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qzdoom/src/p_interaction.cpp
Randy Heit 814cb4d135 - Move NULL player check earlier in P_PoisonDamage, before player is accessed. 
SVN r4016 (trunk)
2013-01-03 03:05:44 +00:00

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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// $Log:$
//
// DESCRIPTION:
// Handling interactions (i.e., collisions).
//
//-----------------------------------------------------------------------------
// Data.
#include "doomdef.h"
#include "gstrings.h"
#include "doomstat.h"
#include "m_random.h"
#include "i_system.h"
#include "announcer.h"
#include "am_map.h"
#include "c_console.h"
#include "c_dispatch.h"
#include "p_local.h"
#include "p_lnspec.h"
#include "p_effect.h"
#include "p_acs.h"
#include "b_bot.h" //Added by MC:
#include "ravenshared.h"
#include "a_hexenglobal.h"
#include "a_sharedglobal.h"
#include "a_pickups.h"
#include "gi.h"
#include "templates.h"
#include "sbar.h"
#include "s_sound.h"
#include "g_level.h"
#include "d_net.h"
#include "d_netinf.h"
static FRandom pr_obituary ("Obituary");
static FRandom pr_botrespawn ("BotRespawn");
static FRandom pr_killmobj ("ActorDie");
static FRandom pr_damagemobj ("ActorTakeDamage");
static FRandom pr_lightning ("LightningDamage");
static FRandom pr_poison ("PoisonDamage");
static FRandom pr_switcher ("SwitchTarget");
CVAR (Bool, cl_showsprees, true, CVAR_ARCHIVE)
CVAR (Bool, cl_showmultikills, true, CVAR_ARCHIVE)
EXTERN_CVAR (Bool, show_obituaries)
FName MeansOfDeath;
bool FriendlyFire;
//
// GET STUFF
//
//
// P_TouchSpecialThing
//
void P_TouchSpecialThing (AActor *special, AActor *toucher)
{
fixed_t delta = special->z - toucher->z;
// The pickup is at or above the toucher's feet OR
// The pickup is below the toucher.
if (delta > toucher->height || delta < MIN(-32*FRACUNIT, -special->height))
{ // out of reach
return;
}
// Dead thing touching.
// Can happen with a sliding player corpse.
if (toucher->health <= 0)
return;
//Added by MC: Finished with this destination.
if (toucher->player != NULL && toucher->player->isbot && special == toucher->player->dest)
{
toucher->player->prev = toucher->player->dest;
toucher->player->dest = NULL;
}
special->Touch (toucher);
}
// [RH]
// SexMessage: Replace parts of strings with gender-specific pronouns
//
// The following expansions are performed:
// %g -> he/she/it
// %h -> him/her/it
// %p -> his/her/its
// %o -> other (victim)
// %k -> killer
//
void SexMessage (const char *from, char *to, int gender, const char *victim, const char *killer)
{
static const char *genderstuff[3][3] =
{
{ "he", "him", "his" },
{ "she", "her", "her" },
{ "it", "it", "its" }
};
static const int gendershift[3][3] =
{
{ 2, 3, 3 },
{ 3, 3, 3 },
{ 2, 2, 3 }
};
const char *subst = NULL;
do
{
if (*from != '%')
{
*to++ = *from;
}
else
{
int gendermsg = -1;
switch (from[1])
{
case 'g': gendermsg = 0; break;
case 'h': gendermsg = 1; break;
case 'p': gendermsg = 2; break;
case 'o': subst = victim; break;
case 'k': subst = killer; break;
}
if (subst != NULL)
{
size_t len = strlen (subst);
memcpy (to, subst, len);
to += len;
from++;
subst = NULL;
}
else if (gendermsg < 0)
{
*to++ = '%';
}
else
{
strcpy (to, genderstuff[gender][gendermsg]);
to += gendershift[gender][gendermsg];
from++;
}
}
} while (*from++);
}
// [RH]
// ClientObituary: Show a message when a player dies
//
void ClientObituary (AActor *self, AActor *inflictor, AActor *attacker, int dmgflags)
{
FName mod;
const char *message;
const char *messagename;
char gendermessage[1024];
bool friendly;
int gender;
// No obituaries for non-players, voodoo dolls or when not wanted
if (self->player == NULL || self->player->mo != self || !show_obituaries)
return;
gender = self->player->userinfo.gender;
// Treat voodoo dolls as unknown deaths
if (inflictor && inflictor->player && inflictor->player->mo != inflictor)
MeansOfDeath = NAME_None;
if (multiplayer && !deathmatch)
FriendlyFire = true;
friendly = FriendlyFire;
mod = MeansOfDeath;
message = NULL;
messagename = NULL;
if (attacker == NULL || attacker->player != NULL)
{
if (mod == NAME_Telefrag)
{
if (AnnounceTelefrag (attacker, self))
return;
}
else
{
if (AnnounceKill (attacker, self))
return;
}
}
switch (mod)
{
case NAME_Suicide: messagename = "OB_SUICIDE"; break;
case NAME_Falling: messagename = "OB_FALLING"; break;
case NAME_Crush: messagename = "OB_CRUSH"; break;
case NAME_Exit: messagename = "OB_EXIT"; break;
case NAME_Drowning: messagename = "OB_WATER"; break;
case NAME_Slime: messagename = "OB_SLIME"; break;
case NAME_Fire: if (attacker == NULL) messagename = "OB_LAVA"; break;
}
// Check for being killed by a voodoo doll.
