/
p_enemy.c
1943 lines (1588 loc) · 48.6 KB
/
p_enemy.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_enemy.c: Enemy thinking, AI (jDoom-specific).
*
* Action Pointer Functions that are associated with states/frames.
*/
// HEADER FILES ------------------------------------------------------------
#include <math.h>
#ifdef MSVC
# pragma optimize("g", off)
#endif
#include "jdoom.h"
#include "dmu_lib.h"
#include "p_map.h"
#include "p_mapspec.h"
#include "p_door.h"
#include "p_floor.h"
// MACROS ------------------------------------------------------------------
#define FATSPREAD (ANG90/8)
#define SKULLSPEED (20)
#define TRACEANGLE (0xc000000)
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
boolean bossKilled;
mobj_t **brainTargets;
int numBrainTargets;
int numBrainTargetsAlloc;
braindata_t brain; // Global state of boss brain.
// PRIVATE DATA DEFINITIONS ------------------------------------------------
static mobj_t *corpseHit;
static mobj_t *vileObj;
static float vileTry[3];
static float dropoffDelta[2], floorZ;
// Eight directional movement speeds.
#define MOVESPEED_DIAGONAL (0.71716309f)
static const float dirSpeed[8][2] =
{
{1, 0},
{MOVESPEED_DIAGONAL, MOVESPEED_DIAGONAL},
{0, 1},
{-MOVESPEED_DIAGONAL, MOVESPEED_DIAGONAL},
{-1, 0},
{-MOVESPEED_DIAGONAL, -MOVESPEED_DIAGONAL},
{0, -1},
{MOVESPEED_DIAGONAL, -MOVESPEED_DIAGONAL}
};
#undef MOVESPEED_DIAGONAL
// CODE --------------------------------------------------------------------
/**
* If a monster yells at a player, it will alert other monsters to the
* player's whereabouts.
*/
void P_NoiseAlert(mobj_t *target, mobj_t *emitter)
{
VALIDCOUNT++;
P_RecursiveSound(target, P_GetPtrp(emitter->subsector, DMU_SECTOR), 0);
}
static boolean checkMeleeRange(mobj_t *actor)
{
mobj_t *pl;
float dist, range;
if(!actor->target)
return false;
pl = actor->target;
dist = P_ApproxDistance(pl->pos[VX] - actor->pos[VX],
pl->pos[VY] - actor->pos[VY]);
if(!cfg.netNoMaxZMonsterMeleeAttack)
{ // Account for Z height difference.
if(pl->pos[VZ] > actor->pos[VZ] + actor->height ||
pl->pos[VZ] + pl->height < actor->pos[VZ])
return false;
}
range = MELEERANGE - 20 + pl->info->radius;
if(dist >= range)
return false;
if(!P_CheckSight(actor, actor->target))
return false;
return true;
}
static boolean checkMissileRange(mobj_t *actor)
{
float dist;
if(!P_CheckSight(actor, actor->target))
return false;
if(actor->flags & MF_JUSTHIT)
{
// The target just hit the enemy, so fight back!
actor->flags &= ~MF_JUSTHIT;
return true;
}
if(actor->reactionTime)
return false; // Do not attack yet.
dist =
P_ApproxDistance(actor->pos[VX] - actor->target->pos[VX],
actor->pos[VY] - actor->target->pos[VY]) - 64;
if(P_GetState(actor->type, SN_MELEE) == S_NULL)
dist -= 128; // No melee attack, so fire more.
if(actor->type == MT_VILE)
{
if(dist > 14 * 64)
return false; // Too far away.
}
if(actor->type == MT_UNDEAD)
{
if(dist < 196)
return false; // Close for fist attack.
dist /= 2;
}
if(actor->type == MT_CYBORG || actor->type == MT_SPIDER ||
actor->type == MT_SKULL)
{
dist /= 2;
}
if(dist > 200)
dist = 200;
if(actor->type == MT_CYBORG && dist > 160)
dist = 160;
if((float) P_Random() < dist)
return false;
return true;
}
/**
* Move in the current direction if not blocked.
*
* @return @c false, if the move is blocked.
