Implemented harmony patch for issue #26. The patch adds a post to the…

… OverlapAllAsteroidSeedsInSphere method of the vanilla procedural world generator, to allow that method to also retreive plugin asteroids

SEWorldGenPlugin/Generator/ProceduralGeneration/MyAbstractProceduralCellModule.cs

@@ -110,6 +110,30 @@ public void MarkToLoadCellsInBounds(BoundingSphereD bounds)
             m_toLoadCells.ApplyAdditions();
         }
 
+        /// <summary>
+        /// Gets all seeds within said bounds.
+        /// If a cell inside the bounds is not loaded, it will generate the seed but wont load the cell.
+        /// </summary>
+        /// <param name="bounds">Bounds to get seeds from</param>
+        /// <param name="list">List to put seeds into.</param>
+        public void GetSeedsInBounds(BoundingSphereD bounds, List<MyObjectSeed> list)
+        {
+            BoundingBoxD box = BoundingBoxD.CreateFromSphere(bounds);
+            Vector3I cellId = Vector3I.Floor(box.Min / m_cellSize);
+            for (var it = GetCellsIterator(box); it.IsValid(); it.GetNext(out cellId))
+            {
+                if (m_loadedCells.ContainsKey(cellId))
+                {
+                    m_loadedCells[cellId].GetAll(list, false);
+                }
+                else
+                {
+                    MyProceduralCell cell = GenerateCellSeeds(cellId);
+                    cell.GetAll(list);
+                }
+            }
+        }
+
         /// <summary>
         /// Gets an iterator for all Vector3I within the bounding box bbox
         /// </summary>

SEWorldGenPlugin/Generator/ProceduralGeneration/MyProceduralGeneratorComponent.cs

@@ -8,6 +8,7 @@
 using VRage.Game;
 using VRage.Game.Components;
 using VRage.Game.Entity;
+using VRageMath;
 
 namespace SEWorldGenPlugin.Generator.ProceduralGeneration
 {
@@ -221,10 +222,27 @@ private void TrackEntityWithRange(MyEntity entity, double range)
             }
         }
 
+        /// <summary>
+        /// Untracks entity
+        /// </summary>
+        /// <param name="entity"></param>
         public void UntrackEntity(MyEntity entity)
         {
             m_trackedEntities.Remove(entity);
             //TODO: Unload all objects loaded by this entity
         }
+
+        /// <summary>
+        /// Gets all seeds of cell modules in bounds
+        /// </summary>
+        /// <param name="bounds">Bounds to get seeds</param>
+        /// <param name="list">List for the seeds to be put in</param>
+        public void GetCellSeedsInBounds(BoundingSphereD bounds, List<MyObjectSeed> list)
+        {
+            foreach(var module in m_cellModules)
+            {
+                module.GetSeedsInBounds(bounds, list);
+            }
+        }
     }
 }

SEWorldGenPlugin/Patches/Patch_OverlapAllAsteroidSeedsInSphere.cs

@@ -0,0 +1,18 @@
+using HarmonyLib;
+using Sandbox.Game.World.Generator;
+using SEWorldGenPlugin.Generator.ProceduralGeneration;
+using SEWorldGenPlugin.Utilities;
+using System.Collections.Generic;
+using VRageMath;
+
+namespace SEWorldGenPlugin.Patches
+{
+    [HarmonyPatch(typeof(MyProceduralWorldGenerator), "OverlapAllAsteroidSeedsInSphere")]
+    public static class Patch_OverlapAllAsteroidSeedsInSphere
+    {
+        public static void Postfix(BoundingSphereD area, List<MyObjectSeed> list)
+        {
+            MyProceduralGeneratorComponent.Static.GetCellSeedsInBounds(area, list);
+        }
+    }
+}

SEWorldGenPlugin/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@
 // Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
 // indem Sie "*" wie unten gezeigt eingeben:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.0.5.3")]
+[assembly: AssemblyVersion("2.0.6.0")]
 [assembly: AssemblyFileVersion("1.0.0")]

SEWorldGenPlugin/SEWorldGenPlugin.csproj

@@ -220,6 +220,7 @@
     <Compile Include="ObjectBuilders\MyObjectBuilder_WorldGpsData.cs" />
     <Compile Include="ObjectBuilders\MyObjectBuilder_WorldSettings.cs" />
     <Compile Include="ObjectBuilders\MySerializableMinMax.cs" />
+    <Compile Include="Patches\Patch_OverlapAllAsteroidSeedsInSphere.cs" />
     <Compile Include="Session\IMyEntityTracker.cs" />
     <Compile Include="Session\MyAsteroidObjectsManager.cs" />
     <Compile Include="Session\MyEntityTrackerComponent.cs" />

SEWorldGenPlugin/Startup.cs

@@ -79,7 +79,9 @@ private void TryEnablePatches()
             {
                 try
                 {
+                    MyPluginLog.Log("Patching...");
                     Patch();
+                    MyPluginLog.Log("Patches applied");
                 }catch(FileNotFoundException)
                 {
                     MyPluginLog.Log("0harmony.dll not found, skipping patching.", LogLevel.WARNING);