diff --git a/configuration.txt b/configuration.txt index 13ff9835..c42e4c88 100644 --- a/configuration.txt +++ b/configuration.txt @@ -73,9 +73,9 @@ renderinterval: 1 enabletilehash: true render-triggers: -# - chunkloaded -# - playermove -# - playerjoin + #- chunkloaded + #- playermove + #- playerjoin - blockplaced - blockbreak - snowform @@ -124,8 +124,8 @@ templates: # Template for normal world normal: enabled: true - # If bigworld set to true, use alternate directory layout better suited to large worlds - # bigworld: true + # # If bigworld set to true, use alternate directory layout better suited to large worlds + # bigworld: true center: x: 0 y: 64 @@ -136,19 +136,19 @@ templates: title: "Flat" prefix: flat colorscheme: default - # To render a world as a "night view", set shadowstrength and ambientlight - # shadowstrength: 1.0 - # ambientlight: 4 - # To render both night and day versions of tiles (when ambientlight is set), set true - # night-and-day: true - # Option to turn on transparency support (off by default) - slows render - # transparency: true - # Background color for map during the day - # backgroundday: "#153E7E" - # Background color for map during the night - # backgroundnight: "#000000" - # Backgrounc color for map (independent of night/day) - # background: "#000000" + # # To render a world as a "night view", set shadowstrength and ambientlight + # shadowstrength: 1.0 + # ambientlight: 4 + # # To render both night and day versions of tiles (when ambientlight is set), set true + # night-and-day: true + # # Option to turn on transparency support (off by default) - slows render + # transparency: true + # # Background color for map during the day + # backgroundday: "#153E7E" + # # Background color for map during the night + # backgroundnight: "#000000" + # # Background color for map (independent of night/day) + # background: "#000000" - class: org.dynmap.kzedmap.KzedMap renderers: - class: org.dynmap.kzedmap.DefaultTileRenderer @@ -157,30 +157,31 @@ templates: prefix: t maximumheight: 127 colorscheme: default - # Add shadows to world (based on top-down shadows from chunk data) - # shadowstrength: 1.0 - # To render a world as a "night view", set shadowstrength and ambientlight - # ambientlight: 4 - # To render both night and day versions of tiles (when ambientlight is set), set true - # night-and-day: true - # Option to turn off transparency support (on by default) - speeds render - # transparency: false - # Background color for map during the day - # backgroundday: "#153E7E" - # Background color for map during the night - # backgroundnight: "#000000" - # Backgrounc color for map (independent of night/day) - # background: "#000000" - # Sets the icon to 'images/block_custom.png' - # icon: custom - #- class: org.dynmap.kzedmap.HighlightTileRenderer - # prefix: ht - # maximumheight: 127 - # colorscheme: default - # highlight: # For highlighting multiple block-types. - # - 56 # Highlight diamond-ore - # - 66 # Highlight minecart track - # highlight: 56 # For highlighting a single block-type. + # # Add shadows to world (based on top-down shadows from chunk data) + # shadowstrength: 1.0 + # # To render a world as a "night view", set shadowstrength and ambientlight + # ambientlight: 4 + # # To render both night and day versions of tiles (when ambientlight is set), set true + # night-and-day: true + # # Option to turn off transparency support (on by default) - speeds render + # transparency: false + # # Background color for map during the day + # backgroundday: "#153E7E" + # # Background color for map during the night + # backgroundnight: "#000000" + # # Background color for map (independent of night/day) + # background: "#000000" + # # Sets the icon to 'images/block_custom.png' + # icon: custom + + # - class: org.dynmap.kzedmap.HighlightTileRenderer + # prefix: ht + # maximumheight: 127 + # colorscheme: default + # highlight: # For highlighting