fabric/src/main/java/me/shedaniel/lightoverlay/fabric/LightOverlay.java

   1 package me.shedaniel.lightoverlay.fabric;
   2
   3 import com.google.common.collect.Lists;
   4 import com.google.common.collect.Maps;
   5 import com.mojang.blaze3d.platform.GlStateManager;
   6 import com.mojang.blaze3d.systems.RenderSystem;
   7 import it.unimi.dsi.fastutil.longs.Long2ReferenceMap;
   8 import it.unimi.dsi.fastutil.longs.Long2ReferenceOpenHashMap;
   9 import me.shedaniel.cloth.api.client.events.v0.ClothClientHooks;
  10 import net.fabricmc.api.ClientModInitializer;
  11 import net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents;
  12 import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper;
  13 import net.fabricmc.loader.api.FabricLoader;
  14 import net.minecraft.block.Block;
  15 import net.minecraft.block.BlockState;
  16 import net.minecraft.client.MinecraftClient;
  17 import net.minecraft.client.font.TextRenderer;
  18 import net.minecraft.client.network.ClientPlayerEntity;
  19 import net.minecraft.client.options.KeyBinding;
  20 import net.minecraft.client.render.Camera;
  21 import net.minecraft.client.render.Tessellator;
  22 import net.minecraft.client.render.VertexConsumerProvider;
  23 import net.minecraft.client.util.InputUtil;
  24 import net.minecraft.client.util.math.Rotation3;
  25 import net.minecraft.client.world.ClientWorld;
  26 import net.minecraft.entity.Entity;
  27 import net.minecraft.entity.EntityCategory;
  28 import net.minecraft.entity.EntityContext;
  29 import net.minecraft.entity.EntityType;
  30 import net.minecraft.entity.player.PlayerEntity;
  31 import net.minecraft.tag.BlockTags;
  32 import net.minecraft.util.Identifier;
  33 import net.minecraft.util.math.*;
  34 import net.minecraft.util.shape.VoxelShape;
  35 import net.minecraft.world.BlockView;
  36 import net.minecraft.world.LightType;
  37 import net.minecraft.world.World;
  38 import net.minecraft.world.biome.SpawnSettings;
  39 import net.minecraft.world.chunk.ChunkStatus;
  40 import net.minecraft.world.chunk.WorldChunk;
  41 import net.minecraft.world.chunk.light.ChunkLightingView;
  42 import org.apache.logging.log4j.LogManager;
  43 import org.lwjgl.opengl.GL11;
  44
  45 import java.io.File;
  46 import java.io.FileInputStream;
  47 import java.io.FileOutputStream;
  48 import java.io.IOException;
  49 import java.text.DecimalFormat;
  50 import java.util.*;
  51 import java.util.concurrent.Executors;
  52 import java.util.concurrent.ThreadPoolExecutor;
  53
  54 public class LightOverlay implements ClientModInitializer {
  55
  56     static final DecimalFormat FORMAT = new DecimalFormat("#.#");
  57     private static final String KEYBIND_CATEGORY = "key.lightoverlay.category";
  58     private static final Identifier ENABLE_OVERLAY_KEYBIND = new Identifier("lightoverlay", "enable_overlay");
  59     static int reach = 12;
  60     static int crossLevel = 7;
  61     static int secondaryLevel = -1;
  62     static int lowerCrossLevel = -1;
  63     static int higherCrossLevel = -1;
  64     static boolean caching = false;
  65     static boolean showNumber = false;
  66     static boolean smoothLines = true;
  67     static boolean underwater = false;
  68     static float lineWidth = 1.0F;
  69     static int yellowColor = 0xFFFF00, redColor = 0xFF0000, secondaryColor = 0x0000FF;
  70     static File configFile = new File(FabricLoader.getInstance().getConfigDir().toFile(), "lightoverlay.properties");
  71     private static final KeyBinding ENABLE_OVERLAY = createKeyBinding(ENABLE_OVERLAY_KEYBIND, InputUtil.Type.KEYSYM, 296, KEYBIND_CATEGORY);
  72     private static boolean enabled = false;
  73     private static EntityType<Entity> testingEntityType;
  74     private static int threadNumber = 0;
  75     private static final ThreadPoolExecutor EXECUTOR = (ThreadPoolExecutor) Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors(), r -> {
  76         Thread thread = new Thread(r, "light-overlay-" + threadNumber++);
  77         thread.setDaemon(true);
  78         return thread;
  79     });
  80     private static final List<ChunkPos> POS = Lists.newCopyOnWriteArrayList();
