mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-09-22 12:21:41 +02:00
936225eee4
Also fix an issue reported by baby.lueshi (issue 1074) in nJoy related to half press button being always pressed when unset. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3661 8ced0084-cf51-0410-be5f-012b33b47a6e
371 lines
12 KiB
C++
371 lines
12 KiB
C++
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Project description
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
// Name: SDL Input
|
|
// Description: Common SDL Input Functions
|
|
//
|
|
// Author: Falcon4ever (nJoy@falcon4ever.com, www.multigesture.net), JPeterson etc
|
|
// Copyright (C) 2003-2008 Dolphin Project.
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Licensetype: GNU General Public License (GPL)
|
|
//
|
|
// This program 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, version 2.0.
|
|
//
|
|
// This program 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 2.0 for more details.
|
|
//
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
//
|
|
// Official SVN repository and contact information can be found at
|
|
// http://code.google.com/p/dolphin-emu/
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Include
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
#define _SDL_MAIN_ // Avoid certain declarations in SDL.h
|
|
#include "SDL.h" // Local
|
|
#include "XInput.h"
|
|
////////////////////////////////////
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Definitions
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
int g_LastPad = 0;
|
|
////////////////////////////////////
|
|
|
|
|
|
namespace InputCommon
|
|
{
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Definitions
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
|
|
////////////////////////////////////
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Search attached devices. Populate joyinfo for all attached physical devices.
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
bool SearchDevices(std::vector<CONTROLLER_INFO> &_joyinfo, int &_NumPads, int &_NumGoodPads)
|
|
{
|
|
/* SDL 1.3 use DirectInput instead of the old Microsoft Multimedia API, and with this we need
|
|
the SDL_INIT_VIDEO flag to */
|
|
if (!SDL_WasInit(0))
|
|
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0)
|
|
{
|
|
PanicAlert("Could not initialize SDL: %s", SDL_GetError());
|
|
return false;
|
|
}
|
|
|
|
// Get device status
|
|
int numjoy = SDL_NumJoysticks();
|
|
for (int i = 0; i < numjoy; i++ )
|
|
{
|
|
CONTROLLER_INFO Tmp;
|
|
|
|
Tmp.joy = SDL_JoystickOpen(i);
|
|
Tmp.ID = i;
|
|
Tmp.NumAxes = SDL_JoystickNumAxes(Tmp.joy);
|
|
Tmp.NumButtons = SDL_JoystickNumButtons(Tmp.joy);
|
|
Tmp.NumBalls = SDL_JoystickNumBalls(Tmp.joy);
|
|
Tmp.NumHats = SDL_JoystickNumHats(Tmp.joy);
|
|
Tmp.Name = SDL_JoystickName(i);
|
|
|
|
// Check if the device is okay
|
|
if ( Tmp.NumAxes == 0
|
|
&& Tmp.NumBalls == 0
|
|
&& Tmp.NumButtons == 0
|
|
&& Tmp.NumHats == 0
|
|
)
|
|
{
|
|
Tmp.Good = false;
|
|
}
|
|
else
|
|
{
|
|
_NumGoodPads++;
|
|
Tmp.Good = true;
|
|
}
|
|
|
|
_joyinfo.push_back(Tmp);
|
|
|
|
// We have now read the values we need so we close the device
|
|
if (SDL_JoystickOpened(i)) SDL_JoystickClose(_joyinfo[i].joy);
|
|
}
|
|
|
|
_NumPads = (int)_joyinfo.size();
|
|
|
|
return true;
|
|
}
|
|
////////////////////////////////////
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Supporting functions
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
|
|
// Read current joystick status
|
|
/* ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
The value PadMapping[].buttons[] is the number of the assigned joypad button,
|
|
PadState[].buttons[] is the status of the button, it becomes 0 (no pressed) or 1 (pressed) */
|
|
|
|
|
|
// Read buttons status. Called from GetJoyState().
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
void ReadButton(CONTROLLER_STATE &_PadState, CONTROLLER_MAPPING _PadMapping, int button, int NumButtons)
|
|
{
|
|
int ctl_button = _PadMapping.buttons[button];
|
|
if (ctl_button < NumButtons)
|
|
{
|
|
_PadState.buttons[button] = SDL_JoystickGetButton(_PadState.joy, ctl_button);
|
|
}
|
|
}
|
|
|
|
// Request joystick state.
