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/* |
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* static char *rcsid_quest_c = |
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* "$Id: quest.c,v 1.5 2005/10/13 07:22:43 mwedel Exp $"; |
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*/ |
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|
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/* |
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CrossFire, A Multiplayer game for X-windows |
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|
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Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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Copyright (C) 1992 Frank Tore Johansen |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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|
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The authors can be reached via e-mail at crossfire-devel@real-time.com |
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*/ |
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|
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/* |
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This file handles quest-related functions. |
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Quests are stored in specific items of type QUEST. |
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*/ |
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|
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#include <global.h> |
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#include <commands.h> |
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#ifndef __CEXTRACT__ |
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#include <sproto.h> |
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#endif |
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#include <ctype.h> |
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#include "quest.h" |
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|
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#define QUEST_NAME( op ) op->name_pl |
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#define TASK_NAME( op ) op->custom_name |
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|
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#if 0 |
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int quest_is_same_quest( const char* slaying1, const char* slaying2 ) |
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{ |
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char *start1, *start2, *end1, *end2; |
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|
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/* Sanity check */ |
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if ( !slaying1 ) |
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{ |
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LOG( llevError, "quest_is_same_quest: slaying1 invalid.\n" ); |
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return 0; |
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} |
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if ( !slaying2 ) |
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{ |
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LOG( llevError, "quest_is_same_quest: slaying2 invalid.\n" ); |
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return 0; |
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} |
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|
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start1 = strchr( slaying1, ' ' ); |
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start2 = strchr( slaying2, ' ' ); |
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end1 = strrchr( slaying1, ' ' ); |
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end2 = strrchr( slaying2, ' ' ); |
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if ( end1 - start1 != end2 - start2 ) |
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return 0; |
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if ( strncmp( start1, start2, end1 - start1 ) ) |
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return 0; |
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return 1; |
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} |
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#endif |
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|
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int quest_is_quest_marker( object* marker, int task ) |
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{ |
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if ( marker->type != QUEST ) |
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return 0; |
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if ( task && !TASK_NAME(marker) ) |
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return 0; |
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if ( !task && TASK_NAME(marker) ) |
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return 0; |
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return 1; |
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} |
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|
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int quest_is_in_progress( object* marker, int task ) |
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{ |
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if ( marker->subtype != QUEST_IN_PROGRESS ) |
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return 0; |
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return 1; |
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} |
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|
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int quest_is_completed( object* marker, int task ) |
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{ |
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if ( marker->type != QUEST ) |
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return 0; |
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if ( task && ( !marker->subtype != QUEST_DONE_TASK ) ) |
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return 0; |
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if ( !task && ( marker->subtype != QUEST_DONE_QUEST ) ) |
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return 0; |
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return 1; |
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} |
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|
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#if 0 |
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static int quest_has_start( object* marker, object* pl ) |
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{ |
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const char* start; |
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const char* end; |
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object* item; |
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start = marker->slaying + strlen( QUEST_START ); |
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end = strrchr( start, ' ' ); |
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if ( !end ) |
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{ |
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LOG( llevError, "quest_has_start: invalid marker slaying %s\n", marker->slaying ); |
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return 0; |
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} |
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|
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for ( item = pl->inv; item; item = item->below ) |
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{ |
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if ( item->type == FORCE |
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&& item->slaying |
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&& ( quest_is_quest_marker( item ) ) |
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&& ( quest_is_same_quest( marker->slaying, item->slaying ) ) |
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&& ( quest_is_start( item->slaying ) ) ) |
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return 1; |
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} |
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|
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return 0; |
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} |
