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FBXExporter: Use scene metadata for global settings 

Models with non-standard axes and scale are not imported and exported
correctly if the input metadata is ignored.
pull/3292/head
Ryan Styrczula 2020-06-22 14:26:37 -04:00 committed by Ryan Styrczula
parent aff5bba9da
commit 6619ec8253
1 changed files with 76 additions and 17 deletions
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93
code/AssetLib/FBX/FBXExporter.cpp
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@ -400,6 +400,65 @@ void FBXExporter::WriteHeaderExtension ()
);
}
// WriteGlobalSettings helpers
void WritePropInt(const aiScene* scene, FBX::Node& p, const std::string& key, int defaultValue)
{
int value;
if (scene->mMetaData->Get(key, value)) {
p.AddP70int(key, value);
} else {
p.AddP70int(key, defaultValue);
}
}
void WritePropDouble(const aiScene* scene, FBX::Node& p, const std::string& key, double defaultValue)
{
double value;
if (scene->mMetaData->Get(key, value)) {
p.AddP70double(key, value);
} else {
// fallback lookup float instead
float floatValue;
if (scene->mMetaData->Get(key, floatValue)) {
p.AddP70double(key, (double)floatValue);
} else {
p.AddP70double(key, defaultValue);
}
}
}
void WritePropEnum(const aiScene* scene, FBX::Node& p, const std::string& key, int defaultValue)
{
int value;
if (scene->mMetaData->Get(key, value)) {
p.AddP70enum(key, value);
} else {
p.AddP70enum(key, defaultValue);
}
}
void WritePropColor(const aiScene* scene, FBX::Node& p, const std::string& key, const aiVector3D& defaultValue)
{
aiVector3D value;
if (scene->mMetaData->Get(key, value)) {
// ai_real can be float or double, cast to avoid warnings
p.AddP70color(key, (double)value.x, (double)value.y, (double)value.z);
} else {
p.AddP70color(key, 0.0, 0.0, 0.0);
}
}
void WritePropString(const aiScene* scene, FBX::Node& p, const std::string& key, const std::string& defaultValue)
{
aiString value; // MetaData doesn't hold std::string
if (scene->mMetaData->Get(key, value)) {
p.AddP70string(key, value.C_Str());
} else {
p.AddP70string(key, defaultValue);
}
}
void FBXExporter::WriteGlobalSettings ()
{
if (!binary) {
@ -409,26 +468,26 @@ void FBXExporter::WriteGlobalSettings ()
gs.AddChild("Version", int32_t(1000));
FBX::Node p("Properties70");
p.AddP70int("UpAxis", 1);
p.AddP70int("UpAxisSign", 1);
p.AddP70int("FrontAxis", 2);
p.AddP70int("FrontAxisSign", 1);
p.AddP70int("CoordAxis", 0);
p.AddP70int("CoordAxisSign", 1);
p.AddP70int("OriginalUpAxis", 1);
p.AddP70int("OriginalUpAxisSign", 1);
p.AddP70double("UnitScaleFactor", 1.0);
p.AddP70double("OriginalUnitScaleFactor", 1.0);
p.AddP70color("AmbientColor", 0.0, 0.0, 0.0);
p.AddP70string("DefaultCamera", "Producer Perspective");
p.AddP70enum("TimeMode", 11);
p.AddP70enum("TimeProtocol", 2);
p.AddP70enum("SnapOnFrameMode", 0);
WritePropInt(mScene, p, "UpAxis", 1);
WritePropInt(mScene, p, "UpAxisSign", 1);
WritePropInt(mScene, p, "FrontAxis", 2);
WritePropInt(mScene, p, "FrontAxisSign", 1);
WritePropInt(mScene, p, "CoordAxis", 0);
WritePropInt(mScene, p, "CoordAxisSign", 1);
WritePropInt(mScene, p, "OriginalUpAxis", 1);
WritePropInt(mScene, p, "OriginalUpAxisSign", 1);
WritePropDouble(mScene, p, "UnitScaleFactor", 1.0);
WritePropDouble(mScene, p, "OriginalUnitScaleFactor", 1.0);
WritePropColor(mScene, p, "AmbientColor", aiVector3D((ai_real)0.0, (ai_real)0.0, (ai_real)0.0));
WritePropString(mScene, p,"DefaultCamera", "Producer Perspective");
WritePropEnum(mScene, p, "TimeMode", 11);
WritePropEnum(mScene, p, "TimeProtocol", 2);
WritePropEnum(mScene, p, "SnapOnFrameMode", 0);
p.AddP70time("TimeSpanStart", 0); // TODO: animation support
p.AddP70time("TimeSpanStop", FBX::SECOND); // TODO: animation support
p.AddP70double("CustomFrameRate", -1.0);
WritePropDouble(mScene, p, "CustomFrameRate", -1.0);
p.AddP70("TimeMarker", "Compound", "", ""); // not sure what this is
p.AddP70int("CurrentTimeMarker", -1);
WritePropInt(mScene, p, "CurrentTimeMarker", -1);
gs.AddChild(p);
gs.Dump(outfile, binary, 0);