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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@schmorp.de> |
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*/ |
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|
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#include <cassert> |
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|
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#include <global.h> |
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#include <funcpoint.h> |
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#include <loader.h> |
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|
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#define USE_UNORDERED_MAP 0 |
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|
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#if USE_UNORDERED_MAP |
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# include <tr1/functional> |
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# include <tr1/unordered_map> |
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#endif |
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|
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int arch_cmp = 0; /* How many strcmp's */ |
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int arch_search = 0; /* How many searches */ |
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int arch_init; /* True if doing arch initialization */ |
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|
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/* The naming of these functions is really poor - they are all |
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* pretty much named '.._arch_...', but they may more may not |
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* return archetypes. Some make the arch_to_object call, and thus |
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* return an object. Perhaps those should be called 'archob' functions |
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* to denote they return an object derived from the archetype. |
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* MSW 2003-04-29 |
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*/ |
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|
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#if USE_UNORDERED_MAP |
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// the hashtable |
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typedef std::tr1::unordered_map |
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< |
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std::size_t, |
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arch_ptr, |
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std::tr1::hash<size_t>, |
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std::equal_to<size_t>, |
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slice_allocator< std::pair<const std::size_t, archetype *> > |
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true, |
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> HT; |
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|
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static HT ht; |
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#else |
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static arch_ptr arch_table[ARCHTABLE]; |
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#endif |
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|
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/** |
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* GROS - This function retrieves an archetype given the name that appears |
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* during the game (for example, "writing pen" instead of "stylus"). |
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* It does not use the hashtable system, but browse the whole archlist each time. |
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* I suggest not to use it unless you really need it because of performance issue. |
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* It is currently used by scripting extensions (create-object). |
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* Params: |
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* - name: the name we're searching for (ex: "writing pen"); |
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* Return value: |
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* - the archetype found or null if nothing was found. |
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*/ |
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archetype * |
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find_archetype_by_object_name (const char *name) |
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{ |
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archetype *at; |
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|
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if (name == NULL) |
