superb-warfare/src/main/java/com/atsuishio/superbwarfare/client/overlay/RedTriangleOverlay.java
2025-01-03 22:32:30 +08:00

62 lines
2.3 KiB
Java

package com.atsuishio.superbwarfare.client.overlay;
import com.atsuishio.superbwarfare.ModUtils;
import com.atsuishio.superbwarfare.client.RenderHelper;
import com.atsuishio.superbwarfare.init.ModItems;
import com.atsuishio.superbwarfare.tools.HudUtil;
import com.atsuishio.superbwarfare.tools.SeekTool;
import com.mojang.blaze3d.systems.RenderSystem;
import com.mojang.blaze3d.vertex.PoseStack;
import net.minecraft.client.Camera;
import net.minecraft.client.Minecraft;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.phys.Vec3;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.client.event.RenderGuiEvent;
import net.minecraftforge.eventbus.api.EventPriority;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.common.Mod;
@Mod.EventBusSubscriber(value = Dist.CLIENT)
public class RedTriangleOverlay {
private static final ResourceLocation TRIANGLE = ModUtils.loc("textures/screens/red_triangle.png");
@SubscribeEvent(priority = EventPriority.NORMAL)
public static void eventHandler(RenderGuiEvent.Pre event) {
Minecraft mc = Minecraft.getInstance();
Camera camera = mc.gameRenderer.getMainCamera();
Vec3 cameraPos = camera.getPosition();
PoseStack poseStack = event.getGuiGraphics().pose();
Player player = mc.player;
if (player == null) return;
ItemStack stack = player.getMainHandItem();
if (!stack.is(ModItems.RPG.get())) return;
Entity idf = SeekTool.seekLivingEntity(player, player.level(), 128, 6);
if (idf == null) return;
double distance = idf.position().distanceTo(cameraPos);
Vec3 p = RenderHelper.worldToScreen(new Vec3(idf.getX(), idf.getEyeY() + 0.5 + 0.07 * distance, idf.getZ()), cameraPos);
if (p == null) return;
poseStack.pushPose();
int x = (int) p.x;
int y = (int) p.y;
HudUtil.blit(poseStack, TRIANGLE, x - 4, y - 4, 0, 0, 8, 8, 8, 8, -65536);
RenderSystem.depthMask(true);
RenderSystem.defaultBlendFunc();
RenderSystem.enableDepthTest();
RenderSystem.disableBlend();
RenderSystem.setShaderColor(1, 1, 1, 1);
poseStack.popPose();
}
}