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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 to <crossfire@schmorp.de> |
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*/ |
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|
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/* This file contains all the code implementing diseases, |
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except for odds and ends in attack.c and in |
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living.c*/ |
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|
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|
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|
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/* |
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|
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For DISEASES: |
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Stat Property Definition |
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|
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attacktype Attack effects Attacktype of the disease. usu. AT_GODPOWER. |
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other_arch Creation object created and dropped when symptom moved. |
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title Message When the "disease" "infects" something, it will |
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print "title victim!!!" to the player who owns |
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the "disease". |
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wc+ Infectiousness How well the plague spreads person-to-person |
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magic+ Range range of infection |
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Stats* Disability What stats are reduced by the disease (str con...) |
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maxhp+ Persistence How long the disease can last OUTSIDE the host. |
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value TimeLeft Counter for persistence |
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dam^ Damage How much damage it does (%?). |
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maxgrace+ Duration How long before the disease is naturally cured. |
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food DurCount Counter for Duration |
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|
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speed Speed How often the disease moves. |
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last_sp^ Lethargy Percentage of max speed--10 = 10% speed. |
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|
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maxsp^ Mana deplete Saps mana. |
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ac^ Progressiveness How the diseases increases in severity. |
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last_eat*^ Deplete food saps food if negative |
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last_heal GrantImmunity If nonzero, disease does NOT grant immunity |
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when it runs out |
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|
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exp experience experience awarded when plague cured |
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hp*^ ReduceRegen reduces regeneration of disease-bearer |
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sp*^ ReduceSpRegen reduces spellpoint regeneration |
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|
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name Name Name of the plague |
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msg message What the plague says when it strikes. |
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race those affected species/race the plague strikes (* = everything) |
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level Plague Level General description of the plague's deadliness |
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armour Attenuation reduction in wc per generation of disease. |
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This builds in a self-limiting factor. |
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|
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|
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Explanations: |
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* means this # should be negative to cause adverse effect. |
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+ means that this effect is modulated in spells by ldur |
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^ means that this effect is modulated in spells by ldam |
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|
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attacktype is the attacktype used by the disease to smite "dam" damage with. |
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|
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wc/127 is the chance of someone in range catching it. |
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|
