DarkflameServer/dGame/dBehaviors/BasicAttackBehavior.cpp

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#include "BasicAttackBehavior.h"
#include "BehaviorBranchContext.h"
#include "Game.h"
#include "dLogger.h"
#include "EntityManager.h"
#include "DestroyableComponent.h"
#include "BehaviorContext.h"
void BasicAttackBehavior::Handle(BehaviorContext* context, RakNet::BitStream* bitStream, BehaviorBranchContext branch) {
if (context->unmanaged) {
auto* entity = EntityManager::Instance()->GetEntity(branch.target);
auto* destroyableComponent = entity->GetComponent<DestroyableComponent>();
if (destroyableComponent != nullptr) {
PlayFx(u"onhit", entity->GetObjectID());
destroyableComponent->Damage(this->m_maxDamage, context->originator);
}
this->m_onSuccess->Handle(context, bitStream, branch);
return;
}
bitStream->AlignReadToByteBoundary();
uint16_t allocatedBits;
bitStream->Read(allocatedBits);
const auto baseAddress = bitStream->GetReadOffset();
if (bitStream->ReadBit()) { // Blocked
return;
}
if (bitStream->ReadBit()) { // Immune
return;
}
if (bitStream->ReadBit()) { // Success
uint32_t unknown;
bitStream->Read(unknown);
uint32_t damageDealt;
bitStream->Read(damageDealt);
// A value that's too large may be a cheating attempt, so we set it to MIN too
if (damageDealt > this->m_maxDamage || damageDealt < this->m_minDamage) {
damageDealt = this->m_minDamage;
}
auto* entity = EntityManager::Instance()->GetEntity(branch.target);
bool died;
bitStream->Read(died);
if (entity != nullptr) {
auto* destroyableComponent = entity->GetComponent<DestroyableComponent>();
if (destroyableComponent != nullptr) {
PlayFx(u"onhit", entity->GetObjectID());
destroyableComponent->Damage(damageDealt, context->originator);
}
}
}
uint8_t successState;
bitStream->Read(successState);
switch (successState) {
case 1:
this->m_onSuccess->Handle(context, bitStream, branch);
break;
default:
Game::logger->Log("BasicAttackBehavior", "Unknown success state (%i)!\n", successState);
break;
}
bitStream->SetReadOffset(baseAddress + allocatedBits);
}
void BasicAttackBehavior::Calculate(BehaviorContext* context, RakNet::BitStream* bitStream, BehaviorBranchContext branch) {
auto* self = EntityManager::Instance()->GetEntity(context->originator);
if (self == nullptr) {
Game::logger->Log("BasicAttackBehavior", "Invalid self entity (%llu)!\n", context->originator);
return;
}
bitStream->AlignWriteToByteBoundary();
const auto allocatedAddress = bitStream->GetWriteOffset();
bitStream->Write(uint16_t(0));
const auto startAddress = bitStream->GetWriteOffset();
bitStream->Write0(); // Blocked
bitStream->Write0(); // Immune
bitStream->Write1(); // Success
if (true) {
uint32_t unknown3 = 0;
bitStream->Write(unknown3);
auto damage = this->m_minDamage;
auto* entity = EntityManager::Instance()->GetEntity(branch.target);
if (entity == nullptr) {
damage = 0;
bitStream->Write(damage);
bitStream->Write(false);
} else {
bitStream->Write(damage);
bitStream->Write(true);
auto* destroyableComponent = entity->GetComponent<DestroyableComponent>();
if (damage != 0 && destroyableComponent != nullptr) {
PlayFx(u"onhit", entity->GetObjectID(), 1);
destroyableComponent->Damage(damage, context->originator, false);
context->ScheduleUpdate(branch.target);
}
}
}
uint8_t successState = 1;
bitStream->Write(successState);
switch (successState) {
case 1:
this->m_onSuccess->Calculate(context, bitStream, branch);
break;
default:
Game::logger->Log("BasicAttackBehavior", "Unknown success state (%i)!\n", successState);
break;
}
const auto endAddress = bitStream->GetWriteOffset();
const uint16_t allocate = endAddress - startAddress + 1;
bitStream->SetWriteOffset(allocatedAddress);
bitStream->Write(allocate);
bitStream->SetWriteOffset(startAddress + allocate);
}
void BasicAttackBehavior::Load() {
this->m_minDamage = GetInt("min damage");
if (this->m_minDamage == 0) this->m_minDamage = 1;
this->m_maxDamage = GetInt("max damage");
if (this->m_maxDamage == 0) this->m_maxDamage = 1;
this->m_onSuccess = GetAction("on_success");
}