func (p *Plugin) apiAudioPlay(l *lua.State) int {
if p.instance.Audio.IsPlaying() {
l.PushBoolean(false)
return 1
}
obj := luar.NewLuaObject(l, 1)
filename := obj.Get("filename").(string)
callback := obj.GetObject("callback")
obj.Close()
if enc, ok := p.instance.Client.AudioEncoder.(*opus.Encoder); ok {
enc.SetApplication(gopus.Audio)
}
p.instance.Audio.Source = gumble_ffmpeg.SourceFile(filename)
p.instance.Audio.Play()
go func() {
p.instance.Audio.Wait()
if callback.Type != "nil" {
p.callValue(callback)
}
callback.Close()
}()
return 0
}
func pushMap(L *lua.State, m map[string]interface{}, lower bool) {
L.CreateTable(0, len(m))
for k, v := range m {
if lower {
L.PushString(strings.ToLower(k))
} else {
L.PushString(k)
}
switch t := v.(type) {
case string:
L.PushString(t)
case int64:
L.PushInteger(t)
case int:
L.PushInteger(int64(t))
case float64:
L.PushNumber(t)
case bool:
L.PushBoolean(t)
case map[string]interface{}:
pushMap(L, t, false)
default:
L.PushNil()
}
L.SetTable(-3)
}
}
func proxy__eq(L *lua.State) int {
v1, t1 := valueOfProxy(L, 1)
v2, t2 := valueOfProxy(L, 2)
if t1 != t2 {
RaiseError(L, sprintf("mismatched types %s and %s", t1, t2))
}
L.PushBoolean(v1.Interface() == v2.Interface())
return 1
}
func channel_send(L *lua.State) int {
L.PushValue(2)
L.PushValue(1)
L.PushBoolean(true)
return L.Yield(3)
//~ ch,t := valueOfProxy(L,1)
//~ val := valueOf(LuaToGo(L, t.Elem(),2))
//~ ch.Send(val)
//~ return 0
}
func channel_recv(L *lua.State) int {
L.PushValue(1)
L.PushBoolean(false)
return L.Yield(2)
//~ ch,t := valueOfProxy(L,1)
//~ L.Yield(0)
//~ val,ok := ch.Recv()
//~ GoToLua(L,t.Elem(),val)
//~ L.PushBoolean(ok)
//~ L.Resume(0)
//~ return 2
}
func MessThingMovetoMethod(state *lua.State, thing *Thing) int {
state.PushGoFunction(func(state *lua.State) int {
source := checkThing(state, 1)
target := checkThing(state, 2)
ok := source.MoveTo(target)
state.PushBoolean(ok)
return 1
})
return 1
}
func (p *Plugin) apiAudioSetTarget(l *lua.State) int {
if l.GetTop() == 0 {
p.instance.Client.VoiceTarget = nil
return 0
}
voiceTarget, ok := luar.LuaToGo(l, nil, 1).(*gumble.VoiceTarget)
if !ok {
l.PushBoolean(false)
return 1
}
p.instance.Client.Send(voiceTarget)
p.instance.Client.VoiceTarget = voiceTarget
return 0
}
func initializeProxies(L *lua.State) {
flagValue := func() {
L.SetMetaMethod("__tostring", proxy__tostring)
L.SetMetaMethod("__gc", proxy__gc)
L.SetMetaMethod("__eq", proxy__eq)
L.PushBoolean(true)
L.SetField(-2, "luago.value")
L.Pop(1)
}
L.NewMetaTable(cSLICE_META)
L.SetMetaMethod("__index", slice__index)
L.SetMetaMethod("__newindex", slice__newindex)
L.SetMetaMethod("__len", slicemap__len)
L.SetMetaMethod("__ipairs", slice__ipairs)
flagValue()
L.NewMetaTable(cMAP_META)
L.SetMetaMethod("__index", map__index)
L.SetMetaMethod("__newindex", map__newindex)
L.SetMetaMethod("__len", slicemap__len)
L.SetMetaMethod("__pairs", map__pairs)
flagValue()
L.NewMetaTable(cSTRUCT_META)
L.SetMetaMethod("__index", struct__index)
L.SetMetaMethod("__newindex", struct__newindex)
flagValue()
L.NewMetaTable(cINTERFACE_META)
L.SetMetaMethod("__index", interface__index)
flagValue()
L.NewMetaTable(cCHANNEL_META)
//~ RegisterFunctions(L,"*",FMap {
//~ "Send":channel_send,
//~ "Recv":channel_recv,
//~ })
L.NewTable()
L.PushGoFunction(channel_send)
L.SetField(-2, "Send")
L.PushGoFunction(channel_recv)
L.SetField(-2, "Recv")
L.SetField(-2, "__index")
flagValue()
}
// Push a Go value 'val' of type 't' on the Lua stack.
