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package com.dulkirfabric.features
import com.dulkirfabric.DulkirModFabric.mc
import com.dulkirfabric.config.DulkirConfig
import com.dulkirfabric.events.ClientTickEvent
import com.dulkirfabric.events.MouseScrollEvent
import com.dulkirfabric.events.TooltipRenderChangeEvent
import meteordevelopment.orbit.EventHandler
import net.minecraft.client.MinecraftClient
import net.minecraft.client.util.InputUtil
import net.minecraft.client.util.math.MatrixStack
import org.joml.Vector2i
import org.joml.Vector2ic
import org.lwjgl.glfw.GLFW
import kotlin.math.max
object TooltipImpl {
private var scaleBuffer = DulkirConfig.configOptions.tooltipScale
private var horizontalBuffer = 0.0
private var verticalBuffer = 0.0
private var tickScale = 0f
private var tickHorizontal = 0
private var tickVertical = 0
private var prevTickX = 0
private var prevTickY = 0
private var prevScale = DulkirConfig.configOptions.tooltipScale
private var frameScale = DulkirConfig.configOptions.tooltipScale
private var frameX = 0
private var frameY = 0
fun calculatePos(v: Vector2ic, tw: Int, th: Int, sw: Int, sh: Int): Vector2ic {
// calculate the position of the tooltip based on the scroll amount
val partialTicks = MinecraftClient.getInstance().tickDelta
var newVec = v
frameX = newVec.x() + prevTickX + ((tickHorizontal - prevTickX) * partialTicks).toInt()
frameY = newVec.y() + prevTickY + ((tickVertical - prevTickY) * partialTicks).toInt()
frameScale = prevScale + (tickScale - prevScale) * partialTicks
// Check for tooltips that go off both sides of screen
if (tw > sw) {
frameX = frameX - v.x() + 4
}
if (th > sh) {
frameY = frameY - v.y() + 4
}
return Vector2i(0,0)
}
fun applyScale(matrices: MatrixStack) {
matrices.translate(frameX.toFloat(), frameY.toFloat(), 0f)
matrices.scale(frameScale, frameScale, 1f)
}
@EventHandler
fun onTick(event: ClientTickEvent) {
// flushes the buffer to a scroll amount this tick, will be interpolated in calculatePos
prevTickX = tickHorizontal
prevTickY = tickVertical
prevScale = tickScale
tickHorizontal = horizontalBuffer.toInt()
tickVertical = verticalBuffer.toInt()
tickScale = scaleBuffer
}
@EventHandler
fun onScroll(event: MouseScrollEvent) {
// TODO: ignore input in config screen
if (event.verticalScrollAmount == 0.0) return
val handle = MinecraftClient.getInstance().window.handle
if (InputUtil.isKeyPressed(handle, GLFW.GLFW_KEY_LEFT_SHIFT)) {
horizontalBuffer += (mc.window.width / 192) * event.verticalScrollAmount
} else if (InputUtil.isKeyPressed(handle, GLFW.GLFW_KEY_LEFT_CONTROL)) {
scaleBuffer = max(.01f, scaleBuffer + .1f * event.verticalScrollAmount.toFloat())
} else {
verticalBuffer += (mc.window.height / 108) * event.verticalScrollAmount
}
}
@EventHandler
fun onChange(event: TooltipRenderChangeEvent) {
scaleBuffer = DulkirConfig.configOptions.tooltipScale
horizontalBuffer = 0.0
verticalBuffer = 0.0
tickScale = DulkirConfig.configOptions.tooltipScale
tickHorizontal = 0
tickVertical = 0
prevTickX = 0
prevTickY = 0
prevScale = DulkirConfig.configOptions.tooltipScale
}
}
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