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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * | ||
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| * | ||
| */ | ||
|
|
||
| #include "precompiled.h" | ||
|
|
||
| TYPEDESCRIPTION CTriggerRandom::m_SaveData[] = | ||
| { | ||
| DEFINE_FIELD(CTriggerRandom, m_uiTargetsUse, FIELD_INTEGER), | ||
| DEFINE_ARRAY(CTriggerRandom, m_iszTargets, FIELD_STRING, MAX_TR_TARGETS), | ||
| DEFINE_FIELD(CTriggerRandom, m_bActive, FIELD_CHARACTER), | ||
| DEFINE_FIELD(CTriggerRandom, m_flMinDelay, FIELD_FLOAT), | ||
| DEFINE_FIELD(CTriggerRandom, m_flMaxDelay, FIELD_FLOAT) | ||
| }; | ||
|
|
||
| LINK_ENTITY_TO_CLASS(trigger_random, CTriggerRandom, CCSTriggerRandom) | ||
| LINK_ENTITY_TO_CLASS(trigger_random_time, CTriggerRandom, CCSTriggerRandom) // Obsolete: use trigger_random with Timed flag | ||
| LINK_ENTITY_TO_CLASS(trigger_random_unique, CTriggerRandom, CCSTriggerRandom) // Obsolete: use trigger_ranom with Random flag. Unique Trigger Random. Randomly selects an unused trigger. | ||
|
|
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| IMPLEMENT_SAVERESTORE(CTriggerRandom, CBaseDelay) | ||
|
|
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| void CTriggerRandom::Spawn() | ||
| { | ||
| m_bActive = (pev->spawnflags & SF_RANDOM_STARTON) == SF_RANDOM_STARTON; | ||
|
|
||
| if (FClassnameIs(pev, "trigger_random_time")) | ||
| { | ||
| pev->spawnflags |= SF_RANDOM_TIMED; | ||
| } | ||
| else if (FClassnameIs(pev, "trigger_random_unique")) | ||
| { | ||
| pev->spawnflags |= SF_RANDOM_UNIQUE; | ||
|
|
||
| if (pev->spawnflags & SF_RANDOM_STARTON) | ||
| { | ||
| pev->spawnflags &= ~SF_RANDOM_STARTON; | ||
| pev->spawnflags |= SF_RANDOM_REUSABLE; | ||
| } | ||
| } | ||
|
|
||
| if (pev->spawnflags & SF_RANDOM_TIMED) | ||
| { | ||
| pev->nextthink = gpGlobals->time + RandomDelay(); | ||
| SetThink(&CTriggerRandom::RandomThink); | ||
| } | ||
|
|
||
| if (pev->spawnflags & SF_RANDOM_UNIQUE) | ||
| { | ||
| InitUnique(); | ||
| } | ||
| } | ||
|
|
||
| void CTriggerRandom::KeyValue(KeyValueData *pkvd) | ||
| { | ||
| if (FStrEq(pkvd->szKeyName, "target_count")) | ||
| { | ||
| m_uiTargetsUse = Q_atoi(pkvd->szValue); | ||
|
|
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| if (m_uiTargetsUse >= MAX_TR_TARGETS) | ||
| { | ||
| m_uiTargetsUse = MAX_TR_TARGETS; | ||
| } | ||
|
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| pkvd->fHandled = TRUE; | ||
| } | ||
| else if (FStrEq(pkvd->szKeyName, "min_delay")) | ||
| { | ||
| m_flMinDelay = Q_atof(pkvd->szValue); | ||
|
|
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| if (m_flMaxDelay > 0 && m_flMinDelay > m_flMaxDelay) | ||
| { | ||
| SWAP(m_flMinDelay, m_flMaxDelay); | ||
| } | ||
|
|
||
| pkvd->fHandled = TRUE; | ||
| } | ||
| else if (FStrEq(pkvd->szKeyName, "max_delay")) | ||
| { | ||
| m_flMaxDelay = Q_atof(pkvd->szValue); | ||
|
|
||
| if (m_flMinDelay > 0 && m_flMaxDelay < m_flMinDelay) | ||
| { | ||
| SWAP(m_flMinDelay, m_flMaxDelay); | ||
| } | ||
|
|
||
| pkvd->fHandled = TRUE; | ||
| } | ||
| else | ||
| { | ||
| if (FStrnEq(pkvd->szKeyName, "target", sizeof("target") - 1)) | ||
| { | ||
| char *pszTargetName = nullptr; | ||
| int iTargetsCount = strtoul(&pkvd->szKeyName[sizeof("target") - 1], &pszTargetName, 10); | ||
| if (iTargetsCount < MAX_TR_TARGETS && pszTargetName && pszTargetName[0] == '\0') | ||
| { | ||
| m_iszTargets[iTargetsCount] = ALLOC_STRING(pkvd->szValue); | ||
| pkvd->fHandled = TRUE; | ||
| return; | ||
| } | ||
| } | ||
|
|
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| CBaseDelay::KeyValue(pkvd); | ||
