Add preRender protected hook to panels, and remove unused postrender hook

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

@@ -665,18 +665,10 @@ abstract class MatteryScreen<T : MatteryMenu>(menu: T, inventory: Inventory, tit
 		RenderSystem.enableBlend()
 		RenderSystem.enableDepthTest()
 
-		for (i in panels.indices.reversed()) {
+		for (panel in panels.asReversed()) {
-			val panel = panels[i]
 			RenderSystem.depthFunc(GL11.GL_ALWAYS)
 			RenderSystem.setShaderColor(1f, 1f, 1f, 1f)
-			panel.render(graphics, false, mouseXf, mouseYf, partialTick)
+			panel.render(graphics, mouseXf, mouseYf, partialTick)
-		}
-
-		for (i in panels.indices.reversed()) {
-			val panel = panels[i]
-			RenderSystem.depthFunc(GL11.GL_ALWAYS)
-			RenderSystem.setShaderColor(1f, 1f, 1f, 1f)
-			panel.render(graphics, true, mouseXf, mouseYf, partialTick)
 		}
 
 		RenderSystem.depthFunc(GL11.GL_LESS)

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

@@ -422,8 +422,6 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 	var acceptKeyboardInput = true
 	var grabMouseInput = false
 
-	open val needsPostRender: Boolean get() = false
-
 	fun tryToGrabMouseInput(): Boolean {
 		if (grabMouseInput) {
 			return true
@@ -788,6 +786,7 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 	}
 
 	protected open fun innerRender(graphics: GuiGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {}
+	protected open fun preRender(graphics: GuiGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {}
 	protected open fun innerRenderPost(graphics: GuiGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {}
 	protected open fun innerRenderTooltips(graphics: GuiGraphics, mouseX: Float, mouseY: Float, partialTick: Float): Boolean {
 		return false
@@ -840,7 +839,7 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 		}
 	}
 
-	fun render(graphics: GuiGraphics, post: Boolean, mouseX: Float, mouseY: Float, partialTick: Float) {
+	fun render(graphics: GuiGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {
 		once = true
 
 		if (!isVisible()) {
@@ -849,16 +848,13 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 
 		val poseStack = graphics.pose()
 
-		if (!post) {
 		performLayoutIfNeeded()
 
-			val parent = this.parent
-
 		if (parent == null) {
+			preRender(graphics, mouseX, mouseY, partialTick)
 			absoluteX = x
 			absoluteY = y
 		}
-		}
 
 		val scissor = this.scissor
 
@@ -877,16 +873,13 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 
 		val currentScissorRect = currentScissorRect
 
-		if ((!post || needsPostRender) && (currentScissorRect == null || currentScissorRect.crossScaled(absoluteX, absoluteY, width, height))) {
+		if (currentScissorRect == null || currentScissorRect.crossScaled(absoluteX, absoluteY, width, height)) {
 			// do not render if we are getting cut off by screen scissor
 			clearDepth(graphics, absoluteX, absoluteY, width, height)
 			poseStack.pushPose()
 			poseStack.translate(absoluteX.toDouble(), absoluteY.toDouble(), 10.0)
 			RenderSystem.setShaderColor(1f, 1f, 1f, if (isFlashFrameRecursive) 0.5f else 1f)
 
-			if (post)
-				innerRenderPost(graphics, mouseX, mouseY, partialTick)
-			else
 			innerRender(graphics, mouseX, mouseY, partialTick)
 
 			RenderSystem.setShaderColor(1f, 1f, 1f, 1f)
@@ -894,10 +887,11 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 		}
 
 		for (child in visibleChildrenInternal.asReversed()) {
+			child.preRender(graphics, mouseX, mouseY, partialTick)
 			child.absoluteX = absoluteX + child.x + xOffset
 			child.absoluteY = absoluteY + child.y + yOffset
 
-			child.render(graphics, post, mouseX, mouseY, partialTick)
+			child.render(graphics, mouseX, mouseY, partialTick)
 		}
 
 		if (scissor) {

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/Panel2Widget.kt

@@ -20,8 +20,7 @@ class Panel2Widget<out S: Screen, out P : EditablePanel<S>>(
 		val yFloat = mouseY.toFloat()
 
 		panel.tickHover(xFloat, yFloat)
-		panel.render(graphics, false, xFloat, yFloat, partialTick)
+		panel.render(graphics, xFloat, yFloat, partialTick)
-		panel.render(graphics, true, xFloat, yFloat, partialTick)
 		panel.renderTooltips(graphics, xFloat, yFloat, partialTick)
 	}
 

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

@@ -624,16 +624,7 @@ class DeviceControls<out S : MatteryScreen<*>>(
 		}
 	}
 
-	override fun innerRender(graphics: GuiGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {
+	override fun preRender(graphics: GuiGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {
-		if (parent is FramePanel<*>) {
-			x = parent!!.width + 3f
-			y = dockTop
-		}
-	}
-
-	override fun tickInner() {
-		super.tickInner()
-
 		if (parent is FramePanel<*>) {
 			x = parent!!.width + 3f
 			y = dockTop