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magic is the range at which infection may occur. If negative, the range is |
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NOT level dependent. |
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|
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Stats are stat modifications. These should typically be negative. |
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|
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maxhp is how long the disease will persist if the host dies and "drops" it, |
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in "disease moves", i.e., moves of the disease. If negative, permanent. |
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|
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|
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value is the counter for maxhp, it starts at maxhp and drops... |
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|
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dam if positive, it is straight damage. if negative, a %-age. |
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|
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maxgrace how long in "disease moves" the disease lasts in the host, if negative, |
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permanent until cured. |
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|
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food if negative, disease is permanent. otherwise, decreases at <speed>, |
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disease goes away at food=0, set to "maxgrace" on infection. |
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|
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speed is the speed of the disease, how fast "disease moves" occur. |
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|
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last_sp is the lethargy imposed on the player by the disease. A lethargy |
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of "1" reduces the players speed to 1% of its normal value. |
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|
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maxsp how much mana is sapped per "disease move". if negative, a %-age is |
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taken. |
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|
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ac every "disease move" the severity of the symptoms are increased by |
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ac/100. (severity = 1 + (accumlated_progression)/100) |
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|
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last_eat increases food usage if negative. |
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|
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|
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|
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For SYMPTOMS: |
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|
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Stats modify stats |
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hp modify regen |
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value progression counter (multiplier = value/100) |
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food modify food use (from last_eat in DISEASE) |
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maxsp suck mana ( as noted for DISEASE) |
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last_sp Lethargy |
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msg What to say |
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speed speed of movement, from DISEASE |
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|
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|
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*/ |
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|
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|
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#include <global.h> |
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#include <object.h> |
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#include <living.h> |
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#ifndef __CEXTRACT__ |
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# include <sproto.h> |
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#endif |
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#include <spells.h> |
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#include <sounds.h> |
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#include <skills.h> |
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|
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/* IMPLEMENTATION NOTES |
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|
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Diseases may be contageous. They are objects which exist in a player's |
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inventory. They themselves do nothing, except modify Symptoms, or |
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spread to other live objects. Symptoms are what actually damage the player: |
