core

type AnimatedImage struct {
	*MovableImage
	SubImageStartX int
	SubImageStartY int

	SubImageWidth  int
	SubImageHeight int

	FrameCount int

	// Move to next frame everytime counter reach this number
	Modulo int

	Done func()
	// contains filtered or unexported fields
}

type BGChangeEvent struct {

	// start position
	Sx float64
	Sy float64

	// target position
	Tx     float64
	Ty     float64
	Speed  float64
	Shader *ebiten.Shader
	// contains filtered or unexported fields
}

type BranchingDialogueEvent struct {
	Name            string
	SceneDataKey    string
	BranchingStruct map[string]string
}

type BranchingJumpEvent struct {
	SceneDataKey  string
	BranchingJump map[string]int
}

type Character struct {
	Name string
	Img  *MovableImage
}

type CharacterAddShaderEvent struct {
	Name   string
	Shader *ebiten.Shader
}

type CharacterMoveEvent struct {
	Name string
	MoveParam
}

type CharacterRemoveEvent struct {
	Name string
}

type CharacterViewEvent struct {
	Name       string
	MoveParam  *MoveParam
	ScaleParam *ScaleParam
}

type ComplexEvent struct {
	Events []Event
}

type DialogueEvent struct {
	Name     string
	Dialogue string
	FontFace font.Face
}

type Event interface {
	// do something on the screen
	Execute(scene *Scene)
}

type GetLayouter interface {
	// return width and height of the scene
	GetLayout() (width, height int)
	// return the starting text position where the box containing name of the character appear on the scene
	// return negative number if no such box needed
	GetNamePosition() (x, y int)
	// get the starting position of the text
	GetTextPosition() (x, y int)
}

type ImageLoader interface {
	GetImage(key string) (*ebiten.Image, error)
}

type MovableImage struct {
	ScaleParam *ScaleParam

	// animation stuff
	CurrMove       *MoveAnimation
	AnimationQueue []*MoveAnimation
	Shader         *ebiten.Shader
	// contains filtered or unexported fields
}

type MovableImageParams struct {
	MoveParam     MoveParam
	ScaleParam    *ScaleParam
	ShaderOptions *ShaderParam
}

type MoveAnimation struct {
	Speed     float64
	SleepPre  time.Duration
	SleepPost time.Duration
	DoneFunc  func()
	// contains filtered or unexported fields
}

type MoveParam struct {
	Sx float64
	Sy float64
	Tx float64
	Ty float64

	Speed float64
}

type OptionPickerState struct {
	Scene         *Scene
	Question      string
	Options       []string
	OptionsYStart []int
}

type OptionSelectEvent struct {
	Question string
	Options  []string
	Selected string
}

type ScaleParam struct {
	Sx float64
	Sy float64
}

type Scene struct {
	EventIndex int
	Events     []Event
	CurrentBg  *MovableImage

	// text stuff
	TxtBg       *ebiten.Image
	CurCharName string
	CurDialog   string
	FontFace    font.Face

	SceneData map[string]any

	//characters/sprite stuff
	// Characters used in the scene
	Characters []*Character
	// Characters viewable in the scene
	// Any character that needs to be shown will be moved here
	ViewableCharacters []*Character

	//substates and its management
	CurrentSubState     SubState
	OptionPikerSubstate SubState
	// this function is executed after the scene complete
	Done func()
	// contains filtered or unexported fields
}

type ShaderParam struct {
	Shader     *ebiten.Shader
	ShaderName string
}

type ShaderPool struct {
	// contains filtered or unexported fields
}

type SubState interface {
	Draw(screen *ebiten.Image)
	Update()
}

type TxtBgGetter interface {
	GetTxtBg() *ebiten.Image
}