openquell/game/level_scene.go

package game

import (
	"fmt"
	"log/slog"
	"openquell/assets"

	"github.com/hajimehoshi/ebiten/v2"
	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
)

type LevelScene struct {
	Game         *Game
	CurrentLevel int
	Levels       []*Level
	Next         SceneName
	Whoami       SceneName
	UseCache     bool
}

// Implements the actual playing Scene
func NewLevelScene(game *Game, startlevel int) Scene {
	scene := &LevelScene{Whoami: Play, Next: Play, Game: game}

	scene.GenerateLevels(game)
	scene.SetLevel(startlevel)

	return scene
}

func (scene *LevelScene) GenerateLevels(game *Game) {
	for _, level := range assets.Levels {
		scene.Levels = append(scene.Levels, NewLevel(game, 32, &level))
	}

	scene.Game.Levels = scene.Levels
}

func (scene *LevelScene) SetLevel(level int) {
	scene.CurrentLevel = level
	scene.Levels[scene.CurrentLevel].SetupGrid(scene.Game)
}

// Interface methods
func (scene *LevelScene) SetNext(next SceneName) {
	scene.Next = next
}

func (scene *LevelScene) GetNext() SceneName {
	// FIXME: set to winner or options screen
	return scene.Next
}

func (scene *LevelScene) ResetNext() {
	scene.Next = scene.Whoami
}

func (scene *LevelScene) Clearscreen() bool {
	return false
}

func (scene *LevelScene) Update() error {
	scene.Levels[scene.CurrentLevel].Update()

	switch {
	case ebiten.IsKeyPressed(ebiten.KeyEscape):
		scene.SetNext(Popup)
	}

	return nil
}

func (scene *LevelScene) Draw(screen *ebiten.Image) {
	// FIXME: why not in Update() ?!?!?!
	if scene.CurrentLevel != scene.Game.Observer.CurrentLevel {
		slog.Debug("level", "current", scene.CurrentLevel,
			"next", scene.Game.Observer.CurrentLevel)
		scene.CurrentLevel = scene.Game.Observer.CurrentLevel
		scene.Levels[scene.CurrentLevel].SetupGrid(scene.Game)
	}

	screen.Clear()
	scene.Levels[scene.CurrentLevel].Draw(screen)

	// FIXME: put into hud_system
	op := &ebiten.DrawImageOptions{}
	screen.DrawImage(assets.Assets["hud"], op)
	ebitenutil.DebugPrintAt(screen, fmt.Sprintf(
		"FPS: %02.f  TPS: %02.f",
		ebiten.ActualFPS(),
		ebiten.ActualTPS(),
	), 10, 10)
}