readme update

PlanetLow.mtl

@@ -1,2 +0,0 @@
-# Blender 5.0.1 MTL File: 'None'
-# www.blender.org

README.md

@@ -1,5 +1,9 @@
 # Adatonics
-![Planet View](.forgejo/planet.png?raw=true)
+![Plates View](.forgejo/01plates.png?raw=true)
+![Oceans View](.forgejo/02oceans.png?raw=true)
+![Stresses View](.forgejo/03stresses.png?raw=true)
+![Planet View](.forgejo/04planet.png?raw=true)
+![Time View](.forgejo/time.png?raw=true)
 ![Projection View](.forgejo/projection.png?raw=true)  
 Planet generation with simple plate tectonics.
 

adatonic.sln.DotSettings.user

@@ -1,6 +1,8 @@
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project.godot

@@ -50,5 +50,3 @@ mouse_secondary={
 [rendering]
 
 rendering_device/driver.windows="d3d12"
-renderer/rendering_method="gl_compatibility"
-renderer/rendering_method.mobile="gl_compatibility"

shaders/compute/PlateExpansion.glsl

@@ -0,0 +1,40 @@
+#[compute]
+#version 450
+// Invocations in the (x, y, z) dimension
+layout(local_size_x = 25, local_size_y = 1, local_size_z = 1) in;
+
+// A binding to the buffer we create in our script
+layout(set = 0, binding = 0, std430) restrict buffer PointBuffer {
+	int points[];
+}
+pointbuffer;
+layout(set = 0, binding = 1, std430) restrict buffer NeighborBuffer {
+	int neighbors[];
+}
+neighborbuffer;
+layout(set = 0, binding = 2, std430) restrict buffer PlateBuffer {
+	int plateid[];
+}
+platebuffer;
+
+// The code we want to execute in each invocation
+void main() {
+	// Iteration is gl_GlobalInvocationID.x
+	// Neighbors for Point gl_GlobalInvocationID.y
+	for (int point = 0; point < int(gl_WorkGroupSize.x); point++)
+	{
+		int localpoint =  int(gl_WorkGroupID.x)*int(gl_WorkGroupSize.x) + point;
+		for (int neighbor = 0; neighbor < 6; neighbor++) {
+			if (neighborbuffer.neighbors[localpoint*6+neighbor] == -1)
+			{
+				continue;
+			}
+			if (platebuffer.plateid[localpoint] != -1 && platebuffer.plateid[neighborbuffer.neighbors[localpoint*6+neighbor]] == -1)
+			{
+				// Neighbor unclaimed, and we can claim it.
+				platebuffer.plateid[neighborbuffer.neighbors[localpoint*6+neighbor]] = platebuffer.plateid[localpoint];
+			}
+		}
+	}
+	
+}

shaders/compute/PlateExpansion.glsl.import

@@ -0,0 +1,14 @@
+[remap]
+
+importer="glsl"
+type="RDShaderFile"
+uid="uid://cypd2lshixd17"
+path="res://.godot/imported/PlateExpansion.glsl-9047ef54068b6d1a50f93c2cd303b382.res"
+
+[deps]
+
+source_file="res://shaders/compute/PlateExpansion.glsl"
+dest_files=["res://.godot/imported/PlateExpansion.glsl-9047ef54068b6d1a50f93c2cd303b382.res"]
+
+[params]
+

shaders/compute/compute_example.glsl

@@ -0,0 +1,17 @@
+#[compute]
+#version 450
+
+// Invocations in the (x, y, z) dimension
+layout(local_size_x = 2, local_size_y = 1, local_size_z = 1) in;
+
+// A binding to the buffer we create in our script
+layout(set = 0, binding = 0, std430) restrict buffer MyDataBuffer {
+	float data[];
+}
+my_data_buffer;
+
+// The code we want to execute in each invocation
+void main() {
+	// gl_GlobalInvocationID.x uniquely identifies this invocation across all work groups
+	my_data_buffer.data[gl_GlobalInvocationID.x] *= 2.0;
+}

shaders/compute/compute_example.glsl.import

@@ -0,0 +1,14 @@
+[remap]
+
+importer="glsl"
+type="RDShaderFile"
+uid="uid://du2kf2vmf800w"
+path="res://.godot/imported/compute_example.glsl-3f04b63d0b43774004ed10776fd05117.res"
+
+[deps]
+
+source_file="res://shaders/compute/compute_example.glsl"
+dest_files=["res://.godot/imported/compute_example.glsl-3f04b63d0b43774004ed10776fd05117.res"]
+
+[params]
+

src/Main.cs

@@ -1,10 +1,13 @@
 #nullable enable
 using Godot;
 using System;
+using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Threading.Tasks;
 using Godot.Collections;
+using Array = System.Array;
 