  81     private static final Map<ChunkPos, Long2ReferenceMap<Object>> CHUNK_MAP = Maps.newConcurrentMap();
  82     private static final MinecraftClient CLIENT = MinecraftClient.getInstance();
  83     private static long ticks = 0;
  84
  85     static {
  86         ClientTickEvents.END_CLIENT_TICK.register(client -> {
  87             try {
  88                 ticks++;
  89                 if (CLIENT.player == null || !enabled) {
  90                     POS.clear();
  91                     CHUNK_MAP.clear();
  92                 } else {
  93                     if (!caching) {
  94                         POS.clear();
  95                         CHUNK_MAP.clear();
  96                         ClientPlayerEntity player = CLIENT.player;
  97                         ClientWorld world = CLIENT.world;
  98                         BlockPos playerPos = player.getSenseCenterPos();
  99                         EntityContext entityContext = EntityContext.of(player);
 100                         ChunkLightingView block = world.getLightingProvider().get(LightType.BLOCK);
 101                         ChunkLightingView sky = showNumber ? null : world.getLightingProvider().get(LightType.SKY);
 102                         BlockPos.Mutable downPos = new BlockPos.Mutable();
 103                         Iterable<BlockPos> iterate = BlockPos.iterate(playerPos.getX() - reach, playerPos.getY() - reach, playerPos.getZ() - reach,
 104                                 playerPos.getX() + reach, playerPos.getY() + reach, playerPos.getZ() + reach);
 105                         Long2ReferenceMap<Object> map = new Long2ReferenceOpenHashMap<>();
 106                         CHUNK_MAP.put(new ChunkPos(0, 0), map);
 107                         for (BlockPos blockPos : iterate) {
 108                             downPos.set(blockPos.getX(), blockPos.getY() - 1, blockPos.getZ());
 109                             if (showNumber) {
 110                                 int level = getCrossLevel(blockPos, downPos, world, block, entityContext);
 111                                 if (level >= 0) {
 112                                     map.put(blockPos.asLong(), Integer.valueOf(level));
 113                                 }
 114                             } else {
 115                                 CrossType type = getCrossType(blockPos, downPos, world, block, sky, entityContext);
 116                                 if (type != CrossType.NONE) {
 117                                     map.put(blockPos.asLong(), type);
 118                                 }
 119                             }
 120                         }
 121                     } else {
 122                         ClientPlayerEntity player = CLIENT.player;
 123                         ClientWorld world = CLIENT.world;
 124                         EntityContext entityContext = EntityContext.of(player);
 125                         Vec3d[] playerPos = {null};
 126                         int playerPosX = ((int) player.getX()) >> 4;
 127                         int playerPosZ = ((int) player.getZ()) >> 4;
 128                         if (ticks % 20 == 0) {
 129                             for (int chunkX = playerPosX - getChunkRange(); chunkX <= playerPosX + getChunkRange(); chunkX++) {
 130                                 for (int chunkZ = playerPosZ - getChunkRange(); chunkZ <= playerPosZ + getChunkRange(); chunkZ++) {
 131                                     ChunkPos chunkPos = new ChunkPos(chunkX, chunkZ);
 132                                     if (!CHUNK_MAP.containsKey(chunkPos))
 133                                         queueChunk(chunkPos);
 134                                 }
 135                             }
 136                         }
 137                         POS.removeIf(pos -> MathHelper.abs(pos.x - playerPosX) > getChunkRange() || MathHelper.abs(pos.z - playerPosZ) > getChunkRange());
 138                         for (int k = 0; k < 2; k++) {
 139                             if (!POS.isEmpty()) {
 140                                 if (playerPos[0] == null) {
