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sprite helper classes

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This commit is contained in:
Vinzenz Schroeter 2024-04-22 20:58:12 +02:00
parent 83ee185c50
commit a486f73046
5 changed files with 82 additions and 52 deletions
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29
tanks-backend/TanksServer/Graphics/DrawPowerUpsStep.cs
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@ -1,37 +1,14 @@
using System.Diagnostics;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
using TanksServer.GameLogic;
namespace TanksServer.Graphics;
internal sealed class DrawPowerUpsStep : IDrawStep
internal sealed class DrawPowerUpsStep(MapEntityManager entityManager) : IDrawStep
{
private readonly MapEntityManager _entityManager;
private readonly bool?[,] _explosiveSprite;
public DrawPowerUpsStep(MapEntityManager entityManager)
{
_entityManager = entityManager;
using var tankImage = Image.Load<Rgba32>("assets/powerup_explosive.png");
Debug.Assert(tankImage.Width == tankImage.Height && tankImage.Width == MapService.TileSize);
_explosiveSprite = new bool?[tankImage.Width, tankImage.Height];
var whitePixel = new Rgba32(byte.MaxValue, byte.MaxValue, byte.MaxValue, byte.MaxValue);
for (var y = 0; y < tankImage.Height; y++)
for (var x = 0; x < tankImage.Width; x++)
{
var pixelValue = tankImage[x, y];
_explosiveSprite[x, y] = pixelValue.A == 0
? null
: pixelValue == whitePixel;
}
}
private readonly Sprite _explosiveSprite = Sprite.FromImageFile("assets/powerup_explosive.png");
public void Draw(GamePixelGrid pixels)
{
foreach (var powerUp in _entityManager.PowerUps)
foreach (var powerUp in entityManager.PowerUps)
{
var position = powerUp.Bounds.TopLeft;