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return (archetype *) NULL; |
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|
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for (at = first_archetype; at != NULL; at = at->next) |
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{ |
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if (!strcmp (at->clone.name, name)) |
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return at; |
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} |
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return NULL; |
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} |
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|
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/** |
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* This function retrieves an archetype by type and name that appears during |
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* the game. It is basically the same as find_archetype_by_object_name() |
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* except that it considers only items of the given type. |
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*/ |
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archetype * |
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find_archetype_by_object_type_name (int type, const char *name) |
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{ |
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archetype *at; |
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|
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if (name == NULL) |
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return NULL; |
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|
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for (at = first_archetype; at != NULL; at = at->next) |
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{ |
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if (at->clone.type == type && strcmp (at->clone.name, name) == 0) |
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return at; |
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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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/* This is a lot like the above function. Instead, we are trying to match |
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* the arch->skill values. type is the type of object to match |
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* against (eg, to only match against skills or only skill objects for example). |
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* If type is -1, ew don't match on type. |
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*/ |
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object * |
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get_archetype_by_skill_name (const char *skill, int type) |
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{ |
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archetype * |
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at; |
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|
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if (skill == NULL) |
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return NULL; |
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|
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for (at = first_archetype; at != NULL; at = at->next) |
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{ |
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if (((type == -1) || (type == at->clone.type)) && (!strcmp (at->clone.skill, skill))) |
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return arch_to_object (at); |
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} |
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return NULL; |
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} |
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|
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/* similiar to above - this returns the first archetype |
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* that matches both the type and subtype. type and subtype |
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* can be -1 to say ignore, but in this case, the match it does |
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* may not be very useful. This function is most useful when |
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* subtypes are known to be unique for a particular type |
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* (eg, skills) |
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*/ |
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archetype * |
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get_archetype_by_type_subtype (int type, int subtype) |
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{ |
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archetype * |
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at; |