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these are their own object. */ |
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|
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/* check if victim is susceptible to disease. */ |
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static int |
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is_susceptible_to_disease (object *victim, object *disease) |
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{ |
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if (!QUERY_FLAG (victim, FLAG_ALIVE)) |
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return 0; |
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|
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if (strstr (disease->race, "*") && !QUERY_FLAG (victim, FLAG_UNDEAD)) |
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return 1; |
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|
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if ((disease->race == undead_name) && QUERY_FLAG (victim, FLAG_UNDEAD)) |
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return 1; |
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|
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if ((victim->race && strstr (disease->race, victim->race)) || strstr (disease->race, victim->name)) |
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return 1; |
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|
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return 0; |
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} |
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|
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int |
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move_disease (object *disease) |
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{ |
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/* first task is to determine if the disease is inside or outside of someone. |
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* If outside, we decrement 'value' until we're gone. |
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*/ |
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|
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if (disease->env == NULL) |
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{ /* we're outside of someone */ |
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if (disease->stats.maxhp > 0) |
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disease->value--; |
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if (disease->value == 0) |
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{ |
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remove_ob (disease); |
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free_object (disease); |
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return 1; |
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} |
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} |
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else |
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{ |
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/* if we're inside a person, have the disease run its course */ |
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/* negative foods denote "perpetual" diseases. */ |
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if (disease->stats.food > 0) |
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{ |
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disease->stats.food--; |
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if (disease->stats.food == 0) |
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{ |
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remove_symptoms (disease); /* remove the symptoms of this disease */ |
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grant_immunity (disease); |
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remove_ob (disease); |
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free_object (disease); |
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return 1; |
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} |
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} |
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} |
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/* check to see if we infect others */ |
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check_infection (disease); |
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|
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/* impose or modify the symptoms of the disease */ |
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if (disease->env && is_susceptible_to_disease (disease->env, disease)) |
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do_symptoms (disease); |
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|
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return 0; |
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} |
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|
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/* remove any symptoms of disease |
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* Modified by MSW 2003-03-28 do try to find all the symptom the |
