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package moe.nea.firmament.gui
import com.mojang.blaze3d.systems.RenderSystem
import io.github.notenoughupdates.moulconfig.common.MyResourceLocation
import io.github.notenoughupdates.moulconfig.common.RenderContext
import io.github.notenoughupdates.moulconfig.gui.GuiComponent
import io.github.notenoughupdates.moulconfig.gui.GuiImmediateContext
import io.github.notenoughupdates.moulconfig.observer.GetSetter
import io.github.notenoughupdates.moulconfig.platform.ModernRenderContext
import me.shedaniel.math.Color
import net.minecraft.client.gui.DrawContext
import net.minecraft.client.render.RenderLayer
import net.minecraft.util.Identifier
import moe.nea.firmament.Firmament
class BarComponent(
val progress: GetSetter<Double>, val total: GetSetter<Double>,
val fillColor: Color,
val emptyColor: Color,
) : GuiComponent() {
override fun getWidth(): Int {
return 80
}
override fun getHeight(): Int {
return 8
}
data class Texture(
val identifier: Identifier,
val u1: Float, val v1: Float,
val u2: Float, val v2: Float,
) {
fun draw(context: DrawContext, x: Int, y: Int, width: Int, height: Int, color: Color) {
context.drawTexturedQuad(
RenderLayer::getGuiTextured,
identifier,
x, y, x + width, x + height,
u1, u2, v1, v2,
color.color
)
}
}
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)
}
private fun drawSection(
context: DrawContext,
texture: Texture,
x: Int,
y: Int,
width: Int,
sectionStart: Double,
sectionEnd: Double
) {
if (sectionEnd < progress.get() && width == 4) {
texture.draw(context, x, y, 4, 8, fillColor)
return
}
if (sectionStart > progress.get() && width == 4) {
texture.draw(context, x, y, 4, 8, emptyColor)
return
}
val increasePerPixel = (sectionEnd - sectionStart) / width
var valueAtPixel = sectionStart
for (i in (0 until width)) {
val newTex =
Texture(texture.identifier, texture.u1 + i / 64F, texture.v1, texture.u1 + (i + 1) / 64F, texture.v2)
newTex.draw(
context, x + i, y, 1, 8,
if (valueAtPixel < progress.get()) fillColor else emptyColor
)
valueAtPixel += increasePerPixel
}
}
override fun render(context: GuiImmediateContext) {
val renderContext = (context.renderContext as ModernRenderContext).drawContext
var i = 0
val x = 0
val y = 0
while (i < context.width - 4) {
drawSection(
renderContext,
if (i == 0) left else middle,
x + i, y,
(context.width - (i + 4)).coerceAtMost(4),
i * total.get() / context.width, (i + 4) * total.get() / context.width
)
i += 4
}
drawSection(
renderContext,
right,
x + context.width - 4,
y,
4,
(context.width - 4) * total.get() / context.width,
total.get()
)
RenderSystem.setShaderColor(1F, 1F, 1F, 1F)
}
}
fun Identifier.toMoulConfig(): MyResourceLocation {
return MyResourceLocation(this.namespace, this.path)
}
fun RenderContext.color(color: Color) {
color(color.red, color.green, color.blue, color.alpha)
}
fun RenderContext.color(red: Int, green: Int, blue: Int, alpha: Int) {
color(red / 255f, green / 255f, blue / 255f, alpha / 255f)
}
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