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Supermodel/Src/Inputs/InputSystem.h
Nik Henson dfa77e9207 Added support for joystick sliders to input system. 
Added extra debugging output to calibration input detection routine (activated by pressing Shift).
2011-11-01 23:24:37 +00:00

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/**
** Supermodel
** A Sega Model 3 Arcade Emulator.
** Copyright 2011 Bart Trzynadlowski, Nik Henson
**
** This file is part of Supermodel.
**
** Supermodel is free software: you can redistribute it and/or modify it under
** the terms of the GNU General Public License as published by the Free
** Software Foundation, either version 3 of the License, or (at your option)
** any later version.
**
** Supermodel is distributed in the hope that it will be useful, but WITHOUT
** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
** more details.
**
** You should have received a copy of the GNU General Public License along
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
**/
/*
* InputSystem.h
*
* Header file for CInputSystem. Defines the base class for an input system,
* the interface between the OS-independent and OS-dependent code.
*/
#ifndef INCLUDED_INPUTSYSTEM_H
#define INCLUDED_INPUTSYSTEM_H
#include <cstdio>
#include <string>
#include <vector>
using namespace std;
#include "MultiInputSource.h"
class CInput;
class CInputSource;
class CINIFile;
#define MAX_NAME_LENGTH 255
// Read flags for ReadMapping
#define READ_KEYBOARD 1
#define READ_MOUSE 2
#define READ_JOYSTICK 4
#define READ_MERGE_KEYBOARD 8
#define READ_MERGE_MOUSE 16
#define READ_MERGE_JOYSTICK 32
#define READ_ALL (READ_KEYBOARD|READ_MOUSE|READ_JOYSTICK)
#define READ_MERGE (READ_MERGE_KEYBOARD|READ_MERGE_MOUSE|READ_MERGE_JOYSTICK)
// Used to specify any keyboard, mouse or joystick when a number is required
#define ANY_KEYBOARD -1
#define ANY_MOUSE -1
#define ANY_JOYSTICK -1
// Default keyboard, mouse and joystick settings
#define DEFAULT_KEY_SENSITIVITY 25
#define DEFAULT_KEY_DECAYSPEED 50
#define DEFAULT_MSE_DEADZONE 0
#define DEFAULT_JOY_AXISMINVAL -32768
#define DEFAULT_JOY_AXISOFFVAL 0
#define DEFAULT_JOY_AXISMAXVAL 32767
#define DEFAULT_JOY_DEADZONE 3
#define DEFAULT_JOY_SATURATION 100
// Number of valid keys and mouse and joystick parts
#define NUM_VALID_KEYS (sizeof(s_validKeyNames) / sizeof(const char*))
#define NUM_MOUSE_PARTS ((int)MouseButtonX2 + 1)
#define NUM_MOUSE_AXES 3
#define NUM_MOUSE_BUTTONS 5
#define NUM_JOY_PARTS ((int)JoyButton31 + 1)
#define NUM_JOY_AXES 8
#define NUM_JOY_POVS 4
#define NUM_JOY_BUTTONS 32
// Axis numbers
#define AXIS_X 0
#define AXIS_Y 1
#define AXIS_Z 2
#define AXIS_RX 3
#define AXIS_RY 4
#define AXIS_RZ 5
#define AXIS_S1 6
#define AXIS_S2 7
// Axis directions
#define AXIS_FULL 0
#define AXIS_INVERTED 1
#define AXIS_POS 2
#define AXIS_NEG 3
// POV directions
#define POV_UP 0
#define POV_DOWN 1
#define POV_LEFT 2
#define POV_RIGHT 3
/*
* Enumeration of all recognised mouse parts
*/
enum EMousePart
{
MouseUnknown = -1,
MouseXAxis = 0,
MouseXAxisInv,
MouseXAxisPos,
MouseXAxisNeg,
MouseYAxis,
MouseYAxisInv,
MouseYAxisPos,
MouseYAxisNeg,
MouseZAxis,
MouseZAxisInv,
MouseZAxisPos,
MouseZAxisNeg,
MouseButtonLeft,
MouseButtonMiddle,
MouseButtonRight,
MouseButtonX1,
MouseButtonX2,
};
/*
* Enumeration of all supported joystick parts
*/
enum EJoyPart
{
JoyUnknown = -1,
JoyXAxis = 0,
JoyXAxisInv,
