// Sets up anything that wouldn't have been loaded from disk, including
// all opengl data, and sets up finalizers for that data.
func (d *Dictionary) setupGlStuff() {
d.dlists = make(map[string]uint32)
d.strs = make(map[string]strBuffer)
d.pars = make(map[string]strBuffer)
// TODO: This finalizer is untested
runtime.SetFinalizer(d, func(d *Dictionary) {
render.Queue(func() {
for _, v := range d.dlists {
gl.DeleteLists(gl.Uint(v), 1)
}
})
})
render.Queue(func() {
gl.Enable(gl.TEXTURE_2D)
gl.GenTextures(1, (*gl.Uint)(&d.texture))
gl.BindTexture(gl.TEXTURE_2D, gl.Uint(d.texture))
gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
glu.Build2DMipmaps(gl.TEXTURE_2D, 4, d.data.Dx, d.data.Dy, gl.RGBA, d.data.Pix)
gl.Disable(gl.TEXTURE_2D)
})
}
// Creates a LosTexture with the specified size, which must be a power of two.
func MakeLosTexture() *LosTexture {
var lt LosTexture
lt.pix = make([]byte, LosTextureSizeSquared)
lt.p2d = make([][]byte, LosTextureSize)
lt.rec = make(chan gl.Texture, 1)
for i := 0; i < LosTextureSize; i++ {
lt.p2d[i] = lt.pix[i*LosTextureSize : (i+1)*LosTextureSize]
}
render.Queue(func() {
gl.Enable(gl.TEXTURE_2D)
tex := gl.GenTexture()
tex.Bind(gl.TEXTURE_2D)
gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.ALPHA, len(lt.p2d), len(lt.p2d), 0, gl.ALPHA, gl.BYTE, lt.pix)
lt.rec <- tex
runtime.SetFinalizer(<, losTextureFinalize)
})
return <
}
// Launch this in its own go-routine if you want to occassionally
// delete textures that haven't been used in a while.
func (m *Manager) Scavenger() {
var unused []string
for {
time.Sleep(time.Minute)
unused = unused[0:0]
m.mutex.RLock()
for s, d := range m.registry {
if generation-d.accessed >= 2 {
unused = append(unused, s)
}
}
m.mutex.RUnlock()
m.mutex.Lock()
generation++
if len(unused) == 0 {
m.mutex.Unlock()
continue
}
var unused_data []*Data
for _, s := range unused {
unused_data = append(unused_data, m.registry[s])
m.deleted[s] = m.registry[s]
delete(m.registry, s)
}
render.Queue(func() {
for _, d := range unused_data {
d.texture.Delete()
d.texture = 0
}
})
m.mutex.Unlock()
}
}
func (m *Manager) LoadSprite(path string) (*Sprite, error) {
// We can't run this during an init() function because it will get queued to
// run before the opengl context is created, so we just check here and run
// it if we haven't run it before.
gen_tex_once.Do(func() {
render.Queue(func() {
gl.Enable(gl.TEXTURE_2D)
error_texture = gl.GenTexture()
error_texture.Bind(gl.TEXTURE_2D)
gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
pink := []byte{255, 0, 255, 255}
glu.Build2DMipmaps(gl.TEXTURE_2D, 4, 1, 1, gl.RGBA, pink)
})
})
path = filepath.Clean(path)
err := m.loadSharedSprite(path)
if err != nil {
return nil, err
}
var s Sprite
m.mutex.Lock()
s.shared = m.shared[path]
m.mutex.Unlock()
s.anim_node = s.shared.anim_start
s.state_node = s.shared.state_start
return &s, nil
}
// Updates OpenGl with any changes that have been made to the texture.
