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p_mobj.c
1172 lines (986 loc) · 33.4 KB
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p_mobj.c
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/**\file
*\section License
* License: GPL
* Online License Link: http://www.gnu.org/licenses/gpl.html
*
*\author Copyright © 2003-2009 Jaakko Keränen <jaakko.keranen@iki.fi>
*\author Copyright © 2005-2009 Daniel Swanson <danij@dengine.net>
*\author Copyright © 1999 by Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman (PrBoom 2.2.6)
*\author Copyright © 1999-2000 by Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze (PrBoom 2.2.6)
*\author Copyright © 1993-1996 by id Software, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* p_mobj.c: Moving object handling. Spawn functions.
*/
#ifdef MSVC
# pragma optimize("g", off)
#endif
// HEADER FILES ------------------------------------------------------------
#include <math.h>
#include "jdoom.h"
#include "hu_stuff.h"
#include "g_common.h"
#include "p_map.h"
#include "p_terraintype.h"
#include "p_player.h"
#include "p_tick.h"
#include "dmu_lib.h"
// MACROS ------------------------------------------------------------------
#define VANISHTICS (2*TICSPERSEC)
#define MAX_BOB_OFFSET (8)
#define NOMOMENTUM_THRESHOLD (0.000001f)
#define STOPSPEED (1.0f/1.6/10)
#define DROPOFFMOMENTUM_THRESHOLD (1.0f / 4)
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
// PRIVATE DATA DEFINITIONS ------------------------------------------------
// CODE --------------------------------------------------------------------
const terraintype_t* P_MobjGetFloorTerrainType(mobj_t* mo)
{
sector_t* sec = P_GetPtrp(mo->subsector, DMU_SECTOR);
return P_GetPlaneMaterialType(sec, PLN_FLOOR);
}
/**
* @return @c true, if the mobj is still present.
*/
boolean P_MobjChangeState(mobj_t* mobj, statenum_t state)
{
state_t* st;
do
{
if(state == S_NULL)
{
mobj->state = (state_t *) S_NULL;
P_MobjRemove(mobj, false);
return false;
}
P_MobjSetState(mobj, state);
st = &STATES[state];
mobj->turnTime = false; // $visangle-facetarget
// Modified handling.
// Call action functions when the state is set.
if(st->action)
st->action(mobj);
state = st->nextState;
} while(!mobj->tics);
return true;
}
void P_ExplodeMissile(mobj_t *mo)
{
if(IS_CLIENT)
{
// Clients won't explode missiles.
P_MobjChangeState(mo, S_NULL);
return;
}
mo->mom[MX] = mo->mom[MY] = mo->mom[MZ] = 0;
P_MobjChangeState(mo, P_GetState(mo->type, SN_DEATH));
mo->tics -= P_Random() & 3;
if(mo->tics < 1)
mo->tics = 1;
if(mo->flags & MF_MISSILE)
{
mo->flags &= ~MF_MISSILE;
mo->flags |= MF_VIEWALIGN;
// Remove the brightshadow flag.
if(mo->flags & MF_BRIGHTSHADOW)
mo->flags &= ~MF_BRIGHTSHADOW;
if(mo->flags & MF_BRIGHTEXPLODE)
mo->flags |= MF_BRIGHTSHADOW;
}
if(mo->info->deathSound)
S_StartSound(mo->info->deathSound, mo);
}
void P_FloorBounceMissile(mobj_t *mo)
{
mo->mom[MZ] = -mo->mom[MZ];
P_MobjChangeState(mo, P_GetState(mo->type, SN_DEATH));
}
/**
* @return The ground friction factor for the mobj.
*/
float P_MobjGetFriction(mobj_t *mo)
{
if((mo->flags2 & MF2_FLY) && !(mo->pos[VZ] <= mo->floorZ) && !mo->onMobj)
{
return FRICTION_FLY;
}
return XS_Friction(P_GetPtrp(mo->subsector, DMU_SECTOR));
}
static boolean isInWalkState(player_t* pl)
{
return pl->plr->mo->state - STATES -
PCLASS_INFO(pl->class)->runState < 4;
}
static float getFriction(mobj_t* mo)
{
if((mo->flags2 & MF2_FLY) && !(mo->pos[VZ] <= mo->floorZ) &&
!mo->onMobj)
{ // Airborne friction.