// If we haven't been given a concrete type, use the type of the value
// and unbox any interfaces. You can force slices and maps to be copied
// over as tables by setting 'dontproxify' to true.
func GoToLua(L *lua.State, t reflect.Type, val reflect.Value, dontproxify bool) {
if !val.IsValid() {
L.PushNil()
return
}
if t == nil {
t = val.Type()
}
if t.Kind() == reflect.Interface && !val.IsNil() { // unbox interfaces!
val = valueOf(val.Interface())
t = val.Type()
}
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
kind := t.Kind()
// underlying type is 'primitive' ? wrap it as a proxy!
if isPrimitiveDerived(t, kind) != nil {
makeValueProxy(L, val, cINTERFACE_META)
return
}
switch kind {
case reflect.Float64, reflect.Float32:
{
L.PushNumber(val.Float())
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
{
L.PushNumber(float64(val.Int()))
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
{
L.PushNumber(float64(val.Uint()))
}
case reflect.String:
{
L.PushString(val.String())
}
case reflect.Bool:
{
L.PushBoolean(val.Bool())
}
case reflect.Slice:
{
if !dontproxify {
makeValueProxy(L, val, cSLICE_META)
} else {
CopySliceToTable(L, val)
}
}
case reflect.Map:
{
if !dontproxify {
makeValueProxy(L, val, cMAP_META)
} else {
CopyMapToTable(L, val)
}
}
case reflect.Struct:
{
if v, ok := val.Interface().(error); ok {
L.PushString(v.Error())
} else if v, ok := val.Interface().(*LuaObject); ok {
v.Push()
} else {
if (val.Kind() == reflect.Ptr || val.Kind() == reflect.Interface) && !val.Elem().IsValid() {
L.PushNil()
return
}
makeValueProxy(L, val, cSTRUCT_META)
}
}
default:
{
if v, ok := val.Interface().(error); ok {
L.PushString(v.Error())
} else if val.IsNil() {
L.PushNil()
} else {
makeValueProxy(L, val, cINTERFACE_META)
}
}
}
}
// TODO: Check if we really need multiple pointer levels since pointer methods
// can be called on non-pointers.
func goToLua(L *lua.State, t reflect.Type, val reflect.Value, dontproxify bool, visited visitor) {
if !val.IsValid() {
L.PushNil()
return
}
// Unbox interface.
if val.Kind() == reflect.Interface && !val.IsNil() {
val = reflect.ValueOf(val.Interface())
}
// Follow pointers if not proxifying. We save the original pointer Value in case we proxify.
ptrVal := val
for val.Kind() == reflect.Ptr {
val = val.Elem()
}
if !val.IsValid() {
L.PushNil()
return
}
// As a special case, we always proxify nullv, the empty element for slices and maps.
if val.CanInterface() && val.Interface() == nullv.Interface() {
makeValueProxy(L, val, cInterfaceMeta)
return
}
switch val.Kind() {
case reflect.Float64, reflect.Float32:
if !dontproxify && predeclaredScalarType(val.Type()) != nil {
makeValueProxy(L, ptrVal, cNumberMeta)
} else {
L.PushNumber(val.Float())
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
if !dontproxify && predeclaredScalarType(val.Type()) != nil {
makeValueProxy(L, ptrVal, cNumberMeta)
} else {
L.PushNumber(float64(val.Int()))
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
if !dontproxify && predeclaredScalarType(val.Type()) != nil {
makeValueProxy(L, ptrVal, cNumberMeta)
} else {
L.PushNumber(float64(val.Uint()))
}
case reflect.String:
if !dontproxify && predeclaredScalarType(val.Type()) != nil {
makeValueProxy(L, ptrVal, cStringMeta)
} else {
L.PushString(val.String())
}
case reflect.Bool:
if !dontproxify && predeclaredScalarType(val.Type()) != nil {
makeValueProxy(L, ptrVal, cInterfaceMeta)
} else {
L.PushBoolean(val.Bool())
}
case reflect.Complex128, reflect.Complex64:
makeValueProxy(L, ptrVal, cComplexMeta)
case reflect.Array:
// It needs be a pointer to be a proxy, otherwise values won't be settable.
if !dontproxify && ptrVal.Kind() == reflect.Ptr {
makeValueProxy(L, ptrVal, cSliceMeta)
} else {
// See the case of struct.
if ptrVal.Kind() == reflect.Ptr && visited.push(ptrVal) {
return
}
copySliceToTable(L, ptrVal, visited)
}
case reflect.Slice:
if !dontproxify {
makeValueProxy(L, ptrVal, cSliceMeta)
} else {
if visited.push(val) {
return
}
copySliceToTable(L, val, visited)
}
case reflect.Map:
if !dontproxify {
makeValueProxy(L, ptrVal, cMapMeta)
} else {
if visited.push(val) {
return
}
copyMapToTable(L, val, visited)
}
case reflect.Struct:
if !dontproxify && ptrVal.Kind() == reflect.Ptr {
if ptrVal.CanInterface() {
switch v := ptrVal.Interface().(type) {
case error:
L.PushString(v.Error())
case *LuaObject:
v.Push()
default:
makeValueProxy(L, ptrVal, cStructMeta)
}
} else {
makeValueProxy(L, ptrVal, cStructMeta)
}
} else {
// Use ptrVal instead of val to detect cycles from the very first element, if a pointer.