// OpenGl calls in this method are run on the render thread
func (lt *LosTexture) Remap() {
if !lt.ready() {
return
}
render.Queue(func() {
gl.Enable(gl.TEXTURE_2D)
lt.tex.Bind(gl.TEXTURE_2D)
gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, len(lt.p2d), len(lt.p2d), gl.ALPHA, lt.pix)
})
}
func (s *sheet) loadRoutine() {
ready := make(chan bool, 1)
pixer := make(chan []byte)
for load := range s.load_chan {
if load {
go s.compose(pixer)
go func() {
render.Queue(func() {
s.makeTexture(pixer)
ready <- true
})
}()
} else {
go func() {
<-ready
render.Queue(func() {
s.texture.Delete()
s.texture = 0
})
}()
}
}
}
func setupTextureList() {
textureListSync.Do(func() {
render.Queue(func() {
textureList = gl.GenLists(1)
gl.NewList(textureList, gl.COMPILE)
gl.Begin(gl.QUADS)
gl.TexCoord2d(0, 0)
gl.Vertex2i(0, 0)
gl.TexCoord2d(0, -1)
gl.Vertex2i(0, 1)
gl.TexCoord2d(1, -1)
gl.Vertex2i(1, 1)
gl.TexCoord2d(1, 0)
gl.Vertex2i(1, 0)
gl.End()
gl.EndList()
})
})
}
func main() {
defer func() {
if r := recover(); r != nil {
data := debug.Stack()
base.Error().Printf("PANIC: %v\n", r)
base.Error().Printf("PANIC: %s\n", string(data))
base.CloseLog()
fmt.Printf("PANIC: %s\n", string(data))
}
}()
base.Log().Printf("Version %s", Version())
sys.Startup()
sound.Init()
render.Init()
render.Queue(func() {
sys.CreateWindow(10, 10, wdx, wdy)
sys.EnableVSync(true)
err := gl.Init()
if err != nil {
panic(err)
}
gl.Enable(gl.BLEND)
gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA)
})
base.InitShaders()
runtime.GOMAXPROCS(8)
ui, err := gui.Make(gin.In(), gui.Dims{wdx, wdy}, filepath.Join(datadir, "fonts", "skia.ttf"))
if err != nil {
panic(err.Error())
}
loadAllRegistries()
// TODO: Might want to be able to reload stuff, but this is sensitive because it
// is loading textures. We should probably redo the sprite system so that this
// is easier to safely handle.
game.LoadAllEntities()
// Set up editors
editors = map[string]house.Editor{
"room": house.MakeRoomEditorPanel(),
"house": house.MakeHouseEditorPanel(),
}
for name, editor := range editors {
path := base.GetStoreVal(fmt.Sprintf("last %s path", name))
path = filepath.Join(datadir, path)
if path != "" {
editor.Load(path)
}
}
editor_name = "room"
editor = editors[editor_name]
edit_mode := false
game.Restart = func() {
base.Log().Printf("Restarting...")
ui.RemoveChild(game_box)
game_box = &lowerLeftTable{gui.MakeAnchorBox(gui.Dims{1024, 768})}
err = game.InsertStartMenu(game_box)
if err != nil {
panic(err)
}
ui.AddChild(game_box)
base.Log().Printf("Restarted")
}
game.Restart()
if base.IsDevel() {
ui.AddChild(base.MakeConsole())
}
sys.Think()
// Wait until now to create the dictionary because the render thread needs
// to be running in advance.
