func (gw *GameWindow) Draw(region g2.Region, style g2.StyleStack) {
defer base.StackCatcher()
defer func() {
// gl.Translated(gl.Double(gw.region.X), gl.Double(gw.region.Y), 0)
gl.Disable(gl.TEXTURE_2D)
gl.Color4ub(255, 255, 255, 255)
gl.LineWidth(3)
gl.Begin(gl.LINES)
bx, by := gl.Int(region.X), gl.Int(region.Y)
bdx, bdy := gl.Int(region.Dx), gl.Int(region.Dy)
gl.Vertex2i(bx, by)
gl.Vertex2i(bx, by+bdy)
gl.Vertex2i(bx, by+bdy)
gl.Vertex2i(bx+bdx, by+bdy)
gl.Vertex2i(bx+bdx, by+bdy)
gl.Vertex2i(bx+bdx, by)
gl.Vertex2i(bx+bdx, by)
gl.Vertex2i(bx, by)
gl.End()
gl.LineWidth(1)
}()
gw.Engine.Pause()
game := gw.Engine.GetState().(*Game)
// Note that since we do a READER lock on game.local we cannot do any writes
// to local data while rendering.
game.local.RLock()
game.RenderLocal(region)
game.local.RUnlock()
gw.Engine.Unpause()
}
func main() {
defer base.StackCatcher()
sys.Startup()
err := gl.Init()
if err != nil {
base.Error().Fatalf("%v", err)
}
render.Init()
render.Queue(func() {
sys.CreateWindow(10, 10, wdx, wdy)
sys.EnableVSync(true)
})
base.InitShaders()
runtime.GOMAXPROCS(10)
sys.Think()
base.LoadAllDictionaries()
if Version() != "standard" {
engine := debugHookup(Version())
mainLoop(engine, "standard")
} else {
// TODO: Reimplement standard hookup
}
}
func init() {
load_requests = make(chan loadRequest, 10)
pipe := make(chan loadRequest, 10)
// We want to be able to handle any number of incoming load requests, so
// we have one go-routine collect them all and send them along pipe any
// time someone is ready to receive one.
go func() {
defer base.StackCatcher()
var rs []loadRequest
var send chan loadRequest
var hold loadRequest
for {
select {
case r := <-load_requests:
rs = append(rs, r)
case send <- hold:
rs = rs[1:]
}
if len(rs) > 0 {
send = pipe
hold = rs[0]
} else {
// If send is nil then it will effectively be excluded from the select
// statement above. This is good since we won't have anything to send
// until we get more requests.
rs = nil
send = nil
}
}
}()
for i := 0; i < 4; i++ {
go loadTextureRoutine(pipe)
}
}
func (g *Game) Think() {
defer base.StackCatcher()
switch {
case g.Setup != nil:
g.ThinkSetup()
default:
g.ThinkGame()
}
}