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package moe.nea.firmament.util.render
import com.mojang.blaze3d.systems.RenderSystem
import me.shedaniel.math.Color
import org.joml.Matrix4f
import net.minecraft.client.gui.DrawContext
import moe.nea.firmament.util.MC
fun DrawContext.isUntranslatedGuiDrawContext(): Boolean {
return (matrices.peek().positionMatrix.properties() and Matrix4f.PROPERTY_IDENTITY.toInt()) != 0
}
fun DrawContext.drawLine(fromX: Int, fromY: Int, toX: Int, toY: Int, color: Color) {
// TODO: push scissors
// TODO: use matrix translations and a different render layer
if (toY < fromY) {
drawLine(toX, toY, fromX, fromY, color)
return
}
RenderSystem.lineWidth(MC.window.scaleFactor.toFloat())
val buf = this.vertexConsumers.getBuffer(RenderInWorldContext.RenderLayers.LINES)
buf.vertex(fromX.toFloat(), fromY.toFloat(), 0F).color(color.color)
.normal(toX - fromX.toFloat(), toY - fromY.toFloat(), 0F)
buf.vertex(toX.toFloat(), toY.toFloat(), 0F).color(color.color)
.normal(toX - fromX.toFloat(), toY - fromY.toFloat(), 0F)
this.draw()
}
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