C++ GetGameRules函数代码示例

void AvHBaseBuildable::StartRecycle()
{
	if(!GetHasUpgrade(this->pev->iuser4, MASK_RECYCLING))
	{
        int theRecycleTime = (GetGameRules()->GetCheatsEnabled() && !GetGameRules()->GetIsCheatEnabled(kcSlowResearch)) ? 2 : BALANCE_VAR(kRecycleTime);

        // Play recycle animation in reverse (would like to play them slower according to recycle time, but it doesn't work for all structures, seems dependent on # of keyframes)
        int theAnimation = this->GetRecycleAnimation();
        float theTimeForAnim = this->GetTimeForAnimation(theAnimation);
        float theFrameRate = -1;//-theTimeForAnim/theRecycleTime;
        this->PlayAnimationAtIndex(theAnimation, true, theFrameRate);
		
		// Schedule time to give points back
		SetThink(&AvHBaseBuildable::RecycleComplete);

		this->mTimeRecycleStarted = gpGlobals->time;
		
		this->mTimeRecycleDone = gpGlobals->time + theRecycleTime;
		
		this->pev->nextthink = this->mTimeRecycleDone;

		float theVolume = .5f;
		EMIT_SOUND(this->edict(), CHAN_AUTO, kBuildableRecycleSound, theVolume, ATTN_NORM);

        SetUpgradeMask(&this->pev->iuser4, MASK_RECYCLING);

		// run any events for this class on recycling the structure
		this->UpdateOnRecycle();

        // Remove tech immediately, so research or building isn't started using this tech
        this->TriggerRemoveTech();
	}
}

void AvHHive::SetHasBeenBuilt()
{
	AvHBuildable::SetHasBeenBuilt();

	GetGameRules()->TriggerAlert((AvHTeamNumber)this->pev->team, ALERT_HIVE_COMPLETE, this->entindex());

	// Make hive support any unassigned upgrade technologies (happens after a hive supporting a technology is destroyed and then rebuilt)
	AvHTeamNumber theTeam = (AvHTeamNumber)this->pev->team;
	AvHTeam* theTeamPointer = GetGameRules()->GetTeam(theTeam);
	if(theTeamPointer)
	{
		AvHAlienUpgradeListType theUpgrades = theTeamPointer->GetAlienUpgrades();

		if(AvHGetNumUpgradesInCategoryInList(theUpgrades, ALIEN_UPGRADE_CATEGORY_DEFENSE) > 0)
		{
			AvHSUUpdateHiveTechology(theTeam, ALIEN_BUILD_DEFENSE_CHAMBER);
		}

		if(AvHGetNumUpgradesInCategoryInList(theUpgrades, ALIEN_UPGRADE_CATEGORY_MOVEMENT) > 0)
		{
			AvHSUUpdateHiveTechology(theTeam, ALIEN_BUILD_MOVEMENT_CHAMBER);
		}

		if(AvHGetNumUpgradesInCategoryInList(theUpgrades, ALIEN_UPGRADE_CATEGORY_SENSORY) > 0)
		{
			AvHSUUpdateHiveTechology(theTeam, ALIEN_BUILD_SENSORY_CHAMBER);
		}
	}
}

void AvHBaseBuildable::BuildableTouch(CBaseEntity* inEntity)
{
    if(inEntity->pev->team != this->pev->team)
    {
        this->Uncloak();

		// GHOSTBUILDING: Destroy and return res.
		if (this->mGhost && inEntity->IsAlive() && inEntity->IsPlayer())
		{
			this->TakeDamage(inEntity->pev, this->pev, 80000, DMG_GENERIC);

			AvHTeam* theTeam = GetGameRules()->GetTeam(AvHTeamNumber(this->pev->team));

			if (theTeam)
			{
				float thePercentage = .8f;
				float thePointsBack = GetGameRules()->GetCostForMessageID(this->mMessageID) * thePercentage;
				theTeam->SetTeamResources(theTeam->GetTeamResources() + thePointsBack);

