private static int EncodeEntry(int index, AnimDataFormat format, KeyframeCollection kf, VoidPtr addr)
{
int numFrames = kf.FrameLimit;
KeyframeEntry frame, root = kf._keyArrays[index]._keyRoot;
bfloat * pVal = (bfloat *)addr;
float val, frameScale = numFrames <= 1 ? 1 : 1.0f / (numFrames - 1);
float min, max, stride, step;
int span, i;
int keyCount = kf._keyArrays[index]._keyCount;
if (format == AnimDataFormat.L4)
{
//Use all frames, just in case not all frames are key.
for (i = 0; i < numFrames; i++)
{
*pVal++ = kf[i, index];
}
return(numFrames * 4);
}
if (format == AnimDataFormat.I12)
{
I12Header *header = (I12Header *)addr;
* header = new I12Header(keyCount, frameScale);
I12Entry *entry = header->Data;
for (frame = root._next; frame._index != -1; frame = frame._next)
{
*entry++ = new I12Entry(frame._index, frame._value, frame._tangent);
}
return(keyCount * 12 + 8);
}
//Get floor/ceil/stride
min = float.MaxValue;
max = float.MinValue;
for (frame = root._next; frame != root; frame = frame._next)
{
val = frame._value;
if (val > max)
{
max = val;
}
if (val < min)
{
min = val;
}
}
stride = max - min;
if (format == AnimDataFormat.L1)
{
//Find best span
span = EvalSpan(255, 32, min, stride, root, true);
step = stride / span;
L1Header *header = (L1Header *)addr;
* header = new L1Header(step, min);
byte *dPtr = header->Data;
for (i = 0; i < numFrames; i++)
{
*dPtr++ = (byte)((kf[i, index] - min) / step + 0.5f);
}
//Fill remaining bytes
while ((i++ & 3) != 0)
{
*dPtr++ = 0;
}
return((8 + numFrames).Align(4));
}
if (format == AnimDataFormat.I4)
{
//Find best span
span = EvalSpan(4095, 32, min, stride, root, false);
step = stride / span;
I4Header *header = (I4Header *)addr;
* header = new I4Header(keyCount, frameScale, step, min);
I4Entry *entry = header->Data;
for (frame = root._next; frame._index != -1; frame = frame._next)
{
val = (frame._value - min) / step;
val += val < 0 ? -0.5f : 0.5f;
*entry++ = new I4Entry(frame._index, (int)val, frame._tangent);
}
return(keyCount * 4 + 16);
}
if (format == AnimDataFormat.I6)
{
//Find best span
span = EvalSpan(65535, 32, min, stride, root, false);
step = stride / span;
I6Header *header = (I6Header *)addr;
* header = new I6Header(keyCount, frameScale, step, min);
I6Entry *entry = header->Data;
for (frame = root._next; frame._index != -1; frame = frame._next)
{
val = (frame._value - min) / step;
val += val < 0 ? -0.5f : 0.5f;
*entry++ = new I6Entry(frame._index, (int)val, frame._tangent);
}
//Fill remaining bytes
if ((keyCount & 1) != 0)
{
entry->_data = 0;
}
return((keyCount * 6 + 16).Align(4));
}
return(0);
}
private static int EncodeEntry(int index, AnimDataFormat format, KeyframeCollection kf, VoidPtr addr)
{
int numFrames = kf._frameCount;
KeyframeEntry frame, root = kf._keyRoots[index];
bfloat* pVal = (bfloat*)addr;
float val, frameScale = numFrames <= 1 ? 1 : 1.0f / (numFrames - 1);
float min, max, stride, step;
int span, i;
int keyCount = kf._keyCounts[index];
KeyFrameMode mode = KeyFrameMode.ScaleX + index;
if (format == AnimDataFormat.L4)
{
//Use all frames, just in case not all frames are key.
for (i = 0; i < numFrames; i++)
*pVal++ = kf[mode, i];
return numFrames * 4;
}
if (format == AnimDataFormat.I12)
{
I12Header* header = (I12Header*)addr;
*header = new I12Header(keyCount, frameScale);
I12Entry* entry = header->Data;
for (frame = root._next; frame._index != -1; frame = frame._next)
*entry++ = new I12Entry(frame._index, frame._value, frame._tangent);
return keyCount * 12 + 8;
}
//Get floor/ceil/stride
min = float.MaxValue; max = float.MinValue;
for (frame = root._next; frame != root; frame = frame._next)
{
val = frame._value;
if (val > max) max = val;
if (val < min) min = val;
}
stride = max - min;
if (format == AnimDataFormat.L1)
{
//Find best span
span = EvalSpan(255, 32, min, stride, root, true, kf._linearRot);
step = stride / span;
L1Header* header = (L1Header*)addr;
*header = new L1Header(step, min);
byte* dPtr = header->Data;
for (i = 0; i < numFrames; i++)
*dPtr++ = (byte)((kf[mode, i] - min) / step + 0.5f);
//Fill remaining bytes
while ((i++ & 3) != 0)
*dPtr++ = 0;
return (8 + numFrames).Align(4);
}
if (format == AnimDataFormat.I4)
{
//Find best span
span = EvalSpan(4095, 32, min, stride, root, false, false);
step = stride / span;
I4Header* header = (I4Header*)addr;
*header = new I4Header(keyCount, frameScale, step, min);
I4Entry* entry = header->Data;
for (frame = root._next; frame._index != -1; frame = frame._next)
{
val = (frame._value - min) / step;
val += (val < 0 ? -0.5f : 0.5f);
*entry++ = new I4Entry(frame._index, (int)val, frame._tangent);
}
return keyCount * 4 + 16;
}
if (format == AnimDataFormat.I6)
{
//Find best span
span = EvalSpan(65535, 32, min, stride, root, false, false);
step = stride / span;
I6Header* header = (I6Header*)addr;
*header = new I6Header(keyCount, frameScale, step, min);
I6Entry* entry = header->Data;
for (frame = root._next; frame._index != -1; frame = frame._next)
{
val = ((frame._value - min) / step);
val += (val < 0 ? -0.5f : 0.5f);
*entry++ = new I6Entry(frame._index, (int)val, frame._tangent);
}
//Fill remaining bytes
if ((keyCount & 1) != 0)
entry->_data = 0;
return ((keyCount * 6) + 16).Align(4);
}
return 0;
}