PClassActor *PClassActor::GetReplacement(bool lookskill)
{
FName skillrepname;
if (lookskill && AllSkills.Size() > (unsigned)gameskill)
{
skillrepname = AllSkills[gameskill].GetReplacement(TypeName);
if (skillrepname != NAME_None && PClass::FindClass(skillrepname) == NULL)
{
Printf("Warning: incorrect actor name in definition of skill %s: \n"
"class %s is replaced by non-existent class %s\n"
"Skill replacement will be ignored for this actor.\n",
AllSkills[gameskill].Name.GetChars(),
TypeName.GetChars(), skillrepname.GetChars());
AllSkills[gameskill].SetReplacement(TypeName, NAME_None);
AllSkills[gameskill].SetReplacedBy(skillrepname, NAME_None);
lookskill = false; skillrepname = NAME_None;
}
}
if (Replacement == NULL && (!lookskill || skillrepname == NAME_None))
{
return this;
}
// The Replacement field is temporarily NULLed to prevent
// potential infinite recursion.
PClassActor *savedrep = Replacement;
Replacement = NULL;
PClassActor *rep = savedrep;
// Handle skill-based replacement here. It has precedence on DECORATE replacement
// in that the skill replacement is applied first, followed by DECORATE replacement
// on the actor indicated by the skill replacement.
if (lookskill && (skillrepname != NAME_None))
{
rep = PClass::FindActor(skillrepname);
}
// Now handle DECORATE replacement chain
// Skill replacements are not recursive, contrarily to DECORATE replacements
rep = rep->GetReplacement(false);
// Reset the temporarily NULLed field
Replacement = savedrep;
return rep;
}
bool P_Thing_Spawn (int tid, AActor *source, int type, DAngle angle, bool fog, int newtid)
{
int rtn = 0;
PClassActor *kind;
AActor *spot, *mobj;
FActorIterator iterator (tid);
kind = P_GetSpawnableType(type);
if (kind == NULL)
return false;
// Handle decorate replacements.
kind = kind->GetReplacement();
if ((GetDefaultByType(kind)->flags3 & MF3_ISMONSTER) &&
((dmflags & DF_NO_MONSTERS) || (level.flags2 & LEVEL2_NOMONSTERS)))
return false;
if (tid == 0)
{
spot = source;
}
else
{
spot = iterator.Next();
}
while (spot != NULL)
{
mobj = Spawn (kind, spot->Pos(), ALLOW_REPLACE);
if (mobj != NULL)
{
ActorFlags2 oldFlags2 = mobj->flags2;
mobj->flags2 |= MF2_PASSMOBJ;
if (P_TestMobjLocation (mobj))
{
rtn++;
mobj->Angles.Yaw = (angle != 1000000. ? angle : spot->Angles.Yaw);
if (fog)
{
P_SpawnTeleportFog(mobj, spot->PosPlusZ(TELEFOGHEIGHT), false, true);
}
if (mobj->flags & MF_SPECIAL)
mobj->flags |= MF_DROPPED; // Don't respawn
mobj->tid = newtid;
mobj->AddToHash ();
mobj->flags2 = oldFlags2;
}
else
{
// If this is a monster, subtract it from the total monster
// count, because it already added to it during spawning.
mobj->ClearCounters();
mobj->Destroy ();
}
}
spot = iterator.Next();
}
return rtn != 0;
}
void cht_Give (player_t *player, const char *name, int amount)
{
enum { ALL_NO, ALL_YES, ALL_YESYES } giveall;
int i;
PClassActor *type;
if (player != &players[consoleplayer])
Printf ("%s is a cheater: give %s\n", player->userinfo.GetName(), name);
if (player->mo == NULL || player->health <= 0)
{
return;
}
giveall = ALL_NO;
if (stricmp (name, "all") == 0)
{
giveall = ALL_YES;
}
else if (stricmp (name, "everything") == 0)
{
giveall = ALL_YESYES;
}
if (stricmp (name, "health") == 0)
{
if (amount > 0)
{
player->mo->health += amount;
player->health = player->mo->health;
}
else
{
player->health = player->mo->health = player->mo->GetMaxHealth();
}
}
if (giveall || stricmp (name, "backpack") == 0)
{
// Select the correct type of backpack based on the game
type = PClass::FindActor(gameinfo.backpacktype);
if (type != NULL)
{
player->mo->GiveInventory(static_cast<PClassInventory *>(type), 1, true);
}
if (!giveall)
return;
}
if (giveall || stricmp (name, "ammo") == 0)
{
// Find every unique type of ammo. Give it to the player if
// he doesn't have it already, and set each to its maximum.