				AvHSUPlayNumericEventAboveStructure(thePointsBack, this);
			}

			// Uncloak the player
			AvHCloakable *theCloakable=dynamic_cast<AvHCloakable *>(inEntity);
			if ( theCloakable ) {
				theCloakable->Uncloak();
			}
		}
    }
}

void AvHHive::HiveAliveThink(void)
{
	// For some reason, velocity is non-zero when created (meant they were showing up on motion-tracking)
	this->pev->velocity = Vector(0, 0, 0);

	if(GetGameRules()->GetGameStarted())
	{
        if(!this->mActive)
        {
		    bool theIsBuilding, theIsResearching;
		    float thePercentage;
		    AvHSHUGetBuildResearchState(this->pev->iuser3, this->pev->iuser4, this->pev->fuser1, theIsBuilding, theIsResearching, thePercentage);
		    
		    float theBuildTime = GetGameRules()->GetBuildTimeForMessageID(this->GetMessageID());
		    float theBuildPercentage = kHiveAliveThinkInterval/theBuildTime;
		    
		    float theNewPercentage = min(thePercentage + theBuildPercentage, 1.0f);
            this->SetNormalizedBuildPercentage(theNewPercentage);
        }
        else
		{
			this->ProcessHealing();

            // Play idle anims
            AvHBaseBuildable::AnimateThink();
		}

		this->UpdateReinforcements();

		//this->UpdateUmbra();
	}
	
	// Set next think
	this->pev->nextthink = gpGlobals->time + kHiveAliveThinkInterval;
}

void AvHTechTree::processBalanceChange(void)
{
	// Run through our tech nodes and update cost and build time
	TechNodeMap::iterator current, end = mNodesByMsg.end();
	for( current = mNodesByMsg.begin(); current != end; ++current )
	{
		current->second->setBuildTime(GetGameRules()->GetBuildTimeForMessageID(current->first));
		current->second->setCost(GetGameRules()->GetCostForMessageID(current->first));
	}
}

void AvHBaseBuildable::UpdateDamageEffects()
{
	if(GetGameRules()->GetGameStarted() && this->GetIsBuilt())
	{
		// Add special effects for structures that are hurt or almost dead
		float theMaxHealth = GetGameRules()->GetBaseHealthForMessageID(this->GetMessageID());
		float theHealthScalar = this->pev->health/theMaxHealth;
		float theTimeInterval = max(gpGlobals->time - this->mTimeOfLastDamageUpdate, .1f);

		const float kParticleSystemLifetime = 5.0f;
		int theAverageSoundInterval = -1;
		
		// If we're at 25% health or less, emit black smoke
		if(gpGlobals->time > (this->mTimeOfLastDamageEffect + kParticleSystemLifetime))
		{
			if(theHealthScalar < .25f)
			{
				AvHSUPlayParticleEvent(kpsBuildableLightDamage, this->edict(), this->pev->origin);
				this->mTimeOfLastDamageEffect = gpGlobals->time;
				theAverageSoundInterval = 3;
			}
			// If we're at 50% health or less, emit light smoke
			else if(theHealthScalar < .5f)
			{
				AvHSUPlayParticleEvent(kpsBuildableLightDamage, this->edict(), this->pev->origin);
				this->mTimeOfLastDamageEffect = gpGlobals->time;
				theAverageSoundInterval = 5;
			}
		}
		
		// If we're at less then 75% health, spark occasionally
		if(theHealthScalar < .75f)
		{
			int theRandomChance = RANDOM_LONG(0, (float)8/theTimeInterval);
			if(theRandomChance == 0)
			{
				UTIL_Sparks(this->pev->origin);
				UTIL_Sparks(this->pev->origin);

				const char* theHurtSoundToPlay = kBuildableHurt1Sound;
				if(RANDOM_LONG(0, 1) == 1)
				{
					theHurtSoundToPlay = kBuildableHurt2Sound;
				}
				
				float theVolume = .3f;
				EMIT_SOUND(this->edict(), CHAN_AUTO, theHurtSoundToPlay, theVolume, ATTN_NORM);
			}
		}
		
		this->mTimeOfLastDamageUpdate = gpGlobals->time;
	}
}

// takes filename, returns whether errors were encountered, returns whether checksums are identical or not
static int compareWorldChecksum(lua_State* inState)
{
	bool theSuccess = false;
	bool theChecksumsAreEqual = false;
	
	const char* theFileName = lua_tostring(inState, 1);
	Checksum theOldChecksum;
	theSuccess = theOldChecksum.ReadFromFile(theFileName);