if (inflictor && inflictor->player && inflictor->player->mo != inflictor)
{
messagename = "OB_VOODOO";
}
if (messagename != NULL)
message = GStrings(messagename);
if (attacker != NULL && message == NULL)
{
if (attacker == self)
{
message = GStrings("OB_KILLEDSELF");
}
else if (attacker->player == NULL)
{
if (mod == NAME_Telefrag)
{
message = GStrings("OB_MONTELEFRAG");
}
else if (mod == NAME_Melee)
{
message = attacker->GetClass()->Meta.GetMetaString (AMETA_HitObituary);
if (message == NULL)
{
message = attacker->GetClass()->Meta.GetMetaString (AMETA_Obituary);
}
}
else
{
message = attacker->GetClass()->Meta.GetMetaString (AMETA_Obituary);
}
}
}
if (message == NULL && attacker != NULL && attacker->player != NULL)
{
if (friendly)
{
attacker->player->fragcount -= 2;
attacker->player->frags[attacker->player - players]++;
self = attacker;
gender = self->player->userinfo.gender;
mysnprintf (gendermessage, countof(gendermessage), "OB_FRIENDLY%c", '1' + (pr_obituary() & 3));
message = GStrings(gendermessage);
}
else
{
if (mod == NAME_Telefrag) message = GStrings("OB_MPTELEFRAG");
if (message == NULL)
{
if (inflictor != NULL)
{
message = inflictor->GetClass()->Meta.GetMetaString (AMETA_Obituary);
}
if (message == NULL && (dmgflags & DMG_PLAYERATTACK) && attacker->player->ReadyWeapon != NULL)
{
message = attacker->player->ReadyWeapon->GetClass()->Meta.GetMetaString (AMETA_Obituary);
}
if (message == NULL)
{
switch (mod)
{
case NAME_BFGSplash: messagename = "OB_MPBFG_SPLASH"; break;
case NAME_Railgun: messagename = "OB_RAILGUN"; break;
}
if (messagename != NULL)
message = GStrings(messagename);
}
if (message == NULL)
{
message = attacker->GetClass()->Meta.GetMetaString (AMETA_Obituary);
}
}
}
}
else attacker = self; // for the message creation
if (message != NULL && message[0] == '$')
{
message = GStrings[message+1];
}
if (message == NULL)
{
message = GStrings("OB_DEFAULT");
}
SexMessage (message, gendermessage, gender,
self->player->userinfo.netname, attacker->player->userinfo.netname);
Printf (PRINT_MEDIUM, "%s\n", gendermessage);
}
//
// KillMobj
//
EXTERN_CVAR (Int, fraglimit)
void AActor::Die (AActor *source, AActor *inflictor, int dmgflags)
{
// Handle possible unmorph on death
bool wasgibbed = (health < GibHealth());
AActor *realthis = NULL;
int realstyle = 0;
int realhealth = 0;
if (P_MorphedDeath(this, &realthis, &realstyle, &realhealth))
{
if (!(realstyle & MORPH_UNDOBYDEATHSAVES))
{
if (wasgibbed)
{
int realgibhealth = realthis->GibHealth();
if (realthis->health >= realgibhealth)
{
realthis->health = realgibhealth -1; // if morphed was gibbed, so must original be (where allowed)
}
}
realthis->Die(source, inflictor, dmgflags);
}
return;
}
// [SO] 9/2/02 -- It's rather funny to see an exploded player body with the invuln sparkle active :)
effects &= ~FX_RESPAWNINVUL;
//flags &= ~MF_INVINCIBLE;
if (debugfile && this->player)
{
static int dieticks[MAXPLAYERS];
int pnum = int(this->player-players);
if (dieticks[pnum] == gametic)
gametic=gametic;
dieticks[pnum] = gametic;
fprintf (debugfile, "died (%d) on tic %d (%s)\n", pnum, gametic,
this->player->cheats&CF_PREDICTING?"predicting":"real");
}
// [RH] Notify this actor's items.
for (AInventory *item = Inventory; item != NULL; )
{
AInventory *next = item->Inventory;
item->OwnerDied();
item = next;
}
if (flags & MF_MISSILE)
{ // [RH] When missiles die, they just explode
P_ExplodeMissile (this, NULL, NULL);
return;
}
// [RH] Set the target to the thing that killed it. Strife apparently does this.
if (source != NULL)
{
target = source;
}
flags &= ~(MF_SHOOTABLE|MF_FLOAT|MF_SKULLFLY);
if (!(flags4 & MF4_DONTFALL)) flags&=~MF_NOGRAVITY;
flags |= MF_DROPOFF;
if ((flags3 & MF3_ISMONSTER) || FindState(NAME_Raise) != NULL || IsKindOf(RUNTIME_CLASS(APlayerPawn)))
{ // [RH] Only monsters get to be corpses.
// Objects with a raise state should get the flag as well so they can
// be revived by an Arch-Vile. Batman Doom needs this.
// [RC] And disable this if DONTCORPSE is set, of course.
if(!(flags6 & MF6_DONTCORPSE)) flags |= MF_CORPSE;
}
flags6 |= MF6_KILLED;
// [RH] Allow the death height to be overridden using metadata.
fixed_t metaheight = 0;
if (DamageType == NAME_Fire)
{
metaheight = GetClass()->Meta.GetMetaFixed (AMETA_BurnHeight);
}
if (metaheight == 0)
{
metaheight = GetClass()->Meta.GetMetaFixed (AMETA_DeathHeight);
}
if (metaheight != 0)
{
height = MAX<fixed_t> (metaheight, 0);
}
else
{
height >>= 2;
}
// [RH] If the thing has a special, execute and remove it
// Note that the thing that killed it is considered
// the activator of the script.
// New: In Hexen, the thing that died is the activator,
// so now a level flag selects who the activator gets to be.
