).asFloatVector();
MFloatVector& surfaceColor = block.inputValue( aColor ).asFloatVector();
float diffuseReflectivity = block.inputValue( aDiffuseReflectivity ).asFloat();
float specularCoeff = block.inputValue( aSpecularCoeff ).asFloat();
// get light list
MArrayDataHandle lightData = block.inputArrayValue( aLightData );
int numLights = lightData.elementCount();
// iterate through light list and get ambient/diffuse values
for( int count=0; count < numLights; count++ ) {
MDataHandle currentLight = lightData.inputValue();
MFloatVector& lightIntensity =
currentLight.child( aLightIntensity ).asFloatVector();
MFloatVector& lightDirection =
currentLight.child( aLightDirection ).asFloatVector();
// find ambient component
if( currentLight.child(aLightAmbient).asBool()) {
ambientColor[0] += lightIntensity[0] * surfaceColor[0];
ambientColor[1] += lightIntensity[1] * surfaceColor[1];
ambientColor[2] += lightIntensity[2] * surfaceColor[2];
}
float cosln = lightDirection * N;
if( cosln > 0.0f ){ // illuminated!
// find diffuse component
if( currentLight.child(aLightDiffuse).asBool()) {
float cosDif = cosln * diffuseReflectivity;
diffuseColor[0] += lightIntensity[0] * cosDif * surfaceColor[0];
diffuseColor[1] += lightIntensity[1] * cosDif * surfaceColor[1];
diffuseColor[2] += lightIntensity[2] * cosDif * surfaceColor[2];
}
// find specular component
if( currentLight.child( aLightSpecular).asBool()){
MFloatVector& rayDirection = block.inputValue( aRayDirection ).asFloatVector();
MFloatVector viewDirection = -rayDirection;
MFloatVector half = calcHalfVector( viewDirection, lightDirection );
// Beckmann function
MFloatVector nA;
if( fabs(1.0-fabs(N*ca)) <= 0.0001f ){
MFloatPoint oo( 0.0,0.0,0.0 );
MFloatPoint ow = oo * matrixOToW;
MFloatPoint oc = ow * matrixWToC;
MFloatVector origin( oc[0], oc[1], oc[2] );
nA = origin - surfacePoint;
nA.normalize();
}else{
nA = ca;
}
MFloatVector x = N ^ nA;
x.normalize();
MFloatVector y = N ^ x;
y.normalize();
MFloatVector azimuthH = N ^ half;
azimuthH = N ^ azimuthH;
azimuthH.normalize();
float cos_phai = x * azimuthH;
float sin_phai = 0.0;
if( fabs(1 - cos_phai*cos_phai) < 0.0001 ){
sin_phai = 0.0;
}else{
sin_phai = sqrtf( 1.0f - cos_phai*cos_phai );
}
double co = pow( (half * N), 4.0f );
double t = tan( acos(half*N) );
t *= -t;
float rough1 = block.inputValue( aRoughness1 ).asFloat();
float rough2 = block.inputValue( aRoughness2 ).asFloat();
double aaa = cos_phai / rough1;
double bbb = sin_phai / rough2;
t = t * ( aaa*aaa + bbb*bbb );
double D = pow( (1.0/((double)rough1*(double)rough2 * co)), t );
double aa = (2.0 * (N*half) * (N*viewDirection) ) / (viewDirection*half);
double bb = (2.0 * (N*half) * (N*lightDirection) ) / (viewDirection*half);
double cc = 1.0;
double G = 0.0;
G = MIN( aa, bb );
G = MIN( G, cc );
float s = (float) (D * G /
(double)((N*lightDirection) * (N*viewDirection)));
MFloatVector& specColor = block.inputValue( aSpecColor ).asFloatVector();
specularColor[0] += lightIntensity[0] * specColor[0] *
s * specularCoeff;
specularColor[1] += lightIntensity[1] * specColor[1] *
s * specularCoeff;
specularColor[2] += lightIntensity[2] * specColor[2] *
s * specularCoeff;
}
}
if( !lightData.next() ){
break;
}
}
// result = specular + diffuse + ambient;
resultColor = diffuseColor + specularColor + ambientColor;
MFloatVector& transparency = block.inputValue( aInTransparency ).asFloatVector();
resultColor[0] *= ( 1.0f - transparency[0] );
resultColor[1] *= ( 1.0f - transparency[1] );