*/
static boolean moveMobj(mobj_t *actor, boolean dropoff)
{
float pos[3], step[3];
linedef_t *ld;
boolean good;
if(actor->moveDir == DI_NODIR)
return false;
if((unsigned) actor->moveDir >= DI_NODIR)
Con_Error("Weird actor->moveDir!");
step[VX] = actor->info->speed * dirSpeed[actor->moveDir][MX];
step[VY] = actor->info->speed * dirSpeed[actor->moveDir][MY];
pos[VX] = actor->pos[VX] + step[VX];
pos[VY] = actor->pos[VY] + step[VY];
// $dropoff_fix
if(!P_TryMove(actor, pos[VX], pos[VY], dropoff, false))
{
// Open any specials.
if((actor->flags & MF_FLOAT) && floatOk)
{
// Must adjust height.
if(actor->pos[VZ] < tmFloorZ)
actor->pos[VZ] += FLOATSPEED;
else
actor->pos[VZ] -= FLOATSPEED;
actor->flags |= MF_INFLOAT;
return true;
}
if(!P_IterListSize(spechit))
return false;
actor->moveDir = DI_NODIR;
good = false;
while((ld = P_PopIterList(spechit)) != NULL)
{
/**
* If the special is not a door that can be opened, return false.
*
* $unstuck: This is what caused monsters to get stuck in
* doortracks, because it thought that the monster freed itself
* by opening a door, even if it was moving towards the
* doortrack, and not the door itself.
*
* If a line blocking the monster is activated, return true 90%
* of the time. If a line blocking the monster is not activated,
* but some other line is, return false 90% of the time.
* A bit of randomness is needed to ensure it's free from
* lockups, but for most cases, it returns the correct result.
*
* Do NOT simply return false 1/4th of the time (causes monsters
* to back out when they shouldn't, and creates secondary
* stickiness).
*/
if(P_ActivateLine(ld, actor, 0, SPAC_USE))
good |= ld == blockLine ? 1 : 2;
}
if(!good || cfg.monstersStuckInDoors)
return good;
else
return (P_Random() >= 230) || (good & 1);
}
else
{
P_MobjSetSRVO(actor, step[VX], step[VY]);
actor->flags &= ~MF_INFLOAT;
}
// $dropoff_fix: fall more slowly, under gravity, if fellDown==true
if(!(actor->flags & MF_FLOAT) && !fellDown)
{
if(actor->pos[VZ] > actor->floorZ)
P_HitFloor(actor);
actor->pos[VZ] = actor->floorZ;
}
return true;
}
/**
* Attempts to move actor on in its current (ob->moveangle) direction.
* If blocked by either a wall or an actor returns FALSE
* If move is either clear or blocked only by a door, returns TRUE and sets...
* If a door is in the way, an OpenDoor call is made to start it opening.
*/
static boolean tryMoveMobj(mobj_t *actor)
{
// $dropoff_fix
if(!moveMobj(actor, false))
{
return false;
}
actor->moveCount = P_Random() & 15;
return true;
}
static void doNewChaseDir(mobj_t *actor, float deltaX, float deltaY)
{
dirtype_t xdir, ydir, tdir;
dirtype_t olddir = actor->moveDir;
dirtype_t turnaround = olddir;
if(turnaround != DI_NODIR) // Find reverse direction.
turnaround ^= 4;
xdir = (deltaX > 10 ? DI_EAST : deltaX < -10 ? DI_WEST : DI_NODIR);
ydir = (deltaY < -10 ? DI_SOUTH : deltaY > 10 ? DI_NORTH : DI_NODIR);
// Try direct route.
if(xdir != DI_NODIR && ydir != DI_NODIR &&
turnaround != (actor->moveDir =
deltaY < 0 ? deltaX >
0 ? DI_SOUTHEAST : DI_SOUTHWEST : deltaX >
0 ? DI_NORTHEAST : DI_NORTHWEST) && tryMoveMobj(actor))
return;
// Try other directions.
if(P_Random() > 200 || fabs(deltaY) > fabs(deltaX))
{
dirtype_t temp = xdir;
xdir = ydir;
ydir = temp;
}
if((xdir == turnaround ? xdir = DI_NODIR : xdir) != DI_NODIR &&
(actor->moveDir = xdir, tryMoveMobj(actor)))
return; // Either moved forward or attacked.
if((ydir == turnaround ? ydir = DI_NODIR : ydir) != DI_NODIR &&
(actor->moveDir = ydir, tryMoveMobj(actor)))
return;
// There is no direct path to the player, so pick another direction.
