DarkflameServer/dGame/dBehaviors/ProjectileAttackBehavior.cpp

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#include "ProjectileAttackBehavior.h"
#include "BehaviorBranchContext.h"
#include "BehaviorContext.h"
#include "EntityManager.h"
#include "Game.h"
#include "Logger.h"
#include "SkillComponent.h"
#include "ObjectIDManager.h"
#include "eObjectBits.h"
void ProjectileAttackBehavior::Handle(BehaviorContext* context, RakNet::BitStream& bitStream, BehaviorBranchContext branch) {
LWOOBJID target{};
if (!bitStream.Read(target)) {
LOG("Unable to read target from bitStream, aborting Handle! %i", bitStream.GetNumberOfUnreadBits());
return;
};
auto* entity = Game::entityManager->GetEntity(context->originator);
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if (entity == nullptr) {
LOG("Failed to find originator (%llu)!", context->originator);
return;
}
auto* skillComponent = entity->GetComponent<SkillComponent>();
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if (skillComponent == nullptr) {
LOG("Failed to find skill component for (%llu)!", -context->originator);
return;
}
if (m_useMouseposit && !branch.isSync) {
NiPoint3 targetPosition = NiPoint3Constant::ZERO;
if (!bitStream.Read(targetPosition)) {
LOG("Unable to read targetPosition from bitStream, aborting Handle! %i", bitStream.GetNumberOfUnreadBits());
return;
};
}
auto* targetEntity = Game::entityManager->GetEntity(target);
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for (auto i = 0u; i < this->m_projectileCount; ++i) {
LWOOBJID projectileId{};
if (!bitStream.Read(projectileId)) {
LOG("Unable to read projectileId from bitStream, aborting Handle! %i", bitStream.GetNumberOfUnreadBits());
return;
};
branch.target = target;
branch.isProjectile = true;
branch.referencePosition = targetEntity == nullptr ? entity->GetPosition() : targetEntity->GetPosition();
skillComponent->RegisterPlayerProjectile(projectileId, context, branch, this->m_lot);
}
}
void ProjectileAttackBehavior::Calculate(BehaviorContext* context, RakNet::BitStream& bitStream, BehaviorBranchContext branch) {
bitStream.Write(branch.target);
auto* entity = Game::entityManager->GetEntity(context->originator);
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if (entity == nullptr) {
LOG("Failed to find originator (%llu)!", context->originator);
return;
}
auto* skillComponent = entity->GetComponent<SkillComponent>();
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if (skillComponent == nullptr) {
LOG("Failed to find skill component for (%llu)!", context->originator);
return;
}
auto* other = Game::entityManager->GetEntity(branch.target);
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if (other == nullptr) {
LOG("Invalid projectile target (%llu)!", branch.target);
return;
}
const auto position = entity->GetPosition() + this->m_offset;
const auto distance = Vector3::Distance(position, other->GetPosition());
const auto time = distance / this->m_projectileSpeed;
const auto rotation = NiQuaternion::LookAtUnlocked(position, other->GetPosition());
const auto targetPosition = other->GetPosition();
//entity->SetRotation(rotation);
const auto angleDelta = this->m_spreadAngle;
const auto angleStep = angleDelta / this->m_projectileCount;
auto angle = -angleStep;
const auto maxTime = this->m_maxDistance / this->m_projectileSpeed;
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for (auto i = 0u; i < this->m_projectileCount; ++i) {
auto id = static_cast<LWOOBJID>(ObjectIDManager::GenerateObjectID());
GeneralUtils::SetBit(id, eObjectBits::SPAWNED);
bitStream.Write(id);
auto eulerAngles = rotation.GetEulerAngles();
eulerAngles.y += angle * (3.14 / 180);
const auto angledRotation = NiQuaternion::FromEulerAngles(eulerAngles);
const auto direction = angledRotation.GetForwardVector();
const auto destination = position + direction * distance;
branch.isProjectile = true;
branch.referencePosition = destination;
skillComponent->RegisterCalculatedProjectile(id, context, branch, this->m_lot, maxTime, position, direction * this->m_projectileSpeed, this->m_trackTarget, this->m_trackRadius);
// No idea how to calculate this properly
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if (this->m_projectileCount == 2) {
angle += angleDelta;
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} else if (this->m_projectileCount == 3) {
angle += angleStep;
}
}
}
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void ProjectileAttackBehavior::Load() {
this->m_lot = GetInt("LOT_ID");
this->m_projectileCount = GetInt("spread_count");
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if (this->m_projectileCount == 0) {
this->m_projectileCount = 1;
}
this->m_maxDistance = GetFloat("max_distance");
this->m_projectileSpeed = GetFloat("projectile_speed");
this->m_spreadAngle = GetFloat("spread_angle");
this->m_offset = { GetFloat("offset_x"), GetFloat("offset_y"), GetFloat("offset_z") };
this->m_trackTarget = GetBoolean("track_target");
this->m_trackRadius = GetFloat("track_radius");
this->m_useMouseposit = GetBoolean("use_mouseposit");
this->m_ProjectileType = GetInt("projectile_type");
}