for (unsigned int i = 0; i < PClassActor::AllActorClasses.Size(); ++i)
{
PClassActor *type = PClassActor::AllActorClasses[i];
if (type->ParentClass == RUNTIME_CLASS(AAmmo))
{
PClassAmmo *atype = static_cast<PClassAmmo *>(type);
AInventory *ammo = player->mo->FindInventory(atype);
if (ammo == NULL)
{
ammo = static_cast<AInventory *>(Spawn (atype));
ammo->AttachToOwner (player->mo);
ammo->Amount = ammo->MaxAmount;
}
else if (ammo->Amount < ammo->MaxAmount)
{
ammo->Amount = ammo->MaxAmount;
}
}
}
if (!giveall)
return;
}
if (giveall || stricmp (name, "armor") == 0)
{
if (gameinfo.gametype != GAME_Hexen)
{
ABasicArmorPickup *armor = Spawn<ABasicArmorPickup> ();
armor->SaveAmount = 100*deh.BlueAC;
armor->SavePercent = gameinfo.Armor2Percent > 0? gameinfo.Armor2Percent : 0.5;
if (!armor->CallTryPickup (player->mo))
{
armor->Destroy ();
}
}
else
{
for (i = 0; i < 4; ++i)
{
AHexenArmor *armor = Spawn<AHexenArmor> ();
armor->health = i;
armor->Amount = 0;
if (!armor->CallTryPickup (player->mo))
{
armor->Destroy ();
}
}
}
if (!giveall)
return;
}
if (giveall || stricmp (name, "keys") == 0)
{
for (unsigned int i = 0; i < PClassActor::AllActorClasses.Size(); ++i)
{
if (PClassActor::AllActorClasses[i]->IsDescendantOf (RUNTIME_CLASS(AKey)))
{
AKey *key = (AKey *)GetDefaultByType (PClassActor::AllActorClasses[i]);
if (key->KeyNumber != 0)
{
key = static_cast<AKey *>(Spawn(static_cast<PClassActor *>(PClassActor::AllActorClasses[i])));
if (!key->CallTryPickup (player->mo))
{
key->Destroy ();
}
}
}
}
if (!giveall)
return;
}
if (giveall || stricmp (name, "weapons") == 0)
{
AWeapon *savedpending = player->PendingWeapon;
for (unsigned int i = 0; i < PClassActor::AllActorClasses.Size(); ++i)
{
type = PClassActor::AllActorClasses[i];
// Don't give replaced weapons unless the replacement was done by Dehacked.
if (type != RUNTIME_CLASS(AWeapon) &&
type->IsDescendantOf (RUNTIME_CLASS(AWeapon)) &&
(static_cast<PClassActor *>(type)->GetReplacement() == type ||
static_cast<PClassActor *>(type)->GetReplacement()->IsDescendantOf(RUNTIME_CLASS(ADehackedPickup))))
{
// Give the weapon only if it belongs to the current game or
if (player->weapons.LocateWeapon(static_cast<PClassWeapon*>(type), NULL, NULL))
{
AWeapon *def = (AWeapon*)GetDefaultByType (type);
if (giveall == ALL_YESYES || !(def->WeaponFlags & WIF_CHEATNOTWEAPON))
{
player->mo->GiveInventory(static_cast<PClassInventory *>(type), 1, true);
}
}
}
}
player->PendingWeapon = savedpending;
if (!giveall)
return;
}
if (giveall || stricmp (name, "artifacts") == 0)
{
for (unsigned int i = 0; i < PClassActor::AllActorClasses.Size(); ++i)
{
type = PClassActor::AllActorClasses[i];
if (type->IsDescendantOf (RUNTIME_CLASS(AInventory)))
{
AInventory *def = (AInventory*)GetDefaultByType (type);
if (def->Icon.isValid() && def->MaxAmount > 1 &&
!type->IsDescendantOf (RUNTIME_CLASS(APuzzleItem)) &&
!type->IsDescendantOf (RUNTIME_CLASS(APowerup)) &&
!type->IsDescendantOf (RUNTIME_CLASS(AArmor)))
{
// Do not give replaced items unless using "give everything"
if (giveall == ALL_YESYES || type->GetReplacement() == type)
{
player->mo->GiveInventory(static_cast<PClassInventory *>(type), amount <= 0 ? def->MaxAmount : amount, true);
}
}
}
}
if (!giveall)
return;
}
if (giveall || stricmp (name, "puzzlepieces") == 0)
{
for (unsigned int i = 0; i < PClassActor::AllActorClasses.Size(); ++i)
{
type = PClassActor::AllActorClasses[i];
if (type->IsDescendantOf (RUNTIME_CLASS(APuzzleItem)))
{
AInventory *def = (AInventory*)GetDefaultByType (type);
if (def->Icon.isValid())
{
// Do not give replaced items unless using "give everything"
if (giveall == ALL_YESYES || type->GetReplacement() == type)
{
player->mo->GiveInventory(static_cast<PClassInventory *>(type), amount <= 0 ? def->MaxAmount : amount, true);
}
}
}
}
if (!giveall)
return;
}
if (giveall)
return;
type = PClass::FindActor(name);
if (type == NULL || !type->IsDescendantOf (RUNTIME_CLASS(AInventory)))
{
if (player == &players[consoleplayer])
Printf ("Unknown item \"%s\"\n", name);
}
else
{
player->mo->GiveInventory(static_cast<PClassInventory *>(type), amount, true);
}
return;
}
bool P_Thing_Projectile (int tid, AActor *source, int type, const char *type_name, DAngle angle,
double speed, double vspeed, int dest, AActor *forcedest, int gravity, int newtid,
bool leadTarget)
{
int rtn = 0;
PClassActor *kind;
AActor *spot, *mobj, *targ = forcedest;
FActorIterator iterator (tid);
int defflags3;
if (type_name == NULL)
{
kind = P_GetSpawnableType(type);
}
else
{
kind = PClass::FindActor(type_name);
}
if (kind == NULL)
{
return false;
}
// Handle decorate replacements.
