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https://github.com/crskycode/GARbro.git
synced 2025-01-11 12:39:16 +08:00
(TmrHiro.GrdFormat): implemented Huffman compression.
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morkt
parent
e8e53a7b0d
commit
f1b0c3d6b5
@ -96,7 +96,7 @@ namespace GameRes.Formats.TmrHiro
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entry.Name = Path.ChangeExtension (entry.Name, "ogg");
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entry.Type = "audio";
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}
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else if ((((signature & 0xFF) == 1 || (signature & 0xFF) == 2)) && "grd" == arc_name)
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else if ((((signature & 0xFF) == 1 || (signature & 0xFF) == 2)) && arc_name.EndsWith ("grd"))
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{
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entry.Name = Path.ChangeExtension (entry.Name, "grd");
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entry.Type = "image";
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@ -27,6 +27,7 @@ using GameRes.Utility;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Windows.Media;
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using System.Collections.Generic;
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namespace GameRes.Formats.TmrHiro
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{
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@ -63,6 +64,8 @@ namespace GameRes.Formats.TmrHiro
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int bpp = LittleEndian.ToUInt16 (header, 6);
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if (bpp != 24 && bpp != 32)
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return null;
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int screen_width = LittleEndian.ToUInt16 (header, 2);
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int screen_height = LittleEndian.ToUInt16 (header, 4);
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int left = LittleEndian.ToUInt16 (header, 8);
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int right = LittleEndian.ToUInt16 (header, 0xA);
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int top = LittleEndian.ToUInt16 (header, 0xC);
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@ -73,7 +76,7 @@ namespace GameRes.Formats.TmrHiro
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Height = (uint)(bottom-top),
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BPP = bpp,
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OffsetX = left,
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OffsetY = top,
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OffsetY = screen_height - bottom,
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AlphaSize = LittleEndian.ToInt32 (header, 0x10),
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RSize = LittleEndian.ToInt32 (header, 0x14),
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GSize = LittleEndian.ToInt32 (header, 0x18),
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@ -148,11 +151,20 @@ namespace GameRes.Formats.TmrHiro
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if (1 == m_pack_type)
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{
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UnpackRLE (src_size);
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UnpackRLE (m_input, src_size);
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}
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else
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{
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throw new System.NotImplementedException ("Huffman-compressed images not implemented");
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var data = UnpackHuffman (m_input);
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if (0xA2 == m_pack_type)
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{
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UnpackLZ77 (data, m_channel);
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}
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else
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{
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using (var mem = new MemoryStream (data))
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UnpackRLE (mem, data.Length);
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}
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}
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for (int y = (int)m_info.Height-1; y >= 0; --y)
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{
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@ -165,31 +177,132 @@ namespace GameRes.Formats.TmrHiro
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}
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}
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void UnpackRLE (int src_size)
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void UnpackRLE (Stream input, int src_size)
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{
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int src = 0;
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int dst = 0;
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while (src < src_size)
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{
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int count = m_input.ReadByte();
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int count = input.ReadByte();
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if (-1 == count)
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return;
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++src;
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if (count > 0x7F)
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{
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count &= 0x7F;
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byte v = (byte)m_input.ReadByte();
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byte v = (byte)input.ReadByte();
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++src;
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for (int i = 0; i < count; ++i)
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m_channel[dst++] = v;
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}
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else
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{
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m_input.Read (m_channel, dst, count);
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input.Read (m_channel, dst, count);
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src += count;
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dst += count;
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}
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}
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}
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static void UnpackLZ77 (byte[] input, byte[] output)
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{
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var special = input[8];
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int src = 12;
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int dst = 0;
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while (dst < output.Length)
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{
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byte b = input[src++];
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if (b == special)
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{
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byte offset = input[src++];
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if (offset != special)
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{
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byte count = input[src++];
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if (offset > special)
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--offset;
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Binary.CopyOverlapped (output, dst - offset, dst, count);
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dst += count;
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}
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else
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output[dst++] = offset;
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}
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else
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output[dst++] = b;
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}
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}
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const int RootNodeIndex = 0x1FE;
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int m_huffman_unpacked;
