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@ -48,6 +48,7 @@ public partial class Terrain |
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var radius = FloorToInt(drawSize / 2.0f); |
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var radius = FloorToInt(drawSize / 2.0f); |
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// Offset hover tile position by corner. |
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// Offset hover tile position by corner. |
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// FIXME: This causes FLATTEN to calculate the wrong height in some cases. |
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if (isEven) hover.Position = hover.Corner switch { |
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if (isEven) hover.Position = hover.Corner switch { |
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Corner.TopLeft => hover.Position.Offset(0, 0), |
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Corner.TopLeft => hover.Position.Offset(0, 0), |
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Corner.TopRight => hover.Position.Offset(1, 0), |
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Corner.TopRight => hover.Position.Offset(1, 0), |
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@ -73,30 +74,51 @@ public partial class Terrain |
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center.DistanceSquaredTo(tile.ToCenter()) < distanceSqr); |
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center.DistanceSquaredTo(tile.ToCenter()) < distanceSqr); |
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} |
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} |
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// TODO: Handle different tool modes, such as painting. |
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// TODO: Allow click-dragging which doesn't affect already changed tiles / corners. |
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// TODO: Allow click-dragging which doesn't affect already changed tiles / corners. |
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// TODO: Use ArrayMesh instead of ImmediateMesh. |
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// TODO: Use ArrayMesh instead of ImmediateMesh. |
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// TODO: Dynamically expand terrain instead of having it be a set size. |
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// TODO: Dynamically expand terrain instead of having it be a set size. |
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// Holds onto all the tiles and which of their corners corners will be affected by this edit operation. |
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// Holds onto all the tiles and which of their corners corners will be affected by this edit operation. |
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var tilesToChange = new Dictionary<TilePos, Corners<bool>>(); |
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var tilesToChange = new Dictionary<TilePos, Corners<bool>>(); |
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ref Corners<bool> GetTileToChange(TilePos position) |
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// Don't look at this black magic. The Dictionary type should have this by default I swear! |
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// Don't look at this black magic. The Dictionary type should have this by default I swear! |
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// Basically, this returns a reference to an entry in the dictionary that can be modified directly. |
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=> ref CollectionsMarshal.GetValueRefOrAddDefault(tilesToChange, position, out _dummy); |
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ref Corners<bool> Tile(TilePos position) => ref CollectionsMarshal.GetValueRefOrAddDefault(tilesToChange, position, out _dummy); |
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if (toolMode == ToolMode.Paint) { |
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// In PAINT mode, only full tiles are ever affected. |
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// So this makes populating 'tilesToChange' very straight-forward. |
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var tiles = toolShape switch { |
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// While in PAINT mode, the CORNER shape instead affects |
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// a single tile, regardless of the current 'draw_size'. |
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ToolShape.Corner => [ hover.Position ], |
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ToolShape.Circle => GetTilesInRadius(), |
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ToolShape.Square => GetTilesInSquare(), |
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_ => throw new InvalidOperationException(), |
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}; |
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foreach (var pos in tiles) |
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tilesToChange.Add(pos, new(true)); |
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} else if (toolShape == ToolShape.Corner) { |
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// With the CORNER shape, only a single corner is affected. |
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if (toolShape == ToolShape.Corner) { |
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// Modify selected corner itself. |
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// Modify selected corner itself. |
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GetTileToChange(hover.Position)[hover.Corner] = true; |
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Tile(hover.Position)[hover.Corner] = true; |
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// If the 'connected_toggle' button is active, move "connected" corners. |
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// This is a simplified version of the code below that only affects the 3 neighboring corners. |
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if (isConnected) { |
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if (isConnected) { |
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var height = GetTile(hover.Position).Height[hover.Corner]; |
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var height = GetTile(hover.Position).Height[hover.Corner]; |
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foreach (var neighbor in GetNeighbors(hover.Position, hover.Corner)) { |
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foreach (var neighbor in GetNeighbors(hover.Position, hover.Corner)) { |
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var neighborHeight = GetTile(neighbor.Position).Height[neighbor.Corner]; |
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var neighborHeight = GetTile(neighbor.Position).Height[neighbor.Corner]; |
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if (neighborHeight != height) continue; |
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if (neighborHeight != height) continue; |
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GetTileToChange(neighbor.Position)[neighbor.Corner] = true; |
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Tile(neighbor.Position)[neighbor.Corner] = true; |
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} |
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} |
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} |
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} |
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} else { |
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} else { |
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var tiles = (toolShape switch { |
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var tiles = (toolShape switch { |
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ToolShape.Circle => GetTilesInRadius(), |
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ToolShape.Circle => GetTilesInRadius(), |
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ToolShape.Square => GetTilesInSquare(), |
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ToolShape.Square => GetTilesInSquare(), |
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@ -105,7 +127,7 @@ public partial class Terrain |
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// Modify selected tiles themselves. |
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// Modify selected tiles themselves. |
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foreach (var pos in tiles) |
