65 lines
2.4 KiB
C#
65 lines
2.4 KiB
C#
using System;
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using System.Linq;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using MLEM.Extended.Tiled;
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using MLEM.Extensions;
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using MLEM.Startup;
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using MLEM.Textures;
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using MonoGame.Extended.Tiled;
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using RectangleF = MonoGame.Extended.RectangleF;
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namespace GreatSpringGameJam {
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public class Entity {
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public static readonly UniformTextureAtlas StuffTexture = new(MlemGame.LoadContent<Texture2D>("Textures/Stuff"), 8, 8);
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protected static readonly Random Random = new();
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public readonly Map Map;
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public Vector2 Position;
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public Entity(Map map, Vector2 position) {
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this.Map = map;
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this.Position = position;
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}
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public virtual void Update(GameTime time) {
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}
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public virtual void Draw(GameTime time, SpriteBatch batch) {
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}
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protected void Collide(Func<RectangleF> getArea, ref Vector2 velocity, ref bool onGround) {
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// if we're not on the ground, we should prioritize x collisions to be pushed out of walls first
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var penetrations = this.Map.Collisions.GetPenetrations(getArea, prioritizeX: !onGround);
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onGround = false;
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foreach (var (normal, penetration) in penetrations) {
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this.Position -= normal * penetration;
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if (normal.Y > 0) {
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onGround = true;
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var (_, below) = this.GetTileBelow();
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if (below != null && below.Properties.GetBool("JumpPad") && velocity.Y > 0) {
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velocity.Y = -velocity.Y;
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continue;
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}
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}
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velocity *= new Vector2(Math.Abs(normal.Y), Math.Abs(normal.X));
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}
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// disallow exiting the map's sides
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var area = getArea();
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if (area.Left < 0)
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this.Position.X += -area.Left;
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if (area.Right >= this.Map.Size.X)
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this.Position.X += this.Map.Size.X - area.Right;
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}
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protected (Point, TiledMapTilesetTile) GetTileBelow(Vector2? offset = null, string layer = null) {
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var (x, y) = this.Position + (offset ?? new Vector2(0, 0.5F));
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var pos = new Point((x + 0.5F).Floor(), (y + 0.5F).Floor());
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var tile = this.Map.GetTile(layer ?? "Ground", pos.X, pos.Y);
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return !tile.IsBlank ? (pos, this.Map.GetTilesetTile(tile, this.Map.GetTileset(tile))) : default;
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}
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}
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} |