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using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Djup.Native;
[StructLayout(LayoutKind.Sequential)]
public struct Vec2
{
public float X { get; }
public float Y { get; }
public Vec2(float x, float y)
{
Debug.Assert(float.IsFinite(x));
Debug.Assert(float.IsFinite(y));
X = x;
Y = y;
}
public override string ToString() => $"({X}, {Y})";
}
public enum EntityState : byte
{
Inactive = 0,
Active,
Removed,
Dead
}
public enum PlayerInput : byte
{
Up = 1 << 0,
Down = 1 << 1,
Left = 1 << 2,
Right = 1 << 3
}
[StructLayout(LayoutKind.Sequential)]
public struct Player
{
public EntityState State { get; }
private byte input;
public Vec2 Position { get; set; }
public Vec2 Velocity { get; set; }
}
[StructLayout(LayoutKind.Sequential)]
public struct Bullet
{
public EntityState State { get; set; }
public Vec2 Position { get; set; }
public Vec2 Velocity { get; set; }
}
[StructLayout(LayoutKind.Sequential)]
public struct Snapshot
{
[InlineArray(Constants.WorldMaxPlayers)]
public struct PlayerArray
{
private Player _element0;
}
[InlineArray(Constants.WorldMaxBullets)]
public struct BallArray
{
private Bullet _element0;
}
private byte active;
public uint Tick { get; }
public PlayerArray Players { get; }
public BallArray Bullets { get; }
}
public enum LogLevel
{
Trace,
Debug,
Info,
Warn,
Error,
Fatal
}
public delegate void LoggerDelegate(LogLevel level, string source, int line, string message);
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