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* player may have - I think through some odd interactoins with |
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* disease level and player level and whatnot, a player could get |
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* more than one symtpom to a disease. |
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*/ |
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|
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int |
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remove_symptoms (object *disease) |
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{ |
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object *symptom, *victim = NULL; |
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|
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while ((symptom = find_symptom (disease)) != NULL) |
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{ |
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if (!victim) |
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victim = symptom->env; |
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remove_ob (symptom); |
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free_object (symptom); |
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} |
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if (victim) |
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fix_player (victim); |
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return 0; |
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} |
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|
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/* argument is a disease */ |
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object * |
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find_symptom (object *disease) |
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{ |
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object *walk; |
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|
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/* check the inventory for symptoms */ |
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for (walk = disease->env->inv; walk; walk = walk->below) |
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if (!strcmp (walk->name, disease->name) && walk->type == SYMPTOM) |
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return walk; |
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return NULL; |
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} |
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|
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/* searches around for more victims to infect */ |
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int |
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check_infection (object *disease) |
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{ |
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int x, y, range, mflags; |
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maptile *map, *map2; |
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object *tmp; |
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sint16 i, j, i2, j2; |
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|
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range = abs (disease->magic); |
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if (disease->env) |
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{ |
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x = disease->env->x; |
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y = disease->env->y; |
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map = disease->env->map; |
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} |
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else |
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{ |
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x = disease->x; |
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y = disease->y; |
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map = disease->map; |
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} |
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|
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if (map == NULL) |
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return 0; |
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for (i = x - range; i <= x + range; i++) |
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{ |
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for (j = y - range; j <= y + range; j++) |
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{ |
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mflags = get_map_flags (map, &map2, i, j, &i2, &j2); |
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if (!(mflags & P_OUT_OF_MAP) && (mflags & P_IS_ALIVE)) |
277 |
{ |
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for (tmp = get_map_ob (map2, i2, j2); tmp; tmp = tmp->above) |
279 |
{ |
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infect_object (tmp, disease, 0); |
281 |
} |
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} |