if(olddir != DI_NODIR && (actor->moveDir = olddir, tryMoveMobj(actor)))
return;
// Randomly determine direction of search.
if(P_Random() & 1)
{
for(tdir = DI_EAST; tdir <= DI_SOUTHEAST; tdir++)
if(tdir != turnaround &&
(actor->moveDir = tdir, tryMoveMobj(actor)))
return;
}
else
{
for(tdir = DI_SOUTHEAST; tdir != DI_EAST - 1; tdir--)
if(tdir != turnaround &&
(actor->moveDir = tdir, tryMoveMobj(actor)))
return;
}
if((actor->moveDir = turnaround) != DI_NODIR && !tryMoveMobj(actor))
actor->moveDir = DI_NODIR;
}
/**
* Monsters try to move away from tall dropoffs.
*
* In Doom, they were never allowed to hang over dropoffs, and would remain
* stuck if involuntarily forced over one. This logic, combined with
* p_map.c::P_TryMove(), allows monsters to free themselves without making
* them tend to hang over dropoffs.
*/
static boolean PIT_AvoidDropoff(linedef_t* line, void* data)
{
sector_t* backsector = P_GetPtrp(line, DMU_BACK_SECTOR);
float* bbox = P_GetPtrp(line, DMU_BOUNDING_BOX);
if(backsector &&
tmBBox[BOXRIGHT] > bbox[BOXLEFT] &&
tmBBox[BOXLEFT] < bbox[BOXRIGHT] &&
tmBBox[BOXTOP] > bbox[BOXBOTTOM] && // Linedef must be contacted
tmBBox[BOXBOTTOM] < bbox[BOXTOP] &&
P_BoxOnLineSide(tmBBox, line) == -1)
{
sector_t* frontsector = P_GetPtrp(line, DMU_FRONT_SECTOR);
float front = P_GetFloatp(frontsector, DMU_FLOOR_HEIGHT);
float back = P_GetFloatp(backsector, DMU_FLOOR_HEIGHT);
float d1[2];
angle_t angle;
P_GetFloatpv(line, DMU_DXY, d1);
// The monster must contact one of the two floors, and the other
// must be a tall drop off (more than 24).
if(back == floorZ && front < floorZ - 24)
{
angle = R_PointToAngle2(0, 0, d1[0], d1[1]); // Front side drop off.
}
else
{
if(front == floorZ && back < floorZ - 24)
angle = R_PointToAngle2(d1[0], d1[1], 0, 0); // Back side drop off.
else
return true;
}
// Move away from drop off at a standard speed.
// Multiple contacted linedefs are cumulative (e.g. hanging over corner)
dropoffDelta[VX] -= FIX2FLT(finesine[angle >> ANGLETOFINESHIFT]) * 32;
dropoffDelta[VY] += FIX2FLT(finecosine[angle >> ANGLETOFINESHIFT]) * 32;
}
return true;
}
/**
* Driver for above.
*/
static boolean avoidDropoff(mobj_t *actor)
{
floorZ = actor->pos[VZ]; // Remember floor height.
dropoffDelta[VX] = dropoffDelta[VY] = 0;
VALIDCOUNT++;
// Check lines.
P_MobjLinesIterator(actor, PIT_AvoidDropoff, 0);
// Non-zero if movement prescribed.
return !(dropoffDelta[VX] == 0 || dropoffDelta[VY] == 0);
}
static void newChaseDir(mobj_t *actor)
{
mobj_t *target = actor->target;
float deltaX = target->pos[VX] - actor->pos[VX];
float deltaY = target->pos[VY] - actor->pos[VY];
if(actor->floorZ - actor->dropOffZ > 24 &&
actor->pos[VZ] <= actor->floorZ &&
!(actor->flags & (MF_DROPOFF | MF_FLOAT)) &&
!cfg.avoidDropoffs && avoidDropoff(actor))
{
// Move away from dropoff.
doNewChaseDir(actor, dropoffDelta[VX], dropoffDelta[VY]);
// $dropoff_fix
// If moving away from drop off, set movecount to 1 so that
// small steps are taken to get monster away from drop off.
actor->moveCount = 1;
return;
}
doNewChaseDir(actor, deltaX, deltaY);
}
/**
* If allaround is false, only look 180 degrees in front.