multiple block-types. + # - 56 # Highlight diamond-ore + # - 66 # Highlight minecart track + # highlight: 56 # For highlighting a single block-type. - class: org.dynmap.kzedmap.CaveTileRenderer name: cave title: "Cave" @@ -189,8 +190,8 @@ templates: # Nether world template nether: enabled: true - # If bigworld set to true, use alternate directory layout better suited to large worlds - # bigworld: true + # # If bigworld set to true, use alternate directory layout better suited to large worlds + # bigworld: true center: x: 0 y: 64 @@ -216,8 +217,8 @@ templates: # Skylands world template skylands: enabled: true - # If bigworld set to true, use alternate directory layout better suited to large worlds - # bigworld: true + # # If bigworld set to true, use alternate directory layout better suited to large worlds + # bigworld: true center: x: 0 y: 64 @@ -269,6 +270,18 @@ worlds: # - x: -15000 # y: 64 # z: -5000 + # # Use visbilitylimits to restrict which areas of maps on your world to render (zero or more rectangles can be defined) + # visibilitylimits: + # - x0: -1000 + # z0: -1000 + # x1: 1000 + # z1: 1000 + # - x0: -2000 + # z0: -1000 + # x1: -1000 + # z1: -500 + # # Use hidestyle to control how hidden-but-existing chunks are to be rendered (air=empty air (same as ungenerated), stone=a flat stone plain, ocean=a flat ocean) + # hidestyle: stone # Use 'template: mycustomtemplate' to use the properties specified in the template 'mycustomtemplate' to this world. Default it is set to the environment-name (normal or nether). # template: mycustomtemplate # Rest of comes from template - uncomment to tailor for world specifically @@ -277,7 +290,7 @@ worlds: # y: 64 # z: 0 # # If bigworld set to true, use alternate directory layout better suited to large worlds - # # bigworld: true + # bigworld: true # maps: # - class: org.dynmap.flat.FlatMap # name: flat @@ -285,18 +298,18 @@ worlds: # prefix: flat # colorscheme: default # # To render a world as a "night view", set shadowstrength and ambientlight - # # shadowstrength: 1.0 - # # ambientlight: 4 + # shadowstrength: 1.0 + # ambientlight: 4 # # To render both night and day versions of tiles (when ambientlight is set), set true - # # night-and-day: true + # night-and-day: true # # Option to turn on transparency support (off by default) - slows render - # # transparency: true + # transparency: true # # Background color for map during the day - # # backgroundday: "#153E7E" + # backgroundday: "#153E7E" # # Background color for map during the night - # # backgroundnight: "#000000" + # backgroundnight: "#000000" # # Backgrounc color for map (independent of night/day) - # # background: "#000000" + # background: "#000000" # - class: org.dynmap.kzedmap.KzedMap # renderers: # - class: org.dynmap.kzedmap.DefaultTileRenderer @@ -306,29 +319,29 @@ worlds: # maximumheight: 127 # colorscheme: default # # Add shadows to world (based on top-down shadows from chunk data) - # # shadowstrength: 1.0 + # shadowstrength: 1.0 # # To render a world as a "night view", set shadowstrength and ambientlight - # # ambientlight: 4 + # ambientlight: 4 # # To render both night and day versions of tiles (when ambientlight is set), set true - # # night-and-day: true + # night-and-day: true # # Option to turn off transparency support (on by default) - speeds render - # # transparency: false + # transparency: false # # Background color for map during the day - # # backgroundday: "#153E7E" + # backgroundday: "#153E7E" # # Background color for map during the night - # # backgroundnight: "#000000" + # backgroundnight: "#000000" # # Backgrounc color for map (independent of night/day) - # # background: "#000000" + # background: "#000000" # # Sets the icon to 'images/block_custom.png' - # # icon: custom - # #- class: org.dynmap.kzedmap.HighlightTileRenderer - # # prefix: ht - # # maximumheight: 127 - # # colorscheme: default - # # highlight: # For