added intermediate popup after win/loose, refresh level setup, fixes

TODO.md

@@ -23,3 +23,7 @@ if inpututil.IsKeyJustPressed(ebiten.KeyS) {
     }
     png.Encode(f, screen)
 }
+
+
+- Add some final message when the player reaches the last level, start
+  from scratch or a message to buy me some beer, whatever

assets/levels/0-own.lvl

@@ -5,13 +5,13 @@ Background: background-lila
                     
                     
      ########       
-     #o o #o#       
+     #  o # #       
      #  S # #       
      # #### #       
                     
                     
      # #### #       
      #      #       
-     #o    o#       
+     #      #       
      ########       
                     

assets/levels/1-start.lvl

@@ -1,5 +1,5 @@
 Description: find the fruit
-Background: background-orange
+Background: background-lila
                     
                     
    # ############   
@@ -7,7 +7,7 @@ Background: background-orange
    ############ #   
    #   o S      #   
    # ######## ###   
-              #     
+         +    #     
    ############ #   
    #        o # #   
    # # ######## #   

assets/loader-levels.go

@@ -28,6 +28,7 @@ type Tile struct {
 	Renderable  bool
 	Velocity    bool
 	Collectible bool
+	Obstacle    bool
 	Particle    int // -1=unused, 0-3 = show image of slice
 	Particles   []*ebiten.Image
 }
@@ -64,6 +65,17 @@ func NewTileCollectible(class string) *Tile {
 	}
 }
 
+func NewTileObstacle(class string) *Tile {
+	return &Tile{
+		Id:         '+',
+		Sprite:     Assets[class],
+		Class:      class,
+		Solid:      false,
+		Renderable: true,
+		Obstacle:   true,
+	}
+}
+
 func NewTileParticle(class []string) *Tile {
 	sprites := []*ebiten.Image{}
 
@@ -109,6 +121,7 @@ func InitTiles() TileRegistry {
 		'#': NewTileBlock("block-grey32"),
 		'S': NewTilePlayer(),
 		'o': NewTileCollectible("collectible-orange"),
+		'+': NewTileObstacle("obstacle-star"),
 		'*': NewTileParticle([]string{
 			//"particle-ring-1",
 			"particle-ring-2",

components/components.go

@@ -26,3 +26,4 @@ type Solid struct{}
 type Floor struct{}
 type Player struct{}
 type Collectible struct{}
+type Obstacle struct{}

game/game.go

@@ -3,6 +3,7 @@ package game
 import (
 	"fmt"
 	"image"
+	"log/slog"
 	"openquell/observers"
 
 	"github.com/hajimehoshi/ebiten/v2"
@@ -38,7 +39,7 @@ func NewGame(width, height, cellsize, startlevel int, startscene SceneName) *Gam
 	game.Scenes[Menu] = NewMenuScene(game)
 	game.Scenes[About] = NewAboutScene(game)
 	game.Scenes[Popup] = NewPopupScene(game)
-	game.Scenes[Play] = NewLevelScene(game, startlevel)
+	//game.Scenes[Play] = NewLevelScene(game, startlevel)
 	game.Scenes[Select] = NewSelectScene(game)
 
 	game.CurrentScene = startscene
@@ -56,13 +57,20 @@ func (game *Game) Update() error {
 	gameobserver := observers.GetGameObserver(game.World)
 
 	// handle level ends
-	// FIXME: add a scene here, which asks: restart, next or abort
 	timer := gameobserver.StopTimer
 
 	if timer.IsReady() {
+		// a  level is either  lost or won,  we display a  small popup
+		// asking the user how to continue from here
 		timer.Reset()
-		gameobserver.CurrentLevel++
-		gameobserver.Score++ // FIXME: use level.Score(), see TODO
+
+		slog.Debug("timer ready", "lost", gameobserver.Lost, "retry", gameobserver.Retry)
+		if !gameobserver.Lost {
+			gameobserver.Score++ // FIXME: use level.Score(), see TODO
+		}
+
+		game.Scenes[Nextlevel] = NewNextlevelScene(game, gameobserver.Lost)
+		game.CurrentScene = Nextlevel
 	}
 
 	scene := game.GetCurrentScene()
@@ -76,8 +84,27 @@ func (game *Game) Update() error {
 
