package com.whoareyou.durhud; import net.minecraft.client.MinecraftClient; import net.minecraft.client.font.TextRenderer; import net.minecraft.client.gui.DrawableHelper; import net.minecraft.client.sound.PositionedSoundInstance; import net.minecraft.sound.SoundEvents; import net.minecraft.entity.EquipmentSlot; import net.minecraft.item.ItemStack; import net.fabricmc.api.EnvType; import net.fabricmc.api.Environment; import net.fabricmc.fabric.api.client.rendering.v1.HudRenderCallback; import java.util.HashMap; import java.util.Map; @Environment(EnvType.CLIENT) public class HudRenderer implements HudRenderCallback { private final MinecraftClient client = MinecraftClient.getInstance(); private final Map lastPercent = new HashMap<>(); private final Map alerted = new HashMap<>(); @Override public void onHudRender(float tickDelta) { if (client.player == null) return; ModConfig cfg = ModConfig.get(); boolean anyVisible = false; // collect items ItemStack main = client.player.getMainHandStack(); ItemStack off = client.player.getOffHandStack(); ItemStack head = client.player.getEquippedStack(EquipmentSlot.HEAD); ItemStack chest = client.player.getEquippedStack(EquipmentSlot.CHEST); ItemStack legs = client.player.getEquippedStack(EquipmentSlot.LEGS); ItemStack boots = client.player.getEquippedStack(EquipmentSlot.FEET); // compute durability for relevant items Map slots = new HashMap<>(); if (cfg.enableToolHud) { slots.put("main", main); slots.put("off", off); } if (cfg.enableArmorHud) { slots.put("head", head); slots.put("chest", chest); slots.put("legs", legs); slots.put("boots", boots); } // determine if all full -> auto-hide boolean allFull = true; for (Map.Entry e : slots.entrySet()) { double frac = DurabilityUtils.getDurabilityFraction(e.getValue()); if (frac >= 0 && frac < 1.0) { allFull = false; break; } } if (allFull) return; // layout int screenWidth = client.getWindow().getScaledWidth(); int screenHeight = client.getWindow().getScaledHeight(); float scale = Math.max(0.5f, Math.min(2.0f, cfg.hudScale)); int barW = (int) (60 * scale); int barH = (int) (6 * scale); int padding = (int) (4 * scale); int startX = 0; int startY = 0; switch (cfg.hudPosition) { case ABOVE_HOTBAR: startX = (screenWidth - barW) / 2; startY = screenHeight - 60 - barH; break; case TOP_LEFT: startX = 10; startY = 10; break; case BOTTOM_RIGHT: startX = screenWidth - barW - 10; startY = screenHeight - 80; break; } int y = startY; TextRenderer text = client.textRenderer; for (Map.Entry e : slots.entrySet()) { String key = e.getKey(); ItemStack stack = e.getValue(); double frac = DurabilityUtils.getDurabilityFraction(stack); if (frac < 0) continue; // skip items without durability anyVisible = true; int percent = (int) Math.round(frac * 100.0); // color int color; if (percent > 50) color = 0xFF4CAF50; // green else if (percent > 25) color = 0xFFFFC107; // yellow else color = 0xFFF44336; // red int x = startX; // background DrawableHelper.fill(x, y, x + barW, y + barH, 0x55000000); // foreground based on fraction int fillW = (int) (barW * frac); DrawableHelper.fill(x, y, x + fillW, y + barH, color); // border DrawableHelper.fill(x, y, x + 1, y + barH, 0xFF000000); DrawableHelper.fill(x + barW - 1, y, x + barW, y + barH, 0xFF000000); // optional text String label = key; if (cfg.showNumbers) { int cur = DurabilityUtils.getCurrentDurability(stack); int max = DurabilityUtils.getMaxDurability(stack); label = label + " " + cur + "/" + max; } else if (cfg.showPercent) { label = label + " " + percent + "%"; } text.drawWithShadow(label, x + barW + padding, y, 0xFFFFFFFF); // warning system if (percent <= cfg.warningThreshold) { Boolean wasAlerted = alerted.getOrDefault(key, false); if (!wasAlerted && cfg.soundAlert) { client.getSoundManager().play(PositionedSoundInstance.master(SoundEvents.BLOCK_NOTE_BLOCK_BELL, 1.0f)); alerted.put(key, true); } if (cfg.flashScreen) { // simple flash: draw translucent red overlay (low cost) DrawableHelper.fill(0, 0, screenWidth, screenHeight, 0x11000000); } } else { alerted.put(key, false); } // maintain cache Integer prev = lastPercent.get(key); if (prev == null || prev != percent) { lastPercent.put(key, percent); } y += barH + padding; } if (!anyVisible) { // nothing to draw } } }