92 lines
1.9 KiB
Go
92 lines
1.9 KiB
Go
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package main
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import (
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"errors"
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"image/color"
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"log"
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"github.com/hajimehoshi/ebiten/v2"
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)
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var errorTaskTerminated = errors.New("freego: task terminated")
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type task func() error
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// ViewBoard represents the game board.
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type ViewBoard struct {
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size int
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tiles map[*ViewTile]struct{}
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tasks []task
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}
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// NewViewBoard generates a new ViewBoard with giving a size.
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func NewViewBoard(g *Game) (*ViewBoard, error) {
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size := g.board.size
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b := &ViewBoard{
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size: size,
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tiles: map[*ViewTile]struct{}{},
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}
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for i := 0; i < size; i++ {
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for j := 0; j < size; j++ {
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b.tiles[NewViewTile(i, j, g.board.board[i][j])] = struct{}{}
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}
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}
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return b, nil
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}
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//func (b *ViewBoard) tileAt(x, y int) *Tile {
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// return tileAt(b.tiles, x, y)
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//}
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// Update updates the board state.
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func (b *ViewBoard) Update(input *Input) error {
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for t := range b.tiles {
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if err := t.Update(); err != nil {
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return err
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}
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}
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if 0 < len(b.tasks) {
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t := b.tasks[0]
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if err := t(); err == errorTaskTerminated {
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b.tasks = b.tasks[1:]
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} else if err != nil {
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return err
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}
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return nil
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}
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if dir, ok := input.Dir(); ok {
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//if err := b.Move(dir); err != nil {
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// return err
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//}
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log.Println(dir)
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}
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return nil
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}
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// Draw draws the board to the given boardImage.
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func (b *ViewBoard) Draw(boardImage *ebiten.Image) {
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boardImage.Fill(color.RGBA{0xbb, 0xad, 0xa0, 0xff})
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for j := 0; j < b.size; j++ {
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for i := 0; i < b.size; i++ {
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//v := 0
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op := &ebiten.DrawImageOptions{}
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x := i*tileSize + (i+1)*tileMargin
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y := j*tileSize + (j+1)*tileMargin
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op.GeoM.Translate(float64(x), float64(y))
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//op.ColorM.ScaleWithColor(tileBackgroundColor(v))
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boardImage.DrawImage(tileImage, op)
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}
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}
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for t := range b.tiles {
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t.Draw(boardImage)
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}
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}
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// Size returns the board size.
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func (b *ViewBoard) Size() (int, int) {
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x := b.size*tileSize + (b.size+1)*tileMargin
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y := x
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return x, y
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}
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