67 lines
1.6 KiB
Swift
67 lines
1.6 KiB
Swift
//
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// EmulatorCore+Cheats.swift
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// Delta
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//
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// Created by Riley Testut on 8/11/16.
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// Copyright © 2016 Riley Testut. All rights reserved.
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//
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import DeltaCore
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extension EmulatorCore
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{
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func activateCheatWithErrorLogging(_ cheat: Cheat)
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{
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do
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{
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try self.activate(cheat)
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}
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catch EmulatorCore.CheatError.invalid
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{
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print("Invalid cheat:", cheat.name, cheat.code)
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}
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catch
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{
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print("Unknown Cheat Error:", error, cheat.name, cheat.code)
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}
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}
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func updateCheats()
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{
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guard let game = self.game as? Game else { return }
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let running = (self.state == .running)
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if running
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{
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// Core MUST be paused when activating cheats, or else race conditions could crash the core
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self.pause()
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}
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let backgroundContext = DatabaseManager.shared.newBackgroundContext()
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backgroundContext.performAndWait {
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let predicate = NSPredicate(format: "%K == %@", #keyPath(Cheat.game), game)
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let cheats = Cheat.instancesWithPredicate(predicate, inManagedObjectContext: backgroundContext, type: Cheat.self)
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for cheat in cheats
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{
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if cheat.isEnabled
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{
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self.activateCheatWithErrorLogging(cheat)
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}
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else
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{
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self.deactivate(cheat)
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}
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}
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}
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if running
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{
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self.resume()
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}
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}
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}
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