*
* @return @c true, if a player is targeted.
*/
static boolean lookForPlayers(mobj_t *actor, boolean allAround)
{
int c, stop, playerCount;
player_t *player;
angle_t an;
float dist;
playerCount = 0;
for(c = 0; c < MAXPLAYERS; ++c)
{
if(players[c].plr->inGame)
playerCount++;
}
// Are there any players?
if(!playerCount)
return false;
c = 0;
stop = (actor->lastLook - 1) & 3;
for(;; actor->lastLook = (actor->lastLook + 1) & 3)
{
if(!players[actor->lastLook].plr->inGame)
continue;
if(c++ == 2 || actor->lastLook == stop)
{ // Done looking.
return false;
}
player = &players[actor->lastLook];
if(P_MobjIsCamera(player->plr->mo))
continue;
if(player->health <= 0)
continue; // Player is already dead.
if(!P_CheckSight(actor, player->plr->mo))
continue; // Player is out of sight.
if(!allAround)
{
an = R_PointToAngle2(actor->pos[VX],
actor->pos[VY],
player->plr->mo->pos[VX],
player->plr->mo->pos[VY]);
an -= actor->angle;
if(an > ANG90 && an < ANG270)
{
dist =
P_ApproxDistance(player->plr->mo->pos[VX] - actor->pos[VX],
player->plr->mo->pos[VY] - actor->pos[VY]);
// If real close, react anyway.
if(dist > MELEERANGE)
continue; // Behind back.
}
}
actor->target = player->plr->mo;
return true;
}
}
static boolean massacreMobj(thinker_t* th, void* context)
{
int* count = (int*) context;
mobj_t* mo = (mobj_t *) th;
if(!mo->player && sentient(mo) && (mo->flags & MF_SHOOTABLE))
{
P_DamageMobj(mo, NULL, NULL, 10000, false);
(*count)++;
}
return true; // Continue iteration.
}
/**
* Kills all monsters.
*/
int P_Massacre(void)
{
int count = 0;
// Only massacre when actually in a map.
if(G_GetGameState() == GS_MAP)
{
DD_IterateThinkers(P_MobjThinker, massacreMobj, &count);
}
return count;
}
typedef struct {
mobjtype_t type;
size_t count;
} countmobjoftypeparams_t;
static boolean countMobjOfType(thinker_t* th, void* context)
{
countmobjoftypeparams_t *params = (countmobjoftypeparams_t*) context;
mobj_t* mo = (mobj_t *) th;
if(params->type == mo->type && mo->health > 0)
params->count++;
return true; // Continue iteration.
}
/**
* DOOM II special, map 32. Uses special tag 666.
*/
void C_DECL A_KeenDie(mobj_t* mo)
{
countmobjoftypeparams_t params;
A_Fall(mo);
// Check if there are no more Keens left in the map.
params.type = mo->type;
params.count = 0;
DD_IterateThinkers(P_MobjThinker, countMobjOfType, ¶ms);
if(!params.count)
{ // No Keens left alive.
linedef_t* dummyLine = P_AllocDummyLine();
P_ToXLine(dummyLine)->tag = 666;
EV_DoDoor(dummyLine, DT_OPEN);
P_FreeDummyLine(dummyLine);
}
}
/**
* Stay in state until a player is sighted.
*/
void C_DECL A_Look(mobj_t* actor)
{
sector_t* sec = NULL;
mobj_t* targ;
sec = P_GetPtrp(actor->subsector, DMU_SECTOR);
if(!sec)
return;
actor->threshold = 0; // Any shot will wake us up.
targ = P_ToXSector(sec)->soundTarget;
if(targ && (targ->flags & MF_SHOOTABLE))
{
actor->target = targ;
if(actor->flags & MF_AMBUSH)
{
if(P_CheckSight(actor, actor->target))
goto seeyou;
}
else
goto seeyou;
}
if(!lookForPlayers(actor, false))
return;
// Go into chase state.
seeyou:
if(actor->info->seeSound)
{
int sound;
switch(actor->info->seeSound)
{
case SFX_POSIT1:
case SFX_POSIT2:
case SFX_POSIT3:
sound = SFX_POSIT1 + P_Random() % 3;
break;
case SFX_BGSIT1:
case SFX_BGSIT2:
sound = SFX_BGSIT1 + P_Random() % 2;
break;
default:
sound = actor->info->seeSound;
break;
}
if(actor->flags2 & MF2_BOSS)
{ // Full volume.
