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- /***************************************************************************
- * joystick.cpp - Joystick handling class
- *
- * Copyright (C) 2003 - 2008 Florian Richter
- ***************************************************************************/
- /*
- 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; either version 3 of the License, or
- (at your option) any later version.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #include "../core/globals.h"
- #include "../input/keyboard.h"
- #include "../input/joystick.h"
- #include "../user/preferences.h"
- #include "../core/game_core.h"
- #include "../player/player.h"
- #include "../gui/hud.h"
- #include "../gui/menu.h"
- #include "../level/level.h"
- #include "../overworld/overworld.h"
-
- /* *** *** *** *** *** *** cJoystick *** *** *** *** *** *** *** *** *** *** *** */
-
- cJoystick :: cJoystick( void )
- {
- joystick = NULL;
-
- stick_open = 0;
-
- cur_stick = 0;
- num_buttons = 0;
- num_axes = 0;
- num_balls = 0;
-
- debug = 0;
-
- Reset_keys();
-
- Init();
- }
-
- cJoystick :: ~cJoystick( void )
- {
- Close();
- }
-
- int cJoystick :: Init( void )
- {
- // if not enabled
- if( !pPreferences->joy_enabled )
- {
- return 0;
- }
-
- int joy_count = SDL_NumJoysticks();
-
- // no joystick available
- if( joy_count <= 0 )
- {
- printf( "No joysticks available\n" );
- pPreferences->joy_enabled = 0;
- return 0;
- }
-
- if( debug )
- {
- printf( "Joysticks found : %d\n\n", joy_count );
- }
-
- unsigned int default_joy = 0;
-
- // if default joy name is given
- if( !pPreferences->joy_name.empty() )
- {
- vector<string> joy_names = Get_Names();
-
- for( unsigned int i = 0; i < joy_names.size(); i++ )
- {
- // found default joy
- if( joy_names[i].compare( pPreferences->joy_name ) == 0 )
- {
- default_joy = i;
- break;
- }
- }
- }
-
- // setup
- SDL_JoystickEventState( SDL_ENABLE );
- Stick_Open( default_joy );
-
- if( debug )
- {
- printf( "Joypad System Initialized\n" );
- }
-
- return 1;
- }
-
- void cJoystick :: Close( void )
- {
- Stick_Close();
- }
-
- bool cJoystick :: Stick_Open( unsigned int index )
- {
- // if a joystick is already opened close it first
- if( stick_open )
- {
- Stick_Close();
- }
-
- joystick = SDL_JoystickOpen( index );
-
- if( !joystick )
- {
- printf( "Couldn't open joystick %d\n", index );
- stick_open = 0;
- return 0;
- }
-
- cur_stick = index;
-
- num_buttons = SDL_JoystickNumButtons( joystick );
- num_axes = SDL_JoystickNumAxes( joystick );
- num_balls = SDL_JoystickNumBalls( joystick );
-
- // todo : replace with STL fill
- // setup available button
- for( unsigned int i = 0; i < num_buttons; i++ )
- {
- buttons.push_back( 0 );
- }
-
- if( debug )
- {
- printf( "Opened Joystick %d\n", cur_stick );
- printf( "Name: %s\n", Get_Name().c_str() );
- printf( "Number of Buttons: %d\n", num_buttons );
- printf( "Number of Axes: %d\n", num_axes );
- printf( "Number of Balls: %d\n\n", num_balls );
- }
-
- stick_open = 1;
- return 1;
- }
-
- void cJoystick :: Stick_Close( void )
- {
- // not available
- if( !joystick )
- {
- return;
- }
-
- SDL_JoystickClose( joystick );
- joystick = NULL;
-
- Reset_keys();
-
- num_buttons = 0;
- num_axes = 0;
- num_balls = 0;
-
- buttons.clear();
- stick_open = 0;
-
- if( debug )
- {
- printf( "Joystick %d closed\n", cur_stick );
- }
-
- cur_stick = 0;
- }
-
- void cJoystick :: Reset_keys( void )
- {
- // clear buttons
- for( unsigned int i = 0; i < buttons.size(); i++ )
- {
- buttons[i] = 0;
- }
-
- left = 0;
- right = 0;
- up = 0;
- down = 0;
- }
-
- void cJoystick :: Handle_Motion( SDL_Event *ev )
- {
- // Vertical Axis
- if( ev->jaxis.axis == pPreferences->joy_axis_ver )
- {
- // Up