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} |
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} |
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return 1; |
286 |
} |
287 |
|
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|
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/* check to see if an object is infectable: |
290 |
* objects with immunity aren't infectable. |
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* objects already infected aren't infectable. |
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* dead objects aren't infectable. |
293 |
* undead objects are infectible only if specifically named. |
294 |
*/ |
295 |
int |
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infect_object (object *victim, object *disease, int force) |
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{ |
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object *tmp; |
299 |
object *new_disease; |
300 |
|
301 |
/* don't infect inanimate objects */ |
302 |
if (!QUERY_FLAG (victim, FLAG_MONSTER) && !(victim->type == PLAYER)) |
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return 0; |
304 |
|
305 |
/* check and see if victim can catch disease: diseases |
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* are specific |
307 |
*/ |
308 |
if (!is_susceptible_to_disease (victim, disease)) |
309 |
return 0; |
310 |
|
311 |
/* roll the dice on infection before doing the inventory check! */ |
312 |
if (!force && (random_roll (0, 126, victim, PREFER_HIGH) >= disease->stats.wc)) |
313 |
return 0; |
314 |
|
315 |
/* do an immunity check */ |
316 |
if (victim->head) |
317 |
tmp = victim->head->inv; |
318 |
else |
319 |
tmp = victim->inv; |
320 |
|
321 |
/* There used to (IMO) be a flaw in the below - it used to be the case |
322 |
* that if level check was done for both immunity and disease. This could |
323 |
* result in a person with multiple afflictions of the same disease |
324 |
* (eg, level 1 cold, level 2 cold, level 3 cold, etc), as long as |
325 |
* they were cast in that same order. Instead, change it so that |
326 |
* if you diseased, you can't get diseased more. |
327 |
*/ |
328 |
|
329 |
for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below) |
330 |
{ |
331 |
if (tmp->type == SIGN && !strcmp (tmp->name, disease->name) && tmp->level >= disease->level) |
332 |
return 0; /*Immune! */ |
333 |
else if (tmp->type == DISEASE && !strcmp (tmp->name, disease->name)) |
334 |
return 0; /* already diseased */ |
335 |
} |
336 |
|
337 |
/* If we've gotten this far, go ahead and infect the victim. */ |
338 |
new_disease = get_object (); |
339 |
copy_object (disease, new_disease); |
340 |
new_disease->stats.food = disease->stats.maxgrace; |
341 |
new_disease->value = disease->stats.maxhp; |
342 |
new_disease->stats.wc -= disease->last_grace; /* self-limiting factor */ |
343 |
|
344 |
/* Unfortunately, set_owner does the wrong thing to the skills pointers |
345 |
* resulting in exp going into the owners *current* chosen skill. |
346 |
*/ |
347 |
|
348 |
if (get_owner (disease)) |
349 |
{ |
350 |
set_owner (new_disease, disease->owner); |
351 |
|
352 |
/* Only need to update skill if different */ |
353 |
if (new_disease->skill != disease->skill) |
354 |
new_disease->skill = disease->skill; |
355 |
} |
356 |
else |
357 |
{ /* for diseases which are passed by hitting, set owner and praying skill */ |
358 |
if (disease->env && disease->env->type == PLAYER) |
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{ |
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object *player = disease->env; |
361 |
|
362 |
set_owner (new_disease, player); |
363 |
|
364 |
/* the skill pointer for these diseases should already be set up - |
365 |
* hardcoding in 'praying' is not the right approach. |
366 |
*/ |
367 |
} |
368 |
} |
369 |
|
370 |
insert_ob_in_ob (new_disease, victim); |
371 |
/* This appears to be a horrible case of overloading 'NO_PASS' |
372 |
* for meaning in the diseases. |
373 |
*/ |
374 |
new_disease->move_block = 0; |
375 |
if (new_disease->owner && new_disease->owner->type == PLAYER) |
376 |
{ |
377 |
char buf[128]; |
378 |
|
379 |
/* if the disease has a title, it has a special infection message |
380 |
* This messages is printed in the form MESSAGE victim |
381 |
*/ |
382 |
if (new_disease->title) |
383 |
sprintf (buf, "%s %s!!", &disease->title, &victim->name); |
384 |
else |
385 |
sprintf (buf, "You infect %s with your disease, %s!", &victim->name, &new_disease->name); |
386 |
|
387 |
if (victim->type == PLAYER) |
388 |
new_draw_info (NDI_UNIQUE | NDI_RED, 0, new_disease->owner, buf); |
389 |
else |
390 |
new_draw_info (0, 4, new_disease->owner, buf); |
391 |
} |
392 |
if (victim->type == PLAYER) |
393 |
new_draw_info (NDI_UNIQUE | NDI_RED, 0, victim, "You suddenly feel ill."); |
394 |
|
395 |
return 1; |
396 |
|
397 |
} |
398 |
|
399 |
|
400 |
|
401 |
/* this function monitors the symptoms caused by the disease (if any), |
402 |
causes symptoms, and modifies existing symptoms in the case of |
403 |
existing diseases. */ |
404 |
|
405 |
int |
406 |
do_symptoms (object *disease) |
407 |
{ |
408 |
object *symptom; |
409 |
object *victim; |
410 |
object *tmp; |
411 |
|
412 |
victim = disease->env; |
413 |
|
414 |
