110 lines
2.4 KiB
C++
110 lines
2.4 KiB
C++
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/************************************************************
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*
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* File Name: ModelDef.Cpp
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*
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* Description: CModelDef is essentially a CModelFile, except
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* that the data is stored in a more convenient
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* way. To create a CModelDef, call
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* CModelFile::ReadModelDef();
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*
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************************************************************/
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#include "ModelDef.h"
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CModelDef::CModelDef()
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{
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m_pVertices = NULL;
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m_pFaces = NULL;
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m_pBones = NULL;
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m_pAnimationKeys = NULL;
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m_pAnimationFrames = NULL;
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m_pAnimations = NULL;
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m_NumVertices = 0;
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m_NumFaces = 0;
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m_NumBones = 0;
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m_NumAnimationKeys = 0;
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m_NumAnimationFrames = 0;
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m_NumAnimations = 0;
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}
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CModelDef::~CModelDef()
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{
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Destroy();
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}
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void CModelDef::Destroy()
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{
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if (m_pVertices)
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delete [] m_pVertices;
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if (m_pFaces)
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delete [] m_pFaces;
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if (m_pBones)
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delete [] m_pBones;
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if (m_pAnimationKeys)
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delete [] m_pAnimationKeys;
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if (m_pAnimationFrames)
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delete [] m_pAnimationFrames;
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if (m_pAnimations)
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delete [] m_pAnimations;
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m_pVertices = NULL;
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m_pFaces = NULL;
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m_pBones = NULL;
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m_pAnimationKeys = NULL;
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m_pAnimationFrames = NULL;
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m_pAnimations = NULL;
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m_NumVertices = 0;
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m_NumFaces = 0;
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m_NumBones = 0;
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m_NumAnimationKeys = 0;
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m_NumAnimationFrames = 0;
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m_NumAnimations = 0;
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}
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void CModelDef::SetupBones()
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{
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for (int i=0; i<m_NumBones; i++)
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{
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SModelBone *pBone = &m_pBones[i];
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pBone->m_Relative.SetIdentity();
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pBone->m_Absolute.SetIdentity();
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pBone->m_Relative.RotateX (pBone->m_Rotation.X);
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pBone->m_Relative.RotateY (pBone->m_Rotation.Y);
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pBone->m_Relative.RotateZ (pBone->m_Rotation.Z);
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// pBone->m_Relative.RotateX (DEGTORAD(90));
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pBone->m_Relative.Translate (pBone->m_Position);
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if (pBone->m_Parent >= 0)
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{
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SModelBone *pParent = &m_pBones[pBone->m_Parent];
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pBone->m_Absolute = pParent->m_Absolute * pBone->m_Relative;
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}
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else
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pBone->m_Absolute = pBone->m_Relative;
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}
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//we need to "un-transform" all the vertices by the initial
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//pose of the bones they are attached to.
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for (i=0; i<m_NumVertices; i++)
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{
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SModelVertex *pVertex = &m_pVertices[i];
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SModelBone *pBone = &m_pBones[pVertex->m_Bone];
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CVector3D BonePos = pBone->m_Absolute.GetTranslation();
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pVertex->m_Coords.X -= BonePos.X;
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pVertex->m_Coords.Y -= BonePos.Y;
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pVertex->m_Coords.Z -= BonePos.Z;
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CMatrix3D BoneInvMat = pBone->m_Absolute.GetTranspose();
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pVertex->m_Coords = BoneInvMat.Rotate (pVertex->m_Coords);
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}
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}
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