1 files changed, 149 insertions, 0 deletions
diff --git a/src/main/kotlin/features/macros/RadialMenu.kt b/src/main/kotlin/features/macros/RadialMenu.kt
new file mode 100644
index 0000000..2e09c44
--- /dev/null
+++ b/src/main/kotlin/features/macros/RadialMenu.kt
@@ -0,0 +1,149 @@
+package moe.nea.firmament.features.macros
+
+import org.joml.Vector2f
+import util.render.CustomRenderLayers
+import kotlin.math.atan2
+import kotlin.math.cos
+import kotlin.math.sin
+import kotlin.math.sqrt
+import net.minecraft.client.gui.DrawContext
+import moe.nea.firmament.annotations.Subscribe
+import moe.nea.firmament.events.HudRenderEvent
+import moe.nea.firmament.events.TickEvent
+import moe.nea.firmament.events.WorldKeyboardEvent
+import moe.nea.firmament.events.WorldMouseMoveEvent
+import moe.nea.firmament.features.macros.RadialMenuViewer.RadialMenu
+import moe.nea.firmament.features.macros.RadialMenuViewer.RadialMenuOption
+import moe.nea.firmament.keybindings.SavedKeyBinding
+import moe.nea.firmament.util.MC
+import moe.nea.firmament.util.render.RenderCircleProgress
+import moe.nea.firmament.util.render.drawLine
+import moe.nea.firmament.util.render.lerpAngle
+import moe.nea.firmament.util.render.wrapAngle
+import moe.nea.firmament.util.render.τ
+
+object RadialMenuViewer {
+	interface RadialMenu {
+		val key: SavedKeyBinding
+		val options: List<RadialMenuOption>
+	}
+
+	interface RadialMenuOption {
+		val isEnabled: Boolean
+		fun resolve()
+		fun renderSlice(drawContext: DrawContext)
+	}
+
+	var activeMenu: RadialMenu? = null
+		set(value) {
+			field = value
+			delta = Vector2f(0F, 0F)
+		}
+	var delta = Vector2f(0F, 0F)
+	val maxSelectionSize = 100F
+
+	@Subscribe
+	fun onMouseMotion(event: WorldMouseMoveEvent) {
+		val menu = activeMenu ?: return
+		event.cancel()
+		delta.add(event.deltaX.toFloat(), event.deltaY.toFloat())
+		val m = delta.lengthSquared()
+		if (m > maxSelectionSize * maxSelectionSize) {
+			delta.mul(maxSelectionSize / sqrt(m))
+		}
+	}
+
+	val INNER_CIRCLE_RADIUS = 16
+
+	@Subscribe
+	fun onRender(event: HudRenderEvent) {
+		val menu = activeMenu ?: return
+		val mat = event.context.matrices
+		mat.push()
+		mat.translate(
+			(MC.window.scaledWidth) / 2F,
+			(MC.window.scaledHeight) / 2F,
+			0F
+		)
+		val sliceWidth = (τ / menu.options.size).toFloat()
+		var selectedAngle = wrapAngle(atan2(delta.y, delta.x))
+		if (delta.lengthSquared() < INNER_CIRCLE_RADIUS * INNER_CIRCLE_RADIUS)
+			selectedAngle = Float.NaN
+		for ((idx, option) in menu.options.withIndex()) {
+			val range = (sliceWidth * idx)..(sliceWidth * (idx + 1))
+			mat.push()
+			mat.scale(64F, 64F, 1F)
+			val cutout = INNER_CIRCLE_RADIUS / 64F / 2
+			RenderCircleProgress.renderCircularSlice(
+				event.context,
+				CustomRenderLayers.TRANSLUCENT_CIRCLE_GUI,
+				0F, 1F, 0F, 1F,
+				range,
+				color = if (selectedAngle in range) 0x70A0A0A0 else 0x70FFFFFF,
+				innerCutoutRadius = cutout
+			)
+			mat.pop()
+			mat.push()
+			val centreAngle = lerpAngle(range.start, range.endInclusive, 0.5F)
+			val vec = Vector2f(cos(centreAngle), sin(centreAngle)).mul(40F)
+			mat.translate(vec.x, vec.y, 0F)
+			option.renderSlice(event.context)
+			mat.pop()
+		}
+		event.context.drawLine(1, 1, delta.x.toInt(), delta.y.toInt(), me.shedaniel.math.Color.ofOpaque(0x00FF00))
+		mat.pop()
+	}
+
+	@Subscribe
+	fun onTick(event: TickEvent) {
+		val menu = activeMenu ?: return
+		if (!menu.key.isPressed(true)) {
+			val angle = atan2(delta.y, delta.x)
+
+			val choiceIndex = (wrapAngle(angle) * menu.options.size / τ).toInt()
+			val choice = menu.options[choiceIndex]
+			val selectedAny = delta.lengthSquared() > INNER_CIRCLE_RADIUS * INNER_CIRCLE_RADIUS
+			activeMenu = null
+			if (selectedAny)
+				choice.resolve()
+		}
+	}
+
+}
+
+object RadialMacros {
+	var wheels = MacroData.DConfig.data.wheels
+		private set
+
+	fun setWheels(wheels: List<MacroWheel>) {
+		this.wheels = wheels
+		RadialMenuViewer.activeMenu = null
+	}
+
+	@Subscribe
+	fun onOpen(event: WorldKeyboardEvent) {
+		if (RadialMenuViewer.activeMenu != null) return
+		wheels.forEach { wheel ->
+			if (event.matches(wheel.key, atLeast = true)) {
+				class R(val action: HotkeyAction) : RadialMenuOption {
+					override val isEnabled: Boolean
+						get() = true
+
+					override fun resolve() {
+						action.execute()
+					}
+
+					override fun renderSlice(drawContext: DrawContext) {
+						drawContext.drawCenteredTextWithShadow(MC.font, action.label, 0, 0, -1)
+					}
+				}
+				RadialMenuViewer.activeMenu = object : RadialMenu {
+					override val key: SavedKeyBinding
+						get() = wheel.key
+					override val options: List<RadialMenuOption> =
+						wheel.options.map { R(it) }
+				}
+			}
+		}
+	}
+}