1 package me.shedaniel.lightoverlay.common;
3 import com.mojang.blaze3d.systems.RenderSystem;
4 import com.mojang.blaze3d.vertex.*;
5 import it.unimi.dsi.fastutil.longs.Long2ByteMap;
6 import net.minecraft.client.Camera;
7 import net.minecraft.client.Minecraft;
8 import net.minecraft.client.gui.Font;
9 import net.minecraft.client.player.LocalPlayer;
10 import net.minecraft.client.renderer.GameRenderer;
11 import net.minecraft.client.renderer.MultiBufferSource;
12 import net.minecraft.client.renderer.culling.Frustum;
13 import net.minecraft.core.BlockPos;
14 import net.minecraft.core.Direction;
15 import net.minecraft.util.Mth;
16 import net.minecraft.world.level.Level;
17 import net.minecraft.world.phys.AABB;
18 import net.minecraft.world.phys.shapes.CollisionContext;
19 import net.minecraft.world.phys.shapes.VoxelShape;
20 import org.joml.Matrix4f;
21 import org.joml.Quaternionf;
24 import java.util.function.Consumer;
26 public class LightOverlayRenderer implements Consumer<PoseStack> {
27 private final Minecraft minecraft = Minecraft.getInstance();
28 public Frustum frustum;
29 public LightOverlayTicker ticker;
31 public LightOverlayRenderer(LightOverlayTicker ticker) {
36 public void accept(PoseStack poses) {
37 if (LightOverlay.enabled) {
38 LocalPlayer playerEntity = minecraft.player;
39 BlockPos playerPos = BlockPos.containing(playerEntity.getX(), playerEntity.getY(), playerEntity.getZ());
40 int playerPosX = playerPos.getX() >> 4;
41 int playerPosY = playerPos.getY() >> 5;
42 int playerPosZ = playerPos.getZ() >> 4;
43 CollisionContext collisionContext = CollisionContext.of(playerEntity);
44 Camera camera = minecraft.gameRenderer.getMainCamera();
45 int chunkRange = LightOverlay.getChunkRange();
47 if (LightOverlay.showNumber) {
48 renderLevels(poses, camera, playerPos, playerPosX, playerPosY, playerPosZ, chunkRange, collisionContext);
50 renderCrosses(poses, camera, playerPos, playerPosX, playerPosY, playerPosZ, chunkRange, collisionContext);
55 private void renderLevels(PoseStack poses, Camera camera, BlockPos playerPos, int playerPosX, int playerPosY, int playerPosZ, int chunkRange, CollisionContext collisionContext) {
56 RenderSystem.depthMask(true);
57 BlockPos.MutableBlockPos mutable = new BlockPos.MutableBlockPos();
58 BlockPos.MutableBlockPos downMutable = new BlockPos.MutableBlockPos();
59 MultiBufferSource.BufferSource source = MultiBufferSource.immediate(Tesselator.getInstance().getBuilder());
60 for (Map.Entry<CubicChunkPos, Long2ByteMap> entry : ticker.CHUNK_MAP.entrySet()) {
61 CubicChunkPos chunkPos = entry.getKey();
62 if (LightOverlay.caching && (Mth.abs(chunkPos.x - playerPosX) > chunkRange || Mth.abs(chunkPos.y - playerPosY) > Math.max(1, chunkRange >> 1) || Mth.abs(chunkPos.z - playerPosZ) > chunkRange)) {
65 for (Long2ByteMap.Entry objectEntry : entry.getValue().long2ByteEntrySet()) {
66 mutable.set(objectEntry.getLongKey());
67 if (mutable.closerThan(playerPos, LightOverlay.reach)) {
68 if (isFrustumVisible(mutable.getX(), mutable.getY(), mutable.getZ(), mutable.getX() + 1, mutable.getX() + 1, mutable.getX() + 1)) {
69 downMutable.set(mutable.getX(), mutable.getY() - 1, mutable.getZ());
70 renderLevel(poses, source, camera, minecraft.level, mutable, downMutable, objectEntry.getByteValue(), collisionContext);
75 RenderSystem.enableDepthTest();
79 public void renderLevel(PoseStack poses, MultiBufferSource.BufferSource source, Camera camera, Level world, BlockPos pos, BlockPos down, byte level, CollisionContext collisionContext) {
80 String text = String.valueOf(level);
81 Font font = minecraft.font;
82 double cameraX = camera.getPosition().x;
83 double cameraY = camera.getPosition().y;
84 VoxelShape upperOutlineShape = world.getBlockState(down).getShape(world, down, collisionContext);
85 if (!upperOutlineShape.isEmpty())
