(G00Opener): replaced TgaStream with IImageDecoder.

This commit is contained in:
morkt 2017-03-12 17:50:08 +04:00
parent 7b5359e9a8
commit e15754bf43

View File

@ -2,7 +2,7 @@
//! \date Wed May 04 13:21:19 2016 //! \date Wed May 04 13:21:19 2016
//! \brief RealLive engine multi-frame image. //! \brief RealLive engine multi-frame image.
// //
// Copyright (C) 2016 by morkt // Copyright (C) 2016-2017 by morkt
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
@ -28,6 +28,7 @@ using System.Collections.Generic;
using System.ComponentModel.Composition; using System.ComponentModel.Composition;
using System.IO; using System.IO;
using System.Linq; using System.Linq;
using System.Windows.Media;
namespace GameRes.Formats.RealLive namespace GameRes.Formats.RealLive
{ {
@ -79,18 +80,15 @@ namespace GameRes.Formats.RealLive
if (count <= 1 || count > 0x100) if (count <= 1 || count > 0x100)
return null; return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name); var base_name = Path.GetFileNameWithoutExtension (file.Name);
uint size = width * height * 4 + 0x12; // virtual TGA image size
uint index_offset = 9; uint index_offset = 9;
var dir = new List<Entry> (count); var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i) for (int i = 0; i < count; ++i)
{ {
var entry = new G00Entry { var entry = new G00Entry {
Name = string.Format ("{0}#{1:D3}.tga", base_name, i), Name = string.Format ("{0}#{1:D3}", base_name, i),
X = file.View.ReadInt32 (index_offset), X = file.View.ReadInt32 (index_offset),
Y = file.View.ReadInt32 (index_offset+4), Y = file.View.ReadInt32 (index_offset+4),
IsPacked = true,
UnpackedSize = size,
}; };
dir.Add (entry); dir.Add (entry);
index_offset += 0x18; index_offset += 0x18;
@ -116,46 +114,64 @@ namespace GameRes.Formats.RealLive
return new G00Archive (file, this, dir, info, bitmap); return new G00Archive (file, this, dir, info, bitmap);
} }
public override Stream OpenEntry (ArcFile arc, Entry entry) public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{ {
if (0 == entry.Size)
return Stream.Null;
var g00arc = (G00Archive)arc; var g00arc = (G00Archive)arc;
var g00ent = (G00Entry)entry; var g00ent = (G00Entry)entry;
using (var input = new BinMemoryStream (g00arc.Bitmap)) var input = new BinMemoryStream (g00arc.Bitmap);
{ return new G00TileDecoder (input, g00arc.ImageInfo, g00ent);
input.Position = g00ent.Offset; }
int tile_type = input.ReadUInt16();
int count = input.ReadUInt16();
if (tile_type != 1)
throw new InvalidFormatException();
input.Seek (0x70, SeekOrigin.Current);
int dst_stride = (int)g00arc.ImageInfo.Width * 4;
var pixels = new byte[(int)g00arc.ImageInfo.Height * dst_stride];
for (int i = 0; i < count; ++i)
{
int tile_x = input.ReadUInt16();
int tile_y = input.ReadUInt16();
input.ReadInt16();
int tile_width = input.ReadUInt16();
int tile_height = input.ReadUInt16();
input.Seek (0x52, SeekOrigin.Current);
tile_x += g00ent.X; public override Stream OpenEntry (ArcFile arc, Entry entry)
tile_y += g00ent.Y; {
if (tile_x + tile_width > g00arc.ImageInfo.Width || var g00arc = (G00Archive)arc;
tile_y + tile_height > g00arc.ImageInfo.Height) return new BinMemoryStream (g00arc.Bitmap, (int)entry.Offset, (int)entry.Size);
throw new InvalidFormatException(); }
int dst = tile_y * dst_stride + tile_x * 4; }
int tile_stride = tile_width * 4;
for (int row = 0; row < tile_height; ++row) internal sealed class G00TileDecoder : BinaryImageDecoder
{ {
input.Read (pixels, dst, tile_stride); private G00Entry g00ent;
dst += dst_stride;
} public G00TileDecoder (IBinaryStream input, ImageMetaData info, G00Entry entry)
: base (input, info)
{
g00ent = entry;
}
protected override ImageData GetImageData ()
{
m_input.Position = g00ent.Offset;
int tile_type = m_input.ReadUInt16();
int count = m_input.ReadUInt16();
if (tile_type != 1)
throw new InvalidFormatException();
m_input.Seek (0x70, SeekOrigin.Current);
int dst_stride = (int)Info.Width * 4;
var pixels = new byte[(int)Info.Height * dst_stride];
for (int i = 0; i < count; ++i)
{
int tile_x = m_input.ReadUInt16();
int tile_y = m_input.ReadUInt16();
m_input.ReadInt16();
int tile_width = m_input.ReadUInt16();
int tile_height = m_input.ReadUInt16();
m_input.Seek (0x52, SeekOrigin.Current);
tile_x += g00ent.X;
tile_y += g00ent.Y;
if (tile_x + tile_width > Info.Width ||
tile_y + tile_height > Info.Height)
throw new InvalidFormatException();
int dst = tile_y * dst_stride + tile_x * 4;
int tile_stride = tile_width * 4;
for (int row = 0; row < tile_height; ++row)
{
m_input.Read (pixels, dst, tile_stride);
dst += dst_stride;
} }
return TgaStream.Create (g00arc.ImageInfo, pixels);
} }
return ImageData.Create (Info, PixelFormats.Bgra32, null, pixels, dst_stride);
} }
} }
} }