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.Frustum;
  22 import net.minecraft.client.render.Tessellator;
  23 import net.minecraft.client.render.VertexConsumerProvider;
  24 import net.minecraft.client.util.InputUtil;
  25 import net.minecraft.client.util.math.Rotation3;
  26 import net.minecraft.client.world.ClientWorld;
  27 import net.minecraft.entity.Entity;
  28 import net.minecraft.entity.EntityCategory;
  29 import net.minecraft.entity.EntityContext;
  30 import net.minecraft.entity.EntityType;
  31 import net.minecraft.entity.player.PlayerEntity;
  32 import net.minecraft.tag.BlockTags;
  33 import net.minecraft.util.Identifier;
  34 import net.minecraft.util.math.*;
  35 import net.minecraft.util.shape.VoxelShape;
  36 import net.minecraft.world.BlockView;
  37 import net.minecraft.world.LightType;
  38 import net.minecraft.world.World;
  39 import net.minecraft.world.biome.SpawnSettings;
  40 import net.minecraft.world.chunk.ChunkStatus;
  41 import net.minecraft.world.chunk.WorldChunk;
  42 import net.minecraft.world.chunk.light.ChunkLightingView;
  43 import org.apache.logging.log4j.LogManager;
  44 import org.lwjgl.opengl.GL11;
  45
  46 import java.io.File;
  47 import java.io.FileInputStream;
  48 import java.io.FileOutputStream;
  49 import java.io.IOException;
  50 import java.text.DecimalFormat;
  51 import java.util.Comparator;
  52 import java.util.List;
  53 import java.util.Map;
  54 import java.util.Properties;
  55 import java.util.concurrent.Executors;
  56 import java.util.concurrent.ThreadPoolExecutor;
  57
  58 public class LightOverlay implements ClientModInitializer {
  59
  60     static final DecimalFormat FORMAT = new DecimalFormat("#.#");
  61     private static final String KEYBIND_CATEGORY = "key.lightoverlay.category";
  62     private static final Identifier ENABLE_OVERLAY_KEYBIND = new Identifier("lightoverlay", "enable_overlay");
  63     static int reach = 12;
  64     static int crossLevel = 7;
  65     static int secondaryLevel = -1;
  66     static int lowerCrossLevel = -1;
  67     static int higherCrossLevel = -1;
  68     static boolean caching = false;
  69     static boolean showNumber = false;
  70     static boolean smoothLines = true;
  71     static boolean underwater = false;
  72     static float lineWidth = 1.0F;
  73     static int yellowColor = 0xFFFF00, redColor = 0xFF0000, secondaryColor = 0x0000FF;
  74     static File configFile = new File(FabricLoader.getInstance().getConfigDir().toFile(), "lightoverlay.properties");
  75     private static final KeyBinding ENABLE_OVERLAY = createKeyBinding(ENABLE_OVERLAY_KEYBIND, InputUtil.Type.KEYSYM, 296, KEYBIND_CATEGORY);
  76     private static boolean enabled = false;
  77     private static EntityType<Entity> testingEntityType;
  78     private static int threadNumber = 0;
  79     public static Frustum frustum;
  80     private static final ThreadPoolExecutor EXECUTOR = (ThreadPoolExecutor) Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors(), r -> {
  81         Thread thread = new Thread(r, "light-overlay-" + threadNumber++);
  82         thread.setDaemon(true);
  83         return thread;
  84     });
  85     private static final List<ChunkPos> POS = Lists.newCopyOnWriteArrayList();
  86     private static final Map<ChunkPos, Long2ReferenceMap<Object>> CHUNK_MAP = Maps.newConcurrentMap();
  87     private static final MinecraftClient CLIENT = MinecraftClient.getInstance();
  88     private static long ticks = 0;
  89
  90     static {
  91         ClientTickEvents.END_CLIENT_TICK.register(client -> {
  92             try {
  93                 ticks++;
  94                 if (CLIENT.player == null || !enabled) {
  95                     POS.clear();
  96                     CHUNK_MAP.clear();
  97                 } else {
  98                     if (!caching) {
  99                         POS.clear();
 100                         CHUNK_MAP.clear();
 101                         ClientPlayerEntity player = CLIENT.player;
 102                         ClientWorld world = CLIENT.world;