return FRICTION_FLY;
}
#if __JHERETIC__
if(P_ToXSector(P_GetPtrp(mo->subsector, DMU_SECTOR))->special == 15)
{ // Friction_Low
return FRICTION_LOW;
}
#endif
return P_MobjGetFriction(mo);
}
void P_MobjMoveXY(mobj_t *mo)
{
float pos[3], mom[3];
player_t *player;
boolean largeNegative;
// $democam: cameramen have their own movement code.
if(P_CameraXYMovement(mo))
return;
if(INRANGE_OF(mo->mom[MX], 0, NOMOMENTUM_THRESHOLD) &&
INRANGE_OF(mo->mom[MY], 0, NOMOMENTUM_THRESHOLD))
{
if(mo->flags & MF_SKULLFLY)
{ // The skull slammed into something.
mo->flags &= ~MF_SKULLFLY;
mo->mom[MX] = mo->mom[MY] = mo->mom[MZ] = 0;
P_MobjChangeState(mo, P_GetState(mo->type, SN_SPAWN));
}
return;
}
mom[MX] = MINMAX_OF(-MAXMOVE, mo->mom[MX], MAXMOVE);
mom[MY] = MINMAX_OF(-MAXMOVE, mo->mom[MY], MAXMOVE);
mo->mom[MX] = mom[MX];
mo->mom[MY] = mom[MY];
player = mo->player;
do
{
/**
* DOOM.exe bug fix:
* Large negative displacements were never considered. This explains
* the tendency for Mancubus fireballs to pass through walls.
*/
largeNegative = false;
if(!cfg.moveBlock &&
(mom[MX] < -MAXMOVE / 2 || mom[MY] < -MAXMOVE / 2))
{
// Make an exception for "north-only wallrunning".
if(!(cfg.wallRunNorthOnly && mo->wallRun))
largeNegative = true;
}
if(largeNegative || mom[MX] > MAXMOVE / 2 || mom[MY] > MAXMOVE / 2)
{
pos[VX] = mo->pos[VX] + mom[MX] / 2;
pos[VY] = mo->pos[VY] + mom[MY] / 2;
mom[MX] /= 2;
mom[MY] /= 2;
}
else
{
pos[VX] = mo->pos[VX] + mom[MX];
pos[VY] = mo->pos[VY] + mom[MY];
mom[MX] = mom[MY] = 0;
}
// If mobj was wallrunning - stop.
if(mo->wallRun)
mo->wallRun = false;
// $dropoff_fix.
if(!P_TryMove(mo, pos[VX], pos[VY], true, false))
{ // Blocked move.
if(mo->flags2 & MF2_SLIDE)
{ // Try to slide along it.
P_SlideMove(mo);
}
else if(mo->flags & MF_MISSILE)
{
sector_t* backSec;
//// kludge: Prevent missiles exploding against the sky.
if(ceilingLine &&
(backSec = P_GetPtrp(ceilingLine, DMU_BACK_SECTOR)))
{
material_t* mat =
P_GetPtrp(backSec, DMU_CEILING_MATERIAL);
if((P_GetIntp(mat, DMU_FLAGS) & MATF_SKYMASK) &&
mo->pos[VZ] > P_GetFloatp(backSec, DMU_CEILING_HEIGHT))
{
P_MobjRemove(mo, false);
return;
}
}
if(floorLine &&
(backSec = P_GetPtrp(floorLine, DMU_BACK_SECTOR)))
{
material_t* mat =
P_GetPtrp(backSec, DMU_FLOOR_MATERIAL);
if((P_GetIntp(mat, DMU_FLAGS) & MATF_SKYMASK) &&
mo->pos[VZ] < P_GetFloatp(backSec, DMU_FLOOR_HEIGHT))
{
P_MobjRemove(mo, false);
return;
}
}
//// kludge end.
P_ExplodeMissile(mo);
}
else
{
mo->mom[MX] = mo->mom[MY] = 0;
}
}
} while(!INRANGE_OF(mom[MX], 0, NOMOMENTUM_THRESHOLD) ||
!INRANGE_OF(mom[MY], 0, NOMOMENTUM_THRESHOLD));
// Slow down.
if(player && (P_GetPlayerCheats(player) & CF_NOMOMENTUM))
{
// Debug option for no sliding at all.
mo->mom[MX] = mo->mom[MY] = 0;
return;
}
if(mo->flags & (MF_MISSILE | MF_SKULLFLY))
return; // No friction for missiles ever.
