refactor main loop
This commit is contained in:
parent
1d81506ef6
commit
85c55e5a21
66
main.go
66
main.go
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@ -17,6 +17,42 @@ import (
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"unsafe"
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"unsafe"
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)
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)
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const bufSize uint = 2048
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func render(window *sdl.Window, handle C.projectm_handle) (bool, error) {
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var audioData [bufSize]int16
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err := binary.Read(os.Stdin, binary.LittleEndian, &audioData)
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if err == io.ErrUnexpectedEOF {
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return false, nil
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} else if err != nil {
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return true, err
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}
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C.projectm_pcm_add_int16(handle, (*C.int16_t)(&audioData[0]), C.uint(bufSize), C.PROJECTM_STEREO)
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C.projectm_opengl_render_frame(handle)
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window.GLSwap()
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return true, nil
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}
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func handleEvent(event sdl.Event, handle C.projectm_handle) bool {
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switch event.(type) {
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case *sdl.QuitEvent:
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return false
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case *sdl.WindowEvent:
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event := event.(*sdl.WindowEvent)
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switch event.Event {
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case sdl.WINDOWEVENT_RESIZED:
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w, h := event.Data1, event.Data2
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C.projectm_set_window_size(handle, C.ulong(w), C.ulong(h))
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}
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}
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return true
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}
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func main() {
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func main() {
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windowWidth := 800
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windowWidth := 800
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windowHeight := 600
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windowHeight := 600
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@ -51,38 +87,22 @@ func main() {
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defer C.free(unsafe.Pointer(preset))
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defer C.free(unsafe.Pointer(preset))
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C.projectm_load_preset_file(handle, preset, false)
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C.projectm_load_preset_file(handle, preset, false)
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const bufSize uint = 2048
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running := true
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running := true
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for running {
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for running {
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for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
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for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
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switch event.(type) {
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running = handleEvent(event, handle)
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case *sdl.QuitEvent:
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if !running {
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running = false
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break
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break
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case *sdl.WindowEvent:
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event := event.(*sdl.WindowEvent)
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switch event.Event {
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case sdl.WINDOWEVENT_RESIZED:
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w, h := event.Data1, event.Data2
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C.projectm_set_window_size(handle, C.ulong(w), C.ulong(h))
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}
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}
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}
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}
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}
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var audioData [bufSize]int16
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if !running {
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err = binary.Read(os.Stdin, binary.LittleEndian, &audioData)
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if err == io.ErrUnexpectedEOF {
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running = false
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break
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break
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} else if err != nil {
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}
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running, err = render(window, handle)
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if err != nil {
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panic(err)
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panic(err)
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}
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}
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C.projectm_pcm_add_int16(handle, (*C.int16_t)(&audioData[0]), C.uint(bufSize), C.PROJECTM_STEREO)
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C.projectm_opengl_render_frame(handle)
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window.GLSwap()
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}
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}
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}
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}
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