 103                         BlockPos playerPos = player.getSenseCenterPos();
 104                         EntityContext entityContext = EntityContext.of(player);
 105                         ChunkLightingView block = world.getLightingProvider().get(LightType.BLOCK);
 106                         ChunkLightingView sky = showNumber ? null : world.getLightingProvider().get(LightType.SKY);
 107                         BlockPos.Mutable downPos = new BlockPos.Mutable();
 108                         Iterable<BlockPos> iterate = BlockPos.iterate(playerPos.getX() - reach, playerPos.getY() - reach, playerPos.getZ() - reach,
 109                                 playerPos.getX() + reach, playerPos.getY() + reach, playerPos.getZ() + reach);
 110                         Long2ReferenceMap<Object> map = new Long2ReferenceOpenHashMap<>();
 111                         CHUNK_MAP.put(new ChunkPos(0, 0), map);
 112                         for (BlockPos blockPos : iterate) {
 113                             downPos.set(blockPos.getX(), blockPos.getY() - 1, blockPos.getZ());
 114                             if (showNumber) {
 115                                 int level = getCrossLevel(blockPos, downPos, world, block, entityContext);
 116                                 if (level >= 0) {
 117                                     map.put(blockPos.asLong(), Integer.valueOf(level));
 118                                 }
 119                             } else {
 120                                 CrossType type = getCrossType(blockPos, downPos, world, block, sky, entityContext);
 121                                 if (type != CrossType.NONE) {
 122                                     map.put(blockPos.asLong(), type);
 123                                 }
 124                             }
 125                         }
 126                     } else {
 127                         ClientPlayerEntity player = CLIENT.player;
 128                         ClientWorld world = CLIENT.world;
 129                         EntityContext entityContext = EntityContext.of(player);
 130                         Vec3d[] playerPos = {null};
 131                         int playerPosX = ((int) player.getX()) >> 4;
 132                         int playerPosZ = ((int) player.getZ()) >> 4;
 133                         if (ticks % 20 == 0) {
 134                             for (int chunkX = playerPosX - getChunkRange(); chunkX <= playerPosX + getChunkRange(); chunkX++) {
 135                                 for (int chunkZ = playerPosZ - getChunkRange(); chunkZ <= playerPosZ + getChunkRange(); chunkZ++) {
 136                                     ChunkPos chunkPos = new ChunkPos(chunkX, chunkZ);
 137                                     if (!CHUNK_MAP.containsKey(chunkPos))
 138                                         queueChunk(chunkPos);
 139                                 }
 140                             }
 141                         }
 142                         POS.removeIf(pos -> MathHelper.abs(pos.x - playerPosX) > getChunkRange() || MathHelper.abs(pos.z - playerPosZ) > getChunkRange());
 143                         for (int k = 0; k < 2; k++) {
 144                             if (!POS.isEmpty()) {
 145                                 if (playerPos[0] == null) {
 146                                     playerPos[0] = player.getPos();
 147                                 }
 148                                 ChunkPos pos = POS.stream().min(Comparator.comparingDouble(value -> {
 149                                     int i = Math.abs(value.x - playerPosX);
 150                                     int j = Math.abs(value.z - playerPosZ);
 151                                     return i * i + j * j;
 152                                 })).get();
 153                                 POS.remove(pos);
 154                                 EXECUTOR.submit(() -> {
 155                                     try {
 156                                         calculateChunk(world.getChunkManager().getChunk(pos.x, pos.z, ChunkStatus.FULL, false), world, pos, entityContext);
