diff --git a/src/main/kotlin/org/neoflock/neocomputers/gui/render/ProgressBar.kt b/src/main/kotlin/org/neoflock/neocomputers/gui/render/ProgressBar.kt
index 8d8a5d9..ac999f6 100644
--- a/src/main/kotlin/org/neoflock/neocomputers/gui/render/ProgressBar.kt
+++ b/src/main/kotlin/org/neoflock/neocomputers/gui/render/ProgressBar.kt
@@ -4,7 +4,9 @@ import com.mojang.blaze3d.systems.RenderSystem
 import com.mojang.blaze3d.vertex.BufferBuilder
 import com.mojang.blaze3d.vertex.BufferUploader
 import com.mojang.blaze3d.vertex.DefaultVertexFormat
+import com.mojang.blaze3d.vertex.PoseStack
 import com.mojang.blaze3d.vertex.Tesselator
+import com.mojang.blaze3d.vertex.VertexConsumer
 import com.mojang.blaze3d.vertex.VertexFormat
 import net.minecraft.client.Minecraft
 import net.minecraft.client.gui.GuiGraphics
@@ -25,19 +27,17 @@ import kotlin.math.ceil
 object ProgressBar { // TODO: variable length
 
     val BAR: ResourceLocation = ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "textures/gui/bar.png")
-//    val BAROLD: ResourceLocation = ResourceLocation.fromNamespaceAndPath(NeoComputers.MODID, "textures/gui/bar_old.png")
-//    val font: Font = Minecraft.getInstance().font
 
-    fun render(guiGraphics: GuiGraphics, x: Int, y: Int, value: Long, max: Long, mouseX: Int, mouseY: Int, width: Int=142, height: Int=14, tooltipfunc: (Int) -> String?) { // NOTE: OC never uses a different width and height, changing height is not recommended
-//        RenderSystem.setShader { GameRenderer.getPositionTexShader() }
-//        RenderSystem.setShaderTexture(0, BAROLD)
-//        drawQuad(x, y, width, height, 0F, 0F, 15F, 15F)
-        renderEmptyBar(x, y, width, height)
+    // NOTE: OC never uses a different width and height, changing height is not recommended
+    fun render(guiGraphics: GuiGraphics, x: Int, y: Int, value: Long, max: Long, mouseX: Int, mouseY: Int, width: Int=142, height: Int=14, tooltipfunc: (Int) -> String?) {
+        guiGraphics.blit(BAR, x, y, 1, height, 0F, 0F, 1, 14, 3, 14)
+        guiGraphics.blit(BAR, x+1, y, width-2, height, 1F, 0F, 1, 14, 3, 14)
+        guiGraphics.blit(BAR, x+width-1, y, 1, height, 2F, 0F, 1, 14, 3, 14)
 
         val frac = value.toFloat() / max.toFloat()
         val linew = ceil(frac*(width-2).toFloat())
         guiGraphics.fill(
-            RenderType.guiOverlay(),
+            RenderType.gui(),
             x + 1,
             y + 1,
             x + 1 + (linew.toInt()),
@@ -45,29 +45,9 @@ object ProgressBar { // TODO: variable length
             0xFF66CC66.toInt()
         )
 
-        val tooltip = tooltipfunc((ceil(frac) * 100F).toInt()) ?: return
+        val tooltip = tooltipfunc((ceil(frac * 100F)).toInt()) ?: return
         if (mouseX > x && mouseX < x+width && mouseY > y && mouseY < y+height )
             guiGraphics.renderTooltip(Minecraft.getInstance().font, Component.literal(tooltip), mouseX, mouseY)
     }
 
-    private fun renderEmptyBar(x: Int, y: Int, width: Int, height: Int) {
-        RenderSystem.setShader { GameRenderer.getPositionTexShader() }
-        RenderSystem.setShaderTexture(0, BAR)
-        drawQuad(x, y, 1, height, 0F, 0F, 1F, 14F, 3F, 14F)
-        drawQuad(x+1, y, width-2, height, 1F, 0F, 2F, 14F, 3F, 14F)
-        drawQuad(x+width-1, y, 1, height, 2F, 0F, 3F, 14F, 3F, 14F)
-
-    }
-
-    private fun drawQuad(x: Int, y: Int, width: Int, height: Int, u1: Float, v1: Float, u2: Float, v2: Float, texwidth: Float=15F, texheight: Float=15F) { // this should really become a util func
-        var t: Tesselator = Tesselator.getInstance()
-        var builder: BufferBuilder = t.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_TEX)
-
-        builder.addVertex(x.toFloat(), (y+height).toFloat(), 1f).setUv(u1/texwidth, v2/texheight)
-        builder.addVertex((x+width).toFloat(), (y+height).toFloat(), 1f).setUv(u2/texwidth, v2/texheight)
-        builder.addVertex((x+width).toFloat(), y.toFloat(), 1f).setUv(u2/texwidth, v1/texheight)
-        builder.addVertex(x.toFloat(), y.toFloat(), 1f).setUv(u1/texwidth,v1/texheight)
-
-        BufferUploader.drawWithShader(builder.build()!!)
-    }
 }
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