void Camera::Setup(int viewportWidth, int viewportHeight) {
if (renderToTexture) {
BindFrameBufferObject();
glViewport(0, 0, fboWidth, fboHeight);
// currently this should only be true on depth rendering
//Disable color rendering, we only want to write to the Z-Buffer
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
} else {
glViewport(0, 0, viewportWidth, viewportHeight);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
glClearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (renderToTexture && framebufferTextureType == GL_TEXTURE_CUBE_MAP) {
glFrustum(left, right, bottom, top, nearPlane, farPlane);
} else if (cameraMode == PERSPECTIVE) {
glFrustum(left, right, bottom, top, nearPlane, farPlane);
} else {
glOrtho(left, right, bottom, top, nearPlane, farPlane);
}
glMatrixMode(GL_MODELVIEW);
SceneObject *sceneObject = GetOwner();
assert(sceneObject != NULL); // Cannot setup camera with it being owned by a scene object
glm::mat4 cameraMatrix = sceneObject->GetTransform()->GetLocalTransformInverse();
glLoadMatrixf(glm::value_ptr(cameraMatrix));
if (renderToTexture) {
// float modelView[16];
// float projection[16];
glm::mat4 pj;
glm::mat4 mv;
glGetFloatv(GL_MODELVIEW_MATRIX, glm::value_ptr(mv));
glGetFloatv(GL_PROJECTION_MATRIX, glm::value_ptr(pj));
// Moving from unit cube [-1,1] to [0,1]
glm::mat4 mat = glm::mat4(
0.5f, 0.0f, 0.0f, 0.0f,
0.0f, 0.5f, 0.0f, 0.0f,
0.0f, 0.0f, 0.5f, 0.0f,
0.5f, 0.5f, 0.5f, 1.0f);
shadowMatrix = mat * pj*mv;
}
glClear(clearMaskNative);
}
void Light::SetupLight(int lightIndex){
glEnable(GL_LIGHT0+lightIndex);
// Setup and enable light 0
glLightfv(GL_LIGHT0+lightIndex,GL_AMBIENT, glm::value_ptr(GetAmbient()));
glLightfv(GL_LIGHT0+lightIndex,GL_DIFFUSE, glm::value_ptr(GetDiffuse()));
glLightfv(GL_LIGHT0+lightIndex,GL_SPECULAR, glm::value_ptr(GetSpecular()));
glLighti(GL_LIGHT0+lightIndex, GL_SPOT_CUTOFF, spotCutoff);
glLightfv(GL_LIGHT0+lightIndex,GL_SPOT_DIRECTION, glm::value_ptr(spotDirection));
float w = 0;
if (GetLightType()==PointLight){
w = 1;
} else if (GetLightType()==DirectionalLight){
w = 0;
}
SceneObject *sceneObject = GetOwner();
assert(sceneObject != NULL);
glm::vec4 lightPos(sceneObject->GetTransform()->GetPosition(), w);
glLightfv(GL_LIGHT0+lightIndex,GL_POSITION, glm::value_ptr(lightPos));
}
SceneObject* parseNode(KFbxNode *node, int level = 0) {
KString s = node->GetName();
KFbxNodeAttribute::EAttributeType attributeType;
stringstream ss;
for (int i=0;i<level;i++){
ss<<" ";
}
SceneObject* sceneObject = NULL;
MeshComponent* ga = NULL;
if (node->GetNodeAttribute() == NULL){
ss<<"No node attribute"<<endl;
} else {
attributeType = node->GetNodeAttribute()->GetAttributeType();
switch (attributeType) {
case KFbxNodeAttribute::eMARKER:
ss<<"eMarker"<<endl;
break;
case KFbxNodeAttribute::eSKELETON:
ss<<"eSkeleton"<<endl;
break;
case KFbxNodeAttribute::eMESH:
{
KFbxMesh *fbxMesh = node->GetMesh();
KFbxVector4 *controlPoints = fbxMesh->GetControlPoints();
int polygonCount = fbxMesh->GetPolygonCount();
vector<glm::vec3> vertices;
vector<glm::vec3> normals;
vector<glm::vec2> texCords;
vector<int> polycount;
assert(fbxMesh->GetLayerCount(KFbxLayerElement::eNORMAL)==1); // assume only one normal layer
KFbxLayer *normalLayer = fbxMesh->GetLayer(0, KFbxLayerElement::eNORMAL);
KFbxLayerElementNormal *normalElement = normalLayer->GetNormals();
KFbxLayerElementArrayTemplate<KFbxVector4> *normalArray = &(normalElement->GetDirectArray());
int normalCount = normalArray->GetCount();
vector<int> indices;
assert(fbxMesh->GetControlPointsCount() <= USHRT_MAX);
for (int i=0;i<fbxMesh->GetControlPointsCount();i++){
glm::vec3 v = toVector(controlPoints[i]);
vertices.push_back(v);
v = toVector(normalArray->GetAt(i));
normals.push_back(v);
}
for (int i=0;i<polygonCount;i++){
int polygonSize = fbxMesh->GetPolygonSize(i);
polycount.push_back(polygonSize);
for (int j=0;j<polygonSize;j++){
if (j>2){
// if polygon size > 2 then add first and last index
// this triangulates the mesh
int first = fbxMesh->GetPolygonVertex(i,0);
int last = fbxMesh->GetPolygonVertex(i,j-1);
indices.push_back(first);
indices.push_back(last);
}
int polygonIndex = fbxMesh->GetPolygonVertex(i,j);
indices.push_back(polygonIndex);
/*KFbxVector4 vectorSrc = controlPoints[polygonIndex];
Vector3 vectorDst = toVector(vectorSrc);
vertices.push_back(vectorDst);
texCords.push_back(Vector2(0,0));
KFbxVector4 normalSrc = normalArray->GetAt(polygonIndex);
Vector3 normalDst = toVector(normalSrc);
normals.push_back(normalDst);*/
}
}
Mesh mesh;
ss<<"Creating mesh: vertices "<<vertices.size()<<" normals "<<normals.size()<<" indices "<<indices.size()<<endl;
mesh.SetVertices(vertices);
mesh.SetNormals(normals);
mesh.SetIndices(indices);
sceneObject = new SceneObject();
ga = new MeshComponent();
ga->SetMesh(&mesh);
sceneObject->AddCompnent(ga);
// Set translate
fbxDouble3 v3 = node->LclTranslation.Get();
glm::vec3 translate = toVector(v3);
sceneObject->GetTransform()->SetPosition(translate);
// Set rotation
v3 = node->LclRotation.Get();
glm::vec3 rotation = toVector(v3)*Mathf::DEGREE_TO_RADIAN;
sceneObject->GetTransform()->SetRotation(rotation);
// Set scale
v3 = node->LclScaling.Get();
glm::vec3 scale = toVector(v3);
sceneObject->GetTransform()->SetScale(scale);
}
break;
case KFbxNodeAttribute::eCAMERA:
ss<<"eCAMERA"<<endl;
break;
case KFbxNodeAttribute::eLIGHT:
ss<<"eLIGHT"<<endl;
break;
case KFbxNodeAttribute::eBOUNDARY:
ss<<"eBOUNDARY"<<endl;
break;
default:
ss<<s<<endl;
}
}
if (node->GetChildCount()>0){
for (int i=0;i<node->GetChildCount();i++){
SceneObject *res = parseNode(node->GetChild(i),level+1);
if (res!=NULL){
if (sceneObject == NULL){
sceneObject = new SceneObject();
}
sceneObject->AddChild(res);
}
}
}
DEBUG(ss.str());
return sceneObject;
}