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|
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static int quest_has_end( object* marker, object* pl ) |
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{ |
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const char* start; |
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const char* end; |
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object* item; |
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start = marker->slaying + strlen( QUEST_START ); |
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end = strrchr( start, ' ' ); |
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if ( !end ) |
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{ |
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LOG( llevError, "quest_has_end: invalid marker slaying %s\n", marker->slaying ); |
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return 0; |
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} |
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|
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for ( item = pl->inv; item; item = item->below ) |
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{ |
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if ( item->type == FORCE |
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&& item->slaying |
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&& ( quest_is_quest_marker( item ) ) |
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&& ( quest_is_same_quest( marker->slaying, item->slaying ) ) |
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&& ( quest_is_end( item->slaying ) ) ) |
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return 1; |
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} |
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|
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return 0; |
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} |
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|
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/** |
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* Checks if the marker is a quest one, and if so if compatible with the player's current quests. |
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**/ |
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int quest_marker_compatible( object* marker, object* pl ) |
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{ |
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if ( !quest_is_quest_marker( marker ) ) |
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return 1; |
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|
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if ( quest_is_start( marker->slaying ) ) |
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{ |
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if ( quest_has_end( marker, pl ) ) |
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/* Can't restart a quest */ |
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return 0; |
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if ( quest_has_start( marker, pl ) ) |
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/* Can't restart a quest already started */ |
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return 0; |
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return 1; |
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} |
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else if ( quest_is_end( marker->slaying ) ) |
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{ |
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if ( !quest_has_start( marker, pl ) ) |
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return 0; |
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if ( quest_has_end( marker, pl ) ) |
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return 0; |
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return 1; |
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} |
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|
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/* Neither a start or end, seek a start */ |
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if ( quest_has_start( marker, pl ) ) |
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return 1; |
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|
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/* No start, or an end => can't */ |
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return 0; |
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} |
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|
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/** |
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* Clears other quest markers if required. |
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**/ |
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void quest_clear_markers( object* marker, object* pl ) |
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{ |
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object *item; |
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object *next; |
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if ( !quest_is_end( marker->slaying ) ) |
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return; |
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|
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next = NULL; |
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for ( item = pl->inv; item; item = next ) |
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{ |
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next = item->below; |
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if ( quest_is_quest_marker( item ) && quest_is_same_quest( marker->slaying, item->slaying ) ) |
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remove_ob( item ); |
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} |
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} |
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|
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/** |
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* Checks message against quest marker. Returns: |
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* * message if message not linked to quest |
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* * NULL if message linked to quest and player isn't at right step. |
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* * first char of real message, line after the 'quest xxx xxx' line. |
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**/ |
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const char* quest_message_check( const char* message, object* pl ) |
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{ |
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const char *end1, *end2, *nl; |
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char buf[ MAX_BUF ]; |
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object *item; |
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if ( !message || strncmp( message, QUEST_MARKER, strlen( QUEST_MARKER ) ) ) |
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return message; |
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|
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if ( nl = strchr( message, '\n' ) ) |
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{ |
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strncpy( buf, message, MIN( nl - message, MAX_BUF ) ); |
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buf[ MIN( nl - message, MAX_BUF ) ] = '\0'; |
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nl++; |
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} |
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else |
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{ |
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strncpy( buf, message, MAX_BUF ); |
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buf[ strlen( message ) ] = '\0'; |
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nl = ""; |
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} |
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|
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for ( item = pl->inv; item; item = item->below ) |
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{ |
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if ( quest_is_quest_marker( item ) |