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
/* Called from: PAD_GetStatus()
|
|
Input: The virtual device 0, 1, 2 or 3
|
|
Function: Updates the PadState struct with the current pad status. The input value "controller" is
|
|
for a virtual controller 0 to 3. */
|
|
void GetJoyState(CONTROLLER_STATE &_PadState, CONTROLLER_MAPPING _PadMapping, int Controller, int NumButtons)
|
|
{
|
|
// Update the gamepad status
|
|
SDL_JoystickUpdate();
|
|
|
|
// Update axis states. It doesn't hurt much if we happen to ask for nonexisting axises here.
|
|
_PadState.axis[CTL_MAIN_X] = SDL_JoystickGetAxis(_PadState.joy, _PadMapping.axis[CTL_MAIN_X]);
|
|
_PadState.axis[CTL_MAIN_Y] = SDL_JoystickGetAxis(_PadState.joy, _PadMapping.axis[CTL_MAIN_Y]);
|
|
_PadState.axis[CTL_SUB_X] = SDL_JoystickGetAxis(_PadState.joy, _PadMapping.axis[CTL_SUB_X]);
|
|
_PadState.axis[CTL_SUB_Y] = SDL_JoystickGetAxis(_PadState.joy, _PadMapping.axis[CTL_SUB_Y]);
|
|
|
|
// Update the analog trigger axis values
|
|
#ifdef _WIN32
|
|
if (_PadMapping.triggertype == CTL_TRIGGER_SDL)
|
|
{
|
|
#endif
|
|
// If we are using SDL analog triggers the buttons have to be mapped as 1000 or up, otherwise they are not used
|
|
if(_PadMapping.buttons[CTL_L_SHOULDER] >= 1000) _PadState.axis[CTL_L_SHOULDER] = SDL_JoystickGetAxis(_PadState.joy, _PadMapping.buttons[CTL_L_SHOULDER] - 1000); else _PadState.axis[CTL_L_SHOULDER] = 0;
|
|
if(_PadMapping.buttons[CTL_R_SHOULDER] >= 1000) _PadState.axis[CTL_R_SHOULDER] = SDL_JoystickGetAxis(_PadState.joy, _PadMapping.buttons[CTL_R_SHOULDER] - 1000); else _PadState.axis[CTL_R_SHOULDER] = 0;
|
|
#ifdef _WIN32
|
|
}
|
|
else
|
|
{
|
|
// XInput triggers for Xbox360 pads
|
|
_PadState.axis[CTL_L_SHOULDER] = XInput::GetXI(0, _PadMapping.buttons[CTL_L_SHOULDER] - 1000);
|
|
_PadState.axis[CTL_R_SHOULDER] = XInput::GetXI(0, _PadMapping.buttons[CTL_R_SHOULDER] - 1000);
|
|
}
|
|
#endif
|
|
|
|
// Update button states to on or off
|
|
ReadButton(_PadState, _PadMapping, CTL_L_SHOULDER, NumButtons);
|
|
ReadButton(_PadState, _PadMapping, CTL_R_SHOULDER, NumButtons);
|
|
ReadButton(_PadState, _PadMapping, CTL_A_BUTTON, NumButtons);
|
|
ReadButton(_PadState, _PadMapping, CTL_B_BUTTON, NumButtons);
|
|
ReadButton(_PadState, _PadMapping, CTL_X_BUTTON, NumButtons);
|
|
ReadButton(_PadState, _PadMapping, CTL_Y_BUTTON, NumButtons);
|
|
ReadButton(_PadState, _PadMapping, CTL_Z_TRIGGER, NumButtons);
|
|
ReadButton(_PadState, _PadMapping, CTL_START, NumButtons);
|
|
|
|
// Update Halfpress state, this one is not in the standard _PadState.buttons array
|
|
if (_PadMapping.halfpress < NumButtons && _PadMapping.halfpress >= 0)
|
|
_PadState.halfpress = SDL_JoystickGetButton(_PadState.joy, _PadMapping.halfpress);
|
|
else
|
|
_PadState.halfpress = 0;
|
|
|
|
|
|
// Check if we have an analog or digital joypad
|
