ASMR/src/main/kotlin/net/shadowfacts/cacao/util/RenderHelper.kt

49 lines
1.2 KiB
Kotlin

package net.shadowfacts.cacao.util
import com.mojang.blaze3d.platform.GlStateManager
import net.minecraft.client.gui.DrawableHelper
import net.shadowfacts.cacao.geometry.Rect
/**
* Helper methods for rendering using Minecraft's utilities from Cacao views.
* For unit testing, all drawing and OpenGL interaction can be disabled by setting the `cacao.drawing.disabled` JVM property to `true`.
*
* @author shadowfacts
*/
object RenderHelper {
private val disabled = (System.getProperty("cacao.drawing.disabled") ?: "false").toBoolean()
/**
* Draws a solid [rect] filled with the given [color].
*/
fun fill(rect: Rect, color: Color) {
if (disabled) return
DrawableHelper.fill(rect.left.toInt(), rect.top.toInt(), rect.right.toInt(), rect.bottom.toInt(), color.argb)
}
/**
* @see org.lwjgl.opengl.GL11.glPushMatrix
*/
fun pushMatrix() {
if (disabled) return
GlStateManager.pushMatrix()
}
/**
* @see org.lwjgl.opengl.GL11.glPopMatrix
*/
fun popMatrix() {
if (disabled) return
GlStateManager.popMatrix()
}
/**
* @see org.lwjgl.opengl.GL11.glTranslated
*/
fun translate(x: Double, y: Double, z: Double = 0.0) {
if (disabled) return
GlStateManager.translated(x, y, z)
}
}