569 lines
24 KiB
Java
569 lines
24 KiB
Java
package org.dynmap.hdmap;
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import org.dynmap.DynmapWorld;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.logging.Logger;
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import org.bukkit.Location;
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import org.bukkit.World;
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import org.bukkit.World.Environment;
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import org.dynmap.Client;
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import org.dynmap.Color;
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import org.dynmap.ColorScheme;
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import org.dynmap.ConfigurationNode;
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import org.dynmap.DynmapChunk;
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import org.dynmap.Log;
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import org.dynmap.MapManager;
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import org.dynmap.MapTile;
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import org.dynmap.MapType;
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import org.dynmap.TileHashManager;
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import org.dynmap.MapType.MapStep;
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import org.dynmap.debug.Debug;
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import org.dynmap.flat.FlatMap.FlatMapTile;
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import org.dynmap.kzedmap.KzedMap.KzedBufferedImage;
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import org.dynmap.kzedmap.KzedMap;
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import org.dynmap.kzedmap.MapTileRenderer;
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import org.dynmap.utils.FileLockManager;
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import org.dynmap.utils.MapChunkCache;
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import org.dynmap.utils.MapIterator;
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import org.dynmap.utils.Matrix3D;
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import org.dynmap.utils.Vector3D;
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import org.json.simple.JSONObject;
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import java.awt.image.DataBufferInt;
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import java.awt.image.DataBuffer;
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import java.awt.image.WritableRaster;
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import java.awt.image.ColorModel;
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import java.awt.image.Raster;
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public class HDMap extends MapType {
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/* View angles */
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public double azimuth; /* Angle in degrees from looking north (0), east (90), south (180), or west (270) */
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public double inclination; /* Angle in degrees from horizontal (0) to vertical (90) */
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public double scale; /* Scale - tile pixel widths per block */
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public ColorScheme colorScheme;
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/* Coordinate space for tiles consists of a plane (X, Y), corresponding to the projection of each tile on to the
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* plane of the bottom of the world (X positive to the right, Y positive to the top), with Z+ corresponding to the
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* height above this plane on a vector towards the viewer). Logically, this makes the parallelogram representing the
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* space contributing to the tile have consistent tile-space X,Y coordinate pairs for both the top and bottom faces
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* Note that this is a classic right-hand coordinate system, while minecraft's world coordinates are left handed
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* (X+ is south, Y+ is up, Z+ is east).
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*/
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/* Transformation matrix for taking coordinate in world-space (x, y, z) and finding coordinate in tile space (x, y, z) */
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private Matrix3D world_to_map;
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private Matrix3D map_to_world;
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/* dimensions of a map tile */
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public static final int tileWidth = 128;
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public static final int tileHeight = 128;
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/* Maximum and minimum inclinations */
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public static final double MAX_INCLINATION = 90.0;
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public static final double MIN_INCLINATION = 20.0;
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/* Maximum and minimum scale */
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public static final double MAX_SCALE = 64;
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public static final double MIN_SCALE = 1;
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private HDMapTileRenderer renderers[];
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public HDMap(ConfigurationNode configuration) {
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colorScheme = ColorScheme.getScheme(configuration.getString("colorscheme", "default"));
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azimuth = configuration.getDouble("azimuth", 135.0); /* Get azimuth (default to classic kzed POV */
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inclination = configuration.getDouble("inclination", 60.0);
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if(inclination > MAX_INCLINATION) inclination = MAX_INCLINATION;
