package com.whisperingshadow.horror; import com.mojang.blaze3d.systems.RenderSystem; import net.minecraft.client.MinecraftClient; import net.minecraft.client.gui.DrawContext; import net.minecraft.client.render.*; import net.minecraft.util.Identifier; import net.minecraft.util.math.MathHelper; import org.joml.Matrix4f; import java.util.Random; public class HerobrineMenuEffect { private static final Random RANDOM = new Random(); private static final Identifier HEROBRINE_TEXTURE = Identifier.of("nulljar", "textures/gui/herobrine.png"); private static long menuOpenTime = 0; private static boolean isVisible = false; private static float opacity = 0.0f; private static int posX = 0; private static int posY = 0; private static int fadeDirection = 0; private static int visibilityTimer = 0; private static int nextAppearanceTime = 0; private static float glitchIntensity = 0.0f; private static int glitchTimer = 0; private static float screenDistortion = 0.0f; private static boolean staticNoise = false; private static int staticTimer = 0; private static float eyeTrackingX = 0.0f; private static float eyeTrackingY = 0.0f; private static boolean isStaring = false; private static int stareTimer = 0; public static void onMenuOpen() { menuOpenTime = System.currentTimeMillis(); isVisible = false; opacity = 0.0f; visibilityTimer = 0; nextAppearanceTime = 600 + RANDOM.nextInt(1200); glitchIntensity = 0.0f; glitchTimer = 0; screenDistortion = 0.0f; staticNoise = false; staticTimer = 0; isStaring = false; stareTimer = 0; } public static void tick() { visibilityTimer++; if (glitchTimer > 0) { glitchTimer--; glitchIntensity *= 0.9f; } else { glitchIntensity = 0.0f; } if (staticTimer > 0) { staticTimer--; } else { staticNoise = false; } if (screenDistortion > 0.0f) { screenDistortion *= 0.95f; } if (!isVisible && visibilityTimer >= nextAppearanceTime) { if (RANDOM.nextFloat() < getAppearanceChance()) { triggerAppearance(); } else { nextAppearanceTime = visibilityTimer + 300 + RANDOM.nextInt(600); } } if (isVisible) { if (fadeDirection == 1) { opacity += 0.02f; if (opacity >= getMaxOpacity()) { opacity = getMaxOpacity(); fadeDirection = 0; if (RANDOM.nextFloat() < 0.3f) { isStaring = true; stareTimer = 40 + RANDOM.nextInt(80); } } } else if (fadeDirection == -1) { opacity -= 0.015f; if (opacity <= 0.0f) { opacity = 0.0f; isVisible = false; fadeDirection = 0; isStaring = false; nextAppearanceTime = visibilityTimer + 600 + RANDOM.nextInt(1200); } } else { if (isStaring) { stareTimer--; if (stareTimer <= 0) { isStaring = false; fadeDirection = -1; } if (RANDOM.nextFloat() < 0.02f) { triggerGlitch(); } } else if (RANDOM.nextFloat() < 0.005f) { fadeDirection = -1; } } if (RANDOM.nextFloat() < 0.01f) { staticNoise = true; staticTimer = 2 + RANDOM.nextInt(3); } } } private static void triggerGlitch() { glitchIntensity = 0.5f + RANDOM.nextFloat() * 0.5f; glitchTimer = 5 + RANDOM.nextInt(10); screenDistortion = 0.3f + RANDOM.nextFloat() * 0.4f; } private static float getAppearanceChance() { long timeOpen = System.currentTimeMillis() - menuOpenTime; float baseChance = 0.05f; float timeMultiplier = Math.min(timeOpen / 60000.0f, 3.0f); return baseChance * (1.0f + timeMultiplier); } private static float getMaxOpacity() { long timeOpen = System.currentTimeMillis() - menuOpenTime; return Math.min(0.15f + (timeOpen / 120000.0f * 0.35f), 0.5f); } private static void triggerAppearance() { MinecraftClient client = MinecraftClient.getInstance(); int screenWidth = client.getWindow().getScaledWidth(); int screenHeight = client.getWindow().getScaledHeight(); int[] positions = { screenWidth - 100, screenHeight / 4, 50, screenHeight / 3, screenWidth / 2 - 50, screenHeight - 150, screenWidth / 4, screenHeight / 2, screenWidth * 3 / 4, screenHeight / 3, screenWidth / 2 - 32, 50, 20, 20, screenWidth - 80, 30 }; int index = RANDOM.nextInt(positions.length / 2) * 2; posX = positions[index]; posY = positions[index + 1]; isVisible = true; opacity = 0.0f; fadeDirection = 1; if (RANDOM.nextFloat() < 0.2f) { triggerGlitch(); } } public static void render(DrawContext context, float tickDelta) { MinecraftClient client = MinecraftClient.getInstance(); int screenWidth = client.getWindow().getScaledWidth(); int screenHeight = client.getWindow().getScaledHeight(); if (glitchIntensity > 0.0f) { renderGlitchEffect(context, screenWidth, screenHeight); } if (!isVisible || opacity <= 0.0f) return; float flicker = 1.0f; if (RANDOM.nextFloat() < 0.1f) { flicker = 0.3f + RANDOM.nextFloat() * 0.7f; } if (staticNoise && RANDOM.nextFloat() < 0.5f) { flicker *= 0.5f; } float finalOpacity = opacity * flicker; int size = 64; int x = posX; int y = posY; if (glitchIntensity > 0.0f) { x += (int)((RANDOM.nextFloat() - 0.5f) * glitchIntensity * 20); y += (int)((RANDOM.nextFloat() - 0.5f) * glitchIntensity * 20); } RenderSystem.enableBlend(); RenderSystem.defaultBlendFunc(); RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, finalOpacity); context.drawTexture(RenderLayer::getGuiTextured, HEROBRINE_TEXTURE, x, y, 0, 0, size, size, size, size); float eyeGlow = 0.8f + MathHelper.sin((System.currentTimeMillis() % 2000) / 2000.0f * (float)Math.PI * 2) * 0.2f; if (isStaring) { eyeGlow = 1.0f; } RenderSystem.setShaderColor(eyeGlow, eyeGlow * 0.9f, eyeGlow * 0.8f, finalOpacity * 1.8f); int eyeSize = 8; int eyeY = y + 20; int leftEyeX = x + 16; int rightEyeX = x + 40; context.fill(leftEyeX, eyeY, leftEyeX + eyeSize, eyeY + eyeSize, 0xFFFFFFFF); context.fill(rightEyeX, eyeY, rightEyeX + eyeSize, eyeY + eyeSize, 0xFFFFFFFF); if (isStaring) { int glowSize = 12; int glowOffset = -2; RenderSystem.setShaderColor(1.0f, 0.8f, 0.6f, finalOpacity * 0.4f); context.fill(leftEyeX + glowOffset, eyeY + glowOffset, leftEyeX + eyeSize - glowOffset + 4, eyeY + eyeSize - glowOffset + 4, 0xFFFFFF00); context.fill(rightEyeX + glowOffset, eyeY + glowOffset, rightEyeX + eyeSize - glowOffset + 4, eyeY + eyeSize - glowOffset + 4, 0xFFFFFF00); } if (staticNoise) { renderStaticNoise(context, x, y, size, finalOpacity); } RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, 1.0f); RenderSystem.disableBlend(); } private static void renderGlitchEffect(DrawContext context, int screenWidth, int screenHeight) { RenderSystem.enableBlend(); RenderSystem.defaultBlendFunc(); int numGlitchBars = 3 + RANDOM.nextInt(5); for (int i = 0; i < numGlitchBars; i++) { int barY = RANDOM.nextInt(screenHeight); int barHeight = 2 + RANDOM.nextInt(8); int barX = RANDOM.nextInt(screenWidth / 2); int barWidth = 50 + RANDOM.nextInt(200); float alpha = glitchIntensity * 0.3f; int color = RANDOM.nextBoolean() ? 0xFF0000 : 0x00FF00; RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, alpha); context.fill(barX, barY, barX + barWidth, barY + barHeight, color | ((int)(alpha * 255) << 24)); } RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, 1.0f); RenderSystem.disableBlend(); } private static void renderStaticNoise(DrawContext context, int x, int y, int size, float alpha) { RenderSystem.enableBlend(); RenderSystem.defaultBlendFunc(); for (int i = 0; i < 50; i++) { int px = x + RANDOM.nextInt(size); int py = y + RANDOM.nextInt(size); int noiseColor = RANDOM.nextBoolean() ? 0xFFFFFFFF : 0xFF000000; RenderSystem.setShaderColor(1.0f, 1.0f, 1.0f, alpha * 0.5f); context.fill(px, py, px + 1, py + 1, noiseColor); } RenderSystem.disableBlend(); } public static float getScreenDistortion() { return screenDistortion; } }