private void ParseCameraPos(byte[] data, int cameraPosCount)
{
var hasMasks = new bool[cameraPosCount];
var cameraPos = new RdtCameraPos[cameraPosCount];
var maskGroupHeaders = new RdtMaskGroupsHeader[cameraPosCount];
var maskGroups = new RdtMaskGroup[cameraPosCount][];
//3d Array... it might be better just creating handler/Container types...
var masks = new RdtRectMask[cameraPosCount][][];
_room.masks = masks;
for (var i = 0; i < cameraPosCount; i++)
{
var cameraPosOffset = Marshal.SizeOf(typeof(RdtHeader)) + i * Marshal.SizeOf(typeof(RdtCameraPos));
cameraPos[i] = MarshalIntoStructure <RdtCameraPos>(data, cameraPosOffset);
if (cameraPos[i].masks_offset == uint.MaxValue)
{
continue;
}
var maskGroupsHeaderOffset = (int)cameraPos[i].masks_offset;
maskGroupHeaders[i] = MarshalIntoStructure <RdtMaskGroupsHeader>(data, maskGroupsHeaderOffset);
var maskGroupCount = maskGroupHeaders[i].count_Groups;
//If there is mask for that camera position
if (maskGroupCount <= 0 || maskGroupCount == ushort.MaxValue)
{
continue;
}
hasMasks[i] = true;
var masksOffset = maskGroupsHeaderOffset + Marshal.SizeOf(typeof(RdtMaskGroupsHeader));
masksOffset += maskGroupCount * Marshal.SizeOf(typeof(RdtMaskGroup));
masks[i] = new RdtRectMask[maskGroupCount][];
maskGroups[i] = new RdtMaskGroup[maskGroupCount];
for (var j = 0; j < maskGroupCount; j++)
{
var maskGroupOffset = maskGroupsHeaderOffset + Marshal.SizeOf(typeof(RdtMaskGroupsHeader));
maskGroupOffset += j * Marshal.SizeOf(typeof(RdtMaskGroup));
maskGroups[i][j] = MarshalIntoStructure <RdtMaskGroup>(data, maskGroupOffset);
//Process and parse the masks themselve - Return a new mask offset
masksOffset = ParseMaskGroup(data, masksOffset, maskGroups[i][j].count, i, j);
}
}
_room.hasMasks = hasMasks;
_room.cameraPos = cameraPos;
_room.cameraMasks = maskGroupHeaders;
_room.maskGroups = maskGroups;
}
private int ParseMaskGroup(byte[] data, int maskOffset, int masksCount, int camPosIndex, int groupIndex)
{
_room.masks[camPosIndex][groupIndex] = new RdtRectMask[masksCount];
for (var i = 0; i < masksCount; i++)
{
var rectMask = new RdtRectMask();
var sqrMask = MarshalIntoStructure <RdtSquareMask>(data, maskOffset);
// var fourBitSize = (ushort) (sqrMask.size & 0x0000000000001111);
// Debug.Log(fourBitSize);
// if (fourBitSize == 0)
if (sqrMask.size == 0)
{
rectMask = MarshalIntoStructure <RdtRectMask>(data, maskOffset);
// rectMask.width *= 2;
// rectMask.height *= 2;
maskOffset += Marshal.SizeOf(typeof(RdtRectMask));
}
else
{
rectMask.u = sqrMask.u;
rectMask.v = sqrMask.v;
rectMask.x = sqrMask.x;
rectMask.y = sqrMask.y;
rectMask.depth = sqrMask.depth;
// rectMask.width = rectMask.height = (ushort) (fourBitSize * 8);
rectMask.width = rectMask.height = (ushort)(sqrMask.size / 2);
maskOffset += Marshal.SizeOf(typeof(RdtSquareMask));
}
_room.masks[camPosIndex][groupIndex][i] = rectMask;
}
return(maskOffset);
}