riversong code showcase

2026-05-21 15:52:18 +02:00
commit 4c9eea1c02
462 changed files with 23406 additions and 0 deletions
--- a/Source/Riversong/Game/WorldGen/Operations/StoneResourcesGeneratorOperation.cs
+++ b/Source/Riversong/Game/WorldGen/Operations/StoneResourcesGeneratorOperation.cs
@@ -0,0 +1,127 @@
+using System.Collections.Generic;
+using Cysharp.Threading.Tasks;
+using Unity.Mathematics;
+using Random = Unity.Mathematics.Random;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    public class StoneResourcesGeneratorOperation : IWorldGeneratorOperation
+    {
+        [InjectService]
+        private GameConfig _config;
+
+        [InjectService]
+        private ITileSpace _tileSpace;
+
+        public async UniTask Execute(World world)
+        {
+            return; // Temporarily disabled
+            
+            var blockMap = world.BlockMap;
+            var resourcesState = world.RawResources;
+
+            var config = _config.WorldGen.Stone;
+            var stoneDefinition = await config.StoneDefinition.LoadAssetAsync<ResourceNodeDefinition>();
+
+            var random = new Random((uint)world.Seed);
+            var count = random.NextInt(config.Count.x, config.Count.y + 1);
+
+            var candidates = new List<(int2, int2, Directions)>();
+            foreach (var tile in TileRange.From(1, world.Size - 2))
+                if (ValidateCandidate(world, tile, out var side, out var orientation))
+                    candidates.Add((tile, side, orientation));
+
+            var current = new List<int2>(count);
+            while (candidates.Count > 0 && current.Count < count)
+            {
+                var i = random.NextInt(candidates.Count);
+                var (tile, side, orientation) = candidates[i];
+                candidates[i] = candidates[^1];
+                candidates.RemoveAt(candidates.Count - 1);
+
+                if (TooCloseToOtherResources(tile, current, config.Spacing)) continue;
+
+                current.Add(tile);
+
+                var position = _tileSpace.TileToWorld(tile);
+                resourcesState.AddResourceNode(
+                    new ResourceNode
+                    {
+                        Id = 1 + resourcesState.Count,
+                        DefinitionId = stoneDefinition.RuntimeId,
+                        Position = position,
+                        Tile = tile,
+                        Orientation = orientation,
+                        Elevation = _config.GeneralSettings.BaseElevation
+                    });
+
+                blockMap.AddReason(tile, BlockReason.RawResource);
+                blockMap.AddReason(tile + side, BlockReason.RawResource);
+                blockMap.AddReason(tile - side, BlockReason.RawResource);
+            }
+        }
+
+        private bool ValidateCandidate(World world, int2 tile, out int2 side, out Directions orientation)
+        {
+            side = default;
+            orientation = default;
+            return world.Heightmap.GetValue(tile) == _config.GeneralSettings.BaseElevation &&
+                   !world.BlockMap.IsBlocked(tile) &&
+                   NextToCliff(world, tile, out side, out orientation);
+        }
+
+        private bool NextToCliff(World world, int2 tile, out int2 side, out Directions orientation)
+        {
+            side = new int2(0, 1);
+
+            if (NextToCliff(world, tile, new int2(1, 0), side))
+            {
+                orientation = Directions.East;
+                return true;
+            }
+
+            if (NextToCliff(world, tile, new int2(-1, 0), side))
+            {
+                orientation = Directions.West;
+                return true;
+            }
+
+            side = new int2(1, 0);
+
+            if (NextToCliff(world, tile, new int2(0, 1), side))
+            {
+                orientation = Directions.North;
+                return true;
+            }
+
+            if (NextToCliff(world, tile, new int2(0, -1), side))
+            {
+                orientation = Directions.South;
+                return true;
+            }
+
+            orientation = default;
+            return false;
+        }
+
+        private bool NextToCliff(World world, int2 bottomTile, int2 direction, int2 side)
+        {
+            var topTile = bottomTile + direction;
+            var baseElevation = _config.GeneralSettings.BaseElevation;
+
+            return world.Heightmap.GetValue(bottomTile + side) == baseElevation &&
+                   world.Heightmap.GetValue(bottomTile - side) == baseElevation &&
+                   world.Heightmap.GetValue(topTile) > baseElevation &&
+                   world.Heightmap.GetValue(topTile + side) > baseElevation &&
+                   world.Heightmap.GetValue(topTile - side) > baseElevation;
+        }
+
+        private static bool TooCloseToOtherResources(int2 tile, List<int2> alreadyPlaced, int spacing)
+        {
+            foreach (var other in alreadyPlaced)
+                if (TileMath.StepCount(tile, other) < spacing)
+                    return true;
+            return false;
+        }
+    }
+}