void C4Effect::Kill(C4Object *pObj) {
// active?
C4Effect *pLastRemovedEffect = NULL;
if (IsActive())
// then temp remove all higher priority effects
TempRemoveUpperEffects(pObj, false, &pLastRemovedEffect);
else
// otherwise: temp reactivate before real removal
// this happens only if a lower priority effect removes an upper priority
// effect in its add- or removal-call
if (pFnStart && iPriority != 1)
pFnStart->Exec(pCommandTarget,
&C4AulParSet(C4VObj(pObj), C4VInt(iNumber),
C4VInt(C4FxCall_TempAddForRemoval)));
// remove this effect
int32_t iPrevPrio = iPriority;
SetDead();
if (pFnStop)
if (pFnStop->Exec(pCommandTarget,
&C4AulParSet(C4VObj(pObj), C4VInt(iNumber))).getInt() ==
C4Fx_Stop_Deny)
// effect denied to be removed: recover
iPriority = iPrevPrio;
// reactivate other effects
TempReaddUpperEffects(pObj, pLastRemovedEffect);
}
void C4Effect::Kill()
{
// active?
C4Effect *pLastRemovedEffect=NULL;
if (IsActive())
// then temp remove all higher priority effects
TempRemoveUpperEffects(false, &pLastRemovedEffect);
else
// otherwise: temp reactivate before real removal
// this happens only if a lower priority effect removes an upper priority effect in its add- or removal-call
if (iPriority!=1) CallStart(C4FxCall_TempAddForRemoval, C4Value(), C4Value(), C4Value(), C4Value());
// remove this effect
int32_t iPrevPrio = iPriority; SetDead();
if (CallStop(C4FxCall_Normal, false) == C4Fx_Stop_Deny)
// effect denied to be removed: recover
iPriority = iPrevPrio;
// reactivate other effects
TempReaddUpperEffects(pLastRemovedEffect);
// Update OnFire cache
if (Target && WildcardMatch(C4Fx_AnyFire, GetName()))
if (!Get(C4Fx_AnyFire))
Target->SetOnFire(false);
if (IsDead() && !GetCallbackScript())
Call(P_Destruction, &C4AulParSet(C4FxCall_Normal));
}
C4Effect * C4Effect::Init(C4PropList *pForObj, int32_t iPrio, const C4Value &rVal1, const C4Value &rVal2, const C4Value &rVal3, const C4Value &rVal4)
{
Target = pForObj;
// ask all effects with higher priority first - except for prio 1 effects, which are considered out of the priority call chain (as per doc)
bool fRemoveUpper = (iPrio != 1);
// note that apart from denying the creation of this effect, higher priority effects may also remove themselves
// or do other things with the effect list
// (which does not quite make sense, because the effect might be denied by another effect)
// so the priority is assigned after this call, marking this effect dead before it's definitely valid
if (fRemoveUpper && pNext)
{
C4Effect * pEffect2 = pNext->Check(GetName(), iPrio, iInterval, rVal1, rVal2, rVal3, rVal4);
if (pEffect2)
{
// effect denied (iResult = -1), added to an effect (iResult = Number of that effect)
// or added to an effect that destroyed itself (iResult = -2)
if (pEffect2 != (C4Effect*)C4Fx_Effect_Deny && pEffect2 != (C4Effect*)C4Fx_Effect_Annul) return pEffect2;
// effect is still marked dead
return 0;
}
}
// init effect
// higher-priority effects must be deactivated temporarily, and then reactivated regarding the new effect
// higher-level effects should not be inserted during the process of removing or adding a lower-level effect
// because that would cause a wrong initialization order
// (hardly ever causing trouble, however...)
C4Effect *pLastRemovedEffect=NULL;
C4AulFunc * pFn;
if (!GetCallbackScript())
{
Call(P_Construction, &C4AulParSet(rVal1, rVal2, rVal3, rVal4)).getInt();
if (pForObj && !pForObj->Status) return 0;
pFn = GetFunc(P_Start);
}
else
pFn = pFnStart;
if (fRemoveUpper && pNext && pFn)
TempRemoveUpperEffects(false, &pLastRemovedEffect);
// bad things may happen
if (pForObj && !pForObj->Status) return 0; // this will be invalid!
iPriority = iPrio; // validate effect now
if (CallStart(0, rVal1, rVal2, rVal3, rVal4) == C4Fx_Start_Deny)
// the effect denied to start: assume it hasn't, and mark it dead
SetDead();
if (fRemoveUpper && pNext && pFn)
TempReaddUpperEffects(pLastRemovedEffect);
if (pForObj && !pForObj->Status) return 0; // this will be invalid!
// Update OnFire cache
if (!IsDead() && pForObj && WildcardMatch(C4Fx_AnyFire, GetName()))
pForObj->SetOnFire(true);
return this;
}
void C4Effect::Kill(C4Object *pObj)
{
// active?
