mapdata.h

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/* $Id: mapdata.h 6673 2007-06-18 18:24:11Z ryo_saeba $ */
/*
    Crossfire client, a client program for the crossfire program.

    Copyright (C) 2005 Mark Wedel & Crossfire Development Team

    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 via e-mail to crossfire-devel@real-time.com
*/

#ifndef MAP_H
#define MAP_H

#include "client-types.h"


#define MAXLAYERS 10

#define MAX_VIEW 64

/* Map1 only used 3 layers.  Trying to use 10 seems to cause
 * problems for that code.
 */
#define MAP1_LAYERS 3

struct MapCellLayer {
    sint16 face;
    sint8 size_x;
    sint8 size_y;

    /* Link into animation information.
     * animation is provided to us from the server in the map2 command.
     * animation_speed is also provided.
     * animation_left is how many ticks until animation changes - generated
     *  by client.
     * animation_phase is current phase.
     */
    sint16  animation;
    uint8   animation_speed;
    uint8   animation_left;
    uint8   animation_phase;
};

struct MapCell
{
    struct MapCellLayer heads[MAXLAYERS];
    struct MapCellLayer tails[MAXLAYERS];
    uint16 smooth[MAXLAYERS];
    uint8 darkness;         /* darkness: 0=fully illuminated, 255=pitch blank */
    uint8 need_update:1;    /* set if tile should be redrawn */
    uint8 have_darkness:1;  /* set if darkness information was set */
    uint8 need_resmooth:1;  /* same has need update but for smoothing only */
    uint8 cleared:1;        /* If set, this is a fog cell. */
};

struct Map
{
    /* Store size of map so we know if map_size has changed
     * since the last time we allocated this;
     */
    int x;
    int y;

    struct MapCell **cells;
};


extern struct Map the_map;


void mapdata_init(void);

void mapdata_reset(void);

void mapdata_set_size(int viewx, int viewy);

void mapdata_scroll(int dx, int dy);

void mapdata_newmap(void);

int mapdata_is_inside(int x, int y);

sint16 mapdata_face(int x, int y, int layer);

sint16 mapdata_bigface(int x, int y, int layer, int *ww, int *hh);

#endif