96 lines
2.1 KiB
C++
96 lines
2.1 KiB
C++
// Copyright 2016 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <cmath>
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#include <memory>
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#include "InputCommon/ControlReference/ExpressionParser.h"
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#include "InputCommon/ControllerInterface/Device.h"
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// ControlReference
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//
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// These are what you create to actually use the inputs, InputReference or OutputReference.
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//
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// After being bound to devices and controls with UpdateReference,
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// each one can link to multiple devices and controls
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// when you change a ControlReference's expression,
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// you must use UpdateReference on it to rebind controls
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//
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class ControlReference
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{
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public:
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// Note: this is per thread.
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static void SetInputGate(bool enable);
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static bool GetInputGate();
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virtual ~ControlReference();
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virtual ControlState State(const ControlState state = 0) = 0;
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virtual bool IsInput() const = 0;
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template <typename T>
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T GetState();
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int BoundCount() const;
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ciface::ExpressionParser::ParseStatus GetParseStatus() const;
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void UpdateReference(ciface::ExpressionParser::ControlEnvironment& env);
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std::string GetExpression() const;
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void SetExpression(std::string expr);
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ControlState range;
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protected:
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ControlReference();
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std::string m_expression;
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std::unique_ptr<ciface::ExpressionParser::Expression> m_parsed_expression;
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ciface::ExpressionParser::ParseStatus m_parse_status;
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};
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template <>
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inline bool ControlReference::GetState<bool>()
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{
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// Round to nearest of 0 or 1.
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return std::lround(State()) > 0;
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}
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template <>
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inline int ControlReference::GetState<int>()
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{
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return std::lround(State());
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}
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template <>
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inline ControlState ControlReference::GetState<ControlState>()
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{
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return State();
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}
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//
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// InputReference
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//
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// Control reference for inputs
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//
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class InputReference : public ControlReference
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{
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public:
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InputReference();
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bool IsInput() const override;
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ControlState State(const ControlState state) override;
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};
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//
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// OutputReference
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//
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// Control reference for outputs
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//
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class OutputReference : public ControlReference
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{
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public:
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OutputReference();
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bool IsInput() const override;
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ControlState State(const ControlState state) override;
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};
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