mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-25 04:14:13 +08:00
294 lines
12 KiB
C#
294 lines
12 KiB
C#
//! \file ImagePGX.cs
|
|
//! \date Tue Dec 08 02:50:45 2015
|
|
//! \brief Glib2 image format.
|
|
//
|
|
// Copyright (C) 2015 by morkt
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//
|
|
|
|
using GameRes.Utility;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.Diagnostics;
|
|
using System.Drawing;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Windows.Media;
|
|
|
|
namespace GameRes.Formats.Glib2
|
|
{
|
|
internal class PgxMetaData : ImageMetaData
|
|
{
|
|
public int PackedSize;
|
|
public int Flags;
|
|
}
|
|
|
|
internal class StxLayerInfo
|
|
{
|
|
public string Path;
|
|
public Rectangle? Rect;
|
|
public string Effect;
|
|
public int Blend;
|
|
}
|
|
|
|
[Export(typeof(ImageFormat))]
|
|
public class PgxFormat : ImageFormat
|
|
{
|
|
public override string Tag { get { return "PGX"; } }
|
|
public override string Description { get { return "Glib2 engine image format"; } }
|
|
public override uint Signature { get { return 0x00584750; } } // 'PGX'
|
|
|
|
static readonly InfoReader InfoCache = new InfoReader();
|
|
|
|
public override ImageMetaData ReadMetaData (IBinaryStream stream)
|
|
{
|
|
var header = stream.ReadHeader (0x18);
|
|
return new PgxMetaData
|
|
{
|
|
Width = header.ToUInt32 (8),
|
|
Height = header.ToUInt32 (12),
|
|
BPP = (header.ToInt16 (0x10) & 1) == 0 ? 24 : 32,
|
|
PackedSize = header.ToInt32 (0x14),
|
|
Flags = header.ToUInt16 (0x12),
|
|
};
|
|
}
|
|
|
|
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
|
|
{
|
|
var meta = (PgxMetaData)info;
|
|
stream.Position = 0x20;
|
|
if (0 != (meta.Flags & 0x1000))
|
|
{
|
|
ReadGms (stream);
|
|
}
|
|
PixelFormat format = 32 == meta.BPP ? PixelFormats.Bgra32 : PixelFormats.Bgr32;
|
|
int stride = (int)meta.Width * 4;
|
|
var pixels = new byte[stride * (int)meta.Height];
|
|
// stream.Seek (-meta.PackedSize, SeekOrigin.End);
|
|
LzssUnpack (stream, pixels);
|
|
var layer = InfoCache.GetInfo (info.FileName);
|
|
if (null != layer && null != layer.Rect)
|
|
{
|
|
info.OffsetX = layer.Rect.Value.X;
|
|
info.OffsetY = layer.Rect.Value.Y;
|
|
}
|
|
return ImageData.Create (info, format, null, pixels);
|
|
}
|
|
|
|
void ReadGms (IBinaryStream input)
|
|
{
|
|
var header = new byte[0x10];
|
|
if (0x10 != input.Read (header, 0, 0x10))
|
|
throw new EndOfStreamException();
|
|
byte swap = header[13];
|
|
header[13] = header[9];
|
|
header[9] = swap;
|
|
swap = header[15];
|
|
header[15] = header[11];
|
|
header[11] = swap;
|
|
swap = header[4];
|
|
header[4] = header[8];
|
|
header[8] = swap;
|
|
swap = header[6];
|
|
header[6] = header[10];
|
|
header[10] = swap;
|
|
int unpacked_size = LittleEndian.ToInt32 (header, 12);
|
|
var gms_info = new byte[unpacked_size];
|
|
LzssUnpack (input, gms_info);
|
|
|
|
// foreach (byte in gms_info) byte ^= 0xFF
|
|
// decrypted array contains image meta data (see InfoReader class)
|
|
}
|
|
|
|
public override void Write (Stream file, ImageData image)
|
|
{
|
|
throw new System.NotImplementedException ("PgxFormat.Write not implemented");
|
|
}
|
|
|
|
static void LzssUnpack (IBinaryStream input, byte[] output)
|
|
{
|
|
var frame = new byte[0x1000];
|
|
int frame_pos = 0xFEE;
|
|
int dst = 0;
|
|
int bits = 1;
|
|
while (dst < output.Length)
|
|
{
|
|
if (1 == bits)
|
|
bits = input.ReadUInt8() | 0x100;
|
|
|
|
if (0 != (bits & 1))
|
|
{
|
|
byte b = input.ReadUInt8();
|
|
output[dst++] = b;
|
|
frame[frame_pos++] = b;
|
|
frame_pos &= 0xFFF;
|
|
}
|
|
else
|
|
{
|
|
byte lo = input.ReadUInt8();
|
|
byte hi = input.ReadUInt8();
|
|
int offset = (hi & 0xF0) << 4 | lo;
|
|
int count = Math.Min ((~hi & 0xF) + 3, output.Length-dst);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
byte b = frame[offset++ & 0xFFF];
|
|
output[dst++] = b;
|
|
frame[frame_pos++] = b;
|
|
frame_pos &= 0xFFF;
|
|
}
|
|
}
|
|
bits >>= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
internal class InfoReader
|
|
{
|
|
string m_last_info_dir;
|
|
Dictionary<string, StxLayerInfo> m_layer_map;