highlighting multiple block-types. - # # - 56 # Highlight diamond-ore - # # - 66 # Highlight minecart track - # # highlight: 56 # For highlighting a single block-type. + # icon: custom + # - class: org.dynmap.kzedmap.HighlightTileRenderer + # prefix: ht + # maximumheight: 127 + # colorscheme: default + # highlight: # For highlighting multiple block-types. + # - 56 # Highlight diamond-ore + # - 66 # Highlight minecart track + # highlight: 56 # For highlighting a single block-type. # - class: org.dynmap.kzedmap.CaveTileRenderer # name: cave # title: "Cave" diff --git a/src/main/java/org/dynmap/DynmapWorld.java b/src/main/java/org/dynmap/DynmapWorld.java index 71a8a3e7..8933a129 100644 --- a/src/main/java/org/dynmap/DynmapWorld.java +++ b/src/main/java/org/dynmap/DynmapWorld.java @@ -5,6 +5,7 @@ import java.util.List; import org.bukkit.World; import org.bukkit.Location; +import org.dynmap.utils.MapChunkCache; public class DynmapWorld { public World world; @@ -12,6 +13,8 @@ public class DynmapWorld { public UpdateQueue updates = new UpdateQueue(); public ConfigurationNode configuration; public List seedloc; + public List visibility_limits; + public MapChunkCache.HiddenChunkStyle hiddenchunkstyle; public int servertime; public boolean sendposition; public boolean sendhealth; diff --git a/src/main/java/org/dynmap/MapManager.java b/src/main/java/org/dynmap/MapManager.java index eeaa6ca1..589cbcc7 100644 --- a/src/main/java/org/dynmap/MapManager.java +++ b/src/main/java/org/dynmap/MapManager.java @@ -164,7 +164,7 @@ public class MapManager { World w = world.world; /* Fetch chunk cache from server thread */ DynmapChunk[] requiredChunks = tile.getMap().getRequiredChunks(tile); - MapChunkCache cache = createMapChunkCache(w, requiredChunks); + MapChunkCache cache = createMapChunkCache(world, requiredChunks); if(cache == null) { cleanup(); return; /* Cancelled/aborted */ @@ -309,6 +309,29 @@ public class MapManager { dynmapWorld.seedloc.add(lx); } } + /* Load visibility limits, if any are defined */ + List vislimits = worldConfiguration.getNodes("visibilitylimits"); + if(vislimits != null) { + dynmapWorld.visibility_limits = new ArrayList(); + for(ConfigurationNode vis : vislimits) { + MapChunkCache.VisibilityLimit lim = new MapChunkCache.VisibilityLimit(); + lim.x0 = vis.getInteger("x0", 0); + lim.x1 = vis.getInteger("x1", 0); + lim.z0 = vis.getInteger("z0", 0); + lim.z1 = vis.getInteger("z1", 0); + dynmapWorld.visibility_limits.add(lim); + /* Also, add a seed location for the middle of each visible area */ + dynmapWorld.seedloc.add(new Location(w, (lim.x0+lim.x1)/2, 64, (lim.z0+lim.z1)/2)); + } + } + String hiddenchunkstyle = worldConfiguration.getString("hidestyle", "stone"); + if(hiddenchunkstyle.equals("air")) + dynmapWorld.hiddenchunkstyle = MapChunkCache.HiddenChunkStyle.FILL_AIR; + else if(hiddenchunkstyle.equals("ocean")) + dynmapWorld.hiddenchunkstyle = MapChunkCache.HiddenChunkStyle.FILL_OCEAN; + else + dynmapWorld.hiddenchunkstyle = MapChunkCache.HiddenChunkStyle.FILL_STONE_PLAIN; + // TODO: Make this less... weird... // Insert the world on the same spot as in the configuration. @@ -416,7 +439,7 @@ public class MapManager { /** * Render processor helper - used by code running on render threads to request chunk snapshot cache from server/sync thread */ - public MapChunkCache createMapChunkCache(final World w, final DynmapChunk[] chunks) { + public MapChunkCache createMapChunkCache(final DynmapWorld w, final DynmapChunk[] chunks) { Callable job = new Callable() { public MapChunkCache call() { MapChunkCache c = null; @@ -428,7 +451,13 @@ public class MapManager { } if(c == null) c = new LegacyMapChunkCache(); - c.loadChunks(w, chunks); + if(w.visibility_limits != null) { + for(MapChunkCache.VisibilityLimit limit: w.visibility_limits) { + c.setVisibleRange(limit); + } + c.setHiddenFillStyle(w.hiddenchunkstyle); + } + c.loadChunks(w.world, chunks); return