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|
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for (at = first_archetype; at != NULL; at = at->next) |
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{ |
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if (((type == -1) || (type == at->clone.type)) && (subtype == -1 || subtype == at->clone.subtype)) |
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return at; |
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} |
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return NULL; |
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} |
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|
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/** |
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* GROS - this returns a new object given the name that appears during the game |
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* (for example, "writing pen" instead of "stylus"). |
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* Params: |
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* - name: The name we're searching for (ex: "writing pen"); |
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* Return value: |
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* - a corresponding object if found; a singularity object if not found. |
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* Note by MSW - it appears that it takes the full name and keeps |
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* shortening it until it finds a match. I re-wrote this so that it |
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* doesn't malloc it each time - not that this function is used much, |
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* but it otherwise had a big memory leak. |
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*/ |
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object * |
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get_archetype_by_object_name (const char *name) |
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{ |
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archetype *at; |
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char tmpname[MAX_BUF]; |
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int i; |
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|
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assign (tmpname, name); |
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|
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for (i = strlen (tmpname); i > 0; i--) |
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{ |
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tmpname[i] = 0; |
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at = find_archetype_by_object_name (tmpname); |
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|
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if (at != NULL) |
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return arch_to_object (at); |
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} |
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|
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return create_singularity (name); |
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} |
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|
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/* This is a subset of the parse_id command. Basically, name can be |
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* a string seperated lists of things to match, with certain keywords. |
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* pl is the player (only needed to set count properly) |
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* op is the item we are trying to match. Calling function takes care |
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* of what action might need to be done and if it is valid |
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* (pickup, drop, etc.) Return NONZERO if we have a match. A higher |
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* value means a better match. 0 means no match. |
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* |
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* Brief outline of the procedure: |
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* We take apart the name variable into the individual components. |
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* cases for 'all' and unpaid are pretty obvious. |
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* Next, we check for a count (either specified in name, or in the |
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* player object.) |
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* If count is 1, make a quick check on the name. |
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* IF count is >1, we need to make plural name. Return if match. |
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* Last, make a check on the full name. |