 	next := scene.GetNext()
 	if next != game.CurrentScene {
+		if next == Play && game.CurrentScene == Nextlevel {
+			// switched from nextlevel (lost or won) popup to play (either retry or next level)
+			if !gameobserver.Retry {
+				gameobserver.CurrentLevel++
+			}
+			gameobserver.Retry = false
+		}
+
+		if next == Play {
+			// fresh setup of actual level every time we enter the play scene
+			game.Scenes[Play] = NewLevelScene(game, gameobserver.CurrentLevel)
+		}
+
+		// make sure we stay on the selected scene
 		scene.ResetNext()
+
+		// finally switch
 		game.CurrentScene = next
+
+		// FIXME: add some reset function to gameobserver for these kinds of things
+		gameobserver.Lost = false
 	}
 
 	timer.Update()

game/levels.go

@@ -30,6 +30,7 @@ type Level struct {
 func NewLevel(game *Game, cellsize int, plan *assets.RawLevel) *Level {
 	gridsystem := systems.NewGridSystem(game.World, game.ScreenWidth,
 		game.ScreenHeight, cellsize, plan.Background)
+
 	playersystem := systems.NewPlayerSystem(game.World, gridsystem)
 
 	return &Level{

game/nextlevel_scene.go

@@ -0,0 +1,117 @@
+package game
+
+import (
+	"image/color"
+	"log/slog"
+	"openquell/assets"
+	"openquell/gameui"
+	"openquell/observers"
+
+	"github.com/ebitenui/ebitenui"
+	"github.com/ebitenui/ebitenui/widget"
+
+	"github.com/hajimehoshi/ebiten/v2"
+)
+
+type NextlevelScene struct {
+	Game     *Game
+	Next     SceneName
+	Whoami   SceneName
+	UseCache bool
+	Ui       *ebitenui.UI
+	Lost     bool
+}
+
+func NewNextlevelScene(game *Game, lost bool) Scene {
+	scene := &NextlevelScene{
+		Whoami: Nextlevel,
+		Game:   game,
+		Next:   Nextlevel,
+		Lost:   lost,
+	}
+
+	scene.SetupUI()
+
+	return scene
+}
+
+func (scene *NextlevelScene) GetNext() SceneName {
+	return scene.Next
+}
+
+func (scene *NextlevelScene) ResetNext() {
+	scene.Next = scene.Whoami
+}
+
+func (scene *NextlevelScene) SetNext(next SceneName) {
+	slog.Debug("select setnext", "next", next)
+	scene.Next = next
+}
+
+func (scene *NextlevelScene) Clearscreen() bool {
+	// both level_scene AND the popup must not clear to get an actual popup
+	return false
+}
+
+func (scene *NextlevelScene) Update() error {
+	scene.Ui.Update()
+	return nil
+}
+
+func (scene *NextlevelScene) Draw(screen *ebiten.Image) {
+	background := assets.Assets["background-popup"]
+
+	op := &ebiten.DrawImageOptions{}
+	op.GeoM.Translate(
+		float64((scene.Game.ScreenWidth/2)-(background.Bounds().Dx()/2)),
+		float64((scene.Game.ScreenHeight/2)-(background.Bounds().Dy()/2)),
+	)
+
+	screen.DrawImage(assets.Assets["background-popup"], op)
+
+	scene.Ui.Draw(screen)
+}
+
+func (scene *NextlevelScene) SetupUI() {
+	blue := color.RGBA{0, 255, 128, 255}
+	gameobserver := observers.GetGameObserver(scene.Game.World)
+
+	rowContainer := gameui.NewRowContainer(false)
+	labeltext := "Success"
+
+	switch scene.Lost {
+	case true:
+		labeltext = "Failure"
+	}
+
+	buttonRetry := gameui.NewMenuButton("Retry", *assets.FontRenderer.FontNormal,
+		func(args *widget.ButtonClickedEventArgs) {
+			scene.SetNext(Play)
+			gameobserver.Retry = true
+		})
+
+	buttonNext := gameui.NewMenuButton("Next Level", *assets.FontRenderer.FontNormal,
+		func(args *widget.ButtonClickedEventArgs) {
+			scene.SetNext(Play)
+			gameobserver.Retry = false
+		})
+
+	buttonAbort := gameui.NewMenuButton("Abort", *assets.FontRenderer.FontNormal,
+		func(args *widget.ButtonClickedEventArgs) {
+			scene.SetNext(Menu)
+		})
+
+	label := widget.NewText(
+		widget.TextOpts.Text(labeltext, *assets.FontRenderer.FontBig, blue),
+		widget.TextOpts.Position(widget.TextPositionCenter, widget.TextPositionCenter),
+	)
+
+	rowContainer.AddChild(label)
+	rowContainer.AddChild(buttonNext)
+	rowContainer.AddChild(buttonRetry)
+	rowContainer.AddChild(buttonAbort)
+
+	scene.Ui = &ebitenui.UI{
+		Container: rowContainer.Container(),
+	}
+}