// Everything is now moved to P_ActivateThingSpecial().
if (special && (!(flags & MF_SPECIAL) || (flags3 & MF3_ISMONSTER))
&& !(activationtype & THINGSPEC_NoDeathSpecial))
{
P_ActivateThingSpecial(this, source, true);
}
if (CountsAsKill())
level.killed_monsters++;
if (source && source->player)
{
if (CountsAsKill())
{ // count for intermission
source->player->killcount++;
}
// Don't count any frags at level start, because they're just telefrags
// resulting from insufficient deathmatch starts, and it wouldn't be
// fair to count them toward a player's score.
if (player && level.maptime)
{
source->player->frags[player - players]++;
if (player == source->player) // [RH] Cumulative frag count
{
char buff[256];
player->fragcount--;
if (deathmatch && player->spreecount >= 5 && cl_showsprees)
{
SexMessage (GStrings("SPREEKILLSELF"), buff,
player->userinfo.gender, player->userinfo.netname,
player->userinfo.netname);
StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
1.5f, 0.2f, 0, 0, CR_WHITE, 3.f, 0.5f), MAKE_ID('K','S','P','R'));
}
}
else
{
if ((dmflags2 & DF2_YES_LOSEFRAG) && deathmatch)
player->fragcount--;
++source->player->fragcount;
++source->player->spreecount;
if (source->player->morphTics)
{ // Make a super chicken
source->GiveInventoryType (RUNTIME_CLASS(APowerWeaponLevel2));
}
if (deathmatch && cl_showsprees)
{
const char *spreemsg;
char buff[256];
switch (source->player->spreecount)
{
case 5:
spreemsg = GStrings("SPREE5");
break;
case 10:
spreemsg = GStrings("SPREE10");
break;
case 15:
spreemsg = GStrings("SPREE15");
break;
case 20:
spreemsg = GStrings("SPREE20");
break;
case 25:
spreemsg = GStrings("SPREE25");
break;
default:
spreemsg = NULL;
break;
}
if (spreemsg == NULL && player->spreecount >= 5)
{
if (!AnnounceSpreeLoss (this))
{
SexMessage (GStrings("SPREEOVER"), buff, player->userinfo.gender,
player->userinfo.netname, source->player->userinfo.netname);
StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
1.5f, 0.2f, 0, 0, CR_WHITE, 3.f, 0.5f), MAKE_ID('K','S','P','R'));
}
}
else if (spreemsg != NULL)
{
if (!AnnounceSpree (source))
{
SexMessage (spreemsg, buff, player->userinfo.gender,
player->userinfo.netname, source->player->userinfo.netname);
StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
1.5f, 0.2f, 0, 0, CR_WHITE, 3.f, 0.5f), MAKE_ID('K','S','P','R'));
}
}
}
}
// [RH] Multikills
if (player != source->player)
{
source->player->multicount++;
if (source->player->lastkilltime > 0)
{
if (source->player->lastkilltime < level.time - 3*TICRATE)
{
source->player->multicount = 1;
}
if (deathmatch &&
source->CheckLocalView (consoleplayer) &&
cl_showmultikills)
{
const char *multimsg;
switch (source->player->multicount)
{
case 1:
multimsg = NULL;
break;
case 2:
multimsg = GStrings("MULTI2");
break;
case 3:
multimsg = GStrings("MULTI3");
break;
case 4:
multimsg = GStrings("MULTI4");
break;
default:
multimsg = GStrings("MULTI5");
break;
}
if (multimsg != NULL)
{
char buff[256];
if (!AnnounceMultikill (source))
{
SexMessage (multimsg, buff, player->userinfo.gender,
player->userinfo.netname, source->player->userinfo.netname);
StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
1.5f, 0.8f, 0, 0, CR_RED, 3.f, 0.5f), MAKE_ID('M','K','I','L'));
}
}
}
}
source->player->lastkilltime = level.time;
}
// [RH] Implement fraglimit
if (deathmatch && fraglimit &&
fraglimit <= D_GetFragCount (source->player))
{
Printf ("%s\n", GStrings("TXT_FRAGLIMIT"));
G_ExitLevel (0, false);
}
}
}
else if (!multiplayer && CountsAsKill())
{
// count all monster deaths,
// even those caused by other monsters
players[0].killcount++;
}
if (player)
{
// [RH] Death messages
ClientObituary (this, inflictor, source, dmgflags);
// Death script execution, care of Skull Tag
FBehavior::StaticStartTypedScripts (SCRIPT_Death, this, true);
// [RH] Force a delay between death and respawn
player->respawn_time = level.time + TICRATE;
//Added by MC: Respawn bots
if (bglobal.botnum && consoleplayer == Net_Arbitrator && !demoplayback)
{
if (player->isbot)
player->t_respawn = (pr_botrespawn()%15)+((bglobal.botnum-1)*2)+TICRATE+1;
//Added by MC: Discard enemies.
for (int i = 0; i < MAXPLAYERS; i++)
{
if (players[i].isbot && this == players[i].enemy)
{
if (players[i].dest == players[i].enemy)
players[i].dest = NULL;
players[i].enemy = NULL;
}
}
player->spreecount = 0;
player->multicount = 0;
}
// count environment kills against you
if (!source)
{
player->frags[player - players]++;
player->fragcount--; // [RH] Cumulative frag count
}
flags &= ~MF_SOLID;
player->playerstate = PST_DEAD;
P_DropWeapon (player);
if (this == players[consoleplayer].camera && automapactive)
{
// don't die in auto map, switch view prior to dying
AM_Stop ();
}
// [GRB] Clear extralight. When you killed yourself with weapon that
// called A_Light1/2 before it called A_Light0, extraligh remained.
player->extralight = 0;
}
// [RH] If this is the unmorphed version of another monster, destroy this
// actor, because the morphed version is the one that will stick around in
// the level.
