mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2024-05-20 13:48:02 -04:00
3aa5885ebe
curated package predated the standard errors package introduced in go1.13 the standard package does a better job of what curated attempted to do the change of package also gave me a opportunity to clean up the error messages a little bit
41 lines
1.2 KiB
Go
41 lines
1.2 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 rewind
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import "fmt"
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type PokeHook func(res *State) error
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// RunPoke will the run the VCS from one state to another state applying
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// the supplied PokeHook to the from State
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func (r *Rewind) RunPoke(from *State, to *State, poke PokeHook) error {
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fromIdx := r.findFrameIndex(from.TV.GetCoords().Frame).nearestIdx
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if poke != nil {
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err := poke(r.entries[fromIdx])
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if err != nil {
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return err
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}
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}
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err := r.setSplicePoint(fromIdx, to.TV.GetCoords())
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if err != nil {
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return fmt.Errorf("rewind: %w", err)
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}
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return nil
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}
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