mirror of
https://github.com/libretro/scummvm.git
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139 lines
3.6 KiB
C++
139 lines
3.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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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*/
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#ifndef SHERLOCK_SCALPEL_TSAGE_RESOURCES_H
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#define SHERLOCK_SCALPEL_TSAGE_RESOURCES_H
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#include "common/scummsys.h"
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#include "common/array.h"
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#include "common/file.h"
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#include "common/list.h"
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#include "common/str.h"
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#include "common/str-array.h"
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#include "common/util.h"
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#include "graphics/surface.h"
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#include "sherlock/screen.h"
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namespace Sherlock {
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namespace Scalpel {
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namespace TsAGE {
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// Magic number used by original game to identify valid memory blocks
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const uint32 MEMORY_ENTRY_ID = 0xE11DA722;
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const int MEMORY_POOL_SIZE = 1000;
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enum ResourceType { RES_LIBRARY, RES_STRIP, RES_IMAGE, RES_PALETTE, RES_VISAGE, RES_SOUND, RES_MESSAGE,
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RES_FONT, RES_POINTER, RES_BANK, RES_SND_DRIVER, RES_PRIORITY, RES_CONTROL, RES_WALKRGNS,
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RES_BITMAP, RES_SAVE, RES_SEQUENCE,
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// Return to Ringworld specific resource types
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RT17, RT18, RT19, RT20, RT21, RT22, RT23, RT24, RT25, RT26, RT27, RT28, RT29, RT30, RT31
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};
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class SectionEntry {
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public:
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ResourceType resType;
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uint16 resNum;
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uint32 fileOffset;
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SectionEntry() {
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resType = RES_LIBRARY;
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resNum = 0;
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fileOffset = 0;
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}
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};
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class ResourceEntry {
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public:
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uint16 id;
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bool isCompressed;
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uint32 fileOffset;
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uint32 size;
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uint32 uncompressedSize;
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ResourceEntry() {
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id = 0;
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isCompressed = false;
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fileOffset = 0;
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size = 0;
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uncompressedSize = 0;
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}
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};
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typedef Common::List<ResourceEntry> ResourceList;
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class SectionList : public Common::List<SectionEntry> {
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public:
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uint32 fileOffset;
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SectionList() {
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fileOffset = 0;
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}
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};
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class BitReader {
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private:
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Common::ReadStream &_stream;
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uint8 _remainder, _bitsLeft;
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byte readByte() { return _stream.eos() ? 0 : _stream.readByte(); }
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public:
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BitReader(Common::ReadStream &s) : _stream(s) {
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numBits = 9;
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_remainder = 0;
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_bitsLeft = 0;
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}
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uint16 readToken();
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int numBits;
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};
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class TLib {
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private:
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Common::StringArray _resStrings;
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private:
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Common::File _file;
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Common::String _filename;
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ResourceList _resources;
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SectionList _sections;
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void loadSection(uint32 fileOffset);
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void loadIndex();
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static bool scanIndex(Common::File &f, ResourceType resType, int rlbNum, int resNum, ResourceEntry &resEntry);
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static void loadSection(Common::File &f, ResourceList &resources);
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public:
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TLib(const Common::String &filename);
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~TLib();
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const Common::String &getFilename() { return _filename; }
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const SectionList &getSections() { return _sections; }
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Common::SeekableReadStream *getResource(uint16 id, bool suppressErrors = false);
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Common::SeekableReadStream *getResource(ResourceType resType, uint16 resNum, uint16 rlbNum, bool suppressErrors = false);
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uint32 getResourceStart(ResourceType resType, uint16 resNum, uint16 rlbNum, ResourceEntry &entry);
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void getPalette(byte palette[PALETTE_SIZE], int paletteNum);
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};
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} // end of namespace TsAGE
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} // end of namespace Scalpel
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} // end of namespace Sherlock
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#endif
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