Mouse cursors support

src/main/java/ru/dbotthepony/mc/otm/OverdriveThatMatters.java

@@ -241,6 +241,7 @@ public final class OverdriveThatMatters {
 		EVENT_BUS.addListener(EventPriority.LOWEST, ClientTickHandlerKt::onClientTick);
 		EVENT_BUS.addListener(EventPriority.HIGHEST, ClientTickHandlerKt::onClientConnected);
 		EVENT_BUS.addListener(EventPriority.HIGHEST, ClientTickHandlerKt::onClientDisconnected);
+		EVENT_BUS.addListener(EventPriority.NORMAL, ClientTickHandlerKt::onClientPostRender);
 		EVENT_BUS.addListener(EventPriority.NORMAL, ClientEventHandlerKt::tooltipEvent);
 
 		EVENT_BUS.addListener(EventPriority.NORMAL, QuantumBatteryItem.Companion::clientDisconnect);
@@ -254,5 +255,6 @@ public final class OverdriveThatMatters {
 		EVENT_BUS.addListener(EventPriority.NORMAL, ExosuitModel::onPlayerRendered);
 
 		event.enqueueWork(GlobalEventHandlerKt::recordClientThread);
+		event.enqueueWork(ClientTickHandlerKt::createCursors);
 	}
 }

src/main/kotlin/ru/dbotthepony/mc/otm/client/ClientTickHandler.kt

@@ -2,14 +2,62 @@ package ru.dbotthepony.mc.otm.client
 
 import net.minecraftforge.client.event.ClientPlayerNetworkEvent
 import net.minecraftforge.event.TickEvent
+import net.minecraftforge.event.TickEvent.RenderTickEvent
+import org.lwjgl.glfw.GLFW
 import ru.dbotthepony.mc.otm.core.util.IConditionalTickable
 import ru.dbotthepony.mc.otm.core.util.ITickable
 import ru.dbotthepony.mc.otm.core.util.TickList
+import ru.dbotthepony.mc.otm.core.util.WriteOnce
 import ru.dbotthepony.mc.otm.isClient
+import java.util.function.LongSupplier
 
 private val preTickList = TickList()
 private val postTickList = TickList()
 
+var MODIFIED_CURSOR = false
+	private set
+
+private var MODIFIED_CURSOR_FRAMES = 3
+
+private var ARROW_CURSOR by WriteOnce<Long>()
+private var BEAM_CURSOR by WriteOnce<Long>()
+private var HAND_CURSOR by WriteOnce<Long>()
+private var NOT_ALLOWED_CURSOR by WriteOnce<Long>()
+private var CROSSHAIR_CURSOR by WriteOnce<Long>()
+
+fun createCursors() {
+	ARROW_CURSOR = GLFW.glfwCreateStandardCursor(GLFW.GLFW_ARROW_CURSOR)
+	BEAM_CURSOR = GLFW.glfwCreateStandardCursor(GLFW.GLFW_IBEAM_CURSOR)
+	HAND_CURSOR = GLFW.glfwCreateStandardCursor(GLFW.GLFW_POINTING_HAND_CURSOR)
+	NOT_ALLOWED_CURSOR = GLFW.glfwCreateStandardCursor(GLFW.GLFW_NOT_ALLOWED_CURSOR)
+	CROSSHAIR_CURSOR = GLFW.glfwCreateStandardCursor(GLFW.GLFW_CROSSHAIR_CURSOR)
+
+	check(ARROW_CURSOR != 0L) { "Failed to create ARROW_CURSOR. Are we not on main game thread?" }
+	check(BEAM_CURSOR != 0L) { "Failed to create BEAM_CURSOR. Are we not on main game thread?" }
+	check(HAND_CURSOR != 0L) { "Failed to create HAND_CURSOR. Are we not on main game thread?" }
+	check(NOT_ALLOWED_CURSOR != 0L) { "Failed to create NOT_ALLOWED_CURSOR. Are we not on main game thread?" }
+	check(CROSSHAIR_CURSOR != 0L) { "Failed to create CROSSHAIR_CURSOR. Are we not on main game thread?" }
+}
+
+enum class CursorType(val pointer: LongSupplier) {
+	ARROW(::ARROW_CURSOR), BEAM(::BEAM_CURSOR), HAND(::HAND_CURSOR), NOT_ALLOWED(::NOT_ALLOWED_CURSOR), CROSSHAIR(::CROSSHAIR_CURSOR);
+
+	fun setTo() {
+		GLFW.glfwSetCursor(minecraft.window.window, pointer.asLong)
+		MODIFIED_CURSOR = true
+		MODIFIED_CURSOR_FRAMES = 2
+	}
+}
+
+fun onClientPostRender(event: RenderTickEvent) {
+	if (event.phase == TickEvent.Phase.END) {
+		if (MODIFIED_CURSOR_FRAMES-- <= 0 && MODIFIED_CURSOR) {
+			GLFW.glfwSetCursor(minecraft.window.window, ARROW_CURSOR)
+			MODIFIED_CURSOR = false
+		}
+	}
+}
+
 var LOGGED_IN = false
 	private set
 

