//
// nazghul - an old-school RPG engine
// Copyright (C) 2002, 2003 Gordon McNutt
//
// 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 Foundation, Inc., 59 Temple Place,
// Suite 330, Boston, MA 02111-1307 USA
//
// Gordon McNutt
// gmcnutt@users.sourceforge.net
//
#ifndef terrain_map_h
#define terrain_map_h

#include "macros.h"

BEGIN_DECL

#include <stdio.h>

#include "list.h"

extern char *TERRAIN_MAP_MAGIC;

struct terrain_map {
        char *magic;
        /*struct list list;*/
        char *tag;
        int w;
        int h;
        struct terrain_palette * palette;
        struct terrain **terrain;

        void *handle;  /* pointer to session handle */
        int saved;     /* 1 iff already saved       */
        int refcount;

        /* added to support composite maps */
        int submap_w;        /* submap width      */
        int submap_h;        /* submap height     */
        char composite : 1;  /* save as composite */
};

#define is_terrain_map(ptr) (((struct terrain_map*)(ptr))->magic == TERRAIN_MAP_MAGIC)
        
extern struct terrain_map *terrain_map_new(char *tag, 
                                           unsigned int w, 
                                           unsigned int h,
                                           struct terrain_palette * pal);
#define terrain_map_ref(map) ((map)->refcount++)
extern void terrain_map_unref(struct terrain_map *map);
extern struct terrain_map *terrain_map_clone(struct terrain_map *orig, 
                                             char *tag);
extern void terrain_map_rotate(struct terrain_map *map, int degree);
extern void terrain_map_blit(struct terrain_map *dest, int dest_x,
                             int dest_y, struct terrain_map *src,
                             int src_x, int src_y, int w, int h);
extern void terrain_map_fill(struct terrain_map *map, int x, int y, 
                             int w, int h, struct terrain *fill);
extern void terrain_map_print(FILE * fp, int indent,
                              struct terrain_map *map);
extern void print_horizontal_guideline (FILE * fp, int indent, 
                                        struct terrain_map *map);

extern void terrain_map_save(struct save *, void *val);
extern void terrain_map_blend(struct terrain_map *map, 
                              struct terrain *inf,
                              int n_nonsup,
                              struct terrain **nonsup,
                              struct terrain *range[16]);


END_DECL

#endif