c; } }; diff --git a/src/main/java/org/dynmap/utils/LegacyMapChunkCache.java b/src/main/java/org/dynmap/utils/LegacyMapChunkCache.java index 1e2ca23b..6a2b467f 100644 --- a/src/main/java/org/dynmap/utils/LegacyMapChunkCache.java +++ b/src/main/java/org/dynmap/utils/LegacyMapChunkCache.java @@ -1,19 +1,20 @@ package org.dynmap.utils; import java.lang.reflect.Method; +import java.util.ArrayList; import java.lang.reflect.Field; -import java.util.LinkedList; import org.bukkit.World; import org.bukkit.Chunk; import org.bukkit.entity.Entity; import org.dynmap.DynmapChunk; import org.dynmap.Log; +import java.util.List; + /** * Container for managing chunks - dependent upon using chunk snapshots, since rendering is off server thread */ public class LegacyMapChunkCache implements MapChunkCache { - private World w; private static Method getchunkdata = null; private static Method gethandle = null; private static Method poppreservedchunk = null; @@ -22,6 +23,8 @@ public class LegacyMapChunkCache implements MapChunkCache { private int x_min, x_max, z_min, z_max; private int x_dim; + private HiddenChunkStyle hidestyle = HiddenChunkStyle.FILL_AIR; + private List visible_limits = null; private LegacyChunkSnapshot[] snaparray; /* Index = (x-x_min) + ((z-z_min)*x_dim) */ @@ -115,7 +118,7 @@ public class LegacyMapChunkCache implements MapChunkCache { } /** - * Chunk cache for representing unloaded chunk + * Chunk cache for representing unloaded chunk (or air chunk) */ private static class EmptyChunk implements LegacyChunkSnapshot { public final int getBlockTypeId(int x, int y, int z) { @@ -131,11 +134,42 @@ public class LegacyMapChunkCache implements MapChunkCache { return 0; } public final int getHighestBlockYAt(int x, int z) { - return 1; + return 0; } } - + + /** + * Chunk cache for representing hidden chunk as stone + */ + private static class PlainChunk implements LegacyChunkSnapshot { + private int fillid; + PlainChunk(int fillid) { this.fillid = fillid; } + + public final int getBlockTypeId(int x, int y, int z) { + if(y < 64) + return fillid; + return 0; + } + public final int getBlockData(int x, int y, int z) { + return 0; + } + public final int getBlockSkyLight(int x, int y, int z) { + if(y < 64) + return 0; + return 15; + } + public final int getBlockEmittedLight(int x, int y, int z) { + return 0; + } + public final int getHighestBlockYAt(int x, int z) { + return 64; + } + } + private static final EmptyChunk EMPTY = new EmptyChunk(); + private static final PlainChunk STONE = new PlainChunk(1); + private static final PlainChunk OCEAN = new PlainChunk(9); + /** * Construct empty cache @@ -175,7 +209,6 @@ public class LegacyMapChunkCache implements MapChunkCache { } x_dim = x_max - x_min + 1; } - this.w = w; if(!initialized) { try { @@ -208,22 +241,43 @@ public class LegacyMapChunkCache implements MapChunkCache { if(gethandle != null) { // Load the required chunks. for (DynmapChunk chunk : chunks) { + boolean vis = true; + if(visible_limits != null) { + vis = false; + for(VisibilityLimit limit : visible_limits) { + if((chunk.x >= limit.x0) && (chunk.x <= limit.x1) && (chunk.z >= limit.z0) && (chunk.z <= limit.z1)) { + vis = true; + break; + } + } + } boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z); boolean didload = w.loadChunk(chunk.x, chunk.z, false); /* If it did load, make cache of it */ if(didload) { - Chunk c = w.getChunkAt(chunk.x, chunk.z); - try { - Object cc = gethandle.invoke(c); - byte[] buf = new byte[32768 + 16384 + 16384 + 16384]; /* Get big enough buffer for whole chunk */ - getchunkdata.invoke(cc, buf, 0, 0, 0, 16, 128, 16, 0); - byte[] h = (byte[])heightmap.get(cc); - byte[] hmap = new byte[256]; - System.arraycopy(h, 0, hmap, 0, 256); - CraftChunkSnapshot ss = new CraftChunkSnapshot(chunk.x, chunk.z, buf, hmap); - snaparray[(chunk.x-x_min) + (chunk.z - z_min)*x_dim] = ss; - } catch (Exception x) { + LegacyChunkSnapshot ss = null; + if(!vis) { + if(hidestyle == HiddenChunkStyle.FILL_STONE_PLAIN) + ss = STONE; + else if(hidestyle == HiddenChunkStyle.FILL_OCEAN) + ss = OCEAN; + else + ss = EMPTY; } + else { + Chunk c = w.getChunkAt(chunk.x, chunk.z); + try { + Object cc = gethandle.invoke(c); + byte[] buf = new byte[32768 + 16384 + 16384 + 16384]; /* Get big enough buffer for whole chunk */ + getchunkdata.invoke(cc, buf, 0, 0, 0, 16, 128, 16, 0); + byte[] h = (byte[])heightmap.get(cc); + byte[] hmap = new byte[256]; + System.arraycopy(h, 0, hmap, 0, 256); + ss = new CraftChunkSnapshot(chunk.x, chunk.z, buf, hmap); + } catch (Exception x) { + } + } + snaparray[(chunk.x-x_min) + (chunk.z - z_min)*x_dim] = ss; } if ((!wasLoaded) && didload) { /* It looks like bukkit "leaks" entities - they don't get removed from the world-level table @@ -305,4 +359,33 @@ public class LegacyMapChunkCache implements MapChunkCache { public MapIterator getIterator(int x, int y, int z) { return new OurMapIterator(x, y, z); } + /** + * Set hidden chunk style (default is FILL_AIR) + */ + public void setHiddenFillStyle(HiddenChunkStyle style) { + this.hidestyle = style; + } + /** + * Add visible area limit - can be called more than once + * Needs to be set before chunks are loaded + * Coordinates are block coordinates + */ + public void setVisibleRange(VisibilityLimit lim) { + VisibilityLimit limit = new VisibilityLimit(); + if(lim.x0 > lim.x1) { + limit.x0 = (lim.x1 >> 4); limit.x1 = ((lim.x0+15) >> 4); + } + else { + limit.x0 = (lim.x0 >> 4); limit.x1 = ((lim.x1+15) >> 4); + } + if(lim.z0 > lim.z1) { + limit.z0 = (lim.z1 >> 4); limit.z1 = ((lim.z0+15) >> 4); + } + else { + limit.z0 = (lim.z0 >> 4); limit.z1 = ((lim.z1+15) >> 4); + } + if(visible_limits == null) + visible_limits = new ArrayList(); + visible_limits.add(limit); + } } diff --git a/src/main/java/org/dynmap/utils/MapChunkCache.java b/src/main/java/org/dynmap/utils/MapChunkCache.java index 9ce1fd7f..897af9d2 100644 --- a/src/main/java/org/dynmap/utils/MapChunkCache.java +++ b/src/main/java/org/dynmap/utils/MapChunkCache.java @@ -3,6 +3,14 @@ import org.bukkit.World; import org.dynmap.DynmapChunk; public interface MapChunkCache { + public enum HiddenChunkStyle { + FILL_AIR, + FILL_STONE_PLAIN, + FILL_OCEAN + }; + public static class VisibilityLimit { + public int x0, x1, z0, z1; + } /** * Load chunks into cache * @param w - world @@ -37,4 +45,14 @@ public interface MapChunkCache { * Get cache iterator */ public MapIterator getIterator(int x, int y, int z); + /** + * Set hidden chunk style (default is FILL_AIR) + */ + public void setHiddenFillStyle(HiddenChunkStyle style); + /** + * Add visible area limit - can be called more than once + * Needs to be set before chunks are loaded + * Coordinates are block coordinates + */ + public void setVisibleRange(VisibilityLimit limit); } diff --git a/src/main/java/org/dynmap/utils/NewMapChunkCache.java b/src/main/java/org/dynmap/utils/NewMapChunkCache.java index 6d83f647..1cd63cb1 100644 --- a/src/main/java/org/dynmap/utils/NewMapChunkCache.java +++ b/src/main/java/org/dynmap/utils/NewMapChunkCache.java @@ -1,7 +1,9 @@ package org.dynmap.utils; import java.lang.reflect.Method; -import java.util.LinkedList; +import java.util.ArrayList; +import java.util.List; + import org.bukkit.World; import org.bukkit.Chunk; import org.bukkit.block.Biome; @@ -14,13 +16,13 @@ import org.dynmap.Log; * Container for managing chunks - dependent upon using chunk snapshots, since rendering is off server thread */ public class NewMapChunkCache implements MapChunkCache { - private World w; - private static Method poppreservedchunk = null; private int x_min, x_max, z_min, z_max; private int x_dim; - + private HiddenChunkStyle hidestyle = HiddenChunkStyle.FILL_AIR; + private List visible_limits = null; + private ChunkSnapshot[] snaparray; /* Index = (x-x_min) + ((z-z_min)*x_dim) */ /** @@ -113,7 +115,7 @@ public class NewMapChunkCache