resultColor[2] *= ( 1.0f - transparency[2] );
// set ouput color attribute
MDataHandle outColorHandle = block.outputValue( aOutColor );
MFloatVector& outColor = outColorHandle.asFloatVector();
outColor = resultColor;
outColorHandle.setClean();
block.setClean( plug );
}
else if ((plug == aOutTransparency) || (plug.parent() == aOutTransparency))
{
MFloatVector& tr = block.inputValue( aInTransparency ).asFloatVector();
// set ouput color attribute
MDataHandle outTransHandle = block.outputValue( aOutTransparency );
MFloatVector& outTrans = outTransHandle.asFloatVector();
outTrans = tr;
block.setClean( plug );
} else
return MS::kUnknownParameter;
return MS::kSuccess;
}
// Execute OpenGL Material
void GLC_Material::glExecute(float overwriteTransparency)
{
GLfloat pAmbientColor[4]= {ambientColor().redF(),
ambientColor().greenF(),
ambientColor().blueF(),
overwriteTransparency};
GLfloat pDiffuseColor[4]= {diffuseColor().redF(),
diffuseColor().greenF(),
diffuseColor().blueF(),
overwriteTransparency};
GLfloat pSpecularColor[4]= {specularColor().redF(),
specularColor().greenF(),
specularColor().blueF(),
overwriteTransparency};
GLfloat pLightEmission[4]= {emissiveColor().redF(),
emissiveColor().greenF(),
emissiveColor().blueF(),
overwriteTransparency};
const bool textureIsEnable= glIsEnabled(GL_TEXTURE_2D);
if (m_pTexture != NULL)
{
if (!textureIsEnable) glEnable(GL_TEXTURE_2D);
m_pTexture->glcBindTexture();
if (GLC_State::glslUsed())
{
if (GLC_Shader::hasActiveShader())
{
GLC_Shader::currentShaderHandle()->programShaderHandle()->setUniformValue("tex", GLint(0));
GLC_Shader::currentShaderHandle()->programShaderHandle()->setUniformValue("useTexture", true);
}
}
}
else
{
if (textureIsEnable) glDisable(GL_TEXTURE_2D);
if (GLC_State::glslUsed())
{
if (GLC_Shader::hasActiveShader())
{
GLC_Shader::currentShaderHandle()->programShaderHandle()->setUniformValue("tex", GLint(0));
GLC_Shader::currentShaderHandle()->programShaderHandle()->setUniformValue("useTexture", false);
}
}
}
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, pAmbientColor);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, pDiffuseColor);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, pSpecularColor);
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, pLightEmission);
glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, &m_Shininess);
glColor4fv(pDiffuseColor);
// OpenGL Error handler
GLenum error= glGetError();
if (error != GL_NO_ERROR)
{
GLC_OpenGlException OpenGlException("GLC_Material::glExecute(float overwriteTransparency) ", error);
throw(OpenGlException);
}
}
void Material::ExportMaterials(FbxScene* scene, FbxMesh* mesh, const ImporterMesh& importedMesh, const ImporterMaterial* importedMaterials)
{
for (int i = 0; i < importedMesh.material_count; i++)
{
FbxNode* node = mesh->GetNode();
FbxString materialName = importedMaterials[importedMesh.material_Id[i]].name;
FbxString shadingName;
FbxDouble3 diffuseColor(importedMaterials[importedMesh.material_Id[i]].diffuse[0], importedMaterials[importedMesh.material_Id[i]].diffuse[1], importedMaterials[importedMesh.material_Id[i]].diffuse[2]);
FbxDouble3 ambientColor(importedMaterials[importedMesh.material_Id[i]].ambient[0], importedMaterials[importedMesh.material_Id[i]].ambient[1], importedMaterials[importedMesh.material_Id[i]].ambient[2]);
FbxDouble3 emissiveColor(importedMaterials[importedMesh.material_Id[i]].incandescence[0], importedMaterials[importedMesh.material_Id[i]].incandescence[1], importedMaterials[importedMesh.material_Id[i]].incandescence[2]);