S_StartSound(sound | DDSF_NO_ATTENUATION, actor);
}
else
{
S_StartSound(sound, actor);
}
}
P_MobjChangeState(actor, P_GetState(actor->type, SN_SEE));
}
/**
* Actor has a melee attack, so it tries to close as fast as possible.
*/
void C_DECL A_Chase(mobj_t* actor)
{
int delta;
statenum_t state;
if(actor->reactionTime)
actor->reactionTime--;
// Modify target threshold.
if(actor->threshold)
{
if(!actor->target || actor->target->health <= 0)
{
actor->threshold = 0;
}
else
actor->threshold--;
}
// Turn towards movement direction if not there yet.
if(actor->moveDir < DI_NODIR)
{
actor->angle &= (7 << 29);
delta = actor->angle - (actor->moveDir << 29);
if(delta > 0)
actor->angle -= ANG90 / 2;
else if(delta < 0)
actor->angle += ANG90 / 2;
}
if(!actor->target || !(actor->target->flags & MF_SHOOTABLE) ||
P_MobjIsCamera(actor->target))
{
// Look for a new target.
if(lookForPlayers(actor, true))
{ // Got a new target.
}
else
{
P_MobjChangeState(actor, P_GetState(actor->type, SN_SPAWN));
}
return;
}
// Do not attack twice in a row.
if(actor->flags & MF_JUSTATTACKED)
{
actor->flags &= ~MF_JUSTATTACKED;
if(gameSkill != SM_NIGHTMARE && !fastParm)
newChaseDir(actor);
return;
}
// Check for melee attack.
if((state = P_GetState(actor->type, SN_MELEE)) != S_NULL &&
checkMeleeRange(actor))
{
if(actor->info->attackSound)
S_StartSound(actor->info->attackSound, actor);
P_MobjChangeState(actor, state);
return;
}
// Check for missile attack.
if((state = P_GetState(actor->type, SN_MISSILE)) != S_NULL)
{
if(!(gameSkill < SM_NIGHTMARE && !fastParm && actor->moveCount))
{
if(checkMissileRange(actor))
{
P_MobjChangeState(actor, state);
actor->flags |= MF_JUSTATTACKED;
return;
}
}
}
// Possibly choose another target.
if(IS_NETGAME && !actor->threshold &&
!P_CheckSight(actor, actor->target))
{
if(lookForPlayers(actor, true))
return; // Got a new target.
}
// Chase towards player.
if(--actor->moveCount < 0 || !moveMobj(actor, false))
{
newChaseDir(actor);
}
// Make active sound.
if(actor->info->activeSound && P_Random() < 3)
{
S_StartSound(actor->info->activeSound, actor);
}
}
void C_DECL A_FaceTarget(mobj_t *actor)
{
if(!actor->target)
return;
actor->turnTime = true; // $visangle-facetarget
actor->flags &= ~MF_AMBUSH;
actor->angle =
R_PointToAngle2(actor->pos[VX], actor->pos[VY],
actor->target->pos[VX], actor->target->pos[VY]);
if(actor->target->flags & MF_SHADOW)
actor->angle += (P_Random() - P_Random()) << 21;
}
void C_DECL A_PosAttack(mobj_t *actor)
{
int damage;
angle_t angle;
float slope;
if(!actor->target)
return;
A_FaceTarget(actor);
angle = actor->angle;
slope = P_AimLineAttack(actor, angle, MISSILERANGE);
S_StartSound(SFX_PISTOL, actor);
angle += (P_Random() - P_Random()) << 20;
damage = ((P_Random() % 5) + 1) * 3;
P_LineAttack(actor, angle, MISSILERANGE, slope, damage);
}
void C_DECL A_SPosAttack(mobj_t *actor)
{
int i, damage;
angle_t angle, bangle;
float slope;
if(!actor->target)
return;
S_StartSound(SFX_SHOTGN, actor);
A_FaceTarget(actor);
bangle = actor->angle;
slope = P_AimLineAttack(actor, bangle, MISSILERANGE);
for(i = 0; i < 3; ++i)
{
angle = bangle + ((P_Random() - P_Random()) << 20);
damage = ((P_Random() % 5) + 1) * 3;
P_LineAttack(actor, angle, MISSILERANGE, slope, damage);
}
}
void C_DECL A_CPosAttack(mobj_t* actor)
{
int angle, bangle, damage;
float slope;
if(!actor->target)
return;
S_StartSound(SFX_SHOTGN, actor);
A_FaceTarget(actor);
bangle = actor->angle;
slope = P_AimLineAttack(actor, bangle, MISSILERANGE);
angle = bangle + ((P_Random() - P_Random()) << 20);
damage = ((P_Random() % 5) + 1) * 3;
P_LineAttack(actor, angle, MISSILERANGE, slope, damage);
}
void C_DECL A_CPosRefire(mobj_t* actor)
{
// Keep firing unless target got out of sight.
