assimp/code/AssetLib/USD/USDLoaderImplTinyusdzHelper.cpp

/*
Open Asset Import Library (assimp)
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All rights reserved.

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  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
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  following disclaimer in the documentation and/or other
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* Neither the name of the assimp team, nor the names of its
  contributors may be used to endorse or promote products
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  written permission of the assimp team.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*/

#ifndef ASSIMP_BUILD_NO_USD_IMPORTER
#include "USDLoaderImplTinyusdzHelper.h"

#include "../../../contrib/tinyusdz/assimp_tinyusdz_logging.inc"

namespace {
//const char *const TAG = "tinyusdz helper";
}

using ChannelType = tinyusdz::tydra::AnimationChannel::ChannelType;
std::string Assimp::tinyusdzAnimChannelTypeFor(ChannelType animChannel) {
    switch (animChannel) {
    case ChannelType::Transform: {
        return "Transform";
    }
    case ChannelType::Translation: {
        return "Translation";
    }
    case ChannelType::Rotation: {
        return "Rotation";
    }
    case ChannelType::Scale: {
        return "Scale";
    }
    case ChannelType::Weight: {
        return "Weight";
    }
    default:
        return "Invalid";
    }
}

using tinyusdz::tydra::NodeType;
std::string Assimp::tinyusdzNodeTypeFor(NodeType type) {
    switch (type) {
    case NodeType::Xform: {
        return "Xform";
    }
    case NodeType::Mesh: {
        return "Mesh";
    }
    case NodeType::Camera: {
        return "Camera";
    }
    case NodeType::Skeleton: {
        return "Skeleton";
    }
    case NodeType::PointLight: {
        return "PointLight";
    }
    case NodeType::DirectionalLight: {
        return "DirectionalLight";
    }
    case NodeType::EnvmapLight: {
        return "EnvmapLight";
    }
    default:
        return "Invalid";
    }
}

aiMatrix4x4 Assimp::tinyUsdzMat4ToAiMat4(const double matIn[4][4]) {
    aiMatrix4x4 matOut;
    matOut.a1 = matIn[0][0];
    matOut.a2 = matIn[0][1];
    matOut.a3 = matIn[0][2];
    matOut.a4 = matIn[0][3];
    matOut.b1 = matIn[1][0];
    matOut.b2 = matIn[1][1];
    matOut.b3 = matIn[1][2];
    matOut.b4 = matIn[1][3];
    matOut.c1 = matIn[2][0];
    matOut.c2 = matIn[2][1];
    matOut.c3 = matIn[2][2];
    matOut.c4 = matIn[2][3];
    matOut.d1 = matIn[3][0];
    matOut.d2 = matIn[3][1];
    matOut.d3 = matIn[3][2];
    matOut.d4 = matIn[3][3];
//    matOut.a1 = matIn[0][0];
//    matOut.a2 = matIn[1][0];
//    matOut.a3 = matIn[2][0];
//    matOut.a4 = matIn[3][0];
//    matOut.b1 = matIn[0][1];
//    matOut.b2 = matIn[1][1];
//    matOut.b3 = matIn[2][1];
//    matOut.b4 = matIn[3][1];
//    matOut.c1 = matIn[0][2];
//    matOut.c2 = matIn[1][2];
//    matOut.c3 = matIn[2][2];
//    matOut.c4 = matIn[3][2];
//    matOut.d1 = matIn[0][3];
//    matOut.d2 = matIn[1][3];
//    matOut.d3 = matIn[2][3];
//    matOut.d4 = matIn[3][3];
    return matOut;
}

aiVector3D Assimp::tinyUsdzScaleOrPosToAssimp(const std::array<float, 3> &scaleOrPosIn) {
    return aiVector3D(scaleOrPosIn[0], scaleOrPosIn[1], scaleOrPosIn[2]);
}

aiQuaternion Assimp::tinyUsdzQuatToAiQuat(const std::array<float, 4> &quatIn) {
    // tinyusdz "quat" is x,y,z,w
    // aiQuaternion is w,x,y,z
    return aiQuaternion(
            quatIn[3], quatIn[0], quatIn[1], quatIn[2]);
}

#endif // !! ASSIMP_BUILD_NO_USD_IMPORTER