1 /*
2 * Replica Island Tiled Plugin
3 * Copyright 2011, Eric Kidd <eric@kiddsoftware.com>
4 * Copyright 2011, seeseekey <seeseekey@googlemail.com>
5 *
6 * This file is part of Tiled.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * more details.
17 *
18 * You should have received a copy of the GNU General Public License along with
19 * this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include "replicaislandplugin.h"
23
24 #include "map.h"
25 #include "savefile.h"
26 #include "tile.h"
27 #include "tileset.h"
28 #include "tilelayer.h"
29 #include "compression.h"
30
31 #include <QCoreApplication>
32 #include <QFile>
33 #include <QtEndian>
34
35 using namespace ReplicaIsland;
36
37
tilesetForLayer(int type,int tileIndex,const QVector<Tiled::SharedTileset> & typeTilesets,const QVector<Tiled::SharedTileset> & tileIndexTilesets)38 static Tiled::SharedTileset tilesetForLayer(int type, int tileIndex,
39 const QVector<Tiled::SharedTileset> &typeTilesets,
40 const QVector<Tiled::SharedTileset> &tileIndexTilesets)
41 {
42 if (type == 0)
43 return tileIndexTilesets[tileIndex];
44 else
45 return typeTilesets[type];
46 }
47
ReplicaIslandPlugin()48 ReplicaIslandPlugin::ReplicaIslandPlugin()
49 {
50 }
51
read(const QString & fileName)52 std::unique_ptr<Tiled::Map> ReplicaIslandPlugin::read(const QString &fileName)
53 {
54 using namespace Tiled;
55
56 // Read data.
57 QFile file(fileName);
58 if (!file.open(QIODevice::ReadOnly)) {
59 mError = tr("Cannot open Replica Island map file!");
60 return nullptr;
61 }
62 QDataStream in(&file);
63 in.setByteOrder(QDataStream::LittleEndian);
64 in.setFloatingPointPrecision(QDataStream::SinglePrecision);
65
66 // Parse file header.
67 quint8 mapSignature, layerCount, backgroundIndex;
68 in >> mapSignature >> layerCount >> backgroundIndex;
69 if (in.status() == QDataStream::ReadPastEnd || mapSignature != 96) {
70 mError = tr("Can't parse file header!");
71 return nullptr;
72 }
73
74 // Create our map, leaving width and height to 0 until we load a layer.
75 Map::Parameters mapParameters;
76 mapParameters.tileWidth = 32;
77 mapParameters.tileHeight = 32;
78 auto map = std::make_unique<Map>(mapParameters);
79 map->setProperty("background_index", QString::number(backgroundIndex));
80
81 // Load our Tilesets.
82 QVector<SharedTileset> typeTilesets, tileIndexTilesets;
83 loadTilesetsFromResources(map.get(), typeTilesets, tileIndexTilesets);
84
85 // Load each of our layers.
86 for (quint8 i = 0; i < layerCount; i++) {
87 // Parse layer header.
88 quint8 type, tileIndex, levelSignature;
89 float scrollSpeed;
90 qint32 width, height;
91 in >> type >> tileIndex >> scrollSpeed
92 >> levelSignature >> width >> height;
93 if (in.status() == QDataStream::ReadPastEnd || levelSignature != 42) {
94 mError = tr("Can't parse layer header!");
95 return nullptr;
96 }
97
98 // Make sure our width and height are consistent.
99 if (map->width() == 0)
100 map->setWidth(width);
101 if (map->height() == 0)
102 map->setHeight(height);
103 if (map->width() != width || map->height() != height) {
104 mError = tr("Inconsistent layer sizes!");
105 return nullptr;
106 }
107
108 // Create a layer object.
109 TileLayer *layer =
110 new TileLayer(layerTypeToName(type), 0, 0, width, height);
111 layer->setProperty("type", QString::number(type));
112 layer->setProperty("tile_index", QString::number(tileIndex));
113 layer->setProperty("scroll_speed", QString::number(scrollSpeed, 'f'));
114 map->addLayer(layer);
115
116 // Look up the tileset for this layer.