JoyXAxisPos,
JoyXAxisNeg,
JoyYAxis,
JoyYAxisInv,
JoyYAxisPos,
JoyYAxisNeg,
JoyZAxis,
JoyZAxisInv,
JoyZAxisPos,
JoyZAxisNeg,
JoyRXAxis,
JoyRXAxisInv,
JoyRXAxisPos,
JoyRXAxisNeg,
JoyRYAxis,
JoyRYAxisInv,
JoyRYAxisPos,
JoyRYAxisNeg,
JoyRZAxis,
JoyRZAxisInv,
JoyRZAxisPos,
JoyRZAxisNeg,
JoyS1Axis,
JoyS1AxisInv,
JoyS1AxisPos,
JoyS1AxisNeg,
JoyS2Axis,
JoyS2AxisInv,
JoyS2AxisPos,
JoyS2AxisNeg,
JoyPOV0Up,
JoyPOV0Down,
JoyPOV0Left,
JoyPOV0Right,
JoyPOV1Up,
JoyPOV1Down,
JoyPOV1Left,
JoyPOV1Right,
JoyPOV2Up,
JoyPOV2Down,
JoyPOV2Left,
JoyPOV2Right,
JoyPOV3Up,
JoyPOV3Down,
JoyPOV3Left,
JoyPOV3Right,
JoyButton0,
JoyButton1,
JoyButton2,
JoyButton3,
JoyButton4,
JoyButton5,
JoyButton6,
JoyButton7,
JoyButton8,
JoyButton9,
JoyButton10,
JoyButton11,
JoyButton12,
JoyButton13,
JoyButton14,
JoyButton15,
JoyButton16,
JoyButton17,
JoyButton18,
JoyButton19,
JoyButton20,
JoyButton21,
JoyButton22,
JoyButton23,
JoyButton24,
JoyButton25,
JoyButton26,
JoyButton27,
JoyButton28,
JoyButton29,
JoyButton30,
JoyButton31
};
struct MousePartsStruct
{
const char* id;
EMousePart msePart;
};
struct JoyPartsStruct
{
const char* id;
EJoyPart joyPart;
};
/*
* Struct that holds settings for a keyboard
*/
struct KeySettings
{
int kbdNum; // Keyboard number (or ANY_KEYBOARD for settings that apply to all keyboards)
unsigned sensitivity; // Key sensitivity for analog controls as percentage 1-100, where 100 is extremely responsive
unsigned decaySpeed; // Decay speed as percentage 1-200 of on speed
/*
* Creates a KeySettings with default settings
*/
KeySettings()
{
kbdNum = ANY_KEYBOARD;
sensitivity = DEFAULT_KEY_SENSITIVITY;
decaySpeed = DEFAULT_KEY_DECAYSPEED;
}
};
/*
* Struct that holds settings for a mouse
*/
struct MouseSettings
{
int mseNum; // Mouse number (or ANY_MOUSE for settings that apply to all mice)
unsigned deadZones[NUM_MOUSE_AXES]; // Axis dead zone as a percentage 0-99 of display width (X)/height (Y) or axis range (Z)
/*
* Creates a MouseSettings with default settings
*/
MouseSettings()
{
mseNum = ANY_MOUSE;
deadZones[AXIS_X] = DEFAULT_MSE_DEADZONE;
deadZones[AXIS_Y] = DEFAULT_MSE_DEADZONE;
deadZones[AXIS_Z] = 0;
}
};
/*
* Struct that holds settings for a joystick
*/
struct JoySettings
{
int joyNum; // Joystick number (or ANY_JOYSTICK for settings that apply to all joysticks)
int axisMinVals[NUM_JOY_AXES]; // Axis min raw value (default -32768)
int axisOffVals[NUM_JOY_AXES]; // Axis center/off value (default 0)
int axisMaxVals[NUM_JOY_AXES]; // Axis max raw value (default 32767)
unsigned deadZones[NUM_JOY_AXES]; // Axis dead zone as a percentage 0-99 of axis positive/negative ranges
unsigned saturations[NUM_JOY_AXES]; // Axis saturation as a percentage 1-200 of axis positive/negative ranges
/*
* Creates a JoySettings with default settings
*/
JoySettings()
{
joyNum = ANY_JOYSTICK;
for (int axisNum = 0; axisNum < NUM_JOY_AXES; axisNum++)
{
axisMinVals[axisNum] = DEFAULT_JOY_AXISMINVAL;
axisOffVals[axisNum] = DEFAULT_JOY_AXISOFFVAL;
axisMaxVals[axisNum] = DEFAULT_JOY_AXISMAXVAL;
deadZones[axisNum] = DEFAULT_JOY_DEADZONE;
saturations[axisNum] = DEFAULT_JOY_SATURATION;
}
}
};
struct KeyDetails
{
char name[MAX_NAME_LENGTH + 1]; // Keyboard name (if available)
};
struct MouseDetails
{
char name[MAX_NAME_LENGTH + 1]; // Mouse name (if available)
bool isAbsolute; // True if uses absolute positions (ie lightgun)
};
struct JoyDetails
{