if (flags & MF_UNMORPHED)
{
Destroy ();
return;
}
FState *diestate = NULL;
FName damagetype = (inflictor && inflictor->DeathType != NAME_None) ? inflictor->DeathType : DamageType;
if (damagetype != NAME_None)
{
diestate = FindState (NAME_Death, damagetype, true);
if (diestate == NULL)
{
if (damagetype == NAME_Ice)
{ // If an actor doesn't have an ice death, we can still give them a generic one.
if (!deh.NoAutofreeze && !(flags4 & MF4_NOICEDEATH) && (player || (flags3 & MF3_ISMONSTER)))
{
diestate = FindState(NAME_GenericFreezeDeath);
}
}
}
}
if (diestate == NULL)
{
int flags4 = inflictor == NULL ? 0 : inflictor->flags4;
int gibhealth = GibHealth();
// Don't pass on a damage type this actor cannot handle.
// (most importantly, prevent barrels from passing on ice damage.)
// Massacre must be preserved though.
if (damagetype != NAME_Massacre)
{
damagetype = NAME_None;
}
if ((health < gibhealth || flags4 & MF4_EXTREMEDEATH) && !(flags4 & MF4_NOEXTREMEDEATH))
{ // Extreme death
diestate = FindState (NAME_Death, NAME_Extreme, true);
// If a non-player, mark as extremely dead for the crash state.
if (diestate != NULL && player == NULL && health >= gibhealth)
{
health = gibhealth - 1;
}
// For players, mark the appropriate flag.
else if (player != NULL)
{
player->cheats |= CF_EXTREMELYDEAD;
}
}
if (diestate == NULL)
{ // Normal death
diestate = FindState (NAME_Death);
}
}
if (diestate != NULL)
{
SetState (diestate);
tics -= pr_killmobj() & 3;
if (tics < 1)
tics = 1;
}
else
{
Destroy();
}
}
//---------------------------------------------------------------------------
//
// PROC P_AutoUseHealth
//
//---------------------------------------------------------------------------
static int CountHealth(TArray<AInventory *> &Items)
{
int counted = 0;
for(unsigned i = 0; i < Items.Size(); i++)
{
counted += Items[i]->Amount * Items[i]->health;
}
return counted;
}
static int UseHealthItems(TArray<AInventory *> &Items, int &saveHealth)
{
int saved = 0;
while (Items.Size() > 0 && saveHealth > 0)
{
int maxhealth = 0;
int index = -1;
// Find the largest item in the list
for(unsigned i = 0; i < Items.Size(); i++)
{
if (Items[i]->health > maxhealth)
{
index = i;
maxhealth = Items[i]->health;
}
}
// Now apply the health items, using the same logic as Heretic and Hexen.
int count = (saveHealth + maxhealth-1) / maxhealth;
for(int i = 0; i < count; i++)
{
saved += maxhealth;
saveHealth -= maxhealth;
if (--Items[index]->Amount == 0)
{
if (!(Items[index]->ItemFlags & IF_KEEPDEPLETED))
{
Items[index]->Destroy ();
}
Items.Delete(index);
break;
}
}
}
return saved;
}
void P_AutoUseHealth(player_t *player, int saveHealth)
{
TArray<AInventory *> NormalHealthItems;
TArray<AInventory *> LargeHealthItems;
for(AInventory *inv = player->mo->Inventory; inv != NULL; inv = inv->Inventory)
{
if (inv->Amount > 0 && inv->IsKindOf(RUNTIME_CLASS(AHealthPickup)))
{
int mode = static_cast<AHealthPickup*>(inv)->autousemode;
if (mode == 1) NormalHealthItems.Push(inv);
else if (mode == 2) LargeHealthItems.Push(inv);
}
}
int normalhealth = CountHealth(NormalHealthItems);
int largehealth = CountHealth(LargeHealthItems);
bool skilluse = !!G_SkillProperty(SKILLP_AutoUseHealth);
if (skilluse && normalhealth >= saveHealth)
{ // Use quartz flasks
player->health += UseHealthItems(NormalHealthItems, saveHealth);
}
else if (largehealth >= saveHealth)
{
// Use mystic urns
player->health += UseHealthItems(LargeHealthItems, saveHealth);
}
else if (skilluse && normalhealth + largehealth >= saveHealth)
{ // Use mystic urns and quartz flasks
player->health += UseHealthItems(NormalHealthItems, saveHealth);
if (saveHealth > 0) player->health += UseHealthItems(LargeHealthItems, saveHealth);
}
player->mo->health = player->health;
}
//============================================================================
//
// P_AutoUseStrifeHealth
//
//============================================================================
CVAR(Bool, sv_disableautohealth, false, CVAR_ARCHIVE|CVAR_SERVERINFO)
void P_AutoUseStrifeHealth (player_t *player)
{
TArray<AInventory *> Items;
for(AInventory *inv = player->mo->Inventory; inv != NULL; inv = inv->Inventory)
{
if (inv->Amount > 0 && inv->IsKindOf(RUNTIME_CLASS(AHealthPickup)))
{
int mode = static_cast<AHealthPickup*>(inv)->autousemode;
if (mode == 3) Items.Push(inv);
}
}
if (!sv_disableautohealth)
{
while (Items.Size() > 0)
{
int maxhealth = 0;
int index = -1;
// Find the largest item in the list
for(unsigned i = 0; i < Items.Size(); i++)
{
if (Items[i]->health > maxhealth)
{
index = i;
maxhealth = Items[i]->Amount;
}
}
while (player->health < 50)
{
if (!player->mo->UseInventory (Items[index]))
break;
}
if (player->health >= 50) return;
// Using all of this item was not enough so delete it and restart with the next best one
Items.Delete(index);
}
}
}
/*
=================
=
= P_DamageMobj
=
= Damages both enemies and players
= inflictor is the thing that caused the damage
= creature or missile, can be NULL (slime, etc)
= source is the thing to target after taking damage
= creature or NULL
= Source and inflictor are the same for melee attacks
= source can be null for barrel explosions and other environmental stuff
==================
*/
static inline bool MustForcePain(AActor *target, AActor *inflictor)
{
return (!(target->flags5 & MF5_NOPAIN) && inflictor != NULL &&
(inflictor->flags6 & MF6_FORCEPAIN) && !(inflictor->flags5 & MF5_PAINLESS));
}
// Returns the amount of damage actually inflicted upon the target, or -1 if
// the damage was cancelled.
