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hacked-libtiled/tiled/view/OrthogonalRenderer.java

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+/*
+ * Copyright 2010, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
+ *
+ * This file is part of libtiled-java.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice,
+ *       this list of conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package tiled.view;
+
+import tiled.core.Map;
+import tiled.core.Tile;
+import tiled.core.TileLayer;
+
+import java.awt.*;
+
+/**
+ * The orthogonal map renderer. This is the most basic map renderer, dealing
+ * with maps that use rectangular tiles.
+ */
+public class OrthogonalRenderer implements MapRenderer
+{
+    private final Map map;
+
+    public OrthogonalRenderer(Map map) {
+        this.map = map;
+    }
+
+    public Dimension getMapSize() {
+        return new Dimension(
+                map.getWidth() * map.getTileWidth(),
+                map.getHeight() * map.getTileHeight());
+    }
+
+    public void paintTileLayer(Graphics2D g, TileLayer layer) {
+        final Rectangle clip = g.getClipBounds();
+        final int tileWidth = map.getTileWidth();
+        final int tileHeight = map.getTileHeight();
+        final Rectangle bounds = layer.getBounds();
+
+        g.translate(bounds.x * tileWidth, bounds.y * tileHeight);
+        clip.translate(-bounds.x * tileWidth, -bounds.y * tileHeight);
+
+        clip.height += map.getTileHeightMax();
+
+        final int startX = Math.max(0, clip.x / tileWidth);
+        final int startY = Math.max(0, clip.y / tileHeight);
+        final int endX = Math.min(layer.getWidth(),
+                (int) Math.ceil(clip.getMaxX() / tileWidth));
+        final int endY = Math.min(layer.getHeight(),
+                (int) Math.ceil(clip.getMaxY() / tileHeight));
+
+        for (int x = startX; x < endX; ++x) {
+            for (int y = startY; y < endY; ++y) {
+                final Tile tile = layer.getTileAt(x, y);
+                if (tile == null)
+                    continue;
+                final Image image = tile.getImage();
+                if (image == null)
+                    continue;
+
+                g.drawImage(
+                        image,
+                        x * tileWidth,
+                        (y + 1) * tileHeight - image.getHeight(null),
+                        null);
+            }
+        }
+
+
+
+        g.translate(-bounds.x * tileWidth, -bounds.y * tileHeight);
+    }
+}