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I have been working on a complex block for a mod I'm working on. This block is really unfinished right now, but there is this strange bug that is hindering progress. Basically, this block has a single slot where you put a specific item, then there are three "buttons" on the right like the Enchantment Table. Later on these buttons will have a special purpose so don't worry about them, but right now these buttons just increment a new property on the player as long as they have xp levels. The bug is that whenever you click on one of the three buttons, the items you put in are supposed to decrement, but when you take them out or you reopen the block's gui, the item stack mysteriously "resets", meaning that all the items that were consumed are present again. Here is the Block Entity class (do realize that I am developing this mod in IntelliJ IDEA 2024.1.4 Community Edition): package everyblu.ars_mythos.common.block.tiles; import com.github.alexthe666.iceandfire.item.IafItemRegistry; import everyblu.ars_mythos.client.menus.ArcaneScholarsAnalysisMenu; import everyblu.ars_mythos.common.block.ArcaneScholarsBlock; import everyblu.ars_mythos.common.block.ArsMythosBlockStateProperties; import everyblu.ars_mythos.common.registry.ArsMythosObjectRegistry; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.core.NonNullList; import net.minecraft.nbt.CompoundTag; import net.minecraft.network.chat.Component; import net.minecraft.world.*; import net.minecraft.world.entity.player.Inventory; import net.minecraft.world.entity.player.Player; import net.minecraft.world.inventory.AbstractContainerMenu; import net.minecraft.world.item.ItemStack; import net.minecraft.world.level.block.entity.BlockEntity; import net.minecraft.world.level.block.state.BlockState; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import software.bernie.geckolib.animatable.GeoBlockEntity; import software.bernie.geckolib.core.animatable.instance.AnimatableInstanceCache; import software.bernie.geckolib.core.animation.AnimatableManager; import software.bernie.geckolib.core.animation.AnimationController; import software.bernie.geckolib.core.object.PlayState; import software.bernie.geckolib.util.GeckoLibUtil; public class ArcaneScholarsTile extends BlockEntity implements GeoBlockEntity, WorldlyContainer, MenuProvider { public final String variant; private final NonNullList<ItemStack> items = NonNullList.withSize(1, ItemStack.EMPTY); public ArcaneScholarsTile(BlockPos pPos, BlockState pBlockState) { super(ArsMythosObjectRegistry.NEW_ARCANE_SCHOLARS_TILE.get(), pPos, pBlockState); this.variant = switch (pBlockState.getValue(ArsMythosBlockStateProperties.ARCANE_SCHOLARS_VARIANT)) { case 1 -> "fire"; case 2 -> "ice"; default -> "lightning"; }; } @Override public void load(@NotNull CompoundTag tag) { super.load(tag); ContainerHelper.loadAllItems(tag, this.items); System.out.println("loaded"); } @Override protected void saveAdditional(@NotNull CompoundTag tag) { if (this.level == null) return; ContainerHelper.saveAllItems(tag, this.items); super.saveAdditional(tag); } private ArcaneScholarsTile getFootPart() { if (this.level == null) return this; BlockEntity nextEntity = this.level.getBlockEntity( this.getBlockPos().relative(this.getBlockState().getValue(ArcaneScholarsBlock.FACING))); if (nextEntity instanceof ArcaneScholarsTile arcaneScholarsTile) return arcaneScholarsTile; return this; } AnimationController<ArcaneScholarsTile> controller; AnimatableInstanceCache factory = GeckoLibUtil.createInstanceCache(this); @Override public void registerControllers(AnimatableManager.ControllerRegistrar controllerRegistrar) { this.controller = new AnimationController<>(this, "controller", 1, (state) -> PlayState.CONTINUE); controllerRegistrar.add(this.controller); } @Override public AnimatableInstanceCache getAnimatableInstanceCache() { return this.factory; } @Override public @NotNull Component getDisplayName() { return Component.literal("Arcane Scholar's Table"); } @Nullable @Override public AbstractContainerMenu createMenu(int pContainerId, @NotNull Inventory pPlayerInventory, @NotNull Player pPlayer) { BlockEntity entity = this.getFootPart(); return new ArcaneScholarsAnalysisMenu(pContainerId, pPlayerInventory, entity); } @Override public int @NotNull [] getSlotsForFace(@NotNull Direction pSide) { return new int[0]; } @Override public boolean canPlaceItemThroughFace(int pIndex, @NotNull ItemStack pItemStack, @Nullable Direction pDirection) { return pDirection == Direction.UP && pItemStack.is(IafItemRegistry.MANUSCRIPT.get()); } @Override public boolean canTakeItemThroughFace(int pIndex, @NotNull