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294e09f275
At least for the purpose of being communicative. I doubt there's much to gain in terms of compiler output — the DiskImageHolder can avoid some virtual lookups but nothing else leaps out.
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
//
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// MultiMachine.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 28/01/2018.
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// Copyright 2018 Thomas Harte. All rights reserved.
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//
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#ifndef MultiMachine_hpp
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#define MultiMachine_hpp
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#include "../../../Machines/DynamicMachine.hpp"
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#include "Implementation/MultiConfigurable.hpp"
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#include "Implementation/MultiCRTMachine.hpp"
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#include "Implementation/MultiJoystickMachine.hpp"
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#include "Implementation/MultiKeyboardMachine.hpp"
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#include "Implementation/MultiMediaTarget.hpp"
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#include <memory>
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#include <mutex>
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#include <vector>
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namespace Analyser {
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namespace Dynamic {
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/*!
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Provides the same interface as to a single machine, while multiplexing all
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underlying calls to an array of real dynamic machines.
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Calls to crt_machine->get_crt will return that for the frontmost machine;
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anything installed as the speaker's delegate will similarly receive
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feedback only from that machine.
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Following each crt_machine->run_for, reorders the supplied machines by
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confidence.
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If confidence for any machine becomes disproportionately low compared to
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the others in the set, that machine stops running.
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*/
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class MultiMachine: public ::Machine::DynamicMachine, public MultiCRTMachine::Delegate {
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public:
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/*!
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Allows a potential MultiMachine creator to enquire as to whether there's any benefit in
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requesting this class as a proxy.
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@returns @c true if the multimachine would discard all but the first machine in this list;
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@c false otherwise.
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*/
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static bool would_collapse(const std::vector<std::unique_ptr<DynamicMachine>> &machines);
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MultiMachine(std::vector<std::unique_ptr<DynamicMachine>> &&machines);
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Activity::Source *activity_source() final;
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Configurable::Device *configurable_device() final;
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CRTMachine::Machine *crt_machine() final;
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JoystickMachine::Machine *joystick_machine() final;
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MouseMachine::Machine *mouse_machine() final;
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KeyboardMachine::Machine *keyboard_machine() final;
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MediaTarget::Machine *media_target() final;
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void *raw_pointer() final;
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private:
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void multi_crt_did_run_machines() final;
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std::vector<std::unique_ptr<DynamicMachine>> machines_;
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std::recursive_mutex machines_mutex_;
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MultiConfigurable configurable_;
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MultiCRTMachine crt_machine_;
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MultiJoystickMachine joystick_machine_;
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MultiKeyboardMachine keyboard_machine_;
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MultiMediaTarget media_target_;
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void pick_first();
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bool has_picked_ = false;
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};
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}
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}
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#endif /* MultiMachine_hpp */
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