1 package me.shedaniel.lightoverlay;
3 import com.mojang.blaze3d.platform.GlStateManager;
4 import net.minecraft.block.Block;
5 import net.minecraft.block.BlockState;
6 import net.minecraft.client.Minecraft;
7 import net.minecraft.client.entity.player.ClientPlayerEntity;
8 import net.minecraft.client.renderer.ActiveRenderInfo;
9 import net.minecraft.client.renderer.BufferBuilder;
10 import net.minecraft.client.renderer.Tessellator;
11 import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
12 import net.minecraft.client.settings.KeyBinding;
13 import net.minecraft.client.util.InputMappings;
14 import net.minecraft.entity.Entity;
15 import net.minecraft.entity.EntityClassification;
16 import net.minecraft.entity.EntityType;
17 import net.minecraft.entity.player.PlayerEntity;
18 import net.minecraft.tags.BlockTags;
19 import net.minecraft.util.Direction;
20 import net.minecraft.util.ResourceLocation;
21 import net.minecraft.util.math.BlockPos;
22 import net.minecraft.util.math.shapes.ISelectionContext;
23 import net.minecraft.util.math.shapes.VoxelShape;
24 import net.minecraft.util.text.TranslationTextComponent;
25 import net.minecraft.world.LightType;
26 import net.minecraft.world.World;
27 import net.minecraft.world.biome.Biome;
28 import net.minecraftforge.api.distmarker.Dist;
29 import net.minecraftforge.api.distmarker.OnlyIn;
30 import net.minecraftforge.client.event.InputEvent;
31 import net.minecraftforge.client.event.RenderWorldLastEvent;
32 import net.minecraftforge.client.settings.KeyConflictContext;
33 import net.minecraftforge.client.settings.KeyModifier;
34 import net.minecraftforge.common.MinecraftForge;
35 import net.minecraftforge.eventbus.api.SubscribeEvent;
36 import net.minecraftforge.fml.client.registry.ClientRegistry;
37 import net.minecraftforge.fml.common.Mod;
41 import java.io.FileInputStream;
42 import java.io.FileOutputStream;
43 import java.io.IOException;
44 import java.text.DecimalFormat;
45 import java.util.Properties;
48 @Mod("lightoverlay-forge")
49 public class LightOverlay {
51 private static final String KEYBIND_CATEGORY = "key.lightoverlay-forge.category";
52 private static final ResourceLocation ENABLE_OVERLAY_KEYBIND = new ResourceLocation("lightoverlay-forge", "enable_overlay");
53 private static final ResourceLocation INCREASE_REACH_KEYBIND = new ResourceLocation("lightoverlay-forge", "increase_reach");
54 private static final ResourceLocation DECREASE_REACH_KEYBIND = new ResourceLocation("lightoverlay-forge", "decrease_reach");
55 private static final ResourceLocation INCREASE_LINE_WIDTH_KEYBIND = new ResourceLocation("lightoverlay-forge", "increase_line_width");
56 private static final ResourceLocation DECREASE_LINE_WIDTH_KEYBIND = new ResourceLocation("lightoverlay-forge", "decrease_line_width");
57 private static final DecimalFormat FORMAT = new DecimalFormat("#.#");
58 private static KeyBinding enableOverlay, increaseReach, decreaseReach, increaseLineWidth, decreaseLineWidth;
59 private static boolean enabled = false;
60 private static int reach = 7;
61 private static EntityType<Entity> testingEntityType;
62 private static float lineWidth = 1.0F;
63 private static File configFile = new File(new File(Minecraft.getInstance().gameDir, "config"), "lightoverlay.properties");
64 private static Color yellowColor = Color.yellow, redColor = Color.red;
66 public LightOverlay() {
68 loadConfig(configFile);
71 testingEntityType = EntityType.Builder.create(EntityClassification.MONSTER).size(0f, 0f).disableSerialization().build(null);
72 enableOverlay = registerKeybind(ENABLE_OVERLAY_KEYBIND, InputMappings.Type.KEYSYM, 296, KEYBIND_CATEGORY);
73 increaseReach = registerKeybind(INCREASE_REACH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
74 decreaseReach = registerKeybind(DECREASE_REACH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
