func drawGameNextPiece(screen *image.Image, world *World, engine *mygameengine.MyGameEngine) {
piece := world.GetNextPiece()
pieceBlocks := piece.GetBlocks()
pieceSize := piece.GetSize()
marginLeft := uint(15)
marginTop := uint(8)
width := uint(6)
// border
for y := uint(0); y < width; y++ {
for x := uint(0); x < width; x++ {
if x == 0 || y == 0 || x == 5 || y == 5 {
screen.BlitAt(
engine.Assets().Get(IMG_BLOCK_05),
int(BLOCK_SIZE*marginLeft+uint(x)*BLOCK_SIZE),
int(BLOCK_SIZE*marginTop+uint(y)*BLOCK_SIZE),
)
}
}
}
// piece
for y := uint(0); y < pieceSize; y++ {
for x := uint(0); x < pieceSize; x++ {
if pieceBlocks[y][x] != nil {
image := blockToImage(pieceBlocks[y][x], engine)
screen.BlitAt(
image,
int(BLOCK_SIZE*(marginLeft+1)+uint(x)*BLOCK_SIZE),
int(BLOCK_SIZE*(marginTop+1)+uint(y)*BLOCK_SIZE),
)
}
}
}
}
func drawGameGridBorders(screen *image.Image, world *World, engine *mygameengine.MyGameEngine) {
gridWidth := world.GetGridWidth()
gridHeight := world.GetGridHeight()
for y := uint(0); y < gridHeight; y++ {
screen.BlitAt(engine.Assets().Get(IMG_BLOCK_05), 0, int(y*BLOCK_SIZE))
screen.BlitAt(engine.Assets().Get(IMG_BLOCK_06), int(gridWidth*BLOCK_SIZE+BLOCK_SIZE), int(y*BLOCK_SIZE))
}
for x := uint(0); x < gridWidth+2; x++ {
screen.BlitAt(engine.Assets().Get(IMG_BLOCK_06), int(x*BLOCK_SIZE), int(gridHeight*BLOCK_SIZE))
}
}
func Game(engine *mygameengine.MyGameEngine) *mygameengine.Board {
loadAssets(engine)
gameBoard := mygameengine.NewBoard()
world := NewWorld()
world.OnGameOver(func() {
world.Stop()
engine.Boards().SetCurrent(engine.Boards().Get("intro"))
})
gameBoard.OnStart(world.Start)
gameBoard.OnKeyDown(keyHandler(world))
gameBoard.OnRepaint(repaintHandler(engine, world))
return gameBoard
}
func blockToImage(block *Block, engine *mygameengine.MyGameEngine) *image.Image {
switch block.GetShape() {
case 1:
return engine.Assets().Get(IMG_BLOCK_01)
case 2:
return engine.Assets().Get(IMG_BLOCK_02)
case 3:
return engine.Assets().Get(IMG_BLOCK_03)
case 4:
return engine.Assets().Get(IMG_BLOCK_04)
}
return nil
}
func loadAssets(engine *mygameengine.MyGameEngine) {
engine.Assets().Png(IMG_BLOCK_01)
engine.Assets().Png(IMG_BLOCK_02)
engine.Assets().Png(IMG_BLOCK_03)
engine.Assets().Png(IMG_BLOCK_04)
engine.Assets().Png(IMG_BLOCK_05)
engine.Assets().Png(IMG_BLOCK_06)
}
func Intro(engine *mygameengine.MyGameEngine) *mygameengine.Board {
engine.Assets().Png(IMG_ROTATING_BG)
engine.Assets().Png(IMG_TITLE)
engine.Assets().Png(IMG_PRESS_SPACE)
intro := mygameengine.NewBoard()
intro.OnKeyDown(func(key int) {
fmt.Println("intro: KEY DOWN", key)
if key == mygameengine.KEY_SPACE {
engine.Boards().SetCurrent(engine.Boards().Get("game"))
}
})
intro.OnRepaint(func(screen *image.Image) {
frame := intro.GetFrame()
drawIntroBackground(screen, frame, engine.Assets().Get(IMG_ROTATING_BG))
screen.BlitAt(engine.Assets().Get(IMG_TITLE), 130, 140)
drawIntroText(screen, frame, engine.Assets().Get(IMG_PRESS_SPACE))
drawIntroMask(screen, frame, engine.GetFps())
})
return intro
}