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byte[] UnpackHuffman (Stream input)
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{
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var tree = CreateHuffmanTree (input);
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var unpacked = new byte[m_huffman_unpacked];
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using (var bits = new LsbBitStream (input, true))
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{
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int dst = 0;
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while (dst < m_huffman_unpacked)
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{
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int node = RootNodeIndex;
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while (node > 0xFF)
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{
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if (0 != bits.GetNextBit())
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node = tree[node].Right;
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else
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node = tree[node].Left;
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}
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unpacked[dst++] = (byte)node;
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}
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}
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return unpacked;
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}
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HuffmanNode[] CreateHuffmanTree (Stream input)
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{
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var nodes = new HuffmanNode[0x200];
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var tree = new List<int> (0x100);
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using (var reader = new ArcView.Reader (input))
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{
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m_huffman_unpacked = reader.ReadInt32();
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reader.ReadInt32(); // packed_size
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for (int i = 0; i < 0x100; i++)
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{
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nodes[i].Freq = reader.ReadUInt32();
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AddNode (tree, nodes, i);
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}
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}
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int last_node = 0x100;
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while (tree.Count > 1)
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{
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int l = tree[0];
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tree.RemoveAt (0);
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int r = tree[0];
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tree.RemoveAt (0);
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nodes[last_node].Freq = nodes[l].Freq + nodes[r].Freq;
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nodes[last_node].Left = l;
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nodes[last_node].Right = r;
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AddNode (tree, nodes, last_node++);
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}
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return nodes;
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}
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static void AddNode (List<int> tree, HuffmanNode[] nodes, int index)
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{
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uint freq = nodes[index].Freq;
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int i;
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for (i = 0; i < tree.Count; ++i)
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if (nodes[tree[i]].Freq > freq)
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break;
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tree.Insert (i, index);
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}
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internal struct HuffmanNode
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{
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public uint Freq;
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public int Left;
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public int Right;
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}
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}
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}
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@ -221,6 +221,7 @@ Haruiro ☆ Communication ♪<br/>
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Hime to Majin to Koi Suru Tamashii<br/>
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Imouto Style<br/>
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Inaho no Mirai</br>
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Kourin no Machi, Lavender no Shoujo<br/>
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Mayoeru Futari to Sekai no Subete<br/>
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Mahoutsukai no Yoru<br/>
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Nakadashi Hara Maid series<br/>
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@ -237,6 +238,7 @@ Riding Incubus<br/>
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Seirei Tenshou<br/>
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Se-kirara<br/>
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Sharin no Kuni, Himawari no Shoujo<br/>
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Shokusai no Miyako<br/>
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Swan Song<br/>
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Zecchou Spiral!!<br/>
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</td></tr>
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@ -272,7 +274,10 @@ Shoujo Senki Soul Eater<br/>
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</td></tr>
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<tr class="odd"><td>*.prs</td><td><tt>YB</tt></td><td>No</td></tr>
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<tr class="odd"><td>*.way</td><td><tt>WADY</tt></td><td>No</td></tr>
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<tr><td>*.dat</td><td>-</td><td>No</td><td rowspan="2">M no Violet</td><td rowspan="2">Nanase Ren</td></tr>
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<tr><td>*.dat</td><td>-</td><td>No</td><td rowspan="2">M no Violet<br/>Snack Factory<br/></td><td rowspan="2">
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Nanase Ren<br/>
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Imouto ~Mitsutsubo Complete Edition~<br/>
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</td></tr>
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<tr><td>*</td><td><tt>gra</tt><br/><tt>mas</tt><br/><tt>dif</tt></td><td>No</td></tr>
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<tr class="odd"><td>*.ald</td><td>-</td><td>No</td><td rowspan="4">Alice Soft</td><td rowspan="4">
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Pastel Chime 3 Bind Seeker<br/>
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@ -563,6 +568,7 @@ Vampire Crusaders<br/>
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<tr><td>*.gpk+*.gtb<br/>*.vpk+*.vtb</td><td>-</td><td>No</td><td rowspan="3">Black Cyc</td><td rowspan="3">
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Before Dawn Daybreak ~Shinen no Utahime~<br/>
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Gun-Katana<br/>
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Jishou Seirei Majutsushi vs Shinsei Daiikkyuu Akuma<br/>
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Kurogane no Tsubasa ~The Alchemist's Story~<br/>
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Yami no Koe series<br/>
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</td></tr>
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@ -731,6 +737,7 @@ Suisei Tenshi Primaveil Zwei<br/>
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Wondering Repair!<br/>
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</td></tr>
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<tr><td>*.pac</td><td>-</td><td>No</td><td>Tmr-Hiro ADV System</td><td>
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Gokkun Athlete! Kyonyuu Medalist no Oshaburi Kyouka Gasshuku<br/>
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Hitozuma Sakunyuu Hyakkaten<br/>
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Mai Miko Moe<br/>
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Paimega<br/>
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