src/main/java/at/hannibal2/skyhanni/features/gui/MovableHotBar.kt


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package at.hannibal2.skyhanni.features.gui

import at.hannibal2.skyhanni.SkyHanniMod
import at.hannibal2.skyhanni.data.GuiEditManager
import at.hannibal2.skyhanni.utils.LorenzUtils
import at.hannibal2.skyhanni.utils.RenderUtils.transform
import net.minecraft.client.Minecraft
import net.minecraft.client.renderer.GlStateManager
import net.minecraftforge.client.event.RenderGameOverlayEvent
import net.minecraftforge.fml.common.eventhandler.EventPriority
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent

class MovableHotBar {

    private val config get() = SkyHanniMod.feature.gui.hotbar

    private var post = false

    @SubscribeEvent(priority = EventPriority.LOWEST)
    fun onRenderHotbar(event: RenderGameOverlayEvent.Pre) {
        if (event.type != RenderGameOverlayEvent.ElementType.HOTBAR || !isEnabled()) return
        post = true
        GlStateManager.pushMatrix()
        val scaled = event.resolution
        val x = scaled.scaledWidth / 2 - 91
        val y = scaled.scaledHeight - 22
        config.hotbar.transform()
        GlStateManager.translate(-x.toFloat(), -y.toFloat(), 0f) // Must be after transform to work with scaling
        GuiEditManager.add(config.hotbar, "Hotbar", 182 - 1, 22 - 1) // -1 since the editor for some reason add +1
    }

    @SubscribeEvent(priority = EventPriority.HIGHEST)
    fun onRenderHotbar(event: RenderGameOverlayEvent.Post) {
        if (event.type != RenderGameOverlayEvent.ElementType.HOTBAR || !post) return
        GlStateManager.popMatrix()
        post = false
    }

    fun isEnabled(): Boolean =
        (LorenzUtils.inSkyBlock || (Minecraft.getMinecraft().thePlayer != null && config.showOutsideSkyblock))
            && config.editable
}