|
if (_PadMapping.controllertype == CTL_DPAD_HAT)
|
|
{
|
|
_PadState.dpad = SDL_JoystickGetHat(_PadState.joy, _PadMapping.dpad);
|
|
}
|
|
else
|
|
{
|
|
// Only do this if the assigned button is in range (to allow for the current way of saving keyboard
|
|
// keys in the same array)
|
|
if(_PadMapping.dpad2[CTL_D_PAD_UP] <= NumButtons)
|
|
_PadState.dpad2[CTL_D_PAD_UP] = SDL_JoystickGetButton(_PadState.joy, _PadMapping.dpad2[CTL_D_PAD_UP]);
|
|
if(_PadMapping.dpad2[CTL_D_PAD_DOWN] <= NumButtons)
|
|
_PadState.dpad2[CTL_D_PAD_DOWN] = SDL_JoystickGetButton(_PadState.joy, _PadMapping.dpad2[CTL_D_PAD_DOWN]);
|
|
if(_PadMapping.dpad2[CTL_D_PAD_LEFT] <= NumButtons)
|
|
_PadState.dpad2[CTL_D_PAD_LEFT] = SDL_JoystickGetButton(_PadState.joy, _PadMapping.dpad2[CTL_D_PAD_LEFT]);
|
|
if(_PadMapping.dpad2[CTL_D_PAD_RIGHT] <= NumButtons)
|
|
_PadState.dpad2[CTL_D_PAD_RIGHT] = SDL_JoystickGetButton(_PadState.joy, _PadMapping.dpad2[CTL_D_PAD_RIGHT]);
|
|
}
|
|
|
|
#ifdef SHOW_PAD_STATUS
|
|
// Show the status of all connected pads
|
|
//if ((g_LastPad == 0 && Controller == 0) || Controller < g_LastPad) Console::ClearScreen();
|
|
g_LastPad = Controller;
|
|
DEBUG_LOG(CONSOLE,
|
|
"Pad | Number:%i Enabled:%i Handle:%i\n"
|
|
"Main Stick | X:%03i Y:%03i\n"
|
|
"C Stick | X:%03i Y:%03i\n"
|
|
"Trigger | Type:%s DigitalL:%i DigitalR:%i AnalogL:%03i AnalogR:%03i HalfPress:%i\n"
|
|
"Buttons | A:%i X:%i\n"
|
|
"D-Pad | Type:%s Hat:%i U:%i D:%i\n"
|
|
"======================================================\n",
|
|
|
|
Controller, _PadMapping.enabled, _PadState.joy,
|
|
|
|
_PadState.axis[InputCommon::CTL_MAIN_X], _PadState.axis[InputCommon::CTL_MAIN_Y],
|
|
_PadState.axis[InputCommon::CTL_SUB_X], _PadState.axis[InputCommon::CTL_SUB_Y],
|
|
|
|
(_PadMapping.triggertype ? "CTL_TRIGGER_XINPUT" : "CTL_TRIGGER_SDL"),
|
|
_PadState.buttons[InputCommon::CTL_L_SHOULDER], _PadState.buttons[InputCommon::CTL_R_SHOULDER],
|
|
_PadState.axis[InputCommon::CTL_L_SHOULDER], _PadState.axis[InputCommon::CTL_R_SHOULDER],
|
|
_PadState.halfpress,
|
|
|
|
_PadState.buttons[InputCommon::CTL_A_BUTTON], _PadState.buttons[InputCommon::CTL_X_BUTTON],
|
|
|
|
(_PadMapping.controllertype ? "CTL_DPAD_CUSTOM" : "CTL_DPAD_HAT"),
|
|
_PadState.dpad,
|
|
_PadState.dpad2[InputCommon::CTL_D_PAD_UP], _PadState.dpad2[InputCommon::CTL_D_PAD_DOWN]
|
|
);
|
|
#endif
|
|
}
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Configure button mapping
|
|
// ¯¯¯¯¯¯¯¯¯¯
|
|
|
|
// Avoid extreme axis values
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
/* Function: We have to avoid very big values to becuse some triggers are -0x8000 in the
|
|
unpressed state (and then go from -0x8000 to 0x8000 as they are fully pressed) */
|
|
bool AvoidValues(int value, bool NoTriggerFilter)
|
|
{
|
|
// Avoid detecting very small or very big (for triggers) values