game/scene.go

@@ -5,13 +5,14 @@ import (
 )
 
 const (
-	Welcome  = iota // startup
-	Menu            // main top level menu
-	Play            // actual playing happens here
-	About           // about the game
-	Settings        // options
-	Popup           // in-game options
-	Select          // select which level to play
+	Welcome   = iota // startup
+	Menu             // main top level menu
+	Play             // actual playing happens here
+	About            // about the game
+	Settings         // options
+	Popup            // in-game options
+	Select           // select which level to play
+	Nextlevel        // displayed after loose or win
 )
 
 // Wrapper for  different screens  to be  shown, as  Welcome, Options,

grid/grid.go

@@ -48,6 +48,11 @@ func NewGrid(world *ecs.World,
 		components.Renderable,
 		components.Collectible](world)
 
+	obsmapper := generic.NewMap3[
+		components.Position,
+		components.Renderable,
+		components.Obstacle](world)
+
 	var pos *components.Position
 	var render *components.Renderable
 	var speed *components.Speed
@@ -66,10 +71,14 @@ func NewGrid(world *ecs.World,
 				pos, _, render, speed, _ = playermapper.Get(entity)
 				playerobserver.AddEntity(entity)
 				speed.Value = config.PLAYERSPEED
-				slog.Debug("player start pos", "X", point.X*tilesize, "Y", point.Y*tilesize, "Z", 191)
+				slog.Debug("player start pos", "X", point.X*tilesize,
+					"Y", point.Y*tilesize, "Z", 191)
 			case tile.Collectible:
 				entity := colmapper.New()
 				pos, render, _ = colmapper.Get(entity)
+			case tile.Obstacle:
+				entity := obsmapper.New()
+				pos, render, _ = obsmapper.Get(entity)
 			default:
 				log.Fatalln("unsupported tile type encountered")
 			}

observers/game_observer.go

@@ -9,9 +9,12 @@ import (
 
 // Used for global game state
 type GameObserver struct {
-	CurrentLevel, Width, Height, Cellsize, Score int
-	StopTimer                                    *components.Timer
-	Lost                                         bool // set to true if player is struck or something, by default: win!
+	CurrentLevel, Width     int
+	Height, Cellsize, Score int
+	StopTimer               *components.Timer
+	Lost                    bool // set to true if player is struck or something, by default: win!
+	Retry                   bool
+	NextlevelText           string
 }
 
 func NewGameObserver(world *ecs.World, startlevel, width, height, cellsize int) *GameObserver {
@@ -34,3 +37,7 @@ func GetGameObserver(world *ecs.World) *GameObserver {
 	observer := world.Resources().Get(observerID).(*GameObserver)
 	return observer
 }
+
+func (observer *GameObserver) Gameover() {
+	observer.Lost = true
+}

systems/collectible_system.go

@@ -30,6 +30,7 @@ func NewCollectibleSystem(world *ecs.World) *CollectibleSystem {
 
 func (system *CollectibleSystem) Update() {
 	playerobserver := observers.GetPlayerObserver(system.World)
+	gameobserver := observers.GetGameObserver(system.World)
 
 	posID := ecs.ComponentID[components.Position](system.World)
 	veloID := ecs.ComponentID[components.Velocity](system.World)
@@ -40,7 +41,7 @@ func (system *CollectibleSystem) Update() {
 	query := system.Selector.Query(system.World)
 	numcollectibles := query.Count()
 
