1 files changed, 89 insertions, 0 deletions
diff --git a/src/main/kotlin/gui/ChatUi.kt b/src/main/kotlin/gui/ChatUi.kt
new file mode 100644
index 0000000..0ec3063
--- /dev/null
+++ b/src/main/kotlin/gui/ChatUi.kt
@@ -0,0 +1,89 @@
+package moe.nea.ultranotifier.gui
+
+import gg.essential.universal.UGraphics
+import gg.essential.universal.UMatrixStack
+import moe.nea.ultranotifier.util.minecrat.MC
+import moe.nea.ultranotifier.util.minecrat.accessor
+import moe.nea.ultranotifier.util.render.ScreenRenderUtils
+import net.minecraft.client.gui.screen.ChatScreen
+import java.awt.Color
+
+class ChatUi(val chatScreen: ChatScreen) {
+
+	fun getChatBgOpacity(opacityMultiplier: Double = 1.0): Color {
+		return Color((MC.instance.options.textBackgroundOpacity.value * opacityMultiplier * 255).toInt() shl 24, true)
+	}
+
+	fun calculateChatTop(): Double {
+		val ch = MC.chatHud
+		ch.accessor()
+		val chatOffset =
+			40
+		val chatTop =
+			(chatScreen.height - chatOffset) / ch.chatScale - ch.visibleLineCount * ch.lineHeight_ultranotifier
+		return chatTop
+	}
+
+	var selectedTab = "Bazaar"
+	fun iterateButtons(
+		onEach: (
+			label: String,
+			isSelected: Boolean,
+			pos: Rect,
+		) -> Unit
+	) {
+		val chatTop = calculateChatTop()
+		var xOffset = 5
+		val top = chatTop - 16.0
+		for (button in listOf("Socials", "Bazaar", "Slayer", "Guild", "Party", "Dungeon", "Fishing","Socials", "Bazaar", "Slayer", "Guild", "Party", "Dungeon", "Fishing")) {
+			val w = ScreenRenderUtils.getTextWidth(button) + 3
+			val isSelected = button == selectedTab
+			onEach(button, isSelected, Rect(xOffset.toDouble(), top, w.toDouble(), 16.0))
+			xOffset += w + 5
+		}
+	}
+
+	data class Rect(
+		val x: Double, val y: Double,
+		val w: Double, val h: Double,
+	) {
+		fun contains(mouseX: Double, mouseY: Double): Boolean {
+			return mouseX in (l..<r) && mouseY in (t..<b)
+		}
+
+		val l get() = x
+		val t get() = y
+		val r get() = x + w
+		val b get() = y + h
+		val cy get() = y + h / 2
+		val cx get() = x + w / 2
+	}
+
+	fun renderButtons(
+		matrixStack: UMatrixStack,
+		mouseX: Double, mouseY: Double,
+	) {
+		iterateButtons { text, isSelected, pos ->
+			val w = ScreenRenderUtils.getTextWidth(text)
+			UGraphics.enableBlend()
+			ScreenRenderUtils.fillRect(matrixStack,
+			                           pos.l, pos.t, pos.r, pos.b,
+			                           if (isSelected) getChatBgOpacity() else getChatBgOpacity(0.75))
+			UGraphics.disableBlend()
+			ScreenRenderUtils.renderText(matrixStack,
+			                             pos.l + 2, pos.cy - 9 / 2,
+			                             if (isSelected) "§a$text" else "§f$text")
+		}
+	}
+
+	fun clickMouse(mouseX: Double, mouseY: Double, button: Int) {
+		iterateButtons { label, isSelected, pos ->
+			if (pos.contains(mouseX, mouseY)) {
+				if (button == 0) {
+					selectedTab = label
+				}
+				// TODO: right click options or something
+			}
+		}
+	}
+}