src/main/java/me/shedaniel/lightoverlay/LightOverlayClient.java

   1 package me.shedaniel.lightoverlay;
   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 net.minecraft.block.Block;
   8 import net.minecraft.block.BlockState;
   9 import net.minecraft.client.Minecraft;
  10 import net.minecraft.client.entity.player.ClientPlayerEntity;
  11 import net.minecraft.client.gui.FontRenderer;
  12 import net.minecraft.client.renderer.*;
  13 import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
  14 import net.minecraft.client.settings.KeyBinding;
  15 import net.minecraft.client.util.InputMappings;
  16 import net.minecraft.client.world.ClientWorld;
  17 import net.minecraft.entity.Entity;
  18 import net.minecraft.entity.EntityClassification;
  19 import net.minecraft.entity.EntityType;
  20 import net.minecraft.network.IPacket;
  21 import net.minecraft.network.play.server.SChangeBlockPacket;
  22 import net.minecraft.network.play.server.SChunkDataPacket;
  23 import net.minecraft.network.play.server.SMultiBlockChangePacket;
  24 import net.minecraft.tags.BlockTags;
  25 import net.minecraft.util.Direction;
  26 import net.minecraft.util.ResourceLocation;
  27 import net.minecraft.util.math.BlockPos;
  28 import net.minecraft.util.math.ChunkPos;
  29 import net.minecraft.util.math.MathHelper;
  30 import net.minecraft.util.math.Vec3d;
  31 import net.minecraft.util.math.shapes.ISelectionContext;
  32 import net.minecraft.util.math.shapes.VoxelShape;
  33 import net.minecraft.util.text.TranslationTextComponent;
  34 import net.minecraft.world.IBlockReader;
  35 import net.minecraft.world.LightType;
  36 import net.minecraft.world.World;
  37 import net.minecraft.world.biome.Biome;
  38 import net.minecraft.world.chunk.Chunk;
  39 import net.minecraft.world.chunk.ChunkStatus;
  40 import net.minecraft.world.lighting.IWorldLightListener;
  41 import net.minecraftforge.api.distmarker.Dist;
  42 import net.minecraftforge.client.event.InputEvent;
  43 import net.minecraftforge.client.event.RenderWorldLastEvent;
  44 import net.minecraftforge.client.settings.KeyConflictContext;
  45 import net.minecraftforge.client.settings.KeyModifier;
  46 import net.minecraftforge.common.MinecraftForge;
  47 import net.minecraftforge.event.TickEvent;
  48 import net.minecraftforge.eventbus.api.SubscribeEvent;
  49 import net.minecraftforge.fml.DistExecutor;
  50 import net.minecraftforge.fml.client.registry.ClientRegistry;
  51 import net.minecraftforge.fml.common.ObfuscationReflectionHelper;
  52 import org.apache.logging.log4j.LogManager;
  53 import org.lwjgl.opengl.GL11;
  54
  55 import java.io.File;
  56 import java.io.FileInputStream;
  57 import java.io.FileOutputStream;
  58 import java.io.IOException;
  59 import java.text.DecimalFormat;
  60 import java.util.*;
  61 import java.util.concurrent.ExecutorService;
  62 import java.util.concurrent.Executors;
  63
  64 public class LightOverlayClient {
  65
  66     static final DecimalFormat FORMAT = new DecimalFormat("#.#");
  67     private static final String KEYBIND_CATEGORY = "key.lightoverlay-forge.category";
  68     private static final ResourceLocation ENABLE_OVERLAY_KEYBIND = new ResourceLocation("lightoverlay-forge", "enable_overlay");
  69     private static final ResourceLocation INCREASE_REACH_KEYBIND = new ResourceLocation("lightoverlay-forge", "increase_reach");
  70     private static final ResourceLocation DECREASE_REACH_KEYBIND = new ResourceLocation("lightoverlay-forge", "decrease_reach");
  71     private static final ResourceLocation INCREASE_LINE_WIDTH_KEYBIND = new ResourceLocation("lightoverlay-forge", "increase_line_width");
  72     private static final ResourceLocation DECREASE_LINE_WIDTH_KEYBIND = new ResourceLocation("lightoverlay-forge", "decrease_line_width");
  73     static int reach = 12;
  74     static int crossLevel = 7;
  75     static boolean showNumber = false;
  76     static EntityType<Entity> testingEntityType;
  77     static float lineWidth = 1.0F;
  78     static int yellowColor = 0xFFFF00, redColor = 0xFF0000;