C4Effect *pLastRemovedEffect=NULL;
if (IsActive())
// then temp remove all higher priority effects
TempRemoveUpperEffects(pObj, false, &pLastRemovedEffect);
else
// otherwise: temp reactivate before real removal
// this happens only if a lower priority effect removes an upper priority effect in its add- or removal-call
if (pFnStart && iPriority!=1) pFnStart->Exec(CommandTarget, &C4AulParSet(C4VObj(pObj), C4VPropList(this), C4VInt(C4FxCall_TempAddForRemoval)));
// remove this effect
int32_t iPrevPrio = iPriority; SetDead();
if (pFnStop)
if (pFnStop->Exec(CommandTarget, &C4AulParSet(C4VObj(pObj), C4VPropList(this), C4VInt(C4FxCall_Normal))).getInt() == C4Fx_Stop_Deny)
// effect denied to be removed: recover
iPriority = iPrevPrio;
// reactivate other effects
TempReaddUpperEffects(pObj, pLastRemovedEffect);
// Update OnFire cache
if (pObj && WildcardMatch(C4Fx_AnyFire, GetName()))
if (!Get(C4Fx_AnyFire))
pObj->SetOnFire(false);
}
C4Effect::C4Effect(C4Object *pForObj, const char *szName, int32_t iPrio,
int32_t iTimerIntervall, C4Object *pCmdTarget,
C4ID idCmdTarget, C4Value &rVal1, C4Value &rVal2,
C4Value &rVal3, C4Value &rVal4, bool fDoCalls,
int32_t &riStoredAsNumber)
: EffectVars(0) {
C4Effect *pPrev, *pCheck;
// assign values
SCopy(szName, Name, C4MaxDefString);
iPriority = 0; // effect is not yet valid; some callbacks to other effects are
// done before
riStoredAsNumber = 0;
iIntervall = iTimerIntervall;
iTime = 0;
pCommandTarget = pCmdTarget;
idCommandTarget = idCmdTarget;
AssignCallbackFunctions();
// get effect target
C4Effect **ppEffectList = pForObj ? &pForObj->pEffects : &Game.pGlobalEffects;
// assign a unique number for that object
iNumber = 1;
for (pCheck = *ppEffectList; pCheck; pCheck = pCheck->pNext)
if (pCheck->iNumber >= iNumber)
iNumber = pCheck->iNumber + 1;
// register into object
pPrev = *ppEffectList;
if (pPrev && Abs(pPrev->iPriority) < iPrio) {
while (pCheck = pPrev->pNext)
if (Abs(pCheck->iPriority) >= iPrio)
break;
else
pPrev = pCheck;
// insert after previous
pNext = pPrev->pNext;
pPrev->pNext = this;
} else {
// insert as first effect
pNext = *ppEffectList;
*ppEffectList = this;
}
// no calls to be done: finished here
if (!fDoCalls)
return;
// ask all effects with higher priority first - except for prio 1 effects,
// which are considered out of the priority call chain (as per doc)
bool fRemoveUpper = (iPrio != 1);
// note that apart from denying the creation of this effect, higher priority
// effects may also remove themselves
// or do other things with the effect list
// (which does not quite make sense, because the effect might be denied by
// another effect)
// so the priority is assigned after this call, marking this effect dead
// before it's definitely valid
if (fRemoveUpper && pNext) {
int32_t iResult = pNext->Check(pForObj, Name, iPrio, iIntervall, rVal1,
rVal2, rVal3, rVal4);
if (iResult) {
// effect denied (iResult = -1), added to an effect (iResult = Number of
// that effect)
// or added to an effect that destroyed itself (iResult = -2)
if (iResult != C4Fx_Effect_Deny)
riStoredAsNumber = iResult;
// effect is still marked dead
return;
}
}
// init effect
// higher-priority effects must be deactivated temporarily, and then
// reactivated regarding the new effect
// higher-level effects should not be inserted during the process of removing
// or adding a lower-level effect
// because that would cause a wrong initialization order
// (hardly ever causing trouble, however...)
C4Effect *pLastRemovedEffect = NULL;
if (fRemoveUpper && pNext && pFnStart)
TempRemoveUpperEffects(pForObj, false, &pLastRemovedEffect);
// bad things may happen
if (pForObj && !pForObj->Status)
return; // this will be invalid!
iPriority = iPrio; // validate effect now
if (pFnStart)
if (pFnStart->Exec(pCommandTarget,
&C4AulParSet(C4VObj(pForObj), C4VInt(iNumber), C4VInt(0),
rVal1, rVal2, rVal3, rVal4)).getInt() ==
C4Fx_Start_Deny)
// the effect denied to start: assume it hasn't, and mark it dead
SetDead();
if (fRemoveUpper && pNext && pFnStart)
TempReaddUpperEffects(pForObj, pLastRemovedEffect);
if (pForObj && !pForObj->Status)
return; // this will be invalid!
// this effect has been created; hand back the number
riStoredAsNumber = iNumber;
}