 157                                     } catch (Throwable throwable) {
 158                                         LogManager.getLogger().throwing(throwable);
 159                                     }
 160                                 });
 161                             }
 162                         }
 163                         if (ticks % 50 == 0) {
 164                             CHUNK_MAP.entrySet().removeIf(pos -> MathHelper.abs(pos.getKey().x - playerPosX) > getChunkRange() * 2 || MathHelper.abs(pos.getKey().z - playerPosZ) > getChunkRange() * 2);
 165                         }
 166                     }
 167                 }
 168             } catch (Throwable throwable) {
 169                 LogManager.getLogger().throwing(throwable);
 170             }
 171         });
 172     }
 173
 174     public static void queueChunkAndNear(ChunkPos pos) {
 175         for (int xOffset = -1; xOffset <= 1; xOffset++) {
 176             for (int zOffset = -1; zOffset <= 1; zOffset++) {
 177                 queueChunk(new ChunkPos(pos.x + xOffset, pos.z + zOffset));
 178             }
 179         }
 180     }
 181
 182     public static void queueChunk(ChunkPos pos) {
 183         if (caching)
 184             if (!POS.contains(pos))
 185                 POS.add(0, pos);
 186     }
 187
 188     public static int getChunkRange() {
 189         return Math.max(MathHelper.ceil(reach / 16f), 1);
 190     }
 191
 192     private static void calculateChunk(WorldChunk chunk, World world, ChunkPos chunkPos, EntityContext entityContext) {
 193         if (world != null && chunk != null) {
 194             Long2ReferenceMap<Object> map = new Long2ReferenceOpenHashMap<>();
 195             ChunkLightingView block = world.getLightingProvider().get(LightType.BLOCK);
 196             ChunkLightingView sky = showNumber ? null : world.getLightingProvider().get(LightType.SKY);
 197             for (BlockPos pos : BlockPos.iterate(chunkPos.getStartX(), 0, chunkPos.getStartZ(), chunkPos.getEndX(), 256, chunkPos.getEndZ())) {
 198                 BlockPos down = pos.down();
 199                 if (showNumber) {
 200                     int level = LightOverlay.getCrossLevel(pos, down, chunk, block, entityContext);
 201                     if (level >= 0) {
 202                         map.put(pos.asLong(), Integer.valueOf(level));
 203                     }
 204                 } else {
 205                     SpawnSettings spawnSettings = world.getBiomeAccess().getBiome(pos).getSpawnSettings();
 206                     if (spawnSettings.getCreatureSpawnProbability() > 0 && !spawnSettings.getSpawnEntry(EntityCategory.MONSTER).isEmpty()) {
 207                         CrossType type = LightOverlay.getCrossType(pos, down, chunk, block, sky, entityContext);
 208                         if (type != CrossType.NONE) {
 209                             map.put(pos.asLong(), type);
 210                         }
 211                     }
 212                 }
 213             }
 214             CHUNK_MAP.put(chunkPos, map);
 215         } else {
 216             CHUNK_MAP.remove(chunkPos);
 217         }
 218     }
 219
 220     public static CrossType getCrossType(BlockPos pos, BlockPos down, BlockView world, ChunkLightingView block, ChunkLightingView sky, EntityContext entityContext) {
 221         BlockState blockBelowState = world.getBlockState(down);
 222         BlockState blockUpperState = world.getBlockState(pos);
 223         VoxelShape upperCollisionShape = blockUpperState.getCollisionShape(world, pos, entityContext);
 224         if (!underwater && !blockUpperState.getFluidState().isEmpty())
 225             return CrossType.NONE;
 226         // Check if the outline is full
 227         if (Block.isFaceFullSquare(upperCollisionShape, Direction.UP))
 228             return CrossType.NONE;
 229         // TODO: Not to hard code no redstone
 230         if (blockUpperState.emitsRedstonePower())
 231             return CrossType.NONE;
 232         // Check if the collision has a bump
