From 44f1791b9893facc2129a6daa31b4b822e8c2641 Mon Sep 17 00:00:00 2001
From: Nick <nicholasconnors@hotmail.ca>
Date: Mon, 27 Jun 2022 21:57:29 -0400
Subject: [PATCH] Allow using more than 65535 vertices in CubeSphere and
 IcoSphere

---
 NewHorizons/Builder/Body/Geometry/CubeSphere.cs | 13 ++++++-------
 NewHorizons/Builder/Body/Geometry/Icosphere.cs  | 11 ++++++++---
 NewHorizons/Builder/Body/HeightMapBuilder.cs    |  3 +--
 NewHorizons/Handlers/PlanetCreationHandler.cs   |  2 +-
 NewHorizons/Handlers/TitleSceneHandler.cs       |  2 +-
 5 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/NewHorizons/Builder/Body/Geometry/CubeSphere.cs b/NewHorizons/Builder/Body/Geometry/CubeSphere.cs
index f2c97b8d..31ac6752 100644
--- a/NewHorizons/Builder/Body/Geometry/CubeSphere.cs
+++ b/NewHorizons/Builder/Body/Geometry/CubeSphere.cs
@@ -7,13 +7,6 @@ namespace NewHorizons.Builder.Body.Geometry
     {
         public static Mesh Build(int resolution, Texture2D heightMap, float minHeight, float maxHeight, Vector3 stretch)
         {
-            // It breaks if resolution is greater than 100 I don't know why
-            if (resolution > 100)
-            {
-                Logger.LogWarning($"Can't make CubeSphere's with resolution higher than 100 for some reason");
-                resolution = 100;
-            }
-
             Mesh mesh = new Mesh();
             mesh.name = "CubeSphere";
 
@@ -109,6 +102,12 @@ namespace NewHorizons.Builder.Body.Geometry
                 }
             }
 
+            // Higher than this and we have to use a different indexFormat
+            if (vertices.Length > 65535)
+            {
+                mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
+            }
+
             mesh.vertices = vertices;
             mesh.normals = normals;
             mesh.uv = uvs;
diff --git a/NewHorizons/Builder/Body/Geometry/Icosphere.cs b/NewHorizons/Builder/Body/Geometry/Icosphere.cs
index 67b634b7..0fcbb60c 100644
--- a/NewHorizons/Builder/Body/Geometry/Icosphere.cs
+++ b/NewHorizons/Builder/Body/Geometry/Icosphere.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using UnityEngine;
 using Random = UnityEngine.Random;
@@ -60,8 +60,7 @@ namespace NewHorizons.Builder.Body.Geometry
         {
             Mesh mesh = new Mesh();
 
-            if (vertices.Count <= subdivisions)
-                RefineFaces(subdivisions);
+            if (vertices.Count <= subdivisions) RefineFaces(subdivisions);
 
             var verticesToCopy = vertices[subdivisions];
 
@@ -89,6 +88,12 @@ namespace NewHorizons.Builder.Body.Geometry
                 uvs[i] = new Vector2(x, y);
             }
 
+            // Higher than this and we have to use a different indexFormat
+            if (newVertices.Length > 65535)
+            {
+                mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
+            }
+
             mesh.vertices = newVertices;
             mesh.triangles = triangles[subdivisions];
             mesh.normals = normals;
diff --git a/NewHorizons/Builder/Body/HeightMapBuilder.cs b/NewHorizons/Builder/Body/HeightMapBuilder.cs
index 955b68e4..2c09240e 100644
--- a/NewHorizons/Builder/Body/HeightMapBuilder.cs
+++ b/NewHorizons/Builder/Body/HeightMapBuilder.cs
@@ -5,14 +5,13 @@ using OWML.Common;
 using System;
 using UnityEngine;
 using Logger = NewHorizons.Utility.Logger;
-using Object = UnityEngine.Object;
 namespace NewHorizons.Builder.Body
 {
     public static class HeightMapBuilder
     {
         public static Shader PlanetShader;
 
-        public static void Make(GameObject planetGO, Sector sector, HeightMapModule module, IModBehaviour mod, int resolution = 51)
+        public static void Make(GameObject planetGO, Sector sector, HeightMapModule module, IModBehaviour mod, int resolution)
         {
             var deleteHeightmapFlag = false;
 
diff --git a/NewHorizons/Handlers/PlanetCreationHandler.cs b/NewHorizons/Handlers/PlanetCreationHandler.cs
index 8ca8f61d..003cbe4e 100644
--- a/NewHorizons/Handlers/PlanetCreationHandler.cs
+++ b/NewHorizons/Handlers/PlanetCreationHandler.cs
@@ -387,7 +387,7 @@ namespace NewHorizons.Handlers
 
             if (body.Config.HeightMap != null)
             {
-                HeightMapBuilder.Make(go, sector, body.Config.HeightMap, body.Mod);
+                HeightMapBuilder.Make(go, sector, body.Config.HeightMap, body.Mod, 51);
             }
 
             if (body.Config.ProcGen != null)
diff --git a/NewHorizons/Handlers/TitleSceneHandler.cs b/NewHorizons/Handlers/TitleSceneHandler.cs
index ebbb4043..52b82def 100644
--- a/NewHorizons/Handlers/TitleSceneHandler.cs
+++ b/NewHorizons/Handlers/TitleSceneHandler.cs
@@ -96,7 +96,7 @@ namespace NewHorizons.Handlers
                 heightMap.textureMap = body.Config.Atmosphere.clouds.texturePath;
             }
 
-            HeightMapBuilder.Make(titleScreenGO, null, heightMap, body.Mod);
+            HeightMapBuilder.Make(titleScreenGO, null, heightMap, body.Mod, 30);
 
             GameObject pivot = GameObject.Instantiate(SearchUtilities.Find("Scene/Background/PlanetPivot"), SearchUtilities.Find("Scene/Background").transform);
             pivot.GetComponent<RotateTransform>()._degreesPerSecond = 10f;