75 increaseLineWidth = registerKeybind(INCREASE_LINE_WIDTH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
76 decreaseLineWidth = registerKeybind(DECREASE_LINE_WIDTH_KEYBIND, InputMappings.Type.KEYSYM, -1, KEYBIND_CATEGORY);
77 MinecraftForge.EVENT_BUS.register(this);
80 public static CrossType getCrossType(BlockPos pos, World world, PlayerEntity playerEntity) {
81 BlockState blockBelowState = world.getBlockState(pos.down());
82 BlockState blockUpperState = world.getBlockState(pos);
83 VoxelShape upperCollisionShape = blockUpperState.getCollisionShape(world, pos, ISelectionContext.forEntity(playerEntity));
84 if (!blockUpperState.getFluidState().isEmpty())
85 return CrossType.NONE;
86 /* WorldEntitySpawner.func_222266_a */
87 // Check if the outline is full
88 if (Block.doesSideFillSquare(upperCollisionShape, Direction.UP))
89 return CrossType.NONE;
90 // Check if there is power
91 if (blockUpperState.canProvidePower())
92 return CrossType.NONE;
93 // Check if the collision has a bump
94 if (upperCollisionShape.getEnd(Direction.Axis.Y) > 0)
95 return CrossType.NONE;
96 if (blockUpperState.getBlock().isIn(BlockTags.RAILS))
97 return CrossType.NONE;
98 // Check block state allow spawning (excludes bedrock and barriers automatically)
99 if (!blockBelowState.canEntitySpawn(world, pos.down(), testingEntityType))
100 return CrossType.NONE;
101 if (world.getLightFor(LightType.BLOCK, pos) >= 8)
102 return CrossType.NONE;
103 if (world.getLightFor(LightType.SKY, pos) >= 8)
104 return CrossType.YELLOW;
105 return CrossType.RED;
108 public static void renderCross(World world, BlockPos pos, Color color, PlayerEntity entity) {
109 ActiveRenderInfo info = Minecraft.getInstance().gameRenderer.getActiveRenderInfo();
110 GlStateManager.lineWidth(lineWidth);
111 GlStateManager.depthMask(false);
112 GlStateManager.disableTexture();
113 Tessellator tessellator = Tessellator.getInstance();
114 BufferBuilder buffer = tessellator.getBuffer();
115 double d0 = info.getProjectedView().x;
116 double d1 = info.getProjectedView().y - .005D;
117 VoxelShape upperOutlineShape = world.getBlockState(pos).getShape(world, pos, ISelectionContext.forEntity(entity));
118 if (!upperOutlineShape.isEmpty())
119 d1 -= upperOutlineShape.getEnd(Direction.Axis.Y);
120 double d2 = info.getProjectedView().z;
122 buffer.begin(1, DefaultVertexFormats.POSITION_COLOR);
123 buffer.pos(pos.getX() + .01 - d0, pos.getY() - d1, pos.getZ() + .01 - d2).color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()).endVertex();
124 buffer.pos(pos.getX() - .01 + 1 - d0, pos.getY() - d1, pos.getZ() - .01 + 1 - d2).color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()).endVertex();
125 buffer.pos(pos.getX() - .01 + 1 - d0, pos.getY() - d1, pos.getZ() + .01 - d2).color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()).endVertex();
126 buffer.pos(pos.getX() + .01 - d0, pos.getY() - d1, pos.getZ() - .01 + 1 - d2).color(color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha()).endVertex();
128 GlStateManager.depthMask(true);
129 GlStateManager.enableTexture();
132 @SubscribeEvent(receiveCanceled = true)
133 public void handleInput(InputEvent.KeyInputEvent event) {
134 if (enableOverlay.isPressed())
136 if (increaseReach.isPressed()) {
140 saveConfig(configFile);
141 } catch (IOException e) {
144 Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_reach", reach), false);
146 if (decreaseReach.isPressed()) {
150 saveConfig(configFile);
151 } catch (IOException e) {
154 Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_reach", reach), false);
156 if (increaseLineWidth.isPressed()) {
160 saveConfig(configFile);
161 } catch (IOException e) {
164 Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_line_width", FORMAT.format(lineWidth)), false);
166 if (decreaseLineWidth.isPressed()) {
170 saveConfig(configFile);
171 } catch (IOException e) {