	Checksum theNewChecksum;
	GetGameRules()->ComputeWorldChecksum(theNewChecksum);
	if(theSuccess)
	{
		StringList theErrors;
		theChecksumsAreEqual = theNewChecksum.Compare(theOldChecksum, theErrors);
	}
	
	// Return function success
	lua_pushnumber(inState, theSuccess);

	// Return checksums are equal
	lua_pushnumber(inState, theChecksumsAreEqual);
	
	return 2;
}

void AvHUmbraProjectile::Spawn(void)
{
	this->Precache();

	CBaseEntity::Spawn();
	
	this->pev->movetype = MOVETYPE_FLY;
	this->pev->classname = MAKE_STRING(kwsUmbraProjectile);
	
	SET_MODEL(ENT(this->pev), kClientUmbraSprite);
	this->pev->solid = SOLID_BBOX;
	
	if(!GetGameRules()->GetDrawInvisibleEntities())
	{
		this->pev->effects = EF_NODRAW;
	}
	else
	{
		this->pev->frame = 0;
		this->pev->scale = 0.5;
		this->pev->rendermode = kRenderTransAlpha;
		this->pev->renderamt = 255;
	}
	
	UTIL_SetSize(this->pev, Vector( 0, 0, 0), Vector(0, 0, 0));

	SetTouch(&AvHUmbraProjectile::UmbraTouch);
}

void AvHHive::Spawn()
{
	this->Precache();
	
	AvHBaseBuildable::Spawn();
    
	this->pev->classname = MAKE_STRING(kesTeamHive);
	//this->pev->movetype	= MOVETYPE_FLY;

	this->pev->movetype	= MOVETYPE_FLY;
	this->pev->solid = SOLID_NOT;
	this->pev->flags = 0;
	this->pev->iuser3 = AVH_USER3_HIVE;

	this->mMaxHitPoints = GetGameRules()->GetBaseHealthForMessageID(ALIEN_BUILD_HIVE);
	
	SET_MODEL( ENT(this->pev), kHiveModel);
	//this->pev->scale = 2;

//	this->pev->sequence = 0;
//	this->pev->frame = 0;
//	ResetSequenceInfo();

	this->ResetEntity();

}

void AvHResearchManager::UpdateResearch()
{
	// Run through every item in the list and update research, marking any done 
	for(ResearchListType::iterator theIter = this->mResearchingTech.begin(); theIter != this->mResearchingTech.end(); )
	{
		if(theIter->GetCanEntityContinueResearch())
		{
			bool theHighTechCheat = GetGameRules()->GetIsCheatEnabled(kcHighTech);
			if(theIter->UpdateResearch() || theHighTechCheat)
			{
				AvHMessageID theResearchingTech = theIter->GetResearching();
				int theEntityIndex = theIter->GetEntityIndex();

				this->SetResearchDone(theResearchingTech, theEntityIndex);

				theIter = this->mResearchingTech.erase(theIter);
			}
			else
			{
				theIter++;
			}
		}
		else
		{
			theIter = this->mResearchingTech.erase(theIter);
		}
	}
}

void HolidayManager::HookIfNecessary()
{
	// Already hooked
	if (m_iHookID)
		return;

