74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
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#ifndef __EXPSKELETON_H
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#define __EXPSKELETON_H
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#include <vector>
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#include "MaxInc.h"
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#include "Matrix3D.h"
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#include "Vector3D.h"
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#include "Quaternion.h"
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#include "lib/types.h"
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class CSkeleton;
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class CSkeletonAnimDef;
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////////////////////////////////////////////////////////////////////////
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// ExpBone: bone type used during export
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class ExpBone
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{
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public:
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// MAX bone node
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INode* m_Node;
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// transform from object to this bones space at time 0
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CMatrix3D m_Transform;
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// translation relative to root bone at time 0
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CVector3D m_Translation;
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// rotation relative to root bone at time 0
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CQuaternion m_Rotation;
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// parent of this bone; 0 for root bone
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ExpBone* m_Parent;
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// children of this bone
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std::vector<ExpBone*> m_Children;
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};
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////////////////////////////////////////////////////////////////////////
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// ExpSkeleton:
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class ExpSkeleton
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{
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public:
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////////////////////////////////////////////////////////////////////////
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// static methods for skeleton creation, destruction and type queries:
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// build all skeletons from given root node
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static void BuildSkeletons(INode* node,std::vector<ExpSkeleton*>& skeletons);
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// return true if given node is a skeletal biped bone, else false
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static bool IsBone(INode* node);
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// return true if given node is biped footprints, else false
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static bool IsFootprints(INode* node);
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// return true if given node is the root of a skeleton, else false
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static bool IsSkeletonRoot(INode* node);
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public:
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// constructor, destructor
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ExpSkeleton();
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~ExpSkeleton();
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// search skeleton looking for matching bone using given node;
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// return index of given node in the skeleton, 0xff if not found
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u8 FindBoneByNode(INode* boneNode) const;
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// build and return a complete animation for this skeleton over given time range
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CSkeletonAnimDef* BuildAnimation(TimeValue start,TimeValue end,float rate);
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private:
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// traverse node heirachy adding bones to skeleton
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void Build(INode* node,ExpBone* parent=0);
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// calculate the translation and rotation values of the given bone,
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// relative to the root bone, at the given time
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void GetBoneTransformComponents(INode* node,TimeValue t,CVector3D& trans,CQuaternion& rot);
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public:
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// list of bones in skeleton; root bone is m_Bones[0]
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std::vector<ExpBone*> m_Bones;
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};
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#endif
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