174 Minecraft.getInstance().player.sendStatusMessage(new TranslationTextComponent("text.lightoverlay-forge.current_line_width", FORMAT.format(lineWidth)), false);
179 public void renderWorldLast(RenderWorldLastEvent event) {
180 if (LightOverlay.enabled) {
181 Minecraft client = Minecraft.getInstance();
182 ClientPlayerEntity playerEntity = client.player;
183 World world = client.world;
184 GlStateManager.disableTexture();
185 GlStateManager.disableBlend();
186 BlockPos playerPos = new BlockPos(playerEntity.posX, playerEntity.posY, playerEntity.posZ);
187 BlockPos.getAllInBox(playerPos.add(-reach, -reach, -reach), playerPos.add(reach, reach, reach)).forEach(pos -> {
188 Biome biome = world.getBiome(pos);
189 if (biome.getSpawningChance() > 0 && !biome.getSpawns(EntityClassification.MONSTER).isEmpty()) {
190 CrossType type = LightOverlay.getCrossType(pos, world, playerEntity);
191 if (type != CrossType.NONE) {
192 VoxelShape shape = world.getBlockState(pos).getCollisionShape(world, pos);
193 Color color = type == CrossType.RED ? redColor : yellowColor;
194 LightOverlay.renderCross(world, pos, color, playerEntity);
198 GlStateManager.enableBlend();
199 GlStateManager.enableTexture();
203 private KeyBinding registerKeybind(ResourceLocation resourceLocation, InputMappings.Type type, int keyCode, String category) {
204 KeyBinding keyBinding = new KeyBinding("key." + resourceLocation.getNamespace() + "." + resourceLocation.getPath(), KeyConflictContext.IN_GAME, KeyModifier.NONE, type, keyCode, category);
205 ClientRegistry.registerKeyBinding(keyBinding);
209 private void loadConfig(File file) {
211 redColor = Color.red;
212 yellowColor = Color.yellow;
213 if (!file.exists() || !file.canRead())
215 FileInputStream fis = new FileInputStream(file);
216 Properties properties = new Properties();
217 properties.load(fis);
219 reach = Integer.parseInt((String) properties.computeIfAbsent("reach", a -> "7"));
220 lineWidth = Float.valueOf((String) properties.computeIfAbsent("lineWidth", a -> "1"));
223 r = Integer.parseInt((String) properties.computeIfAbsent("yellowColorRed", a -> "255"));
224 g = Integer.parseInt((String) properties.computeIfAbsent("yellowColorGreen", a -> "255"));
225 b = Integer.parseInt((String) properties.computeIfAbsent("yellowColorBlue", a -> "0"));
226 yellowColor = new Color(r, g, b);
230 r = Integer.parseInt((String) properties.computeIfAbsent("redColorRed", a -> "255"));
231 g = Integer.parseInt((String) properties.computeIfAbsent("redColorGreen", a -> "0"));
232 b = Integer.parseInt((String) properties.computeIfAbsent("redColorBlue", a -> "0"));
233 redColor = new Color(r, g, b);
236 } catch (Exception e) {
240 redColor = Color.red;
241 yellowColor = Color.yellow;
244 } catch (IOException ex) {
245 ex.printStackTrace();
250 private void saveConfig(File file) throws IOException {
251 FileOutputStream fos = new FileOutputStream(file, false);
252 fos.write("# Light Overlay Config".getBytes());
253 fos.write("\n".getBytes());
254 fos.write(("reach=" + String.valueOf(reach)).getBytes());
255 fos.write("\n".getBytes());
256 fos.write(("lineWidth=" + FORMAT.format(lineWidth)).getBytes());
257 fos.write("\n".getBytes());
258 fos.write(("yellowColorRed=" + String.valueOf(yellowColor.getRed())).getBytes());
259 fos.write("\n".getBytes());
260 fos.write(("yellowColorGreen=" + String.valueOf(yellowColor.getGreen())).getBytes());
261 fos.write("\n".getBytes());
262 fos.write(("yellowColorBlue=" + String.valueOf(yellowColor.getBlue())).getBytes());
263 fos.write("\n".getBytes());
264 fos.write(("redColorRed=" + String.valueOf(redColor.getRed())).getBytes());
265 fos.write("\n".getBytes());
266 fos.write(("redColorGreen=" + String.valueOf(redColor.getGreen())).getBytes());
267 fos.write("\n".getBytes());
268 fos.write(("redColorBlue=" + String.valueOf(redColor.getBlue())).getBytes());
272 private static enum CrossType {