ItemStack pStack, @NotNull Direction pDirection) { return false; } @Override public int getContainerSize() { return 1; } @Override public boolean isEmpty() { return this.items.get(0).isEmpty(); } @Override public @NotNull ItemStack getItem(int pSlot) { return this.items.get(0); } @Override public @NotNull ItemStack removeItem(int pSlot, int pAmount) { ItemStack stack = ContainerHelper.removeItem(this.items, pSlot, pAmount); System.out.println(this.items.get(0).getCount()); return stack; } @Override public @NotNull ItemStack removeItemNoUpdate(int pSlot) { return ContainerHelper.takeItem(this.items, pSlot); } @Override public void setItem(int pSlot, @NotNull ItemStack pStack) { this.items.set(pSlot, pStack); if (pStack.getCount() > this.getMaxStackSize()) { pStack.setCount(this.getMaxStackSize()); } if (!pStack.isEmpty()) this.setChanged(); } @Override public boolean stillValid(@NotNull Player pPlayer) { return Container.stillValidBlockEntity(this, pPlayer); } @Override public void clearContent() { this.items.clear(); } } Here is the AbstractContainerMenu: package everyblu.ars_mythos.client.menus; import everyblu.ars_mythos.client.ArsMythosClientRegistry; import everyblu.ars_mythos.common.block.tiles.ArcaneScholarsTile; import everyblu.ars_mythos.common.capabilities.ArcaneResearchDataProvider; import everyblu.ars_mythos.common.helper.ContainerUtils; import everyblu.ars_mythos.common.registry.ArsMythosObjectRegistry; import net.minecraft.network.FriendlyByteBuf; import net.minecraft.sounds.SoundEvents; import net.minecraft.world.entity.player.Inventory; import net.minecraft.world.entity.player.Player; import net.minecraft.world.inventory.AbstractContainerMenu; import net.minecraft.world.inventory.ContainerLevelAccess; import net.minecraft.world.inventory.Slot; import net.minecraft.world.item.ItemStack; import net.minecraft.world.level.block.entity.BlockEntity; import org.jetbrains.annotations.NotNull; public class ArcaneScholarsAnalysisMenu extends AbstractContainerMenu { private final ArcaneScholarsTile tile; public ArcaneScholarsAnalysisMenu(int index, Inventory playerInventory, FriendlyByteBuf data) { this(index, playerInventory, playerInventory.player.level().getBlockEntity(data.readBlockPos())); } public ArcaneScholarsAnalysisMenu(int index, Inventory playerInventory, BlockEntity entity) { super(ArsMythosClientRegistry.AS_ANALYSIS.get(), index); this.tile = ((ArcaneScholarsTile) entity); ContainerUtils.addPlayerInventoryTo(this, playerInventory); ContainerUtils.addPlayerHotBarTo(this, playerInventory); this.addSlot(new Slot(this.tile, 0, 15, 47)); } @Override public boolean clickMenuButton(@NotNull Player player, int pId) { if (this.tile.isEmpty()) return false; if (player.experienceLevel < 1) return false; player.getCapability(ArcaneResearchDataProvider.RESEARCH_DATA_KEY).ifPresent(research -> research.addOrSubResearch(research.getFireResearch(), 1, 0, 0, true)); player.playSound(SoundEvents.VILLAGER_WORK_CARTOGRAPHER); if (!player.getAbilities().instabuild) { this.tile.removeItem(0, 1); player.experienceLevel--; } return super.clickMenuButton(player, pId); } @Override public @NotNull ItemStack quickMoveStack(@NotNull Player pPlayer, int pIndex) { return ContainerUtils.quickMoveStack(pPlayer, pIndex, this.slots, this, (data) -> this.moveItemStackTo(data.getLeft(), data.getMiddle(), data.getRight(), false), 1); } @Override public boolean stillValid(@NotNull Player pPlayer) { return stillValid( ContainerLevelAccess.create(pPlayer.level(), this.tile.getBlockPos()), pPlayer, ArsMythosObjectRegistry.ARCANE_SCHOLARS_TABLE_FIRE.get()); } public boolean manuscriptsEmpty() { return this.tile.isEmpty(); } } And finally, here is the AbstractContainerScreen (if needed): package everyblu.ars_mythos.client.screens; import com.mojang.blaze3d.systems.RenderSystem; import everyblu.ars_mythos.ArsMythos; import everyblu.ars_mythos.client.menus.ArcaneScholarsAnalysisMenu; import everyblu.ars_mythos.common.capabilities.ArcaneResearchDataProvider; import net.minecraft.client.gui.GuiGraphics; import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen; import net.minecraft.client.renderer.GameRenderer; import net.minecraft.network.chat.Component; import net.minecraft.resources.ResourceLocation; import net.minecraft.world.entity.player.Inventory; import org.jetbrains.annotations.NotNull; public class ArcaneScholarsAnalysisScreen extends AbstractContainerScreen<ArcaneScholarsAnalysisMenu> { public static final ResourceLocation GUI_TEXTURE = ArsMythos.prefix("textures/gui/arcane_scholars_table_analysis.png"); public ArcaneScholarsAnalysisScreen(ArcaneScholarsAnalysisMenu pMenu, Inventory pPlayerInventory, Component