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using Celesteia.Game.Components.Physics;
using Celesteia.Game.Planets;
using Celesteia.Graphics;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using MonoGame.Extended;
using MonoGame.Extended.Entities;
using MonoGame.Extended.Entities.Systems;
namespace Celesteia.Game.Systems.Physics {
public class PhysicsCollisionDebugSystem : EntityDrawSystem
{
private readonly Camera2D _camera;
private readonly SpriteBatch _spriteBatch;
private readonly ChunkMap _chunkMap;
private ComponentMapper<Transform2> transformMapper;
private ComponentMapper<CollisionBox> collisionBoxMapper;
public PhysicsCollisionDebugSystem(Camera2D camera, SpriteBatch spriteBatch, ChunkMap chunkMap) : base(Aspect.All(typeof(Transform2), typeof(CollisionBox))) {
_camera = camera;
_spriteBatch = spriteBatch;
_chunkMap = chunkMap;
}
public override void Initialize(IComponentMapperService mapperService)
{
transformMapper = mapperService.GetMapper<Transform2>();
collisionBoxMapper = mapperService.GetMapper<CollisionBox>();
}
public override void Draw(GameTime gameTime)
{
if (!GameInstance.DebugMode) return;
_spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.Additive, SamplerState.PointClamp, null, null, null, _camera.GetViewMatrix());
foreach (int entityId in ActiveEntities) {
Rectangle box = collisionBoxMapper.Get(entityId).Rounded;
int minX = box.X;
int maxX = box.X + box.Width;
int minY = box.Y;
int maxY = box.Y + box.Height;
for (int i = minX; i < maxX; i++)
for (int j = minY; j < maxY; j++) {
RectangleF? blockBox = _chunkMap.TestBoundingBox(i, j);
if (blockBox.HasValue) {
_spriteBatch.DrawRectangle(new RectangleF(i, j, blockBox.Value.Width, blockBox.Value.Height), Color.Red, .05f, 0f);
} else {
_spriteBatch.DrawRectangle(new RectangleF(i, j, 1f, 1f), Color.Green, .05f, 0f);
}
}
}
_spriteBatch.End();
}
}
}
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