117 SharedTileset tileset =
118 tilesetForLayer(type, tileIndex, typeTilesets, tileIndexTilesets);
119
120 // Read our tile data all at once.
121 QByteArray tileData(width*height, '\0');
122 int bytesRead = in.readRawData(tileData.data(), tileData.size());
123 if (bytesRead != tileData.size()) {
124 mError = tr("File ended in middle of layer!");
125 return nullptr;
126 }
127 quint8 *tp = reinterpret_cast<quint8 *>(tileData.data());
128
129 // Add the tiles to our layer.
130 for (int y = 0; y < height; y++) {
131 for (int x = 0; x < width; x++) {
132 quint8 tile_id = *tp++;
133 if (tile_id != 255) {
134 Tile *tile = tileset->findTile(tile_id);
135 layer->setCell(x, y, Cell(tile));
136 }
137 }
138 }
139 }
140
141 // Make sure we read the entire *.bin file.
142 if (in.status() != QDataStream::Ok || !in.atEnd()) {
143 mError = tr("Unexpected data at end of file!");
144 return nullptr;
145 }
146
147 return map;
148 }
149
loadTilesetsFromResources(Tiled::Map * map,QVector<Tiled::SharedTileset> & typeTilesets,QVector<Tiled::SharedTileset> & tileIndexTilesets)150 void ReplicaIslandPlugin::loadTilesetsFromResources(
151 Tiled::Map *map,
152 QVector<Tiled::SharedTileset> &typeTilesets,
153 QVector<Tiled::SharedTileset> &tileIndexTilesets)
154 {
155 // Create tilesets for type 0 to 3, inclusive.
156 typeTilesets.append(Tiled::SharedTileset()); // Use a tileIndexTileset.
157 typeTilesets.append(loadTilesetFromResource("collision_map"));
158 typeTilesets.append(loadTilesetFromResource("objects"));
159 typeTilesets.append(loadTilesetFromResource("hotspots"));
160 addTilesetsToMap(map, typeTilesets);
161
162 // Create tilesets for tileIndex 0 to 7, inclusive.
163 tileIndexTilesets.append(loadTilesetFromResource("grass"));
164 tileIndexTilesets.append(loadTilesetFromResource("island"));
165 tileIndexTilesets.append(loadTilesetFromResource("sewage"));
166 tileIndexTilesets.append(loadTilesetFromResource("cave"));
167 tileIndexTilesets.append(loadTilesetFromResource("lab"));
168 // The titletileset is also known as "lighting".
169 tileIndexTilesets.append(loadTilesetFromResource("titletileset"));
170 tileIndexTilesets.append(loadTilesetFromResource("tutorial"));
171 addTilesetsToMap(map, tileIndexTilesets);
172 }
173
174 Tiled::SharedTileset
loadTilesetFromResource(const QString & name)175 ReplicaIslandPlugin::loadTilesetFromResource(const QString &name)
176 {
177 using namespace Tiled;
178
179 SharedTileset tileset(Tileset::create(name, 32, 32));
180 tileset->loadFromImage(QImage(":/" + name + ".png"), name + ".png");
181 return tileset;
182 }
183
addTilesetsToMap(Tiled::Map * map,const QVector<Tiled::SharedTileset> & tilesets)184 void ReplicaIslandPlugin::addTilesetsToMap(Tiled::Map *map,
185 const QVector<Tiled::SharedTileset> &tilesets)
186 {
187 using namespace Tiled;
188
189 for (const Tiled::SharedTileset &tileset : tilesets)
190 if (tileset)
191 map->addTileset(tileset);
192 }
193
layerTypeToName(char type)194 QString ReplicaIslandPlugin::layerTypeToName(char type)
195 {
196 switch (type) {
197 case 0: return "Background";
198 case 1: return "Collision";
199 case 2: return "Objects";
200 case 3: return "Hot spots";
201 default: return "Unknown layer type";
202 }
203 }
204
nameFilter() const205 QString ReplicaIslandPlugin::nameFilter() const
206 {
207 return tr("Replica Island map files (*.bin)");
208 }
209
shortName() const210 QString ReplicaIslandPlugin::shortName() const
211 {
212 return QStringLiteral("replicaisland");
213 }
214
supportsFile(const QString & fileName) const215 bool ReplicaIslandPlugin::supportsFile(const QString &fileName) const
216 {
217 // Check the file extension first.