if(mo->pos[VZ] > mo->floorZ && !mo->onMobj && !(mo->flags2 & MF2_FLY))
return; // No friction when falling.
if(cfg.slidingCorpses)
{
// $dropoff_fix: Add objects falling off ledges, does not apply to
// players!
if(((mo->flags & MF_CORPSE) || (mo->intFlags & MIF_FALLING)) &&
!mo->player)
{
// Do not stop sliding if halfway off a step with some momentum.
if(!INRANGE_OF(mo->mom[MX], 0, DROPOFFMOMENTUM_THRESHOLD) ||
!INRANGE_OF(mo->mom[MY], 0, DROPOFFMOMENTUM_THRESHOLD))
{
if(mo->floorZ !=
P_GetFloatp(mo->subsector, DMU_FLOOR_HEIGHT))
return;
}
}
}
// Stop player walking animation.
if(!player || (!(player->plr->cmd.forwardMove | player->plr->cmd.sideMove) &&
player->plr->mo != mo /* $voodoodolls: Stop animating. */) &&
INRANGE_OF(mo->mom[MX], 0, STOPSPEED) &&
INRANGE_OF(mo->mom[MY], 0, STOPSPEED))
{
// If in a walking frame, stop moving.
if(player && isInWalkState(player) && player->plr->mo == mo)
P_MobjChangeState(player->plr->mo, PCLASS_INFO(player->class)->normalState);
// $voodoodolls: Do not zero mom!
if(!(player && player->plr->mo != mo))
mo->mom[MX] = mo->mom[MY] = 0;
// $voodoodolls: Stop view bobbing if this isn't a voodoo doll.
if(player && player->plr->mo == mo)
player->bob = 0;
}
else
{
float friction = getFriction(mo);
mo->mom[MX] *= friction;
mo->mom[MY] *= friction;
}
}
/*
static boolean PIT_Splash(sector_t *sector, void *data)
{
mobj_t *mo = data;
float floorHeight;
floorHeight = P_GetFloatp(sector, DMU_FLOOR_HEIGHT);
// Is the mobj touching the floor of this sector?
if(mo->pos[VZ] < floorHeight &&
mo->pos[VZ] + mo->height / 2 > floorHeight)
{
//// \todo Play a sound, spawn a generator, etc.
}
// Continue checking.
return true;
}
*/
void P_HitFloor(mobj_t* mo)
{
//P_MobjSectorsIterator(mo, PIT_Splash, mo);
}
void P_MobjMoveZ(mobj_t* mo)
{
float gravity, targetZ, floorZ, ceilingZ;
// $democam: cameramen get special z movement.
if(P_CameraZMovement(mo))
return;
targetZ = mo->pos[VZ] + mo->mom[MZ];
floorZ = (mo->onMobj? mo->onMobj->pos[VZ] + mo->onMobj->height : mo->floorZ);
ceilingZ = mo->ceilingZ;
gravity = XS_Gravity(P_GetPtrp(mo->subsector, DMU_SECTOR));
if((mo->flags2 & MF2_FLY) && mo->player &&
mo->onMobj && mo->pos[VZ] > mo->onMobj->pos[VZ] + mo->onMobj->height)
mo->onMobj = NULL; // We were on a mobj, we are NOT now.
if(!((mo->flags ^ MF_FLOAT) & (MF_FLOAT | MF_SKULLFLY | MF_INFLOAT)) &&
mo->target && !P_MobjIsCamera(mo->target))
{
float dist, delta;
// Float down towards target if too close.
dist = P_ApproxDistance(mo->pos[VX] - mo->target->pos[VX],
mo->pos[VY] - mo->target->pos[VY]);
delta = (mo->target->pos[VZ] + mo->target->height / 2) -
(mo->pos[VZ] + mo->height / 2);
// Don't go INTO the target.
if(!(dist < mo->radius + mo->target->radius &&
fabs(delta) < mo->height + mo->target->height))
{
if(delta < 0 && dist < -(delta * 3))
{
targetZ -= FLOATSPEED;
P_MobjSetSRVOZ(mo, -FLOATSPEED);
}
else if(delta > 0 && dist < (delta * 3))
{
targetZ += FLOATSPEED;
P_MobjSetSRVOZ(mo, FLOATSPEED);
}
}
}
// Do some fly-bobbing.
if(mo->player && (mo->flags2 & MF2_FLY) && mo->pos[VZ] > floorZ &&
(mapTime & 2))
{
targetZ += FIX2FLT(finesine[(FINEANGLES / 20 * mapTime >> 2) & FINEMASK]);
}
if(targetZ < floorZ)
{ // Hit the floor (or another mobj).
boolean movingDown;
// Note (id):
// somebody left this after the setting momz to 0,
// kinda useless there.
