SanityHUDOverlay.java

package net.mastermank.corridorsbackrooms.client;

import com.mojang.blaze3d.systems.RenderSystem;
import com.mojang.blaze3d.vertex.PoseStack;
import net.mastermank.corridorsbackrooms.CorridorsBackrooms;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiComponent;
import net.minecraft.client.renderer.GameRenderer;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.util.Mth;
import net.minecraft.world.level.Level;
import net.minecraftforge.client.gui.overlay.IGuiOverlay;

import java.util.Random;

public class SanityHUDOverlay {
    private static final ResourceLocation SANITY_FULL = new ResourceLocation(CorridorsBackrooms.MOD_ID,
            "textures/sanity/sanity_full.png");
    private static final ResourceLocation SANITY_EMPTY = new ResourceLocation(CorridorsBackrooms.MOD_ID,
            "textures/sanity/sanity_empty.png");

    public static final IGuiOverlay SanityHUD = (((gui, poseStack, partialTick, width, height) -> {
        int x = width / 2;
        int y = height;

        RenderSystem.setShader(GameRenderer::getPositionTexShader);
        RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F);
        RenderSystem.setShaderTexture(0, SANITY_EMPTY);
        for (int i = 0; i < 9; i++) {
            GuiComponent.blit(poseStack, x - -9 + (i * 9), y - 49, 0, 0, 9, 9,
                    9, 9);
        }

        RenderSystem.setShaderTexture(0, SANITY_FULL);
        for (int i = 0; i < 9; i++) {
            if (ClientSanity.getPlayerSanity() > i) {
                GuiComponent.blit(poseStack, x - -9 + (i * 9), y - 49, 0, 0, 9, 9,
                        9, 9);
            } else {
                break;
            }
        }
    }));
    public static int tickCount = 0;
        private static void renderSanity(PoseStack poseStack) {
            Minecraft minecraft = Minecraft.getInstance();

            int playerSanity = ClientSanity.getPlayerSanity();

            int screenWidth = minecraft.getWindow().getGuiScaledWidth();
            int screenHeight = minecraft.getWindow().getGuiScaledHeight();

            if (minecraft.player == null) return;
            int renderX = (screenWidth / 2 )- 94;
            int j1 = screenWidth / 2 + 91;
            int renderY = screenHeight - 54;
            int sanityRemaining = Mth.ceil(playerSanity);

            Random random = new Random();
            random.setSeed(tickCount * 312871L);

            int i2 = Mth.ceil((sanityRemaining) / 2.0F / 9.0F);
            int p_168693_ = Math.max(9 - (i2 - 2), 3);

            int j = Mth.ceil((double)sanityRemaining);

            for(int i1 = 0; i1 <= j - 1; ++i1) {
                int j3 = i1 / 9;
                int k1 = i1 % 9;
                int l1 = renderX + k1 * 8;
                int y = renderY - j3 * p_168693_;
                if (sanityRemaining <= 4) {
                    if (minecraft.player.level.dimension() == Level.NETHER) {
                        y += random.nextInt(4);
                    } else {
                        y += random.nextInt(2);
                    }
                }
                RenderSystem.setShaderTexture(0, SANITY_FULL);
                GuiComponent.blit(poseStack,renderX + ((i1) * 9),y,0,0,12,12,
                        12,12);
            }
            RenderSystem.setShaderTexture(0, SANITY_EMPTY);
            for(int i1 = ClientSanity.getPlayerSanity(); i1 < 9; i1++) {
                int j3 = i1 / 9;
                int k1 = i1 % 9;
                int l1 = renderX + k1 * 8;
                int y = renderY - j3 * p_168693_;
                if (sanityRemaining <= 4) {
                    if (minecraft.player.level.dimension() == Level.NETHER) {
                        y += random.nextInt(4);
                    } else {
                        y += random.nextInt(2);
                    }
                }
                RenderSystem.setShaderTexture(0, SANITY_EMPTY);

                GuiComponent.blit(poseStack,renderX + ((i1) * 9), y,0,0,12,12,
                        12,12);
            }
        }
    }