 233         if (upperCollisionShape.getMaximum(Direction.Axis.Y) > 0)
 234             return CrossType.NONE;
 235         if (blockUpperState.getBlock().isIn(BlockTags.RAILS))
 236             return CrossType.NONE;
 237         // Check block state allow spawning (excludes bedrock and barriers automatically)
 238         if (!blockBelowState.allowsSpawning(world, down, testingEntityType))
 239             return CrossType.NONE;
 240         int blockLightLevel = block.getLightLevel(pos);
 241         int skyLightLevel = sky.getLightLevel(pos);
 242         if (blockLightLevel > higherCrossLevel)
 243             return CrossType.NONE;
 244         if (skyLightLevel > higherCrossLevel)
 245             return CrossType.YELLOW;
 246         return lowerCrossLevel >= 0 && blockLightLevel > lowerCrossLevel ? CrossType.SECONDARY : CrossType.RED;
 247     }
 248
 249     public static int getCrossLevel(BlockPos pos, BlockPos down, BlockView world, ChunkLightingView view, EntityContext entityContext) {
 250         BlockState blockBelowState = world.getBlockState(down);
 251         BlockState blockUpperState = world.getBlockState(pos);
 252         VoxelShape collisionShape = blockBelowState.getCollisionShape(world, down, entityContext);
 253         VoxelShape upperCollisionShape = blockUpperState.getCollisionShape(world, pos, entityContext);
 254         if (!underwater && !blockUpperState.getFluidState().isEmpty())
 255             return -1;
 256         if (!blockBelowState.getFluidState().isEmpty())
 257             return -1;
 258         if (blockBelowState.isAir())
 259             return -1;
 260         if (Block.isFaceFullSquare(upperCollisionShape, Direction.DOWN))
 261             return -1;
 262         return view.getLightLevel(pos);
 263     }
 264
 265     public static void renderCross(Camera camera, World world, BlockPos pos, int color, EntityContext entityContext) {
 266         double d0 = camera.getPos().x;
 267         double d1 = camera.getPos().y - .005D;
 268         VoxelShape upperOutlineShape = world.getBlockState(pos).getOutlineShape(world, pos, entityContext);
 269         if (!upperOutlineShape.isEmpty())
 270             d1 -= upperOutlineShape.getMaximum(Direction.Axis.Y);
 271         double d2 = camera.getPos().z;
 272
 273         int red = (color >> 16) & 255;
 274         int green = (color >> 8) & 255;
 275         int blue = color & 255;
 276         int x = pos.getX();
 277         int y = pos.getY();
 278         int z = pos.getZ();
 279         RenderSystem.color4f(red / 255f, green / 255f, blue / 255f, 1f);
 280         GL11.glVertex3d(x + .01 - d0, y - d1, z + .01 - d2);
 281         GL11.glVertex3d(x - .01 + 1 - d0, y - d1, z - .01 + 1 - d2);
 282         GL11.glVertex3d(x - .01 + 1 - d0, y - d1, z + .01 - d2);
 283         GL11.glVertex3d(x + .01 - d0, y - d1, z - .01 + 1 - d2);
 284     }
 285
 286     @SuppressWarnings("deprecation")
 287     public static void renderLevel(MinecraftClient client, Camera camera, World world, BlockPos pos, BlockPos down, int level, EntityContext entityContext) {
 288         String text = String.valueOf(level);
 289         TextRenderer textRenderer_1 = client.textRenderer;
 290         double double_4 = camera.getPos().x;
 291         double double_5 = camera.getPos().y;
 292         VoxelShape upperOutlineShape = world.getBlockState(down).getOutlineShape(world, down, entityContext);
 293         if (!upperOutlineShape.isEmpty())
 294             double_5 += 1 - upperOutlineShape.getMaximum(Direction.Axis.Y);
 295         double double_6 = camera.getPos().z;
 296         RenderSystem.pushMatrix();
 297         RenderSystem.translatef((float) (pos.getX() + 0.5f - double_4), (float) (pos.getY() - double_5) + 0.005f, (float) (pos.getZ() + 0.5f - double_6));
 298         RenderSystem.rotatef(90, 1, 0, 0);
 299         RenderSystem.normal3f(0.0F, 1.0F, 0.0F);
 300         float size = 0.07F;
 301         RenderSystem.scalef(-size, -size, size);
 302         float float_3 = (float) (-textRenderer_1.getStringWidth(text)) / 2.0F + 0.4f;
