Code/net/minecraft/client/gui/screens/CreateFlatWorldScreen.java

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Java
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2025-07-01 06:20:03 +00:00
package net.minecraft.client.gui.screens;
import java.util.List;
import java.util.function.Consumer;
import javax.annotation.Nullable;
import net.minecraft.ChatFormatting;
import net.minecraft.client.gui.GuiGraphics;
import net.minecraft.client.gui.components.Button;
import net.minecraft.client.gui.components.ObjectSelectionList;
import net.minecraft.client.gui.layouts.HeaderAndFooterLayout;
import net.minecraft.client.gui.layouts.LinearLayout;
import net.minecraft.client.gui.screens.worldselection.CreateWorldScreen;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.network.chat.CommonComponents;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.levelgen.flat.FlatLayerInfo;
import net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
@OnlyIn(Dist.CLIENT)
public class CreateFlatWorldScreen extends Screen {
private static final Component TITLE = Component.translatable("createWorld.customize.flat.title");
static final ResourceLocation SLOT_SPRITE = ResourceLocation.withDefaultNamespace("container/slot");
private static final int SLOT_BG_SIZE = 18;
private static final int SLOT_STAT_HEIGHT = 20;
private static final int SLOT_BG_X = 1;
private static final int SLOT_BG_Y = 1;
private static final int SLOT_FG_X = 2;
private static final int SLOT_FG_Y = 2;
private final HeaderAndFooterLayout layout = new HeaderAndFooterLayout(this, 33, 64);
protected final CreateWorldScreen parent;
private final Consumer<FlatLevelGeneratorSettings> applySettings;
FlatLevelGeneratorSettings generator;
@Nullable
private CreateFlatWorldScreen.DetailsList list;
@Nullable
private Button deleteLayerButton;
public CreateFlatWorldScreen(CreateWorldScreen p_95822_, Consumer<FlatLevelGeneratorSettings> p_95823_, FlatLevelGeneratorSettings p_95824_) {
super(TITLE);
this.parent = p_95822_;
this.applySettings = p_95823_;
this.generator = p_95824_;
}
public FlatLevelGeneratorSettings settings() {
return this.generator;
}
public void setConfig(FlatLevelGeneratorSettings p_95826_) {
this.generator = p_95826_;
if (this.list != null) {
this.list.resetRows();
this.updateButtonValidity();
}
}
@Override
protected void init() {
this.layout.addTitleHeader(this.title, this.font);
this.list = this.layout.addToContents(new CreateFlatWorldScreen.DetailsList());
LinearLayout linearlayout = this.layout.addToFooter(LinearLayout.vertical().spacing(4));
linearlayout.defaultCellSetting().alignVerticallyMiddle();
LinearLayout linearlayout1 = linearlayout.addChild(LinearLayout.horizontal().spacing(8));
LinearLayout linearlayout2 = linearlayout.addChild(LinearLayout.horizontal().spacing(8));
this.deleteLayerButton = linearlayout1.addChild(Button.builder(Component.translatable("createWorld.customize.flat.removeLayer"), p_95845_ -> {
if (this.hasValidSelection()) {
List<FlatLayerInfo> list = this.generator.getLayersInfo();
int i = this.list.children().indexOf(this.list.getSelected());
int j = list.size() - i - 1;
list.remove(j);
this.list.setSelected(list.isEmpty() ? null : this.list.children().get(Math.min(i, list.size() - 1)));
this.generator.updateLayers();
this.list.resetRows();
this.updateButtonValidity();
}
}).build());
linearlayout1.addChild(Button.builder(Component.translatable("createWorld.customize.presets"), p_280790_ -> {
this.minecraft.setScreen(new PresetFlatWorldScreen(this));
this.generator.updateLayers();
this.updateButtonValidity();
}).build());
linearlayout2.addChild(Button.builder(CommonComponents.GUI_DONE, p_374574_ -> {
this.applySettings.accept(this.generator);
this.onClose();
this.generator.updateLayers();
}).build());
linearlayout2.addChild(Button.builder(CommonComponents.GUI_CANCEL, p_374573_ -> {
this.onClose();
this.generator.updateLayers();
}).build());
this.generator.updateLayers();
this.updateButtonValidity();
this.layout.visitWidgets(this::addRenderableWidget);
this.repositionElements();
}
@Override
protected void repositionElements() {
if (this.list != null) {
this.list.updateSize(this.width, this.layout);
}
this.layout.arrangeElements();
}
void updateButtonValidity() {
if (this.deleteLayerButton != null) {
this.deleteLayerButton.active = this.hasValidSelection();
}
}
private boolean hasValidSelection() {
return this.list != null && this.list.getSelected() != null;
}
@Override
public void onClose() {