//
// cph - This was the a bug in the linuxdoom-1.10 source which
// caused it not to sync Doom 2 v1.9 demos. Someone
// added the above comment and moved up the following code. So
// demos would desync in close lost soul fights.
// Note that this only applies to original Doom 1 or Doom2 demos - not
// Final Doom and Ultimate Doom. So we test demo_compatibility *and*
// gameMission. (Note we assume that Doom1 is always Ult Doom, which
// seems to hold for most published demos.)
//
// fraggle - cph got the logic here slightly wrong. There are three
// versions of Doom 1.9:
//
// * The version used in registered doom 1.9 + doom2 - no bounce
// * The version used in ultimate doom - has bounce
// * The version used in final doom - has bounce
//
// So we need to check that this is either retail or commercial
// (but not doom2)
int correctLostSoulBounce =
(gameMode == retail || gameMode == commercial) &&
gameMission != GM_DOOM2;
if(correctLostSoulBounce && (mo->flags & MF_SKULLFLY))
{
// The skull slammed into something.
mo->mom[MZ] = -mo->mom[MZ];
}
if(movingDown = (mo->mom[MZ] < 0))
{
if(mo->player && mo->player->plr->mo == mo &&
mo->mom[MZ] < -gravity * 8 && !(mo->flags2 & MF2_FLY))
{
// Squat down.
// Decrease viewheight for a moment after hitting the ground
// (hard), and utter appropriate sound.
mo->player->viewHeightDelta = mo->mom[MZ] / 8;
mo->player->jumpTics = 10;
/**
* DOOM bug:
* Dead players would grunt when hitting the ground (e.g.,
* after an archvile attack).
*/
if(mo->player->health > 0)
S_StartSound(SFX_OOF, mo);
}
}
targetZ = floorZ;
if(movingDown && !mo->onMobj)
P_HitFloor(mo);
/**
* See lost soul bouncing comment above. We need this here for bug
* compatibility with original Doom2 v1.9 - if a soul is charging
* and hit by a raising floor this would incorrectly reverse it's
* Y momentum.
*/
if(!correctLostSoulBounce && (mo->flags & MF_SKULLFLY))
mo->mom[MZ] = -mo->mom[MZ];
if(!((mo->flags ^ MF_MISSILE) & (MF_MISSILE | MF_NOCLIP)))
{
mo->pos[VZ] = targetZ;
if((mo->flags2 & MF2_FLOORBOUNCE) && !mo->onMobj)
{
P_FloorBounceMissile(mo);
return;
}
else
{
P_ExplodeMissile(mo);
return;
}
}
if(movingDown && mo->mom[MZ] < 0)
mo->mom[MZ] = 0;
// $voodoodolls: Check for smooth step up unless a voodoo doll.
if(mo->player && mo->player->plr->mo == mo &&
mo->pos[VZ] < mo->floorZ)
{
mo->player->viewHeight -= (mo->floorZ - mo->pos[VZ]);
mo->player->viewHeightDelta =
(cfg.plrViewHeight - mo->player->viewHeight) / 8;
}
mo->pos[VZ] = floorZ;
if(mo->flags & MF_SKULLFLY)
{ // The skull slammed into something.
mo->mom[MZ] = -mo->mom[MZ];
}
if(!((mo->flags ^ MF_MISSILE) & (MF_MISSILE | MF_NOCLIP)))
{
material_t* mat =
P_GetPtrp(mo->subsector, DMU_FLOOR_MATERIAL);
// Don't explode against sky.
if(P_GetIntp(mat, DMU_FLAGS) & MATF_SKYMASK)
{
P_MobjRemove(mo, false);
}
else
{
P_ExplodeMissile(mo);
}
}
}
else
{
if(targetZ + mo->height > ceilingZ)
{ // Hit the ceiling.
if(mo->mom[MZ] > 0)
mo->mom[MZ] = 0;
mo->pos[VZ] = mo->ceilingZ - mo->height;
if(mo->flags & MF_SKULLFLY)
{ // The skull slammed into something.
mo->mom[MZ] = -mo->mom[MZ];
}
if(!((mo->flags ^ MF_MISSILE) & (MF_MISSILE | MF_NOCLIP)))
{
material_t* mat =
P_GetPtrp(mo->subsector, DMU_CEILING_MATERIAL);
// Don't explode against sky.
if(P_GetIntp(mat, DMU_FLAGS) & MATF_SKYMASK)
{
P_MobjRemove(mo, false);
}
else
{
P_ExplodeMissile(mo);
}
}
}
else
{ // In "free space".
