mirror of
https://github.com/aimrebirth/tools.git
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94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
/*
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* AIM 1 unpaker
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* Copyright (C) 2015 lzwdgc
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <map>
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#include <stdint.h>
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#include <string>
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#include <vector>
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using namespace std;
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struct header
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{
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uint32_t unk1;
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uint16_t unk2;
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uint16_t number_of_files;
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uint16_t unk3;
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uint32_t number_of_chunks;
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int32_t chunk_size;
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uint32_t unk5;
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void load(FILE *f);
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};
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struct record
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{
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std::string name;
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uint32_t pos;
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uint32_t len;
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//
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vector<char> data;
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int offset = 0;
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void load(FILE *f);
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void write(string name, const vector<char> &data) const;
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int read(struct pak *pak, void *output, int size);
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};
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struct segment
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{
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enum decode_algorithm
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{
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RLE_2_bytes = 0x1,
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RLE_1_byte = 0x2,
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DA_1 = 0x4,
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DA_2 = 0x8,
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};
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uint32_t unk1;
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decode_algorithm algorithm;
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uint32_t offset;
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uint32_t size1;
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uint32_t size2;
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//
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FILE *file = 0;
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uint8_t* encoded;
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uint8_t* decoded;
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void load_header(FILE *f);
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void load_segment();
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void decompress(int segment_id);
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};
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struct pak
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{
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header h;
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vector<segment> header;
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map<string, record> files;
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//
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vector<uint8_t> encoded;
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vector<uint8_t> decoded;
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void load(FILE *f);
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};
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