spellbook.h

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/*
Copyright (C) 2000 The Exult 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef INCL_SPELLBOOK
#define INCL_SPELLBOOK  1

#include "iregobjs.h"

const int NREAGENTS = 11;   // Total # reagents.

/*
 *  A spellbook:
 */
class Spellbook_object : public Ireg_game_object
  {
          // Reagents needed for each spell:
  static unsigned short bg_reagents[9*8], si_reagents[9*8];
  unsigned short *reagents; // ->appropriate table.
  unsigned char circles[9]; // Spell-present flags for each circle.
  int bookmark;     // Spell # that bookmark is on, or -1.
public:
  friend class Bookmark_button;
  friend class Spellbook_gump;
          // Create from ireg. data.
  Spellbook_object(int shapenum, int framenum, unsigned int shapex,
    unsigned int shapey, unsigned int lft, unsigned char *c,
    unsigned char bmark);
  int add_spell(int spell); // Add a spell.
  bool has_ring(Actor *act);  // Has ring-o-reagents?
          // Can we do this spell?
  bool can_do_spell(Actor *act, int spell);
  bool can_do_spell(Actor *act) // Can we do bookmarked spell?
    { return bookmark >= 0 ? can_do_spell(act, bookmark) : false; }
          // Do the spell.
  bool do_spell(Actor *act, int spell, bool can_do = false,
            bool in_combat = false);
          // Do bookmarked spell.
  bool do_spell(Actor *act, bool in_combat = false)
    { return bookmark >= 0 ?
      do_spell(act, bookmark, false, in_combat) : false; }
  static void execute_spell(Actor *act, int spell, 
            bool in_combat = false);
          // Run usecode function.
  virtual void activate(int event = 1);
          // Write out to IREG file.
  virtual void write_ireg(DataSource* out);
        // Get size of IREG. 
        // Returns -1 if can't write to buffer
  virtual int get_ireg_size();
  };

#endif

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