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path: root/src/main/kotlin/util/MoulConfigUtils.kt
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package moe.nea.firmament.util

import io.github.notenoughupdates.moulconfig.common.IMinecraft
import io.github.notenoughupdates.moulconfig.common.MyResourceLocation
import io.github.notenoughupdates.moulconfig.gui.CloseEventListener
import io.github.notenoughupdates.moulconfig.gui.GuiComponent
import io.github.notenoughupdates.moulconfig.gui.GuiComponentWrapper
import io.github.notenoughupdates.moulconfig.gui.GuiContext
import io.github.notenoughupdates.moulconfig.gui.GuiImmediateContext
import io.github.notenoughupdates.moulconfig.gui.MouseEvent
import io.github.notenoughupdates.moulconfig.observer.GetSetter
import io.github.notenoughupdates.moulconfig.platform.ModernRenderContext
import io.github.notenoughupdates.moulconfig.xml.ChildCount
import io.github.notenoughupdates.moulconfig.xml.XMLContext
import io.github.notenoughupdates.moulconfig.xml.XMLGuiLoader
import io.github.notenoughupdates.moulconfig.xml.XMLUniverse
import io.github.notenoughupdates.moulconfig.xml.XSDGenerator
import java.io.File
import java.util.function.Supplier
import javax.xml.namespace.QName
import me.shedaniel.math.Color
import org.w3c.dom.Element
import kotlin.time.Duration
import kotlin.time.Duration.Companion.seconds
import net.minecraft.client.gui.DrawContext
import net.minecraft.client.gui.screen.Screen
import moe.nea.firmament.gui.BarComponent
import moe.nea.firmament.gui.FirmButtonComponent
import moe.nea.firmament.gui.FirmHoverComponent
import moe.nea.firmament.gui.FixedComponent
import moe.nea.firmament.gui.ImageComponent
import moe.nea.firmament.gui.TickComponent
import moe.nea.firmament.util.render.isUntranslatedGuiDrawContext

object MoulConfigUtils {
	val firmUrl = "http://firmament.nea.moe/moulconfig"
	val universe = XMLUniverse.getDefaultUniverse().also { uni ->
		uni.registerMapper(java.awt.Color::class.java) {
			if (it.startsWith("#")) {
				val hexString = it.substring(1)
				val hex = hexString.toInt(16)
				if (hexString.length == 6) {
					return@registerMapper java.awt.Color(hex)
				}
				if (hexString.length == 8) {
					return@registerMapper java.awt.Color(hex, true)
				}
				error("Hexcolor $it needs to be exactly 6 or 8 hex digits long")
			}
			return@registerMapper java.awt.Color(it.toInt(), true)
		}
		uni.registerMapper(Color::class.java) {
			val color = uni.mapXMLObject(it, java.awt.Color::class.java)
			Color.ofRGBA(color.red, color.green, color.blue, color.alpha)
		}
		uni.registerLoader(object : XMLGuiLoader.Basic<BarComponent> {
			override fun getName(): QName {
				return QName(firmUrl, "Bar")
			}

			override fun createInstance(context: XMLContext<*>, element: Element): BarComponent {
				return BarComponent(
					context.getPropertyFromAttribute(element, QName("progress"), Double::class.java)!!,
					context.getPropertyFromAttribute(element, QName("total"), Double::class.java)!!,
					context.getPropertyFromAttribute(element, QName("fillColor"), Color::class.java)!!.get(),
					context.getPropertyFromAttribute(element, QName("emptyColor"), Color::class.java)!!.get(),
				)
			}

			override fun getChildCount(): ChildCount {
				return ChildCount.NONE
			}

			override fun getAttributeNames(): Map<String, Boolean> {
				return mapOf("progress" to true, "total" to true, "emptyColor" to true, "fillColor" to true)
			}
		})
		uni.registerLoader(object : XMLGuiLoader.Basic<FirmHoverComponent> {
			override fun createInstance(context: XMLContext<*>, element: Element): FirmHoverComponent {
				return FirmHoverComponent(
					context.getChildFragment(element),
					context.getPropertyFromAttribute(element,
					                                 QName("lines"),
					                                 List::class.java) as Supplier<List<String>>,
					context.getPropertyFromAttribute(element, QName("delay"), Duration::class.java, 0.6.seconds),
				)
			}

			override fun getName(): QName {
				return QName(firmUrl, "Hover")
			}

			override fun getChildCount(): ChildCount {
				return ChildCount.ONE
			}

			override fun getAttributeNames(): Map<String, Boolean> {
				return mapOf(
					"lines" to true,
					"delay" to false,
				)
			}

		})
		uni.registerLoader(object : XMLGuiLoader.Basic<FirmButtonComponent> {
			override fun getName(): QName {
				return QName(firmUrl, "Button")
			}

			override fun createInstance(context: XMLContext<*>, element: Element): FirmButtonComponent {
				return FirmButtonComponent(
					context.getChildFragment(element),
					context.getPropertyFromAttribute(element, QName("enabled"), Boolean::class.java)
						?: GetSetter.constant(true),
					context.getPropertyFromAttribute(element, QName("noBackground"), Boolean::class.java, false),
					context.getMethodFromAttribute(element, QName("onClick")),
				)
			}