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if(inclination < MIN_INCLINATION) inclination = MIN_INCLINATION;
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scale = configuration.getDouble("scale", MIN_SCALE);
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if(scale < MIN_SCALE) scale = MIN_SCALE;
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if(scale > MAX_SCALE) scale = MAX_SCALE;
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Log.info("azimuth=" + azimuth + ", inclination=" + inclination + ", scale=" + scale);
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/* Generate transform matrix for world-to-tile coordinate mapping */
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/* First, need to fix basic coordinate mismatches before rotation - we want zero azimuth to have north to top
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* (world -X -> tile +Y) and east to right (world -Z to tile +X), with height being up (world +Y -> tile +Z)
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*/
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Matrix3D transform = new Matrix3D(0.0, 0.0, -1.0, -1.0, 0.0, 0.0, 0.0, 1.0, 0.0);
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/* Next, rotate world counterclockwise around Z axis by azumuth angle */
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transform.rotateXY(180-azimuth);
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/* Next, rotate world by (90-inclination) degrees clockwise around +X axis */
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transform.rotateYZ(90.0-inclination);
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/* Finally, shear along Z axis to normalize Z to be height above map plane */
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transform.shearZ(0, Math.tan(Math.toRadians(90.0-inclination)));
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/* And scale Z to be same scale as world coordinates, and scale X and Y based on setting */
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transform.scale(scale, scale, Math.sin(Math.toRadians(inclination)));
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world_to_map = transform;
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/* Now, generate map to world tranform, by doing opposite actions in reverse order */
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transform = new Matrix3D();
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transform.scale(1.0/scale, 1.0/scale, 1/Math.sin(Math.toRadians(inclination)));
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transform.shearZ(0, -Math.tan(Math.toRadians(90.0-inclination)));
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transform.rotateYZ(-(90.0-inclination));
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transform.rotateXY(-180+azimuth);
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Matrix3D coordswap = new Matrix3D(0.0, -1.0, 0.0, 0.0, 0.0, 1.0, -1.0, 0.0, 0.0);
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transform.multiply(coordswap);
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map_to_world = transform;
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Log.verboseinfo("Loading renderers for map '" + getClass().toString() + "'...");
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List<HDMapTileRenderer> renderers = configuration.<HDMapTileRenderer>createInstances("renderers", new Class<?>[0], new Object[0]);
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this.renderers = new HDMapTileRenderer[renderers.size()];
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renderers.toArray(this.renderers);
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Log.verboseinfo("Loaded " + renderers.size() + " renderers for map '" + getClass().toString() + "'.");
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}
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@Override
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public MapTile[] getTiles(Location loc) {
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DynmapWorld world = MapManager.mapman.getWorld(loc.getWorld().getName());
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HashSet<MapTile> tiles = new HashSet<MapTile>();
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Vector3D block = new Vector3D();
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block.setFromLocation(loc); /* Get coordinate for block */
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Vector3D corner = new Vector3D();
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/* Loop through corners of the cube */
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for(int i = 0; i < 2; i++) {
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double inity = block.y;
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for(int j = 0; j < 2; j++) {
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double initz = block.z;
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for(int k = 0; k < 2; k++) {
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world_to_map.transform(block, corner); /* Get map coordinate of corner */
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addTile(tiles, world, (int)Math.floor(corner.x/tileWidth), (int)Math.floor(corner.y/tileHeight));
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block.z += 1;
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}
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block.z = initz;
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block.y += 1;
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}
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block.y = inity;
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block.x += 1;
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}
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MapTile[] result = tiles.toArray(new MapTile[tiles.size()]);
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Log.info("processed update for " + loc);
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for(MapTile mt : result)
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Log.info("need to render " + mt);
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return result;
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}
