1 files changed, 83 insertions, 0 deletions
diff --git a/src/main/java/at/hannibal2/skyhanni/utils/RenderUtils.kt b/src/main/java/at/hannibal2/skyhanni/utils/RenderUtils.kt
index 53a228625..c253c91ee 100644
--- a/src/main/java/at/hannibal2/skyhanni/utils/RenderUtils.kt
+++ b/src/main/java/at/hannibal2/skyhanni/utils/RenderUtils.kt
@@ -702,6 +702,89 @@ object RenderUtils {
         GlStateManager.popMatrix()
     }
 
+    fun LorenzRenderWorldEvent.drawSphereInWorld(
+        color: Color,
+        location: LorenzVec,
+        radius: Float,
+    ) {
+        drawSphereInWorld(color, location.x, location.y, location.z, radius)
+    }
+
+    fun LorenzRenderWorldEvent.drawSphereInWorld(
+        color: Color,
+        x: Double,
+        y: Double,
+        z: Double,
+        radius: Float,
+    ) {
+        GlStateManager.pushMatrix()
+        GL11.glNormal3f(0.0f, 1.0f, 0.0f)
+
+        GlStateManager.enableDepth()
+        GlStateManager.enableBlend()
+        GlStateManager.depthFunc(GL11.GL_LEQUAL)
+        GlStateManager.disableCull()
+        GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0)
+        GlStateManager.enableAlpha()
+        GlStateManager.disableTexture2D()
+        color.bindColor()
+
+        var x1 = x
+        var y1 = y
+        var z1 = z
+        val renderViewEntity = Minecraft.getMinecraft().renderViewEntity
+        val viewX =
+            renderViewEntity.prevPosX + (renderViewEntity.posX - renderViewEntity.prevPosX) * partialTicks.toDouble()
+        val viewY =
+            renderViewEntity.prevPosY + (renderViewEntity.posY - renderViewEntity.prevPosY) * partialTicks.toDouble()
+        val viewZ =
+            renderViewEntity.prevPosZ + (renderViewEntity.posZ - renderViewEntity.prevPosZ) * partialTicks.toDouble()
+        x1 -= viewX
+        y1 -= viewY
+        z1 -= viewZ
+
+        val tessellator = Tessellator.getInstance()
+        val worldrenderer = tessellator.worldRenderer
+        worldrenderer.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION)
+
+        val segments = 32
+
+        for (phi in 0 until segments) {
+            for (theta in 0 until segments * 2) {
+                val x2 = x1 + radius * sin(Math.PI * phi / segments) * cos(2.0 * Math.PI * theta / (segments * 2))
+                val y2 = y1 + radius * cos(Math.PI * phi / segments)
+                val z2 = z1 + radius * sin(Math.PI * phi / segments) * sin(2.0 * Math.PI * theta / (segments * 2))
+
+                val x3 = x1 + radius * sin(Math.PI * (phi + 1) / segments) * cos(2.0 * Math.PI * theta / (segments * 2))
+                val y3 = y1 + radius * cos(Math.PI * (phi + 1) / segments)
+                val z3 = z1 + radius * sin(Math.PI * (phi + 1) / segments) * sin(2.0 * Math.PI * theta / (segments * 2))
+
+                worldrenderer.pos(x2, y2, z2).endVertex()
+                worldrenderer.pos(x3, y3, z3).endVertex()
+
+                val x4 = x1 + radius * sin(Math.PI * (phi + 1) / segments) * cos(2.0 * Math.PI * (theta + 1) / (segments * 2))
+                val y4 = y1 + radius * cos(Math.PI * (phi + 1) / segments)
+                val z4 = z1 + radius * sin(Math.PI * (phi + 1) / segments) * sin(2.0 * Math.PI * (theta + 1) / (segments * 2))
+
+                val x5 = x1 + radius * sin(Math.PI * phi / segments) * cos(2.0 * Math.PI * (theta + 1) / (segments * 2))
+                val y5 = y1 + radius * cos(Math.PI * phi / segments)
+                val z5 = z1 + radius * sin(Math.PI * phi / segments) * sin(2.0 * Math.PI * (theta + 1) / (segments * 2))
+
+                worldrenderer.pos(x4, y4, z4).endVertex()
+                worldrenderer.pos(x5, y5, z5).endVertex()
+            }
+        }
+
+        tessellator.draw()
+
+        GlStateManager.enableCull()
+        GlStateManager.enableTexture2D()
+        GlStateManager.enableDepth()
+        GlStateManager.disableBlend()
+        GlStateManager.color(1.0f, 1.0f, 1.0f, 1.0f)
+        GlStateManager.popMatrix()
+    }
+
     private fun Color.bindColor() =
         GlStateManager.color(this.red / 255f, this.green / 255f, this.blue / 255f, this.alpha / 255f)