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https://github.com/kwsch/NHSE.git
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0ce31ca895
Code now compiles, but will need to test and bugfix extensively. Need to pre-fill the pixel buffers with sea first unless the acre fill actually works (maybe?) Items need to be relative'd to apply 1 row lower, and skip the bottom row. Need to check that terrain is the same as well. Note to self: For Map - probably better to get a starting x,y,width and iterate off that, fetching tile from relative, converting to absolute... idk. For View - need to check if tile is in layer.
60 lines
2.2 KiB
C#
60 lines
2.2 KiB
C#
using System;
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using System.Diagnostics.CodeAnalysis;
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namespace NHSE.Core;
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/// <summary>
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/// Basic configuration of a narrow view for interacting with the larger manipulatable tile grid.
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/// </summary>
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/// <param name="ViewWidth">Viewable amount of viewable tiles wide</param>
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/// <param name="ViewHeight">Viewable amount of viewable tiles high</param>
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/// <param name="Columns">Columns of view available</param>
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/// <param name="Rows">Rows of view available</param>
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public readonly record struct TileGridViewport([ConstantExpected] byte ViewWidth, [ConstantExpected] byte ViewHeight, byte Columns, byte Rows)
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{
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/// <summary>
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/// Total width of the entire grid (including the view).
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/// </summary>
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public int TotalWidth => Columns * ViewWidth;
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/// <summary>
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/// Total height of the entire grid (including the view).
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/// </summary>
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public int TotalHeight => Rows * ViewHeight;
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/// <summary>
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/// Amount of tiles present in the grid.
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/// </summary>
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public int ViewCount => ViewWidth * ViewHeight;
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/// <summary>
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/// Amount of ALL tiles present in the entire grid (including the grid).
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/// </summary>
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public int TotalCount => TotalWidth * TotalHeight;
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public (int X, int Y) DimAcre => (ViewWidth, ViewHeight);
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public (int X, int Y) DimTotal => (TotalWidth, TotalHeight);
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public int GetTileIndex(int acreX, int acreY, int gridX, int gridY)
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{
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var x = (acreX * ViewWidth) + gridX;
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var y = (acreY * ViewHeight) + gridY;
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return GetTileIndex(x, y);
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}
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/// <summary>
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/// Gets the absolute index of the absolute tile in the grid based on the x/y coordinates.
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/// </summary>
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/// <param name="x">Absolute x coordinate of the tile in the grid</param>
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/// <param name="y">Absolute y coordinate of the tile in the grid</param>
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/// <returns>Absolute index of the tile in the grid</returns>
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public int GetTileIndex(in int x, in int y) => (TotalHeight * x) + y;
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public void ClampInside(ref int x, ref int y) => ClampCoordinatesTo(ref x, ref y, TotalWidth - 1, TotalHeight - 1);
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private static void ClampCoordinatesTo(ref int x, ref int y, int maxX, int maxY)
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{
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x = Math.Clamp(x, 0, maxX);
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y = Math.Clamp(y, 0, maxY);
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}
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} |