86 cameraY += 1 - upperOutlineShape.max(Direction.Axis.Y);
87 double cameraZ = camera.getPosition().z;
89 poses.translate(pos.getX() + 0.5 - cameraX, pos.getY() - cameraY + 0.005, pos.getZ() + 0.5 - cameraZ);
90 poses.mulPose(new Quaternionf().fromAxisAngleDeg(1, 0, 0, 90));
91 // poses.glNormal3f(0.0F, 1.0F, 0.0F);
93 poses.scale(-size, -size, size);
94 float float_3 = (float) (-font.width(text)) / 2.0F + 0.4f;
95 font.drawInBatch(text, float_3, -3.5f, level > LightOverlay.higherCrossLevel ? 0xff042404 : (LightOverlay.lowerCrossLevel >= 0 && level > LightOverlay.lowerCrossLevel ? 0xff0066ff : 0xff731111), false, poses.last().pose(), source, Font.DisplayMode.NORMAL, 0, 15728880);
99 private void renderCrosses(PoseStack poses, Camera camera, BlockPos playerPos, int playerPosX, int playerPosY, int playerPosZ, int chunkRange, CollisionContext collisionContext) {
100 RenderSystem.enableDepthTest();
101 RenderSystem.disableBlend();
102 RenderSystem.setShader(GameRenderer::getPositionColorShader);
103 RenderSystem.lineWidth(LightOverlay.lineWidth);
104 Tesselator tesselator = Tesselator.getInstance();
105 BufferBuilder builder = tesselator.getBuilder();
106 builder.begin(VertexFormat.Mode.DEBUG_LINES, DefaultVertexFormat.POSITION_COLOR);
107 BlockPos.MutableBlockPos mutable = new BlockPos.MutableBlockPos();
109 for (Map.Entry<CubicChunkPos, Long2ByteMap> entry : ticker.CHUNK_MAP.entrySet()) {
110 CubicChunkPos chunkPos = entry.getKey();
111 if (LightOverlay.caching && (Mth.abs(chunkPos.x - playerPosX) > chunkRange || Mth.abs(chunkPos.y - playerPosY) > Math.max(1, chunkRange >> 1) || Mth.abs(chunkPos.z - playerPosZ) > chunkRange)) {
115 for (Long2ByteMap.Entry objectEntry : entry.getValue().long2ByteEntrySet()) {
116 byte crossType = objectEntry.getByteValue();
117 mutable.set(objectEntry.getLongKey());
118 if (mutable.closerThan(playerPos, LightOverlay.reach)) {
119 if (isFrustumVisible(mutable.getX(), mutable.getY(), mutable.getZ(), mutable.getX() + 1, mutable.getX() + 1, mutable.getX() + 1)) {
120 int color = switch (crossType) {
121 case LightOverlay.CROSS_RED -> LightOverlay.redColor;
122 case LightOverlay.CROSS_YELLOW -> LightOverlay.yellowColor;
123 default -> LightOverlay.secondaryColor;
125 renderCross(poses.last().pose(), builder, camera, minecraft.level, mutable, color, collisionContext);
132 RenderSystem.lineWidth(1.0F);
133 RenderSystem.enableBlend();
136 public void renderCross(Matrix4f pose, BufferBuilder builder, Camera camera, Level world, BlockPos pos, int color, CollisionContext collisionContext) {
137 double cameraX = camera.getPosition().x;
138 double cameraY = camera.getPosition().y - .005D;
139 double blockOffset = 0;
140 VoxelShape upperOutlineShape = world.getBlockState(pos).getShape(world, pos, collisionContext);
141 if (!upperOutlineShape.isEmpty()) {
142 blockOffset += upperOutlineShape.max(Direction.Axis.Y);
144 double cameraZ = camera.getPosition().z;
146 int red = (color >> 16) & 255;
147 int green = (color >> 8) & 255;
148 int blue = color & 255;
149 double x = pos.getX() - cameraX;
150 double y = pos.getY() - cameraY + blockOffset;
151 double z = pos.getZ() - cameraZ;
152 builder.vertex(pose, (float)(x + .01D), (float)y, (float)(z + .01D)).color(red, green, blue, 255).endVertex();
153 builder.vertex(pose, (float)(x + .99D), (float)y, (float)(z + .99D)).color(red, green, blue, 255).endVertex();
154 builder.vertex(pose, (float)(x + .99D), (float)y, (float)(z + .01D)).color(red, green, blue, 255).endVertex();
155 builder.vertex(pose, (float)(x + .01D), (float)y, (float)(z + .99D)).color(red, green, blue, 255).endVertex();
158 public boolean isFrustumVisible(double minX, double minY, double minZ, double maxX, double maxY, double maxZ) {
159 return frustum.isVisible(new AABB(minX, minY, minZ, maxX, maxY, maxZ));