int P_DamageMobj (AActor *target, AActor *inflictor, AActor *source, int damage, FName mod, int flags)
{
unsigned ang;
player_t *player = NULL;
fixed_t thrust;
int temp;
int painchance = 0;
FState * woundstate = NULL;
PainChanceList * pc = NULL;
bool justhit = false;
if (target == NULL || !((target->flags & MF_SHOOTABLE) || (target->flags6 & MF6_VULNERABLE)))
{ // Shouldn't happen
return -1;
}
// Spectral targets only take damage from spectral projectiles.
if (target->flags4 & MF4_SPECTRAL && damage < TELEFRAG_DAMAGE)
{
if (inflictor == NULL || !(inflictor->flags4 & MF4_SPECTRAL))
{
return -1;
}
}
if (target->health <= 0)
{
if (inflictor && mod == NAME_Ice)
{
return -1;
}
else if (target->flags & MF_ICECORPSE) // frozen
{
target->tics = 1;
target->flags6 |= MF6_SHATTERING;
target->velx = target->vely = target->velz = 0;
}
return -1;
}
if ((target->flags2 & MF2_INVULNERABLE) && damage < TELEFRAG_DAMAGE && !(flags & DMG_FORCED))
{ // actor is invulnerable
if (target->player == NULL)
{
if (inflictor == NULL || !(inflictor->flags3 & MF3_FOILINVUL))
{
return -1;
}
}
else
{
// Players are optionally excluded from getting thrust by damage.
if (static_cast<APlayerPawn *>(target)->PlayerFlags & PPF_NOTHRUSTWHENINVUL)
{
return -1;
}
}
}
if (inflictor != NULL)
{
if (inflictor->flags5 & MF5_PIERCEARMOR)
flags |= DMG_NO_ARMOR;
}
MeansOfDeath = mod;
FriendlyFire = false;
// [RH] Andy Baker's Stealth monsters
if (target->flags & MF_STEALTH)
{
target->alpha = OPAQUE;
target->visdir = -1;
}
if (target->flags & MF_SKULLFLY)
{
target->velx = target->vely = target->velz = 0;
}
if (!(flags & DMG_FORCED)) // DMG_FORCED skips all special damage checks
{
if (target->flags2 & MF2_DORMANT)
{
// Invulnerable, and won't wake up
return -1;
}
player = target->player;
if (player && damage > 1 && damage < TELEFRAG_DAMAGE)
{
// Take half damage in trainer mode
damage = FixedMul(damage, G_SkillProperty(SKILLP_DamageFactor));
}
// Special damage types
if (inflictor)
{
if (inflictor->flags4 & MF4_SPECTRAL)
{
if (player != NULL)
{
if (!deathmatch && inflictor->FriendPlayer > 0)
return -1;
}
else if (target->flags4 & MF4_SPECTRAL)
{
if (inflictor->FriendPlayer == 0 && !target->IsHostile(inflictor))
return -1;
}
}
damage = inflictor->DoSpecialDamage (target, damage, mod);
if (damage == -1)
{
return -1;
}
}
// Handle active damage modifiers (e.g. PowerDamage)
if (source != NULL && source->Inventory != NULL)
{
int olddam = damage;
source->Inventory->ModifyDamage(olddam, mod, damage, false);
if (olddam != damage && damage <= 0)
{ // Still allow FORCEPAIN
if (MustForcePain(target, inflictor))
{
goto dopain;
}
return -1;
}
}
// Handle passive damage modifiers (e.g. PowerProtection)
if (target->Inventory != NULL)
{
int olddam = damage;
target->Inventory->ModifyDamage(olddam, mod, damage, true);
if (olddam != damage && damage <= 0)
{ // Still allow FORCEPAIN
if (MustForcePain(target, inflictor))
{
goto dopain;
}
return -1;
}
}
if (!(flags & DMG_NO_FACTOR))
{
damage = FixedMul(damage, target->DamageFactor);
if (damage >= 0)
{
damage = DamageTypeDefinition::ApplyMobjDamageFactor(damage, mod, target->GetClass()->ActorInfo->DamageFactors);
}
if (damage <= 0)
{ // Still allow FORCEPAIN
if (MustForcePain(target, inflictor))
{
goto dopain;
}
return -1;
}
}
damage = target->TakeSpecialDamage (inflictor, source, damage, mod);
}
if (damage == -1)
{
return -1;
}
// Push the target unless the source's weapon's kickback is 0.
