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Got 90 percent solution for exporting camera data

pull/3580/head
Trevor David Black 2020-04-20 11:55:46 -07:00
parent f9f2d617a2
commit 1045fb7798
1 changed files with 48 additions and 10 deletions
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54
code/Pbrt/PbrtExporter.cpp
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@ -207,13 +207,11 @@ void PbrtExporter::WriteMetaData() {
}
void PbrtExporter::WriteSceneWide() {
// Cameras
// Cameras & Film
WriteCameras();
// Samplers
// Film
// Filters
// Integrators
@ -256,14 +254,52 @@ void PbrtExporter::WriteCamera(int i) {
<< camera->mName.C_Str() << std::endl;
// Get camera aspect ratio
// IMMEDIATELY
float aspect = camera->mAspect;
if(aspect == 0){
mOutput << "# No aspect ratio set, defaulting to 4/3" << std::endl;
aspect = 4.0/3.0;
}
if(!cameraActive)
mOutput << "# ";
mOutput << "\"float aspect_" << camera->mName.C_Str() << "\" ["
<< aspect << "]" << std::endl;
// Get camera hfov
// Get camera fov
if (!cameraActive)
mOutput << "# ";
mOutput << "\"float hfov_" << camera->mName.C_Str() << "\" ["
if (aspect >= 1.0) {
mOutput << "\"float fov_" << camera->mName.C_Str() << "\" ["
<< AI_RAD_TO_DEG(camera->mHorizontalFOV)
<< "]" << std::endl;
} else {
mOutput << "\"float fov_" << camera->mName.C_Str() << "\" ["
<< AI_RAD_TO_DEG(camera->mHorizontalFOV * aspect)
<< "]" << std::endl;
}
// Get Film xres and yres
if(!cameraActive)
mOutput << "# ";
mOutput << "\"integer xres_" << camera->mName.C_Str() << "\" ["
<< (int)640 << "]" << std::endl;
if(!cameraActive)
mOutput << "# ";
mOutput << "\"integer yres_" << camera->mName.C_Str() << "\" ["
<< (int)round(640/aspect) << "]" << std::endl;
// Print Film for this camera
if (!cameraActive)
mOutput << "# ";
mOutput << "Film \"image\" " << std::endl;
if (!cameraActive)
mOutput << "# ";
mOutput << " \"integer xresolution\" \"xres_"
<< camera->mName.C_Str() << "\"" << std::endl;
if (!cameraActive)
mOutput << "# ";
mOutput << " \"integer yresolution\" \"yres_"
<< camera->mName.C_Str() << "\"" << std::endl;
// Get Camera clipping planes?
// TODO
@ -272,7 +308,6 @@ void PbrtExporter::WriteCamera(int i) {
// Isn't optimally efficient, but is the simplest implementation
// Get camera node
auto cameraNode = mScene->mRootNode->FindNode(camera->mName);
if (!cameraNode) {
mOutput << "# ERROR: Camera declared but not found in scene tree" << std::endl;
}
@ -301,7 +336,10 @@ void PbrtExporter::WriteCamera(int i) {
}
// Print camera descriptor
if(!cameraActive)
mOutput << "# ";
mOutput << "Camera \"perspective\" \"float fov\" "
<< "\"fov_" << camera->mName.C_Str() << "\"" << std::endl;
}