 303         RenderSystem.enableAlphaTest();
 304         VertexConsumerProvider.Immediate immediate = VertexConsumerProvider.immediate(Tessellator.getInstance().getBuffer());
 305         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);
 306         immediate.draw();
 307         RenderSystem.popMatrix();
 308     }
 309
 310     static void loadConfig(File file) {
 311         try {
 312             redColor = 0xFF0000;
 313             yellowColor = 0xFFFF00;
 314             secondaryColor = 0x0000FF;
 315             if (!file.exists() || !file.canRead())
 316                 saveConfig(file);
 317             FileInputStream fis = new FileInputStream(file);
 318             Properties properties = new Properties();
 319             properties.load(fis);
 320             fis.close();
 321             reach = Integer.parseInt((String) properties.computeIfAbsent("reach", a -> "12"));
 322             crossLevel = Integer.parseInt((String) properties.computeIfAbsent("crossLevel", a -> "7"));
 323             secondaryLevel = Integer.parseInt((String) properties.computeIfAbsent("secondaryLevel", a -> "-1"));
 324             caching = ((String) properties.computeIfAbsent("caching", a -> "false")).equalsIgnoreCase("true");
 325             showNumber = ((String) properties.computeIfAbsent("showNumber", a -> "false")).equalsIgnoreCase("true");
 326             smoothLines = ((String) properties.computeIfAbsent("smoothLines", a -> "true")).equalsIgnoreCase("true");
 327             underwater = ((String) properties.computeIfAbsent("underwater", a -> "false")).equalsIgnoreCase("true");
 328             lineWidth = Float.parseFloat((String) properties.computeIfAbsent("lineWidth", a -> "1"));
 329             {
 330                 int r, g, b;
 331                 r = Integer.parseInt((String) properties.computeIfAbsent("yellowColorRed", a -> "255"));
 332                 g = Integer.parseInt((String) properties.computeIfAbsent("yellowColorGreen", a -> "255"));
 333                 b = Integer.parseInt((String) properties.computeIfAbsent("yellowColorBlue", a -> "0"));
 334                 yellowColor = (r << 16) + (g << 8) + b;
 335             }
 336             {
 337                 int r, g, b;
 338                 r = Integer.parseInt((String) properties.computeIfAbsent("redColorRed", a -> "255"));
 339                 g = Integer.parseInt((String) properties.computeIfAbsent("redColorGreen", a -> "0"));
 340                 b = Integer.parseInt((String) properties.computeIfAbsent("redColorBlue", a -> "0"));
 341                 redColor = (r << 16) + (g << 8) + b;
 342             }
 343             {
 344                 int r, g, b;
 345                 r = Integer.parseInt((String) properties.computeIfAbsent("secondaryColorRed", a -> "0"));
 346                 g = Integer.parseInt((String) properties.computeIfAbsent("secondaryColorGreen", a -> "0"));
 347                 b = Integer.parseInt((String) properties.computeIfAbsent("secondaryColorBlue", a -> "255"));
 348                 secondaryColor = (r << 16) + (g << 8) + b;
 349             }
 350             saveConfig(file);
 351         } catch (Exception e) {
 352             e.printStackTrace();
 353             reach = 12;
 354             crossLevel = 7;
 355             secondaryLevel = -1;
 356             lineWidth = 1.0F;
 357             redColor = 0xFF0000;
 358             yellowColor = 0xFFFF00;
 359             secondaryColor = 0x0000FF;
 360             caching = false;
 361             showNumber = false;
 362             smoothLines = true;
 363             underwater = false;
 364             try {
 365                 saveConfig(file);
 366             } catch (IOException ex) {
 367                 ex.printStackTrace();
 368             }
 369         }
 370         if (secondaryLevel >= crossLevel) System.err.println("[Light Overlay] Secondary Level is higher than Cross Level");
 371         lowerCrossLevel = Math.min(crossLevel, secondaryLevel);
 372         higherCrossLevel = Math.max(crossLevel, secondaryLevel);