char name[MAX_NAME_LENGTH + 1]; // Joystick name (if available)
int numAxes; // Total number of axes on joystick
int numPOVs; // Total number of POV hat controllers on joystick
int numButtons; // Total number of buttons on joystick
bool hasFFeedback; // True if joystick supports force feedback
bool hasAxis[NUM_JOY_AXES]; // Flags to indicate which axes available on joystick
char axisName[NUM_JOY_AXES][MAX_NAME_LENGTH + 1]; // Axis names (if available)
bool axisHasFF[NUM_JOY_AXES]; // Flags to indicate which axes are force feedback enabled
};
/*
* Abstract base class that represents an input system. An input system encapsulates all the O/S dependent code to read keyboards,
* mice and joysticks.
*/
class CInputSystem
{
private:
// Array of valid key names
static const char *s_validKeyNames[];
// Lookup table for translating mouse mapping strings to their respective mouse parts
static MousePartsStruct s_mseParts[];
// Lookup table for translating joystick mapping strings to their respective joystick parts
static JoyPartsStruct s_joyParts[];
// Ids and names of axes
static const char *s_axisIds[];
static const char *s_axisNames[];
// Number of keyboards, mice and joysticks
int m_numKbds;
int m_numMice;
int m_numJoys;
// Cached input sources
CInputSource **m_anyKeySources;
CInputSource **m_anyMseSources;
CInputSource **m_anyJoySources;
CInputSource ***m_keySources;
CInputSource ***m_mseSources;
CInputSource ***m_joySources;
// Default key, mouse and joystick settings
KeySettings m_defKeySettings;
MouseSettings m_defMseSettings;
JoySettings m_defJoySettings;
// Current key, mouse and joystick settings for attached keyboards, mice and joysticks
vector<KeySettings*> m_keySettings;
vector<MouseSettings*> m_mseSettings;
vector<JoySettings*> m_joySettings;
// Empty input source
CMultiInputSource *m_emptySource;
//
// Helper methods
//
/*
* Creates source cache.
*/
void CreateSourceCache();
/*
* Clears cache of all sources and optionally deletes cache itself.
*/
void ClearSourceCache(bool deleteCache = false);
/*
* Releases a source from the cache.
*/
void ReleaseSource(CInputSource *&source);
/*
* Returns a key source for the given keyboard number (or all keyboards if ANY_KEYBOARD supplied) and key index.
* Will check the source cache first and if not found will create the source with CreateAnyKeySource or CreateKeySource.
*/
CInputSource *GetKeySource(int kbdNum, int keyIndex);
/*
* Returns a mouse source for the given mouse number (or all mice if ANY_MOUSE supplied) and mouse index.
* Will check the source cache first and if not found will create the source with CreateAnyMouseSource or CreateMouseSource.
*/
CInputSource *GetMouseSource(int mseNum, EMousePart msePart);
/*
* Returns a joystick source for the given joystick number (or all joysticks if ANY_JOYSTICK supplied) and joystick index.
* Will check the source cache first and if not found will create the source with CreateAnyJoySource or CreateJoySource.
*/
CInputSource *GetJoySource(int joyNum, EJoyPart joyPart);
void CheckAllSources(unsigned readFlags, bool fullAxisOnly, bool &mseCentered, vector<CInputSource*> &sources, string &mapping, vector<CInputSource*> &badSources);
/*
* Finds any currently activated key sources for the given keyboard number (or all keyboards if ANY_KEYBOARD supplied)
* and adds them to the sources vector, aswell as constructing the corresponding mapping(s) in the given string.