 141                                     playerPos[0] = player.getPos();
 142                                 }
 143                                 ChunkPos pos = POS.stream().min(Comparator.comparingDouble(value -> {
 144                                     int i = Math.abs(value.x - playerPosX);
 145                                     int j = Math.abs(value.z - playerPosZ);
 146                                     return i * i + j * j;
 147                                 })).get();
 148                                 POS.remove(pos);
 149                                 EXECUTOR.submit(() -> {
 150                                     try {
 151                                         calculateChunk(world.getChunkManager().getChunk(pos.x, pos.z, ChunkStatus.FULL, false), world, pos, entityContext);
 152                                     } catch (Throwable throwable) {
 153                                         LogManager.getLogger().throwing(throwable);
 154                                     }
 155                                 });
 156                             }
 157                         }
 158                         if (ticks % 50 == 0) {
 159                             CHUNK_MAP.entrySet().removeIf(pos -> MathHelper.abs(pos.getKey().x - playerPosX) > getChunkRange() * 2 || MathHelper.abs(pos.getKey().z - playerPosZ) > getChunkRange() * 2);
 160                         }
 161                     }
 162                 }
 163             } catch (Throwable throwable) {
 164                 LogManager.getLogger().throwing(throwable);
 165             }
 166         });
 167     }
 168
 169     public static void queueChunkAndNear(ChunkPos pos) {
 170         for (int xOffset = -1; xOffset <= 1; xOffset++) {
 171             for (int zOffset = -1; zOffset <= 1; zOffset++) {
 172                 queueChunk(new ChunkPos(pos.x + xOffset, pos.z + zOffset));
 173             }
 174         }
 175     }
 176
 177     public static void queueChunk(ChunkPos pos) {
 178         if (caching)
 179             if (!POS.contains(pos))
 180                 POS.add(0, pos);
 181     }
 182
 183     public static int getChunkRange() {
 184         return Math.max(MathHelper.ceil(reach / 16f), 1);
 185     }
 186
 187     private static void calculateChunk(WorldChunk chunk, World world, ChunkPos chunkPos, EntityContext entityContext) {
 188         if (world != null && chunk != null) {
 189             Long2ReferenceMap<Object> map = new Long2ReferenceOpenHashMap<>();
 190             ChunkLightingView block = world.getLightingProvider().get(LightType.BLOCK);
 191             ChunkLightingView sky = showNumber ? null : world.getLightingProvider().get(LightType.SKY);
 192             for (BlockPos pos : BlockPos.iterate(chunkPos.getStartX(), 0, chunkPos.getStartZ(), chunkPos.getEndX(), 256, chunkPos.getEndZ())) {
 193                 BlockPos down = pos.down();
 194                 if (showNumber) {
 195                     int level = LightOverlay.getCrossLevel(pos, down, chunk, block, entityContext);
 196                     if (level >= 0) {
 197                         map.put(pos.asLong(), Integer.valueOf(level));
 198                     }
 199                 } else {
 200                     SpawnSettings spawnSettings = world.getBiomeAccess().getBiome(pos).getSpawnSettings();
 201                     if (spawnSettings.getCreatureSpawnProbability() > 0 && !spawnSettings.getSpawnEntry(EntityCategory.MONSTER).isEmpty()) {
 202                         CrossType type = LightOverlay.getCrossType(pos, down, chunk, block, sky, entityContext);
 203                         if (type != CrossType.NONE) {
 204                             map.put(pos.asLong(), type);
 205                         }
 206                     }
 207                 }
 208             }
 209             CHUNK_MAP.put(chunkPos, map);
 210         } else {
 211             CHUNK_MAP.remove(chunkPos);
 212         }
 213     }
 214
 215     public static CrossType getCrossType(BlockPos pos, BlockPos down, BlockView world, ChunkLightingView block, ChunkLightingView sky, EntityContext entityContext) {