| } | ||
| } | ||
|
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| void CTriggerRandom::Use(CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value) | ||
| { | ||
| if (pev->spawnflags & SF_RANDOM_TIMED) | ||
| { | ||
| m_bActive ^= true; | ||
|
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| pev->nextthink = gpGlobals->time + RandomDelay(); | ||
| SetThink(&CTriggerRandom::RandomThink); | ||
|
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| return; | ||
| } | ||
|
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| Fire(pActivator); | ||
| } | ||
|
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| void CTriggerRandom::RandomThink() | ||
| { | ||
| if (m_bActive) | ||
| { | ||
| Fire(this); | ||
|
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| if (pev->spawnflags & SF_RANDOM_ONCE) | ||
| { | ||
| m_bActive = false; | ||
| } | ||
| } | ||
|
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| if (m_flMinDelay <= 0 || m_flMaxDelay <= 0) | ||
| { | ||
| m_bActive = false; | ||
| return; | ||
| } | ||
|
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| pev->nextthink = RandomDelay() + gpGlobals->time; | ||
| } | ||
|
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| void CTriggerRandom::InitUnique() | ||
| { | ||
| m_uiTargetsFired = 0; | ||
| Q_memset(m_bActiveTargets, 0, MAX_TR_TARGETS); | ||
| } | ||
|
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| void CTriggerRandom::Fire(CBaseEntity *pActivator) | ||
| { | ||
| string_t iszSelectTarget = iStringNull; | ||
| if (pev->spawnflags & SF_RANDOM_UNIQUE) | ||
| { | ||
| if (m_uiTargetsFired >= m_uiTargetsUse) | ||
| { | ||
| if (pev->spawnflags & SF_RANDOM_REUSABLE) | ||
| { | ||
| InitUnique(); | ||
| ALERT(at_aiconsole, "%s(%s): all targets fired; reusable mode on; resetting state\n", pev->classname.str(), pev->targetname.str()); | ||
| } | ||
| else | ||
| { | ||
| // no re-usable | ||
| return; | ||
| } | ||
| } | ||
|
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| unsigned int iRandomTarget = 0; | ||
| const int MAX_SELECT_ATTEMPT = 256; | ||
|
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| for (int iSelect = 0; iSelect < MAX_SELECT_ATTEMPT; iSelect++) | ||
| { | ||
| iRandomTarget = RANDOM_LONG(0, m_uiTargetsUse - 1); | ||
|
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| if (!m_bActiveTargets[iRandomTarget]) | ||
| break; | ||
| } | ||
|
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| // if queue is busy, try select first free target | ||
| if (m_bActiveTargets[iRandomTarget]) | ||
| { | ||
| ALERT(at_aiconsole, "%s(%s): random selection failed, selecting first free target\n", pev->classname.str(), pev->targetname.str()); | ||
|
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| for (iRandomTarget = 0; iRandomTarget < m_uiTargetsUse; iRandomTarget++) | ||
| { | ||
| if (!m_bActiveTargets[iRandomTarget]) | ||
| break; | ||
| } | ||
| } | ||
|
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| iszSelectTarget = m_iszTargets[iRandomTarget]; | ||
| m_bActiveTargets[iRandomTarget] = true; | ||
| m_uiTargetsFired++; | ||
| } | ||
| else | ||
| { | ||
| const int MAX_SELECT_ATTEMPT = 10; | ||
| for (int iSelect = 0; iSelect < MAX_SELECT_ATTEMPT; iSelect++) | ||
| { | ||
| iszSelectTarget = m_iszTargets[RANDOM_LONG(0, m_uiTargetsUse - 1)]; | ||
|
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| // free target | ||
| if (!iszSelectTarget.IsNull()) | ||
| { | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
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| FireTargets(iszSelectTarget, pActivator, this, USE_TOGGLE, 0); | ||