* If fullAxisOnly is true, then only sources that represent a full axis range (eg MouseXAxis) are considered.
*/
void CheckKeySources(int kbdNum, bool fullAxisOnly, vector<CInputSource*> &sources, string &mapping, vector<CInputSource*> &badSources);
/*
* Finds any currently activated mouse sources for the given mouse number (or all mice if ANY_MOUSE supplied)
* and adds them to the sources vector, aswell as constructing the corresponding mapping(s) in the given string.
* If fullAxisOnly is true, then only sources that represent a full axis range (eg MouseXAxis) are considered.
*/
void CheckMouseSources(int mseNum, bool fullAxisOnly, bool mseCentered, vector<CInputSource*> &sources, string &mapping, vector<CInputSource*> &badSources);
/*
* Finds any currently activated joystick sources for the given joystick number (or all joysticks if ANY_JOYSTICK supplied)
* and adds them to the sources vector, aswell as constructing the corresponding mapping(s) in the given string.
* If fullAxisOnly is true, then only sources that represent a full axis range (eg MouseXAxis) are considered.
*/
void CheckJoySources(int joyNum, bool fullAxisOnly, vector<CInputSource*> &sources, string &mapping, vector<CInputSource*> &badSources);
bool ParseInt(string str, int &num);
string IntToString(int num);
bool EqualsIgnoreCase(string str1, const char *str2);
bool StartsWithIgnoreCase(string str1, const char *str2);
/*
* Returns true if the given string represents a valid key name.
*/
bool IsValidKeyName(string str);
/*
* Returns the EMousePart with the given mapping name or MouseUnknown if not found.
*/
EMousePart LookupMousePart(string str);
/*
* Returns the mapping name for the given EMousePart.
*/
const char *LookupName(EMousePart msePart);
/*
* Returns the EJoyPart with the given mapping name or JoyUnknown if not found.
*/
EJoyPart LookupJoyPart(string str);
/*
* Returns the mapping name for the given EJoyPart.
*/
const char *LookupName(EJoyPart joyPart);
size_t ParseDevMapping(string str, const char *devType, int &devNum);
/*
* Parses the given mapping string, possibly representing more than one mapping, and returns an input source for it or NULL if the
* mapping is invalid.
* If fullAxisOnly is true, then only mappings that represent a full axis range (eg MouseXAxis) are parsed.
*/
CInputSource* ParseMultiSource(string str, bool fullAxisOnly, bool isOr);
/*
* Parses the given single mapping string and returns an input source for it, or NULL if non exists.
*/
CInputSource* ParseSingleSource(string str);
/*
* Prints the given key settings to stdout.
*/
void PrintKeySettings(int kbdNum, KeySettings *settings);
/*
* Reads key settings from an INI file for the given keyboard number, or common settings if ANY_KEYBOARD specified.
* Returns NULL if no relevant settings were found in the INI file.
*/
KeySettings *ReadKeySettings(CINIFile *ini, const char *section, int kbdNum);
/*
* Writes the given key settings to an INI file, only writing out settings that are different to their defaults.
*/
void WriteKeySettings(CINIFile *ini, const char *section, KeySettings *settings);
/*
* Prints the given mouse settings to stdout.
*/
void PrintMouseSettings(int mseNum, MouseSettings *settings);
/*
* Reads mouse settings from an INI file for the given mouse number, or common settings if ANY_MOUSE specified.
* Returns NULL if no relevant settings were found in the INI file.
*/
MouseSettings *ReadMouseSettings(CINIFile *ini, const char *section, int mseNum);
/*
* Writes the given mouse settings to an INI file, only writing out settings that are different to their defaults.
*/
void WriteMouseSettings(CINIFile *ini, const char *section, MouseSettings *settings);
/*
* Prints the given joystick settings to stdout.
*/
void PrintJoySettings(int joyNum, JoySettings *settings);
/*
* Reads joystick settings from an INI file for the given joystick number, or common settings if ANY_JOYSTICK specified.
* Returns NULL if no relevant settings were found in the INI file.
*/
JoySettings *ReadJoySettings(CINIFile *ini, const char *section, int joyNum);
/*
* Writes the given joystick settings to an INI file, only writing out settings that are different to their defaults.