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&& quest_is_same_quest( item->slaying, buf ) ) |
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{ |
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end1 = strrchr( item->slaying, ' ' ); |
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end2 = strrchr( buf, ' ' ); |
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if ( !strcmp( end1, end2 ) ) |
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return nl; |
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} |
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} |
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return NULL; |
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} |
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#endif |
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|
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const char* quest_get_name( object* marker ) |
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{ |
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if ( marker->type != QUEST ) |
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return NULL; |
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if ( TASK_NAME(marker) ) |
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return TASK_NAME(marker); |
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return QUEST_NAME(marker); |
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} |
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|
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object* quest_get_player_quest( object* pl, const char* name, const char* name_pl ) |
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{ |
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object* quest; |
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for ( quest = pl->inv; quest; quest = quest->below ) |
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if ( quest->type == QUEST && |
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QUEST_NAME(quest) == name && TASK_NAME(quest) == name_pl ) |
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return quest; |
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|
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return NULL; |
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} |
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|
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object* quest_get_override( object* ob, object* pl ) |
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{ |
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object *in_ob, *in_pl; |
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if ( !ob->inv ) |
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return NULL; |
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for ( in_ob = ob->inv; in_ob; in_ob = in_ob->below ) |
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{ |
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if ( in_ob->type == QUEST && in_ob->subtype == QUEST_OVERRIDE ) |
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{ |
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in_pl = quest_get_player_quest( pl, QUEST_NAME(in_ob), TASK_NAME(in_ob) ); |
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if ( in_pl ) |
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return in_ob; |
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} |
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} |
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return NULL; |
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} |
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|
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const char* quest_get_override_slaying( object* ob, object* pl ) |
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{ |
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object* quest; |
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quest = quest_get_override( ob, pl ); |
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if ( quest ) |
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return quest->slaying; |
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return ob->slaying; |
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} |
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|
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const char* quest_get_override_msg( object* ob, object* pl ) |
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{ |
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object* quest; |
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quest = quest_get_override( ob, pl ); |
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if ( quest ) |
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return quest->msg; |
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return ob->msg; |
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} |
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/* |
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static int quest_objects_match( object* first, object* second ) |
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{ |
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if ( !first || !second ) |
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return 0; |
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if ( first->name != second->name ) |
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return 0; |
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if ( first->name_pl && first->name_pl != second->name_pl ) |
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return 0; |
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return 1; |
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} |
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*/ |
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static void quest_remove_marker(object* item, const char* name, const char* name_pl, int type) |
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{ |
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object* test; |
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for ( test = item->inv; test; test = test->below ) |
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{ |
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if ( ( test->type == QUEST ) && ( test->subtype == type ) && ( QUEST_NAME(test) == name ) && ( !name_pl || TASK_NAME(test) == name_pl ) ) |
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{ |
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remove_ob(test); |
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return; |
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} |
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} |
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} |
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|
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void quest_apply_items( object* wrapper, player* pl ) |
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{ |
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object* item; |
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object* qm; |
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for ( item = wrapper->inv; item; item = item->below ) |
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{ |
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if ( item->type == QUEST ) |
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{ |
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switch ( item->subtype ) |
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{ |
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case QUEST_START_QUEST: |
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if ( quest_get_player_quest( pl->ob, QUEST_NAME(item), NULL ) ) |
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return; |
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qm = get_archetype("quest_in_progress"); |
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FREE_AND_COPY(QUEST_NAME(qm), QUEST_NAME(item)); |
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if ( item->lore ) |
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{ |
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FREE_AND_COPY(qm->lore, item->lore); |
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new_draw_info(NDI_UNIQUE, 0, pl->ob, item->lore); |
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} |
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insert_ob_in_ob(qm, pl->ob); |
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break; |