kind = kind->GetReplacement();
defflags3 = GetDefaultByType(kind)->flags3;
if ((defflags3 & MF3_ISMONSTER) &&
((dmflags & DF_NO_MONSTERS) || (level.flags2 & LEVEL2_NOMONSTERS)))
return false;
if (tid == 0)
{
spot = source;
}
else
{
spot = iterator.Next();
}
while (spot != NULL)
{
FActorIterator tit (dest);
if (dest == 0 || (targ = tit.Next()))
{
do
{
double z = spot->Z();
if (defflags3 & MF3_FLOORHUGGER)
{
z = ONFLOORZ;
}
else if (defflags3 & MF3_CEILINGHUGGER)
{
z = ONCEILINGZ;
}
else if (z != ONFLOORZ)
{
z -= spot->Floorclip;
}
mobj = Spawn (kind, spot->PosAtZ(z), ALLOW_REPLACE);
if (mobj)
{
mobj->tid = newtid;
mobj->AddToHash ();
P_PlaySpawnSound(mobj, spot);
if (gravity)
{
mobj->flags &= ~MF_NOGRAVITY;
if (!(mobj->flags3 & MF3_ISMONSTER) && gravity == 1)
{
mobj->Gravity = 1./8;
}
}
else
{
mobj->flags |= MF_NOGRAVITY;
}
mobj->target = spot;
if (targ != NULL)
{
DVector3 aim = mobj->Vec3To(targ);
aim.Z += targ->Height / 2;
if (leadTarget && speed > 0 && !targ->Vel.isZero())
{
// Aiming at the target's position some time in the future
// is basically just an application of the law of sines:
// a/sin(A) = b/sin(B)
// Thanks to all those on the notgod phorum for helping me
// with the math. I don't think I would have thought of using
// trig alone had I been left to solve it by myself.
DVector3 tvel = targ->Vel;
if (!(targ->flags & MF_NOGRAVITY) && targ->waterlevel < 3)
{ // If the target is subject to gravity and not underwater,
// assume that it isn't moving vertically. Thanks to gravity,
// even if we did consider the vertical component of the target's
// velocity, we would still miss more often than not.
tvel.Z = 0.0;
if (targ->Vel.X == 0 && targ->Vel.Y == 0)
{
goto nolead;
}
}
double dist = aim.Length();
double targspeed = tvel.Length();
double ydotx = -aim | tvel;
double a = g_acos (clamp (ydotx / targspeed / dist, -1.0, 1.0));
double multiplier = double(pr_leadtarget.Random2())*0.1/255+1.1;
double sinb = -clamp (targspeed*multiplier * g_sin(a) / speed, -1.0, 1.0);
// Use the cross product of two of the triangle's sides to get a
// rotation vector.
DVector3 rv(tvel ^ aim);
// The vector must be normalized.
rv.MakeUnit();
// Now combine the rotation vector with angle b to get a rotation matrix.
DMatrix3x3 rm(rv, g_cos(g_asin(sinb)), sinb);
// And multiply the original aim vector with the matrix to get a
// new aim vector that leads the target.