// Update gravity's effect on momentum.
if(mo->flags2 & MF2_LOGRAV)
{
if(mo->mom[MZ] == 0)
mo->mom[MZ] = -(gravity / 8) * 2;
else
mo->mom[MZ] -= (gravity / 8);
}
else if(!(mo->flags & MF_NOGRAVITY))
{
if(mo->mom[MZ] == 0)
mo->mom[MZ] = -gravity * 2;
else
mo->mom[MZ] -= gravity;
}
mo->pos[VZ] = targetZ;
}
}
}
void P_NightmareRespawn(mobj_t* mobj)
{
mobj_t* mo;
// Something is occupying it's position?
if(!P_CheckPosition2f(mobj, mobj->spawnSpot.pos[VX],
mobj->spawnSpot.pos[VY]))
return; // No respwan.
if((mo = P_SpawnMobj3fv(mobj->type, mobj->spawnSpot.pos,
mobj->spawnSpot.angle, mobj->spawnSpot.flags)))
{
mo->reactionTime = 18;
// Spawn a teleport fog at old spot.
if((mo = P_SpawnMobj3f(MT_TFOG, mobj->pos[VX], mobj->pos[VY], 0,
mobj->angle, MSF_Z_FLOOR)))
S_StartSound(SFX_TELEPT, mo);
// Spawn a teleport fog at the new spot.
if((mo = P_SpawnMobj3fv(MT_TFOG, mobj->spawnSpot.pos,
mobj->spawnSpot.angle,
mobj->spawnSpot.flags)))
S_StartSound(SFX_TELEPT, mo);
}
// Remove the old monster.
P_MobjRemove(mobj, true);
}
void P_MobjThinker(mobj_t* mo)
{
float floorZ;
if(!mo)
return; // Wha?
if(mo->ddFlags & DDMF_REMOTE)
return; // Remote mobjs are handled separately.
// Spectres get selector = 1.
if(mo->type == MT_SHADOWS)
mo->selector = (mo->selector & ~DDMOBJ_SELECTOR_MASK) | 1;
// The first three bits of the selector special byte contain a
// relative health level.
P_UpdateHealthBits(mo);
#if __JHERETIC__
// Lightsources must stay where they're hooked.
if(mo->type == MT_LIGHTSOURCE)
{
if(mo->moveDir > 0)
mo->pos[VZ] =
P_GetFloatp(mo->subsector, DMU_FLOOR_HEIGHT);
else
mo->pos[VZ] =
P_GetFloatp(mo->subsector, DMU_CEILING_HEIGHT);
mo->pos[VZ] += FIX2FLT(mo->moveDir);
return;
}
#endif
// Handle X and Y momentums.
if(!INRANGE_OF(mo->mom[MX], 0, NOMOMENTUM_THRESHOLD) ||
!INRANGE_OF(mo->mom[MY], 0, NOMOMENTUM_THRESHOLD) ||
(mo->flags & MF_SKULLFLY))
{
P_MobjMoveXY(mo);
//// \fixme decent NOP/NULL/Nil function pointer please.
if(mo->thinker.function == NOPFUNC)
return; // Mobj was removed.
}
floorZ = (mo->onMobj? mo->onMobj->pos[VZ] + mo->onMobj->height : mo->floorZ);
if(mo->flags2 & MF2_FLOATBOB)
{ // Floating item bobbing motion.
// Keep it on the floor.
mo->pos[VZ] = floorZ;
#if __JHERETIC__
// Negative floorclip raises the mo off the floor.
mo->floorClip = -mo->special1;
#elif __JDOOM__
mo->floorClip = 0;
#endif
if(mo->floorClip < -MAX_BOB_OFFSET)
{
// We don't want it going through the floor.
mo->floorClip = -MAX_BOB_OFFSET;
}
}
else if(mo->pos[VZ] != floorZ ||
!INRANGE_OF(mo->mom[MZ], 0, NOMOMENTUM_THRESHOLD))
{
P_MobjMoveZ(mo);
//// \fixme decent NOP/NULL/Nil function pointer please.
if(mo->thinker.function == NOPFUNC)
return; // Mobj was removed.
