add moving animation support, fix debug printing

TODO.md

@@ -15,11 +15,10 @@
 - Add player collision animation
 
 - Create pixel art ui elements (button, list things) and ui borders/backgrounds
+  Replace HUD with pixel art variant
 
 - Modify font and font color matching the palette
 
-- Replace HUD with pixel art variant
-
 - On game start respond to any key (ebitengine-input has an anykey func)
 
 - Switch to use https://github.com/quasilyte/ebitengine-input

assets/loader-levels.go

@@ -18,6 +18,7 @@ type TileAnimation struct {
 	OnCollision   bool // wether to animate a collision
 	OnDestruction bool // wether to animate destruction
 	OnIdle        bool // wether to animate during idling
+	OnMoving      bool // wether to animate during moving
 
 	CollisionSheet   AnimationSet // an entry in assets.Animations[name]
 	DestructionSheet AnimationSet

components/position.go

@@ -71,6 +71,15 @@ func (position *Position) String() string {
 	)
 }
 
+func (position *Position) SmallString() string {
+	return fmt.Sprintf("%d,%d\n%d,%d",
+		position.X/32,
+		position.Y/32,
+		position.X,
+		position.Y,
+	)
+}
+
 func (position *Position) Move(velocity *Velocity) {
 	// if velocity.Direction != 0 {
 	// 	slog.Debug("moving", "velocity", velocity, "speed", speed)

components/renderable.go

@@ -35,6 +35,7 @@ type Renderable struct {
 	DestructionAnimate Animation
 	IdleAnimate        Animation
 	CollisionAnimate   Animation
+	MovingAnimate      Animation
 	Hidden             bool
 }
 
@@ -51,6 +52,8 @@ func (render *Renderable) StartAnimation(which int) {
 		render.IdleAnimate.Active = true
 		render.IdleAnimate.Loop = true
 		render.IdleAnimate.Timer.Start(0)
+	case Moving:
+		render.MovingAnimate.Loop = true
 	}
 }
 

grid/grid.go

@@ -159,24 +159,28 @@ func NewGrid(world *ecs.World,
 			render.Image = tile.Sprite
 			render.Pos = pos
 
-			if tile.Animation.OnCollision {
+			switch {
+			case tile.Animation.OnCollision:
 				render.CollisionAnimate.Sprites = tile.Animation.CollisionSheet.Sprites
 				render.CollisionAnimate.Width = tile.Animation.CollisionSheet.Width
 				render.CollisionAnimate.Height = tile.Animation.CollisionSheet.Height
-			}
 
-			if tile.Animation.OnDestruction {
+			case tile.Animation.OnDestruction:
 				render.DestructionAnimate.Sprites = tile.Animation.DestructionSheet.Sprites
 				render.DestructionAnimate.Width = tile.Animation.DestructionSheet.Width
 				render.DestructionAnimate.Height = tile.Animation.DestructionSheet.Height
-			}
 
-			if tile.Animation.OnIdle {
+			case tile.Animation.OnIdle:
 				render.IdleAnimate.Sprites = tile.Animation.IdleSheet.Sprites
 				render.IdleAnimate.Width = tile.Animation.IdleSheet.Width
 				render.IdleAnimate.Height = tile.Animation.IdleSheet.Height
 				render.StartAnimation(components.Idle)
 				render.Hidden = true // we do NOT render the sprite, but the idle animation instead
+
+			case tile.Animation.OnMoving:
+				render.MovingAnimate.Sprites = tile.Animation.IdleSheet.Sprites
+				render.MovingAnimate.Width = tile.Animation.IdleSheet.Width
+				render.MovingAnimate.Height = tile.Animation.IdleSheet.Height
 			}
 
 		default:

systems/player_system.go

@@ -8,6 +8,7 @@ import (
 	. "openquell/config"
 	"openquell/grid"
 	"openquell/observers"
+	"openquell/util"
 
 	"github.com/hajimehoshi/ebiten/v2"
 	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
@@ -136,7 +137,9 @@ func (system *PlayerSystem) Draw(screen *ebiten.Image) {
 
 		screen.DrawImage(sprite.Image, op)
 
-		ebitenutil.DebugPrintAt(screen, pos.String(), pos.X, pos.Y) // print player pos
+		if util.DebugEnabled() {
+			ebitenutil.DebugPrintAt(screen, pos.SmallString(), pos.X, pos.Y+16) // print player pos
+		}
 	}
 }
 
@@ -210,7 +213,9 @@ func (system *PlayerSystem) CheckMovement(
 			observer.AddMove()
 		}
 	} else {
-		fmt.Println("------------------------")
+		if util.DebugEnabled() {
+			fmt.Println("------------------------")
+		}
 		slog.Debug("(1) player is at", "current", position.String())
 	}
 }

util/generics.go

@@ -1,7 +1,10 @@
 package util
 
 import (
+	"context"
 	. "openquell/config"
+
+	"log/slog"
 )
 
 // find an item in a list, generic variant
@@ -41,3 +44,7 @@ func DirectionStr(dir int) string {
 
 	return str
 }
+
+func DebugEnabled() bool {
+	return slog.Default().Enabled(context.TODO(), slog.LevelDebug)
+}