 216         BlockState blockBelowState = world.getBlockState(down);
 217         BlockState blockUpperState = world.getBlockState(pos);
 218         VoxelShape upperCollisionShape = blockUpperState.getCollisionShape(world, pos, entityContext);
 219         if (!underwater && !blockUpperState.getFluidState().isEmpty())
 220             return CrossType.NONE;
 221         // Check if the outline is full
 222         if (Block.isFaceFullSquare(upperCollisionShape, Direction.UP))
 223             return CrossType.NONE;
 224         // TODO: Not to hard code no redstone
 225         if (blockUpperState.emitsRedstonePower())
 226             return CrossType.NONE;
 227         // Check if the collision has a bump
 228         if (upperCollisionShape.getMaximum(Direction.Axis.Y) > 0)
 229             return CrossType.NONE;
 230         if (blockUpperState.getBlock().isIn(BlockTags.RAILS))
 231             return CrossType.NONE;
 232         // Check block state allow spawning (excludes bedrock and barriers automatically)
 233         if (!blockBelowState.allowsSpawning(world, down, testingEntityType))
 234             return CrossType.NONE;
 235         int blockLightLevel = block.getLightLevel(pos);
 236         int skyLightLevel = sky.getLightLevel(pos);
 237         if (blockLightLevel > higherCrossLevel)
 238             return CrossType.NONE;
 239         if (skyLightLevel > higherCrossLevel)
 240             return CrossType.YELLOW;
 241         return lowerCrossLevel >= 0 && blockLightLevel > lowerCrossLevel ? CrossType.SECONDARY : CrossType.RED;
 242     }
 243
 244     public static int getCrossLevel(BlockPos pos, BlockPos down, BlockView world, ChunkLightingView view, EntityContext entityContext) {
 245         BlockState blockBelowState = world.getBlockState(down);
 246         BlockState blockUpperState = world.getBlockState(pos);
 247         VoxelShape collisionShape = blockBelowState.getCollisionShape(world, down, entityContext);
 248         VoxelShape upperCollisionShape = blockUpperState.getCollisionShape(world, pos, entityContext);
 249         if (!underwater && !blockUpperState.getFluidState().isEmpty())
 250             return -1;
 251         if (!blockBelowState.getFluidState().isEmpty())
 252             return -1;
 253         if (blockBelowState.isAir())
 254             return -1;
 255         if (Block.isFaceFullSquare(upperCollisionShape, Direction.DOWN))
 256             return -1;
 257         return view.getLightLevel(pos);
 258     }
 259
 260     public static void renderCross(Camera camera, World world, BlockPos pos, int color, EntityContext entityContext) {
 261         double d0 = camera.getPos().x;
 262         double d1 = camera.getPos().y - .005D;
 263         VoxelShape upperOutlineShape = world.getBlockState(pos).getOutlineShape(world, pos, entityContext);
 264         if (!upperOutlineShape.isEmpty())
 265             d1 -= upperOutlineShape.getMaximum(Direction.Axis.Y);
 266         double d2 = camera.getPos().z;
 267
 268         int red = (color >> 16) & 255;
 269         int green = (color >> 8) & 255;
 270         int blue = color & 255;
 271         int x = pos.getX();
 272         int y = pos.getY();
 273         int z = pos.getZ();
 274         RenderSystem.color4f(red / 255f, green / 255f, blue / 255f, 1f);
 275         GL11.glVertex3d(x + .01 - d0, y - d1, z + .01 - d2);
 276         GL11.glVertex3d(x - .01 + 1 - d0, y - d1, z - .01 + 1 - d2);
 277         GL11.glVertex3d(x - .01 + 1 - d0, y - d1, z + .01 - d2);
 278         GL11.glVertex3d(x + .01 - d0, y - d1, z - .01 + 1 - d2);
 279     }
 280
 281     @SuppressWarnings("deprecation")
 282     public static void renderLevel(MinecraftClient client, Camera camera, World world, BlockPos pos, BlockPos down, int level, EntityContext entityContext) {
 283         String text = String.valueOf(level);
 284         TextRenderer textRenderer_1 = client.textRenderer;
 285         double double_4 = camera.getPos().x;
 286         double double_5 = camera.getPos().y;
 287         VoxelShape upperOutlineShape = world.getBlockState(down).getOutlineShape(world, down, entityContext);