if ptrVal.Kind() == reflect.Ptr && visited.push(ptrVal) {
return
}
copyStructToTable(L, ptrVal, visited)
}
case reflect.Chan:
makeValueProxy(L, ptrVal, cChannelMeta)
case reflect.Func:
L.PushGoFunction(goLuaFunc(L, val))
default:
if v, ok := val.Interface().(error); ok {
L.PushString(v.Error())
} else if val.IsNil() {
L.PushNil()
} else {
makeValueProxy(L, ptrVal, cInterfaceMeta)
}
}
}
func pushValue(state *lua.State, value interface{}) error {
switch v := value.(type) {
default:
return fmt.Errorf("An item of unknown type was included in the environment or arguments of a Lua call (skipping it): %v",
value)
case nil:
log.Println("Pushing nil onto lua stack")
state.PushNil()
case string:
log.Println("Pushing string onto lua stack")
state.PushString(v)
case int:
log.Println("Pushing int onto lua stack")
state.PushInteger(int64(v))
case int64:
log.Println("Pushing int64 onto lua stack")
state.PushInteger(v)
case float64:
log.Println("Pushing float64 onto lua stack")
state.PushNumber(v)
case bool:
log.Println("Pushing bool onto lua stack")
state.PushBoolean(v)
case map[string]interface{}:
log.Println("Pushing map[string]interface{} onto lua stack")
state.CreateTable(0, len(v))
for name, value := range v {
err := pushValue(state, value)
if err != nil {
// error means nothing was added to stack. So pop our new table so *we* leave nothing added to the stack.
state.Pop(1)
return err
}
state.SetField(-2, name)
}
// then leave the table on the stack
case ThingType:
// These are singleton sentinel values, so load them from Lua-land.
state.GetGlobal("world")
state.GetField(-1, strings.Title(v.String()))
state.Remove(-2)
case *Thing:
log.Println("Pushing *Thing onto lua stack")
return pushValue(state, v.Id)
case ThingId:
log.Println("Pushing ThingId onto lua stack")
// We're pushing a ThingId, so make a new userdata for it, with the Thing metatable.
userdata := state.NewUserdata(uintptr(unsafe.Sizeof(int64(0))))
thingPtr := (*int64)(userdata)
*thingPtr = int64(v)
if !state.IsUserdata(-1) {
log.Println("!!! HOGAD JUST PUSHED NEW USERDATA BUT IT ISN'T OMG !!!")
}
log.Println("Pushed ThingId", *thingPtr, "onto lua stack")
// Now make it act like a Thing.
state.LGetMetaTable(ThingMetaTableName) // ( udata -- udata mtbl )
state.SetMetaTable(-2) // ( udata mtbl -- udata )
// Let's just check that it's that, for sures.
if !state.IsUserdata(-1) {
log.Println("!!! WOOP WOOP DID NOT SET METATABLE RIGHT :( !!!")
}
}
return nil
}
func (p *Plugin) apiAudioIsPlaying(l *lua.State) int {
l.PushBoolean(p.instance.Audio.IsPlaying())
return 1
}
// Push a Go value 'val' of type 't' on the Lua stack.
// If we haven't been given a concrete type, use the type of the value
// and unbox any interfaces.
func GoToLua(L *lua.State, t reflect.Type, val reflect.Value) {
proxify := true
if t == nil {
t = val.Type()
if t.Kind() == reflect.Interface { // unbox interfaces!
val = valueOf(val.Interface())
t = val.Type()
}
proxify = false
}
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
switch t.Kind() {
case reflect.Float64:
case reflect.Float32:
{
L.PushNumber(val.Float())
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32:
{
L.PushNumber(float64(val.Int()))
}
case reflect.Uint, reflect.Uint8:
{
L.PushNumber(float64(val.Uint()))
}
case reflect.String:
{
L.PushString(val.String())
}
case reflect.Bool:
{
L.PushBoolean(val.Bool())
}
case reflect.Slice:
{
if proxify {
makeValueProxy(L, val, SLICE_META)
} else {
CopySliceToTable(L, val)
}
}
case reflect.Map:
{
if proxify {
makeValueProxy(L, val, MAP_META)
} else {
CopyMapToTable(L, val)
}
}
case reflect.Struct:
{
makeValueProxy(L, val, STRUCT_META)
}
default:
{
if val.IsNil() {
L.PushNil()
} else {
makeValueProxy(L, val, INTERFACE_META)
}
}
}
}
