minecraft-src/net/minecraft/client/renderer/WorldBorderRenderer.java
2025-07-04 03:15:13 +03:00

121 lines
4.8 KiB
Java

package net.minecraft.client.renderer;
import com.mojang.blaze3d.systems.RenderSystem;
import com.mojang.blaze3d.vertex.BufferBuilder;
import com.mojang.blaze3d.vertex.BufferUploader;
import com.mojang.blaze3d.vertex.DefaultVertexFormat;
import com.mojang.blaze3d.vertex.MeshData;
import com.mojang.blaze3d.vertex.Tesselator;
import com.mojang.blaze3d.vertex.VertexFormat.Mode;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.Util;
import net.minecraft.client.Minecraft;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.util.ARGB;
import net.minecraft.util.Mth;
import net.minecraft.world.level.border.WorldBorder;
import net.minecraft.world.phys.Vec3;
@Environment(EnvType.CLIENT)
public class WorldBorderRenderer {
public static final ResourceLocation FORCEFIELD_LOCATION = ResourceLocation.withDefaultNamespace("textures/misc/forcefield.png");
public void render(WorldBorder worldBorder, Vec3 cameraPosition, double renderDistance, double farPlaneDepth) {
double d = worldBorder.getMinX();
double e = worldBorder.getMaxX();
double f = worldBorder.getMinZ();
double g = worldBorder.getMaxZ();
if (!(cameraPosition.x < e - renderDistance)
|| !(cameraPosition.x > d + renderDistance)
|| !(cameraPosition.z < g - renderDistance)
|| !(cameraPosition.z > f + renderDistance)) {
double h = 1.0 - worldBorder.getDistanceToBorder(cameraPosition.x, cameraPosition.z) / renderDistance;
h = Math.pow(h, 4.0);
h = Mth.clamp(h, 0.0, 1.0);
double i = cameraPosition.x;
double j = cameraPosition.z;
float k = (float)farPlaneDepth;
RenderType renderType = RenderType.worldBorder(Minecraft.useShaderTransparency());
renderType.setupRenderState();
int l = worldBorder.getStatus().getColor();
float m = ARGB.red(l) / 255.0F;
float n = ARGB.green(l) / 255.0F;
float o = ARGB.blue(l) / 255.0F;
RenderSystem.setShaderColor(m, n, o, (float)h);
float p = (float)(Util.getMillis() % 3000L) / 3000.0F;
float q = (float)(-Mth.frac(cameraPosition.y * 0.5));
float r = q + k;
BufferBuilder bufferBuilder = Tesselator.getInstance().begin(Mode.QUADS, DefaultVertexFormat.POSITION_TEX);
double s = Math.max(Mth.floor(j - renderDistance), f);
double t = Math.min(Mth.ceil(j + renderDistance), g);
float u = (Mth.floor(s) & 1) * 0.5F;
if (i > e - renderDistance) {
float v = u;
for (double w = s; w < t; v += 0.5F) {
double x = Math.min(1.0, t - w);
float y = (float)x * 0.5F;
bufferBuilder.addVertex((float)(e - i), -k, (float)(w - j)).setUv(p - v, p + r);
bufferBuilder.addVertex((float)(e - i), -k, (float)(w + x - j)).setUv(p - (y + v), p + r);
bufferBuilder.addVertex((float)(e - i), k, (float)(w + x - j)).setUv(p - (y + v), p + q);
bufferBuilder.addVertex((float)(e - i), k, (float)(w - j)).setUv(p - v, p + q);
w++;
}
}
if (i < d + renderDistance) {
float v = u;
for (double w = s; w < t; v += 0.5F) {
double x = Math.min(1.0, t - w);
float y = (float)x * 0.5F;
bufferBuilder.addVertex((float)(d - i), -k, (float)(w - j)).setUv(p + v, p + r);
bufferBuilder.addVertex((float)(d - i), -k, (float)(w + x - j)).setUv(p + y + v, p + r);
bufferBuilder.addVertex((float)(d - i), k, (float)(w + x - j)).setUv(p + y + v, p + q);
bufferBuilder.addVertex((float)(d - i), k, (float)(w - j)).setUv(p + v, p + q);
w++;
}
}
s = Math.max(Mth.floor(i - renderDistance), d);
t = Math.min(Mth.ceil(i + renderDistance), e);
u = (Mth.floor(s) & 1) * 0.5F;
if (j > g - renderDistance) {
float v = u;
for (double w = s; w < t; v += 0.5F) {
double x = Math.min(1.0, t - w);
float y = (float)x * 0.5F;
bufferBuilder.addVertex((float)(w - i), -k, (float)(g - j)).setUv(p + v, p + r);
bufferBuilder.addVertex((float)(w + x - i), -k, (float)(g - j)).setUv(p + y + v, p + r);
bufferBuilder.addVertex((float)(w + x - i), k, (float)(g - j)).setUv(p + y + v, p + q);
bufferBuilder.addVertex((float)(w - i), k, (float)(g - j)).setUv(p + v, p + q);
w++;
}
}
if (j < f + renderDistance) {
float v = u;
for (double w = s; w < t; v += 0.5F) {
double x = Math.min(1.0, t - w);
float y = (float)x * 0.5F;
bufferBuilder.addVertex((float)(w - i), -k, (float)(f - j)).setUv(p - v, p + r);
bufferBuilder.addVertex((float)(w + x - i), -k, (float)(f - j)).setUv(p - (y + v), p + r);
bufferBuilder.addVertex((float)(w + x - i), k, (float)(f - j)).setUv(p - (y + v), p + q);
bufferBuilder.addVertex((float)(w - i), k, (float)(f - j)).setUv(p - v, p + q);
w++;
}
}
MeshData meshData = bufferBuilder.build();
if (meshData != null) {
BufferUploader.drawWithShader(meshData);
}
renderType.clearRenderState();
RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F);
}
}
}