A_FaceTarget(actor);
if(P_Random() < 40)
return;
if(!actor->target || actor->target->health <= 0 ||
!P_CheckSight(actor, actor->target))
{
P_MobjChangeState(actor, P_GetState(actor->type, SN_SEE));
}
}
void C_DECL A_SpidRefire(mobj_t* actor)
{
// Keep firing unless target got out of sight.
A_FaceTarget(actor);
if(P_Random() < 10)
return;
if(!actor->target || actor->target->health <= 0 ||
!P_CheckSight(actor, actor->target))
{
P_MobjChangeState(actor, P_GetState(actor->type, SN_SEE));
}
}
void C_DECL A_BspiAttack(mobj_t *actor)
{
if(!actor->target)
return;
A_FaceTarget(actor);
// Launch a missile.
P_SpawnMissile(MT_ARACHPLAZ, actor, actor->target);
}
void C_DECL A_TroopAttack(mobj_t *actor)
{
int damage;
if(!actor->target)
return;
A_FaceTarget(actor);
if(checkMeleeRange(actor))
{
S_StartSound(SFX_CLAW, actor);
damage = (P_Random() % 8 + 1) * 3;
P_DamageMobj(actor->target, actor, actor, damage, false);
return;
}
P_SpawnMissile(MT_TROOPSHOT, actor, actor->target);
}
void C_DECL A_SargAttack(mobj_t *actor)
{
int damage;
if(!actor->target)
return;
A_FaceTarget(actor);
if(checkMeleeRange(actor))
{
damage = ((P_Random() % 10) + 1) * 4;
P_DamageMobj(actor->target, actor, actor, damage, false);
}
}
void C_DECL A_HeadAttack(mobj_t *actor)
{
int damage;
if(!actor->target)
return;
A_FaceTarget(actor);
if(checkMeleeRange(actor))
{
damage = (P_Random() % 6 + 1) * 10;
P_DamageMobj(actor->target, actor, actor, damage, false);
return;
}
// Launch a missile.
P_SpawnMissile(MT_HEADSHOT, actor, actor->target);
}
/**
* Cyber Demon: Missile Attack.
*/
void C_DECL A_CyberAttack(mobj_t *actor)
{
if(!actor->target)
return;
A_FaceTarget(actor);
P_SpawnMissile(MT_ROCKET, actor, actor->target);
}
void C_DECL A_BruisAttack(mobj_t *actor)
{
int damage;
if(!actor->target)
return;
if(checkMeleeRange(actor))
{
S_StartSound(SFX_CLAW, actor);
damage = (P_Random() % 8 + 1) * 10;
P_DamageMobj(actor->target, actor, actor, damage, false);
return;
}
// Launch a missile.
P_SpawnMissile(MT_BRUISERSHOT, actor, actor->target);
}
void C_DECL A_SkelMissile(mobj_t *actor)
{
mobj_t *mo;
if(!actor->target)
return;
A_FaceTarget(actor);
mo = P_SpawnMissile(MT_TRACER, actor, actor->target);
if(mo)
{
mo->pos[VX] += mo->mom[MX];
mo->pos[VY] += mo->mom[MY];
mo->tracer = actor->target;
}
}
void C_DECL A_Tracer(mobj_t* actor)
{
uint an;
angle_t angle;
float dist;
float slope;
mobj_t* dest, *th;
if((int) GAMETIC & 3)
return;