*/
void WriteJoySettings(CINIFile *ini, const char *section, JoySettings *settings);
protected:
// Current display geometry
unsigned m_dispX;
unsigned m_dispY;
unsigned m_dispW;
unsigned m_dispH;
// Flag to indicate if system has grabbed mouse
bool m_grabMouse;
/*
* Constructs an input system with the given name.
*/
CInputSystem(const char *systemName);
/*
* Returns true if the given EMousePart is an axis.
*/
bool IsAxis(EMousePart msePart);
/*
* Returns true if the given EMousePart represents a full axis, eg MouseXAxis or MouseXAxisInv.
*/
bool IsFullAxis(EMousePart msePart);
/*
* Returns true if the EMousePart represents an axis and sets axisPart and axisDir as follows:
* axisNum will be the axis number (AXIS_X, AXIS_Y or AXIS_Z)
* axisDir will be AXIS_FULL, AXIS_INVERTED, AXIS_POS or AXIS_POS depending on whether the axis has the full range, has
* the full range but inverted, is negative only, or is positive only.
*/
bool GetAxisDetails(EMousePart msePart, int &axisNum, int &axisDir);
/*
* Returns true if the given EMousePart represets a button, eg MouseButtonLeft.
*/
bool IsButton(EMousePart msePart);
/*
* Returns the button number (indexed from 0) of the given EMousePart if it is a button, or -1 otherwise.
*/
int GetButtonNumber(EMousePart msePart);
/*
* Returns the EMousePart that represents the axis component for the given axis number (AXIS_X, AXIS_Y or AXIS_Z) and direction
* (AXIS_FULL, AXIS_INVERTED, AXIS_POS or AXIS_POS), or MouseUnknown otherwise.
*/
EMousePart GetMouseAxis(int axisNum, int axisDir);
/*
* Returns the EMousePart that represents the mouse button with the given number (0-4), or MouseUnknown otherwise.
*/
EMousePart GetMouseButton(int butNum);
/*
* Returns true if the given EJoyPart is an axis.
*/
bool IsAxis(EJoyPart joyPart);
/*
* Returns true if the given EJoyPart represents a full axis, eg JoyXAxis.
*/
bool IsFullAxis(EJoyPart joyPart);
/*
* Returns true if the given EJoyPart represents a slider axis, eg JoyS1Axis.
*/
bool IsSliderAxis(EJoyPart joyPart);
/*
* Returns true if joystick part represents an axis and sets axisPart and axisDir as follows:
* axisNum will be the axis number (AXIS_X, AXIS_Y, AXIS_Z, AXIS_RX, AXIS_RY or AXIS_RZ)
* axisDir is AXIS_FULL, AXIS_INVERTED, AXIS_POS or AXIS_POS depending on whether the axis has the full range, has
* the full range but inverted, is negative only, or is positive only.
*/
bool GetAxisDetails(EJoyPart joyPart, int &axisNum, int &axisDir);
/*
* Returns true if the given EJoyPart represents a POV hat direction, eg JoyPOV0Left.
*/
bool IsPOV(EJoyPart joyPart);
/*
* Returns true if the EJoyPart represents a POV hat direction and sets povNum and povDir as follows:
* povNum will be the POV hat number 0-4,
* povDir will be POV_UP, POV_DOWN, POV_LEFT or POV_RIGHT.
*/
bool GetPOVDetails(EJoyPart joyPart, int &povNum, int &povDir);
/*
* Returns true if the given EJoyPart is a button
*/
bool IsButton(EJoyPart joyPart);
/*
* Returns the button number (indexed from 0) of the given EJoyPart if it is a button, or -1 otherwise.
*/
int GetButtonNumber(EJoyPart joyPart);
/*
* Returns the EJoyPart that represents the axis component for the given axis number (AXIS_X, AXIS_Y, AXIS_Z, AXIS_RX, AXIS_RY or AXIS_RZ) and
* direction (AXIS_FULL, AXIS_INVERTED, AXIS_POS or AXIS_POS), or JoyUnknown otherwise.
*/
EJoyPart GetJoyAxis(int axisNum, int axisDir);
/*
* Returns the EJoyPart that represents the POV hot direction for the given POV number (0-4) and direction (POV_UP, POV_DOWN,
* POV_LEFT or POV_RIGHT), JoyUnknown otherwise.
*/
EJoyPart GetJoyPOV(int povNum, int povDir);
/*
* Returns the EJoyPart that represents the joystick button with the given number (0-31), or JoyUnknown otherwise.