// (i.e. Gauntlets/Chainsaw)
if (inflictor && inflictor != target // [RH] Not if hurting own self
&& !(target->flags & MF_NOCLIP)
&& !(inflictor->flags2 & MF2_NODMGTHRUST)
&& !(flags & DMG_THRUSTLESS)
&& (source == NULL || source->player == NULL || !(source->flags2 & MF2_NODMGTHRUST)))
{
int kickback;
if (inflictor && inflictor->projectileKickback)
kickback = inflictor->projectileKickback;
else if (!source || !source->player || !source->player->ReadyWeapon)
kickback = gameinfo.defKickback;
else
kickback = source->player->ReadyWeapon->Kickback;
if (kickback)
{
AActor *origin = (source && (flags & DMG_INFLICTOR_IS_PUFF))? source : inflictor;
ang = R_PointToAngle2 (origin->x, origin->y,
target->x, target->y);
// Calculate this as float to avoid overflows so that the
// clamping that had to be done here can be removed.
double fltthrust;
fltthrust = mod == NAME_MDK ? 10 : 32;
if (target->Mass > 0)
{
fltthrust = clamp((damage * 0.125 * kickback) / target->Mass, 0., fltthrust);
}
thrust = FLOAT2FIXED(fltthrust);
// Don't apply ultra-small damage thrust
if (thrust < FRACUNIT/100) thrust = 0;
// make fall forwards sometimes
if ((damage < 40) && (damage > target->health)
&& (target->z - origin->z > 64*FRACUNIT)
&& (pr_damagemobj()&1)
// [RH] But only if not too fast and not flying
&& thrust < 10*FRACUNIT
&& !(target->flags & MF_NOGRAVITY))
{
ang += ANG180;
thrust *= 4;
}
ang >>= ANGLETOFINESHIFT;
if (source && source->player && (flags & DMG_INFLICTOR_IS_PUFF)
&& source->player->ReadyWeapon != NULL &&
(source->player->ReadyWeapon->WeaponFlags & WIF_STAFF2_KICKBACK))
{
// Staff power level 2
target->velx += FixedMul (10*FRACUNIT, finecosine[ang]);
target->vely += FixedMul (10*FRACUNIT, finesine[ang]);
if (!(target->flags & MF_NOGRAVITY))
{
target->velz += 5*FRACUNIT;
}
}
else
{
target->velx += FixedMul (thrust, finecosine[ang]);
target->vely += FixedMul (thrust, finesine[ang]);
}
}
}
// [RH] Avoid friendly fire if enabled
if (!(flags & DMG_FORCED) && source != NULL &&
((player && player != source->player) || (!player && target != source)) &&
target->IsTeammate (source))
{
if (player)
FriendlyFire = true;
if (damage < TELEFRAG_DAMAGE)
{ // Still allow telefragging :-(
damage = (int)((float)damage * level.teamdamage);
if (damage <= 0)
return damage;
}
}
//
// player specific
//
if (player)
{
//Added by MC: Lets bots look allround for enemies if they survive an ambush.
if (player->isbot)
{
player->allround = true;
}
// end of game hell hack
if ((target->Sector->special & 255) == dDamage_End
&& damage >= target->health)
{
damage = target->health - 1;
}
if (!(flags & DMG_FORCED))
{
// check the real player, not a voodoo doll here for invulnerability effects
if (damage < TELEFRAG_DAMAGE && ((player->mo->flags2 & MF2_INVULNERABLE) ||
(player->cheats & CF_GODMODE)))
{ // player is invulnerable, so don't hurt him
return -1;
}
if (!(flags & DMG_NO_ARMOR) && player->mo->Inventory != NULL)
{
int newdam = damage;
player->mo->Inventory->AbsorbDamage (damage, mod, newdam);
damage = newdam;
if (damage <= 0)
{
// If MF6_FORCEPAIN is set, make the player enter the pain state.
if (!(target->flags5 & MF5_NOPAIN) && inflictor != NULL &&
(inflictor->flags6 & MF6_FORCEPAIN) && !(inflictor->flags5 & MF5_PAINLESS))
{
goto dopain;
}
return damage;
}
}
if (damage >= player->health
&& (G_SkillProperty(SKILLP_AutoUseHealth) || deathmatch)
&& !player->morphTics)
{ // Try to use some inventory health
P_AutoUseHealth (player, damage - player->health + 1);
}
}
player->health -= damage; // mirror mobj health here for Dave
// [RH] Make voodoo dolls and real players record the same health
target->health = player->mo->health -= damage;
if (player->health < 50 && !deathmatch && !(flags & DMG_FORCED))
{
P_AutoUseStrifeHealth (player);
player->mo->health = player->health;
}
if (player->health <= 0)
{
// [SP] Buddha cheat: if the player is about to die, rescue him to 1 health.
// This does not save the player if damage >= TELEFRAG_DAMAGE, still need to
// telefrag him right? ;) (Unfortunately the damage is "absorbed" by armor,
// but telefragging should still do enough damage to kill the player)
if ((player->cheats & CF_BUDDHA) && damage < TELEFRAG_DAMAGE)
{
// If this is a voodoo doll we need to handle the real player as well.
player->mo->health = target->health = player->health = 1;
}
else
{
player->health = 0;
}
}
player->LastDamageType = mod;
player->attacker = source;
player->damagecount += damage; // add damage after armor / invuln
if (player->damagecount > 100)
{
player->damagecount = 100; // teleport stomp does 10k points...
}
temp = damage < 100 ? damage : 100;
if (player == &players[consoleplayer])
{
I_Tactile (40,10,40+temp*2);
}
}
else
{
// Armor for monsters.
if (!(flags & (DMG_NO_ARMOR|DMG_FORCED)) && target->Inventory != NULL && damage > 0)
{
int newdam = damage;
target->Inventory->AbsorbDamage (damage, mod, newdam);
damage = newdam;
if (damage <= 0)
{
return damage;
}
}
target->health -= damage;
}
//
// the damage has been dealt; now deal with the consequences
//
target->DamageTypeReceived = mod;
// If the damaging player has the power of drain, give the player 50% of the damage
// done in health.