FbxDouble3 transparencyColor(importedMaterials[importedMesh.material_Id[i]].transparency_color[0], importedMaterials[importedMesh.material_Id[i]].transparency_color[1], importedMaterials[importedMesh.material_Id[i]].transparency_color[2]);
FbxDouble3 specularColor(importedMaterials[importedMesh.material_Id[i]].specular[0], importedMaterials[importedMesh.material_Id[i]].specular[1] , importedMaterials[importedMesh.material_Id[i]].specular[2]);
const char* pathName = "C://Users/Litet/Documents/GitHub/SmallGameProject/FBX Export/FBX Export/";
// Lambert
if (importedMaterials[importedMesh.material_Id[i]].mtrl_type == 0)
{
shadingName = "Lambert";
FbxSurfaceLambert* material = NULL;
material= node->GetSrcObject<FbxSurfaceLambert>(0);
material = FbxSurfaceLambert::Create(scene, materialName.Buffer());
materialName += i;
material->Emissive.Set(emissiveColor);
material->Ambient.Set(ambientColor);
material->Diffuse.Set(diffuseColor);
material->DiffuseFactor.Set(importedMaterials[importedMesh.material_Id[i]].diffuse_factor);
material->TransparentColor.Set(transparencyColor);
FbxNode* node = mesh->GetNode();
if (node)
{
node->AddMaterial(material);
}
// Diffuse Texture
FbxFileTexture* texture = FbxFileTexture::Create(scene, "Diffuse Texture");
std::cout << "DAFUSE MAP LENGTH: " << importedMaterials[importedMesh.material_Id[i]].duffuse_map_length << std::endl;
if (importedMaterials[importedMesh.material_Id[i]].duffuse_map_length > 0)
{
std::string tmp(pathName);
tmp += importedMaterials[importedMesh.material_Id[i]].diffuse_map;
texture->SetFileName(tmp.c_str());
texture->SetTextureUse(FbxTexture::eStandard);
texture->SetMappingType(FbxTexture::eUV);
texture->SetMaterialUse(FbxFileTexture::eModelMaterial);
texture->SetSwapUV(false);
texture->SetTranslation(0.0, 0.0);
texture->SetScale(1.0, 1.0);
texture->SetRotation(0.0, 0.0);
if (material)
material->Diffuse.ConnectSrcObject(texture);
}
// Normal Texture
texture = FbxFileTexture::Create(scene, "Normal Texture");
if (importedMaterials[importedMesh.material_Id[i]].normal_map_length > 0)
{
texture->SetFileName(importedMaterials[importedMesh.material_Id[i]].normal_map);
texture->SetTextureUse(FbxTexture::eStandard);
texture->SetMappingType(FbxTexture::eUV);
texture->SetMaterialUse(FbxFileTexture::eModelMaterial);
texture->SetSwapUV(false);
texture->SetTranslation(0.0, 0.0);
texture->SetScale(1.0, 1.0);
texture->SetRotation(0.0, 0.0);
if (material)
material->NormalMap.ConnectSrcObject(texture);
}
}
// Phong
else
{
shadingName = "Phong";
FbxSurfacePhong* material = NULL;
material = node->GetSrcObject<FbxSurfacePhong>(0);
material = FbxSurfacePhong::Create(scene, materialName.Buffer());
materialName += i;
material->Emissive.Set(emissiveColor);
material->Ambient.Set(ambientColor);
material->Diffuse.Set(diffuseColor);
material->DiffuseFactor.Set(importedMaterials[importedMesh.material_Id[i]].diffuse_factor);
material->TransparentColor.Set(transparencyColor);
material->Specular.Set(specularColor);
// No need... super boost?
//material->SpecularFactor.Set(importedMaterials[importedMesh.material_Id[i]].specular_factor * 100);
material->Shininess.Set(importedMaterials[importedMesh.material_Id[i]].specular_factor);
material->Reflection.Set(FbxDouble3(importedMaterials[importedMesh.material_Id[i]].reflection[0], importedMaterials[importedMesh.material_Id[i]].reflection[1], importedMaterials[importedMesh.material_Id[i]].reflection[2]));
// Bugged...?
