aboutsummaryrefslogtreecommitdiff
path: root/src/main/kotlin/util/render/TranslatedScissors.kt
blob: 70565edb30cab5b27aa10caca069bdf67b32ec2a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
package moe.nea.firmament.util.render

import org.joml.Vector3f
import org.joml.Vector4f
import net.minecraft.client.gui.DrawContext

fun DrawContext.enableScissorWithTranslation(x1: Float, y1: Float, x2: Float, y2: Float) {
	enableScissor(x1.toInt(), y1.toInt(), x2.toInt(), y2.toInt())
}

fun DrawContext.enableScissorWithoutTranslation(x1: Float, y1: Float, x2: Float, y2: Float) {
	val pMat = matrices.invert()
	var target = Vector3f()

	target.set(x1, y1, 0f)
	target.mul(pMat)
	val scissorX1 = target.x
	val scissorY1 = target.y

	target.set(x2, y2, 0f)
	target.mul(pMat)
	val scissorX2 = target.x
	val scissorY2 = target.y

	enableScissor(scissorX1.toInt(), scissorY1.toInt(), scissorX2.toInt(), scissorY2.toInt())
}