*/
EJoyPart GetJoyButton(int butNum);
//
// Abstract methods subclass must implement (ie system-specific code)
//
virtual bool InitializeSystem() = 0;
/*
* Returns the system-specific key index that represents the given key name.
*/
virtual int GetKeyIndex(const char *keyName) = 0;
/*
* Returns the key name of the given system-specific integer key index.
*/
virtual const char *GetKeyName(int keyIndex) = 0;
/*
* Returns true if for the given keyboard the key with the system-specific key index is currently pressed.
*/
virtual bool IsKeyPressed(int kbdNum, int keyIndex) = 0;
/*
* Returns the current axis value for the given mouse and axis number (AXIS_X, AXIS_Y or AXIS_Z).
*/
virtual int GetMouseAxisValue(int mseNum, int axisNum) = 0;
/*
* Returns the current direction (-1, 0 or 1) the Z-axis (wheel) is moving in for the given mouse.
*/
virtual int GetMouseWheelDir(int mseNum) = 0;
/*
* Returns true if for the given mouse the button with the given number is currently pressed.
*/
virtual bool IsMouseButPressed(int mseNum, int butNum) = 0;
/*
* Returns the current axis value for the given joystick and axis number (AXIS_X, AXIS_Y, AXIS_Z, AXIS_RX, AXIS_RY or AXIS_RZ).
*/
virtual int GetJoyAxisValue(int joyNum, int axisNum) = 0;
/*
* Returns true if for the given joystick the POV-hat controller with the given number is pointing in a particular direction (POV_UP, POV_DOWN,
* POV_LEFT or POV_RIGHT)
*/
virtual bool IsJoyPOVInDir(int joyNum, int povNum, int povDir) = 0;
/*
* Returns true if for the given joystick the button with the given number is currently pressed.
*/
virtual bool IsJoyButPressed(int joyNum, int butNum) = 0;
/*
* Processes the given force feedback command for the given joystick and axis number.
*/
virtual bool ProcessForceFeedbackCmd(int joyNum, int axisNum, ForceFeedbackCmd ffCmd) = 0;
/*
* Waits for the given time in milliseconds
*/
virtual void Wait(int ms) = 0;
//
// Virtual methods subclass can override if required
//
/*
* Returns true if the mouse is currently centered in the display during configuration.
*/
virtual bool ConfigMouseCentered();
/*
* Creates an input source combining all keyboards for the given key index.
*/
virtual CInputSource *CreateAnyKeySource(int keyIndex);
/*
* Creates an input source combining all mice for the given EMousePart.
*/
virtual CInputSource *CreateAnyMouseSource(EMousePart msePart);
/*
* Creates an input source combining all joysticks for the given EJoyPart.
*/
virtual CInputSource *CreateAnyJoySource(EJoyPart joyPart);
/*
* Creates an input source for the given keyboard number and key index.
*/
virtual CInputSource *CreateKeySource(int kbdNum, int keyIndex);
/*
* Creates an input source for the given mouse number and EMousePart.
*/
virtual CInputSource *CreateMouseSource(int mseNum, EMousePart msePart);
/*
* Creates an input source for the given joystick number and EJoyPart.
*/
virtual CInputSource *CreateJoySource(int joyNum, EJoyPart joyPart);
public:
#ifdef DEBUG
static unsigned totalSrcsAcquired;
static unsigned totalSrcsReleased;
#endif
static const char *GetDefaultAxisName(int axisNum);
// Name of this input system
const char *name;
virtual ~CInputSystem();
/*
* Initializes the input system. Must be called before any other methods are used.
* Returns false if unable to initialize the system.
*/
bool Initialize();
/*
* Sets the current display geometry so that mouse movements can be scaled properly.
*/
void SetDisplayGeom(unsigned dispX, unsigned dispY, unsigned dispW, unsigned dispH);
/*
* Returns the number of attached keyboards (or 0 if the system cannot handle keyboards at all or ANY_KEYBOARD if the system cannot
* handle multiple keyboards).
*/
virtual int GetNumKeyboards() = 0;
/*
* Returns the number of attached mice (or 0 if the system cannot handle mice at all or ANY_MOUSE if the system cannot handle
* multiple mice).
