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/*
* SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
package moe.nea.firmament.gui
import com.mojang.blaze3d.systems.RenderSystem
import io.github.cottonmc.cotton.gui.client.ScreenDrawing
import io.github.cottonmc.cotton.gui.widget.WWidget
import io.github.cottonmc.cotton.gui.widget.data.Texture
import me.shedaniel.math.Color
import net.minecraft.client.gui.DrawContext
import moe.nea.firmament.Firmament
open class WBar(
var progress: Double,
var total: Double,
val fillColor: Color,
val emptyColor: Color = fillColor.darker(2.0),
) : WWidget() {
companion object {
val resource = Firmament.identifier("textures/gui/bar.png")
val left = Texture(resource, 0 / 64F, 0 / 64F, 4 / 64F, 8 / 64F)
val middle = Texture(resource, 4 / 64F, 0 / 64F, 8 / 64F, 8 / 64F)
val right = Texture(resource, 8 / 64F, 0 / 64F, 12 / 64F, 8 / 64F)
val segmentOverlay = Texture(resource, 12 / 64F, 0 / 64F, 15 / 64F, 8 / 64F)
}
override fun canResize(): Boolean {
return true
}
private fun drawSection(
context: DrawContext,
texture: Texture,
x: Int,
y: Int,
width: Int,
sectionStart: Double,
sectionEnd: Double
) {
if (sectionEnd < progress && width == 4) {
ScreenDrawing.texturedRect(context, x, y, 4, 8, texture, fillColor.color)
return
}
if (sectionStart > progress && width == 4) {
ScreenDrawing.texturedRect(context, x, y, 4, 8, texture, emptyColor.color)
return
}
val increasePerPixel = (sectionEnd - sectionStart / 4)
var valueAtPixel = sectionStart
for (i in (0 until width)) {
ScreenDrawing.texturedRect(
context, x + i, y, 1, 8,
texture.image, texture.u1 + i / 64F, texture.v1, texture.u1 + (i + 1) / 64F, texture.v2,
if (valueAtPixel < progress) fillColor.color else emptyColor.color
)
valueAtPixel += increasePerPixel
}
}
override fun paint(context: DrawContext, x: Int, y: Int, mouseX: Int, mouseY: Int) {
var i = 0
while (i < width - 4) {
drawSection(
context,
if (i == 0) left else middle,
x + i, y,
(width - (i + 4)).coerceAtMost(4),
i * total / width, (i + 4) * total / width
)
i += 4
}
drawSection(context, right, x + width - 4, y, 4, (width - 4) * total / width, total)
RenderSystem.setShaderColor(1F, 1F, 1F, 1F)
}
}
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