  79     static File configFile = new File(new File(Minecraft.getInstance().gameDir, "config"), "lightoverlay.properties");
  80     private static KeyBinding enableOverlay, increaseReach, decreaseReach, increaseLineWidth, decreaseLineWidth;
  81     private static boolean enabled = false;
  82     private static int threadNumber = 0;
  83     private static final ExecutorService EXECUTOR = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors(), r -> {
  84         Thread thread = new Thread(r, "light-overlay-" + threadNumber++);
  85         thread.setDaemon(true);
  86         return thread;
  87     });
  88     private static final List<ChunkPos> POS = Lists.newCopyOnWriteArrayList();
  89     private static final Map<ChunkPos, Map<Long, Object>> CHUNK_MAP = Maps.newConcurrentMap();
  90     private static long ticks = 0;
  91
  92     public static void register() {
  93         // Load Config
  94         loadConfig(configFile);
  95
  96         // Setup
  97         testingEntityType = EntityType.Builder.create(EntityClassification.MONSTER).size(0f, 0f).disableSerialization().build(null);
  98         enableOverlay = registerKeybind(ENABLE_OVERLAY_KEYBIND, InputMappings.Type.KEYSYM, 296, KEYBIND_CATEGORY);
  99         increaseReach = registerKeybind(INCREASE_REACH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
 100         decreaseReach = registerKeybind(DECREASE_REACH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
 101         increaseLineWidth = registerKeybind(INCREASE_LINE_WIDTH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
 102         decreaseLineWidth = registerKeybind(DECREASE_LINE_WIDTH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
 103         MinecraftForge.EVENT_BUS.register(LightOverlayClient.class);
 104
 105         try {
 106             //noinspection Convert2MethodRef
 107             DistExecutor.runWhenOn(Dist.CLIENT, () -> () -> LightOverlayCloth.register());
 108         } catch (Exception e) {
 109             e.printStackTrace();
 110         }
 111     }
 112
 113     public static CrossType getCrossType(BlockPos pos, BlockPos down, IBlockReader reader, IWorldLightListener block, IWorldLightListener sky, ISelectionContext selectionContext) {
 114         BlockState blockBelowState = reader.getBlockState(down);
 115         BlockState blockUpperState = reader.getBlockState(pos);
 116         VoxelShape upperCollisionShape = blockUpperState.getCollisionShape(reader, pos, selectionContext);
 117         if (!blockUpperState.getFluidState().isEmpty())
 118             return CrossType.NONE;
 119         /* WorldEntitySpawner.func_222266_a */
 120         // Check if the outline is full
 121         if (Block.doesSideFillSquare(upperCollisionShape, Direction.UP))
 122             return CrossType.NONE;
 123         // Check if there is power
 124         if (blockUpperState.canProvidePower())
 125             return CrossType.NONE;
 126         // Check if the collision has a bump
 127         if (upperCollisionShape.getEnd(Direction.Axis.Y) > 0)
 128             return CrossType.NONE;
 129         if (blockUpperState.getBlock().isIn(BlockTags.RAILS))
 130             return CrossType.NONE;
 131         // Check block state allow spawning (excludes bedrock and barriers automatically)
 132         if (!blockBelowState.canEntitySpawn(reader, down, testingEntityType))
 133             return CrossType.NONE;
 134         if (block.getLightFor(pos) > crossLevel)
 135             return CrossType.NONE;
 136         if (sky.getLightFor(pos) > crossLevel)
 137             return CrossType.YELLOW;
 138         return CrossType.RED;
 139     }
 140
 141     public static int getCrossLevel(BlockPos pos, BlockPos down, IBlockReader reader, IWorldLightListener light, ISelectionContext context) {
 142         BlockState blockBelowState = reader.getBlockState(down);
 143         BlockState blockUpperState = reader.getBlockState(pos);
 144         VoxelShape collisionShape = blockBelowState.getCollisionShape(reader, down, context);
