text: /***************************************************************************************
   *  Genesis Plus
   *  Input peripherals support
   *
   *  Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003  Charles Mac Donald (original code)
   *  Copyright (C) 2007-2014  Eke-Eke (Genesis Plus GX)
   *
   *  Redistribution and use of this code or any derivative works are permitted
   *  provided that the following conditions are met:
   *
   *   - Redistributions may not be sold, nor may they be used in a commercial
   *     product or activity.
   *
   *   - Redistributions that are modified from the original source must include the
   *     complete source code, including the source code for all components used by a
   *     binary built from the modified sources. However, as a special exception, the
   *     source code distributed need not include anything that is normally distributed
   *     (in either source or binary form) with the major components (compiler, kernel,
   *     and so on) of the operating system on which the executable runs, unless that
   *     component itself accompanies the executable.
   *
   *   - Redistributions must reproduce the above copyright notice, this list of
   *     conditions and the following disclaimer in the documentation and/or other
   *     materials provided with the distribution.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   *  POSSIBILITY OF SUCH DAMAGE.
   *
   ****************************************************************************************/
  
  #include "shared.h"
  #include "gamepad.h"
  #include "lightgun.h"
  #include "mouse.h"
  #include "activator.h"
  #include "xe_1ap.h"
  #include "teamplayer.h"
  #include "paddle.h"
  #include "sportspad.h"
  #include "terebi_oekaki.h"
  #include "graphic_board.h"
  
  t_input input;
  int old_system[2] = {-1,-1};
  
  
  void input_init(void)
  {
    int i, padtype;
    int player = 0;
  
    for (i=0; i<MAX_DEVICES; i++)
    {
      input.dev[i] = NO_DEVICE;
      input.pad[i] = 0;
    }
  
    /* PICO tablet */
    if (system_hw == SYSTEM_PICO)
    {
      input.dev[0] = DEVICE_PICO;
      return;
    }
  
    /* Terebi Oekaki tablet */
    if (cart.special & HW_TEREBI_OEKAKI)
    {
      input.dev[0] = DEVICE_TEREBI;
      return;
    }
  
    /* default gamepad type */
    if (romtype & SYSTEM_MD)
    {
      /* 3-buttons or 6-buttons */
      padtype = (rominfo.peripherals & 2) ? DEVICE_PAD6B : DEVICE_PAD3B;
    }
    else
    {
      /* 2-buttons */
      padtype = DEVICE_PAD2B;
    }
  
    switch (input.system[0])
    {
      case SYSTEM_GAMEPAD:
      {
        /* 2-buttons, 3-buttons or 6-buttons control pad */
        if (config.input[player].padtype != (DEVICE_PAD2B | DEVICE_PAD3B | DEVICE_PAD6B))
        {
          input.dev[0] = config.input[player].padtype;
        }
        else
        {
          input.dev[0] = padtype;
        }
        player++;
        break;
      }
  
      case SYSTEM_MOUSE:
      {
        input.dev[0] = DEVICE_MOUSE;
        player++;
        break;
      }
  
      case SYSTEM_ACTIVATOR:
      {
        input.dev[0] = DEVICE_ACTIVATOR;
        player++;
        break;
      }
  
      case SYSTEM_XE_1AP:
      {
        input.dev[0] = DEVICE_XE_1AP;
        player++;
        break;
      }
  
      case SYSTEM_WAYPLAY:
      {
        for (i=0; i< 4; i++)
        {
          if (player < MAX_INPUTS)
          {
            /* only allow 3-buttons or 6-buttons control pad */
            if (config.input[player].padtype != (DEVICE_PAD2B | DEVICE_PAD3B | DEVICE_PAD6B))
            {
              input.dev[i] = config.input[player].padtype & DEVICE_PAD6B;
            }
            else
            {
              input.dev[i] = padtype & DEVICE_PAD6B;
            }
            player++;
          }
        }
        break;
      }
  
      case SYSTEM_TEAMPLAYER:
      {
        for (i=0; i<4; i++)
        {
          if (player < MAX_INPUTS)
          {
            /* only allow 3-buttons or 6-buttons control pad */
            if (config.input[player].padtype != (DEVICE_PAD2B | DEVICE_PAD3B | DEVICE_PAD6B))
            {
              input.dev[i] = config.input[player].padtype & DEVICE_PAD6B;
            }
            else
            {
              input.dev[i] = padtype & DEVICE_PAD6B;
            }
            player++;
          }
        }
        teamplayer_init(0);
        break;
      }
  
      case SYSTEM_MASTERTAP:
      {
        for (i=0; i<4; i++)
        {
          if (player < MAX_INPUTS)
          {
            input.dev[i] = DEVICE_PAD2B;
            player++;
          }
        }
        break;
      }
  
      case SYSTEM_LIGHTPHASER:
      {
        input.dev[0] = DEVICE_LIGHTGUN;
        player++;
        break;
      }
  
      case SYSTEM_PADDLE:
      {
        input.dev[0] = DEVICE_PADDLE;
        player++;
        break;
      }
  
      case SYSTEM_SPORTSPAD:
      {
        input.dev[0] = DEVICE_SPORTSPAD;
        player++;
        break;
      }
  
      case SYSTEM_GRAPHIC_BOARD:
      {
        input.dev[0] = DEVICE_GRAPHIC_BOARD;
        player++;
        break;
      }
    }
  