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foreach (var pos in tiles) |
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GetTileToChange(pos) = new(true); |
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tilesToChange.Add(pos, new(true)); |
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// If the 'connected_toggle' button is active, move "connected" corners. |
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// If the 'connected_toggle' button is active, move "connected" corners. |
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// Connected corners are the ones that are at the same height as ones already being moved. |
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// Connected corners are the ones that are at the same height as ones already being moved. |
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@ -117,43 +139,73 @@ public partial class Terrain |
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if (tiles.Contains(neighbor.Position)) continue; |
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if (tiles.Contains(neighbor.Position)) continue; |
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var neighborHeight = GetTile(neighbor.Position).Height[neighbor.Corner]; |
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var neighborHeight = GetTile(neighbor.Position).Height[neighbor.Corner]; |
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if (neighborHeight != height) continue; |
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if (neighborHeight != height) continue; |
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GetTileToChange(neighbor.Position)[neighbor.Corner] = true; |
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Tile(neighbor.Position)[neighbor.Corner] = true; |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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// Raise / lower the terrain when left mouse button is pressed. |
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// Modify the terrain when left mouse button is pressed. |
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if (ev is InputEventMouseButton { ButtonIndex: MouseButton.Left, Pressed: true }) { |
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if (ev is InputEventMouseButton { ButtonIndex: MouseButton.Left, Pressed: true }) { |
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prevent_default = true; |
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prevent_default = true; |
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const float AdjustHeight = 0.5f; |
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string action; |
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var amount = isFlatten ? GetTile(hover.Position).Height[hover.Corner] |
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StringName method; |
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: isRaise ? AdjustHeight : -AdjustHeight; |
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Variant[] doArgs; |
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Variant[] undoArgs; |
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var tilesPrevious = new List<(TilePos, Corners<float>)>(); |
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if (toolMode == ToolMode.Paint) { |
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var tilesChanged = new List<(TilePos, Corners<float>)>(); |
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// TODO: Support blending somehow. |
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foreach (var (pos, corners) in tilesToChange) { |
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var tilesPrevious = new List<(TilePos, int)>(); |
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var tile = GetTile(pos); |
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var tilesChanged = new List<(TilePos, int)>(); |
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tilesPrevious.Add((pos, tile.Height)); |
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foreach (var (pos, corners) in tilesToChange) { |
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var newHeight = tile.Height; |
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var tile = GetTile(pos); |
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if (corners.TopLeft ) newHeight.TopLeft = isFlatten ? amount : newHeight.TopLeft + amount; |
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tilesPrevious.Add((pos, tile.TexturePrimary)); |
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if (corners.TopRight ) newHeight.TopRight = isFlatten ? amount : newHeight.TopRight + amount; |
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tilesChanged.Add((pos, texture)); |
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if (corners.BottomRight) newHeight.BottomRight = isFlatten ? amount : newHeight.BottomRight + amount; |
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} |
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if (corners.BottomLeft ) newHeight.BottomLeft = isFlatten ? amount : newHeight.BottomLeft + amount; |
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tilesChanged.Add((pos, newHeight)); |
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action = "Paint terrain"; |
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method = nameof(DoModifyTerrainTexture); |
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doArgs = [ PackTextureData(tilesChanged) ]; |
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undoArgs = [ PackTextureData(tilesPrevious) ]; |
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} else { |
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var tilesPrevious = new List<(TilePos, Corners<float>)>(); |
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var tilesChanged = new List<(TilePos, Corners<float>)>(); |
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const float AdjustHeight = 0.5f; |
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var amount = isFlatten ? GetTile(hover.Position).Height[hover.Corner] |
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: isRaise ? AdjustHeight : -AdjustHeight; |
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foreach (var (pos, corners) in tilesToChange) { |
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var tile = GetTile(pos); |
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tilesPrevious.Add((pos, tile.Height)); |
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var newHeight = tile.Height; |
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if (corners.TopLeft ) newHeight.TopLeft = isFlatten ? amount : newHeight.TopLeft + amount; |
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if (corners.TopRight ) newHeight.TopRight = isFlatten ? amount : newHeight.TopRight + amount; |
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if (corners.BottomRight) newHeight.BottomRight = isFlatten ? amount : newHeight.BottomRight + amount; |
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if (corners.BottomLeft ) newHeight.BottomLeft = isFlatten ? amount : newHeight.BottomLeft + amount; |
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tilesChanged.Add((pos, newHeight)); |
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} |
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action = isFlatten ? "Flatten terrain" |
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: isRaise ? "Raise terrain" |
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: "Lower Terrain"; |
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method = nameof(DoModifyTerrainHeight); |
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doArgs = [ PackHeightData(tilesChanged) ]; |
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undoArgs = [ PackHeightData(tilesPrevious) ]; |
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} |
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} |
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if (EditorUndoRedo is EditorUndoRedoManager undo) { |
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if (EditorUndoRedo is EditorUndoRedoManager undo) { |
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var name = "Modify terrain height"; // TODO: Change name depending on tool mode. |
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undo.CreateAction(action, backwardUndoOps: false); |
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undo.CreateAction(name, backwardUndoOps: false); |
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undo.AddDoMethod(this, nameof(DoModifyTerrainHeight), Pack(tilesChanged)); |
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undo.AddDoMethod(this, method, doArgs); |