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@Override
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public MapTile[] getAdjecentTiles(MapTile tile) {
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HDMapTile t = (HDMapTile) tile;
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DynmapWorld w = t.getDynmapWorld();
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int x = t.tx;
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int y = t.ty;
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return new MapTile[] {
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new HDMapTile(w, this, t.renderer, x, y - 1),
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new HDMapTile(w, this, t.renderer, x + 1, y),
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new HDMapTile(w, this, t.renderer, x, y + 1),
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new HDMapTile(w, this, t.renderer, x - 1, y) };
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}
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public void addTile(HashSet<MapTile> tiles, DynmapWorld world, int tx, int ty) {
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for (int i = 0; i < renderers.length; i++) {
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tiles.add(new HDMapTile(world, this, renderers[i], tx, ty));
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}
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}
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public void invalidateTile(MapTile tile) {
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}
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private static class Rectangle {
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double r0x, r0z; /* Coord of corner of rectangle */
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double s1x, s1z; /* Side vector for one edge */
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double s2x, s2z; /* Side vector for other edge */
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public Rectangle(Vector3D v1, Vector3D v2, Vector3D v3) {
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r0x = v1.x;
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r0z = v1.z;
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s1x = v2.x - v1.x;
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s1z = v2.z - v1.z;
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s2x = v3.x - v1.x;
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s2z = v3.z - v1.z;
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}
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public Rectangle() {
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}
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public void setSquare(double rx, double rz, double s) {
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this.r0x = rx;
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this.r0z = rz;
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this.s1x = s;
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this.s1z = 0;
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this.s2x = 0;
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this.s2z = s;
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}
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double getX(int idx) {
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return r0x + (((idx & 1) == 0)?0:s1x) + (((idx & 2) != 0)?0:s2x);
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}
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double getZ(int idx) {
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return r0z + (((idx & 1) == 0)?0:s1z) + (((idx & 2) != 0)?0:s2z);
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}
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/**
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* Test for overlap of projection of one vector on to anoter
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*/
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boolean testoverlap(double rx, double rz, double sx, double sz, Rectangle r) {
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double rmin_dot_s0 = Double.MAX_VALUE;
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double rmax_dot_s0 = Double.MIN_VALUE;
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/* Project each point from rectangle on to vector: find lowest and highest */
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for(int i = 0; i < 4; i++) {
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double r_x = r.getX(i) - rx; /* Get relative positon of second vector start to origin */
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double r_z = r.getZ(i) - rz;
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double r_dot_s0 = r_x*sx + r_z*sz; /* Projection of start of vector */
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if(r_dot_s0 < rmin_dot_s0) rmin_dot_s0 = r_dot_s0;
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if(r_dot_s0 > rmax_dot_s0) rmax_dot_s0 = r_dot_s0;
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}
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/* Compute dot products */
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double s0_dot_s0 = sx*sx + sz*sz; /* End of our side */
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if((rmax_dot_s0 < 0.0) || (rmin_dot_s0 > s0_dot_s0))
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return false;
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else
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return true;
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}
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/**
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* Test if two rectangles intersect
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* Based on separating axis theorem
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*/
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boolean testRectangleIntesectsRectangle(Rectangle r) {
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/* Test if projection of each edge of one rectangle on to each edge of the other yields overlap */
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if(testoverlap(r0x, r0z, s1x, s1z, r) && testoverlap(r0x, r0z, s2x, s2z, r) &&