 public partial class Main : Control
 {
@@ -39,6 +42,43 @@ public partial class Main : Control
         Projector.GatherPoints(_planetHelper, int.Parse(GetNode<LineEdit>("%Resolution").Text));
         AxialTiltChanged(GetNode<LineEdit>("%AxialTilt").Text);
         UpdateTime();
+
+        _planetHelper.InitializeGeneration();
+        _planetHelper.Plates[0].Color = _planetHelper.GetInitialColor(true);
+        //_planetHelper.Plates[1].Color = _planetHelper.GetInitialColor(true);
+        //_planetHelper.Plates[2].Color = _planetHelper.GetInitialColor(false);
+        //_planetHelper.Plates[3].Color = _planetHelper.GetInitialColor(false);
+        
+        // for (int i = 0; i < 1; i++)
+        // {
+        //     for (int point = 0; point < points.Length; point++)
+        //     {
+        //         for (int neighbor = 0; neighbor < 6; neighbor++)
+        //         {
+        //             if (neighbors[point * 6 + neighbor] == -1)
+        //             {
+        //                 continue;
+        //             }
+        //
+        //             int x = plateids[point];
+        //             int y = neighbors[point * 6 + neighbor];
+        //             int z = plateids[y];
+        //             if (x != -1 && z == -1)
+        //             {
+        //                 // Neighbor unclaimed, and we can claim it.
+        //                 plateids[neighbors[point * 6 +neighbor]] = plateids[point];
+        //             }
+        //         }
+        //     }
+        // }
+        // int index = 0;
+        // foreach (int plate in plateids)
+        // {
+        //     if (plate != -1)
+        //         _planetHelper.Mdt.SetVertexColor(index, _planetHelper.Plates[plate].Color);
+        //     index++;
+        // }
+        // _planetHelper.UpdateMesh();
     }
     
     Vector3 _pointerPosition = Vector3.Zero;

src/Oct.cs

@@ -139,6 +139,10 @@ public class Oct
     }
     public bool IsInside(Vector3 position)
     {
-        return position > Start && position < Start + Extent;
+        Vector3 max = Start + Extent;
+
+        return position.X >= Start.X && position.X <= max.X &&
+               position.Y >= Start.Y && position.Y <= max.Y &&
+               position.Z >= Start.Z && position.Z <= max.Z;
     }
 }

src/PlanetHelper.cs

@@ -56,7 +56,7 @@ public class PlanetHelper
     }
 
     private bool StageComplete = true;
-    private int _plateCount = 14;
+    private int _plateCount = 12;
     private float _landRatio = 0.4f;
     
     public List<PlateData> Plates = new List<PlateData>();
@@ -101,6 +101,9 @@ public class PlanetHelper
     public Oct Octree = new Oct();
 
     private Curve _remapCurve;
+    private RenderingDevice _rd;
+    private Rid _shader;
+
     public PlanetHelper(MeshInstance3D meshInstance, TextureRect textureRect, Curve remapCurve)
     {
         _meshInstance = meshInstance;
@@ -132,6 +135,11 @@ public class PlanetHelper
             textureShaderMaterial.SetShaderParameter("mode", 1);
         }
         UpdateMesh();
+        
+        _rd = RenderingServer.CreateLocalRenderingDevice();
+        var shaderFile = GD.Load<RDShaderFile>("res://shaders/compute/PlateExpansion.glsl");
+        var shaderBytecode = shaderFile.GetSpirV();
+        _shader = _rd.ShaderCreateFromSpirV(shaderBytecode);
     }
     
     public void InitializeGeneration()
@@ -156,7 +164,6 @@ public class PlanetHelper
             VertexData vertex = Vertices.Where(v => v.PlateId == -1).OrderBy(v => Guid.NewGuid()).First();
             vertex.PlateId = i;
             var color = new Color(RandF(0f, 1f), RandF(0f, 1f), RandF(0f, 1f));
-            ColorVertex(vertex.Id, color);
             PlateData plate = new PlateData(i, color,  false, [vertex.Id]);
             
             plate.MovementAxis = GetRandomVector3();
@@ -168,7 +175,7 @@ public class PlanetHelper
     
     public IEnumerable<int> GetNeighboringVertices(int vertexId, bool blackOnly = true)
     {
-        if (Stage != GenerationStage.Initialization)
+        if (Stage != GenerationStage.Initialization && Stage != GenerationStage.NotStarted)
         {
             if (blackOnly)
                 return Vertices[vertexId].Neighbours.Where(n => Vertices[n].PlateId == -1);
@@ -296,34 +303,85 @@ public class PlanetHelper
 