*/
virtual int GetNumMice() = 0;
/*
* Returns number of attached joysticks (or 0 if the system cannot handle joysticks at all or ANY_JOYSTICK if the system cannot
* handle multiple joysticks).
*/
virtual int GetNumJoysticks() = 0;
/*
* Returns details about the keyboard with the given number, or NULL if it does not exist.
*/
virtual const KeyDetails *GetKeyDetails(int kbdNum) = 0;
/*
* Returns details about the mouse with the given number, or NULL if it does not exist.
*/
virtual const MouseDetails *GetMouseDetails(int mseNum) = 0;
/*
* Returns details about the joystick with the given number, or NULL if it does not exist.
*/
virtual const JoyDetails *GetJoyDetails(int joyNum) = 0;
/*
* Clears all keyboard, mouse and joystick settings.
*/
void ClearSettings();
/*
* Prints current keyboard, mouse and joystick settings to stdout.
*/
void PrintSettings();
/*
* Reads all keyboard, mouse and joystick settings (and any additional system-specific additional settings) from the given INI file.
*/
virtual void ReadFromINIFile(CINIFile *ini, const char *section);
/*
* Writes all keyboard, mouse and joystick settings (and any additional system-specific settings) to the given INI file.
*/
virtual void WriteToINIFile(CINIFile *ini, const char *section);
/*
* Returns the current key settings for given keyboard number, or common settings if ANY_KEYBOARD specified.
* If no settings are found and useDefault is false, NULL is returned. If useDefault is true then default settings are returned.
*/
KeySettings *GetKeySettings(int kbdNum, bool useDefault);
/*
* Returns the current mouse settings for given mouse number, or common settings if ANY_MOUSE specified.
* If no settings are found and useDefault is false, NULL is returned. If useDefault is true then default settings are returned.
*/
MouseSettings *GetMouseSettings(int mseNum, bool useDefault);
/*
* Returns the current joystick settings for given joystick number, or common settings if ANY_JOYSTICK specified.
* If no settings are found and useDefault is false, NULL is returned. If useDefault is true then default settings are returned.
*/
JoySettings *GetJoySettings(int joyNum, bool useDefault);
/*
* Returns the input source for the given mapping, or NULL if mapping is not valid.
*/
CInputSource* ParseSource(const char *mapping, bool fullAxisOnly = false);
/*
* Waits for any input from the user and once received copies a mapping configuration representing the input (eg KEY_A or JOY1_AXIS_POS)
* into the given buffer.
* Returns true if input was successfully received or false if the user activated the given escape mapping or closed the window.
* readFlags specifies which types of inputs (keyboards, mice, joysticks) are to be read and whether to merge the inputs to a common
* mapping, eg return MOUSE_XAXIS rather than MOUSE3_XAXIS.
* If fullAxisOnly is true, then only mappings representing a full axis are returned, eg JOY1_XAXIS is allowed but not JOY1_XAXIS_POS.
*/
bool ReadMapping(char *buffer, unsigned bufSize, bool fullAxisOnly = false, unsigned readFlags = READ_ALL, const char *escapeMapping = "KEY_ESCAPE");
/*
* Updates the current state of the input system (called by CInputs.Poll).
*/
virtual bool Poll() = 0;
virtual void GrabMouse();
virtual void UngrabMouse();
/*
* Sets the mouse visibility (some systems may choose to ignore this).
*/
virtual void SetMouseVisibility(bool visible) = 0;
virtual bool SendForceFeedbackCmd(int joyNum, int axisNum, ForceFeedbackCmd ffCmd);
bool DetectJoystickAxis(unsigned joyNum, unsigned &axisNum, const char *escapeMapping = "KEY_ESCAPE", const char *confirmMapping = "KEY_RETURN");
bool CalibrateJoystickAxis(unsigned joyNum, unsigned axisNum, const char *escapeMapping = "KEY_ESCAPE", const char *confirmMapping = "KEY_RETURN");
void PrintDevices();
//
// Nested Classes
//
/*
* Input source for a key on a keyboard.
*/
class CKeyInputSource : public CInputSource
{
private:
CInputSystem *m_system; // Parent input system
int m_kbdNum; // Keyboard number
int m_keyIndex; // Key index
int m_incr; // Key increment for analog values
int m_decr; // Key decrement for analog values
int m_val; // Current analog key value
int m_maxVal; // Maximum analog key value
public:
CKeyInputSource(CInputSystem *system, int kbdNum, int keyIndex, unsigned sensitivity, unsigned decaySpeed);
bool GetValueAsSwitch(bool &val);
bool GetValueAsAnalog(int &val, int minVal, int offVal, int maxVal);
};
/*
* Input source for the X- or Y-axis of a mouse.