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*/ |
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int |
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item_matched_string (object *pl, object *op, const char *name) |
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{ |
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char *cp, local_name[MAX_BUF]; |
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int count, retval = 0; |
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|
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strcpy (local_name, name); /* strtok is destructive to name */ |
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|
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for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) |
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{ |
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while (cp[0] == ' ') |
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++cp; /* get rid of spaces */ |
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|
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/* LOG(llevDebug,"Trying to match %s\n", cp); */ |
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/* All is a very generic match - low match value */ |
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if (!strcmp (cp, "all")) |
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return 1; |
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|
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/* unpaid is a little more specific */ |
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if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID)) |
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return 2; |
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if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))) |
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return 2; |
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|
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if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED)) |
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return 2; |
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|
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/* Allow for things like '100 arrows' */ |
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if ((count = atoi (cp)) != 0) |
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{ |
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cp = strchr (cp, ' '); |
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while (cp && cp[0] == ' ') |
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++cp; /* get rid of spaces */ |
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} |
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else |
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{ |
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if (pl->type == PLAYER) |
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count = pl->contr->count; |
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else |
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count = 0; |
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} |
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|
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if (!cp || cp[0] == '\0' || count < 0) |
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return 0; |
252 |
|
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|
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/* The code here should go from highest retval to lowest. That |
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* is because of the 'else' handling - we don't want to match on |
256 |
* something and set a low retval, even though it may match a higher retcal |
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* later. So keep it in descending order here, so we try for the best |
258 |
* match first, and work downward. |
259 |
*/ |
260 |
if (!strcasecmp (cp, query_name (op))) |
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retval = 20; |
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else if (!strcasecmp (cp, query_short_name (op))) |
263 |
retval = 18; |
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else if (!strcasecmp (cp, query_base_name (op, 0))) |
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retval = 16; |
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else if (!strcasecmp (cp, query_base_name (op, 1))) |
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retval = 16; |
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else if (op->custom_name && !strcasecmp (cp, op->custom_name)) |
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retval = 15; |
270 |
else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) |
271 |
retval = 14; |
272 |
else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) |
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retval = 14; |
274 |
