Properly support painting tiles from secondary tileset

editor.cpp

     if ((x >= 0 && x < width) && (y >=0 && y < height)) {
         int baseTileX = x < map->paint_metatile_initial_x ? x : map->paint_metatile_initial_x;
         int baseTileY = y < map->paint_metatile_initial_y ? y : map->paint_metatile_initial_y;
-        map->paint_tile = baseTileY * 8 + baseTileX;
+        map->paint_tile_index = baseTileY * 8 + baseTileX;
         map->paint_tile_width = abs(map->paint_metatile_initial_x - x) + 1;
         map->paint_tile_height = abs(map->paint_metatile_initial_y - y) + 1;
         map->smart_paths_enabled = button == Qt::RightButton
         int actualY = j + y;
         Block *block = map->getBlock(actualX, actualY);
         if (block) {
-            block->tile = map->paint_tile + i + (j * 8);
+            block->tile = map->getSelectedBlockIndex(map->paint_tile_index + i + (j * 8));
             map->_setBlock(actualX, actualY, *block);
         }
     }
     8 + 1, // 1111
 });
 
-#define IS_SMART_PATH_TILE(block) ((block->tile >= map->paint_tile && block->tile < map->paint_tile + 3) \
-                                || (block->tile >= map->paint_tile + 8 && block->tile < map->paint_tile + 11) \
-                                || (block->tile >= map->paint_tile + 16 && block->tile < map->paint_tile + 19))
+#define IS_SMART_PATH_TILE(block) ((map->getDisplayedBlockIndex(block->tile) >= map->paint_tile_index && map->getDisplayedBlockIndex(block->tile) < map->paint_tile_index + 3) \
+                                || (map->getDisplayedBlockIndex(block->tile) >= map->paint_tile_index + 8 && map->getDisplayedBlockIndex(block->tile) < map->paint_tile_index + 11) \
+                                || (map->getDisplayedBlockIndex(block->tile) >= map->paint_tile_index + 16 && map->getDisplayedBlockIndex(block->tile) < map->paint_tile_index + 19))
 
 void MapPixmapItem::paintSmartPath(int x, int y) {
     // Smart path should never be enabled without a 3x3 block selection.
     if (map->paint_tile_width != 3 || map->paint_tile_height != 3) return;
 
     // Shift to the middle tile of the smart path selection.
-    int openTile = map->paint_tile + 8 + 1;
+    int openTile = map->paint_tile_index + 8 + 1;
 
     // Fill the region with the open tile.
-    for (int i = -1; i <= 1 && i + x < map->getWidth() && i + x >= 0; i++)
-    for (int j = -1; j <= 1 && j + y < map->getHeight() && j + y >= 0; j++) {
+    for (int i = -1; i <= 1; i++)
+    for (int j = -1; j <= 1; j++) {
+        // Check if in map bounds.
+        if (!(i + x < map->getWidth() && i + x >= 0 && j + y < map->getHeight() && j + y >= 0))
+            continue;
         int actualX = i + x;
         int actualY = j + y;
         Block *block = map->getBlock(actualX, actualY);
         if (block) {
-            block->tile = openTile;
+            block->tile = map->getSelectedBlockIndex(openTile);
             map->_setBlock(actualX, actualY, *block);
         }
     }
 
     // Go back and resolve the edge tiles
-    for (int i = -2; i <= 2 && i + x < map->getWidth() && i + x >= 0; i++)
-    for (int j = -2; j <= 2 && j + y < map->getHeight() && j + y >= 0; j++) {
+    for (int i = -2; i <= 2; i++)
+    for (int j = -2; j <= 2; j++) {
+        // Check if in map bounds.
+        if (!(i + x < map->getWidth() && i + x >= 0 && j + y < map->getHeight() && j + y >= 0))
+            continue;
         // Ignore the corners, which can't possible be affected by the smart path.
         if ((i == -2 && j == -2) || (i == 2 && j == -2) ||
             (i == -2 && j ==  2) || (i == 2 && j ==  2))
         if (left && IS_SMART_PATH_TILE(left))
             id += 8;
 
-        if (block) {
-            qDebug() << "tile: " << block->tile << "base: " << map->paint_tile << "id: " << id;
-        }
-
-        block->tile = map->paint_tile + smartPathTable[id];;
+        block->tile = map->getSelectedBlockIndex(map->paint_tile_index + smartPathTable[id]);
         map->_setBlock(actualX, actualY, *block);
     }
 }
         QPointF pos = event->pos();
         int x = (int)(pos.x()) / 16;
         int y = (int)(pos.y()) / 16;
-        map->floodFill(x, y, map->paint_tile);
+        map->floodFill(x, y, map->getSelectedBlockIndex(map->paint_tile_index));
         draw();
     }
 }
     int y = (int)(pos.y()) / 16;
     Block *block = map->getBlock(x, y);
     if (block) {
-        map->paint_tile = block->tile;
+        map->paint_tile_index = map->getDisplayedBlockIndex(block->tile);
         map->paint_tile_width = 1;
         map->paint_tile_height = 1;
         emit map->paintTileChanged(map);