/* This is a quick hack - for whatever reason, disease->env will point |
415 |
* back to disease, causing endless loops. Why this happens really needs |
416 |
* to be found, but this should at least prevent the infinite loops. |
417 |
*/ |
418 |
|
419 |
if (victim == NULL || victim == disease) |
420 |
return 0; /* no-one to inflict symptoms on */ |
421 |
|
422 |
symptom = find_symptom (disease); |
423 |
if (symptom == NULL) |
424 |
{ |
425 |
/* no symptom? need to generate one! */ |
426 |
object *new_symptom; |
427 |
|
428 |
/* first check and see if the carrier of the disease is immune. If so, no symptoms! */ |
429 |
if (!is_susceptible_to_disease (victim, disease)) |
430 |
return 0; |
431 |
|
432 |
/* check for an actual immunity */ |
433 |
/* do an immunity check */ |
434 |
if (victim->head) |
435 |
tmp = victim->head->inv; |
436 |
else |
437 |
tmp = victim->inv; |
438 |
|
439 |
for ( /* tmp initialized in if, above */ ; tmp; tmp = tmp->below) |
440 |
{ |
441 |
if (tmp->type == SIGN) /* possibly an immunity, or diseased */ |
442 |
if (!strcmp (tmp->name, disease->name) && tmp->level >= disease->level) |
443 |
return 0; /*Immune! */ |
444 |
} |
445 |
|
446 |
new_symptom = get_archetype (ARCH_SYMPTOM); |
447 |
|
448 |
/* Something special done with dam. We want diseases to be more |
449 |
* random in what they'll kill, so we'll make the damage they |
450 |
* do random, note, this has a weird effect with progressive diseases. |
451 |
*/ |
452 |
if (disease->stats.dam != 0) |
453 |
{ |
454 |
int dam = disease->stats.dam; |
455 |
|
456 |
/* reduce the damage, on average, 50%, and making things random. */ |
457 |
|
458 |
dam = random_roll (1, FABS (dam), victim, PREFER_LOW); |
459 |
if (disease->stats.dam < 0) |
460 |
dam = -dam; |
461 |
new_symptom->stats.dam = dam; |
462 |
} |
463 |
|
464 |
|
465 |
new_symptom->stats.maxsp = disease->stats.maxsp; |
466 |
new_symptom->stats.food = new_symptom->stats.maxgrace; |
467 |
|
468 |
new_symptom->name = new_symptom->name_pl = disease->name; |
469 |
|
470 |
new_symptom->level = disease->level; |
471 |
new_symptom->speed = disease->speed; |
472 |
new_symptom->value = 0; |
473 |
new_symptom->stats.Str = disease->stats.Str; |
474 |
new_symptom->stats.Dex = disease->stats.Dex; |
475 |
new_symptom->stats.Con = disease->stats.Con; |
476 |
new_symptom->stats.Wis = disease->stats.Wis; |
477 |
new_symptom->stats.Int = disease->stats.Int; |
478 |
new_symptom->stats.Pow = disease->stats.Pow; |
479 |
new_symptom->stats.Cha = disease->stats.Cha; |
480 |
new_symptom->stats.sp = disease->stats.sp; |
481 |
new_symptom->stats.food = disease->last_eat; |
482 |
new_symptom->stats.maxsp = disease->stats.maxsp; |
483 |
new_symptom->last_sp = disease->last_sp; |
484 |
new_symptom->stats.exp = 0; |
485 |
new_symptom->stats.hp = disease->stats.hp; |
486 |
new_symptom->msg = disease->msg; |
487 |
new_symptom->attacktype = disease->attacktype; |
488 |
new_symptom->other_arch = disease->other_arch; |
489 |
|
490 |
set_owner (new_symptom, disease->owner); |
491 |
|
492 |
if (new_symptom->skill != disease->skill) |
493 |
new_symptom->skill = disease->skill; |
494 |
|
495 |
new_symptom->move_block = 0; |
496 |
insert_ob_in_ob (new_symptom, victim); |
497 |
return 1; |
498 |
} |
499 |
|
500 |
/* now deal with progressing diseases: we increase the debility |
501 |
* caused by the symptoms. |
502 |
*/ |
503 |
|
504 |
if (disease->stats.ac != 0) |
505 |
{ |
506 |
float scale; |
507 |
|
508 |
symptom->value += disease->stats.ac; |
509 |
scale = 1.0 + symptom->value / 100.0; |
510 |
/* now rescale all the debilities */ |
511 |
symptom->stats.Str = (int) (scale * disease->stats.Str); |
512 |
symptom->stats.Dex = (int) (scale * disease->stats.Dex); |
513 |
symptom->stats.Con = (int) (scale * disease->stats.Con); |
514 |
symptom->stats.Wis = (int) (scale * disease->stats.Wis); |
515 |
symptom->stats.Int = (int) (scale * disease->stats.Int); |
516 |
symptom->stats.Pow = (int) (scale * disease->stats.Pow); |
517 |
symptom->stats.Cha = (int) (scale * disease->stats.Cha); |
518 |
symptom->stats.dam = (int) (scale * disease->stats.dam); |
519 |
symptom->stats.sp = (int) (scale * disease->stats.sp); |
520 |
symptom->stats.food = (int) (scale * disease->last_eat); |
521 |
symptom->stats.maxsp = (int) (scale * disease->stats.maxsp); |
522 |
symptom->last_sp = (int) (scale * disease->last_sp); |
523 |
symptom->stats.exp = 0; |
524 |
symptom->stats.hp = (int) (scale * disease->stats.hp); |
525 |
symptom->msg = disease->msg; |
526 |
symptom->attacktype = disease->attacktype; |
527 |
symptom->other_arch = disease->other_arch; |
528 |
} |
529 |
SET_FLAG (symptom, FLAG_APPLIED); |
530 |
fix_player (victim); |
531 |
return 1; |
532 |
} |
533 |
|
534 |
|
535 |
/* grants immunity to plagues we've seen before. */ |
536 |
int |
537 |
grant_immunity (object *disease) |
538 |
{ |
539 |
object *immunity; |
540 |
object *walk; |
541 |
|
542 |
/* Don't give immunity to this disease if last_heal is set. */ |
543 |
if (disease->last_heal) |
544 |
return 0; |
545 |
/* first, search for an immunity of the same name */ |
546 |
for (walk = disease->env->inv; walk; walk = walk->below) |
547 |
{ |
548 |
if (walk->type == 98 && !strcmp (disease->name, walk->name)) |
549 |
{ |
550 |
