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package com.ambientaddons.gui
import AmbientAddons.Companion.guiElements
import AmbientAddons.Companion.persistentData
import com.ambientaddons.utils.Alignment
import com.ambientaddons.utils.dungeon.TextStyle
import com.ambientaddons.utils.render.OverlayUtils
import gg.essential.universal.UResolution
import net.minecraft.client.gui.GuiScreen
import net.minecraft.client.renderer.GlStateManager
import org.lwjgl.input.Mouse
import org.lwjgl.opengl.Display
import java.awt.Color
import kotlin.math.sign
class MoveGui : GuiScreen() {
private var currentElement: GuiElement? = null
private var clickOffsetX = 0.0
private var clickOffsetY = 0.0
override fun drawScreen(x: Int, y: Int, partialTicks: Float) {
super.drawScreen(x, y, partialTicks)
val (mouseX, mouseY) = getMouseCoordinates()
OverlayUtils.renderRect(
0.0, 0.0, UResolution.scaledWidth.toDouble(), UResolution.scaledHeight.toDouble(), Color(0, 0, 0, 64)
)
GlStateManager.pushMatrix()
GlStateManager.translate(UResolution.scaledWidth / 2.0, UResolution.scaledHeight / 2.0, 300.0)
OverlayUtils.drawString(0, 10, "Drag to move GUI elements.", TextStyle.Outline, Alignment.Center)
OverlayUtils.drawString(0, 20, "Scroll inside elements to scale.", TextStyle.Outline, Alignment.Center)
GlStateManager.popMatrix()
guiElements.forEach { it.draw(mouseX, mouseY) }
}
override fun mouseClicked(x: Int, y: Int, mouseButton: Int) {
val (mouseX, mouseY) = getMouseCoordinates()
currentElement = guiElements.find { it.isInsideElement(mouseX, mouseY) }?.apply {
clickOffsetX = mouseX - position.x
clickOffsetY = mouseY - position.y
}
super.mouseClicked(x, y, mouseButton)
}
override fun mouseClickMove(x: Int, y: Int, clickedMouseButton: Int, timeSinceLastClick: Long) {
currentElement?.apply {
val (mouseX, mouseY) = getMouseCoordinates()
position.x = mouseX - clickOffsetX
position.y = mouseY - clickOffsetY
coerceIntoScreen()
}
super.mouseClickMove(x, y, clickedMouseButton, timeSinceLastClick)
}
override fun handleMouseInput() {
super.handleMouseInput()
val (mouseX, mouseY) = getMouseCoordinates()
val dScroll = (Mouse.getEventDWheel().sign * 0.1).takeIf { it != 0.0 } ?: return
currentElement = guiElements.find { it.isInsideElement(mouseX, mouseY) }?.apply {
clickOffsetX = mouseX - position.x
clickOffsetY = mouseY - position.y
val oldScale = position.scale
val newScale = (position.scale + dScroll).coerceAtLeast(0.1)
position.x = mouseX + (newScale / oldScale) * (position.x - mouseX)
position.y = mouseY + (newScale / oldScale) * (position.y - mouseY)
position.scale = newScale
coerceIntoScreen()
}
}
private fun getMouseCoordinates(): Pair<Double, Double> {
val mouseX = Mouse.getX() / UResolution.scaleFactor
val mouseY = (Display.getHeight() - Mouse.getY()) / UResolution.scaleFactor
return Pair(mouseX, mouseY)
}
override fun onGuiClosed() = persistentData.save()
}
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