73 lines
1.0 KiB
Go
73 lines
1.0 KiB
Go
package platform
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import (
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"errors"
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"log"
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"runtime"
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"github.com/veandco/go-sdl2/sdl"
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)
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var (
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ErrPlatformNotInit = errors.New("platform is not initialized")
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)
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var platformState struct {
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isInit bool
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}
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func Initialize() error {
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log.Println("platform init")
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if platformState.isInit {
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return nil
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}
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runtime.LockOSThread()
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if err := sdl.Init(sdl.INIT_VIDEO); err != nil {
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return err
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}
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platformState.isInit = true
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return nil
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}
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func Shutdown() error {
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log.Println("platform shutdown")
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if !platformState.isInit {
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return nil
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}
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if err := FileUnmountAll(); err != nil {
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return err
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}
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return nil
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}
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func Advance() (bool, error) {
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if !platformState.isInit {
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return false, ErrPlatformNotInit
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}
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for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
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switch event.(type) {
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case *sdl.QuitEvent:
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return false, nil
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default:
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if _, err := windowProcessEvent(event); err != nil {
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return false, err
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}
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}
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}
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run, err := windowAdvance()
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if !run {
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WindowDestroy()
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}
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return run, err
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}
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