pTitle) { super(pMenu, pPlayerInventory, pTitle); } @Override @SuppressWarnings("all") public boolean mouseClicked(double pMouseX, double pMouseY, int pButton) { int x = (this.width - this.imageWidth) / 2; int y = (this.height - this.imageHeight) / 2; for(int k = 0; k < 3; ++k) { double d0 = pMouseX - (double)(x + 60); double d1 = pMouseY - (double)(y + 14 + 19 * k); if (d0 >= 0.0D && d1 >= 0.0D && d0 < 108.0D && d1 < 19.0D && this.menu.clickMenuButton(this.minecraft.player, k)) { this.minecraft.gameMode.handleInventoryButtonClick((this.menu).containerId, k); return true; } } return super.mouseClicked(pMouseX, pMouseY, pButton); } @Override @SuppressWarnings("all") protected void renderBg(@NotNull GuiGraphics guiGraphics, float pPartialTick, int pMouseX, int pMouseY) { RenderSystem.setShader(GameRenderer::getPositionTexShader); RenderSystem.setShaderColor(1.0F, 1.0F, 1.0F, 1.0F); RenderSystem.setShaderTexture(0, GUI_TEXTURE); int x = (this.width - this.imageWidth) / 2; int y = (this.height - this.imageHeight) / 2; guiGraphics.blit(GUI_TEXTURE, x, y, 0, 0, this.imageWidth, this.imageHeight); this.minecraft.player.getCapability(ArcaneResearchDataProvider.RESEARCH_DATA_KEY).ifPresent(research -> guiGraphics.drawString( this.minecraft.font, research.getFireResearch().getLeft().toString(), x + 160, y + 4, 255)); guiGraphics.drawString(this.minecraft.font, String.valueOf(this.minecraft.player.experienceLevel), x + 61, y + 74, 255); for (int k = 0; k < 3; ++k) { if (this.menu.manuscriptsEmpty() || this.minecraft.player.experienceLevel < 1) { guiGraphics.blit(GUI_TEXTURE, x + 60, y + 14 + (19 * k), 0, 185, 108, 19); continue; } guiGraphics.blit(GUI_TEXTURE, x + 60, y + 14 + (19 * k), 0, 166, 108, 19); double d0 = pMouseX - (double)(x + 60); double d1 = pMouseY - (double)(y + 14 + 19 * k); if (d0 >= 0.0D && d1 >= 0.0D && d0 < 108.0D && d1 < 19.0D) { guiGraphics.blit(GUI_TEXTURE, x + 60, y + 14 + (19 * k), 0, 204, 108, 19); } } } @Override public void render(@NotNull GuiGraphics guiGraphics, int mouseX, int mouseY, float delta) { renderBackground(guiGraphics); super.render(guiGraphics, mouseX, mouseY, delta); renderTooltip(guiGraphics, mouseX, mouseY); } } Any help is appreciated. -
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I have this raport to lounch the game The game crashed whilst rendering screen Error: java.lang.NullPointerException: Cannot invoke "net.minecraft.client.gui.components.Button.m_252907_()" because "this.serverBrowser$grabbedMultiplayerButton" is null Kod zakończenia: -1 And full message: https://ntpd.eu/N3gq6 -
EDIT: I had to declare the library like a mod (using the @Mod annotation and adding the mods.toml + pack.mcmeta files). By doing this it works now Hi everyone I'm trying to create an internal library for all my mods, and inside it I have a method that registers an Item public static RegistryObject<Item> registerItem(final DeferredRegister<Item> registry, final String name, final Supplier<Item> itemSupplier) { return registry.register(name, itemSupplier); } When the method is called from a mod, Forge raises this error Exception message: java.lang.LinkageError: loader constraint violation: loader 'SECURE-BOOTSTRAP' @6bedbc4d wants to load class net.minecraftforge.registries.DeferredRegister. A different class with the same name was previously loaded by 'TRANSFORMER' @6d672bd4. (net.minecraftforge.registries.DeferredRegister is in module [email protected] of loader 'TRANSFORMER' @6d672bd4, parent loader 'bootstrap') Both the version of Forge included in the library's build.gradle and the mod's build.gradle are the same. I've never done this, so there's a good chance I'm configuring something wrong. This is the build.gradle file of the library (which is part of a multi-module project) plugins { id 'net.minecraftforge.gradle' version '[6.0.24,6.2)' } repositories { gradlePluginPortal() maven { name = 'MinecraftForge' url = 'https://maven.minecraftforge.net/' } } java.toolchain.languageVersion = JavaLanguageVersion.of(21) minecraft { mappings channel: 'official', version: minecraft_version reobf = false copyIdeResources = true } dependencies { minecraft "net.minecraftforge:forge:${minecraft_version}-${forge_version}" implementation('net.sf.jopt-simple:jopt-simple:5.0.4') { version { strictly '5.0.4' } } } tasks.withType(JavaCompile).configureEach { options.encoding = 'UTF-8' } -
Hello i wanna make a modded server for me and my friends and the game is crashing when i use items that pop-up and UI and we cannot place modded blocks. Here is the video i take so it's more easy for you guys to see. Help please! Thanks
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