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/*
* Copyright (C) 2022 NotEnoughUpdates contributors
*
* This file is part of NotEnoughUpdates.
*
* NotEnoughUpdates is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 3 of the License, or (at your option) any later version.
*
* NotEnoughUpdates is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with NotEnoughUpdates. If not, see <https://www.gnu.org/licenses/>.
*/
package io.github.moulberry.notenoughupdates.mbgui;
import io.github.moulberry.notenoughupdates.miscgui.GuiItemRecipe;
import io.github.moulberry.notenoughupdates.util.Utils;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.client.gui.inventory.GuiContainer;
import org.lwjgl.util.vector.Vector2f;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
public class MBGuiGroupFloating extends MBGuiGroup {
private GuiScreen lastScreen = null;
private final HashMap<MBGuiElement, Vector2f> childrenPositionOffset = new HashMap<>();
//Serialized
private final LinkedHashMap<MBGuiElement, MBAnchorPoint> children;
public MBGuiGroupFloating(int width, int height, LinkedHashMap<MBGuiElement, MBAnchorPoint> children) {
this.width = width;
this.height = height;
this.children = children;
recalculate();
}
public Map<MBGuiElement, MBAnchorPoint> getChildrenMap() {
return Collections.unmodifiableMap(children);
}
@Override
public Map<MBGuiElement, Vector2f> getChildrenPosition() {
GuiScreen currentScreen = Minecraft.getMinecraft().currentScreen;
if (currentScreen instanceof GuiContainer || currentScreen instanceof GuiItemRecipe) {
if (lastScreen != currentScreen) {
lastScreen = currentScreen;
ScaledResolution scaledResolution = new ScaledResolution(Minecraft.getMinecraft());
int screenWidth = scaledResolution.getScaledWidth();
int screenHeight = scaledResolution.getScaledHeight();
int xSize = -1;
int ySize = -1;
int guiLeft = -1;
int guiTop = -1;
if (currentScreen instanceof GuiContainer) {
GuiContainer currentContainer = (GuiContainer) currentScreen;
try {
xSize = (int) Utils.getField(GuiContainer.class, currentContainer, "xSize", "field_146999_f");
ySize = (int) Utils.getField(GuiContainer.class, currentContainer, "ySize", "field_147000_g");
guiLeft = (int) Utils.getField(GuiContainer.class, currentContainer, "guiLeft", "field_147003_i");
guiTop = (int) Utils.getField(GuiContainer.class, currentContainer, "guiTop", "field_147009_r");
} catch (Exception ignored) {
}
} else {
xSize = ((GuiItemRecipe) currentScreen).xSize;
ySize = ((GuiItemRecipe) currentScreen).ySize;
guiLeft = ((GuiItemRecipe) currentScreen).guiLeft;
guiTop = ((GuiItemRecipe) currentScreen).guiTop;
}
if (xSize <= 0 && ySize <= 0 && guiLeft <= 0 && guiTop <= 0) {
lastScreen = null;
return Collections.unmodifiableMap(childrenPosition);
}
for (Map.Entry<MBGuiElement, MBAnchorPoint> entry : children.entrySet()) {
MBGuiElement child = entry.getKey();
MBAnchorPoint anchorPoint = entry.getValue();
Vector2f childPos;
if (childrenPosition.containsKey(child)) {
childPos = new Vector2f(childrenPosition.get(child));
} else {
childPos = new Vector2f();
}
if (anchorPoint.inventoryRelative) {
int defGuiLeft = (screenWidth - xSize) / 2;
int defGuiTop = (screenHeight - ySize) / 2;
childPos.x += guiLeft - defGuiLeft + (0.5f - anchorPoint.anchorPoint.x) * xSize;
childPos.y += guiTop - defGuiTop + (0.5f - anchorPoint.anchorPoint.y) * ySize;
}
childrenPositionOffset.put(child, childPos);
}
}
return Collections.unmodifiableMap(childrenPositionOffset);
} else {
return Collections.unmodifiableMap(childrenPosition);
}
}
@Override
public void recalculate() {
lastScreen = null;
for (MBGuiElement child : children.keySet()) {
child.recalculate();
}
for (Map.Entry<MBGuiElement, MBAnchorPoint> entry : children.entrySet()) {
MBGuiElement child = entry.getKey();
MBAnchorPoint anchorPoint = entry.getValue();
float x = anchorPoint.anchorPoint.x * width - anchorPoint.anchorPoint.x * child.getWidth() + anchorPoint.offset.x;
float y =
anchorPoint.anchorPoint.y * height - anchorPoint.anchorPoint.y * child.getHeight() + anchorPoint.offset.y;
if (anchorPoint.inventoryRelative) {
x = width * 0.5f + anchorPoint.offset.x;
y = height * 0.5f + anchorPoint.offset.y;
}
childrenPosition.put(child, new Vector2f(x, y));
}
}
@Override
public Collection<MBGuiElement> getChildren() {
return children.keySet();
}
}
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