render.Queue(func() {
ui.Draw()
})
render.Purge()
var profile_output *os.File
heap_prof_count := 0
for key_map["quit"].FramePressCount() == 0 {
sys.Think()
render.Queue(func() {
sys.SwapBuffers()
ui.Draw()
})
render.Purge()
for _, child := range game_box.GetChildren() {
if gp, ok := child.(*game.GamePanel); ok {
game_panel = gp
}
}
if base.IsDevel() {
if key_map["cpu profile"].FramePressCount() > 0 {
if profile_output == nil {
profile_output, err = os.Create(filepath.Join(datadir, "cpu.prof"))
if err == nil {
err = pprof.StartCPUProfile(profile_output)
if err != nil {
base.Log().Printf("Unable to start CPU profile: %v\n", err)
profile_output.Close()
profile_output = nil
}
base.Log().Printf("profout: %v\n", profile_output)
} else {
base.Log().Printf("Unable to start CPU profile: %v\n", err)
}
} else {
pprof.StopCPUProfile()
profile_output.Close()
profile_output = nil
}
}
if key_map["heap profile"].FramePressCount() > 0 {
out, err := os.Create(filepath.Join(datadir, fmt.Sprintf("heap-%d.prof", heap_prof_count)))
heap_prof_count++
if err == nil {
err = pprof.WriteHeapProfile(out)
out.Close()
if err != nil {
base.Warn().Printf("Unable to write heap profile: %v", err)
}
} else {
base.Warn().Printf("Unable to create heap profile: %v", err)
}
}
if key_map["manual mem"].FramePressCount() > 0 {
base.Log().Printf(memory.TotalAllocations())
}
if key_map["game mode"].FramePressCount()%2 == 1 {
base.Log().Printf("Game mode change: %t", edit_mode)
if edit_mode {
ui.RemoveChild(editor)
ui.AddChild(game_box)
} else {
ui.RemoveChild(game_box)
ui.AddChild(editor)
}
edit_mode = !edit_mode
if key_map["row up"].FramePressCount() > 0 {
house.Num_rows += 25
}
if key_map["row down"].FramePressCount() > 0 {
house.Num_rows -= 25
}
if key_map["steps up"].FramePressCount() > 0 {
house.Num_steps++
}
if key_map["steps down"].FramePressCount() > 0 {
house.Num_steps--
}
if key_map["noise up"].FramePressCount() > 0 {
house.Noise_rate += 10
}
if key_map["noise down"].FramePressCount() > 0 {
house.Noise_rate -= 10
}
if key_map["foo"].FramePressCount() > 0 {
house.Foo = (house.Foo + 1) % 2
}
}
if edit_mode {
editMode()
} else {
gameMode()
}
}
// Draw a cursor at the cursor - for testing an osx bug in glop.
// zx, zy := gin.In().GetCursor("Mouse").Point()
// render.Queue(func() {
// gl.Color4ub(255, 0, 0, 255)
// gl.Begin(gl.LINES)
// {
// gl.Vertex2i(int32(zx-25), int32(zy))
// gl.Vertex2i(int32(zx+25), int32(zy))
// gl.Vertex2i(int32(zx), int32(zy-25))
// gl.Vertex2i(int32(zx), int32(zy+25))
// }
// gl.End()
// })
}
}
func losTextureFinalize(lt *LosTexture) {
render.Queue(func() {
gl.Enable(gl.TEXTURE_2D)
lt.tex.Delete()
})
}
func handleLoadRequest(req loadRequest) {
f, _ := os.Open(req.path)
im, _, err := image.Decode(f)
f.Close()
if err != nil {
return
}
gray := true
dx := im.Bounds().Dx()
dy := im.Bounds().Dy()
for i := 0; i < dx; i++ {
for j := 0; j < dy; j++ {
r, g, b, _ := im.At(i, j).RGBA()
if r != g || g != b {
gray = false
break
}
}
if !gray {
break
}
}
var canvas draw.Image
var pix []byte
if gray {
ga := NewGrayAlpha(im.Bounds())
pix = ga.Pix
canvas = ga
} else {
pix = memory.GetBlock(4 * req.data.dx * req.data.dy)
canvas = &image.RGBA{pix, 4 * req.data.dx, im.Bounds()}
}
draw.Draw(canvas, im.Bounds(), im, image.Point{}, draw.Src)
load_mutex.Lock()
load_count += len(pix)
manual_unlock := false
// This prevents us from trying to send too much to opengl in a single
// frame. If we go over the threshold then we hold the lock until we're
// done sending data to opengl, then other requests will be free to
// queue up and they will run on the next frame.