*/
class CMseAxisInputSource : public CInputSource
{
private:
CInputSystem *m_system; // Parent input system
int m_mseNum; // Mouse number
int m_axisNum; // Axis number (AXIS_X, AXIS_Y or AXIS_Z)
int m_axisDir; // Axis direction (AXIS_FULL, AXIS_INVERTED, AXIS_POSITIVE or AXIS_NEGATIVE)
int m_deadPixels; // Size in pixels of dead zone in centre of axis
/*
* Scales the mouse axis value to the given range.
*/
int ScaleAxisValue(int minVal, int offVal, int maxVal);
public:
CMseAxisInputSource(CInputSystem *system, int mseNum, int axisNum, int axisDir, unsigned deadZone);
bool GetValueAsSwitch(bool &val);
bool GetValueAsAnalog(int &val, int minVal, int offVal, int maxVal);
};
/*
* Input source for the button of a mouse.
*/
class CMseButInputSource : public CInputSource
{
private:
CInputSystem *m_system; // Parent input system
int m_mseNum; // Mouse number
int m_butNum; // Button number
public:
CMseButInputSource(CInputSystem *system, int mseNum, int butNum);
bool GetValueAsSwitch(bool &val);
bool GetValueAsAnalog(int &val, int minVal, int offVal, int maxVal);
};
/*
* Input source for the axis of a joystick.
*/
class CJoyAxisInputSource : public CInputSource
{
private:
CInputSystem *m_system; // Parent input system
int m_joyNum; // Joystick number
int m_axisNum; // Axis number (AXIS_X, AXIS_Y, AXIS_Z, AXIS_RX, AXIS_RY or AXIS_RZ)
int m_axisDir; // Axis direction (AXIS_FULL, AXIS_INVERTED, AXIS_POSITIVE or AXIS_NEGATIVE)
int m_axisMinVal; // Axis min raw value (default -32768)
int m_axisOffVal; // Axis center/off raw value (default 0)
int m_axisMaxVal; // Axis max raw value (default 32767)
bool m_axisInverted; // True if axis max raw value less than axis min raw value
int m_posDZone; // Dead zone for positive range (0-99%)
int m_negDZone; // Dead zone for negative range (0-99%)
int m_posSat; // Saturation for positive range (1-100%)
int m_negSat; // Saturation for negative range (1-100%)
/*
* Scales the joystick axis value to the given range.
*/
int ScaleAxisValue(int minVal, int offVal, int maxVal);
public:
CJoyAxisInputSource(CInputSystem *system, int joyNum, int axisNum, int axisDir, int axisMinVal, int axisOffVal, int axisMaxVal,
unsigned deadZone, unsigned saturation);
bool GetValueAsSwitch(bool &val);
bool GetValueAsAnalog(int &val, int minVal, int offVal, int maxVal);
bool SendForceFeedbackCmd(ForceFeedbackCmd ffCmd);
};
/*
* Input source for a particular direction of a POV hat controller of a joystick.
*/
class CJoyPOVInputSource : public CInputSource
{
private:
CInputSystem *m_system; // Parent input system
int m_joyNum; // Joystick number
int m_povNum; // POV hat number
int m_povDir; // POV hat direction (POV_UP, POV_LEFT, POV_RIGHT, POV_DOWN)
public:
CJoyPOVInputSource(CInputSystem *system, int joyNum, int povNum, int povDir);
bool GetValueAsSwitch(bool &val);
bool GetValueAsAnalog(int &val, int minVal, int offVal, int maxVal);
};
/*
* Input source for the button of a joystick.
*/
class CJoyButInputSource : public CInputSource
{
private:
CInputSystem *m_system; // Parent input system
int m_joyNum; // Joystick number
int m_butNum; // Button number
public:
CJoyButInputSource(CInputSystem *system, int joyNum, int butNum);
bool GetValueAsSwitch(bool &val);
bool GetValueAsAnalog(int &val, int minVal, int offVal, int maxVal);
};
};
#endif // INCLUDED_INPUTSYSTEM_H
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