}
// Non-sentient objects at rest.
else if(!sentient(mo) && !mo->player &&
!(INRANGE_OF(mo->mom[MX], 0, NOMOMENTUM_THRESHOLD) &&
INRANGE_OF(mo->mom[MY], 0, NOMOMENTUM_THRESHOLD)))
{
// Objects fall off ledges if they are hanging off. Slightly push
// off of ledge if hanging more than halfway off.
if(mo->pos[VZ] > mo->dropOffZ && // Only objects contacting dropoff.
!(mo->flags & MF_NOGRAVITY) &&
!(mo->flags2 & MF2_FLOATBOB) && cfg.fallOff)
{
P_ApplyTorque(mo);
}
else
{
mo->intFlags &= ~MIF_FALLING;
mo->gear = 0; // Reset torque.
}
}
if(cfg.slidingCorpses)
{
if(((mo->flags & MF_CORPSE)? mo->pos[VZ] > mo->dropOffZ :
mo->pos[VZ] - mo->dropOffZ > 24) && // Only objects contacting drop off
!(mo->flags & MF_NOGRAVITY)) // Only objects which fall.
{
P_ApplyTorque(mo); // Apply torque.
}
else
{
mo->intFlags &= ~MIF_FALLING;
mo->gear = 0; // Reset torque.
}
}
// $vanish: dead monsters disappear after some time.
if(cfg.corpseTime && (mo->flags & MF_CORPSE) && mo->corpseTics != -1)
{
if(++mo->corpseTics < cfg.corpseTime * TICSPERSEC)
{
mo->translucency = 0; // Opaque.
}
else if(mo->corpseTics < cfg.corpseTime * TICSPERSEC + VANISHTICS)
{
// Translucent during vanishing.
mo->translucency =
((mo->corpseTics -
cfg.corpseTime * TICSPERSEC) * 255) / VANISHTICS;
}
else
{
// Too long; get rid of the corpse.
mo->corpseTics = -1;
return;
}
}
// Cycle through states, calling action functions at transitions.
if(mo->tics != -1)
{
mo->tics--;
P_MobjAngleSRVOTicker(mo); // "angle-servo"; smooth actor turning.
// You can cycle through multiple states in a tic.
if(!mo->tics)
{
P_MobjClearSRVO(mo);
P_MobjChangeState(mo, mo->state->nextState);
}
}
else if(!IS_CLIENT)
{
// Check for nightmare respawn.
if(!(mo->flags & MF_COUNTKILL))
return;
if(!respawnMonsters)
return;
mo->moveCount++;
if(mo->moveCount >= 12 * 35 && !(mapTime & 31) &&
P_Random() <= 4)
{
P_NightmareRespawn(mo);
}
}
}
/**
* Spawns a mobj of "type" at the specified position.
*/
mobj_t* P_SpawnMobj3f(mobjtype_t type, float x, float y, float z,
angle_t angle, int spawnFlags)
{
mobj_t* mo;
mobjinfo_t* info;
float space;
int ddflags = 0;
info = &MOBJINFO[type];
// Clients only spawn local objects.
if(!(info->flags & MF_LOCAL) && IS_CLIENT)
return NULL;
// Not for deathmatch?
if(deathmatch && (info->flags & MF_NOTDMATCH))
return NULL;
// Check for specific disabled objects.
if(IS_NETGAME)
{
// Cooperative weapons?
if(cfg.noCoopWeapons && !deathmatch && type >= MT_CLIP &&
type <= MT_SUPERSHOTGUN)
return NULL;
// Don't spawn any special objects in coop?
if(cfg.noCoopAnything && !deathmatch)
return NULL;
// BFG disabled in netgames?
if(cfg.noNetBFG && type == MT_MISC25)
return NULL;
}
switch(type)
{
case MT_BABY: // 68, Arachnotron
case MT_VILE: // 64, Archvile
case MT_BOSSBRAIN: // 88, Boss Brain
case MT_BOSSSPIT: // 89, Boss Shooter
case MT_KNIGHT: // 69, Hell Knight
case MT_FATSO: // 67, Mancubus
case MT_PAIN: // 71, Pain Elemental
case MT_MEGA: // 74, MegaSphere
case MT_CHAINGUY: // 65, Former Human Commando
case MT_UNDEAD: // 66, Revenant
case MT_WOLFSS: // 84, Wolf SS
if(gameMode != commercial)
return NULL;
break;
default:
break;
}
// Don't spawn any monsters if -noMonstersParm.