if ( source && source->player && source->player->cheats & CF_DRAIN)
{
if (!target->player || target->player != source->player)
{
if ( P_GiveBody( source, damage / 2 ))
{
S_Sound( source, CHAN_ITEM, "*drainhealth", 1, ATTN_NORM );
}
}
}
if (target->health <= 0)
{ // Death
target->special1 = damage;
// check for special fire damage or ice damage deaths
if (mod == NAME_Fire)
{
if (player && !player->morphTics)
{ // Check for flame death
if (!inflictor ||
((target->health > -50) && (damage > 25)) ||
!(inflictor->flags5 & MF5_SPECIALFIREDAMAGE))
{
target->DamageType = NAME_Fire;
}
}
else
{
target->DamageType = NAME_Fire;
}
}
else
{
target->DamageType = mod;
}
if (source && source->tracer && (source->flags5 & MF5_SUMMONEDMONSTER))
{ // Minotaur's kills go to his master
// Make sure still alive and not a pointer to fighter head
if (source->tracer->player && (source->tracer->player->mo == source->tracer))
{
source = source->tracer;
}
}
target->Die (source, inflictor, flags);
return damage;
}
woundstate = target->FindState(NAME_Wound, mod);
if (woundstate != NULL)
{
int woundhealth = RUNTIME_TYPE(target)->Meta.GetMetaInt (AMETA_WoundHealth, 6);
if (target->health <= woundhealth)
{
target->SetState (woundstate);
return damage;
}
}
if (!(target->flags5 & MF5_NOPAIN) && (inflictor == NULL || !(inflictor->flags5 & MF5_PAINLESS)) &&
(target->player != NULL || !G_SkillProperty(SKILLP_NoPain)) && !(target->flags & MF_SKULLFLY))
{
pc = target->GetClass()->ActorInfo->PainChances;
painchance = target->PainChance;
if (pc != NULL)
{
int *ppc = pc->CheckKey(mod);
if (ppc != NULL)
{
painchance = *ppc;
}
}
if ((damage >= target->PainThreshold && pr_damagemobj() < painchance) ||
(inflictor != NULL && (inflictor->flags6 & MF6_FORCEPAIN)))
{
dopain:
if (mod == NAME_Electric)
{
if (pr_lightning() < 96)
{
justhit = true;
FState *painstate = target->FindState(NAME_Pain, mod);
if (painstate != NULL)
target->SetState(painstate);
}
else
{ // "electrocute" the target
target->renderflags |= RF_FULLBRIGHT;
if ((target->flags3 & MF3_ISMONSTER) && pr_lightning() < 128)
{
target->Howl ();
}
}
}
else
{
justhit = true;
FState *painstate = target->FindState(NAME_Pain, ((inflictor && inflictor->PainType != NAME_None) ? inflictor->PainType : mod));
if (painstate != NULL)
target->SetState(painstate);
if (mod == NAME_PoisonCloud)
{
if ((target->flags3 & MF3_ISMONSTER) && pr_poison() < 128)
{
target->Howl ();
}
}
}
}
}
target->reactiontime = 0; // we're awake now...
if (source)
{
if (source == target->target)
{
target->threshold = BASETHRESHOLD;
if (target->state == target->SpawnState && target->SeeState != NULL)
{
target->SetState (target->SeeState);
}
}
else if (source != target->target && target->OkayToSwitchTarget (source))
{
// Target actor is not intent on another actor,
// so make him chase after source
// killough 2/15/98: remember last enemy, to prevent
// sleeping early; 2/21/98: Place priority on players
if (target->lastenemy == NULL ||
(target->lastenemy->player == NULL && target->TIDtoHate == 0) ||
target->lastenemy->health <= 0)
{
target->lastenemy = target->target; // remember last enemy - killough
}
target->target = source;
target->threshold = BASETHRESHOLD;
if (target->state == target->SpawnState && target->SeeState != NULL)
{
target->SetState (target->SeeState);
}
}
}
// killough 11/98: Don't attack a friend, unless hit by that friend.
if (justhit && (target->target == source || !target->target || !target->IsFriend(target->target)))
target->flags |= MF_JUSTHIT; // fight back!
return damage;
}
void P_PoisonMobj (AActor *target, AActor *inflictor, AActor *source, int damage, int duration, int period, FName type)
{
// Check for invulnerability.
