controller.c

/*

  Velocity  v1.5
  Copyright 2006, 2007 Gabriel Anderson

  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 2 of the License, or
    (at your option) any later version.

    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 for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

*/

//---------------------------------------------------------------------------------//
// Includes                                                                        //
//---------------------------------------------------------------------------------//

#include "vlib.h"

//---------------------------------------------------------------------------------//
// Controller                                                                      //
//---------------------------------------------------------------------------------//

CONTROLLER *button;

CONTROLLER *read_input ( int masked, int init, int interval ) {
  // Get the buttons currently being pressed
  sceCtrlPeekBufferPositive ( &ctrl, 1 );

  button->repeatMask = masked; // Assign the buttons masks
  button->repeatInit = init; // assign the repeat init
  button->repeatInterval = interval; // assign the repeat intervals

  // if repeat counter is greater then or equal to the repeat interval and th repeat counter is equal to the button init
  if ( button->repeatCounter >= button->repeatInterval && button->repeatCounter == button->repeatInit ) {
    button->repeatMask = MASK_NONE; // Remove masked buttons for the rest of the frame
    button->repeatCounter -= button->repeatInterval; // subtract repeat interval from repeat counter so we get that fun little sped up effect(like with menu's)
    // if the masked buttons are the same as the held buttons, then increament the counter
  } else if ( button->repeatMask & ctrl.Buttons ) {
    if ( button->repeatCounter == 0 ) button->repeatMask = MASK_NONE;
    button->repeatCounter++;
    // otherwise, set the counter to 0
  } else
    button->repeatCounter = 0;

  button->released.value = button->held.value & ~ctrl.Buttons; // assign the released buttons
  button->pressed.value = ~button->held.value & ctrl.Buttons; // assign the pressed buttons
  button->held.value = ctrl.Buttons & ~button->repeatMask; // assign the held buttons

  button->analogX = ( short ) ctrl.Lx - 128; // assign the analog x value
  button->analogY = ( short ) ctrl.Ly - 128; // assign the anolog y value

  return button; // return all the button info
}

---