 145         VoxelShape upperCollisionShape = blockUpperState.getCollisionShape(reader, pos, context);
 146         if (!blockUpperState.getFluidState().isEmpty())
 147             return -1;
 148         if (!blockBelowState.getFluidState().isEmpty())
 149             return -1;
 150         if (blockBelowState.isAir(reader, down))
 151             return -1;
 152         if (!blockUpperState.isAir(reader, pos))
 153             return -1;
 154         return light.getLightFor(pos);
 155     }
 156
 157     public static void renderCross(ActiveRenderInfo info, Tessellator tessellator, BufferBuilder buffer, World world, BlockPos pos, int color, ISelectionContext context) {
 158         double d0 = info.getProjectedView().x;
 159         double d1 = info.getProjectedView().y - .005D;
 160         VoxelShape upperOutlineShape = world.getBlockState(pos).getShape(world, pos, context);
 161         if (!upperOutlineShape.isEmpty())
 162             d1 -= upperOutlineShape.getEnd(Direction.Axis.Y);
 163         double d2 = info.getProjectedView().z;
 164         buffer.begin(1, DefaultVertexFormats.POSITION_COLOR);
 165         int red = (color >> 16) & 255;
 166         int green = (color >> 8) & 255;
 167         int blue = color & 255;
 168         buffer.pos(pos.getX() + .01 - d0, pos.getY() - d1, pos.getZ() + .01 - d2).color(red, green, blue, 255).endVertex();
 169         buffer.pos(pos.getX() - .01 + 1 - d0, pos.getY() - d1, pos.getZ() - .01 + 1 - d2).color(red, green, blue, 255).endVertex();
 170         buffer.pos(pos.getX() - .01 + 1 - d0, pos.getY() - d1, pos.getZ() + .01 - d2).color(red, green, blue, 255).endVertex();
 171         buffer.pos(pos.getX() + .01 - d0, pos.getY() - d1, pos.getZ() - .01 + 1 - d2).color(red, green, blue, 255).endVertex();
 172         tessellator.draw();
 173     }
 174
 175     public static void renderLevel(Minecraft minecraft, ActiveRenderInfo info, World world, BlockPos pos, BlockPos down, int level, ISelectionContext context) {
 176         String string_1 = String.valueOf(level);
 177         FontRenderer fontRenderer = minecraft.fontRenderer;
 178         double double_4 = info.getProjectedView().x;
 179         double double_5 = info.getProjectedView().y;
 180         VoxelShape upperOutlineShape = world.getBlockState(down).getShape(world, down, context);
 181         if (!upperOutlineShape.isEmpty())
 182             double_5 += 1 - upperOutlineShape.getEnd(Direction.Axis.Y);
 183         double double_6 = info.getProjectedView().z;
 184         RenderSystem.pushMatrix();
 185         RenderSystem.translatef((float) (pos.getX() + 0.5f - double_4), (float) (pos.getY() - double_5) + 0.005f, (float) (pos.getZ() + 0.5f - double_6));
 186         RenderSystem.rotatef(90, 1, 0, 0);
 187         RenderSystem.normal3f(0.0F, 1.0F, 0.0F);
 188         float size = 0.07F;
 189         RenderSystem.scalef(-size, -size, size);
 190         float float_3 = (float) (-fontRenderer.getStringWidth(string_1)) / 2.0F + 0.4f;
 191         RenderSystem.enableAlphaTest();
 192         IRenderTypeBuffer.Impl vertexConsumerProvider$Immediate_1 = IRenderTypeBuffer.getImpl(Tessellator.getInstance().getBuffer());
 193         fontRenderer.renderString(string_1, float_3, -3.5f, level > crossLevel ? 0xff042404 : 0xff731111, false, TransformationMatrix.identity().getMatrix(), vertexConsumerProvider$Immediate_1, false, 0, 15728880);
 194         vertexConsumerProvider$Immediate_1.finish();
 195         RenderSystem.popMatrix();
 196     }
 197
 198     @SubscribeEvent(receiveCanceled = true)
 199     public static void handleInput(InputEvent.KeyInputEvent event) {
 200         if (enableOverlay.isPressed())
 201             enabled = !enabled;
 202         if (increaseReach.isPressed()) {
 203             if (reach < 64)
 204                 reach++;
 205             try {
 206                 saveConfig(configFile);
 207             } catch (IOException e) {
 208                 e.printStackTrace();
 209             }