    if (player == MAX_INPUTS)
    {
      return;
    }
  
    switch (input.system[1])
    {
      case SYSTEM_GAMEPAD:
      {
        if (config.input[player].padtype != (DEVICE_PAD2B | DEVICE_PAD3B | DEVICE_PAD6B))
        {
          input.dev[4] = config.input[player].padtype;
        }
        else
        {
          input.dev[4] = padtype;
        }
        player++;
        break;
      }
  
      case SYSTEM_MOUSE:
      {
        input.dev[4] = DEVICE_MOUSE;
        player++;
        break;
      }
  
      case SYSTEM_ACTIVATOR:
      {
        input.dev[4] = DEVICE_ACTIVATOR;
        player++;
        break;
      }
  
      case SYSTEM_XE_1AP:
      {
        input.dev[4] = DEVICE_XE_1AP;
        player++;
        break;
      }
  
      case SYSTEM_MENACER:
      {
        input.dev[4] = DEVICE_LIGHTGUN;
        player++;
        break;
      }
  
      case SYSTEM_JUSTIFIER:
      {
        for (i=4; i<6; i++)
        {
          if (player < MAX_INPUTS)
          {
            input.dev[i] = DEVICE_LIGHTGUN;
            player++;
          }
        }
        break;
      }
  
      case SYSTEM_TEAMPLAYER:
      {
        for (i=4; i<8; i++)
        {
          if (player < MAX_INPUTS)
          {
            /* only allow 3-buttons or 6-buttons control pad */
            if (config.input[player].padtype != (DEVICE_PAD2B | DEVICE_PAD3B | DEVICE_PAD6B))
            {
              input.dev[i] = config.input[player].padtype & DEVICE_PAD6B;
            }
            else
            {
              input.dev[i] = padtype & DEVICE_PAD6B;
            }
            player++;
          }
        }
        teamplayer_init(1);
        break;
      }
  
      case SYSTEM_MASTERTAP:
      {
        for (i=4; i<8; i++)
        {
          if (player < MAX_INPUTS)
          {
            input.dev[i] = DEVICE_PAD2B;
            player++;
          }
        }
        break;
      }
  
      case SYSTEM_LIGHTPHASER:
      {
        input.dev[4] = DEVICE_LIGHTGUN;
        player++;
        break;
      }
  
      case SYSTEM_PADDLE:
      {
        input.dev[4] = DEVICE_PADDLE;
        player++;
        break;
      }
  
      case SYSTEM_SPORTSPAD:
      {
        input.dev[4] = DEVICE_SPORTSPAD;
        player++;
        break;
      }
  
      case SYSTEM_GRAPHIC_BOARD:
      {
        input.dev[4] = DEVICE_GRAPHIC_BOARD;
        player++;
        break;
      }
    }
  
    /* J-CART */
    if (cart.special & HW_J_CART)
    {
      /* two additional gamepads */
      for (i=5; i<7; i++)
      {
        if (player < MAX_INPUTS)
        {
          /* only allow 3-buttons or 6-buttons control pad */
          if (config.input[player].padtype != (DEVICE_PAD2B | DEVICE_PAD3B | DEVICE_PAD6B))
          {
            input.dev[i] = config.input[player].padtype & DEVICE_PAD6B;
          }
          else
          {
            input.dev[i] = padtype & DEVICE_PAD6B;
          }
          player ++;
        }
      }
    }
  }
  
  void input_reset(void)
  {
    /* Reset input devices */
    int i;
    for (i=0; i<MAX_DEVICES; i++)
    {
      switch (input.dev[i])
      {
        case DEVICE_PAD2B:
        case DEVICE_PAD3B:
        case DEVICE_PAD6B:
        {
          gamepad_reset(i);
          break;
        }
  
        case DEVICE_LIGHTGUN:
        {
          lightgun_reset(i);
          break;
        }
  
        case DEVICE_MOUSE:
        {
          mouse_reset(i);
          break;
        }
  
        case DEVICE_ACTIVATOR:
        {
          activator_reset(i >> 2);
          break;
        }
  
        case DEVICE_XE_1AP:
        {
          xe_1ap_reset(i);
          break;
        }
  
        case DEVICE_PADDLE:
        {
          paddle_reset(i);
          break;
        }
  
        case DEVICE_SPORTSPAD:
        {
          sportspad_reset(i);
          break;
        }
  
        case DEVICE_TEREBI:
        {
          terebi_oekaki_reset();
          break;
        }
  
        case DEVICE_GRAPHIC_BOARD:
        {
          graphic_board_reset(i);
          break;
        }
  
        default:
        {
          break;
        }
      }
    }
  
    /* Team Player */
    for (i=0; i<2; i++)
    {
      if (input.system[i] == SYSTEM_TEAMPLAYER)
      {
        teamplayer_reset(i);
      }
    }
  }
  
  void input_refresh(void)
  {
    int i;
    for (i=0; i<MAX_DEVICES; i++)
    {
      switch (input.dev[i])
      {
        case DEVICE_PAD6B:
        {
          gamepad_refresh(i);
          break;
        }
  
        case DEVICE_LIGHTGUN:
        {
          lightgun_refresh(i);
          break;
        }
      }
    }
  }
  