	// Nothing wants us
	if (m_isHolidayForward->GetFunctionCount() == 0)
		return;

	void *pGameRules = GetGameRules();
	if (!pGameRules)
	{
		if (m_bInMap)
		{
			g_pSM->LogError(myself, "Gamerules ptr not found. TF2_OnIsHolidayActive will not be available.");
		}
		return;
	}

	static int offset = -1;
	if (offset == -1)
	{
		if (!g_pGameConf->GetOffset("IsHolidayActive", &offset))
		{
			g_pSM->LogError(myself, "IsHolidayActive gamedata offset missing. TF2_OnIsHolidayActive will not be available.");
			return;
		}

		SH_MANUALHOOK_RECONFIGURE(IsHolidayActive, offset, 0, 0);
	}

	m_iHookID = SH_ADD_MANUALHOOK(IsHolidayActive, pGameRules, SH_MEMBER(this, &HolidayManager::Hook_IsHolidayActive), false);
}

void AvHSpike::Spawn()
{
	this->Precache();
	CBaseEntity::Spawn();
	
	this->pev->movetype = MOVETYPE_FLY;
	this->pev->classname = MAKE_STRING(kSpikeProjectileClassName);
	
	SET_MODEL(ENT(this->pev), kSpikeProjectileModel);
	this->pev->solid = SOLID_BBOX;
	this->mDamage = 0.0f;
	
	// Comment out effects line, uncomment next four, then comment out creation of temp entity in EV_SpikeGun to see server side Spike for testing
	if(!GetGameRules()->GetDrawInvisibleEntities())
	{
		this->pev->effects = EF_NODRAW;
	}
	else
	{
		this->pev->frame = 0;
		this->pev->scale = 0.5;
		this->pev->rendermode = kRenderTransAlpha;
		this->pev->renderamt = 255;
	}
	
	//UTIL_SetSize(this->pev, Vector( 0, 0, 0), Vector(0, 0, 0));
//	UTIL_SetSize(this->pev, Vector( -16, -16, -16), Vector(16, 16, 16));
	//UTIL_SetSize(this->pev, Vector( -50, -50, -50), Vector(50, 50, 50));
	
	SetTouch(&AvHSpike::SpikeTouch);
	
	// Enforce short range
	SetThink(&AvHSpike::SpikeDeath);
	this->pev->nextthink = gpGlobals->time + kSpikeLifetime;
}

AvHBaseBuildable::AvHBaseBuildable(AvHTechID inTechID, AvHMessageID inMessageID, char* inClassName, int inUser3) : AvHBuildable(inTechID), kStartAlpha(128), mAverageUseSoundLength(.5f)
{
	this->mClassName = inClassName;
	this->mMessageID = inMessageID;

	this->mBaseHealth = GetGameRules()->GetBaseHealthForMessageID(inMessageID);

	char* theModelName = AvHSHUGetBuildTechModelName(inMessageID);
	ASSERT(theModelName);
	this->mModelName = theModelName;

	this->mSelectID = inUser3;
	this->mTimeToConstruct = GetGameRules()->GetBuildTimeForMessageID(inMessageID);

	// Very important that this doesn't go in Init(), else mapper-placed structures disappear on map-reset
	this->mPersistent = false;

	this->Init();
}

void AvHBuildable::TriggerAddTech() const
{
	AvHTeamNumber theTeamNumber = this->GetTeamNumber();
	AvHTeam* theTeam = GetGameRules()->GetTeam(theTeamNumber);
	
	if(theTeam)
	{
		theTeam->TriggerAddTech(this->mTechID);
	}
}

// Requires mSelectID and mMessageID to be set
// Sets the pev user variables, mBaseHealth, pev->health and pev->armorvalue
void AvHBaseBuildable::InternalInitializeBuildable()
{
	// Always buildable
	InitializeBuildable(this->pev->iuser3, this->pev->iuser4, this->pev->fuser1, this->mSelectID);
	this->mBaseHealth = GetGameRules()->GetBaseHealthForMessageID(this->mMessageID);
	this->pev->health = this->mBaseHealth*kBaseHealthPercentage;
	this->pev->max_health = this->mBaseHealth;

	// Store max health in armorvalue
	//this->pev->armorvalue = GetGameRules()->GetBaseHealthForMessageID(this->mMessageID);
}