From f4f4a33b8b710904d5f59a6ca1656f8c997ad458 Mon Sep 17 00:00:00 2001
From: FrozenCow <frozencow@gmail.com>
Date: Tue, 1 Mar 2011 01:59:33 +0100
Subject: [PATCH] Implemented FlatMap fullrender + required clientlib.

---
 src/main/java/org/dynmap/flat/FlatMap.java | 61 ++++++++++++++--------
 web/flatmap.js                             | 41 +++++++++++++++
 2 files changed, 81 insertions(+), 21 deletions(-)
 create mode 100644 web/flatmap.js

diff --git a/src/main/java/org/dynmap/flat/FlatMap.java b/src/main/java/org/dynmap/flat/FlatMap.java
index a71b43ae..9e7f2726 100644
--- a/src/main/java/org/dynmap/flat/FlatMap.java
+++ b/src/main/java/org/dynmap/flat/FlatMap.java
@@ -18,41 +18,59 @@ import org.dynmap.debug.Debug;
 import org.dynmap.kzedmap.KzedMap;
 
 public class FlatMap extends MapType {
-    
+
     public FlatMap(Map<String, Object> configuration) {
     }
-    
+
     @Override
     public MapTile[] getTiles(Location l) {
-        return new MapTile[] {
-            new FlatMapTile(l.getWorld(), this, (int)Math.floor(l.getBlockX() / 128.0), (int)Math.floor(l.getBlockZ() / 128.0), 128)
-            };
+        return new MapTile[] { new FlatMapTile(l.getWorld(), this, (int) Math.floor(l.getBlockX() / 128.0), (int) Math.floor(l.getBlockZ() / 128.0), 128) };
     }
 
     @Override
     public MapTile[] getAdjecentTiles(MapTile tile) {
-        // TODO Auto-generated method stub
-        return null;
+        FlatMapTile t = (FlatMapTile) tile;
+        World w = t.getWorld();
+        int x = t.x;
+        int y = t.y;
+        int s = t.size;
+        return new MapTile[] {
+            new FlatMapTile(w, this, x, y - 1, s),
+            new FlatMapTile(w, this, x + 1, y, s),
+            new FlatMapTile(w, this, x, y + 1, s),
+            new FlatMapTile(w, this, x - 1, y, s) };
     }
 
     @Override
     public DynmapChunk[] getRequiredChunks(MapTile tile) {
-        // TODO Auto-generated method stub
-        return null;
+        FlatMapTile t = (FlatMapTile) tile;
+        int chunksPerTile = t.size / 16;
+        int sx = t.x * chunksPerTile;
+        int sz = t.y * chunksPerTile;
+
+        DynmapChunk[] result = new DynmapChunk[chunksPerTile * chunksPerTile];
+        int index = 0;
+        for (int x = 0; x < chunksPerTile; x++)
+            for (int z = 0; z < chunksPerTile; z++) {
+                result[index] = new DynmapChunk(sx + x, sz + z);
+                index++;
+            }
+        return result;
     }
-    
+
     @Override
     public boolean render(MapTile tile, File outputFile) {
-        FlatMapTile t = (FlatMapTile)tile;
+        FlatMapTile t = (FlatMapTile) tile;
         World w = t.getWorld();
-        
+
+        boolean rendered = false;
         BufferedImage im = new BufferedImage(t.size, t.size, BufferedImage.TYPE_INT_RGB);
         WritableRaster r = im.getRaster();
-        
-        for(int x = 0; x < t.size; x++)
+
+        for (int x = 0; x < t.size; x++)
             for (int y = 0; y < t.size; y++) {
-                int mx = x+t.x*t.size;
-                int mz = y+t.y*t.size;
+                int mx = x + t.x * t.size;
+                int mz = y + t.y * t.size;
                 int my = w.getHighestBlockYAt(mx, mz) - 1;
                 int blockType = w.getBlockTypeIdAt(mx, my, mz);
                 Color[] colors = KzedMap.colors.get(blockType);
@@ -65,8 +83,9 @@ public class FlatMap extends MapType {
                     c.getRed(),
                     c.getGreen(),
                     c.getBlue() });
+                rendered = true;
             }
-        
+
         try {
             ImageIO.write(im, "png", outputFile);
         } catch (IOException e) {
@@ -75,22 +94,22 @@ public class FlatMap extends MapType {
             Debug.error("Failed to save image (NullPointerException): " + outputFile.getPath(), e);
         }
         im.flush();
-        return false;
+        return rendered;
     }
 
     public class FlatMapTile extends MapTile {
-        
+
         public int x;
         public int y;
         public int size;
-        
+
         public FlatMapTile(World world, FlatMap map, int x, int y, int size) {
             super(world, map);
             this.x = x;
             this.y = y;
             this.size = size;
         }
-        
+
         @Override
         public String getFilename() {
             return "flat_" + size + "_" + x + "_" + y + ".png";
diff --git a/web/flatmap.js b/web/flatmap.js
new file mode 100644
index 00000000..3a976595
--- /dev/null
+++ b/web/flatmap.js
@@ -0,0 +1,41 @@
+function FlatProjection() {}
+FlatProjection.prototype = {
+		fromLatLngToPoint: function(latLng) {
+			return new google.maps.Point(latLng.lat()*128.0, latLng.lng()*128.0);
+		},
+		fromPointToLatLng: function(point) {
+			return new google.maps.LatLng(point.x/128.0, point.y/128.0);
+		},
+		fromWorldToLatLng: function(x, y, z) {
+			return new google.maps.LatLng(x / 128.0, z / 128.0);
+		}
+};
+
+function FlatMapType(configuration) { $.extend(this, configuration); }
+FlatMapType.prototype = $.extend(new DynMapType(), {
+	constructor: FlatMapType,
+	projection: new FlatProjection(),
+	tileSize: new google.maps.Size(128.0, 128.0),
+	minZoom: 0,
+	maxZoom: 0,
+	getTile: function(coord, zoom, doc) {
+		var tileName;
+		var tile = $('<img/>')
+			.attr('src', this.dynmap.getTileUrl(tileName = 'flat_128_' + coord.x + '_' + coord.y + '.png'))
+			.error(function() { tile.hide(); })
+			.bind('load', function() { tile.show(); })
+			.css({
+				width: '128px',
+				height: '128px',
+				borderStyle: 'none'
+			})
+			.hide();
+		this.dynmap.registerTile(this, tileName, tile);
+		//this.dynmap.unregisterTile(this, tileName);
+		return tile.get(0);
+	},
+	updateTileSize: function(zoom) {
+	}
+});
+
+maptypes.FlatMapType = function(configuration) { return new FlatMapType(configuration); };
\ No newline at end of file