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/ColorPicker.kt

@@ -7,6 +7,7 @@ import net.minecraft.client.gui.screens.Screen
 import net.minecraft.network.chat.Component
 import net.minecraft.resources.ResourceLocation
 import ru.dbotthepony.mc.otm.OverdriveThatMatters
+import ru.dbotthepony.mc.otm.client.CursorType
 import ru.dbotthepony.mc.otm.client.render.MGUIGraphics
 import ru.dbotthepony.mc.otm.client.playGuiClickSound
 import ru.dbotthepony.mc.otm.client.render.sprites.MatterySprite
@@ -39,6 +40,9 @@ open class ColorBoxPanel<out S : Screen>(
 	var markerPos = backgroundColor.toHSV()
 		protected set
 
+	override val cursorType: CursorType
+		get() = if (isDisabled.get()) CursorType.NOT_ALLOWED else CursorType.CROSSHAIR
+
 	fun setColor(color: Either<RGBAColor, HSVColor>) {
 		color.map(
 			{ markerPos = it.toHSV(); if (it.canRepresentHue()) backgroundColor = HSVColor(it.toHSV().hue, 1f, 1f).toRGBA() },
@@ -146,6 +150,9 @@ abstract class AbstractColorWangPanel<out S : Screen>(
 
 	protected abstract fun onWangInput(newPosition: Float)
 
+	override val cursorType: CursorType
+		get() = if (isDisabled.get()) CursorType.NOT_ALLOWED else CursorType.ARROW
+
 	init {
 		scissor = true
 	}
@@ -577,6 +584,9 @@ open class ColorPickerPanel<out S : Screen>(
 	val middleStrip = EditablePanel(screen, this)
 	val palette = ColorPalettePanel(screen, this, callback = { onPaletteChoose(it) }, isDisabled = isDisabled)
 
+	override val cursorType: CursorType
+		get() = if (isDisabled.get()) CursorType.NOT_ALLOWED else CursorType.ARROW
+
 	val hexInput = object : TextInputPanel<S>(screen, middleStrip, width = 50f) {
 		init {
 			dock = Dock.RIGHT

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/EditablePanel.kt

@@ -17,6 +17,7 @@ import net.minecraft.world.inventory.Slot
 import net.minecraft.world.item.ItemStack
 import org.apache.logging.log4j.LogManager
 import ru.dbotthepony.mc.otm.SystemTime
+import ru.dbotthepony.mc.otm.client.CursorType
 import ru.dbotthepony.mc.otm.client.render.MGUIGraphics
 import ru.dbotthepony.mc.otm.client.minecraft
 import ru.dbotthepony.mc.otm.client.moveMousePosScaled
@@ -421,6 +422,7 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 	var acceptMouseInput = true
 	var acceptKeyboardInput = true
 	var grabMouseInput = false
+	open val cursorType: CursorType get() = CursorType.ARROW
 
 	fun tryToGrabMouseInput(): Boolean {
 		if (grabMouseInput) {
@@ -898,6 +900,10 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 		if (scissor) {
 			popScissorRect()
 		}
+
+		if (isHovered) {
+			cursorType.setTo()
+		}
 	}
 
 	fun updateAbsolutePosition() {

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/button/AbstractButtonPanel.kt

@@ -2,6 +2,7 @@ package ru.dbotthepony.mc.otm.client.screen.panels.button
 
 import com.mojang.blaze3d.platform.InputConstants
 import net.minecraft.client.gui.screens.Screen
+import ru.dbotthepony.mc.otm.client.CursorType
 import ru.dbotthepony.mc.otm.client.render.MGUIGraphics
 import ru.dbotthepony.mc.otm.client.playGuiClickSound
 import ru.dbotthepony.mc.otm.client.screen.panels.EditablePanel
@@ -30,6 +31,9 @@ abstract class AbstractButtonPanel<out S : Screen>(
 			}
 		}
 
+	override val cursorType: CursorType
+		get() = if (isDisabled) CursorType.NOT_ALLOWED else CursorType.ARROW
+
 	override fun test(value: Int): Boolean {
 		return value == InputConstants.MOUSE_BUTTON_LEFT
 	}

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/input/NetworkNumberInputPanel.kt

