Initial commit

src/main/java/ru/nevetime/cheat/module/render/ESP.java

@@ -0,0 +1,100 @@
+package ru.nevetime.cheat.module.render;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderContext;
+import net.minecraft.client.render.*;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.util.math.Box;
+import net.minecraft.util.math.Vec3d;
+import org.joml.Matrix4f;
+import ru.nevetime.cheat.module.Module;
+
+public class ESP extends Module {
+	public ESP() {
+		super("ESP", Category.RENDER);
+	}
+
+	@Override
+	public void onRender(WorldRenderContext context) {
+		if (mc.player == null || mc.world == null) return;
+
+		MatrixStack matrices = context.matrixStack();
+		matrices.push();
+
+		Vec3d camera = context.camera().getPos();
+		matrices.translate(-camera.x, -camera.y, -camera.z);
+
+		RenderSystem.enableBlend();
+		RenderSystem.defaultBlendFunc();
+		RenderSystem.disableDepthTest();
+		RenderSystem.setShader(GameRenderer::getPositionColorProgram);
+
+		Tessellator tessellator = Tessellator.getInstance();
+		BufferBuilder buffer = tessellator.begin(VertexFormat.DrawMode.DEBUG_LINES, VertexFormats.POSITION_COLOR);
+
+		for (Entity entity : mc.world.getEntities()) {
+			if (entity == mc.player) continue;
+			if (!(entity instanceof PlayerEntity)) continue;
+			if (!entity.isAlive()) continue;
+
+			Box box = entity.getBoundingBox();
+			drawBox(matrices, buffer, box, 1.0f, 0.0f, 0.0f, 1.0f);
+		}
+
+		BufferRenderer.drawWithGlobalProgram(buffer.end());
+
+		RenderSystem.enableDepthTest();
+		RenderSystem.disableBlend();
+
+		matrices.pop();
+	}
+
+	private void drawBox(MatrixStack matrices, BufferBuilder buffer, Box box, float r, float g, float b, float a) {
+		Matrix4f matrix = matrices.peek().getPositionMatrix();
+
+		float minX = (float) box.minX;
+		float minY = (float) box.minY;
+		float minZ = (float) box.minZ;
+		float maxX = (float) box.maxX;
+		float maxY = (float) box.maxY;
+		float maxZ = (float) box.maxZ;
+
+		buffer.vertex(matrix, minX, minY, minZ).color(r, g, b, a);
+		buffer.vertex(matrix, maxX, minY, minZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, maxX, minY, minZ).color(r, g, b, a);
+		buffer.vertex(matrix, maxX, minY, maxZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, maxX, minY, maxZ).color(r, g, b, a);
+		buffer.vertex(matrix, minX, minY, maxZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, minX, minY, maxZ).color(r, g, b, a);
+		buffer.vertex(matrix, minX, minY, minZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, minX, maxY, minZ).color(r, g, b, a);
+		buffer.vertex(matrix, maxX, maxY, minZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, maxX, maxY, minZ).color(r, g, b, a);
+		buffer.vertex(matrix, maxX, maxY, maxZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, maxX, maxY, maxZ).color(r, g, b, a);
+		buffer.vertex(matrix, minX, maxY, maxZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, minX, maxY, maxZ).color(r, g, b, a);
+		buffer.vertex(matrix, minX, maxY, minZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, minX, minY, minZ).color(r, g, b, a);
+		buffer.vertex(matrix, minX, maxY, minZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, maxX, minY, minZ).color(r, g, b, a);
+		buffer.vertex(matrix, maxX, maxY, minZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, maxX, minY, maxZ).color(r, g, b, a);
+		buffer.vertex(matrix, maxX, maxY, maxZ).color(r, g, b, a);
+
+		buffer.vertex(matrix, minX, minY, maxZ).color(r, g, b, a);
+		buffer.vertex(matrix, minX, maxY, maxZ).color(r, g, b, a);
+	}
+}