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 void DecodeFrames(KeyframeCollection kf, void *dataAddr, AnimDataFormat format,
params int[] arrays)
{
int fCount;
float vStep, vBase;
switch (format)
{
case AnimDataFormat.I4:
{
I4Header *header = (I4Header *)dataAddr;
fCount = header->_entries;
vStep = header->_step;
vBase = header->_base;
foreach (int x in arrays)
{
I4Entry *entry = header->Data;
for (int i = 0; i < fCount; i++, entry++)
{
kf.SetFrameValue(x, entry->FrameIndex, vBase + entry->Step * vStep, true)._tangent =
entry->Tangent;
}
}
break;
}
case AnimDataFormat.I6:
{
I6Header *header = (I6Header *)dataAddr;
fCount = header->_numFrames;
vStep = header->_step;
vBase = header->_base;
foreach (int x in arrays)
{
I6Entry *entry = header->Data;
for (int i = 0; i < fCount; i++, entry++)
{
kf.SetFrameValue(x, entry->FrameIndex, vBase + entry->_step * vStep, true)._tangent =
entry->Tangent;
}
}
break;
}
case AnimDataFormat.I12:
{
I12Header *header = (I12Header *)dataAddr;
fCount = header->_numFrames;
foreach (int x in arrays)
{
I12Entry *entry = header->Data;
for (int i = 0; i < fCount; i++, entry++)
{
kf.SetFrameValue(x, (int)entry->_index, entry->_value, true)._tangent = entry->_tangent;
}
}
break;
}
case AnimDataFormat.L1:
{
L1Header *header = (L1Header *)dataAddr;
vStep = header->_step;
vBase = header->_base;
foreach (int x in arrays)
{
byte *sPtr = header->Data;
for (int i = 0; i < kf.FrameLimit; i++)
{
kf.SetFrameValue(x, i, vBase + *sPtr++ *vStep, true).GenerateTangent();
}
}
break;
}
case AnimDataFormat.L2:
{
L1Header *header = (L1Header *)dataAddr;
vStep = header->_step;
vBase = header->_base;
foreach (int x in arrays)
{
bushort *sPtr = (bushort *)header->Data;
for (int i = 0; i < kf.FrameLimit; i++)
{
kf.SetFrameValue(x, i, vBase + *sPtr++ *vStep, true).GenerateTangent();
}
}
break;
}
case AnimDataFormat.L4:
{
foreach (int x in arrays)
{
bfloat *sPtr = (bfloat *)dataAddr;
for (int i = 0; i < kf.FrameLimit; i++)
{
kf.SetFrameValue(x, i, *sPtr++, true).GenerateTangent();
}
}
break;
}
}
}
private static void DecodeCHR0Frames(KeyframeCollection kf, void *dataAddr, AnimDataFormat format, KeyFrameMode mode)
{
int fCount;
float vStep, vBase;
switch (format)
{
case AnimDataFormat.I4:
{
I4Header *header = (I4Header *)dataAddr;
fCount = header->_entries;
vStep = header->_step;
vBase = header->_base;
I4Entry *entry = header->Data;
for (int i = 0; i < fCount; i++, entry++)
{
kf.SetFrameValue(mode, entry->FrameIndex, vBase + (entry->Step * vStep))._tangent = entry->Tangent;
}
break;
}
case AnimDataFormat.I6:
{
I6Header *header = (I6Header *)dataAddr;
fCount = header->_numFrames;
vStep = header->_step;
vBase = header->_base;
I6Entry *entry = header->Data;
for (int i = 0; i < fCount; i++, entry++)
{
kf.SetFrameValue(mode, entry->FrameIndex, vBase + (entry->_step * vStep))._tangent = entry->Tangent;
}
break;
}
case AnimDataFormat.I12:
{
I12Header *header = (I12Header *)dataAddr;
fCount = header->_numFrames;
I12Entry *entry = header->Data;
for (int i = 0; i < fCount; i++, entry++)
{
kf.SetFrameValue(mode, (int)entry->_index, entry->_value)._tangent = entry->_tangent;
}
break;
}
case AnimDataFormat.L1:
{
L1Header *header = (L1Header *)dataAddr;
vStep = header->_step;
vBase = header->_base;
byte *sPtr = header->Data;
for (int i = 0; i < kf.FrameCount; i++)
{
kf[mode, i] = vBase + (*sPtr++ *vStep);
}
KeyframeEntry root = kf._keyRoots[(int)mode & 0xF];
for (KeyframeEntry entry = root._next; entry != root; entry = entry._next)
{
entry.GenerateTangent();
}
break;
}
case AnimDataFormat.L2:
{
L1Header *header = (L1Header *)dataAddr;
vStep = header->_step;
vBase = header->_base;
bushort *sPtr = (bushort *)header->Data;
for (int i = 0; i < kf.FrameCount; i++)
{
kf[mode, i] = vBase + (*sPtr++ *vStep);
}
KeyframeEntry root = kf._keyRoots[(int)mode & 0xF];
for (KeyframeEntry entry = root._next; entry != root; entry = entry._next)
{
entry.GenerateTangent();
}
break;
}
case AnimDataFormat.L4:
{
bfloat *sPtr = (bfloat *)dataAddr;
for (int i = 0; i < kf.FrameCount; i++)
{
kf[mode, i] = *sPtr++;
}
KeyframeEntry root = kf._keyRoots[(int)mode & 0xF];
for (KeyframeEntry entry = root._next; entry != root; entry = entry._next)
{
entry.GenerateTangent();
}
break;
}
}
}