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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
#ifndef SKELETAL_ANIM
#define SKELETAL_ANIM
#include <PsFastXml.h>
#include <vector>
#include "TriangleMesh.h"
#include "ApexDefs.h"
namespace MESHIMPORT
{
};
namespace nvidia
{
namespace apex
{
class RenderDebugInterface;
class RenderMeshAssetAuthoring;
}
}
namespace mimp
{
class MeshSystemContainer;
};
namespace Samples
{
class TriangleMesh;
// ---------------------------------------------------------------------------
struct SkeletalBone
{
void clear();
std::string name;
int id;
physx::PxTransform pose;
physx::PxVec3 scale;
int parent;
int firstChild;
int numChildren;
int firstVertex;
physx::PxMat44 bindWorldPose;
physx::PxMat44 invBindWorldPose;
physx::PxMat44 currentWorldPose;
int boneOption;
float inflateConvex;
float minimalBoneWeight;
int numShapes;
bool selected;
bool isRoot; // this is used for localspace sim
bool isRootLock; // this is used to lock the translation of the rootbone
bool allowPrimitives;
bool dirtyParams;
bool manualShapes;
};
struct BoneKeyFrame
{
void clear();
physx::PxTransform relPose;
float time;
physx::PxVec3 scale;
};
struct BoneTrack
{
void clear();
int firstFrame;
int numFrames;
};
struct SkeletalAnimation
{
void clear();
std::string name;
std::vector<BoneTrack> mBoneTracks;
float minTime;
float maxTime;
};
// ---------------------------------------------------------------------------
class SkeletalAnim : public physx::shdfnd::FastXml::Callback
{
public:
SkeletalAnim();
virtual ~SkeletalAnim();
void clear();
void copyFrom(const SkeletalAnim& anim);
bool loadFromXML(const std::string& xmlFile, std::string& error);
bool saveToXML(const std::string& xmlFile) const;
bool loadFromParent(const SkeletalAnim* parent);
bool loadFromMeshImport(mimp::MeshSystemContainer* msc, std::string& error, bool onlyAddAnimation);
bool saveToMeshImport(mimp::MeshSystemContainer* msc);
bool initFrom(nvidia::apex::RenderMeshAssetAuthoring& rma);
void setBindPose();
void setAnimPose(int animNr, float time, bool lockRootbone = false);
const std::vector<SkeletalBone> &getBones() const
{
return mBones;
}
void setBoneCollision(uint32_t boneNr, int option);
void setBoneSelected(uint32_t boneNr, bool selected)
{
mBones[boneNr].selected = selected;
}
void setBoneRoot(uint32_t boneNr, bool isRoot)
{
mBones[boneNr].isRoot = isRoot;
}
void setBoneAllowPrimitives(uint32_t boneNr, bool on)
{
mBones[boneNr].dirtyParams |= mBones[boneNr].allowPrimitives != on;
mBones[boneNr].allowPrimitives = on;
}
void setBoneInflation(uint32_t boneNr, float value)
{
mBones[boneNr].inflateConvex = value;
}
void setBoneMinimalWeight(uint32_t boneNr, float value)
{
mBones[boneNr].dirtyParams |= mBones[boneNr].minimalBoneWeight != value;
mBones[boneNr].minimalBoneWeight = value;
}
void setBoneDirty(uint32_t boneNr, bool on)
{
mBones[boneNr].dirtyParams = on;
}
void setBoneManualShapes(uint32_t boneNr, bool on)
{
mBones[boneNr].manualShapes = on;
}
const std::vector<int> &getChildren() const
{
return mChildren;
}
const std::vector<physx::PxMat44>& getSkinningMatrices() const
{
return mSkinningMatrices;
}
const std::vector<physx::PxMat44>& getSkinningMatricesWorld() const
{
return mSkinningMatricesWorld;
}
const std::vector<SkeletalAnimation*> &getAnimations() const
{
if (mParent != NULL)
{
return mParent->getAnimations();
}
return mAnimations;
}
void draw(nvidia::RenderDebugInterface* batcher);
void clearShapeCount(int boneIndex = -1);
void incShapeCount(int boneIndex);
void decShapeCount(int boneIndex);
void setRagdoll(bool on);
virtual bool processElement(const char* elementName, const char* elementData, const physx::shdfnd::FastXml::AttributePairs& attr, int lineno);
virtual bool processComment(const char* comment) // encountered a comment in the XML
{
PX_UNUSED(comment);
return true;
}
virtual bool processClose(const char* element, uint32_t depth, bool& isError) // process the 'close' indicator for a previously encountered element
{
PX_UNUSED(element);
PX_UNUSED(depth);
isError = false;
return true;
}
virtual void* fastxml_malloc(uint32_t size)
{
return ::malloc(size);
}
virtual void fastxml_free(void* mem)
{
::free(mem);
}
private:
void init(bool firstTime);
void initBindPoses(int boneNr, const physx::PxVec3& scale);
void setAnimPoseRec(int animNr, int boneNr, float time, bool lockBoneTranslation);
void interpolateBonePose(int animNr, int boneNr, float time, physx::PxTransform& pose, physx::PxVec3& scale);
int findBone(const std::string& name);
void setupConnectivity();
// skeleton
std::vector<SkeletalBone> mBones;
std::vector<physx::PxMat44> mSkinningMatrices;
std::vector<physx::PxMat44> mSkinningMatricesWorld;
std::vector<int> mChildren;
// animation
std::vector<SkeletalAnimation*> mAnimations;
std::vector<BoneKeyFrame> mKeyFrames;
const SkeletalAnim* mParent;
bool ragdollMode;
};
} // namespace Samples
#endif
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