material->ReflectionFactor.Set(FbxDouble(importedMaterials[importedMesh.material_Id[i]].reflection_factor));
cout << importedMaterials[importedMesh.material_Id[i]].shininess << endl;
FbxNode* node = mesh->GetNode();
if (node)
{
node->AddMaterial(material);
}
// Diffuse Texture
FbxFileTexture* texture = FbxFileTexture::Create(scene, "Diffuse Texture");
if (importedMaterials[importedMesh.material_Id[i]].duffuse_map_length > 0)
{
texture->SetFileName(importedMaterials[importedMesh.material_Id[i]].diffuse_map);
texture->SetTextureUse(FbxTexture::eStandard);
texture->SetMappingType(FbxTexture::eUV);
texture->SetMaterialUse(FbxFileTexture::eModelMaterial);
texture->SetSwapUV(false);
texture->SetTranslation(0.0, 0.0);
texture->SetScale(1.0, 1.0);
texture->SetRotation(0.0, 0.0);
if (material)
material->Diffuse.ConnectSrcObject(texture);
}
// Specular Texture
texture = FbxFileTexture::Create(scene, "Specular Texture");
if (importedMaterials[importedMesh.material_Id[i]].specular_map_length > 0)
{
texture->SetFileName(importedMaterials[importedMesh.material_Id[i]].specular_map);
texture->SetTextureUse(FbxTexture::eStandard);
texture->SetMappingType(FbxTexture::eUV);
texture->SetMaterialUse(FbxFileTexture::eModelMaterial);
texture->SetSwapUV(false);
texture->SetTranslation(0.0, 0.0);
texture->SetScale(1.0, 1.0);
texture->SetRotation(0.0, 0.0);
if (material)
material->Specular.ConnectSrcObject(texture);
}
// Normal Texture
texture = FbxFileTexture::Create(scene, "Normal Texture");
if (importedMaterials[importedMesh.material_Id[i]].normal_map_length > 0)
{
texture->SetFileName(importedMaterials[importedMesh.material_Id[i]].normal_map);
texture->SetTextureUse(FbxTexture::eStandard);
texture->SetMappingType(FbxTexture::eUV);
texture->SetMaterialUse(FbxFileTexture::eModelMaterial);
texture->SetSwapUV(false);
texture->SetTranslation(0.0, 0.0);
texture->SetScale(1.0, 1.0);
texture->SetRotation(0.0, 0.0);
if (material)
material->NormalMap.ConnectSrcObject(texture);
}
}
}
}
Color trace (const Ray& ray, std::set<IShape*>& sceneShapes,
std::set<Light*>& sceneLights, int depth)
{
Color pixelColor (0.3);
float near;
Color color;
Vector3D normal;
IShape *shape = calculateIntersect (ray, sceneShapes, &near, normal, color);
if (shape)
{
pixelColor = color;
Point intersectionPoint = ray.calculate (near);
Vector3D n;
Color c;
pixelColor = Color (0.0f);
//Calculate illumination on intersected pixel
for (auto light : sceneLights)
{
Vector3D lightDirection = (light->position () - intersectionPoint);
float lightLenght = lightDirection.normalize ();
const Ray shadowRay (intersectionPoint + normal * bias, lightDirection,
lightLenght);
float near = INFINITY;
IShape *s = calculateIntersect (shadowRay, sceneShapes, &near, n, c);
if (!s) //There is no object between the intersected pixel and this light.
{
float diffuseCoefficient = shape->diffuse ();
float specularCoefficient = shape->specular ();
pixelColor += ambientColor (color);
if (diffuseCoefficient > 0.0f)
pixelColor += diffuseColor (lightDirection, light, normal, color,
diffuseCoefficient);
if (specularCoefficient > 0.0f)
pixelColor += specularColor (lightDirection, normal, ray, light,
specularCoefficient);
}
else //Intersected pixel is shadowed!!!
{
pixelColor = color * 0.1;
break;
}
}
//Calculate the reflected color
if ((shape->reflection () > 0)
&& depth <= MAX_DEPTH)
{
Vector3D reflDir = ray.direction ()
- normal * 2 * ray.direction ().dot (normal);
reflDir.normalize ();
Ray reflectionRay (intersectionPoint + normal * bias, reflDir);
Color reflectionColor = trace (reflectionRay, sceneShapes, sceneLights,
depth + 1);
pixelColor += reflectionColor * shape->reflection ();
}
}
pixelColor.clamp ();
return pixelColor;
}