 373         CHUNK_MAP.clear();
 374         POS.clear();
 375     }
 376
 377     static void saveConfig(File file) throws IOException {
 378         FileOutputStream fos = new FileOutputStream(file, false);
 379         fos.write("# Light Overlay Config".getBytes());
 380         fos.write("\n".getBytes());
 381         fos.write(("reach=" + reach).getBytes());
 382         fos.write("\n".getBytes());
 383         fos.write(("crossLevel=" + crossLevel).getBytes());
 384         fos.write("\n".getBytes());
 385         fos.write(("secondaryLevel=" + secondaryLevel).getBytes());
 386         fos.write("\n".getBytes());
 387         fos.write(("caching=" + caching).getBytes());
 388         fos.write("\n".getBytes());
 389         fos.write(("showNumber=" + showNumber).getBytes());
 390         fos.write("\n".getBytes());
 391         fos.write(("smoothLines=" + smoothLines).getBytes());
 392         fos.write("\n".getBytes());
 393         fos.write(("underwater=" + underwater).getBytes());
 394         fos.write("\n".getBytes());
 395         fos.write(("lineWidth=" + FORMAT.format(lineWidth)).getBytes());
 396         fos.write("\n".getBytes());
 397         fos.write(("yellowColorRed=" + ((yellowColor >> 16) & 255)).getBytes());
 398         fos.write("\n".getBytes());
 399         fos.write(("yellowColorGreen=" + ((yellowColor >> 8) & 255)).getBytes());
 400         fos.write("\n".getBytes());
 401         fos.write(("yellowColorBlue=" + (yellowColor & 255)).getBytes());
 402         fos.write("\n".getBytes());
 403         fos.write(("redColorRed=" + ((redColor >> 16) & 255)).getBytes());
 404         fos.write("\n".getBytes());
 405         fos.write(("redColorGreen=" + ((redColor >> 8) & 255)).getBytes());
 406         fos.write("\n".getBytes());
 407         fos.write(("redColorBlue=" + (redColor & 255)).getBytes());
 408         fos.write("\n".getBytes());
 409         fos.write(("secondaryColorRed=" + ((secondaryColor >> 16) & 255)).getBytes());
 410         fos.write("\n".getBytes());
 411         fos.write(("secondaryColorGreen=" + ((secondaryColor >> 8) & 255)).getBytes());
 412         fos.write("\n".getBytes());
 413         fos.write(("secondaryColorBlue=" + (secondaryColor & 255)).getBytes());
 414         fos.close();
 415     }
 416
 417     private static KeyBinding createKeyBinding(Identifier id, InputUtil.Type type, int code, String category) {
 418         return KeyBindingHelper.registerKeyBinding(new KeyBinding("key." + id.getNamespace() + "." + id.getPath(), type, code, category));
 419     }
 420
 421     @Override
 422     public void onInitializeClient() {
 423         // Load Config
 424         loadConfig(configFile);
 425
 426         // Setup
 427         testingEntityType = EntityType.Builder.create(EntityCategory.MONSTER).setDimensions(0f, 0f).disableSaving().build(null);
 428         ClientTickEvents.END_CLIENT_TICK.register(minecraftClient -> {
 429             while (ENABLE_OVERLAY.wasPressed())
 430                 enabled = !enabled;
 431         });
 432         ClothClientHooks.DEBUG_RENDER_PRE.register(() -> {
 433             if (LightOverlay.enabled) {
 434                 PlayerEntity playerEntity = CLIENT.player;
 435                 int playerPosX = ((int) playerEntity.getX()) >> 4;
 436                 int playerPosZ = ((int) playerEntity.getZ()) >> 4;
 437                 EntityContext entityContext = EntityContext.of(playerEntity);
 438                 World world = CLIENT.world;
 439                 BlockPos playerPos = new BlockPos(playerEntity.getX(), playerEntity.getY(), playerEntity.getZ());
 440                 Camera camera = CLIENT.gameRenderer.getCamera();
 441                 if (showNumber) {
 442                     RenderSystem.enableTexture();
 443                     RenderSystem.depthMask(true);
 444                     BlockPos.Mutable mutable = new BlockPos.Mutable();
 445                     BlockPos.Mutable downMutable = new BlockPos.Mutable();
 446                     for (Map.Entry<ChunkPos, Long2ReferenceMap<Object>> entry : CHUNK_MAP.entrySet()) {
