Chart levels

src/main/kotlin/ru/dbotthepony/mc/otm/client/render/ChartRendering.kt

@@ -1,13 +1,17 @@
 package ru.dbotthepony.mc.otm.client.render
 
 import com.mojang.blaze3d.systems.RenderSystem
+import com.mojang.blaze3d.vertex.BufferBuilder
 import com.mojang.blaze3d.vertex.BufferUploader
+import com.mojang.blaze3d.vertex.ByteBufferBuilder
 import com.mojang.blaze3d.vertex.DefaultVertexFormat
 import com.mojang.blaze3d.vertex.PoseStack
 import com.mojang.blaze3d.vertex.VertexFormat
+import it.unimi.dsi.fastutil.floats.Float2ObjectMap
 import net.minecraft.client.gui.Font
 import net.minecraft.client.renderer.GameRenderer
 import net.minecraft.network.chat.Component
+import org.lwjgl.opengl.GL11.GL_LESS
 import ru.dbotthepony.kommons.math.RGBAColor
 import kotlin.math.PI
 import kotlin.math.acos
@@ -20,6 +24,8 @@ private const val LINE_WIDTH = 1f
 private const val HIGHLIGHT_WIDTH = 3f
 
 private val TEXT_BACKGROUND = RGBAColor(0f, 0f, 0f, 0.5f)
+private val LINE_COLOR = RGBAColor(1f, 0f, 1f, 0.25f)
+private val LINE_TEXT_COLOR = RGBAColor(1f, 0f, 1f, 0.5f)
 
 data class ChartMouseLabels(
 	val mouseX: Float,
@@ -32,6 +38,17 @@ data class ChartMouseLabels(
 	val textBackgroundColor: RGBAColor = TEXT_BACKGROUND
 )
 
+data class ChartLevelLabels(
+	val labels: Map<Float, Component>,
+	val font: Font,
+	val lineColor: RGBAColor = RGBAColor.DARK_GREEN,
+	val textColor: RGBAColor = RGBAColor.DARK_GREEN,
+	val textGravity: RenderGravity = RenderGravity.TOP_RIGHT,
+	val textOutline: RGBAColor = RGBAColor.BLACK
+)
+
+private val BYTE_BUFFER_BUILDER = ByteBufferBuilder(786_432)
+
 fun renderChart(
 	poseStack: PoseStack,
 	normalized: FloatArray,
@@ -39,10 +56,11 @@ fun renderChart(
 	height: Float,
 	color: RGBAColor = RGBAColor.WHITE,
 	labels: ChartMouseLabels? = null,
+	levelLabels: ChartLevelLabels? = null,
 	x: Float = 0f,
 	y: Float = 0f,
 ) {
-	val builder = tesselator.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION)
+	val builder = BufferBuilder(BYTE_BUFFER_BUILDER, VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_COLOR)
 	val step = width / normalized.size
 
 	val pose = poseStack.last().pose
@@ -52,6 +70,17 @@ fun renderChart(
 	var drawPointX = 0f
 	var drawPointY = 0f
 
+	if (levelLabels != null) {
+		for ((level, label) in levelLabels.labels) {
+			val y0 = y + (1f - level) * height
+
+			builder.vertex(pose, x + width, LINE_WIDTH / 2f + y0, 0f).color(levelLabels.lineColor)
+			builder.vertex(pose, x + width, -LINE_WIDTH / 2f + y0, 0f).color(levelLabels.lineColor)
+			builder.vertex(pose, x, -LINE_WIDTH / 2f + y0, 0f).color(levelLabels.lineColor)
+			builder.vertex(pose, x, LINE_WIDTH / 2f + y0, 0f).color(levelLabels.lineColor)
+		}
+	}
+
 	for (i in 0 until normalized.size - 1) {
 		val y0 = y + (1f - normalized[i]) * height
 		val y1 = y + (1f - normalized[i + 1]) * height
@@ -63,10 +92,10 @@ fun renderChart(
 		val yDiff = y1 - y0
 