if load_count < load_threshold {
load_mutex.Unlock()
} else {
manual_unlock = true
}
render.Queue(func() {
{
gl.Enable(gl.TEXTURE_2D)
req.data.texture = gl.GenTexture()
req.data.texture.Bind(gl.TEXTURE_2D)
gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
}
if gray {
glu.Build2DMipmaps(gl.TEXTURE_2D, gl.LUMINANCE_ALPHA, req.data.dx, req.data.dy, gl.LUMINANCE_ALPHA, pix)
} else {
glu.Build2DMipmaps(gl.TEXTURE_2D, gl.RGBA, req.data.dx, req.data.dy, gl.RGBA, pix)
}
memory.FreeBlock(pix)
if manual_unlock {
load_count = 0
load_mutex.Unlock()
}
})
}
func InitShaders() {
render.Queue(func() {
vertex_shaders = make(map[string]uint32)
fragment_shaders = make(map[string]uint32)
shader_progs = make(map[string]uint32)
warned_names = make(map[string]bool)
RemoveRegistry("shaders")
RegisterRegistry("shaders", make(map[string]*shaderDef))
RegisterAllObjectsInDir("shaders", filepath.Join(GetDataDir(), "shaders"), ".json", "json")
names := GetAllNamesInRegistry("shaders")
for _, name := range names {
// Load the shader files
shader := Shader{Defname: name}
GetObject("shaders", &shader)
vdata, err := ioutil.ReadFile(filepath.Join(GetDataDir(), shader.Vertex_path))
if err != nil {
Error().Printf("Unable to load vertex shader '%s': %v", shader.Vertex_path, err)
continue
}
fdata, err := ioutil.ReadFile(filepath.Join(GetDataDir(), shader.Fragment_path))
if err != nil {
Error().Printf("Unable to load fragment shader '%s': %v", shader.Fragment_path, err)
continue
}
// Create the vertex shader
vertex_id, ok := vertex_shaders[shader.Vertex_path]
if !ok {
vertex_id = uint32(gl.CreateShader(gl.VERTEX_SHADER))
pointer := &vdata[0]
length := int32(len(vdata))
gl.ShaderSource(gl.Uint(vertex_id), 1, (**gl.Char)(unsafe.Pointer(&pointer)), (*gl.Int)(&length))
gl.CompileShader(gl.Uint(vertex_id))
var param int32
gl.GetShaderiv(gl.Uint(vertex_id), gl.COMPILE_STATUS, (*gl.Int)(¶m))
if param == 0 {
Error().Printf("Failed to compile vertex shader '%s': %v", shader.Vertex_path, param)
continue
}
}
// Create the fragment shader
fragment_id, ok := fragment_shaders[shader.Fragment_path]
if !ok {
fragment_id = uint32(gl.CreateShader(gl.FRAGMENT_SHADER))
pointer := &fdata[0]
length := int32(len(fdata))
gl.ShaderSource(gl.Uint(fragment_id), 1, (**gl.Char)(unsafe.Pointer(&pointer)), (*gl.Int)(&length))
gl.CompileShader(gl.Uint(fragment_id))
var param int32
gl.GetShaderiv(gl.Uint(fragment_id), gl.COMPILE_STATUS, (*gl.Int)(¶m))
if param == 0 {
Error().Printf("Failed to compile fragment shader '%s': %v", shader.Fragment_path, param)
continue
}
}
// shader successfully compiled - now link
program_id := gl.CreateProgram()
gl.AttachShader(program_id, gl.Uint(vertex_id))
gl.AttachShader(program_id, gl.Uint(fragment_id))
gl.LinkProgram(program_id)
var param int32
gl.GetProgramiv(program_id, gl.LINK_STATUS, (*gl.Int)(¶m))
if param == 0 {
Error().Printf("Failed to link shader '%s': %v", shader.Name, param)
continue
}
vertex_shaders[shader.Vertex_path] = vertex_id
fragment_shaders[shader.Fragment_path] = fragment_id
shader_progs[shader.Name] = uint32(program_id)
}
})
}