protected bool ReadImageInfoMain(BinaryReader br)
{
bool isComposite = false;
// Read image type:
UInt32 dword = br.ReadUInt32();
if (dword == 0x100)
{
isComposite = true;
Trace.WriteLine("Found a composite image");
//Logger.LogMessage(MsgLevel.DEBUG, "Found a composite image");
Debug.WriteLine("Found a composite image");
dword = br.ReadUInt32();
}
else if (dword == 0x0)
{
Trace.WriteLine(string.Format("Found end of composite image ({0})", _imageNumber));
// Logger.LogMessage(MsgLevel.DEBUG, string.Format("Found end of composite image ({0})", _imageNumber));
Debug.WriteLine(string.Format("Found end of composite image ({0})", _imageNumber));
_imageNumber = 0;
return(false);
}
switch (dword)
{
case 0x01: _imageType = AoWImageType.Type01_Picture08_0x01; break;
case 0x02: _imageType = AoWImageType.Type02_RLESprite08_0x02; break;
case 0x03: _imageType = AoWImageType.Type03_Sprite08_0x03; break;
case 0x10: _imageType = AoWImageType.Type16_Picture16_0x10; break;
case 0x11: _imageType = AoWImageType.Type17_RLESprite16_0x11; break;
case 0x12: _imageType = AoWImageType.Type18_TransparentRLESprite16_0x12; break;
case 0x16: _imageType = AoWImageType.Type22_Sprite16_0x16; break;
default:
throw new Exception(string.Format("Found unsupported type of image (0x{0:X})", dword));
}
// Read record format:
byte subId = br.ReadByte();
switch (subId)
{
// convert subtype 1 to 2
case 1: _subType = AoWImageSubType.SubType02; break;
case 2: _subType = AoWImageSubType.SubType02; break;
case 3: _subType = AoWImageSubType.SubType03; break;
default:
throw new Exception(string.Format("Found unsupported subtype (0x{0:X}) of image {1}", subId, _imageNumber));
}
// Read bitmap filename:
dword = br.ReadUInt32();
StringBuilder strb = new StringBuilder();
for (UInt32 i = 0; i < dword; ++i)
{
strb.Append((char)br.ReadSByte());
}
_name = strb.ToString();
// Read image size:
_cX = br.ReadInt32();
_cY = br.ReadInt32();
// Read image offset:
_xShift = br.ReadInt32();
_yShift = br.ReadInt32();
// Read instance number:
_instanceNumber = br.ReadInt32();
/*Logger.LogMessage(MsgLevel.DEBUG,
* string.Format("Image {0}({1}): '{2}', {3}, sub {4}, {5}x{6}", _imageNumber, _instanceNumber, _name, _imageType, subId, _cX, _cY));*/
Debug.WriteLine(string.Format("Image {0}({1}): '{2}', {3}, sub {4}, {5}x{6}", _imageNumber, _instanceNumber, _name, _imageType, subId, _cX, _cY));
// Read LoadMode byte:
dword = br.ReadByte();
switch (dword)
{
case 0: _loadMode = AoWLoadMode.lmInstant; break;
case 1: _loadMode = AoWLoadMode.lmWhenUsed; break;
case 2: _loadMode = AoWLoadMode.lmOnDemand; break;
case 3: _loadMode = AoWLoadMode.lmWhenReferenced; break;
default: _loadMode = AoWLoadMode.lmWhenUsed; break;
}
// Read image data size:
_imageDataSize = br.ReadInt32();
if (_imageDataSize < 0)
{
throw new Exception(string.Format("Invalid data size of image {0})", _imageNumber));
}
// Read image data offset:
// Not here if InfoByte is 1
if (subId != 1)
{
dword = br.ReadUInt32(); // I think I'll not use it
}
// Read image size again:
dword = br.ReadUInt32();
//Debug.Assert((int)dword == _cX + _xShift);
dword = br.ReadUInt32();
//Debug.Assert((int)dword == _cY + _yShift);
if (Is8bpp())
{
// Read unknownB byte:
dword = br.ReadByte();
Trace.WriteLine(string.Format("unknownB (0x{0:X})of image {1}", dword, _imageNumber));
if (_subType == AoWImageSubType.SubType03)
{
// Read unknownC int:
dword = br.ReadUInt32();
Trace.WriteLine(string.Format("unknownC (0x{0:X})of image {1}", dword, _imageNumber));
// Read unknownD int:
dword = br.ReadUInt32();