-	if numcollectibles == 0 {
+	if numcollectibles == 0 || gameobserver.Lost {
 		query.Close()
 		return
 	}

systems/obstacle_system.go

@@ -0,0 +1,117 @@
+package systems
+
+import (
+	"log/slog"
+	"openquell/assets"
+	"openquell/components"
+	. "openquell/components"
+	"openquell/config"
+	. "openquell/config"
+	"openquell/observers"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/mlange-42/arche/ecs"
+	"github.com/mlange-42/arche/generic"
+)
+
+type ObstacleSystem struct {
+	World    *ecs.World
+	Selector *generic.Filter3[Position, Obstacle, Renderable]
+}
+
+func NewObstacleSystem(world *ecs.World) *ObstacleSystem {
+	system := &ObstacleSystem{
+		Selector: generic.NewFilter3[Position, Obstacle, Renderable](),
+		World:    world,
+	}
+
+	return system
+}
+
+func (system *ObstacleSystem) Update() {
+	playerobserver := observers.GetPlayerObserver(system.World)
+	gameobserver := observers.GetGameObserver(system.World)
+
+	if gameobserver.Lost {
+		return
+	}
+
+	posID := ecs.ComponentID[components.Position](system.World)
+	veloID := ecs.ComponentID[components.Velocity](system.World)
+
+	EntitiesToRemove := []ecs.Entity{}
+
+	query := system.Selector.Query(system.World)
+	gameover := false
+
+	for query.Next() {
+		obsposition, obstacle, _ := query.Get()
+
+		for player := range playerobserver.Entities {
+			playerposition := (*Position)(system.World.Get(player, posID))
+			playervelocity := (*Velocity)(system.World.Get(player, veloID))
+
+			ok, _ := playerposition.Intersects(obsposition, playervelocity)
+			if ok {
+				slog.Debug("bumped into obstacle", "obstacle", obstacle)
+				EntitiesToRemove = append(EntitiesToRemove, player)
+				gameover = true
+			}
+		}
+	}
+
+	for _, entity := range EntitiesToRemove {
+		system.World.RemoveEntity(entity)
+	}
+
+	if gameover {
+		// winner, winner,  chicken dinner!
+		timer := gameobserver.StopTimer
+
+		if !timer.Running {
+			timer.Start(LEVEL_END_WAIT)
+		}
+
+		gameobserver.Gameover()
+	}
+}
+
+func (system *ObstacleSystem) Draw(screen *ebiten.Image) {
+	// write the movable tiles
+	op := &ebiten.DrawImageOptions{}
+	query := system.Selector.Query(system.World)
+
+	for query.Next() {
+		pos, _, sprite := query.Get()
+
+		op.GeoM.Reset()
+		op.GeoM.Translate(float64(pos.X), float64(pos.Y))
+
+		screen.DrawImage(sprite.Image, op)
+	}
+}
+
+func (system *ObstacleSystem) AddParticle(position *components.Position) {
+	particleobserver := observers.GetParticleObserver(system.World)
+
+	ptmapper := generic.NewMap3[
+		components.Position,
+		components.Particle,
+		components.Timer,
+	](system.World)
+
+	entity := ptmapper.New()
+	pos, particle, timer := ptmapper.Get(entity)
+	particleobserver.AddEntity(entity)
+
+	particle.Index = assets.Tiles['*'].Particle
+	particle.Particles = assets.Tiles['*'].Particles
+
+	pos.Update(
+		position.X-(16), // FIXME: use global tilesize!
+		position.Y-(16),
+		64,
+	)
+
+	timer.Start(config.PARTICLE_LOOPWAIT)
+}

systems/player_system.go

@@ -15,6 +15,7 @@ type PlayerSystem struct {
 	Selector    *generic.Filter5[Position, Velocity, Player, Renderable, Speed]
 	Particle    *ParticleSystem
 	Collectible *CollectibleSystem
+	Obstacle    *ObstacleSystem
 	Grid        *GridSystem
 }
 
@@ -23,6 +24,7 @@ func NewPlayerSystem(world *ecs.World, grid *GridSystem) *PlayerSystem {
 		Selector:    generic.NewFilter5[Position, Velocity, Player, Renderable, Speed](),
 		Particle:    NewParticleSystem(world, grid.Tilesize),
 		Collectible: NewCollectibleSystem(world),
+		Obstacle:    NewObstacleSystem(world),
 		Grid:        grid,
 		World:       world,
 	}
@@ -75,6 +77,7 @@ func (system PlayerSystem) Update() error {
 
 	system.Particle.Update()
 	system.Collectible.Update()
+	system.Obstacle.Update()
 
 	return nil
 }
@@ -93,6 +96,7 @@ func (system *PlayerSystem) Draw(screen *ebiten.Image) {
 		screen.DrawImage(sprite.Image, op)
 	}
 
+	system.Obstacle.Draw(screen)
 	system.Collectible.Draw(screen)
 	system.Particle.Draw(screen)
 }