 210             Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_reach", reach), false);
 211         }
 212         if (decreaseReach.isPressed()) {
 213             if (reach > 1)
 214                 reach--;
 215             try {
 216                 saveConfig(configFile);
 217             } catch (IOException e) {
 218                 e.printStackTrace();
 219             }
 220             Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_reach", reach), false);
 221         }
 222         if (increaseLineWidth.isPressed()) {
 223             if (lineWidth < 7)
 224                 lineWidth += 0.1f;
 225             try {
 226                 saveConfig(configFile);
 227             } catch (IOException e) {
 228                 e.printStackTrace();
 229             }
 230             Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_line_width", FORMAT.format(lineWidth)), false);
 231         }
 232         if (decreaseLineWidth.isPressed()) {
 233             if (lineWidth > 1)
 234                 lineWidth -= 0.1F;
 235             try {
 236                 saveConfig(configFile);
 237             } catch (IOException e) {
 238                 e.printStackTrace();
 239             }
 240             Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_line_width", FORMAT.format(lineWidth)), false);
 241         }
 242     }
 243
 244     public static void queueChunkAndNear(ChunkPos pos) {
 245         for (int xOffset = -1; xOffset <= 1; xOffset++) {
 246             for (int zOffset = -1; zOffset <= 1; zOffset++) {
 247                 queueChunk(new ChunkPos(pos.x + xOffset, pos.z + zOffset));
 248             }
 249         }
 250     }
 251
 252     public static void queueChunk(ChunkPos pos) {
 253         if (!POS.contains(pos))
 254             POS.add(0, pos);
 255     }
 256
 257     public static int getChunkRange() {
 258         return Math.max(MathHelper.ceil(reach / 16f), 1);
 259     }
 260
 261     @SubscribeEvent
 262     public static void tick(TickEvent.ClientTickEvent event) {
 263         if (event.phase == TickEvent.Phase.END) {
 264             try {
 265                 Minecraft minecraft = Minecraft.getInstance();
 266                 ticks++;
 267                 if (minecraft.player == null || !enabled) {
 268                     POS.clear();
 269                 } else {
 270                     ClientPlayerEntity player = minecraft.player;
 271                     ClientWorld world = minecraft.world;
 272                     ISelectionContext selectionContext = ISelectionContext.forEntity(player);
 273                     Vec3d[] playerPos = {null};
 274                     int playerPosX = ((int) player.getPosX()) >> 4;
 275                     int playerPosZ = ((int) player.getPosZ()) >> 4;
 276                     if (ticks % 20 == 0) {
 277                         for (int chunkX = playerPosX - getChunkRange(); chunkX <= playerPosX + getChunkRange(); chunkX++) {
 278                             for (int chunkZ = playerPosZ - getChunkRange(); chunkZ <= playerPosZ + getChunkRange(); chunkZ++) {
 279                                 ChunkPos chunkPos = new ChunkPos(chunkX, chunkZ);
 280                                 if (!CHUNK_MAP.containsKey(chunkPos))
 281                                     queueChunk(chunkPos);
 282                             }
 283                         }
 284                     }
 285                     if (!POS.isEmpty()) {
 286                         if (playerPos[0] == null) {
 287                             playerPos[0] = player.getPositionVec();
 288                         }
 289                         ChunkPos pos = POS.stream().min(Comparator.comparingDouble(value -> value.getBlock(8, 0, 8).distanceSq(playerPos[0].x, 0, playerPos[0].z, false))).get();
 290                         EXECUTOR.submit(() -> {
 291                             if (MathHelper.abs(pos.x - playerPosX) <= getChunkRange() && MathHelper.abs(pos.z - playerPosZ) <= getChunkRange()) {