/* Do substring checks, so things like 'Str+1' will match. |
275 |
* retval of these should perhaps be lower - they are lower |
276 |
* then the specific strcasecmp aboves, but still higher than |
277 |
* some other match criteria. |
278 |
*/ |
279 |
else if (strstr (query_base_name (op, 1), cp)) |
280 |
retval = 12; |
281 |
else if (strstr (query_base_name (op, 0), cp)) |
282 |
retval = 12; |
283 |
else if (strstr (query_short_name (op), cp)) |
284 |
retval = 12; |
285 |
/* Check against plural/non plural based on count. */ |
286 |
else if (count > 1 && !strcasecmp (cp, op->name_pl)) |
287 |
retval = 6; |
288 |
else if (count == 1 && !strcasecmp (op->name, cp)) |
289 |
retval = 6; |
290 |
/* base name matched - not bad */ |
291 |
else if (strcasecmp (cp, op->name) == 0 && !count) |
292 |
retval = 4; |
293 |
/* Check for partial custom name, but give a real low priority */ |
294 |
else if (op->custom_name && strstr (op->custom_name, cp)) |
295 |
retval = 3; |
296 |
|
297 |
if (retval) |
298 |
{ |
299 |
if (pl->type == PLAYER) |
300 |
pl->contr->count = count; |
301 |
|
302 |
return retval; |
303 |
} |
304 |
} |
305 |
|
306 |
return 0; |
307 |
} |
308 |
|
309 |
/* |
310 |
* Initialises the internal linked list of archetypes (read from file). |
311 |
* Then the global "empty_archetype" pointer is initialised. |
312 |
* Then the blocksview[] array is initialised. |
313 |
*/ |
314 |
|
315 |
void |
316 |
init_archetypes (void) |
317 |
{ /* called from add_player() and edit() */ |
318 |
if (first_archetype != NULL) /* Only do this once */ |
319 |
return; |
320 |
|
321 |
arch_init = 1; |
322 |
load_archetypes (); |
323 |
arch_init = 0; |
324 |
empty_archetype = archetype::find ("empty_archetype"); |
325 |
|
326 |
/* init_blocksview();*/ |
327 |
} |
328 |
|
329 |
/* |
330 |
* Stores debug-information about how efficient the hashtable |
331 |
* used for archetypes has been in the static errmsg array. |
332 |
*/ |
333 |
|
334 |
void |
335 |
arch_info (object *op) |
336 |
{ |
337 |
sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp); |
338 |
new_draw_info (NDI_BLACK, 0, op, errmsg); |
339 |
} |
340 |
|
341 |
/* |
342 |
* Initialise the hashtable used by the archetypes. |
343 |
*/ |
344 |
|
345 |
void |
346 |
clear_archetable (void) |
347 |
{ |
348 |
memset ((void *) arch_table, 0, ARCHTABLE * sizeof (archetype *)); |
349 |
} |
350 |
|
351 |
/* |
352 |
* An alternative way to init the hashtable which is slower, but _works_... |
353 |
*/ |
354 |
|
355 |
void |
356 |
init_archetable (void) |
357 |
{ |
358 |
archetype *at; |
359 |
|
360 |
LOG (llevDebug, " Setting up archetable...\n"); |
361 |
|
362 |
for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more) |
363 |
at->hash_add (); |
364 |
|
365 |
LOG (llevDebug, "done\n"); |
366 |
} |
367 |
|
368 |
void |
369 |
free_all_archs (void) |
370 |
{ |
371 |
archetype *at, *next; |
372 |
int i = 0, f = 0; |
373 |
|
374 |
for (at = first_archetype; at != NULL; at = next) |
375 |
{ |
376 |
if (at->more) |
377 |
next = at->more; |
378 |
else |
379 |
next = at->next; |
380 |
|
381 |
delete |
382 |
at; |
383 |
|
384 |
i++; |
385 |
} |
386 |
|
387 |
LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f); |
388 |
} |
389 |
|
390 |
archetype::archetype () |
391 |
{ |
392 |
clear_object (&clone); /* to initial state other also */ |
393 |
CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */ |
394 |
SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */ |
395 |
} |
396 |
|
397 |
archetype::~archetype () |
398 |
{ |
399 |
} |
400 |
|
401 |
/* |
402 |
* Reads/parses the archetype-file, and copies into a linked list |
403 |
* of archetype-structures. |
404 |
*/ |
405 |
void |
406 |
first_arch_pass (object_thawer & fp) |
407 |
{ |
408 |
archetype *head = 0, *last_more = 0; |
409 |
|
410 |
archetype *at = new archetype; |
411 |
at->clone.arch = first_archetype = at; |
412 |
|
413 |
while (int i = load_object (fp, &at->clone, 0)) |
414 |
{ |
415 |
at->clone.speed_left = (float) (-0.1); |
416 |
/* copy the body_info to the body_used - this is only really |
417 |
* need for monsters, but doesn't hurt to do it for everything. |
418 |
* by doing so, when a monster is created, it has good starting |
419 |
* values for the body_used info, so when items are created |
420 |
* for it, they can be properly equipped. |
421 |
*/ |
422 |
memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info)); |
423 |
|
424 |
switch (i) |
425 |
{ |
426 |
case LL_NORMAL: /* A new archetype, just link it with the previous */ |
427 |
if (last_more != NULL) |
428 |
last_more->next = at; |
429 |
if (head != NULL) |
430 |
head->next = at; |
431 |
head = last_more = at; |
432 |
#if 0 |
433 |
if (!op->type) |
434 |
LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name); |
435 |
#endif |
436 |
at->tail_x = 0; |
437 |
at->tail_y = 0; |
438 |
break; |
439 |
|
440 |
case LL_MORE: /* Another part of the previous archetype, link it correctly */ |
441 |
|
442 |
at->head = head; |
443 |
at->clone.head = &head->clone; |
444 |
if (last_more != NULL) |
445 |
{ |
446 |