DVector3 aimvec = rm * aim;
// And make the projectile follow that vector at the desired speed.
mobj->Vel = aimvec * (speed / dist);
mobj->AngleFromVel();
}
else
{
nolead:
mobj->Angles.Yaw = mobj->AngleTo(targ);
mobj->Vel = aim.Resized (speed);
}
if (mobj->flags2 & MF2_SEEKERMISSILE)
{
mobj->tracer = targ;
}
}
else
{
mobj->Angles.Yaw = angle;
mobj->VelFromAngle(speed);
mobj->Vel.Z = vspeed;
}
// Set the missile's speed to reflect the speed it was spawned at.
if (mobj->flags & MF_MISSILE)
{
mobj->Speed = mobj->VelToSpeed();
}
// Hugger missiles don't have any vertical velocity
if (mobj->flags3 & (MF3_FLOORHUGGER|MF3_CEILINGHUGGER))
{
mobj->Vel.Z = 0;
}
if (mobj->flags & MF_SPECIAL)
{
mobj->flags |= MF_DROPPED;
}
if (mobj->flags & MF_MISSILE)
{
if (P_CheckMissileSpawn (mobj, spot->radius))
{
rtn = true;
}
}
else if (!P_TestMobjLocation (mobj))
{
// If this is a monster, subtract it from the total monster
// count, because it already added to it during spawning.
mobj->ClearCounters();
mobj->Destroy ();
}
else
{
// It spawned fine.
rtn = 1;
}
}
} while (dest != 0 && (targ = tit.Next()));
}
spot = iterator.Next();
}
return rtn != 0;
}
bool FLevelLocals::EV_Thing_Projectile (int tid, AActor *source, int type, const char *type_name, DAngle angle,
double speed, double vspeed, int dest, AActor *forcedest, int gravity, int newtid,
bool leadTarget)
{
int rtn = 0;
PClassActor *kind;
AActor *spot, *mobj, *targ = forcedest;
auto iterator = GetActorIterator(tid);
int defflags3;
if (type_name == NULL)
{
kind = P_GetSpawnableType(type);
}
else
{
kind = PClass::FindActor(type_name);
}
if (kind == NULL)
{
return false;
}
// Handle decorate replacements.
kind = kind->GetReplacement(this);
defflags3 = GetDefaultByType(kind)->flags3;
if ((defflags3 & MF3_ISMONSTER) &&
((dmflags & DF_NO_MONSTERS) || (flags2 & LEVEL2_NOMONSTERS)))
return false;
if (tid == 0)
{
spot = source;
}
else
{
spot = iterator.Next();
}
while (spot != NULL)
{
auto tit = GetActorIterator(dest);
if (dest == 0 || (targ = tit.Next()))
{
do
{
double z = spot->Z();
if (defflags3 & MF3_FLOORHUGGER)
{
z = ONFLOORZ;
}
else if (defflags3 & MF3_CEILINGHUGGER)
{
z = ONCEILINGZ;
}
else if (z != ONFLOORZ)
{
z -= spot->Floorclip;
}
mobj = Spawn (spot->Level, kind, spot->PosAtZ(z), ALLOW_REPLACE);
if (mobj)
{
mobj->tid = newtid;
mobj->AddToHash ();
P_PlaySpawnSound(mobj, spot);
if (gravity)
{
mobj->flags &= ~MF_NOGRAVITY;
if (!(mobj->flags3 & MF3_ISMONSTER) && gravity == 1)
{
mobj->Gravity = 1./8;
}
}
else
{
mobj->flags |= MF_NOGRAVITY;
}
mobj->target = spot;
if (targ != nullptr)
{
VelIntercept(targ, mobj, speed, false, false, leadTarget);
if (mobj->flags2 & MF2_SEEKERMISSILE)
{
mobj->tracer = targ;
}
}
else
{
mobj->Angles.Yaw = angle;
mobj->VelFromAngle(speed);
mobj->Vel.Z = vspeed;
}
// Set the missile's speed to reflect the speed it was spawned at.
if (mobj->flags & MF_MISSILE)
{
mobj->Speed = mobj->VelToSpeed();
}
// Hugger missiles don't have any vertical velocity
if (mobj->flags3 & (MF3_FLOORHUGGER|MF3_CEILINGHUGGER))
{
mobj->Vel.Z = 0;
}
if (mobj->flags & MF_SPECIAL)
{
mobj->flags |= MF_DROPPED;
}
if (mobj->flags & MF_MISSILE)
{
if (P_CheckMissileSpawn (mobj, spot->radius))
{
rtn = true;
}
}
else if (!P_TestMobjLocation (mobj))
{
// If this is a monster, subtract it from the total monster
// count, because it already added to it during spawning.
mobj->ClearCounters();
mobj->Destroy ();
}
else
{
// It spawned fine.
rtn = 1;
}
}
} while (dest != 0 && (targ = tit.Next()));
}
spot = iterator.Next();
}
return rtn != 0;
}
