func (self *GameSession) drawPlaying() {
self.Field.Draw(self.cx, self.cy)
self.Figure.Draw(self.cx, self.cy)
gl.Color3ub(255, 255, 255)
self.font.Draw(self.cx+self.Field.PixelsWidth()+50, self.cy+5, "Next:")
self.NextFigure.Draw(self.cx+self.Field.PixelsWidth(), self.cy+50)
}
func drawBlock(x, y int, color TetrisBlockColor) {
glx := gl.GLint(x)
gly := gl.GLint(y)
gl.Color3ub(color.R/2, color.G/2, color.B/2)
gl.Begin(gl.QUADS)
gl.Vertex2i(int(glx), int(gly))
gl.Vertex2i(int(glx+blockSize), int(gly))
gl.Vertex2i(int(glx+blockSize), int(gly+blockSize))
gl.Vertex2i(int(glx), int(gly+blockSize))
gl.Color3ub(color.R, color.G, color.B)
gl.Vertex2i(int(glx+smallBlockOffset), int(gly+smallBlockOffset))
gl.Vertex2i(int(glx+blockSize-smallBlockOffset), int(gly+smallBlockOffset))
gl.Vertex2i(int(glx+blockSize-smallBlockOffset), int(gly+blockSize-smallBlockOffset))
gl.Vertex2i(int(glx+smallBlockOffset), int(gly+blockSize-smallBlockOffset))
gl.End()
}
func drawSelection(p1, p2 Point) {
min, max := minMaxPoints(p1, p2)
gl.Color3ub(255, 0, 0)
gl.Begin(gl.LINES)
gl.Vertex2i(int(min.X), int(min.Y))
gl.Vertex2i(int(max.X), int(min.Y))
gl.Vertex2i(int(min.X), int(min.Y))
gl.Vertex2i(int(min.X), int(max.Y))
gl.Vertex2i(int(max.X), int(max.Y))
gl.Vertex2i(int(max.X), int(min.Y))
gl.Vertex2i(int(max.X), int(max.Y))
gl.Vertex2i(int(min.X), int(max.Y))
gl.End()
gl.Color3ub(255, 255, 255)
}
func drawProgress(w, h, percents, pending int) {
switch pending {
case None:
gl.Color3ub(200, 0, 0)
drawQuad(0, h-BarSize, w, BarSize, 0, 0, 1, 1)
gl.Color3ub(255, 255, 255)
return
case Small:
gl.Color3ub(200, 200, 0)
case Big:
gl.Color3ub(200, 200, 0)
drawQuad(0, h-BarSize, w, BarSize, 0, 0, 1, 1)
gl.Color3ub(200, 0, 0)
}
step := float32(w) / 100
drawQuad(0, h-BarSize, int(float32(percents)*step), BarSize, 0, 0, 1, 1)
gl.Color3ub(255, 255, 255)
}
func main() {
runtime.LockOSThread()
flag.Parse()
sdl.Init(sdl.INIT_VIDEO)
defer sdl.Quit()
sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)
if sdl.SetVideoMode(640, 480, 32, sdl.OPENGL) == nil {
panic("sdl error")
}
sdl.WM_SetCaption("Gotris", "Gotris")
sdl.EnableKeyRepeat(250, 45)
gl.Enable(gl.TEXTURE_2D)
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
gl.Viewport(0, 0, 640, 480)
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
gl.Ortho(0, 640, 480, 0, -1, 1)
gl.ClearColor(0, 0, 0, 0)
//-----------------------------------------------------------------------------
font, err := LoadFontFromFile("dejavu.font")
if err != nil {
panic(err)
}
rand.Seed(int64(sdl.GetTicks()))
gs := NewGameSession(*initLevel, font)
lastTime := sdl.GetTicks()
running := true
for running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
running = false
case *sdl.KeyboardEvent:
if e.Type == sdl.KEYDOWN {
running = gs.HandleKey(e.Keysym.Sym)
}
}
}
now := sdl.GetTicks()
delta := now - lastTime
lastTime = now
gs.Update(delta)
gl.Clear(gl.COLOR_BUFFER_BIT)
font.Draw(5, 5, fmt.Sprintf("Level: %d | Score: %d", gs.Level, gs.Score))
gs.Draw()
gl.Color3ub(255, 255, 255)
sdl.GL_SwapBuffers()
}
}
func (self *GameSession) drawGamePaused() {
self.drawPlaying()
gl.Color3ub(200, 200, 0)
self.font.Draw(self.pauseCx, 5, "Game paused, press P to resume")
}
func (self *GameSession) drawGameOver() {
self.drawPlaying()
gl.Color3ub(200, 0, 0)
self.font.Draw(self.gameOverCx, 5, "Game Over, restart? y/n")
}