 		if (yDiff.sign == 0f) {
-			builder.vertex(pose, x0, y0 + LINE_WIDTH / 2f, 0f)
+			builder.vertex(pose, x0, y0 + LINE_WIDTH / 2f, 0f).color(color)
-			builder.vertex(pose, x0, y0 - LINE_WIDTH / 2f, 0f)
+			builder.vertex(pose, x0, y0 - LINE_WIDTH / 2f, 0f).color(color)
-			builder.vertex(pose, x1, y1 - LINE_WIDTH / 2f, 0f)
+			builder.vertex(pose, x1, y1 - LINE_WIDTH / 2f, 0f).color(color)
-			builder.vertex(pose, x1, y1 + LINE_WIDTH / 2f, 0f)
+			builder.vertex(pose, x1, y1 + LINE_WIDTH / 2f, 0f).color(color)
 		} else {
 			val length = (xDiff.pow(2f) + yDiff.pow(2f)).pow(0.5f)
 			val angle = acos(xDiff / length) * yDiff.sign - PI / 2f // rotate 90 deg
@@ -74,10 +103,10 @@ fun renderChart(
 			val xDisp = cos(angle).toFloat() * LINE_WIDTH / 2f
 			val yDisp = sin(angle).toFloat() * LINE_WIDTH / 2f
 
-			builder.vertex(pose, x0 + xDisp, y0 + yDisp, 0f)
+			builder.vertex(pose, x0 + xDisp, y0 + yDisp, 0f).color(color)
-			builder.vertex(pose, x0 - xDisp, y0 - yDisp, 0f)
+			builder.vertex(pose, x0 - xDisp, y0 - yDisp, 0f).color(color)
-			builder.vertex(pose, x1 - xDisp, y1 - yDisp, 0f)
+			builder.vertex(pose, x1 - xDisp, y1 - yDisp, 0f).color(color)
-			builder.vertex(pose, x1 + xDisp, y1 + yDisp, 0f)
+			builder.vertex(pose, x1 + xDisp, y1 + yDisp, 0f).color(color)
 		}
 
 		//graphics.renderRect(x0, y0, LINE_WIDTH, LINE_WIDTH)
@@ -89,13 +118,37 @@ fun renderChart(
 		}
 	}
 
-	RenderSystem.setShader(GameRenderer::getPositionShader)
+	RenderSystem.setShader(GameRenderer::getPositionColorShader)
-	RenderSystem.setShaderColor(color.red, color.green, color.blue, color.alpha)
+	// RenderSystem.setShaderColor(color.red, color.green, color.blue, color.alpha)
 	RenderSystem.disableDepthTest()
 	RenderSystem.disableBlend()
+	RenderSystem.setShaderColor(1f, 1f, 1f, 1f)
 
 	BufferUploader.drawWithShader(builder.buildOrThrow())
 
+	RenderSystem.enableDepthTest()
+	RenderSystem.depthFunc(GL_LESS)
+
+	if (levelLabels != null && levelLabels.labels.isNotEmpty()) {
+		for ((level, label) in levelLabels.labels) {
+			val y0 = y + (1f - level) * height
+
+			val tX = x + levelLabels.textGravity.repositionX(width, levelLabels.font.width(label).toFloat()) - 1f
+			val tY = y0 - LINE_WIDTH - 1f - levelLabels.font.lineHeight + levelLabels.textGravity.repositionY(levelLabels.font.lineHeight * 2f + LINE_WIDTH + 2f, levelLabels.font.lineHeight.toFloat()) + 1f
+
+			levelLabels.font.draw(
+				poseStack,
+				label,
+				x = tX,
+				y = tY,
+				color = levelLabels.textColor,
+				drawOutline = true,
+				outlineZ = -1f,
+				outlineColor = levelLabels.textOutline
+			)
+		}
+	}
+
 	if (drawLabel != -1) {
 		renderRect(pose, drawPointX - LINE_WIDTH / 2f, y, LINE_WIDTH, height, color = labels!!.pillarColor)
 		renderRect(pose, drawPointX - HIGHLIGHT_WIDTH / 2f, drawPointY - HIGHLIGHT_WIDTH / 2f, HIGHLIGHT_WIDTH, HIGHLIGHT_WIDTH, color = labels.color)

