127 lines
4.1 KiB
C#
127 lines
4.1 KiB
C#
using Cysharp.Threading.Tasks;
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using UnityEngine;
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using UnityEngine.InputSystem;
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namespace DanieleMarotta.RiversongCodeShowcase
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{
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public class BuildTool : EditTool
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{
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private IPointerService _pointerService;
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private ITileSpace _tileSpace;
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private IEditToolValidatorService _validator;
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private IBuildToolPreviewManager _previewManager;
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private Directions _buildingOrientation;
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private EditToolValidationResult _validationResult;
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public BuildTool(IServiceLocator serviceLocator) : base(serviceLocator)
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{
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}
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public BuildingDefinition Building { get; set; }
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public BuildToolPreview Preview { get; private set; }
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public TileRect BuildingRect { get; private set; }
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public override UniTask InitializeAsync()
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{
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var config = ServiceLocator.GetService<GameConfig>();
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_pointerService = ServiceLocator.GetService<IPointerService>();
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_tileSpace = ServiceLocator.GetService<ITileSpace>();
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_validator = ServiceLocator.GetService<IEditToolValidatorService>();
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_previewManager = ServiceLocator.GetService<IBuildToolPreviewManager>();
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Preview = new BuildToolPreview(config.UI.BuildTool, _tileSpace);
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return UniTask.CompletedTask;
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}
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public override void OnEnabled()
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{
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base.OnEnabled();
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if (!Building)
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{
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Debug.LogError("Building not set when activating Build Tool");
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return;
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}
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Preview.PrepareForBuilding(Building);
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_buildingOrientation = Directions.North;
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}
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public override void OnDisabled()
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{
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base.OnDisabled();
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Preview.Release();
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}
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public override void Update()
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{
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base.Update();
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var pointerOnTerrain = _pointerService.TryGetPositionOnTerrain(out var position);
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var keyboard = Keyboard.current;
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if (keyboard.tKey.wasPressedThisFrame) _buildingOrientation = (Directions)(((int)_buildingOrientation + 6) % 8);
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var buildingCenter = _tileSpace.WorldToTile(position);
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BuildingRect = TileMath.GetBuildingRect(buildingCenter, _buildingOrientation, Building.Width, Building.Height);
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_validationResult = ValidatePlacement(pointerOnTerrain);
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var isValid = _validationResult == EditToolValidationResult.Success;
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AffectedTiles.Clear();
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if (pointerOnTerrain)
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{
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var highlightType = isValid ? TileHighlightType.ValidTile : TileHighlightType.InvalidTile;
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foreach (var tile in TileRange.From(BuildingRect)) AffectedTiles.Add((tile, highlightType));
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}
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Preview.Update(isValid, position, _buildingOrientation);
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if (isValid && _pointerService.TryConsumeLeftClick()) Build();
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}
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private EditToolValidationResult ValidatePlacement(bool pointerOnTerrain)
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{
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if (!pointerOnTerrain) return EditToolValidationResult.BlockedTile;
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var commonValidation = _validator.DoCommonValidation(BuildingRect, BlockReason.CannotBuild);
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if (commonValidation != EditToolValidationResult.Success) return commonValidation;
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return _validator.ValidateBuildingPlacementRules(BuildingRect, Building);
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}
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public EditToolValidationResult GetLastValidationResult()
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{
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return _validationResult;
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}
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private void Build()
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{
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_previewManager.PlayPlacementAnimationAndBuild(Preview, Building, BuildingRect, _buildingOrientation);
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}
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public override void GetDeleteGameObjectsPreviewInfo(out DeletedGameObjectsFilter filter, out TileRect rect)
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{
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if (_validationResult != EditToolValidationResult.Success)
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{
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filter = DeletedGameObjectsFilter.None;
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rect = TileRect.Empty;
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return;
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}
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filter = DeletedGameObjectsFilter.RawResources | DeletedGameObjectsFilter.ProductStacks;
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rect = BuildingRect;
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}
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}
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}
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