|
|
if( (value > -0x2000 && value < 0x2000) // Small values
|
|
|| ((value < -0x6000 || value > 0x6000) && !NoTriggerFilter)) // Big values
|
|
return true; // Avoid
|
|
else
|
|
return false; // Keep
|
|
}
|
|
|
|
|
|
// Detect a pressed button
|
|
// ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
|
|
void GetButton(SDL_Joystick *joy, int ControllerID, int buttons, int axes, int hats,
|
|
int &KeyboardKey, int &value, int &type, int &pressed, bool &Succeed, bool &Stop,
|
|
bool LeftRight, bool Axis, bool XInput, bool Button, bool Hat, bool NoTriggerFilter)
|
|
{
|
|
// It needs the wxWidgets excape keycode
|
|
static const int WXK_ESCAPE = 27;
|
|
|
|
// Update the internal status
|
|
SDL_JoystickUpdate();
|
|
|
|
// For the triggers we accept both a digital or an analog button
|
|
if(Axis)
|
|
{
|
|
for(int i = 0; i < axes; i++)
|
|
{
|
|
value = SDL_JoystickGetAxis(joy, i);
|
|
|
|
if(AvoidValues(value, NoTriggerFilter)) continue; // Avoid values
|
|
|
|
pressed = i + (LeftRight ? 1000 : 0); // Identify the analog triggers
|
|
type = InputCommon::CTL_AXIS;
|
|
Succeed = true;
|
|
}
|
|
}
|
|
|
|
// Check for a hat
|
|
if(Hat)
|
|
{
|
|
for(int i = 0; i < hats; i++)
|
|
{
|
|
if(SDL_JoystickGetHat(joy, i))
|
|
{
|
|
pressed = i;
|
|
type = InputCommon::CTL_HAT;
|
|
Succeed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for a button
|
|
if(Button)
|
|
{
|
|
for(int i = 0; i < buttons; i++)
|
|
{
|
|
// Some kind of bug in SDL 1.3 would give button 9 and 10 (nonexistent) the value 48 on the 360 pad
|
|
if (SDL_JoystickGetButton(joy, i) > 1) continue;
|
|
|
|
if(SDL_JoystickGetButton(joy, i))
|
|
{
|
|
pressed = i;
|
|
type = InputCommon::CTL_BUTTON;
|
|
Succeed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for a XInput trigger
|
|
#ifdef _WIN32
|
|
if(XInput)
|
|
{
|
|
for(int i = 0; i <= InputCommon::XI_TRIGGER_R; i++)
|
|
{
|
|
if(XInput::GetXI(0, i))
|
|
{
|
|
pressed = i + 1000;
|
|
type = InputCommon::CTL_AXIS;
|
|
Succeed = true;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Check for keyboard action
|
|
if (KeyboardKey)
|
|
{
|
|
if(Button)
|
|
{
|
|
// Todo: Add a separate keyboard vector to remove this restriction
|
|
if(KeyboardKey >= buttons)
|
|
{
|
|
pressed = KeyboardKey;
|
|
type = InputCommon::CTL_BUTTON;
|
|
Succeed = true;
|
|
KeyboardKey = 0;
|
|
if(pressed == WXK_ESCAPE) pressed = -1; // Check for the escape key
|
|
}
|
|
// Else show the error message
|
|
else
|
|
{
|
|
pressed = KeyboardKey;
|
|
KeyboardKey = -1;
|
|
Stop = true;
|
|
}
|
|
}
|
|
// Only accept the escape key
|
|
else if (KeyboardKey == WXK_ESCAPE)
|
|
{
|
|
Succeed = true;
|
|
KeyboardKey = 0;
|
|
pressed = -1;
|
|
}
|
|
}
|
|
}
|
|
/////////////////////////////////////////////////////////// Configure button mapping
|
|
|
|
|
|
|
|
} // InputCommon
|
|
|