 292                                 calculateChunk(world.getChunkProvider().getChunk(pos.x, pos.z, ChunkStatus.FULL, false), world, pos, selectionContext);
 293                             } else {
 294                                 CHUNK_MAP.remove(pos);
 295                             }
 296                         });
 297                         POS.remove(pos);
 298                     }
 299                     Iterator<Map.Entry<ChunkPos, Map<Long, Object>>> chunkMapIterator = CHUNK_MAP.entrySet().iterator();
 300                     while (chunkMapIterator.hasNext()) {
 301                         Map.Entry<ChunkPos, Map<Long, Object>> pos = chunkMapIterator.next();
 302                         if (MathHelper.abs(pos.getKey().x - playerPosX) > getChunkRange() * 2 || MathHelper.abs(pos.getKey().z - playerPosZ) > getChunkRange() * 2) {
 303                             chunkMapIterator.remove();
 304                         }
 305                     }
 306                 }
 307             } catch (Exception e) {
 308                 LogManager.getLogger().throwing(e);
 309             }
 310         }
 311     }
 312
 313     private static void calculateChunk(Chunk chunk, World world, ChunkPos chunkPos, ISelectionContext selectionContext) {
 314         Map<Long, Object> map = Maps.newHashMap();
 315         if (chunk != null) {
 316             IWorldLightListener block = chunk.getWorldLightManager().getLightEngine(LightType.BLOCK);
 317             IWorldLightListener sky = showNumber ? null : chunk.getWorldLightManager().getLightEngine(LightType.SKY);
 318             for (BlockPos pos : BlockPos.getAllInBoxMutable(chunkPos.getXStart(), 0, chunkPos.getZStart(), chunkPos.getXEnd(), 256, chunkPos.getZEnd())) {
 319                 BlockPos down = pos.down();
 320                 if (showNumber) {
 321                     int level = LightOverlayClient.getCrossLevel(pos, down, chunk, block, selectionContext);
 322                     if (level >= 0) {
 323                         map.put(pos.toLong(), level);
 324                     }
 325                 } else {
 326                     Biome biome = world.getBiomeManager().getBiome(pos);
 327                     if (biome.getSpawningChance() > 0 && !biome.getSpawns(EntityClassification.MONSTER).isEmpty()) {
 328                         CrossType type = LightOverlayClient.getCrossType(pos, down, chunk, block, sky, selectionContext);
 329                         if (type != CrossType.NONE) {
 330                             map.put(pos.toLong(), type);
 331                         }
 332                     }
 333                 }
 334             }
 335         }
 336         CHUNK_MAP.put(chunkPos, map);
 337     }
 338
 339     @SubscribeEvent
 340     public static void renderWorldLast(RenderWorldLastEvent event) {
 341         if (LightOverlayClient.enabled) {
 342             RenderSystem.pushMatrix();
 343             RenderSystem.loadIdentity();
 344             RenderSystem.multMatrix(event.getMatrixStack().getLast().getMatrix());
 345             Minecraft client = Minecraft.getInstance();
 346             ClientPlayerEntity playerEntity = client.player;
 347             int playerPosX = ((int) playerEntity.getPosX()) >> 4;
 348             int playerPosZ = ((int) playerEntity.getPosZ()) >> 4;
 349             ISelectionContext selectionContext = ISelectionContext.forEntity(playerEntity);
 350             World world = client.world;
 351             BlockPos playerPos = playerEntity.getPosition();
 352             ActiveRenderInfo info = client.gameRenderer.getActiveRenderInfo();
 353             if (showNumber) {
 354                 RenderSystem.enableTexture();
 355                 RenderSystem.depthMask(true);
 356                 BlockPos.Mutable mutable = new BlockPos.Mutable();
 357                 for (Map.Entry<ChunkPos, Map<Long, Object>> entry : CHUNK_MAP.entrySet()) {
 358                     if (MathHelper.abs(entry.getKey().x - playerPosX) > getChunkRange() || MathHelper.abs(entry.getKey().z - playerPosZ) > getChunkRange()) {
