events/move.c

Go to the documentation of this file.

/************************************************************************
*            Atrinik, a Multiplayer Online Role Playing Game            *
*                                                                       *
*    Copyright (C) 2009-2011 Alex Tokar and Atrinik Development Team    *
*                                                                       *
* Fork from Daimonin (Massive Multiplayer Online Role Playing Game)     *
* and Crossfire (Multiplayer game for X-windows).                       *
*                                                                       *
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.             *
*                                                                       *
* The author can be reached at admin@atrinik.org                        *
************************************************************************/

#include <global.h>

#define DIRECTIONS_NUM 9

static const char *const directions_move[DIRECTIONS_NUM] =
{
    "/sw", "/s", "/se", "/w", "/stay", "/e", "/nw", "/n", "/ne"
};

static const char *const directions_run[DIRECTIONS_NUM] =
{
    "/run 6", "/run 5", "/run 4", "/run 7", "/run 9", "/run 3", "/run 8", "/run 1", "/run 2"
};

static const int directions_fire[DIRECTIONS_NUM] =
{
    6, 5, 4, 7, 0, 3, 8, 1, 2
};

void move_keys(int num)
{
    /* Runmode on, or ALT key trigger */
    if ((cpl.runkey_on || cpl.run_on) && (!cpl.firekey_on && !cpl.fire_on))
    {
        send_command(directions_run[num - 1]);
    }
    else if (cpl.firekey_on || cpl.fire_on)
    {
        SockList sl;
        char buf[MAX_BUF];

        sl.buf = (unsigned char *) buf;
        strcpy((char *) sl.buf, "fire ");
        sl.len = 5;
        SockList_AddChar(&sl, directions_fire[num - 1]);
        SockList_AddChar(&sl, RangeFireMode);

        if (RangeFireMode == FIRE_MODE_SKILL)
        {
            if (!fire_mode_tab[FIRE_MODE_SKILL].skill)
            {
                draw_info(COLOR_WHITE, "No skill selected.");
                return;
            }

            SockList_AddString(&sl, fire_mode_tab[RangeFireMode].skill->name);
        }
        else if (RangeFireMode == FIRE_MODE_SPELL)
        {
            if (!fire_mode_tab[FIRE_MODE_SPELL].spell)
            {
                draw_info(COLOR_WHITE, "No spell selected.");
                return;
            }

            SockList_AddString(&sl, fire_mode_tab[RangeFireMode].spell->name);
        }
        else if (RangeFireMode == FIRE_MODE_BOW)
        {
            if (fire_mode_tab[FIRE_MODE_BOW].item == FIRE_ITEM_NO)
            {
                draw_info(COLOR_WHITE, "No range weapon selected.");
                return;
            }
            else if (fire_mode_tab[FIRE_MODE_BOW].amun == FIRE_ITEM_NO)
            {
                draw_info(COLOR_WHITE, "No ammunition selected.");
                return;
            }
        }
        else if (RangeFireMode == FIRE_MODE_THROW)
        {
            if (fire_mode_tab[FIRE_MODE_THROW].item == FIRE_ITEM_NO)
            {
                draw_info(COLOR_WHITE, "No item selected.");
                return;
            }
        }
        else if (RangeFireMode == FIRE_MODE_WAND)
        {
            if (fire_mode_tab[FIRE_MODE_WAND].item == FIRE_ITEM_NO)
            {
                draw_info(COLOR_WHITE, "No device selected.");
                return;
            }
        }

        send_socklist(sl);
    }
    else
    {
        if (num == 5)
        {
            cs_write_string("clr", 3);
        }
        else
        {
            send_command(directions_move[num - 1]);
        }
    }
}

int dir_from_tile_coords(int tx, int ty)
{
    int player_tile_x = setting_get_int(OPT_CAT_MAP, OPT_MAP_WIDTH) / 2, player_tile_y = setting_get_int(OPT_CAT_MAP, OPT_MAP_HEIGHT) / 2;
    int q, x, y;

    if (tx == player_tile_x && ty == player_tile_y)
    {
        return 5;
    }

    x = -(tx - player_tile_x);
    y = -(ty - player_tile_y);

    if (!y)
    {
        q = -300 * x;
    }
    else
    {
        q = x * 100 / y;
    }

    if (y > 0)
    {
        /* East */
        if (q < -242)
        {
            return 6;
        }

        /* Northeast */
        if (q < -41)
        {
            return 9;
        }

        /* North */
        if (q < 41)
        {
            return 8;
        }

        /* Northwest */
        if (q < 242)
        {
            return 7;
        }

        /* West */
        return 4;
    }

    /* West */
    if (q < -242)
    {
        return 4;
    }

    /* Southwest */
    if (q < -41)
    {
        return 1;
    }

    /* South */
    if (q < 41)
    {
        return 2;
    }

    /* Southeast */
    if (q < 242)
    {
        return 3;
    }

    /* East */
    return 6;
}