     public void PlateGeneration()
     {
-        var availableVerts = Vertices.Where(d => d.StageComplete == false && d.PlateId != -1).OrderBy(v => Guid.NewGuid()).ToList();
-        foreach (PlateData plateData in Plates)
+        // Prepare our data. We use floats in the shader, so we need 32 bit.
+        int[] points = Enumerable.Range(0, Mdt.GetVertexCount()).ToArray();
+        var sizePoints = points.Length * sizeof(int);
+        
+        int[] neighbors = Vertices.SelectMany(v => v.Neighbours.Count < 6 ? [..v.Neighbours.ToArray(),-1] : v.Neighbours.ToArray()).ToArray();
+        var sizeNeighbors = neighbors.Length * sizeof(int);
+        int[] plateids = Vertices.Select(v => v.PlateId).ToArray();
+        
+        var sizePlateids = plateids.Length * sizeof(int);
+
+        var pointBytes = new byte[sizePoints];
+        byte[] neighborBytes = new byte[sizeNeighbors];
+        var plateBytes = new byte[sizePlateids];
+        Buffer.BlockCopy(points, 0, pointBytes, 0, pointBytes.Length);
+        Buffer.BlockCopy(neighbors, 0, neighborBytes, 0, neighborBytes.Length);
+        Buffer.BlockCopy(plateids, 0, plateBytes, 0, plateBytes.Length);
+        
+        // Create a uniform to assign the buffer to the rendering device
+        var pointUniform = new RDUniform
         {
-            var plateVerts = availableVerts.Where(d => d.PlateId == plateData.Id);
-            foreach (VertexData vertexData in plateVerts.Take((int)((5 + plateVerts.Count() / 4) * plateData.PlateExpansion)))
+            UniformType = RenderingDevice.UniformType.StorageBuffer,
+            Binding = 0
+        };
+        var pointBuffer = _rd.StorageBufferCreate((uint)pointBytes.Length, pointBytes);
+        pointUniform.AddId(pointBuffer);
+        
+        var neighborUniform = new RDUniform
         {
-                int expandTo = GetFreeNeighbourIndex(vertexData);
-                if (expandTo != -1)
+            UniformType = RenderingDevice.UniformType.StorageBuffer,
+            Binding = 1
+        };
+        var neighborBuffer = _rd.StorageBufferCreate((uint)neighborBytes.Length, neighborBytes);
+        neighborUniform.AddId(neighborBuffer);
+        
+        var plateUniform = new RDUniform
         {
-                    Vertices[expandTo].PlateId = plateData.Id;
-                    plateData.Vertices.Add(expandTo);
-                    ColorVertex(expandTo, plateData.Color);
-                }
-                else
-                {
-                    vertexData.StageComplete = true;
-                }
+            UniformType = RenderingDevice.UniformType.StorageBuffer,
+            Binding = 2
+        };
+        var plateBuffer = _rd.StorageBufferCreate((uint)plateBytes.Length, plateBytes);
+        plateUniform.AddId(plateBuffer);
+        
+        var uniformSet = _rd.UniformSetCreate([pointUniform, neighborUniform, plateUniform], _shader, 0);
+        
+        // Create a compute pipeline
+        var pipeline = _rd.ComputePipelineCreate(_shader);
+        var computeList = _rd.ComputeListBegin();
+        _rd.ComputeListBindComputePipeline(computeList, pipeline);
+        _rd.ComputeListBindUniformSet(computeList, uniformSet, 0);
+        uint xgroups = (uint)(Mathf.Ceil((double)points.Length / 25.0));
+        _rd.ComputeListDispatch(computeList, xGroups: xgroups, yGroups: 50, zGroups: 1);
+        _rd.ComputeListEnd();
+        _rd.Submit();
+        _rd.Sync();
+        // Read back the data from the buffers
+        var outputBytes = _rd.BufferGetData(plateBuffer);
+        var output = new int[plateids.Length];
+        Buffer.BlockCopy(outputBytes, 0, output, 0, plateBytes.Length);
+        
+        int index = 0;
+        foreach (int plate in output)
+        {
+            if (plate != -1)
+            {
+                Mdt.SetVertexColor(index, Plates[plate].Color);
+                Vertices[index].PlateId = plate;
             }
+            index++;
         }
         
-        if (!availableVerts.Any())
-        {
-            foreach (VertexData vertexData in Vertices)
-                vertexData.StageComplete = false;
+        _rd.FreeRid(pipeline);
+        _rd.FreeRid(uniformSet);
+        _rd.FreeRid(pointBuffer);
+        _rd.FreeRid(plateBuffer);
+        _rd.FreeRid(neighborBuffer);
+        
         AssignOceanPlates(Plates);
         CompleteStage();
     }
-    }
     public void BorderSearch()
     {
         var availableVerts = Vertices.Where(d => d.StageComplete == false).Take(2500).ToList();