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testoverlap(r0x+s1x, r0z+s1z, s2x, s2z, r) && testoverlap(r0x+s2x, r0z+s2z, s1x, s1z, r) &&
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r.testoverlap(r.r0x, r.r0z, r.s1x, r.s1z, this) && r.testoverlap(r.r0x, r.r0z, r.s2x, r.s2z, this) &&
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r.testoverlap(r.r0x+r.s1x, r.r0z+r.s1z, r.s2x, r.s2z, this) && r.testoverlap(r.r0x+r.s2x, r.r0z+r.s2z, r.s1x, r.s1z, this)) {
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return true;
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}
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else {
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return false;
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}
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}
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public String toString() {
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return "{ " + r0x + "," + r0z + "}x{" + (r0x+s1x) + ","+ + (r0z+s1z) + "}x{" + (r0x+s2x) + "," + (r0z+s2z) + "}";
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}
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}
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@Override
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public List<DynmapChunk> getRequiredChunks(MapTile tile) {
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if (!(tile instanceof HDMapTile))
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return Collections.emptyList();
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HDMapTile t = (HDMapTile) tile;
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int min_chunk_x = Integer.MAX_VALUE;
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int max_chunk_x = Integer.MIN_VALUE;
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int min_chunk_z = Integer.MAX_VALUE;
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int max_chunk_z = Integer.MIN_VALUE;
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/* Make corners for volume: 0 = bottom-lower-left, 1 = top-lower-left, 2=bottom-upper-left, 3=top-upper-left
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* 4 = bottom-lower-right, 5 = top-lower-right, 6 = bottom-upper-right, 7 = top-upper-right */
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Vector3D corners[] = new Vector3D[8];
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int[] chunk_x = new int[8];
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int[] chunk_z = new int[8];
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for(int x = t.tx, idx = 0; x <= (t.tx+1); x++) {
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for(int y = t.ty; y <= (t.ty+1); y++) {
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for(int z = 0; z <= 1; z++) {
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corners[idx] = new Vector3D();
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corners[idx].x = x*tileWidth; corners[idx].y = y*tileHeight; corners[idx].z = z*128;
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map_to_world.transform(corners[idx]);
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/* Compute chunk coordinates of corner */
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chunk_x[idx] = (int)Math.floor(corners[idx].x / 16);
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chunk_z[idx] = (int)Math.floor(corners[idx].z / 16);
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/* Compute min/max of chunk coordinates */
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if(min_chunk_x > chunk_x[idx]) min_chunk_x = chunk_x[idx];
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if(max_chunk_x < chunk_x[idx]) max_chunk_x = chunk_x[idx];
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if(min_chunk_z > chunk_z[idx]) min_chunk_z = chunk_z[idx];
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if(max_chunk_z < chunk_z[idx]) max_chunk_z = chunk_z[idx];
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idx++;
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}
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}
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}
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/* Make rectangles of X-Z projection of each side of the tile volume, 0 = top, 1 = bottom, 2 = left, 3 = right,
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* 4 = upper, 5 = lower */
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Rectangle rect[] = new Rectangle[6];
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rect[0] = new Rectangle(corners[1], corners[3], corners[5]);
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rect[1] = new Rectangle(corners[0], corners[2], corners[4]);
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rect[2] = new Rectangle(corners[0], corners[1], corners[2]);
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rect[3] = new Rectangle(corners[4], corners[5], corners[6]);
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rect[4] = new Rectangle(corners[2], corners[3], corners[6]);
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rect[5] = new Rectangle(corners[0], corners[1], corners[4]);
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/* Now, need to walk through the min/max range to see which chunks are actually needed */
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ArrayList<DynmapChunk> chunks = new ArrayList<DynmapChunk>();
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Rectangle chunkrect = new Rectangle();
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int misscnt = 0;
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for(int x = min_chunk_x; x <= max_chunk_x; x++) {
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for(int z = min_chunk_z; z <= max_chunk_z; z++) {
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chunkrect.setSquare(x*16, z*16, 16);
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boolean hit = false;
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/* Check to see if square of chunk intersects any of our rectangle sides */
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for(int rctidx = 0; (!hit) && (rctidx < rect.length); rctidx++) {
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if(chunkrect.testRectangleIntesectsRectangle(rect[rctidx])) {