walk->level = disease->level; |
551 |
return 1; /* just update the existing immunity. */ |
552 |
} |
553 |
} |
554 |
immunity = get_archetype ("immunity"); |
555 |
immunity->name = disease->name; |
556 |
immunity->level = disease->level; |
557 |
immunity->move_block = 0; |
558 |
insert_ob_in_ob (immunity, disease->env); |
559 |
return 1; |
560 |
|
561 |
} |
562 |
|
563 |
|
564 |
/* make the symptom do the nasty things it does */ |
565 |
|
566 |
int |
567 |
move_symptom (object *symptom) |
568 |
{ |
569 |
object *victim = symptom->env; |
570 |
object *new_ob; |
571 |
int sp_reduce; |
572 |
|
573 |
if (victim == NULL || victim->map == NULL) |
574 |
{ /* outside a monster/player, die immediately */ |
575 |
remove_ob (symptom); |
576 |
free_object (symptom); |
577 |
return 0; |
578 |
} |
579 |
|
580 |
if (symptom->stats.dam > 0) |
581 |
hit_player (victim, symptom->stats.dam, symptom, symptom->attacktype, 1); |
582 |
else |
583 |
hit_player (victim, (int) MAX (1, -victim->stats.maxhp * symptom->stats.dam / 100.0), symptom, symptom->attacktype, 1); |
584 |
|
585 |
if (symptom->stats.maxsp > 0) |
586 |
sp_reduce = symptom->stats.maxsp; |
587 |
else |
588 |
sp_reduce = (int) MAX (1, victim->stats.maxsp * symptom->stats.maxsp / 100.0); |
589 |
victim->stats.sp = MAX (0, victim->stats.sp - sp_reduce); |
590 |
|
591 |
/* create the symptom "other arch" object and drop it here |
592 |
* under every part of the monster |
593 |
* The victim may well have died. |
594 |
*/ |
595 |
|
596 |
if (victim->map == NULL) |
597 |
return 0; |
598 |
if (symptom->other_arch) |
599 |
{ |
600 |
object *tmp; |
601 |
|
602 |
tmp = victim; |
603 |
if (tmp->head != NULL) |
604 |
tmp = tmp->head; |
605 |
for ( /*tmp initialized above */ ; tmp != NULL; tmp = tmp->more) |
606 |
{ |
607 |
new_ob = arch_to_object (symptom->other_arch); |
608 |
new_ob->x = tmp->x; |
609 |
new_ob->y = tmp->y; |
610 |
new_ob->map = victim->map; |
611 |
insert_ob_in_map (new_ob, victim->map, victim, 0); |
612 |
} |
613 |
} |
614 |
new_draw_info (NDI_UNIQUE | NDI_RED, 0, victim, symptom->msg); |
615 |
|
616 |
return 1; |
617 |
} |
618 |
|
619 |
|
620 |
/* possibly infect due to direct physical contact |
621 |
i.e., AT_PHYSICAL-- called from "hit_player_attacktype" */ |
622 |
|
623 |
int |
624 |
check_physically_infect (object *victim, object *hitter) |
625 |
{ |
626 |
object *walk; |
627 |
|
628 |
/* search for diseases, give every disease a chance to infect */ |
629 |
for (walk = hitter->inv; walk != NULL; walk = walk->below) |
630 |
if (walk->type == DISEASE) |
631 |
infect_object (victim, walk, 0); |
632 |
return 1; |
633 |
} |
634 |
|
635 |
/* find a disease in someone*/ |
636 |
object * |
637 |
find_disease (object *victim) |
638 |
{ |
639 |
object *walk; |
640 |
|
641 |
for (walk = victim->inv; walk; walk = walk->below) |
642 |
if (walk->type == DISEASE) |
643 |
return walk; |
644 |
return NULL; |
645 |
} |
646 |
|
647 |
/* do the cure disease stuff, from the spell "cure disease" */ |
648 |
|
649 |
int |
650 |
cure_disease (object *sufferer, object *caster) |
651 |
{ |
652 |
object *disease, *next; |
653 |
int casting_level; |
654 |
int cure = 0; |
655 |
|
656 |
if (caster) |
657 |
casting_level = caster->level; |
658 |
else |
659 |
casting_level = 1000; /* if null caster, CURE all. */ |
660 |
|
661 |
for (disease = sufferer->inv; disease; disease = next) |
662 |
{ |
663 |
next = disease->below; |
664 |
|
665 |
if (disease->type == DISEASE) |
666 |
{ /* attempt to cure this disease */ |
667 |
/* If caster lvel is higher than disease level, cure chance |
668 |
* is automatic. If lower, then the chance is basically |
669 |
* 1 in level_diff - if there is a 5 level difference, chance |
670 |
* is 1 in 5. |
671 |
*/ |
672 |
if ((casting_level >= disease->level) || (!(random_roll (0, (disease->level - casting_level - 1), caster, PREFER_LOW)))) |
673 |
{ |
674 |
|
675 |
remove_symptoms (disease); |
676 |
remove_ob (disease); |
677 |
cure = 1; |
678 |
if (caster) |
679 |
change_exp (caster, disease->stats.exp, caster->chosen_skill ? &caster->chosen_skill->skill : (const char *) 0, 0); |
680 |
free_object (disease); |
681 |
} |
682 |
} |
683 |
} |
684 |
if (cure) |
685 |
{ |
686 |
/* Only draw these messages once */ |
687 |
if (caster) |
688 |
new_draw_info_format (NDI_UNIQUE, 0, caster, "You cure a disease!"); |
689 |
new_draw_info (NDI_UNIQUE, 0, sufferer, "You no longer feel diseased."); |
690 |
} |
691 |
return 1; |
692 |
} |
693 |
|
694 |
/* reduces disease progression: reduce_symptoms |
695 |
* return true if we actually reduce a disease. |
696 |
*/ |
697 |
|
698 |
int |
699 |
reduce_symptoms (object *sufferer, int reduction) |
700 |
{ |
701 |
object *walk; |
702 |
int success = 0; |
703 |
|
704 |
for (walk = sufferer->inv; walk; walk = walk->below) |
705 |
{ |
706 |
if (walk->type == SYMPTOM) |
707 |
{ |
708 |
if (walk->value > 0) |
709 |
{ |
710 |
success = 1; |
711 |
walk->value = MAX (0, walk->value - 2 * reduction); |
712 |
/* give the disease time to modify this symptom, |
713 |
* and reduce its severity. */ |
714 |
walk->speed_left = 0; |
715 |
} |
716 |
} |
717 |
} |
718 |
if (success) |
719 |
new_draw_info (NDI_UNIQUE, 0, sufferer, "Your illness seems less severe."); |
720 |
return success; |
721 |
} |