/*
 * input.c
 * Copyright (C) 1998 Brainchild Design - http://brainchilddesign.com/
 *
 * Copyright (C) 2001 Chuck Mason <cemason@users.sourceforge.net>
 *
 * Copyright (C) 2002 Florian Schulze <crow@icculus.org>
 *
 * This file is part of Jump 'n Bump.
 *
 * Jump 'n Bump 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.
 *
 * Jump 'n Bump 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 Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include "globals.h"

static int num_joys = 0;
static SDL_Joystick *joys[4];

/* assumes joysticks have at least one button, could check numbuttons first? */
#define JOY_LEFT(num)  (num_joys > num && SDL_JoystickGetAxis(joys[num], 0) < -3200)
#define JOY_RIGHT(num) (num_joys > num && SDL_JoystickGetAxis(joys[num], 0) > 3200)
/* I find using the vertical axis to be annoying -- dnb */
#define JOY_JUMP(num) (num_joys > num && SDL_JoystickGetButton(joys[num], 0))

int calib_joy(int type)
{
	return 1;
}

void update_player_actions(void)
{
	int tmp;

	if (client_player_num < 0) {
		tmp = (key_pressed(KEY_PL1_LEFT) == 1) || JOY_LEFT(3);
		if (tmp != player[0].action_left)
			tellServerPlayerMoved(0, MOVEMENT_LEFT, tmp);
		tmp = (key_pressed(KEY_PL1_RIGHT) == 1) || JOY_RIGHT(3);
		if (tmp != player[0].action_right)
			tellServerPlayerMoved(0, MOVEMENT_RIGHT, tmp);
		tmp = (key_pressed(KEY_PL1_JUMP) == 1) || JOY_JUMP(3);
		if (tmp != player[0].action_up)
			tellServerPlayerMoved(0, MOVEMENT_UP, tmp);

		tmp = (key_pressed(KEY_PL2_LEFT) == 1) || JOY_LEFT(2);
		if (tmp != player[1].action_left)
			tellServerPlayerMoved(1, MOVEMENT_LEFT, tmp);
		tmp = (key_pressed(KEY_PL2_RIGHT) == 1) || JOY_RIGHT(2);
		if (tmp != player[1].action_right)
			tellServerPlayerMoved(1, MOVEMENT_RIGHT, tmp);
		tmp = (key_pressed(KEY_PL2_JUMP) == 1) || JOY_JUMP(2);
		if (tmp != player[1].action_up)
			tellServerPlayerMoved(1, MOVEMENT_UP, tmp);

		tmp = (key_pressed(KEY_PL3_LEFT) == 1) || JOY_LEFT(1);
		if (tmp != player[2].action_left)
			tellServerPlayerMoved(2, MOVEMENT_LEFT, tmp);
		tmp = (key_pressed(KEY_PL3_RIGHT) == 1) || JOY_RIGHT(1);
		if (tmp != player[2].action_right)
			tellServerPlayerMoved(2, MOVEMENT_RIGHT, tmp);
		tmp = (key_pressed(KEY_PL3_JUMP) == 1) || JOY_JUMP(1);
		if (tmp != player[2].action_up)
			tellServerPlayerMoved(2, MOVEMENT_UP, tmp);

		tmp = (key_pressed(KEY_PL4_LEFT) == 1) || JOY_LEFT(0);
		if (tmp != player[3].action_left)
			tellServerPlayerMoved(3, MOVEMENT_LEFT, tmp);
		tmp = (key_pressed(KEY_PL4_RIGHT) == 1) || JOY_RIGHT(0);
		if (tmp != player[3].action_right)
			tellServerPlayerMoved(3, MOVEMENT_RIGHT, tmp);
		tmp = (key_pressed(KEY_PL4_JUMP) == 1) || JOY_JUMP(0);
		if (tmp != player[3].action_up)
			tellServerPlayerMoved(3, MOVEMENT_UP, tmp);
	} else {
		tmp = (key_pressed(KEY_PL1_LEFT) == 1) || JOY_LEFT(0);
		if (tmp != player[client_player_num].action_left)
			tellServerPlayerMoved(client_player_num, MOVEMENT_LEFT, tmp);
		tmp = (key_pressed(KEY_PL1_RIGHT) == 1) || JOY_RIGHT(0);
		if (tmp != player[client_player_num].action_right)
			tellServerPlayerMoved(client_player_num, MOVEMENT_RIGHT, tmp);
		tmp = (key_pressed(KEY_PL1_JUMP) == 1) || JOY_JUMP(0);
		if (tmp != player[client_player_num].action_up)
			tellServerPlayerMoved(client_player_num, MOVEMENT_UP, tmp);
	}
}

void init_inputs(void)
{
	int i;

	num_joys = SDL_NumJoysticks();
	for (i = 0; i < 4 && i < num_joys; ++i)
		joys[i] = SDL_JoystickOpen(i);

	main_info.mouse_enabled = 0;
	main_info.joy_enabled = 0;
}