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hit = true;
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}
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}
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if(hit) {
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DynmapChunk chunk = new DynmapChunk(x, z);
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chunks.add(chunk);
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}
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else {
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misscnt++;
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}
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}
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}
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return chunks;
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}
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@Override
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public boolean render(MapChunkCache cache, MapTile tile, File outputFile) {
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HDMapTile t = (HDMapTile) tile;
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World w = t.getWorld();
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boolean rendered = false;
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Color rslt = new Color();
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int[] pixel = new int[4];
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KzedBufferedImage im = KzedMap.allocateBufferedImage(tileWidth, tileHeight);
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int[] argb_buf = im.argb_buf;
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MapIterator mapiter = cache.getIterator(0, 0, 0);
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Vector3D top = new Vector3D();
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Vector3D bottom = new Vector3D();
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double xbase = t.tx * tileWidth;
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double ybase = t.ty * tileHeight;
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boolean odd = false;
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for(int x = 0; x < tileWidth; x++) {
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for(int y = 0; y < tileHeight; y++) {
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top.x = bottom.x = xbase + x + 0.5; /* Start at center of pixel at Y=127.5, bottom at Y=-0.5 */
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top.y = bottom.y = ybase + y + 0.5;
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top.z = 127.5; bottom.z = -0.5;
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map_to_world.transform(top); /* Transform to world coordinates */
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map_to_world.transform(bottom);
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raytrace(cache, mapiter, top, bottom, rslt, odd);
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argb_buf[(tileHeight-y-1)*tileWidth + x] = rslt.getARGB();
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rendered = true;
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odd = !odd;
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}
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odd = !odd;
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}
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/* Test to see if we're unchanged from older tile */
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TileHashManager hashman = MapManager.mapman.hashman;
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long crc = hashman.calculateTileHash(argb_buf);
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boolean tile_update = false;
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FileLockManager.getWriteLock(outputFile);
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try {
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if((!outputFile.exists()) || (crc != hashman.getImageHashCode(tile.getKey(), null, t.tx, t.ty))) {
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/* Wrap buffer as buffered image */
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Debug.debug("saving image " + outputFile.getPath());
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if(!outputFile.getParentFile().exists())
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outputFile.getParentFile().mkdirs();
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try {
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FileLockManager.imageIOWrite(im.buf_img, "png", outputFile);
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} catch (IOException e) {
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Debug.error("Failed to save image: " + outputFile.getPath(), e);
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} catch (java.lang.NullPointerException e) {
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Debug.error("Failed to save image (NullPointerException): " + outputFile.getPath(), e);
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}
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MapManager.mapman.pushUpdate(tile.getWorld(), new Client.Tile(tile.getFilename()));
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hashman.updateHashCode(tile.getKey(), null, t.tx, t.ty, crc);
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tile.getDynmapWorld().enqueueZoomOutUpdate(outputFile);
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tile_update = true;
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}
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else {
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Debug.debug("skipping image " + outputFile.getPath() + " - hash match");
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}
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} finally {
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FileLockManager.releaseWriteLock(outputFile);
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KzedMap.freeBufferedImage(im);
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}
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MapManager.mapman.updateStatistics(tile, null, true, tile_update, !rendered);
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return rendered;