|
|
|
|
internal class StxEntry
|
|
{
|
|
public string FullName;
|
|
public string Name;
|
|
public int Attr;
|
|
public uint InfoOffset;
|
|
public uint InfoSize;
|
|
}
|
|
|
|
public StxLayerInfo GetInfo (string image_name)
|
|
{
|
|
try
|
|
{
|
|
var info_name = VFS.CombinePath (VFS.GetDirectoryName (image_name), "info");
|
|
if (!VFS.FileExists (info_name))
|
|
return null;
|
|
if (string.IsNullOrEmpty (m_last_info_dir)
|
|
|| string.Join (":", VFS.FullPath) != m_last_info_dir)
|
|
ParseInfo (info_name);
|
|
|
|
var layer_name = Path.GetFileName (image_name);
|
|
return GetLayerInfo (layer_name);
|
|
}
|
|
catch (Exception X)
|
|
{
|
|
Trace.WriteLine (X.Message, "[Glib2] STX parse error");
|
|
return null;
|
|
}
|
|
}
|
|
|
|
StxLayerInfo GetLayerInfo (string layer_name)
|
|
{
|
|
if (null == m_layer_map)
|
|
return null;
|
|
StxLayerInfo info;
|
|
m_layer_map.TryGetValue (layer_name, out info);
|
|
return info;
|
|
}
|
|
|
|
void ParseInfo (string info_name)
|
|
{
|
|
if (null == m_layer_map)
|
|
m_layer_map = new Dictionary<string, StxLayerInfo>();
|
|
else
|
|
m_layer_map.Clear();
|
|
|
|
using (var info = VFS.OpenView (info_name))
|
|
{
|
|
if (!info.View.AsciiEqual (0, "CDBD"))
|
|
return;
|
|
int count = info.View.ReadInt32 (4);
|
|
uint current_offset = 0x10;
|
|
uint info_base = current_offset + info.View.ReadUInt32 (8);
|
|
uint info_total_size = info.View.ReadUInt32 (12);
|
|
info.View.Reserve (0, info_base+info_total_size);
|
|
uint names_base = current_offset + (uint)count * 0x18;
|
|
var dir = new List<StxEntry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
uint name_offset = names_base + info.View.ReadUInt32 (current_offset);
|
|
int parent_dir = info.View.ReadInt32 (current_offset+8);
|
|
int attr = info.View.ReadInt32 (current_offset+0xC);
|
|
uint info_offset = info.View.ReadUInt32 (current_offset+0x10);
|
|
uint info_size = info.View.ReadUInt32 (current_offset+0x14);
|
|
|
|
var name = info.View.ReadString (name_offset, info_base-name_offset);
|
|
string path_name = name;
|
|
if (parent_dir != -1)
|
|
path_name = Path.Combine (dir[parent_dir].FullName, path_name);
|
|
|
|
if (attr != -1 && info_size != 0)
|
|
info_offset += info_base;
|
|
var entry = new StxEntry {
|
|
FullName = path_name,
|
|
Name = name,
|
|
Attr = attr,
|
|
InfoOffset = info_offset,
|
|
InfoSize = info_size,
|
|
};
|
|
if (name == "filename" && parent_dir != -1 && info_size != 0)
|
|
{
|
|
uint filename_length = info.View.ReadUInt32 (info_offset);
|
|
var filename = info.View.ReadString (info_offset+4, filename_length);
|
|
m_layer_map[filename] = new StxLayerInfo {
|
|
Path = dir[parent_dir].FullName + Path.DirectorySeparatorChar,
|
|
};
|
|
}
|
|
dir.Add (entry);
|
|
current_offset += 0x18;
|
|
}
|
|
foreach (var layer in m_layer_map.Values)
|
|
{
|
|
foreach (var field in dir.Where (e => e.Attr != -1 && e.FullName.StartsWith (layer.Path)))
|
|
{
|
|
if ("rect" == field.Name && 0x14 == field.InfoSize)
|
|
{
|
|
int left = info.View.ReadInt32 (field.InfoOffset+4);
|
|
int top = info.View.ReadInt32 (field.InfoOffset+8);
|
|
int right = info.View.ReadInt32 (field.InfoOffset+12);
|
|
int bottom = info.View.ReadInt32 (field.InfoOffset+16);
|
|
layer.Rect = new Rectangle (left, top, right-left, bottom-top);
|
|
}
|
|
else if ("effect" == field.Name && field.InfoSize > 4)
|
|
{
|
|
// "norm"
|
|
uint effect_length = info.View.ReadUInt32 (field.InfoOffset);
|
|
layer.Effect = info.View.ReadString (field.InfoOffset+4, effect_length);
|
|
if (layer.Effect != "norm")
|
|
Trace.WriteLine (string.Format ("{0}: {1}effect = {2}",
|
|
info_name, layer.Path, layer.Effect), "[Glib2.STX]");
|
|
}
|
|
else if ("blend" == field.Name && 4 == field.InfoSize)
|
|
{
|
|
// 0xFF -> opaque
|
|
layer.Blend = info.View.ReadInt32 (field.InfoOffset);
|
|
if (layer.Blend != 0xFF)
|
|
Trace.WriteLine (string.Format ("{0}: {1}blend = {2}",
|
|
info_name, layer.Path, layer.Blend), "[Glib2.STX]");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
m_last_info_dir = string.Join (":", VFS.FullPath);
|
|
}
|
|
}
|
|
}
|