70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: SkeletonAnimDef.cpp
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "pmdexp_types.h"
|
|
#include "SkeletonAnimDef.h"
|
|
#include "FilePacker.h"
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
// CSkeletonAnimDef constructor
|
|
CSkeletonAnimDef::CSkeletonAnimDef() : m_Keys(0), m_NumKeys(0), m_NumFrames(0), m_FrameTime(0)
|
|
{
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
// CSkeletonAnimDef destructor
|
|
CSkeletonAnimDef::~CSkeletonAnimDef()
|
|
{
|
|
delete[] m_Keys;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
// BuildBoneMatrices: build matrices for all bones at the given time (in MS) in this
|
|
// animation
|
|
void CSkeletonAnimDef::BuildBoneMatrices(float time,CMatrix3D* matrices) const
|
|
{
|
|
float fstartframe=time/m_FrameTime;
|
|
u32 startframe=u32(time/m_FrameTime);
|
|
float deltatime=fstartframe-startframe;
|
|
|
|
startframe%=m_NumFrames;
|
|
|
|
u32 endframe=startframe+1;
|
|
endframe%=m_NumFrames;
|
|
|
|
u32 i;
|
|
for (i=0;i<m_NumKeys;i++) {
|
|
const Key& startkey=GetKey(startframe,i);
|
|
const Key& endkey=GetKey(endframe,i);
|
|
|
|
CVector3D trans=startkey.m_Translation*(1-deltatime)+endkey.m_Translation*deltatime;
|
|
CQuaternion rot;
|
|
rot.Slerp(startkey.m_Rotation,endkey.m_Rotation,deltatime);
|
|
|
|
matrices[i].SetIdentity();
|
|
matrices[i].Rotate(rot);
|
|
matrices[i].Translate(trans);
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////
|
|
// Save: try to save anim to file
|
|
void CSkeletonAnimDef::Save(const char* filename,const CSkeletonAnimDef* anim)
|
|
{
|
|
CFilePacker packer;
|
|
|
|
// pack up all the data
|
|
packer.PackString(anim->m_Name);
|
|
packer.PackRaw(&anim->m_FrameTime,sizeof(anim->m_FrameTime));
|
|
packer.PackRaw(&anim->m_NumKeys,sizeof(anim->m_NumKeys));
|
|
packer.PackRaw(&anim->m_NumFrames,sizeof(anim->m_NumFrames));
|
|
packer.PackRaw(anim->m_Keys,anim->m_NumKeys*anim->m_NumFrames*sizeof(Key));
|
|
|
|
// now write it
|
|
packer.Write(filename,FILE_VERSION,"PSSA");
|
|
}
|
|
|
|
|