last_more->more = at; |
447 |
last_more->clone.more = &at->clone; |
448 |
} |
449 |
last_more = at; |
450 |
|
451 |
/* If this multipart image is still composed of individual small |
452 |
* images, don't set the tail_.. values. We can't use them anyways, |
453 |
* and setting these to zero makes the map sending to the client much |
454 |
* easier as just looking at the head, we know what to do. |
455 |
*/ |
456 |
if (at->clone.face != head->clone.face) |
457 |
{ |
458 |
head->tail_x = 0; |
459 |
head->tail_y = 0; |
460 |
} |
461 |
else |
462 |
{ |
463 |
if (at->clone.x > head->tail_x) |
464 |
head->tail_x = at->clone.x; |
465 |
if (at->clone.y > head->tail_y) |
466 |
head->tail_y = at->clone.y; |
467 |
} |
468 |
break; |
469 |
|
470 |
} |
471 |
|
472 |
at = new archetype; |
473 |
|
474 |
at->clone.arch = at; |
475 |
} |
476 |
|
477 |
delete at; |
478 |
} |
479 |
|
480 |
/* |
481 |
* Reads the archetype file once more, and links all pointers between |
482 |
* archetypes. |
483 |
*/ |
484 |
|
485 |
void |
486 |
second_arch_pass (object_thawer & thawer) |
487 |
{ |
488 |
char buf[MAX_BUF], *variable = buf, *argument, *cp; |
489 |
archetype *at = NULL, *other; |
490 |
|
491 |
while (fgets (buf, MAX_BUF, thawer) != NULL) |
492 |
{ |
493 |
if (*buf == '#') |
494 |
continue; |
495 |
if ((argument = strchr (buf, ' ')) != NULL) |
496 |
{ |
497 |
*argument = '\0', argument++; |
498 |
cp = argument + strlen (argument) - 1; |
499 |
while (isspace (*cp)) |
500 |
{ |
501 |
*cp = '\0'; |
502 |
cp--; |
503 |
} |
504 |
} |
505 |
if (!strcmp ("Object", variable)) |
506 |
{ |
507 |
if ((at = archetype::find (argument)) == NULL) |
508 |
LOG (llevError, "Warning: failed to find arch %s\n", argument); |
509 |
} |
510 |
else if (!strcmp ("other_arch", variable)) |
511 |
{ |
512 |
if (at != NULL && at->clone.other_arch == NULL) |
513 |
{ |
514 |
if ((other = archetype::find (argument)) == NULL) |
515 |
LOG (llevError, "Warning: failed to find other_arch %s\n", argument); |
516 |
else if (at != NULL) |
517 |
at->clone.other_arch = other; |
518 |
} |
519 |
} |
520 |
else if (!strcmp ("randomitems", variable)) |
521 |
{ |
522 |
if (at != NULL) |
523 |
{ |
524 |
treasurelist *tl = find_treasurelist (argument); |
525 |
|
526 |
if (tl == NULL) |
527 |
LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument); |
528 |
else |
529 |
at->clone.randomitems = tl; |
530 |
} |
531 |
} |
532 |
} |
533 |
} |
534 |
|
535 |
#ifdef DEBUG |
536 |
void |
537 |
check_generators (void) |
538 |
{ |
539 |
archetype *at; |
540 |
|
541 |
for (at = first_archetype; at != NULL; at = at->next) |
542 |
if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL) |
543 |
LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name); |
544 |
} |
545 |
#endif |
546 |
|
547 |
/* |
548 |
* First initialises the archtype hash-table (init_archetable()). |
549 |
* Reads and parses the archetype file (with the first and second-pass |
550 |
* functions). |
551 |
* Then initialises treasures by calling load_treasures(). |
552 |
*/ |
553 |
|
554 |
void |
555 |
load_archetypes (void) |
556 |
{ |
557 |
char filename[MAX_BUF]; |
558 |
|
559 |
sprintf (filename, "%s/%s", settings.datadir, settings.archetypes); |
560 |
LOG (llevDebug, "Reading archetypes from %s:\n", filename); |
561 |
|
562 |
{ |
563 |
object_thawer |
564 |
thawer (filename); |
565 |
|
566 |
clear_archetable (); |
567 |
LOG (llevDebug, " arch-pass 1...\n"); |
568 |
first_arch_pass (thawer); |
569 |
LOG (llevDebug, " done\n"); |
570 |
} |
571 |
|
572 |
init_archetable (); |
573 |
warn_archetypes = 1; |
574 |
|
575 |
{ |
576 |
object_thawer |
577 |
thawer (filename); |
578 |
|
579 |
LOG (llevDebug, " loading treasure...\n"); |
580 |
load_treasures (); |
581 |
LOG (llevDebug, " done\n arch-pass 2...\n"); |
582 |
second_arch_pass (thawer); |
583 |
LOG (llevDebug, " done\n"); |
584 |
#ifdef DEBUG |
585 |
check_generators (); |
586 |
#endif |
587 |
} |
588 |
LOG (llevDebug, " done\n"); |
589 |
} |
590 |
|
591 |
/* |
592 |
* Creates and returns a new object which is a copy of the given archetype. |
593 |
* This function returns NULL on failure. |
594 |
*/ |
595 |
|
596 |
object * |
597 |
arch_to_object (archetype *at) |
598 |
{ |
599 |
object *op; |
600 |
|
601 |
if (at == NULL) |
602 |
{ |
603 |
if (warn_archetypes) |
604 |
LOG (llevError, "Couldn't find archetype.\n"); |
605 |
|
606 |
return NULL; |
607 |
} |
608 |
|
609 |
op = get_object (); |
610 |
copy_object (&at->clone, op); |
611 |
op->arch = at; |
612 |
op->instantiate (); |
613 |
return op; |
614 |
} |
615 |
|
616 |
/* |
617 |
* Creates an object. This function is called by get_archetype() |
618 |
* if it fails to find the appropriate archetype. |
619 |
* Thus get_archetype() will be guaranteed to always return |
620 |
* an object, and never NULL. |
621 |
*/ |
622 |
|
623 |
object * |
624 |
create_singularity (const char *name) |
625 |
{ |
626 |
object *op; |
627 |
char buf[MAX_BUF]; |
628 |
|
629 |
sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); |
630 |
op = get_object (); |
631 |
