94 lines
3.9 KiB
C++
94 lines
3.9 KiB
C++
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#include "mapparser.h"
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#include "config.h"
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#include "log.h"
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#include "project.h"
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MapParser::MapParser()
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{
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}
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MapLayout *MapParser::parse(QString filepath, bool *error, Project *project)
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{
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QFile file(filepath);
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if (!file.open(QIODevice::ReadOnly)) {
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*error = true;
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logError(QString("Could not open Advance Map 1.92 Map .map file '%1': ").arg(filepath) + file.errorString());
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return nullptr;
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}
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QByteArray in = file.readAll();
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file.close();
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if (in.length() < 20 || in.length() % 2 != 0) {
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*error = true;
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logError(QString("Advance Map 1.92 Map .map file '%1' is an unexpected size.").arg(filepath));
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return nullptr;
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}
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int mapDataOffset = 20;
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int mapWidth = static_cast<unsigned char>(in.at(0)) |
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(static_cast<unsigned char>(in.at(1)) << 8) |
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(static_cast<unsigned char>(in.at(2)) << 16) |
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(static_cast<unsigned char>(in.at(3)) << 24);
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int mapHeight = static_cast<unsigned char>(in.at(4)) |
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(static_cast<unsigned char>(in.at(5)) << 8) |
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(static_cast<unsigned char>(in.at(6)) << 16) |
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(static_cast<unsigned char>(in.at(7)) << 24);
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int mapPrimaryTilesetNum = static_cast<unsigned char>(in.at(8)) |
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(static_cast<unsigned char>(in.at(9)) << 8) |
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(static_cast<unsigned char>(in.at(10)) << 16) |
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(static_cast<unsigned char>(in.at(11)) << 24);
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int mapSecondaryTilesetNum = static_cast<unsigned char>(in.at(12)) |
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(static_cast<unsigned char>(in.at(13)) << 8) |
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(static_cast<unsigned char>(in.at(14)) << 16) |
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(static_cast<unsigned char>(in.at(15)) << 24);
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/*int maxMetatiles = primaryTileset ? Project::getNumMetatilesPrimary() : Project::getNumMetatilesTotal() - Project::getNumMetatilesPrimary();
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int numMetatiles = static_cast<unsigned char>(in.at(0)) |
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(static_cast<unsigned char>(in.at(1)) << 8) |
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(static_cast<unsigned char>(in.at(2)) << 16) |
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(static_cast<unsigned char>(in.at(3)) << 24);
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if (numMetatiles > maxMetatiles) {
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*error = true;
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logError(QString(".bvd file contains data for %1 metatiles, but the maximum number of metatiles is %2.").arg(numMetatiles).arg(maxMetatiles));
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return nullptr;
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}
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if (numMetatiles < 1) {
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*error = true;
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logError(QString(".bvd file contains no data for metatiles."));
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return nullptr;
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}*/
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int numMetatiles = mapWidth * mapHeight;
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int expectedFileSize = numMetatiles * 2 + 20;
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if (in.length() != expectedFileSize) {
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*error = true;
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logError(QString(".map file is an unexpected size. Expected %1 bytes, but it has %2 bytes.").arg(expectedFileSize).arg(in.length()));
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return nullptr;
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}
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Blockdata *blockdata = new Blockdata();
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for (int i = mapDataOffset; (i + 1) < in.length(); i += 2) {
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uint16_t word = static_cast<uint16_t>((in[i] & 0xff) + ((in[i + 1] & 0xff) << 8));
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blockdata->addBlock(word);
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}
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MapLayout *mapLayout = new MapLayout();
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mapLayout->width = QString::number(mapWidth);
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mapLayout->height = QString::number(mapHeight);
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QList<QString> tilesets = project->tilesetLabelsOrdered;
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if (mapPrimaryTilesetNum > tilesets.size())
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mapLayout->tileset_primary_label = tilesets.at(0);
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else
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mapLayout->tileset_primary_label = tilesets.at(mapPrimaryTilesetNum);
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if (mapSecondaryTilesetNum > tilesets.size())
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mapLayout->tileset_secondary_label = tilesets.at(1);
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else
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mapLayout->tileset_secondary_label = tilesets.at(mapSecondaryTilesetNum);
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mapLayout->blockdata = blockdata->copy();
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return mapLayout;
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}
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