/*
 *  File:       mutation.cc
 *  Summary:    Functions for handling player mutations.
 *  Written by: Linley Henzell
 *
 *  Modified for Crawl Reference by $Author$ on $Date$
 *
 *  Change History (most recent first):
 *
 *               <1>     -/--/--        LRH             Created
 */


#ifndef MUTATION_H
#define MUTATION_H

// for formatted_string
class formatted_string;

struct mutation_def
{
    mutation_type mutation;
    short         rarity;    // Rarity of the mutation.
    short         levels;    // The number of levels of the mutation.
    bool          bad;       // A mutation that's more bad than good. Xom uses
                             // this to decide which mutations to hand out as
                             // rewards.
    bool          physical;  // A mutation affecting a character's outward
                             // appearance.
};

void fixup_mutations();

// last updated 12may2000 {dlb}
/* ***********************************************************************
 * called from: acr - decks - effects - fight - food - it_use2 - items -
 *              mutation - religion - spell - spells
 * *********************************************************************** */
bool mutate(mutation_type which_mutation, bool failMsg = true,
            bool force_mutation = false, bool god_gift = false,
            bool demonspawn = false);

// last updated 12may2000 {dlb}
/* ***********************************************************************
 * called from: acr
 * *********************************************************************** */
void display_mutations();

bool mutation_is_fully_active(mutation_type mut);

formatted_string describe_mutations();


// last updated 12may2000 {dlb}
/* ***********************************************************************
 * called from: decks - it_use2 - mutation - spells
 * *********************************************************************** */
bool delete_mutation(mutation_type which_mutation, bool failMsg = true,
                     bool force_mutation = false);

// last updated 12may2000 {dlb}
/* ***********************************************************************
 * called from: chardump
 * *********************************************************************** */
// default of level == -1, means to use the player's current level
const char *mutation_name(mutation_type which_mutat, int level = -1);

// last updated 12may2000 {dlb}
/* ***********************************************************************
 * called from: items - spells
 * *********************************************************************** */
bool give_bad_mutation(bool failMsg = true, bool force_mutation = false);

// last updated 12may2000 {dlb}
/* ***********************************************************************
 * called from: player
 * *********************************************************************** */
void demonspawn();

bool perma_mutate(mutation_type which_mut, int how_much);
int how_mutated(bool all = false, bool levels = false);

#ifdef DEBUG_DIAGNOSTICS
void sanity_check_mutation_defs();
#endif

#endif