if (!(inflictor->flags6 & MF6_POISONALWAYS))
{
if (target->flags2 & MF2_INVULNERABLE)
{ // actor is invulnerable
if (target->player == NULL)
{
if (!(inflictor->flags3 & MF3_FOILINVUL))
{
return;
}
}
else
{
return;
}
}
}
target->Poisoner = source;
target->PoisonDamageTypeReceived = type;
target->PoisonPeriodReceived = period;
if (inflictor->flags6 & MF6_ADDITIVEPOISONDAMAGE)
{
target->PoisonDamageReceived += damage;
}
else
{
target->PoisonDamageReceived = damage;
}
if (inflictor->flags6 & MF6_ADDITIVEPOISONDURATION)
{
target->PoisonDurationReceived += duration;
}
else
{
target->PoisonDurationReceived = duration;
}
}
bool AActor::OkayToSwitchTarget (AActor *other)
{
if (other == this)
return false; // [RH] Don't hate self (can happen when shooting barrels)
if (!(other->flags & MF_SHOOTABLE))
return false; // Don't attack things that can't be hurt
if ((flags4 & MF4_NOTARGETSWITCH) && target != NULL)
return false; // Don't switch target if not allowed
if ((master != NULL && other->IsA(master->GetClass())) || // don't attack your master (or others of its type)
(other->master != NULL && IsA(other->master->GetClass()))) // don't attack your minion (or those of others of your type)
{
if (!IsHostile (other) && // allow target switch if other is considered hostile
(other->tid != TIDtoHate || TIDtoHate == 0) && // or has the tid we hate
other->TIDtoHate == TIDtoHate) // or has different hate information
{
return false;
}
}
if ((other->flags3 & MF3_NOTARGET) &&
(other->tid != TIDtoHate || TIDtoHate == 0) &&
!IsHostile (other))
return false;
if (threshold != 0 && !(flags4 & MF4_QUICKTORETALIATE))
return false;
if (IsFriend (other))
{ // [RH] Friendlies don't target other friendlies
return false;
}
int infight;
if (flags5 & MF5_NOINFIGHTING) infight=-1;
else if (level.flags2 & LEVEL2_TOTALINFIGHTING) infight=1;
else if (level.flags2 & LEVEL2_NOINFIGHTING) infight=-1;
else infight = infighting;
if (infight < 0 && other->player == NULL && !IsHostile (other))
{
return false; // infighting off: Non-friendlies don't target other non-friendlies
}
if (TIDtoHate != 0 && TIDtoHate == other->TIDtoHate)
return false; // [RH] Don't target "teammates"
if (other->player != NULL && (flags4 & MF4_NOHATEPLAYERS))
return false; // [RH] Don't target players
if (target != NULL && target->health > 0 &&
TIDtoHate != 0 && target->tid == TIDtoHate && pr_switcher() < 128 &&
P_CheckSight (this, target))
return false; // [RH] Don't be too quick to give up things we hate
return true;
}
//==========================================================================
//
// P_PoisonPlayer - Sets up all data concerning poisoning
//
//==========================================================================
bool P_PoisonPlayer (player_t *player, AActor *poisoner, AActor *source, int poison)
{
if((player->cheats&CF_GODMODE) || (player->mo->flags2 & MF2_INVULNERABLE))
{
return false;
}
if (source != NULL && source->player != player && player->mo->IsTeammate (source))
{
poison = (int)((float)poison * level.teamdamage);
}
if (poison > 0)
{
player->poisoncount += poison;
player->poisoner = poisoner;
if (poisoner == NULL)
{
player->poisontype = player->poisonpaintype = NAME_None;
}
else
{ // We need to record these in case the poisoner disappears before poisoncount reaches 0.
player->poisontype = poisoner->DamageType;
player->poisonpaintype = poisoner->PainType != NAME_None ? poisoner->PainType : poisoner->DamageType;
}
if(player->poisoncount > 100)
{
player->poisoncount = 100;
}
}
return true;
}
//==========================================================================
//
// P_PoisonDamage - Similar to P_DamageMobj
//
//==========================================================================
void P_PoisonDamage (player_t *player, AActor *source, int damage,
bool playPainSound)
{
AActor *target;
AActor *inflictor;
if (player == NULL)
{
return;
}
target = player->mo;
inflictor = source;
if (target->health <= 0)
{
return;
}
if (damage < TELEFRAG_DAMAGE && ((target->flags2 & MF2_INVULNERABLE) ||
(player->cheats & CF_GODMODE)))
{ // target is invulnerable
return;
}
// Take half damage in trainer mode
damage = FixedMul(damage, G_SkillProperty(SKILLP_DamageFactor));
// Handle passive damage modifiers (e.g. PowerProtection)
if (target->Inventory != NULL)
{
target->Inventory->ModifyDamage(damage, player->poisontype, damage, true);
}
// Modify with damage factors
damage = FixedMul(damage, target->DamageFactor);
if (damage > 0)
{
damage = DamageTypeDefinition::ApplyMobjDamageFactor(damage, player->poisontype, target->GetClass()->ActorInfo->DamageFactors);
}
if (damage <= 0)
{ // Damage was reduced to 0, so don't bother further.
return;
}
if (damage >= player->health
&& (G_SkillProperty(SKILLP_AutoUseHealth) || deathmatch)
&& !player->morphTics)
{ // Try to use some inventory health
P_AutoUseHealth(player, damage - player->health+1);
}
player->health -= damage; // mirror mobj health here for Dave
if (player->health < 50 && !deathmatch)
{
P_AutoUseStrifeHealth(player);
}
if (player->health < 0)
{
player->health = 0;
}
player->attacker = source;
//
// do the damage
//
target->health -= damage;
if (target->health <= 0)
{ // Death
if (player->cheats & CF_BUDDHA)
{ // [SP] Save the player...
player->health = target->health = 1;
}
else
{
target->special1 = damage;
if (player && !player->morphTics)
{ // Check for flame death
if ((player->poisontype == NAME_Fire) && (target->health > -50) && (damage > 25))
{
target->DamageType = NAME_Fire;
}
else
{
target->DamageType = player->poisontype;
}
}
target->Die(source, source);
return;
}
}
if (!(level.time&63) && playPainSound)
{
FState *painstate = target->FindState(NAME_Pain, player->poisonpaintype);
if (painstate != NULL)
{
target->SetState(painstate);
}
}
/*
if((P_Random() < target->info->painchance)
&& !(target->flags&MF_SKULLFLY))
{
target->flags |= MF_JUSTHIT; // fight back!
P_SetMobjState(target, target->info->painstate);
}
*/
return;
}
CCMD (kill)
{
if (argv.argc() > 1)
{
if (CheckCheatmode ())
return;
if (!stricmp (argv[1], "monsters"))
{
// Kill all the monsters
if (CheckCheatmode ())
return;
Net_WriteByte (DEM_GENERICCHEAT);
Net_WriteByte (CHT_MASSACRE);
}
else
{
Net_WriteByte (DEM_KILLCLASSCHEAT);
Net_WriteString (argv[1]);
}
}
else
{
// If suiciding is disabled, then don't do it.
if (dmflags2 & DF2_NOSUICIDE)
return;
// Kill the player
Net_WriteByte (DEM_SUICIDE);
}
C_HideConsole ();
}
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