src/main/kotlin/ru/dbotthepony/mc/otm/client/render/FontRendering.kt

@@ -189,8 +189,8 @@ private fun Font.drawInternal(
 		for ((_x, _y) in outlinePositions) {
 			drawInBatch(
 				text,
-				x * inv + _x,
+				(x + _x) * inv,
-				y * inv + _y,
+				(y + _y) * inv,
 				outlineColor.toBGR(),
 				drawShadow,
 				poseStack.last().pose(),
@@ -251,7 +251,7 @@ fun Font.draw(
 	rounding: GravityRounding = if (scale == 1f) GravityRounding.DEFAULT else GravityRounding.NO,
 	drawOutline: Boolean = false,
 	outlineColor: RGBAColor = RGBAColor.BLACK,
-	outlineZ: Float = 0.1f,
+	outlineZ: Float = -0.1f,
 ): Float {
 	return drawInternal(
 		poseStack = poseStack,
@@ -294,7 +294,7 @@ data class TextIcon(
 	val customShadow: Boolean = false,
 	val drawOutline: Boolean = false,
 	val outlineColor: RGBAColor = RGBAColor.BLACK,
-	val outlineZ: Float = 0.1f,
+	val outlineZ: Float = -0.1f,
 ) : IGUIRenderable {
 	override val width: Float = font.width(text) * scale
 	override val height: Float = font.lineHeight * scale
@@ -352,7 +352,7 @@ fun Font.draw(
 	rounding: GravityRounding = if (scale == 1f) GravityRounding.DEFAULT else GravityRounding.NO,
 	drawOutline: Boolean = false,
 	outlineColor: RGBAColor = RGBAColor.BLACK,
-	outlineZ: Float = 0.1f,
+	outlineZ: Float = -0.1f,
 ): Float {
 	return drawInternal(
 		poseStack = poseStack,
@@ -400,7 +400,7 @@ fun Font.draw(
 	rounding: GravityRounding = if (scale == 1f) GravityRounding.DEFAULT else GravityRounding.NO,
 	drawOutline: Boolean = false,
 	outlineColor: RGBAColor = RGBAColor.BLACK,
-	outlineZ: Float = 0.1f,
+	outlineZ: Float = -0.1f,
 ): Float {
 	return drawInternal(
 		poseStack = poseStack,

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

@@ -1,7 +1,9 @@
 package ru.dbotthepony.mc.otm.client.screen.panels
 
+import it.unimi.dsi.fastutil.floats.Float2ObjectArrayMap
 import net.minecraft.network.chat.Component
 import ru.dbotthepony.kommons.math.RGBAColor
+import ru.dbotthepony.mc.otm.client.render.ChartLevelLabels
 import ru.dbotthepony.mc.otm.client.render.ChartMouseLabels
 import ru.dbotthepony.mc.otm.client.render.MGUIGraphics
 import ru.dbotthepony.mc.otm.client.render.renderChart
@@ -23,13 +25,31 @@ open class DecimalHistoryChartPanel<out S : MatteryScreen<*>>(
 	override fun innerRender(graphics: MGUIGraphics, mouseX: Float, mouseY: Float, partialTick: Float) {
 		val maximum = graph.max()
 		val normalized: FloatArray
+		val levelLabels: ChartLevelLabels
 
 		if (maximum.isZero || maximum.isInfinite) {
 			normalized = FloatArray(graph.width) {
 				if (graph[it].isInfinite) 0.8f else 0.0f
 			}
+
+			levelLabels = ChartLevelLabels(
+				labels = mapOf(0.8f to formatText(maximum)),
+				font = font
+			)
 		} else {
 			normalized = FloatArray(graph.width) { (graph[it] / maximum).toFloat() * 0.9f }
+
+			val map = Float2ObjectArrayMap<Component>()
+
+			map[0.9f] = formatText(maximum)
+			map[0.9f * 0.75f] = formatText(maximum * 0.75)
+			map[0.9f * 0.5f] = formatText(maximum * 0.5)
+			map[0.9f * 0.25f] = formatText(maximum * 0.25)
+
+			levelLabels = ChartLevelLabels(
+				labels = map,
+				font = font
+			)
 		}
 
 		graphics.renderRect(0f, 0f, this.width, this.height, color = RGBAColor.BLACK)
@@ -44,7 +64,8 @@ open class DecimalHistoryChartPanel<out S : MatteryScreen<*>>(
 				mouseY - absoluteY,
 				{ formatText(graph[it]) },
 				font,
-			)
+			),
+			levelLabels = levelLabels
 		)
 	}