 359                         continue;
 360                     }
 361                     for (Map.Entry<Long, Object> objectEntry : entry.getValue().entrySet()) {
 362                         if (objectEntry.getValue() instanceof Integer) {
 363                             mutable.setPos(BlockPos.unpackX(objectEntry.getKey()), BlockPos.unpackY(objectEntry.getKey()), BlockPos.unpackZ(objectEntry.getKey()));
 364                             if (mutable.withinDistance(playerPos, reach)) {
 365                                 BlockPos down = mutable.down();
 366                                 LightOverlayClient.renderLevel(client, info, world, mutable, down, (Integer) objectEntry.getValue(), selectionContext);
 367                             }
 368                         }
 369                     }
 370                 }
 371                 RenderSystem.color4f(1.0F, 1.0F, 1.0F, 1.0F);
 372                 RenderSystem.enableDepthTest();
 373             } else {
 374                 RenderSystem.enableDepthTest();
 375                 RenderSystem.disableTexture();
 376                 RenderSystem.enableBlend();
 377                 RenderSystem.blendFunc(GlStateManager.SourceFactor.SRC_ALPHA, GlStateManager.DestFactor.ONE_MINUS_SRC_ALPHA);
 378                 RenderSystem.disableLighting();
 379                 GL11.glEnable(GL11.GL_LINE_SMOOTH);
 380                 RenderSystem.lineWidth(lineWidth);
 381                 Tessellator tessellator = Tessellator.getInstance();
 382                 BufferBuilder buffer = tessellator.getBuffer();
 383                 BlockPos.Mutable mutable = new BlockPos.Mutable();
 384                 for (Map.Entry<ChunkPos, Map<Long, Object>> entry : CHUNK_MAP.entrySet()) {
 385                     if (MathHelper.abs(entry.getKey().x - playerPosX) > getChunkRange() || MathHelper.abs(entry.getKey().z - playerPosZ) > getChunkRange()) {
 386                         continue;
 387                     }
 388                     for (Map.Entry<Long, Object> objectEntry : entry.getValue().entrySet()) {
 389                         if (objectEntry.getValue() instanceof CrossType) {
 390                             mutable.setPos(BlockPos.unpackX(objectEntry.getKey()), BlockPos.unpackY(objectEntry.getKey()), BlockPos.unpackZ(objectEntry.getKey()));
 391                             if (mutable.withinDistance(playerPos, reach)) {
 392                                 BlockPos down = mutable.down();
 393                                 int color = objectEntry.getValue() == CrossType.RED ? redColor : yellowColor;
 394                                 LightOverlayClient.renderCross(info, tessellator, buffer, world, mutable, color, selectionContext);
 395                             }
 396                         }
 397                     }
 398                 }
 399                 RenderSystem.disableBlend();
 400                 RenderSystem.enableTexture();
 401                 GL11.glDisable(GL11.GL_LINE_SMOOTH);
 402             }
 403             RenderSystem.popMatrix();
 404         }
 405     }
 406
 407     private static KeyBinding registerKeybind(ResourceLocation resourceLocation, InputMappings.Type type, int keyCode, String category) {
 408         KeyBinding keyBinding = new KeyBinding("key." + resourceLocation.getNamespace() + "." + resourceLocation.getPath(), KeyConflictContext.IN_GAME, KeyModifier.NONE, type, keyCode, category);
 409         ClientRegistry.registerKeyBinding(keyBinding);
 410         return keyBinding;
 411     }
 412
 413     static void loadConfig(File file) {
 414         try {
 415             redColor = 0xFF0000;
 416             yellowColor = 0xFFFF00;
 417             if (!file.exists() || !file.canRead())
 418                 saveConfig(file);
 419             FileInputStream fis = new FileInputStream(file);
 420             Properties properties = new Properties();
 421             properties.load(fis);
 422             fis.close();
 423             reach = Integer.parseInt((String) properties.computeIfAbsent("reach", a -> "12"));