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}
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public enum BlockStep {
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X_PLUS,
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Y_PLUS,
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Z_PLUS,
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X_MINUS,
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Y_MINUS,
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Z_MINUS
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};
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/**
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* Trace ray, based on "Voxel Tranversal along a 3D line"
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*/
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private void raytrace(MapChunkCache cache, MapIterator mapiter, Vector3D top, Vector3D bottom, Color rslt, boolean odd) {
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/* Compute total delta on each axis */
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double dx = Math.abs(bottom.x - top.x);
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double dy = Math.abs(bottom.y - top.y);
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double dz = Math.abs(bottom.z - top.z);
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/* Initial block coord */
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int x = (int) (Math.floor(top.x));
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int y = (int) (Math.floor(top.y));
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int z = (int) (Math.floor(top.z));
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/* Compute parametric step (dt) per step on each axis */
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double dt_dx = 1.0 / dx;
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double dt_dy = 1.0 / dy;
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double dt_dz = 1.0 / dz;
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/* Initialize parametric value to 0 (and we're stepping towards 1) */
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double t = 0;
|
|
/* Compute number of steps and increments for each */
|
|
int n = 1;
|
|
int x_inc, y_inc, z_inc;
|
|
|
|
double t_next_y, t_next_x, t_next_z;
|
|
/* If perpendicular to X axis */
|
|
if (dx == 0) {
|
|
x_inc = 0;
|
|
t_next_x = Double.MAX_VALUE;
|
|
}
|
|
/* If bottom is right of top */
|
|
else if (bottom.x > top.x) {
|
|
x_inc = 1;
|
|
n += (int) (Math.floor(bottom.x)) - x;
|
|
t_next_x = (Math.floor(top.x) + 1 - top.x) * dt_dx;
|
|
}
|
|
/* Top is right of bottom */
|
|
else {
|
|
x_inc = -1;
|
|
n += x - (int) (Math.floor(bottom.x));
|
|
t_next_x = (top.x - Math.floor(top.x)) * dt_dx;
|
|
}
|
|
/* If perpendicular to Y axis */
|
|
if (dy == 0) {
|
|
y_inc = 0;
|
|
t_next_y = Double.MAX_VALUE;
|
|
}
|
|
/* If bottom is above top */
|
|
else if (bottom.y > top.y) {
|
|
y_inc = 1;
|
|
n += (int) (Math.floor(bottom.y)) - y;
|
|
t_next_y = (Math.floor(top.y) + 1 - top.y) * dt_dy;
|
|
}
|
|
/* If top is above bottom */
|
|
else {
|
|
y_inc = -1;
|
|
n += y - (int) (Math.floor(bottom.y));
|
|
t_next_y = (top.y - Math.floor(top.y)) * dt_dy;
|
|
}
|
|
/* If perpendicular to Z axis */
|
|
if (dz == 0) {
|
|
z_inc = 0;
|
|
t_next_z = Double.MAX_VALUE;
|
|
}
|
|
/* If bottom right of top */
|
|
else if (bottom.z > top.z) {
|
|
z_inc = 1;
|
|
n += (int) (Math.floor(bottom.z)) - z;
|
|
t_next_z = (Math.floor(top.z) + 1 - top.z) * dt_dz;
|
|
}
|
|
/* If bottom left of top */
|
|
else {
|
|
z_inc = -1;
|
|
n += z - (int) (Math.floor(bottom.z));
|
|
t_next_z = (top.z - Math.floor(top.z)) * dt_dz;
|
|
}
|
|
/* Walk through scene */
|
|
rslt.setTransparent();
|
|
BlockStep laststep = BlockStep.Y_MINUS; /* Last step is down into map */
|
|
mapiter.initialize(x, y, z);
|
|
for (; n > 0; --n) {
|
|
int blocktype = mapiter.getBlockTypeID();
|
|
if(blocktype != 0) {
|
|
Color[] clr = colorScheme.colors[blocktype];
|
|
if(clr != null) {
|
|
if(laststep == BlockStep.Y_MINUS)
|
|
rslt.setColor(odd?clr[0]:clr[2]);
|
|
else if((laststep == BlockStep.X_PLUS) || (laststep == BlockStep.X_MINUS))
|
|
rslt.setColor(clr[1]);
|
|
else
|
|
rslt.setColor(clr[3]);
|
|
}
|
|
return;
|
|
}
|
|
/* If X step is next best */
|
|
if((t_next_x <= t_next_y) && (t_next_x <= t_next_z)) {
|
|
x += x_inc;
|
|
t = t_next_x;
|
|
t_next_x += dt_dx;
|
|
if(x_inc > 0) {
|
|
laststep = BlockStep.X_PLUS;
|
|
mapiter.incrementX();
|
|
}
|
|
else {
|
|
laststep = BlockStep.X_MINUS;
|
|
mapiter.decrementX();
|
|
}
|
|
}
|
|
/* If Y step is next best */
|
|
else if((t_next_y <= t_next_x) && (t_next_y <= t_next_z)) {
|
|
y += y_inc;
|
|
t = t_next_y;
|
|
t_next_y += dt_dy;
|
|
if(y_inc > 0) {
|
|
laststep = BlockStep.Y_PLUS;
|
|
mapiter.incrementY();
|
|
if(mapiter.getY() > 127)
|
|
return;
|
|
}
|
|
else {
|
|
laststep = BlockStep.Y_MINUS;
|
|
mapiter.decrementY();
|
|
if(mapiter.getY() < 0)
|
|
return;
|
|
}
|
|
}
|
|
/* Else, Z step is next best */
|
|
else {
|
|
z += z_inc;
|
|
t = t_next_z;
|
|
t_next_z += dt_dz;
|
|
if(z_inc > 0) {
|
|
laststep = BlockStep.Z_PLUS;
|
|
mapiter.incrementZ();
|
|
}
|
|
else {
|
|
laststep = BlockStep.Z_MINUS;
|
|
mapiter.decrementZ();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public boolean isBiomeDataNeeded() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean isRawBiomeDataNeeded() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public List<String> baseZoomFilePrefixes() {
|
|
ArrayList<String> s = new ArrayList<String>();
|
|
for(HDMapTileRenderer r : renderers) {
|
|
s.add(r.getName());
|
|
}
|
|
return s;
|
|
}
|
|
|
|
public int baseZoomFileStepSize() { return 1; }
|
|
|
|
private static final int[] stepseq = { 3, 1, 2, 0 };
|
|
|
|
public MapStep zoomFileMapStep() { return MapStep.X_PLUS_Y_MINUS; }
|
|
|
|
public int[] zoomFileStepSequence() { return stepseq; }
|
|
|
|
/* How many bits of coordinate are shifted off to make big world directory name */
|
|
public int getBigWorldShift() { return 5; }
|
|
|
|
@Override
|
|
public String getName() {
|
|
return "HDMap";
|
|
}
|
|
|
|
@Override
|
|
public void buildClientConfiguration(JSONObject worldObject) {
|
|
for(HDMapTileRenderer renderer : renderers) {
|
|
renderer.buildClientConfiguration(worldObject);
|
|
}
|
|
}
|
|
}
|