- if( ev->jaxis.value < -pPreferences->joy_axis_threshold )
- {
- if( debug )
- {
- printf( "Joystick %d : Up Button pressed\n", cur_stick );
- }
-
- if( !up )
- {
- pKeyboard->Key_Down( pPreferences->key_up );
- up = 1;
- }
-
- if( down )
- {
- pKeyboard->Key_Up( pPreferences->key_down );
- down = 0;
- }
- }
- // Down
- else if( ev->jaxis.value > pPreferences->joy_axis_threshold )
- {
- if( debug )
- {
- printf( "Joystick %d : Down Button pressed\n", cur_stick );
- }
-
- if( !down )
- {
- pKeyboard->Key_Down( pPreferences->key_down );
- down = 1;
- }
-
- if( up )
- {
- pKeyboard->Key_Up( pPreferences->key_up );
- up = 0;
- }
- }
- // No Down/Left
- else
- {
- if( down )
- {
- pKeyboard->Key_Up( pPreferences->key_down );
- down = 0;
- }
-
- if( up )
- {
- pKeyboard->Key_Up( pPreferences->key_up );
- up = 0;
- }
- }
- }
- // Horizontal Axis
- else if( ev->jaxis.axis == pPreferences->joy_axis_hor )
- {
- // Left
- if( ev->jaxis.value < -pPreferences->joy_axis_threshold )
- {
- if( debug )
- {
- printf( "Joystick %d : Left Button pressed\n", cur_stick );
- }
-
- if( !left )
- {
- pKeyboard->Key_Down( pPreferences->key_left );
- left = 1;
- }
-
- if( right )
- {
- pKeyboard->Key_Up( pPreferences->key_right );
- right = 0;
- }
- }
- // Right
- else if( ev->jaxis.value > pPreferences->joy_axis_threshold )
- {
- if( debug )
- {
- printf( "Joystick %d : Right Button pressed\n", cur_stick );
- }
-
- if( !right )
- {
- pKeyboard->Key_Down( pPreferences->key_right );
- right = 1;
- }
-
- if( left )
- {
- pKeyboard->Key_Up( pPreferences->key_left );
- left = 0;
- }
- }
- // No Left/Right
- else
- {
- if( left )
- {
- pKeyboard->Key_Up( pPreferences->key_left );
- left = 0;
- }
-
- if( right )
- {
- pKeyboard->Key_Up( pPreferences->key_right );
- right = 0;
- }
- }
- }
- }
-
- bool cJoystick :: Handle_Button_Down_Event( SDL_Event *ev )
- {
- // not enabled or opened
- if( !pPreferences->joy_enabled || !stick_open )
- {
- return 0;
- }
-
- Set_Button( ev->jbutton.button, 1 );
-
- // handle button in the current mode
- if( Game_Mode == MODE_LEVEL )
- {
- // processed by the level
- if( pActive_Level->Joy_Button_Down( ev->jbutton.button ) )
- {
- return 1;
- }
- }
- else if( Game_Mode == MODE_OVERWORLD )
- {
- // processed by the overworld
- if( pActive_Overworld->Joy_Button_Down( ev->jbutton.button ) )
- {
- return 1;
- }
- }
- else if( Game_Mode == MODE_MENU )
- {
- // processed by the menu
- if( pMenuCore->Joy_Button_Down( ev->jbutton.button ) )
- {
- return 1;
- }
- }
-
- if( ev->jbutton.button < buttons.size() )
- {
- // Jump
- if( ev->jbutton.button == pPreferences->joy_button_jump )
- {
- //
- }
- // Shoot
- else if( ev->jbutton.button == pPreferences->joy_button_shoot )
- {
- pKeyboard->Key_Down( pPreferences->key_shoot );
- return 1;
- }
- // Request Itembox Item
- else if( ev->jbutton.button == pPreferences->joy_button_item )
- {
- // not handled
- return 1;
- }
- // Interaction
- else if( ev->jbutton.button == pPreferences->joy_button_action )
- {
- pKeyboard->Key_Down( pPreferences->key_action );
- return 1;
- }
- // Exit
- else if( ev->jbutton.button == pPreferences->joy_button_exit )
- {
- pKeyboard->Key_Down( SDLK_ESCAPE );
- return 1;
- }
- // Pause
- else if( ev->jbutton.button == 9 )
- {
- pKeyboard->Key_Down( SDLK_PAUSE );
- return 1;
- }
- }
-
- return 0;
- }
-
- bool cJoystick :: Handle_Button_Up_Event( SDL_Event *ev )
- {
- // not enabled or opened
- if( !pPreferences->joy_enabled || !stick_open )
- {
- return 0;
- }
-
- Set_Button( ev->jbutton.button, 0 );
-
- // handle button in the current mode
- if( Game_Mode == MODE_LEVEL )
- {
- // processed by the level
- if( pActive_Level->Joy_Button_Up( ev->jbutton.button ) )
- {
- return 1;
- }
- }
- else if( Game_Mode == MODE_OVERWORLD )
