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https://github.com/libretro/scummvm.git
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75 lines
2.3 KiB
C++
75 lines
2.3 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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#include "twine/parser/blocklibrary.h"
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#include "common/stream.h"
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namespace TwinE {
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void BlockLibraryData::reset() {
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_layouts.clear();
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}
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bool BlockLibraryData::loadFromStream(Common::SeekableReadStream &stream, bool lba1) {
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reset();
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const uint32 numLayouts = stream.readUint32LE() / 4;
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_layouts.resize(numLayouts);
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stream.seek(0);
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for (uint32 i = 0; i < numLayouts; ++i) {
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BlockData &blockData = _layouts[i];
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const uint32 offset = stream.readUint32LE();
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const uint32 nextOffset = stream.pos();
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if (!stream.seek(offset)) {
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return false;
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}
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if (!parseLayout(blockData, stream, lba1)) {
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return false;
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}
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stream.seek(nextOffset);
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}
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return !stream.err();
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}
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bool BlockLibraryData::parseLayout(BlockData &blockData, Common::SeekableReadStream &stream, bool lba1) {
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const uint8 x = stream.readByte();
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const uint8 y = stream.readByte();
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const uint8 z = stream.readByte();
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const int32 numBricks = x * y * z;
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blockData.entries.resize(numBricks);
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for (int32 i = 0; i < numBricks; ++i) {
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BlockDataEntry &blockEntry = blockData.entries[i];
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blockEntry.brickShape = stream.readByte();
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blockEntry.brickType = stream.readByte();
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blockEntry.brickIdx = stream.readUint16LE();
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blockEntry.sound = bits(blockEntry.brickType, 0, 4);
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}
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return !stream.err();
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}
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const BlockData *BlockLibraryData::getLayout(int index) const {
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if (index < 0 || index >= (int)_layouts.size()) {
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error("Block library index out of range: %i", index);
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}
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return &_layouts[index];
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}
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} // End of namespace TwinE
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