implements MapChunkCache { } /** - * Chunk cache for representing unloaded chunk + * Chunk cache for representing unloaded chunk (or air) */ private static class EmptyChunk implements ChunkSnapshot { /* Need these for interface, but not used */ @@ -138,11 +140,49 @@ public class NewMapChunkCache implements MapChunkCache { return 0; } public final int getHighestBlockYAt(int x, int z) { - return 1; + return 0; } } - + + /** + * Chunk cache for representing generic stone chunk + */ + private static class PlainChunk implements ChunkSnapshot { + private int fillid; + PlainChunk(int fillid) { this.fillid = fillid; } + /* Need these for interface, but not used */ + public int getX() { return 0; } + public int getZ() { return 0; } + public String getWorldName() { return ""; } + public Biome getBiome(int x, int z) { return null; } + public double getRawBiomeTemperature(int x, int z) { return 0.0; } + public double getRawBiomeRainfall(int x, int z) { return 0.0; } + public long getCaptureFullTime() { return 0; } + + public final int getBlockTypeId(int x, int y, int z) { + if(y < 64) return fillid; + return 0; + } + public final int getBlockData(int x, int y, int z) { + return 0; + } + public final int getBlockSkyLight(int x, int y, int z) { + if(y < 64) + return 0; + return 15; + } + public final int getBlockEmittedLight(int x, int y, int z) { + return 0; + } + public final int getHighestBlockYAt(int x, int z) { + return 64; + } + } + private static final EmptyChunk EMPTY = new EmptyChunk(); + private static final PlainChunk STONE = new PlainChunk(1); + private static final PlainChunk OCEAN = new PlainChunk(9); + /** * Construct empty cache @@ -191,17 +231,38 @@ public class NewMapChunkCache implements MapChunkCache { } x_dim = x_max - x_min + 1; } - this.w = w; snaparray = new ChunkSnapshot[x_dim * (z_max-z_min+1)]; // Load the required chunks. for (DynmapChunk chunk : chunks) { + boolean vis = true; + if(visible_limits != null) { + vis = false; + for(VisibilityLimit limit : visible_limits) { + if((chunk.x >= limit.x0) && (chunk.x <= limit.x1) && (chunk.z >= limit.z0) && (chunk.z <= limit.z1)) { + vis = true; + break; + } + } + } boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z); boolean didload = w.loadChunk(chunk.x, chunk.z, false); /* If it did load, make cache of it */ if(didload) { - Chunk c = w.getChunkAt(chunk.x, chunk.z); - snaparray[(chunk.x-x_min) + (chunk.z - z_min)*x_dim] = c.getChunkSnapshot(); + ChunkSnapshot ss = null; + if(!vis) { + if(hidestyle == HiddenChunkStyle.FILL_STONE_PLAIN) + ss = STONE; + else if(hidestyle == HiddenChunkStyle.FILL_OCEAN) + ss = OCEAN; + else + ss = EMPTY; + } + else { + Chunk c = w.getChunkAt(chunk.x, chunk.z); + ss = c.getChunkSnapshot(); + } + snaparray[(chunk.x-x_min) + (chunk.z - z_min)*x_dim] = ss; } if ((!wasLoaded) && didload) { /* It looks like bukkit "leaks" entities - they don't get removed from the world-level table @@ -282,4 +343,33 @@ public class NewMapChunkCache implements MapChunkCache { public MapIterator getIterator(int x, int y, int z) { return new OurMapIterator(x, y, z); } + /** + * Set hidden chunk style (default is FILL_AIR) + */ + public void setHiddenFillStyle(HiddenChunkStyle style) { + this.hidestyle = style; + } + /** + * Add visible area limit - can be called more than once + * Needs to be set before chunks are loaded + * Coordinates are block coordinates + */ + public void setVisibleRange(VisibilityLimit lim) { + VisibilityLimit limit = new VisibilityLimit(); + if(lim.x0 > lim.x1) { + limit.x0 = (lim.x1 >> 4); limit.x1 = ((lim.x0+15) >> 4); + } + else { + limit.x0 = (lim.x0 >> 4); limit.x1 = ((lim.x1+15) >> 4); + } + if(lim.z0 > lim.z1) { + limit.z0 = (lim.z1 >> 4); limit.z1 = ((lim.z0+15) >> 4); + } + else { + limit.z0 = (lim.z0 >> 4); limit.z1 = ((lim.z1+15) >> 4); + } + if(visible_limits == null) + visible_limits = new ArrayList(); + visible_limits.add(limit); + } }