this.minecraft.setScreen(this.parent);
}
@OnlyIn(Dist.CLIENT)
class DetailsList extends ObjectSelectionList<CreateFlatWorldScreen.DetailsList.Entry> {
private static final Component LAYER_MATERIAL_TITLE = Component.translatable("createWorld.customize.flat.tile").withStyle(ChatFormatting.UNDERLINE);
private static final Component HEIGHT_TITLE = Component.translatable("createWorld.customize.flat.height").withStyle(ChatFormatting.UNDERLINE);
public DetailsList() {
super(CreateFlatWorldScreen.this.minecraft, CreateFlatWorldScreen.this.width, CreateFlatWorldScreen.this.height - 103, 43, 24, (int)(9.0 * 1.5));
for (int i = 0; i < CreateFlatWorldScreen.this.generator.getLayersInfo().size(); i++) {
this.addEntry(new CreateFlatWorldScreen.DetailsList.Entry());
}
}
public void setSelected(@Nullable CreateFlatWorldScreen.DetailsList.Entry p_95855_) {
super.setSelected(p_95855_);
CreateFlatWorldScreen.this.updateButtonValidity();
}
public void resetRows() {
int i = this.children().indexOf(this.getSelected());
this.clearEntries();
for (int j = 0; j < CreateFlatWorldScreen.this.generator.getLayersInfo().size(); j++) {
this.addEntry(new CreateFlatWorldScreen.DetailsList.Entry());
}
List<CreateFlatWorldScreen.DetailsList.Entry> list = this.children();
if (i >= 0 && i < list.size()) {
this.setSelected(list.get(i));
}
}
@Override
protected void renderHeader(GuiGraphics p_378163_, int p_377446_, int p_378143_) {
p_378163_.drawString(CreateFlatWorldScreen.this.font, LAYER_MATERIAL_TITLE, p_377446_, p_378143_, -1);
p_378163_.drawString(
CreateFlatWorldScreen.this.font,
HEIGHT_TITLE,
p_377446_ + this.getRowWidth() - CreateFlatWorldScreen.this.font.width(HEIGHT_TITLE) - 8,
p_378143_,
-1
);
}
@OnlyIn(Dist.CLIENT)
class Entry extends ObjectSelectionList.Entry<CreateFlatWorldScreen.DetailsList.Entry> {
@Override
public void render(
GuiGraphics p_281319_,
int p_281943_,
int p_283629_,
int p_283315_,
int p_282974_,
int p_281870_,
int p_283341_,
int p_281639_,
boolean p_282715_,
float p_281937_
) {
FlatLayerInfo flatlayerinfo = CreateFlatWorldScreen.this.generator
.getLayersInfo()
.get(CreateFlatWorldScreen.this.generator.getLayersInfo().size() - p_281943_ - 1);
BlockState blockstate = flatlayerinfo.getBlockState();
ItemStack itemstack = this.getDisplayItem(blockstate);
this.blitSlot(p_281319_, p_283315_, p_283629_, itemstack);
int i = p_283629_ + p_281870_ / 2 - 9 / 2;
p_281319_.drawString(CreateFlatWorldScreen.this.font, itemstack.getHoverName(), p_283315_ + 18 + 5, i, -1);
Component component;
if (p_281943_ == 0) {
component = Component.translatable("createWorld.customize.flat.layer.top", flatlayerinfo.getHeight());
} else if (p_281943_ == CreateFlatWorldScreen.this.generator.getLayersInfo().size() - 1) {
component = Component.translatable("createWorld.customize.flat.layer.bottom", flatlayerinfo.getHeight());
} else {
component = Component.translatable("createWorld.customize.flat.layer", flatlayerinfo.getHeight());
}
p_281319_.drawString(
CreateFlatWorldScreen.this.font, component, p_283315_ + p_282974_ - CreateFlatWorldScreen.this.font.width(component) - 8, i, -1
);
}
private ItemStack getDisplayItem(BlockState p_169294_) {
Item item = p_169294_.getBlock().asItem();
if (item == Items.AIR) {
if (p_169294_.is(Blocks.WATER)) {
item = Items.WATER_BUCKET;
} else if (p_169294_.is(Blocks.LAVA)) {
item = Items.LAVA_BUCKET;
}
}
return new ItemStack(item);
}
@Override
public Component getNarration() {
FlatLayerInfo flatlayerinfo = CreateFlatWorldScreen.this.generator
.getLayersInfo()
.get(CreateFlatWorldScreen.this.generator.getLayersInfo().size() - DetailsList.this.children().indexOf(this) - 1);
ItemStack itemstack = this.getDisplayItem(flatlayerinfo.getBlockState());
return (Component)(!itemstack.isEmpty() ? Component.translatable("narrator.select", itemstack.getHoverName()) : CommonComponents.EMPTY);
}
@Override
public boolean mouseClicked(double p_95868_, double p_95869_, int p_95870_) {
DetailsList.this.setSelected(this);
return super.mouseClicked(p_95868_, p_95869_, p_95870_);
}
private void blitSlot(GuiGraphics p_281733_, int p_282373_, int p_282844_, ItemStack p_281263_) {
this.blitSlotBg(p_281733_, p_282373_ + 1, p_282844_ + 1);
if (!p_281263_.isEmpty()) {
p_281733_.renderFakeItem(p_281263_, p_282373_ + 2, p_282844_ + 2);
}
}
private void blitSlotBg(GuiGraphics p_282271_, int p_281324_, int p_283171_) {
p_282271_.blitSprite(RenderType::guiTextured, CreateFlatWorldScreen.SLOT_SPRITE, p_281324_, p_283171_, 18, 18);
}
}
}
}