 424             crossLevel = Integer.parseInt((String) properties.computeIfAbsent("crossLevel", a -> "7"));
 425             showNumber = ((String) properties.computeIfAbsent("showNumber", a -> "false")).equalsIgnoreCase("true");
 426             lineWidth = Float.parseFloat((String) properties.computeIfAbsent("lineWidth", a -> "1"));
 427             {
 428                 int r, g, b;
 429                 r = Integer.parseInt((String) properties.computeIfAbsent("yellowColorRed", a -> "255"));
 430                 g = Integer.parseInt((String) properties.computeIfAbsent("yellowColorGreen", a -> "255"));
 431                 b = Integer.parseInt((String) properties.computeIfAbsent("yellowColorBlue", a -> "0"));
 432                 yellowColor = (r << 16) + (g << 8) + b;
 433             }
 434             {
 435                 int r, g, b;
 436                 r = Integer.parseInt((String) properties.computeIfAbsent("redColorRed", a -> "255"));
 437                 g = Integer.parseInt((String) properties.computeIfAbsent("redColorGreen", a -> "0"));
 438                 b = Integer.parseInt((String) properties.computeIfAbsent("redColorBlue", a -> "0"));
 439                 redColor = (r << 16) + (g << 8) + b;
 440             }
 441             saveConfig(file);
 442         } catch (Exception e) {
 443             e.printStackTrace();
 444             reach = 12;
 445             lineWidth = 1.0F;
 446             redColor = 0xFF0000;
 447             yellowColor = 0xFFFF00;
 448             try {
 449                 saveConfig(file);
 450             } catch (IOException ex) {
 451                 ex.printStackTrace();
 452             }
 453         }
 454     }
 455
 456     static void saveConfig(File file) throws IOException {
 457         FileOutputStream fos = new FileOutputStream(file, false);
 458         fos.write("# Light Overlay Config".getBytes());
 459         fos.write("\n".getBytes());
 460         fos.write(("reach=" + reach).getBytes());
 461         fos.write("\n".getBytes());
 462         fos.write(("crossLevel=" + crossLevel).getBytes());
 463         fos.write("\n".getBytes());
 464         fos.write(("showNumber=" + showNumber).getBytes());
 465         fos.write("\n".getBytes());
 466         fos.write(("lineWidth=" + FORMAT.format(lineWidth)).getBytes());
 467         fos.write("\n".getBytes());
 468         fos.write(("yellowColorRed=" + ((yellowColor >> 16) & 255)).getBytes());
 469         fos.write("\n".getBytes());
 470         fos.write(("yellowColorGreen=" + ((yellowColor >> 8) & 255)).getBytes());
 471         fos.write("\n".getBytes());
 472         fos.write(("yellowColorBlue=" + (yellowColor & 255)).getBytes());
 473         fos.write("\n".getBytes());
 474         fos.write(("redColorRed=" + ((redColor >> 16) & 255)).getBytes());
 475         fos.write("\n".getBytes());
 476         fos.write(("redColorGreen=" + ((redColor >> 8) & 255)).getBytes());
 477         fos.write("\n".getBytes());
 478         fos.write(("redColorBlue=" + (redColor & 255)).getBytes());
 479         fos.close();
 480     }
 481
 482     public static void processPacket(IPacket<?> packet) {
 483         if (packet instanceof SChangeBlockPacket) {
 484             LightOverlayClient.queueChunkAndNear(new ChunkPos(((SChangeBlockPacket) packet).getPos()));
 485         } else if (packet instanceof SChunkDataPacket) {
 486             LightOverlayClient.queueChunkAndNear(new ChunkPos(((SChunkDataPacket) packet).getChunkX(), ((SChunkDataPacket) packet).getChunkZ()));
 487         } else if (packet instanceof SMultiBlockChangePacket) {
 488             ChunkPos chunkPos = ObfuscationReflectionHelper.getPrivateValue(SMultiBlockChangePacket.class, (SMultiBlockChangePacket) packet, "field_148925_b");
 489             LightOverlayClient.queueChunkAndNear(new ChunkPos(chunkPos.x, chunkPos.z));
 490         }
 491     }
 492
 493     private enum CrossType {
 494         YELLOW,
 495         RED,
 496         NONE
 497     }
 498
 499 }