 288         if (!upperOutlineShape.isEmpty())
 289             double_5 += 1 - upperOutlineShape.getMaximum(Direction.Axis.Y);
 290         double double_6 = camera.getPos().z;
 291         RenderSystem.pushMatrix();
 292         RenderSystem.translatef((float) (pos.getX() + 0.5f - double_4), (float) (pos.getY() - double_5) + 0.005f, (float) (pos.getZ() + 0.5f - double_6));
 293         RenderSystem.rotatef(90, 1, 0, 0);
 294         RenderSystem.normal3f(0.0F, 1.0F, 0.0F);
 295         float size = 0.07F;
 296         RenderSystem.scalef(-size, -size, size);
 297         float float_3 = (float) (-textRenderer_1.getStringWidth(text)) / 2.0F + 0.4f;
 298         RenderSystem.enableAlphaTest();
 299         VertexConsumerProvider.Immediate immediate = VertexConsumerProvider.immediate(Tessellator.getInstance().getBuffer());
 300         textRenderer_1.draw(text, float_3, -3.5f, level > higherCrossLevel ? 0xff042404 : (lowerCrossLevel >= 0 && level > lowerCrossLevel ? 0xff0066ff : 0xff731111), false, Rotation3.identity().getMatrix(), immediate, false, 0, 15728880);
 301         immediate.draw();
 302         RenderSystem.popMatrix();
 303     }
 304
 305     static void loadConfig(File file) {
 306         try {
 307             redColor = 0xFF0000;
 308             yellowColor = 0xFFFF00;
 309             secondaryColor = 0x0000FF;
 310             if (!file.exists() || !file.canRead())
 311                 saveConfig(file);
 312             FileInputStream fis = new FileInputStream(file);
 313             Properties properties = new Properties();
 314             properties.load(fis);
 315             fis.close();
 316             reach = Integer.parseInt((String) properties.computeIfAbsent("reach", a -> "12"));
 317             crossLevel = Integer.parseInt((String) properties.computeIfAbsent("crossLevel", a -> "7"));
 318             secondaryLevel = Integer.parseInt((String) properties.computeIfAbsent("secondaryLevel", a -> "-1"));
 319             caching = ((String) properties.computeIfAbsent("caching", a -> "false")).equalsIgnoreCase("true");
 320             showNumber = ((String) properties.computeIfAbsent("showNumber", a -> "false")).equalsIgnoreCase("true");
 321             smoothLines = ((String) properties.computeIfAbsent("smoothLines", a -> "true")).equalsIgnoreCase("true");
 322             underwater = ((String) properties.computeIfAbsent("underwater", a -> "false")).equalsIgnoreCase("true");
 323             lineWidth = Float.parseFloat((String) properties.computeIfAbsent("lineWidth", a -> "1"));
 324             {
 325                 int r, g, b;
 326                 r = Integer.parseInt((String) properties.computeIfAbsent("yellowColorRed", a -> "255"));
 327                 g = Integer.parseInt((String) properties.computeIfAbsent("yellowColorGreen", a -> "255"));
 328                 b = Integer.parseInt((String) properties.computeIfAbsent("yellowColorBlue", a -> "0"));
 329                 yellowColor = (r << 16) + (g << 8) + b;
 330             }
 331             {
 332                 int r, g, b;
 333                 r = Integer.parseInt((String) properties.computeIfAbsent("redColorRed", a -> "255"));
 334                 g = Integer.parseInt((String) properties.computeIfAbsent("redColorGreen", a -> "0"));
 335                 b = Integer.parseInt((String) properties.computeIfAbsent("redColorBlue", a -> "0"));
 336                 redColor = (r << 16) + (g << 8) + b;
 337             }
 338             {
 339                 int r, g, b;
 340                 r = Integer.parseInt((String) properties.computeIfAbsent("secondaryColorRed", a -> "0"));
 341                 g = Integer.parseInt((String) properties.computeIfAbsent("secondaryColorGreen", a -> "0"));
 342                 b = Integer.parseInt((String) properties.computeIfAbsent("secondaryColorBlue", a -> "255"));
 343                 secondaryColor = (r << 16) + (g << 8) + b;
 344             }
 345             saveConfig(file);
 346         } catch (Exception e) {
 347             e.printStackTrace();
 348             reach = 12;
 349             crossLevel = 7;
