mirror of
https://github.com/OpenEmu/OpenEmuKit.git
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92 lines
3.7 KiB
Swift
92 lines
3.7 KiB
Swift
// Copyright (c) 2021, OpenEmu Team
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the OpenEmu Team nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY OpenEmu Team ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL OpenEmu Team BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import Foundation
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/// An object that manages the association of shader presets
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/// to system cores.
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public class SystemShaderPresetStore {
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let store: UserDefaults
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let presets: ShaderPresetStore
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let shaders: OEShaderStore
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public init(store: UserDefaults, presets: ShaderPresetStore, shaders: OEShaderStore) {
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self.store = store
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self.presets = presets
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self.shaders = shaders
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}
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// MARK: - Public API
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/// Gets or sets the name for the default preset.
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public var defaultPresetByID: String {
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get {
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if let id = store.string(forKey: makeGlobalKey()), presets.exists(byID: id) {
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return id
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}
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return "Pixellate"
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}
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set {
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store.set(newValue, forKey: makeGlobalKey())
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}
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}
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/// Returns the default shader preset.
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public var defaultPreset: ShaderPreset {
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presets.defaultPresetForShader(shaders.defaultShader)
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}
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/// Set the shader preset for the specified system.
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/// - Parameters:
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/// - preset: The preset to assign to the system.
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/// - identifier: The identifier of the system.
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public func setPreset(_ preset: ShaderPreset, forSystem identifier: String) {
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store.set(preset.id, forKey: makeSystemKey(identifier))
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}
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/// Removes the preset assigned to the specified system.
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/// - Parameter identifier: The system identifier to clear the preset.
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public func resetPresetForSystem(_ identifier: String) {
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store.removeObject(forKey: makeSystemKey(identifier))
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}
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/// Finds the shader preset assigned to the specified system.
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/// - Parameter identifier: The identifier for the system.
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/// - Returns: The shader preset assigned to the system.
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public func findPresetForSystem(_ identifier: String) -> ShaderPreset? {
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guard
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let id = store.string(forKey: makeSystemKey(identifier)),
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let preset = presets.findPreset(byID: id)
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else { return nil }
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return preset
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}
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// MARK: - Helpers
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func makeGlobalKey() -> String { "videoShader.preset" }
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func makeSystemKey(_ identifier: String) -> String { "videoShader.\(identifier).preset" }
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}
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