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/*
* This file is part of OneConfig.
* OneConfig - Next Generation Config Library for Minecraft: Java Edition
* Copyright (C) 2021, 2022 Polyfrost.
* <https://polyfrost.cc> <https://github.com/Polyfrost/>
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* OneConfig is licensed under the terms of version 3 of the GNU Lesser
* General Public License as published by the Free Software Foundation, AND
* under the Additional Terms Applicable to OneConfig, as published by Polyfrost,
* either version 1.0 of the Additional Terms, or (at your option) any later
* version.
*
* This program 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. If not, see <https://www.gnu.org/licenses/>. You should
* have also received a copy of the Additional Terms Applicable
* to OneConfig, as published by Polyfrost. If not, see
* <https://polyfrost.cc/legal/oneconfig/additional-terms>
*/
package cc.polyfrost.oneconfig.gui.elements;
import cc.polyfrost.oneconfig.internal.assets.Colors;
import cc.polyfrost.oneconfig.platform.Platform;
import cc.polyfrost.oneconfig.renderer.RenderManager;
import cc.polyfrost.oneconfig.utils.InputHandler;
public class Slider extends BasicElement {
private final float min, max;
protected float value;
protected float currentDragPoint;
protected float dragPointerSize = 8f;
private boolean dragging = false;
private boolean mouseWasDown = false;
public Slider(int length, float min, float max, float startValue) {
super(length, 8, false);
this.min = min;
this.max = max;
setValue(startValue);
}
@Override
public void draw(long vg, float x, float y, InputHandler inputHandler) {
if(!disabled) update(x, y, inputHandler);
else RenderManager.setAlpha(vg, 0.5f);
RenderManager.drawRoundedRect(vg, x, y + 2, width, height - 4, Colors.GRAY_300, 3f);
RenderManager.drawRoundedRect(vg, x, y + 2, width * value, height - 4, Colors.PRIMARY_500, 3f);
RenderManager.drawRoundedRect(vg, currentDragPoint - dragPointerSize / 2, y - 8, 24, 24, Colors.WHITE, 12f);
RenderManager.setAlpha(vg, 1f);
}
public void update(float x, float y, InputHandler inputHandler) {
super.update(x, y, inputHandler);
boolean isMouseDown = Platform.getMousePlatform().isButtonDown(0);
boolean hovered = inputHandler.isAreaHovered(x - 6, y - 3, width + 12, height + 6);
if (hovered && isMouseDown && !mouseWasDown) dragging = true;
mouseWasDown = isMouseDown;
if (dragging) {
value = (inputHandler.mouseX() - x) / width;
}
if (dragging && inputHandler.isClicked(true)) {
dragging = false;
value = (inputHandler.mouseX() - x) / width;
}
if (value < 0) value = 0;
if (value > 1) value = 1;
currentDragPoint = x + (width - dragPointerSize) * value;
}
public float getValue() {
return value * (max - min) + min;
}
public void setValue(float value) {
this.value = (value - min) / (max - min);
}
public boolean isDragging() {
return dragging;
}
}
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