fixed hiddendoor tiles, now uses destruct shader no spriteset

systems/destroyable_system.go

@@ -23,6 +23,7 @@ type DestroyableSystem struct {
 		components.Renderable,
 		components.Tilish,
 		components.Solid]
+	Cellsize int
 }
 
 type DoorToRemove struct {
@@ -30,7 +31,9 @@ type DoorToRemove struct {
 	Position *components.Position
 }
 
-func NewDestroyableSystem(world *ecs.World, gridcontainer *grid.GridContainer) System {
+func NewDestroyableSystem(world *ecs.World, gridcontainer *grid.GridContainer,
+	cellsize int) System {
+
 	solidmapper := generic.NewMap4[
 		components.Position,
 		components.Renderable,
@@ -42,6 +45,7 @@ func NewDestroyableSystem(world *ecs.World, gridcontainer *grid.GridContainer) S
 		World:         world,
 		GridContainer: gridcontainer,
 		SolidMapper:   solidmapper,
+		Cellsize:      cellsize,
 	}
 
 	return system
@@ -81,7 +85,7 @@ func (system *DestroyableSystem) Update() error {
 				} else {
 					slog.Debug("activating destroyable", "doorpos", doorposition)
 					door.Activated = true
-					renderable.Image = door.GetNext()
+					renderable.Damaged = 1
 				}
 			}
 		}
@@ -99,14 +103,24 @@ func (system *DestroyableSystem) Update() error {
 
 func (system *DestroyableSystem) Draw(screen *ebiten.Image) {
 	// write transients (these are no tiles!)
-	op := &ebiten.DrawImageOptions{}
+	op := &ebiten.DrawRectShaderOptions{}
+
 	query := system.Selector.Query(system.World)
 
 	for query.Next() {
 		pos, render, _ := query.Get()
 
 		op.GeoM.Reset()
+
+		op.Uniforms = map[string]any{
+			"Damaged": render.Damaged,
+		}
+
+		op.Images[0] = render.Image
+		op.Images[1] = render.DamageImage
+
 		op.GeoM.Translate(float64(pos.X), float64(pos.Y))
-		screen.DrawImage(render.Image, op)
+
+		screen.DrawRectShader(system.Cellsize, system.Cellsize, render.Shader, op)
 	}
 }