 350             secondaryLevel = -1;
 351             lineWidth = 1.0F;
 352             redColor = 0xFF0000;
 353             yellowColor = 0xFFFF00;
 354             secondaryColor = 0x0000FF;
 355             caching = false;
 356             showNumber = false;
 357             smoothLines = true;
 358             underwater = false;
 359             try {
 360                 saveConfig(file);
 361             } catch (IOException ex) {
 362                 ex.printStackTrace();
 363             }
 364         }
 365         if (secondaryLevel >= crossLevel) System.err.println("[Light Overlay] Secondary Level is higher than Cross Level");
 366         lowerCrossLevel = Math.min(crossLevel, secondaryLevel);
 367         higherCrossLevel = Math.max(crossLevel, secondaryLevel);
 368         CHUNK_MAP.clear();
 369         POS.clear();
 370     }
 371
 372     static void saveConfig(File file) throws IOException {
 373         FileOutputStream fos = new FileOutputStream(file, false);
 374         fos.write("# Light Overlay Config".getBytes());
 375         fos.write("\n".getBytes());
 376         fos.write(("reach=" + reach).getBytes());
 377         fos.write("\n".getBytes());
 378         fos.write(("crossLevel=" + crossLevel).getBytes());
 379         fos.write("\n".getBytes());
 380         fos.write(("secondaryLevel=" + secondaryLevel).getBytes());
 381         fos.write("\n".getBytes());
 382         fos.write(("caching=" + caching).getBytes());
 383         fos.write("\n".getBytes());
 384         fos.write(("showNumber=" + showNumber).getBytes());
 385         fos.write("\n".getBytes());
 386         fos.write(("smoothLines=" + smoothLines).getBytes());
 387         fos.write("\n".getBytes());
 388         fos.write(("underwater=" + underwater).getBytes());
 389         fos.write("\n".getBytes());
 390         fos.write(("lineWidth=" + FORMAT.format(lineWidth)).getBytes());
 391         fos.write("\n".getBytes());
 392         fos.write(("yellowColorRed=" + ((yellowColor >> 16) & 255)).getBytes());
 393         fos.write("\n".getBytes());
 394         fos.write(("yellowColorGreen=" + ((yellowColor >> 8) & 255)).getBytes());
 395         fos.write("\n".getBytes());
 396         fos.write(("yellowColorBlue=" + (yellowColor & 255)).getBytes());
 397         fos.write("\n".getBytes());
 398         fos.write(("redColorRed=" + ((redColor >> 16) & 255)).getBytes());
 399         fos.write("\n".getBytes());
 400         fos.write(("redColorGreen=" + ((redColor >> 8) & 255)).getBytes());
 401         fos.write("\n".getBytes());
 402         fos.write(("redColorBlue=" + (redColor & 255)).getBytes());
 403         fos.write("\n".getBytes());
 404         fos.write(("secondaryColorRed=" + ((secondaryColor >> 16) & 255)).getBytes());
 405         fos.write("\n".getBytes());
 406         fos.write(("secondaryColorGreen=" + ((secondaryColor >> 8) & 255)).getBytes());
 407         fos.write("\n".getBytes());
 408         fos.write(("secondaryColorBlue=" + (secondaryColor & 255)).getBytes());
 409         fos.close();
 410     }
 411
 412     private static KeyBinding createKeyBinding(Identifier id, InputUtil.Type type, int code, String category) {
 413         return KeyBindingHelper.registerKeyBinding(new KeyBinding("key." + id.getNamespace() + "." + id.getPath(), type, code, category));
 414     }
 415
 416     @Override
 417     public void onInitializeClient() {
 418         // Load Config
 419         loadConfig(configFile);
 420
 421         // Setup
 422         testingEntityType = EntityType.Builder.create(EntityCategory.MONSTER).setDimensions(0f, 0f).disableSaving().build(null);
 423         ClientTickEvents.END_CLIENT_TICK.register(minecraftClient -> {
 424             while (ENABLE_OVERLAY.wasPressed())
 425                 enabled = !enabled;
 426         });
 427         ClothClientHooks.DEBUG_RENDER_PRE.register(() -> {
 428             if (LightOverlay.enabled) {
 429                 PlayerEntity playerEntity = CLIENT.player;
 430                 int playerPosX = ((int) playerEntity.getX()) >> 4;
 431                 int playerPosZ = ((int) playerEntity.getZ()) >> 4;