op->name = op->name_pl = buf; |
632 |
SET_FLAG (op, FLAG_NO_PICK); |
633 |
return op; |
634 |
} |
635 |
|
636 |
/* |
637 |
* Finds which archetype matches the given name, and returns a new |
638 |
* object containing a copy of the archetype. |
639 |
*/ |
640 |
|
641 |
object * |
642 |
get_archetype (const char *name) |
643 |
{ |
644 |
archetype *at = archetype::find (name); |
645 |
|
646 |
if (!at) |
647 |
return create_singularity (name); |
648 |
|
649 |
return arch_to_object (at); |
650 |
} |
651 |
|
652 |
/* |
653 |
* Hash-function used by the arch-hashtable. |
654 |
*/ |
655 |
|
656 |
unsigned long |
657 |
hasharch (const char *str, int tablesize) |
658 |
{ |
659 |
unsigned long hash = 0; |
660 |
unsigned int i = 0; |
661 |
const char *p; |
662 |
|
663 |
/* use the one-at-a-time hash function, which supposedly is |
664 |
* better than the djb2-like one used by perl5.005, but |
665 |
* certainly is better then the bug used here before. |
666 |
* see http://burtleburtle.net/bob/hash/doobs.html |
667 |
*/ |
668 |
for (p = str; i < MAXSTRING && *p; p++, i++) |
669 |
{ |
670 |
hash += *p; |
671 |
hash += hash << 10; |
672 |
hash ^= hash >> 6; |
673 |
} |
674 |
|
675 |
hash += hash << 3; |
676 |
hash ^= hash >> 11; |
677 |
hash += hash << 15; |
678 |
|
679 |
return hash % tablesize; |
680 |
} |
681 |
|
682 |
/* |
683 |
* Finds, using the hashtable, which archetype matches the given name. |
684 |
* returns a pointer to the found archetype, otherwise NULL. |
685 |
*/ |
686 |
|
687 |
archetype * |
688 |
archetype::find (const char *name) |
689 |
{ |
690 |
if (!name) |
691 |
return 0; |
692 |
|
693 |
#if USE_UNORDERED_MAP |
694 |
AUTODECL (i, ht.find ((size_t) name)); |
695 |
|
696 |
if (i == ht.end ()) |
697 |
return 0; |
698 |
else |
699 |
return i->second; |
700 |
#endif |
701 |
|
702 |
archetype *at; |
703 |
unsigned long index; |
704 |
|
705 |
index = hasharch (name, ARCHTABLE); |
706 |
arch_search++; |
707 |
for (;;) |
708 |
{ |
709 |
at = arch_table[index]; |
710 |
|
711 |
if (at == NULL) |
712 |
{ |
713 |
if (warn_archetypes) |
714 |
LOG (llevError, "Couldn't find archetype %s\n", name); |
715 |
|
716 |
return NULL; |
717 |
} |
718 |
|
719 |
arch_cmp++; |
720 |
|
721 |
if (!strcmp ((const char *) at->name, name)) |
722 |
return at; |
723 |
|
724 |
if (++index >= ARCHTABLE) |
725 |
index = 0; |
726 |
} |
727 |
} |
728 |
|
729 |
/* |
730 |
* Adds an archetype to the hashtable. |
731 |
*/ |
732 |
void |
733 |
archetype::hash_add () |
734 |
{ |
735 |
#if USE_UNORDERED_MAP |
736 |
ht.insert (std::make_pair ((size_t) (const char *) name, this)); |
737 |
#else |
738 |
|
739 |
int index = hasharch ((const char *) name, ARCHTABLE), org_index = index; |
740 |
|
741 |
for (;;) |
742 |
{ |
743 |
if (!arch_table[index]) |
744 |
{ |
745 |
arch_table[index] = this; |
746 |
break; |
747 |
} |
748 |
|
749 |
if (++index == ARCHTABLE) |
750 |
index = 0; |
751 |
|
752 |
if (index == org_index) |
753 |
fatal (ARCHTABLE_TOO_SMALL); |
754 |
} |
755 |
#endif |
756 |
} |
757 |
|
758 |
void |
759 |
archetype::hash_del () |
760 |
{ |
761 |
#if USE_UNORDERED_MAP |
762 |
# error remove this from HT |
763 |
#else |
764 |
|
765 |
int index = hasharch ((const char *) name, ARCHTABLE), org_index = index; |
766 |
|
767 |
for (;;) |
768 |
{ |
769 |
if (arch_table[index] == this) |
770 |
{ |
771 |
arch_table[index] = 0; |
772 |
break; |
773 |
} |
774 |
|
775 |
if (++index == ARCHTABLE) |
776 |
index = 0; |
777 |
|
778 |
if (index == org_index) |
779 |
break; |
780 |
} |
781 |
#endif |
782 |
} |
783 |
|
784 |
/* |
785 |
* Returns the first archetype using the given type. |
786 |
* Used in treasure-generation. |
787 |
*/ |
788 |
|
789 |
archetype * |
790 |
type_to_archetype (int type) |
791 |
{ |
792 |
archetype *at; |
793 |
|
794 |
for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more) |
795 |
if (at->clone.type == type) |
796 |
return at; |
797 |
|
798 |
return 0; |
799 |
} |
800 |
|
801 |
/* |
802 |
* Returns a new object copied from the first archetype matching |
803 |
* the given type. |
804 |
* Used in treasure-generation. |
805 |
*/ |
806 |
|
807 |
object * |
808 |
clone_arch (int type) |
809 |
{ |
810 |
archetype *at; |
811 |
object *op = get_object (); |
812 |
|
813 |
if ((at = type_to_archetype (type)) == NULL) |
814 |
{ |
815 |
LOG (llevError, "Can't clone archetype %d\n", type); |
816 |
free_object (op); |
817 |
return NULL; |
818 |
} |
819 |
|
820 |
copy_object (&at->clone, op); |
821 |
op->instantiate (); |
822 |
return op; |
823 |
} |
824 |
|
825 |
/* |
826 |
* member: make instance from class |
827 |
*/ |
828 |
|
829 |
object * |
830 |
object_create_arch (archetype *at) |
831 |
{ |
832 |
object *op, *prev = 0, *head = 0; |
833 |
|
834 |
while (at) |
835 |
{ |
836 |
op = arch_to_object (at); |
837 |
op->x = at->clone.x; |
838 |
op->y = at->clone.y; |
839 |
|
840 |
if (head) |
841 |
op->head = head, prev->more = op; |
842 |
|
843 |
if (!head) |
844 |
head = op; |
845 |
|
846 |
prev = op; |
847 |
at = at->more; |
848 |
} |
849 |
|
850 |
return (head); |
851 |
} |
852 |
|