| } | ||
|
|
||
| float CTriggerRandom::RandomDelay() | ||
| { | ||
| return RANDOM_FLOAT(m_flMinDelay, m_flMaxDelay); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| /* | ||
| * | ||
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| * | ||
| */ | ||
|
|
||
| #pragma once | ||
|
|
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| // Makes trigger_random (with 'Timed only' flag) enabled at map start, so it will start it's timer and trigger random target on game start. | ||
| // If 'Trigger Once' flag isn't selected, it will continue until deactivated by trigger. | ||
| #define SF_RANDOM_STARTON BIT(0) | ||
|
|
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| // When using random delays (with 'Timed only' flag), this tells to trigger a random target once, instead | ||
| // of continuously triggering random targets until deactivation (in that case, disable timer by triggering this entity again). | ||
| #define SF_RANDOM_ONCE BIT(1) | ||
|
|
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| // If set, the trigger_random with 'Unique only' flag can be used again after having fired its targets, handling | ||
| // all of them as if not triggered before again. | ||
| #define SF_RANDOM_REUSABLE BIT(2) | ||
|
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| // Enables 'Minimum/Maximum delay' keyvalues so you can specify to wait a random amount of time before triggering random targets. | ||
| // When 'Trigger Once' and 'Start On' flags are NOT selected, triggering this trigger_random starts the timer, | ||
| // and it will fire it's targets with random delays repeatedly until triggered again, what pauses it. | ||
| #define SF_RANDOM_TIMED BIT(3) | ||
|
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| // Trigger will pick target (each time it's triggered), that haven't been triggered yet, randomly. So if four targets are specified, | ||
| // the combination in which they can be picked may be: 3th, 1th, 2th, 4th. It never repeats the same target unless 'Re-usable' | ||
| // flag is selected- the list will be "shuffled", and targets can be picked all over again. | ||
| #define SF_RANDOM_UNIQUE BIT(4) | ||
|
|
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| const int MAX_TR_TARGETS = 16; // maximum number of targets a single trigger_random entity may be assigned. | ||
|
|
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| class CTriggerRandom: public CBaseDelay { | ||
| public: | ||
| void Spawn(); | ||
| void KeyValue(KeyValueData *pkvd); | ||
| int Save(CSave &save); | ||
| int Restore(CRestore &restore); | ||
| int ObjectCaps() { return (CBaseEntity::ObjectCaps() & ~FCAP_ACROSS_TRANSITION); } | ||
| void Use(CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value); | ||
|
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| protected: | ||
| void InitUnique(); | ||
| float RandomDelay(); | ||
| void Fire(CBaseEntity *pActivator); | ||
| void EXPORT RandomThink(); | ||
|
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| static TYPEDESCRIPTION m_SaveData[]; | ||
|
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| private: | ||
| unsigned int m_uiTargetsUse; | ||
| string_t m_iszTargets[MAX_TR_TARGETS]; | ||
|
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| bool m_bActive; | ||
|
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| float m_flMinDelay; | ||
| float m_flMaxDelay; | ||
|
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| unsigned int m_uiTargetsFired; | ||
| bool m_bActiveTargets[MAX_TR_TARGETS]; | ||
| }; |
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