 447                         if (caching && (MathHelper.abs(entry.getKey().x - playerPosX) > getChunkRange() || MathHelper.abs(entry.getKey().z - playerPosZ) > getChunkRange())) {
 448                             continue;
 449                         }
 450                         for (Long2ReferenceMap.Entry<Object> objectEntry : entry.getValue().long2ReferenceEntrySet()) {
 451                             if (objectEntry.getValue() instanceof Integer) {
 452                                 mutable.set(BlockPos.unpackLongX(objectEntry.getLongKey()), BlockPos.unpackLongY(objectEntry.getLongKey()), BlockPos.unpackLongZ(objectEntry.getLongKey()));
 453                                 if (mutable.isWithinDistance(playerPos, reach)) {
 454                                     if (frustum == null || FrustumHelper.isVisible(frustum, mutable.getX(), mutable.getY(), mutable.getZ(), mutable.getX() + 1, mutable.getX() + 1, mutable.getX() + 1)) {
 455                                         downMutable.set(mutable.getX(), mutable.getY() - 1, mutable.getZ());
 456                                         LightOverlay.renderLevel(CLIENT, camera, world, mutable, downMutable, (Integer) objectEntry.getValue(), entityContext);
 457                                     }
 458                                 }
 459                             }
 460                         }
 461                     }
 462                     RenderSystem.enableDepthTest();
 463                 } else {
 464                     RenderSystem.enableDepthTest();
 465                     RenderSystem.disableTexture();
 466                     RenderSystem.enableBlend();
 467                     RenderSystem.blendFunc(GlStateManager.SrcFactor.SRC_ALPHA, GlStateManager.DstFactor.ONE_MINUS_SRC_ALPHA);
 468                     if (smoothLines) GL11.glEnable(GL11.GL_LINE_SMOOTH);
 469                     GL11.glLineWidth(lineWidth);
 470                     GL11.glBegin(GL11.GL_LINES);
 471                     BlockPos.Mutable mutable = new BlockPos.Mutable();
 472                     for (Map.Entry<ChunkPos, Long2ReferenceMap<Object>> entry : CHUNK_MAP.entrySet()) {
 473                         if (caching && (MathHelper.abs(entry.getKey().x - playerPosX) > getChunkRange() || MathHelper.abs(entry.getKey().z - playerPosZ) > getChunkRange())) {
 474                             continue;
 475                         }
 476                         for (Long2ReferenceMap.Entry<Object> objectEntry : entry.getValue().long2ReferenceEntrySet()) {
 477                             if (objectEntry.getValue() instanceof CrossType) {
 478                                 mutable.set(BlockPos.unpackLongX(objectEntry.getLongKey()), BlockPos.unpackLongY(objectEntry.getLongKey()), BlockPos.unpackLongZ(objectEntry.getLongKey()));
 479                                 if (mutable.isWithinDistance(playerPos, reach)) {
 480                                     if (frustum == null || FrustumHelper.isVisible(frustum, mutable.getX(), mutable.getY(), mutable.getZ(), mutable.getX() + 1, mutable.getX() + 1, mutable.getX() + 1)) {
 481                                         int color = objectEntry.getValue() == CrossType.RED ? redColor : objectEntry.getValue() == CrossType.YELLOW ? yellowColor : secondaryColor;
 482                                         LightOverlay.renderCross(camera, world, mutable, color, entityContext);
 483                                     }
 484                                 }
 485                             }
 486                         }
 487                     }
 488                     GL11.glEnd();
 489                     RenderSystem.disableBlend();
 490                     RenderSystem.enableTexture();
 491                     if (smoothLines) GL11.glDisable(GL11.GL_LINE_SMOOTH);
 492                 }
 493             }
 494         });
 495     }
 496
 497     private enum CrossType {
 498         YELLOW,
 499         RED,
 500         SECONDARY,
 501         NONE
 502     }
 503 }