			override fun getChildCount(): ChildCount {
				return ChildCount.ONE
			}

			override fun getAttributeNames(): Map<String, Boolean> {
				return mapOf("onClick" to true, "enabled" to false, "noBackground" to false)
			}
		})
		uni.registerLoader(object : XMLGuiLoader.Basic<ImageComponent> {
			override fun createInstance(context: XMLContext<*>, element: Element): ImageComponent {
				return ImageComponent(
					context.getPropertyFromAttribute(element, QName("width"), Int::class.java)!!.get(),
					context.getPropertyFromAttribute(element, QName("height"), Int::class.java)!!.get(),
					context.getPropertyFromAttribute(element, QName("resource"), MyResourceLocation::class.java)!!,
					context.getPropertyFromAttribute(element, QName("u1"), Float::class.java, 0f),
					context.getPropertyFromAttribute(element, QName("u2"), Float::class.java, 1f),
					context.getPropertyFromAttribute(element, QName("v1"), Float::class.java, 0f),
					context.getPropertyFromAttribute(element, QName("v2"), Float::class.java, 1f),
				)
			}

			override fun getName(): QName {
				return QName(firmUrl, "Image")
			}

			override fun getChildCount(): ChildCount {
				return ChildCount.NONE
			}

			override fun getAttributeNames(): Map<String, Boolean> {
				return mapOf(
					"width" to true, "height" to true,
					"resource" to true,
					"u1" to false,
					"u2" to false,
					"v1" to false,
					"v2" to false,
				)
			}
		})
		uni.registerLoader(object : XMLGuiLoader.Basic<TickComponent> {
			override fun createInstance(context: XMLContext<*>, element: Element): TickComponent {
				return TickComponent(context.getMethodFromAttribute(element, QName("tick")))
			}

			override fun getName(): QName {
				return QName(firmUrl, "Tick")
			}

			override fun getChildCount(): ChildCount {
				return ChildCount.NONE
			}

			override fun getAttributeNames(): Map<String, Boolean> {
				return mapOf("tick" to true)
			}
		})
		uni.registerLoader(object : XMLGuiLoader.Basic<FixedComponent> {
			override fun createInstance(context: XMLContext<*>, element: Element): FixedComponent {
				return FixedComponent(
					context.getPropertyFromAttribute(element, QName("width"), Int::class.java)
						?: error("Requires width specified"),
					context.getPropertyFromAttribute(element, QName("height"), Int::class.java)
						?: error("Requires height specified"),
					context.getChildFragment(element)
				)
			}

			override fun getName(): QName {
				return QName(firmUrl, "Fixed")
			}

			override fun getChildCount(): ChildCount {
				return ChildCount.ONE
			}

			override fun getAttributeNames(): Map<String, Boolean> {
				return mapOf("width" to true, "height" to true)
			}
		})
	}

	fun generateXSD(
		file: File,
		namespace: String
	) {
		val generator = XSDGenerator(universe, namespace)
		generator.writeAll()
		generator.dumpToFile(file)
	}

	@JvmStatic
	fun main(args: Array<out String>) {
		generateXSD(File("MoulConfig.xsd"), XMLUniverse.MOULCONFIG_XML_NS)
		generateXSD(File("MoulConfig.Firmament.xsd"), firmUrl)
		File("wrapper.xsd").writeText("""
<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:import namespace="http://notenoughupdates.org/moulconfig" schemaLocation="MoulConfig.xsd"/>
    <xs:import namespace="http://firmament.nea.moe/moulconfig" schemaLocation="MoulConfig.Firmament.xsd"/>
</xs:schema>
        """.trimIndent())
	}

	fun loadScreen(name: String, bindTo: Any, parent: Screen?): Screen {
		return object : GuiComponentWrapper(loadGui(name, bindTo)) {
			override fun close() {
				if (context.onBeforeClose() == CloseEventListener.CloseAction.NO_OBJECTIONS_TO_CLOSE) {
					client!!.setScreen(parent)
				}
			}
		}
	}

	// TODO: move this utility into moulconfig (also rework guicontext into an interface so i can make this mesh better into vanilla)
	fun GuiContext.adopt(element: GuiComponent) = element.foldRecursive(Unit, { comp, unit -> comp.context = this })

	inline fun <T, R> GetSetter<T>.xmap(crossinline fromT: (T) -> R, crossinline toT: (R) -> T): GetSetter<R> {
		val outer = this
		return object : GetSetter<R> {
			override fun get(): R {
				return fromT(outer.get())
			}

			override fun set(newValue: R) {
				outer.set(toT(newValue))
			}
		}
	}

	fun clickMCComponentInPlace(
		component: GuiComponent,
		x: Int,
		y: Int,
		w: Int,
		h: Int,
		mouseX: Int, mouseY: Int,
		mouseEvent: MouseEvent
	): Boolean {
		val immContext = createInPlaceFullContext(null, mouseX, mouseY)
		return component.mouseEvent(mouseEvent, immContext.translated(x, y, w, h))
	}

	fun createInPlaceFullContext(drawContext: DrawContext?, mouseX: Int, mouseY: Int): GuiImmediateContext {
		assert(drawContext?.isUntranslatedGuiDrawContext() != false)
		val context = drawContext?.let(::ModernRenderContext)
			?: IMinecraft.instance.provideTopLevelRenderContext()
		val immContext = GuiImmediateContext(context,
		                                     0, 0, 0, 0,
		                                     mouseX, mouseY,
		                                     mouseX, mouseY,
		                                     mouseX.toFloat(),
		                                     mouseY.toFloat())
		return immContext
	}

	fun DrawContext.drawMCComponentInPlace(
		component: GuiComponent,
		x: Int,
		y: Int,
		w: Int,
		h: Int,
		mouseX: Int,
		mouseY: Int
	) {
		val immContext = createInPlaceFullContext(this, mouseX, mouseY)
		matrices.push()
		matrices.translate(x.toFloat(), y.toFloat(), 0F)
		component.render(immContext.translated(x, y, w, h))
		matrices.pop()
	}


	fun loadGui(name: String, bindTo: Any): GuiContext {
		return GuiContext(universe.load(bindTo, MyResourceLocation("firmament", "gui/$name.xml")))
	}
}