Trace.WriteLine(string.Format("unknownD (0x{0:X})of image {1}", dword, _imageNumber));
}
}
else
{
if (_subType == AoWImageSubType.SubType03)
{
// Read drawMode:
UInt32 drawMode = br.ReadUInt32();
// Read blendValue:
_blendValue = br.ReadInt32();
UInt32 showMode = drawMode & 0x000000FF;
UInt32 blendMode = (drawMode & 0x0000FF00) >> 8;
switch (showMode)
{
case 0x0: _showMode = AoWShowMode.smOpaque; break;
case 0x1: _showMode = AoWShowMode.smTransparent; break;
case 0x2: _showMode = AoWShowMode.smBlended; break;
default:
throw new Exception(string.Format("Invalid ShowMode 0x{0:X} of image {1})", showMode, _imageNumber));
}
switch (blendMode)
{
case 0x0: _blendMode = AoWBlendMode.bmUser; break;
case 0x1: _blendMode = AoWBlendMode.bmAlpha; break;
case 0x2: _blendMode = AoWBlendMode.bmBrighten; break;
case 0x3: _blendMode = AoWBlendMode.bmIntensity; break;
case 0x4: _blendMode = AoWBlendMode.bmShadow; break;
case 0x5: _blendMode = AoWBlendMode.bmLinearAlpha; break;
}
}
}
if (Is8bpp())
{
// Read palette index
if (subId != 1)
{
_numPalette = br.ReadInt32();
}
}
else
{
// Read pixelFormat:
dword = br.ReadUInt32();
if (dword != 0x56509310u)
{
throw new Exception(string.Format("Invalid PixelFormat 0x{0:X} of image {1})", dword, _imageNumber));
}
}
// See if there should be a bounding box present.
switch (_imageType)
{
case AoWImageType.Type02_RLESprite08_0x02:
case AoWImageType.Type03_Sprite08_0x03:
case AoWImageType.Type17_RLESprite16_0x11:
case AoWImageType.Type18_TransparentRLESprite16_0x12:
case AoWImageType.Type22_Sprite16_0x16:
{
// Read bounding box:
Int32 bbWidth = br.ReadInt32();
Int32 bbHeight = br.ReadInt32();
Int32 bbXOffset = br.ReadInt32();
Int32 bbYOffset = br.ReadInt32();
_boundingBox.Set(bbYOffset, bbXOffset, bbWidth + bbXOffset - 1, bbHeight + bbYOffset - 1);
// Read background colour
_originalBackgroundColour = br.ReadUInt32(); //RGB565 or index
}
break;
}
// See if there should be clip_x
switch (_imageType)
{
case AoWImageType.Type02_RLESprite08_0x02:
// Read clip_x, seem useless, set to 0
dword = br.ReadUInt32();
Trace.WriteLine(string.Format("clip_x (0x{0:X})of image {1}", dword, _imageNumber));
break;
case AoWImageType.Type17_RLESprite16_0x11:
case AoWImageType.Type18_TransparentRLESprite16_0x12:
{
dword = br.ReadUInt32();
switch (dword)
{
case 0: _clipXHack = AoWClipXHack.None; break;
//case AoW1Constants.clip_X_Structure: _clipXHack = AoWClipXHack.AsStructure; break;
//case AoW1Constants.clip_X_Mountain: _clipXHack = AoWClipXHack.AsMountain; break;
case AoW1Constants.clip_X_Item: _clipXHack = AoWClipXHack.AsItem; break;
case AoW1Constants.clip_X_ShieldsM: _clipXHack = AoWClipXHack.AsShieldsM; break;
case AoW1Constants.clip_X_TCMap: _clipXHack = AoWClipXHack.AsTCMap; break;
default:
_clipXHack = AoWClipXHack.None;
// Logger.LogMessage( MsgLevel.DEBUG, string.Format("unknown clip_x (0x{0:X8})of image {1}", dword, _imageNumber));
Debug.WriteLine(string.Format("unknown clip_x (0x{0:X8})of image {1}", dword, _imageNumber));
break;
}
}
break;
}
// Read image data if subtype == 1
if (subId == 1)
{
List <ColorPalette> palettes = null;
if (Is8bpp())
{
// I think there should be the palette
palettes = new List <ColorPalette>();
palettes.Add(AoW1Header.ReadPalette(br));
}
ReadImageData(br, palettes);
}
if (isComposite)
{
// read composite images
// read info data
AoW1Bitmap elem = null;
while (true)
{
elem = new AoW1Bitmap();
elem.ImageNumber = _imageNumber;
if (!elem.ReadImageInfoMain(br))
{
// End composite section
Debug.Assert(elem.ImageNumber == 0);
break;
}
_subImageList.Add(elem);
}
}
return(true);
} // end ReadImageInfo