editor.h

 class MetatilesPixmapItem : public QObject, public QGraphicsPixmapItem {
     Q_OBJECT
 public:
-    MetatilesPixmapItem(QPixmap pixmap): QGraphicsPixmapItem(pixmap) {
-    }
     MetatilesPixmapItem(Map *map_) {
         map = map_;
         setAcceptHoverEvents(true);

map.cpp

     cached_blockdata = new Blockdata;
     cached_collision = new Blockdata;
     cached_border = new Blockdata;
-    paint_tile = 1;
+    paint_tile_index = 1;
     paint_collision = 0;
     paint_elevation = 3;
 }
     }
 }
 
+int Map::getSelectedBlockIndex(int index) {
+    if (index < tileset_primary->metatiles->length()) {
+        return index;
+    } else {
+        return 0x200 + (index - tileset_primary->metatiles->length());
+    }
+}
+
+int Map::getDisplayedBlockIndex(int index) {
+    if (index < tileset_primary->metatiles->length()) {
+        return index;
+    } else {
+        return index - 0x200 + tileset_primary->metatiles->length();
+    }
+}
+
 QImage Map::getMetatileTile(int tile) {
     Tileset *tileset = getBlockTileset(tile);
     int local_index = getBlockIndex(tile);
         QImage metatile_image = getCollisionMetatileImage(i);
         painter.drawImage(origin, metatile_image);
     }
-    drawSelection(paint_collision, width_, &painter);
+    drawSelection(paint_collision, width_, 1, 1, &painter);
     painter.end();
     return QPixmap::fromImage(image);
 }
         QImage metatile_image = getElevationMetatileImage(i);
         painter.drawImage(origin, metatile_image);
     }
-    drawSelection(paint_elevation, width_, &painter);
+    drawSelection(paint_elevation, width_, 1, 1, &painter);
     painter.end();
     return QPixmap::fromImage(image);
 }
 
-void Map::drawSelection(int i, int w, QPainter *painter) {
+void Map::drawSelection(int i, int w, int selectionWidth, int selectionHeight, QPainter *painter) {
     int x = i % w;
     int y = i / w;
     painter->save();
 
     QColor penColor = smart_paths_enabled ? QColor(0xff, 0x0, 0xff) : QColor(0xff, 0xff, 0xff);
     painter->setPen(penColor);
-    int rectWidth = paint_tile_width * 16;
-    int rectHeight = paint_tile_height * 16;
+    int rectWidth = selectionWidth * 16;
+    int rectHeight = selectionHeight * 16;
     painter->drawRect(x * 16, y * 16, rectWidth - 1, rectHeight -1);
     painter->setPen(QColor(0, 0, 0));
     painter->drawRect(x * 16 - 1, y * 16 - 1, rectWidth + 1, rectHeight + 1);
         painter.drawImage(metatile_origin, metatile_image);
     }
 
-    drawSelection(paint_tile, width_, &painter);
+    drawSelection(paint_tile_index, width_, paint_tile_width, paint_tile_height, &painter);
 
     painter.end();
     return QPixmap::fromImage(image);
     emit statusBarMessage(QString(""));
 }
 
-void Map::hoveredMetatileChanged(int block) {
+void Map::hoveredMetatileChanged(int blockIndex) {
+    int tile = getSelectedBlockIndex(blockIndex);
     emit statusBarMessage(QString("Block: 0x%1")
-                          .arg(QString("%1").arg(block, 3, 16, QChar('0')).toUpper()));
+                          .arg(QString("%1").arg(tile, 3, 16, QChar('0')).toUpper()));
 }
 
 void Map::clearHoveredMetatile() {

map.h

     int getHeight();
     Tileset* getBlockTileset(int);
     int getBlockIndex(int index);
+    int getSelectedBlockIndex(int index);
+    int getDisplayedBlockIndex(int index);
     Metatile* getMetatile(int);
     QImage getMetatileImage(int);
     QImage getMetatileTile(int);
 
     QPixmap renderCollisionMetatiles();
     QPixmap renderElevationMetatiles();
-    void drawSelection(int i, int w, QPainter *painter);
+    void drawSelection(int i, int w, int selectionWidth, int selectionHeight, QPainter *painter);
 
     bool blockChanged(int, Blockdata*);
     Blockdata* cached_blockdata = NULL;
     bool smart_paths_enabled = false;
     int paint_metatile_initial_x;
     int paint_metatile_initial_y;
-    int paint_tile;
+    int paint_tile_index;
     int paint_tile_width = 1;
     int paint_tile_height = 1;
     int paint_tile_initial_x;