mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2024-05-20 05:40:49 -04:00
24f3f32342
notifications interface instance moved to environment from cartridgeloader. the cartridgeloader package predates the environment package and had started to be used inappropriately simplified how notifications.Notify() is called. in particular the supercharger fastload starter no longer bundles a function hook. nor is the cartridge instance sent with the notification
91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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package tracker
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import (
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"fmt"
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"github.com/jetsetilly/gopher2600/debugger/govern"
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"github.com/jetsetilly/gopher2600/environment"
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"github.com/jetsetilly/gopher2600/hardware"
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"github.com/jetsetilly/gopher2600/hardware/television"
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"github.com/jetsetilly/gopher2600/logger"
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"github.com/jetsetilly/gopher2600/rewind"
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)
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// create replay emulation if it has not been created already
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func (tr *Tracker) createReplayEmulation(mixer television.AudioMixer) error {
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if tr.replayEmulation != nil {
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return nil
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}
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tv, err := television.NewTelevision("AUTO")
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if err != nil {
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return fmt.Errorf("tracker: create replay emulation: %w", err)
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}
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tv.AddAudioMixer(mixer)
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tr.replayEmulation, err = hardware.NewVCS(tv, nil, nil)
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if err != nil {
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return fmt.Errorf("tracker: create replay emulation: %w", err)
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}
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tr.replayEmulation.Env.Label = replayEnv
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tr.replayEmulation.TIA.Audio.SetTracker(tr)
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return nil
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}
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const replayEnv = environment.Label("tracker_replay")
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// Replay audio from start to end indexes
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//
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// The onEnd argument is a function to run when the replay has concluded
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func (tr *Tracker) Replay(start int, end int, mixer television.AudioMixer, onEnd func()) {
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// the replay will run even if the master emulation is running. this may
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// cause audible issues with the hardware audio mixing
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tr.createReplayEmulation(mixer)
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tr.crit.section.Lock()
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defer tr.crit.section.Unlock()
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startState := tr.rewind.GetState(tr.crit.Entries[start].Coords.Frame)
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if startState == nil {
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logger.Logf("tracker", "replay: can't find rewind state for frame %d", tr.crit.Entries[start].Coords.Frame)
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return
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}
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rewind.Plumb(tr.replayEmulation, startState, true)
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// get copy of end frame number so that we don't have to acquire the
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// criticial section in the replay emulation
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endFrame := tr.crit.Entries[end].Coords.Frame
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go func() {
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defer onEnd()
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err := tr.replayEmulation.Run(func() (govern.State, error) {
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if tr.replayEmulation.TV.GetCoords().Frame > endFrame {
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return govern.Ending, nil
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}
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return govern.Running, nil
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})
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if err != nil {
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logger.Logf("tracker", "replay: %s", err.Error())
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}
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}()
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}
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