 432                 EntityContext entityContext = EntityContext.of(playerEntity);
 433                 World world = CLIENT.world;
 434                 BlockPos playerPos = new BlockPos(playerEntity.getX(), playerEntity.getY(), playerEntity.getZ());
 435                 Camera camera = CLIENT.gameRenderer.getCamera();
 436                 if (showNumber) {
 437                     RenderSystem.enableTexture();
 438                     RenderSystem.depthMask(true);
 439                     BlockPos.Mutable mutable = new BlockPos.Mutable();
 440                     for (Map.Entry<ChunkPos, Long2ReferenceMap<Object>> entry : CHUNK_MAP.entrySet()) {
 441                         if (caching && (MathHelper.abs(entry.getKey().x - playerPosX) > getChunkRange() || MathHelper.abs(entry.getKey().z - playerPosZ) > getChunkRange())) {
 442                             continue;
 443                         }
 444                         for (Long2ReferenceMap.Entry<Object> objectEntry : entry.getValue().long2ReferenceEntrySet()) {
 445                             if (objectEntry.getValue() instanceof Integer) {
 446                                 mutable.set(BlockPos.unpackLongX(objectEntry.getLongKey()), BlockPos.unpackLongY(objectEntry.getLongKey()), BlockPos.unpackLongZ(objectEntry.getLongKey()));
 447                                 if (mutable.isWithinDistance(playerPos, reach)) {
 448                                     BlockPos down = mutable.down();
 449                                     LightOverlay.renderLevel(CLIENT, camera, world, mutable, down, (Integer) objectEntry.getValue(), entityContext);
 450                                 }
 451                             }
 452                         }
 453                     }
 454                     RenderSystem.enableDepthTest();
 455                 } else {
 456                     RenderSystem.enableDepthTest();
 457                     RenderSystem.disableTexture();
 458                     RenderSystem.enableBlend();
 459                     RenderSystem.blendFunc(GlStateManager.SrcFactor.SRC_ALPHA, GlStateManager.DstFactor.ONE_MINUS_SRC_ALPHA);
 460                     if (smoothLines) GL11.glEnable(GL11.GL_LINE_SMOOTH);
 461                     GL11.glLineWidth(lineWidth);
 462                     GL11.glBegin(GL11.GL_LINES);
 463                     BlockPos.Mutable mutable = new BlockPos.Mutable();
 464                     for (Map.Entry<ChunkPos, Long2ReferenceMap<Object>> entry : CHUNK_MAP.entrySet()) {
 465                         if (caching && (MathHelper.abs(entry.getKey().x - playerPosX) > getChunkRange() || MathHelper.abs(entry.getKey().z - playerPosZ) > getChunkRange())) {
 466                             continue;
 467                         }
 468                         for (Long2ReferenceMap.Entry<Object> objectEntry : entry.getValue().long2ReferenceEntrySet()) {
 469                             if (objectEntry.getValue() instanceof CrossType) {
 470                                 mutable.set(BlockPos.unpackLongX(objectEntry.getLongKey()), BlockPos.unpackLongY(objectEntry.getLongKey()), BlockPos.unpackLongZ(objectEntry.getLongKey()));
 471                                 if (mutable.isWithinDistance(playerPos, reach)) {
 472                                     int color = objectEntry.getValue() == CrossType.RED ? redColor : objectEntry.getValue() == CrossType.YELLOW ? yellowColor : secondaryColor;
 473                                     LightOverlay.renderCross(camera, world, mutable, color, entityContext);
 474                                 }
 475                             }
 476                         }
 477                     }
 478                     GL11.glEnd();
 479                     RenderSystem.disableBlend();
 480                     RenderSystem.enableTexture();
 481                     if (smoothLines) GL11.glDisable(GL11.GL_LINE_SMOOTH);
 482                 }
 483             }
 484         });
 485     }
 486
 487     private enum CrossType {
 488         YELLOW,
 489         RED,
 490         SECONDARY,
 491         NONE
 492     }
 493 }