1 files changed, 56 insertions, 0 deletions
diff --git a/src/main/kotlin/com/dulkirfabric/util/WorldRenderUtils.kt b/src/main/kotlin/com/dulkirfabric/util/WorldRenderUtils.kt
new file mode 100644
index 0000000..30c19c7
--- /dev/null
+++ b/src/main/kotlin/com/dulkirfabric/util/WorldRenderUtils.kt
@@ -0,0 +1,56 @@
+package com.dulkirfabric.util
+
+import com.mojang.blaze3d.platform.GlStateManager
+import com.mojang.blaze3d.systems.RenderSystem
+import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderContext
+import net.minecraft.client.render.GameRenderer
+import net.minecraft.client.render.Tessellator
+import net.minecraft.client.render.VertexFormat
+import net.minecraft.client.render.VertexFormats
+import java.awt.Color
+
+
+object WorldRenderUtils {
+    fun drawBox(
+        context: WorldRenderContext,
+        x1: Float,
+        y1: Float,
+        z1: Float,
+        x2: Float,
+        y2: Float,
+        z2: Float,
+        color: Color,
+        thickness: Float,
+        depthTest: Boolean = true
+    ) {
+        val matrices = context.matrixStack()
+        matrices.push()
+        RenderSystem.setShader(GameRenderer::getRenderTypeLinesProgram)
+        RenderSystem.enableBlend()
+        RenderSystem.blendFunc(GlStateManager.SrcFactor.SRC_ALPHA, GlStateManager.DstFactor.ONE_MINUS_SRC_ALPHA)
+        RenderSystem.lineWidth(thickness)
+        RenderSystem.setShaderColor(color.red / 255f, color.green / 255f, color.blue / 255f, color.alpha / 255f)
+        if (!depthTest) RenderSystem.disableDepthTest()
+        matrices.translate(-context.camera().pos.x, -context.camera().pos.y, -context.camera().pos.z)
+        val tess = Tessellator.getInstance()
+        val buf = tess.buffer
+        val matrix4f = matrices.peek().positionMatrix
+
+        buf.begin(VertexFormat.DrawMode.LINES, VertexFormats.POSITION_COLOR)
+        buf.fixedColor(255, 255, 255, 255)
+
+        buf.vertex(matrix4f, x1, y1, z1).next()
+        buf.vertex(matrix4f, x2, y1, z1).next()
+
+        //buf.vertex(matrix4f, x2, y2, z1).next()
+
+        buf.unfixColor()
+        tess.draw()
+
+
+        RenderSystem.enableDepthTest()
+        RenderSystem.disableBlend()
+        RenderSystem.setShaderColor(1f, 1f, 1f, 1f)
+        matrices.pop()
+    }
+}
+\ No newline at end of file