duckstation

duckstation, but archived from the revision just before upstream changed it to a proprietary software project, this version is the libre one
git clone https://git.neptards.moe/u3shit/duckstation.git
Log | Files | Refs | README | LICENSE

justifier.h (2582B)

      1 // SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
      2 // SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
      3 
      4 #pragma once
      5 
      6 #include "controller.h"
      7 #include "timing_event.h"
      8 
      9 #include <memory>
     10 
     11 class TimingEvent;
     12 
     13 class Justifier final : public Controller
     14 {
     15 public:
     16   enum class Binding : u8
     17   {
     18     Trigger = 0,
     19     Start = 1,
     20     Back = 2,
     21     ShootOffscreen = 3,
     22     ButtonCount = 4,
     23 
     24     RelativeLeft = 4,
     25     RelativeRight = 5,
     26     RelativeUp = 6,
     27     RelativeDown = 7,
     28     BindingCount = 8,
     29   };
     30 
     31   static const Controller::ControllerInfo INFO;
     32 
     33   Justifier(u32 index);
     34   ~Justifier() override;
     35 
     36   static std::unique_ptr<Justifier> Create(u32 index);
     37 
     38   ControllerType GetType() const override;
     39 
     40   void Reset() override;
     41   bool DoState(StateWrapper& sw, bool apply_input_state) override;
     42 
     43   void LoadSettings(SettingsInterface& si, const char* section, bool initial) override;
     44 
     45   float GetBindState(u32 index) const override;
     46   void SetBindState(u32 index, float value) override;
     47 
     48   void ResetTransferState() override;
     49   bool Transfer(const u8 data_in, u8* data_out) override;
     50 
     51 private:
     52   bool IsTriggerPressed() const;
     53   void UpdatePosition();
     54   void UpdateIRQEvent();
     55   void IRQEvent();
     56 
     57   std::pair<float, float> GetAbsolutePositionFromRelativeAxes() const;
     58   bool CanUseSoftwareCursor() const;
     59   u32 GetSoftwarePointerIndex() const;
     60   void UpdateSoftwarePointerPosition();
     61 
     62   enum class TransferState : u8
     63   {
     64     Idle,
     65     IDMSB,
     66     ButtonsLSB,
     67     ButtonsMSB,
     68     XLSB,
     69     XMSB,
     70     YLSB,
     71     YMSB
     72   };
     73 
     74   static constexpr s8 DEFAULT_FIRST_LINE_OFFSET = -12;
     75   static constexpr s8 DEFAULT_LAST_LINE_OFFSET = -6;
     76   static constexpr s16 DEFAULT_TICK_OFFSET = 50;
     77   static constexpr u8 DEFAULT_OFFSCREEN_OOB_FRAMES = 5;
     78   static constexpr u8 DEFAULT_OFFSCREEN_TRIGGER_FRAMES = 5;
     79   static constexpr u8 DEFAULT_OFFSCREEN_RELEASE_FRAMES = 5;
     80 
     81   s8 m_first_line_offset = 0;
     82   s8 m_last_line_offset = 0;
     83   s16 m_tick_offset = 0;
     84 
     85   u8 m_offscreen_oob_frames = 0;
     86   u8 m_offscreen_trigger_frames = 0;
     87   u8 m_offscreen_release_frames = 0;
     88 
     89   u16 m_irq_first_line = 0;
     90   u16 m_irq_last_line = 0;
     91   u16 m_irq_tick = 0;
     92 
     93   // buttons are active low
     94   u16 m_button_state = UINT16_C(0xFFFF);
     95   u8 m_shoot_offscreen = 0;
     96   bool m_position_valid = false;
     97 
     98   TransferState m_transfer_state = TransferState::Idle;
     99 
    100   TimingEvent m_irq_event;
    101 
    102   bool m_has_relative_binds = false;
    103   u8 m_cursor_index = 0;
    104   float m_relative_pos[4] = {};
    105 
    106   std::string m_cursor_path;
    107   float m_cursor_scale = 1.0f;
    108   u32 m_cursor_color = 0xFFFFFFFFu;
    109   float m_x_scale = 1.0f;
    110 };