renamed particle* to animation*, added asesprite animation loading

game/levels.go

@@ -2,6 +2,7 @@ package game
 
 import (
 	"image"
+	"log"
 	"log/slog"
 	"openquell/assets"
 	"openquell/components"
@@ -51,7 +52,7 @@ func NewLevel(game *Game, cellsize int, plan *ldtkgo.Level) *Level {
 	systemlist = append(systemlist,
 		systems.NewPlayerSystem(game.World, gridcontainer, game.ScreenWidth, game.ScreenHeight))
 
-	systemlist = append(systemlist, systems.NewParticleSystem(game.World, game.Cellsize))
+	systemlist = append(systemlist, systems.NewAnimationSystem(game.World, game.Cellsize))
 
 	systemlist = append(systemlist, systems.NewTransientSystem(game.World, gridcontainer))
 
@@ -197,6 +198,22 @@ func LevelToSlice(game *Game, level *ldtkgo.Level, tilesize int) (Map, Map) {
 					}
 					tileRect := entity.TileRect
 
+					animateondestruct := util.GetPropertyBool(entity, "AnimateOnDestruct")
+					// FIXME: also check for AnimationLoop and other animation reasons
+					if animateondestruct {
+						tile.AnimateOnDestruct = true
+
+						animation := util.GetPropertyString(entity, "AnimateSpriteSheet")
+						if animation != "" {
+							if !util.Exists(assets.Animations, animation) {
+								log.Fatalf("entity %s refers to non existent animation set %s",
+									entity.Identifier, animation)
+							}
+						}
+
+						tile.AnimationSpriteSheet = assets.Animations[animation]
+					}
+
 					tile.Sprite = tileset.SubImage(
 						image.Rect(tileRect.X, tileRect.Y,
 							tileRect.X+tileRect.W,