- {
- // processed by the overworld
- if( pActive_Overworld->Joy_Button_Up( ev->jbutton.button ) )
- {
- return 1;
- }
- }
- else if( Game_Mode == MODE_MENU )
- {
- // processed by the menu
- if( pMenuCore->Joy_Button_Up( ev->jbutton.button ) )
- {
- return 1;
- }
- }
-
- if( ev->jbutton.button < buttons.size() )
- {
- if( ev->jbutton.button == pPreferences->joy_button_jump )
- {
- pKeyboard->Key_Up( pPreferences->key_jump );
- return 1;
- }
- else if( ev->jbutton.button == pPreferences->joy_button_shoot )
- {
- pKeyboard->Key_Up( pPreferences->key_shoot );
- return 1;
- }
- else if( ev->jbutton.button == pPreferences->joy_button_item )
- {
- // not handled
- }
- else if( ev->jbutton.button == pPreferences->joy_button_action )
- {
- pKeyboard->Key_Up( pPreferences->key_action );
- return 1;
- }
- else if( ev->jbutton.button == pPreferences->joy_button_exit )
- {
- pKeyboard->Key_Up( SDLK_ESCAPE );
- return 1;
- }
- }
-
- return 0;
- }
-
- string cJoystick :: Get_Name( void )
- {
- return SDL_JoystickName( cur_stick );
- }
-
- vector<string> cJoystick :: Get_Names( void )
- {
- vector<string> names;
- // get joy count
- int joy_count = SDL_NumJoysticks();
-
- // joystick names
- for( int i = 0; i < joy_count; i++ )
- {
- names.push_back( SDL_JoystickName( i ) );
- }
-
- return names;
- }
-
- void cJoystick :: Set_Button( Uint8 num, bool pressed )
- {
- // not available
- if( num >= buttons.size() )
- {
- return;
- }
-
- if( debug )
- {
- if( pressed )
- {
- printf( "Joystick %d : Joy Button %d pressed\n", cur_stick, num );
- }
- else
- {
- printf( "Joystick %d : Joy Button %d released\n", cur_stick, num );
- }
- }
-
- buttons[num] = pressed;
- }
-
- Uint8 *cJoystick :: Get_Shortcut( input_identifier shortcut_id )
- {
- if( shortcut_id == INP_JUMP )
- {
- return &pPreferences->joy_button_jump;
- }
- else if( shortcut_id == INP_ITEM )
- {
- return &pPreferences->joy_button_item;
- }
- else if( shortcut_id == INP_SHOOT )
- {
- return &pPreferences->joy_button_shoot;
- }
- else if( shortcut_id == INP_ACTION )
- {
- return &pPreferences->joy_button_action;
- }
- else if( shortcut_id == INP_EXIT )
- {
- return &pPreferences->joy_button_exit;
- }
-
- return NULL;
- }
-
- void cJoystick :: Assign_Shortcut( input_identifier shortcut_id, Uint8 new_button )
- {
- Uint8 *button = Get_Shortcut( shortcut_id );
- *button = new_button;
- }
-
- bool cJoystick :: Left( void )
- {
- if( pPreferences->joy_enabled && input_event.type == SDL_JOYAXISMOTION && input_event.jaxis.value < -pPreferences->joy_axis_threshold &&
- input_event.jaxis.axis == pPreferences->joy_axis_hor )
- {
- return 1;
- }
-
- return 0;
- }
-
- bool cJoystick :: Right( void )
- {
- if( pPreferences->joy_enabled && input_event.type == SDL_JOYAXISMOTION && input_event.jaxis.value > pPreferences->joy_axis_threshold &&
- input_event.jaxis.axis == pPreferences->joy_axis_hor )
- {
- return 1;
- }
-
- return 0;
- }
-
- bool cJoystick :: Up( void )
- {
- if( pPreferences->joy_enabled && input_event.type == SDL_JOYAXISMOTION && input_event.jaxis.value < -pPreferences->joy_axis_threshold &&
- input_event.jaxis.axis == pPreferences->joy_axis_ver )
- {
- return 1;
- }
-
- return 0;
- }
-
- bool cJoystick :: Down( void )
- {
- if( pPreferences->joy_enabled && input_event.type == SDL_JOYAXISMOTION && input_event.jaxis.value > pPreferences->joy_axis_threshold &&
- input_event.jaxis.axis == pPreferences->joy_axis_ver )
- {
- return 1;
- }
-
- return 0;
- }
-
- bool cJoystick :: Button( Uint8 num )
- {
- // if available and pressed
- if( num < buttons.size() && buttons[num] )
- {
- return 1;
- }
-
- return 0;
- }
-
- /* *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** */
-
- cJoystick *pJoystick = NULL;
-