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case QUEST_END_QUEST: |
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if ( !quest_get_player_quest( pl->ob, QUEST_NAME(item), NULL ) ) |
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return; |
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qm = get_archetype("quest_done_quest"); |
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FREE_AND_COPY(QUEST_NAME(qm), QUEST_NAME(item)); |
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if ( item->lore ) |
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{ |
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FREE_AND_COPY(qm->lore, item->lore); |
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new_draw_info(NDI_UNIQUE, 0, pl->ob, item->lore); |
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} |
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quest_remove_marker(pl->ob, QUEST_NAME(item), NULL, QUEST_IN_PROGRESS); |
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insert_ob_in_ob(qm, pl->ob); |
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break; |
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case QUEST_START_TASK: |
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if ( quest_get_player_quest( pl->ob, QUEST_NAME(item), TASK_NAME(item) ) ) |
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return; |
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qm = get_archetype("quest_in_progress"); |
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FREE_AND_COPY(QUEST_NAME(qm), QUEST_NAME(item)); |
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FREE_AND_COPY(TASK_NAME(qm), TASK_NAME(item)); |
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if ( item->lore ) |
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{ |
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FREE_AND_COPY(qm->lore, item->lore); |
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new_draw_info(NDI_UNIQUE, 0, pl->ob, item->lore); |
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} |
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insert_ob_in_ob(qm, pl->ob); |
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break; |
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case QUEST_END_TASK: |
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if ( !quest_get_player_quest( pl->ob, QUEST_NAME(item), TASK_NAME(item) ) ) |
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return; |
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qm = get_archetype("quest_done_task"); |
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FREE_AND_COPY(QUEST_NAME(qm), QUEST_NAME(item)); |
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FREE_AND_COPY(TASK_NAME(qm), TASK_NAME(item)); |
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if ( item->lore ) |
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{ |
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FREE_AND_COPY(qm->lore, item->lore); |
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new_draw_info(NDI_UNIQUE, 0, pl->ob, item->lore); |
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} |
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quest_remove_marker(pl->ob, QUEST_NAME(item), TASK_NAME(item), QUEST_IN_PROGRESS); |
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insert_ob_in_ob(qm, pl->ob); |
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break; |
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} |
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} |
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} |
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} |
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|
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/** |
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* Returns 0 if no matching quest, 1 if anything matched. |
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**/ |
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int quest_on_activate( object* ob, player*pl ) |
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{ |
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object* in_item; |
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|
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for ( in_item = ob->inv; in_item; in_item = in_item->below ) |
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{ |
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if ( ( in_item->type == QUEST ) && ( in_item->subtype == QUEST_ON_ACTIVATE ) ) |
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{ |
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quest_apply_items( in_item, pl ); |
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return 1; |
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} |
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} |
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return 0; |
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} |
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|
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/** |
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* NS :not started |
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* S :started |
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* D :done |
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* SD :started or done |
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* Q :quest |
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* T :task |
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**/ |
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#define QCT_QNS 1 |
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#define QCT_QS 2 |
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#define QCT_QS_TNS 3 |
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#define QCT_QS_TS 4 |
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#define QCT_QS_TD 5 |
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#define QCT_QS_TSD 6 |
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#define QCT_QSD 7 |
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#define QCT_QD 8 |
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|
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int quest_is_override_compatible(object *marker, object* pl) |
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{ |
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object* test; |
436 |
if ( marker->type != QUEST || marker->subtype != QUEST_OVERRIDE ) |
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return 0; |
438 |
switch ( marker->stats.hp ) |
439 |
{ |
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case QCT_QNS: |
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if ( quest_get_player_quest( pl, QUEST_NAME(marker), NULL ) == NULL ) |
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return 1; |
443 |
return 0; |
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case QCT_QS: |
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test = quest_get_player_quest( pl, QUEST_NAME(marker), NULL ); |
446 |
if ( !test ) |
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return 0; |
448 |
if ( quest_is_completed( test, 0 ) ) |
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return 0; |
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return 1; |
451 |
case QCT_QS_TNS: |
452 |
test = quest_get_player_quest( pl, QUEST_NAME(marker), TASK_NAME(marker) ); |
453 |
if ( !test ) |
454 |
if ( quest_get_player_quest( pl, QUEST_NAME(marker), NULL ) ) |
455 |
return 1; |
456 |
return 0; |
457 |
case QCT_QS_TS: |
458 |
test = quest_get_player_quest( pl, QUEST_NAME(marker), TASK_NAME(marker) ); |
459 |
if ( !test ) |
460 |
return 0; |
461 |
if ( quest_is_completed( test, 1 ) ) |
462 |
return 0; |
463 |
return 1; |
464 |
case QCT_QS_TD: |
465 |
test = quest_get_player_quest( pl, QUEST_NAME(marker), TASK_NAME(marker) ); |
466 |
if ( !test ) |
467 |
return 0; |
468 |
if ( quest_is_completed( test, 1 ) ) |
469 |
return 1; |
470 |
return 0; |
471 |
case QCT_QS_TSD: |
472 |
test = quest_get_player_quest( pl, QUEST_NAME(marker), TASK_NAME(marker) ); |
473 |
if ( !test ) |
474 |
return 0; |
475 |
return 1; |
476 |
case QCT_QSD: |
477 |
test = quest_get_player_quest( pl, QUEST_NAME(marker), NULL ); |
478 |
if ( !test ) |
479 |
return 0; |
480 |
return 1; |
481 |
case QCT_QD: |
482 |
test = quest_get_player_quest( pl, QUEST_NAME(marker), NULL ); |
483 |
if ( !test || !quest_is_completed( test, 0 ) ) |
484 |
return 0; |
485 |
return 1; |
486 |
}; |
487 |
return 1; |
488 |
} |