218 if (!fileName.endsWith(QLatin1String(".bin"), Qt::CaseInsensitive))
219 return false;
220
221 // Since we may have lots of Android-related *.bin files that aren't
222 // maps, check our signature byte, too.
223 QFile f(fileName);
224 if (!f.open(QIODevice::ReadOnly))
225 return false;
226 char signature;
227 qint64 read = f.read(&signature, 1);
228 return (read == 1 || signature == 96);
229 }
230
errorString() const231 QString ReplicaIslandPlugin::errorString() const
232 {
233 return mError;
234 }
235
write(const Tiled::Map * map,const QString & fileName,Options options)236 bool ReplicaIslandPlugin::write(const Tiled::Map *map, const QString &fileName, Options options)
237 {
238 Q_UNUSED(options)
239
240 using namespace Tiled;
241
242 // Open up a temporary file for saving the level.
243 SaveFile file(fileName);
244 if (!file.open(QIODevice::WriteOnly)) {
245 mError = QCoreApplication::translate("File Errors", "Could not open file for writing.");
246 return false;
247 }
248
249 // Create an output stream for serializing data.
250 QDataStream out(file.device());
251 out.setByteOrder(QDataStream::LittleEndian);
252 out.setFloatingPointPrecision(QDataStream::SinglePrecision);
253
254 // Write out the signature and file header.
255 out << static_cast<quint8>(96); // Signature.
256 out << static_cast<quint8>(map->layerCount());
257 bool ok;
258 out << static_cast<quint8>(map->property("background_index").toInt(&ok));
259 if (!ok) {
260 mError = tr("You must define a background_index property on the map!");
261 return false;
262 }
263
264 // Write out each layer.
265 for (int i = 0; i < map->layerCount(); i++) {
266 TileLayer *layer = map->layerAt(i)->asTileLayer();
267 if (!layer) {
268 mError = tr("Can't save non-tile layer!");
269 return false;
270 }
271 if (!writeLayer(out, layer))
272 return false;
273 }
274
275 if (!file.commit()) {
276 mError = file.errorString();
277 return false;
278 }
279
280 return true;
281 }
282
writeLayer(QDataStream & out,Tiled::TileLayer * layer)283 bool ReplicaIslandPlugin::writeLayer(QDataStream &out, Tiled::TileLayer *layer)
284 {
285 using namespace Tiled;
286
287 // Write out the layer header.
288 bool ok;
289 out << static_cast<quint8>(layer->property("type").toInt(&ok));
290 if (!ok) {
291 mError = tr("You must define a type property on each layer!");
292 return false;
293 }
294 out << static_cast<quint8>(layer->property("tile_index").toInt(&ok));
295 if (!ok) {
296 mError = tr("You must define a tile_index property on each layer!");
297 return false;
298 }
299 out << layer->property("scroll_speed").toFloat(&ok);
300 if (!ok) {
301 mError = tr("You must define a scroll_speed property on each layer!");
302 return false;
303 }
304 out << static_cast<quint8>(42); // Layer signature.
305 out << static_cast<qint32>(layer->width());
306 out << static_cast<qint32>(layer->height());
307
308 // Write out the raw tile data. We assume that the user has used the
309 // correct tileset for this layer.
310 for (int y = 0; y < layer->height(); y++) {
311 for (int x = 0; x < layer->width(); x++) {
312 Tile *tile = layer->cellAt(x, y).tile();
313 if (tile)
314 out << static_cast<quint8>(tile->id());
315 else
316 out << static_cast<quint8>(255);
317 }
318 }
319
320 return true;
321 }
322