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undo.AddDoMethod(this, nameof(UpdateMeshAndShape)); |
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undo.AddDoMethod(this, nameof(UpdateMeshAndShape)); |
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undo.AddDoMethod(this, GodotObject.MethodName.NotifyPropertyListChanged); |
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undo.AddDoMethod(this, GodotObject.MethodName.NotifyPropertyListChanged); |
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undo.AddUndoMethod(this, nameof(DoModifyTerrainHeight), Pack(tilesPrevious)); |
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undo.AddUndoMethod(this, method, undoArgs); |
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undo.AddUndoMethod(this, nameof(UpdateMeshAndShape)); |
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undo.AddUndoMethod(this, nameof(UpdateMeshAndShape)); |
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undo.AddUndoMethod(this, GodotObject.MethodName.NotifyPropertyListChanged); |
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undo.AddUndoMethod(this, GodotObject.MethodName.NotifyPropertyListChanged); |
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@ -170,13 +222,22 @@ public partial class Terrain |
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public void DoModifyTerrainHeight(byte[] data) |
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public void DoModifyTerrainHeight(byte[] data) |
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{ |
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{ |
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foreach (var (pos, corners) in Unpack(data)) { |
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foreach (var (pos, corners) in UnpackHeightData(data)) { |
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var tile = GetTile(pos); |
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var tile = GetTile(pos); |
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tile.Height = corners; |
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tile.Height = corners; |
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SetTile(pos, tile); |
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SetTile(pos, tile); |
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} |
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} |
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} |
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} |
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public void DoModifyTerrainTexture(byte[] data) |
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{ |
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foreach (var (pos, texture) in UnpackTextureData(data)) { |
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var tile = GetTile(pos); |
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tile.TexturePrimary = texture; |
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SetTile(pos, tile); |
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} |
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} |
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void UpdateEditToolMesh(Dictionary<TilePos, Corners<bool>> tiles) |
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void UpdateEditToolMesh(Dictionary<TilePos, Corners<bool>> tiles) |
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{ |
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{ |
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@ -234,7 +295,8 @@ public partial class Terrain |
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static IEnumerable<(TilePos Position, Corner Corner)> GetNeighbors(TilePos pos, Corner corner) |
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static IEnumerable<(TilePos Position, Corner Corner)> GetNeighbors(TilePos pos, Corner corner) |
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=> _offsetLookup[corner].Select(e => (new TilePos(pos.X + e.X, pos.Y + e.Y), e.Opposite)); |
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=> _offsetLookup[corner].Select(e => (new TilePos(pos.X + e.X, pos.Y + e.Y), e.Opposite)); |
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static byte[] Pack(IEnumerable<(TilePos Position, Corners<float> Corners)> data) |
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static byte[] PackHeightData(IEnumerable<(TilePos Position, Corners<float> Corners)> data) |
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{ |
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{ |
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using var stream = new MemoryStream(); |
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using var stream = new MemoryStream(); |
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using var writer = new BinaryWriter(stream); |
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using var writer = new BinaryWriter(stream); |
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@ -249,7 +311,7 @@ public partial class Terrain |
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return stream.ToArray(); |
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return stream.ToArray(); |
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} |
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} |
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static IEnumerable<(TilePos Position, Corners<float> Corners)> Unpack(byte[] data) |
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static IEnumerable<(TilePos Position, Corners<float> Corners)> UnpackHeightData(byte[] data) |
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{ |
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{ |
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using var stream = new MemoryStream(data); |
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using var stream = new MemoryStream(data); |
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using var reader = new BinaryReader(stream); |
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using var reader = new BinaryReader(stream); |
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@ -262,4 +324,28 @@ public partial class Terrain |
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yield return (new(x, y), corners); |
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yield return (new(x, y), corners); |
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} |
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} |
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} |
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} |
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static byte[] PackTextureData(IEnumerable<(TilePos Position, int Texture)> data) |
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{ |
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using var stream = new MemoryStream(); |
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using var writer = new BinaryWriter(stream); |
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foreach (var (pos, texture) in data) { |
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writer.Write(pos.X); |
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writer.Write(pos.Y); |
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writer.Write((byte)texture); |
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} |
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return stream.ToArray(); |
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} |
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static IEnumerable<(TilePos Position, int Texture)> UnpackTextureData(byte[] data) |
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{ |
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using var stream = new MemoryStream(data); |
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using var reader = new BinaryReader(stream); |
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while (stream.Position < stream.Length) { |
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var x = reader.ReadInt32(); |
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var y = reader.ReadInt32(); |
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var texture = reader.ReadByte(); |
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yield return (new(x, y), texture); |
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} |
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} |
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} |
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} |
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|