if(noMonstersParm && ((info->flags & MF_COUNTKILL) || type == MT_SKULL))
return NULL;
if(info->flags & MF_SOLID)
ddflags |= DDMF_SOLID;
if(info->flags2 & MF2_DONTDRAW)
ddflags |= DDMF_DONTDRAW;
mo = P_MobjCreate(P_MobjThinker, x, y, z, angle, info->radius,
info->height, ddflags);
mo->type = type;
mo->info = info;
mo->flags = info->flags;
mo->flags2 = info->flags2;
mo->flags3 = info->flags3;
mo->damage = info->damage;
mo->health =
info->spawnHealth * (IS_NETGAME ? cfg.netMobHealthModifier : 1);
mo->moveDir = DI_NODIR;
// Let the engine know about solid objects.
P_SetDoomsdayFlags(mo);
if(gameSkill != SM_NIGHTMARE)
mo->reactionTime = info->reactionTime;
mo->lastLook = P_Random() % MAXPLAYERS;
// Do not set the state with P_MobjChangeState, because action routines
// can not be called yet.
// Must link before setting state (ID assigned for the mo).
P_MobjSetState(mo, P_GetState(mo->type, SN_SPAWN));
P_MobjSetPosition(mo);
mo->floorZ = P_GetFloatp(mo->subsector, DMU_FLOOR_HEIGHT);
mo->dropOffZ = mo->floorZ;
mo->ceilingZ = P_GetFloatp(mo->subsector, DMU_CEILING_HEIGHT);
if((spawnFlags & MSF_Z_CEIL) || (info->flags & MF_SPAWNCEILING))
{
mo->pos[VZ] = mo->ceilingZ - mo->info->height - z;
}
else if((spawnFlags & MSF_Z_RANDOM) || (info->flags2 & MF2_SPAWNFLOAT))
{
space = mo->ceilingZ - mo->info->height - mo->floorZ;
if(space > 48)
{
space -= 40;
mo->pos[VZ] = ((space * P_Random()) / 256) + mo->floorZ + 40;
}
else
{
mo->pos[VZ] = mo->floorZ;
}
}
else if(spawnFlags & MSF_Z_FLOOR)
{
mo->pos[VZ] = mo->floorZ + z;
}
if(spawnFlags & MSF_DEAF)
mo->flags |= MF_AMBUSH;
mo->floorClip = 0;
if((mo->flags2 & MF2_FLOORCLIP) &&
mo->pos[VZ] == P_GetFloatp(mo->subsector, DMU_FLOOR_HEIGHT))
{
const terraintype_t* tt = P_MobjGetFloorTerrainType(mo);
if(tt->flags & TTF_FLOORCLIP)
{
mo->floorClip = 10;
}
}
// Copy spawn attributes to the new mobj.
mo->spawnSpot.pos[VX] = x;
mo->spawnSpot.pos[VY] = y;
mo->spawnSpot.pos[VZ] = z;
mo->spawnSpot.angle = angle;
mo->spawnSpot.flags = spawnFlags;
return mo;
}
mobj_t* P_SpawnMobj3fv(mobjtype_t type, const float pos[3], angle_t angle,
int spawnFlags)
{
return P_SpawnMobj3f(type, pos[VX], pos[VY], pos[VZ], angle, spawnFlags);
}
mobj_t* P_SpawnCustomPuff(mobjtype_t type, float x, float y, float z,
angle_t angle)
{
mobj_t* mo;
// Clients do not spawn puffs.
if(IS_CLIENT)
return NULL;
z += FIX2FLT((P_Random() - P_Random()) << 10);
if((mo = P_SpawnMobj3f(type, x, y, z, angle, 0)))
{
mo->mom[MZ] = FIX2FLT(FRACUNIT);
mo->tics -= P_Random() & 3;
// Make it last at least one tic.
if(mo->tics < 1)
mo->tics = 1;
}
return mo;
}
void P_SpawnPuff(float x, float y, float z, angle_t angle)
{
mobj_t* th;
if((th = P_SpawnCustomPuff(MT_PUFF, x, y, z, angle)))
{
// Don't make punches spark on the wall.
if(th && attackRange == MELEERANGE)
P_MobjChangeState(th, S_PUFF3);
}
}