@@ -2,6 +2,7 @@ package ru.dbotthepony.mc.otm.client.screen.panels.input
 
 import net.minecraft.client.gui.screens.Screen
 import net.minecraft.network.chat.Component
+import ru.dbotthepony.mc.otm.client.CursorType
 import ru.dbotthepony.mc.otm.client.minecraft
 import ru.dbotthepony.mc.otm.client.screen.panels.EditablePanel
 import ru.dbotthepony.mc.otm.core.TextComponent
@@ -14,7 +15,7 @@ open class NetworkNumberInputPanel<out S : Screen> @JvmOverloads constructor(
 	parent: EditablePanel<*>?,
 	val networkValue: () -> BigDecimal,
 	val callback: (BigDecimal) -> Unit,
-	val isAvailable: BooleanSupplier = BooleanSupplier { true },
+	val isEnabled: BooleanSupplier = BooleanSupplier { true },
 	x: Float = 0f,
 	y: Float = 0f,
 	width: Float = 0f,
@@ -35,7 +36,7 @@ open class NetworkNumberInputPanel<out S : Screen> @JvmOverloads constructor(
 		screen = screen,
 		parent = parent,
 		callback = widget::accept,
-		isAvailable = { widget.allowSpectators || minecraft.player?.isSpectator != true },
+		isEnabled = { widget.allowSpectators || minecraft.player?.isSpectator != true },
 		networkValue = networkValue,
 		x = x,
 		y = y,
@@ -48,7 +49,7 @@ open class NetworkNumberInputPanel<out S : Screen> @JvmOverloads constructor(
 	protected var inputStr = ""
 
 	override fun mouseClickedInner(x: Double, y: Double, button: Int): Boolean {
-		if (!isAvailable.asBoolean) {
+		if (!isEnabled.asBoolean) {
 			return true
 		}
 
@@ -59,7 +60,7 @@ open class NetworkNumberInputPanel<out S : Screen> @JvmOverloads constructor(
 		super.tickInner()
 
 		if (isFocusedThis) {
-			if (!isAvailable.asBoolean) {
+			if (!isEnabled.asBoolean) {
 				killFocus()
 				return
 			}
@@ -70,7 +71,7 @@ open class NetworkNumberInputPanel<out S : Screen> @JvmOverloads constructor(
 		if (nextUpdateFromServer < System.currentTimeMillis()) {
 			getOrCreateWidget().value = networkValue.invoke().toPlainString()
 			inputStr = getOrCreateWidget().value
-		} else if (isAvailable.asBoolean) {
+		} else if (isEnabled.asBoolean) {
 			if (inputStr != getOrCreateWidget().value) {
 				inputStr = getOrCreateWidget().value
 

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/input/TextInputPanel.kt

@@ -13,6 +13,7 @@ import net.minecraft.client.gui.screens.Screen
 import net.minecraft.client.renderer.GameRenderer
 import net.minecraft.network.chat.Component
 import org.joml.Vector2i
+import ru.dbotthepony.mc.otm.client.CursorType
 import ru.dbotthepony.mc.otm.client.render.MGUIGraphics
 import ru.dbotthepony.mc.otm.client.isCtrlDown
 import ru.dbotthepony.mc.otm.client.isShiftDown
@@ -151,6 +152,9 @@ open class TextInputPanel<out S : Screen>(
 	open var backgroundColor = RGBAColor.BLACK
 	open var isActive = true
 
+	override val cursorType: CursorType
+		get() = if (isActive) CursorType.BEAM else CursorType.NOT_ALLOWED
+
 	init {
 		scissor = true
 		dockPadding = DockProperty(2f, 2f, 2f, 2f)

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/util/AnalogScrollBarPanel.kt

@@ -2,6 +2,7 @@ package ru.dbotthepony.mc.otm.client.screen.panels.util
 
 import com.mojang.blaze3d.platform.InputConstants
 import net.minecraft.client.gui.screens.Screen
+import ru.dbotthepony.mc.otm.client.CursorType
 import ru.dbotthepony.mc.otm.client.render.MGUIGraphics
 import ru.dbotthepony.mc.otm.client.screen.panels.EditablePanel
 import ru.dbotthepony.mc.otm.client.screen.panels.slot.AbstractSlotPanel
@@ -26,6 +27,9 @@ open class AnalogScrollBarPanel<out S : Screen>(
 		var isScrolling = false
 			private set
 
+		override val cursorType: CursorType
+			get() = if (maxScroll.invoke(this@AnalogScrollBarPanel) <= 0) CursorType.NOT_ALLOWED else CursorType.ARROW
+
 		override fun innerRender(graphics: MGUIGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {
 			if (this@AnalogScrollBarPanel.width == ScrollBarConstants.SLIM_WIDTH) {
 				if (isScrolling) {

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/util/DiscreteScrollBarPanel.kt

@@ -2,6 +2,7 @@ package ru.dbotthepony.mc.otm.client.screen.panels.util
 
 import com.mojang.blaze3d.platform.InputConstants
 import net.minecraft.client.gui.screens.Screen
+import ru.dbotthepony.mc.otm.client.CursorType
 import ru.dbotthepony.mc.otm.client.render.MGUIGraphics
 import ru.dbotthepony.mc.otm.client.screen.panels.EditablePanel
 import kotlin.math.roundToInt
@@ -20,6 +21,9 @@ open class DiscreteScrollBarPanel<out S : Screen>(
 		var isScrolling = false
 			private set
 
+		override val cursorType: CursorType
+			get() = if (maxScroll.invoke(this@DiscreteScrollBarPanel) <= 0) CursorType.NOT_ALLOWED else CursorType.ARROW
+
 		override fun innerRender(graphics: MGUIGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {
 			if (this@DiscreteScrollBarPanel.width == ScrollBarConstants.SLIM_WIDTH) {
 				if (isScrolling) {