DarkflameServer/dGame/dComponents/BuffComponent.cpp

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#include "BuffComponent.h"
#include <BitStream.h>
#include "CDClientDatabase.h"
#include <stdexcept>
#include "DestroyableComponent.h"
#include "Game.h"
#include "Logger.h"
#include "GameMessages.h"
#include "SkillComponent.h"
#include "ControllablePhysicsComponent.h"
#include "EntityManager.h"
#include "CDClientManager.h"
#include "CDSkillBehaviorTable.h"
#include "TeamManager.h"
std::unordered_map<int32_t, std::vector<BuffParameter>> BuffComponent::m_Cache{};
namespace {
std::map<std::string, std::string> BuffFx = {
{ "overtime", "OTB_" },
{ "max_health", "HEALTH_" },
{ "max_imagination", "IMAGINATION_" },
{ "max_armor", "ARMOR_" },
{ "speed", "SPEED_" },
{ "loot", "LOOT_" }
};
}
BuffComponent::BuffComponent(Entity* parent) : Component(parent) {
}
BuffComponent::~BuffComponent() {
}
void BuffComponent::Serialize(RakNet::BitStream* outBitStream, bool bIsInitialUpdate) {
if (!bIsInitialUpdate) return;
outBitStream->Write(!m_Buffs.empty());
if (!m_Buffs.empty()) {
outBitStream->Write<uint32_t>(m_Buffs.size());
for (const auto& [id, buff] : m_Buffs) {
outBitStream->Write<uint32_t>(id);
outBitStream->Write(buff.time != 0.0f);
if (buff.time != 0.0f) outBitStream->Write<uint32_t>(buff.time * 1000.0f);
outBitStream->Write(buff.cancelOnDeath);
outBitStream->Write(buff.cancelOnZone);
outBitStream->Write(buff.cancelOnDamaged);
outBitStream->Write(buff.cancelOnRemoveBuff);
outBitStream->Write(buff.cancelOnUi);
outBitStream->Write(buff.cancelOnLogout);
outBitStream->Write(buff.cancelOnUnequip);
outBitStream->Write0(); // Cancel on Damage Absorb Ran Out. Generally false from what I can tell
auto* team = TeamManager::Instance()->GetTeam(buff.source);
bool addedByTeammate = false;
if (team) {
addedByTeammate = std::count(team->members.begin(), team->members.end(), m_Parent->GetObjectID()) > 0;
}
outBitStream->Write(addedByTeammate); // Added by teammate. If source is in the same team as the target, this is true. Otherwise, false.
outBitStream->Write(buff.applyOnTeammates);
if (addedByTeammate) outBitStream->Write(buff.source);
outBitStream->Write<uint32_t>(buff.refCount);
}
}
outBitStream->Write0(); // something to do with immunity buffs?
}
void BuffComponent::Update(float deltaTime) {
/**
* Loop through all buffs and apply deltaTime to ther time.
* If they have expired, remove the buff and break.
*/
for (auto& buff : m_Buffs) {
// For damage buffs
if (buff.second.tick != 0.0f && buff.second.stacks > 0) {
buff.second.tickTime -= deltaTime;
if (buff.second.tickTime <= 0.0f) {
buff.second.tickTime = buff.second.tick;
buff.second.stacks--;
SkillComponent::HandleUnmanaged(buff.second.behaviorID, m_Parent->GetObjectID(), buff.second.source);
}
}
// These are indefinate buffs, don't update them.
if (buff.second.time == 0.0f) {
continue;
}
buff.second.time -= deltaTime;
if (buff.second.time <= 0.0f) {
RemoveBuff(buff.first);
break;
}
}
}
const std::string& GetFxName(const std::string& buffname) {
const auto& toReturn = BuffFx[buffname];
if (toReturn.empty()) {
LOG_DEBUG("No fx name for %s", buffname.c_str());
}
return toReturn;
}
void BuffComponent::ApplyBuffFx(uint32_t buffId, const BuffParameter& buff) {
std::string fxToPlay;
const auto& buffName = GetFxName(buff.name);
if (buffName.empty()) return;
fxToPlay += std::to_string(buffId);
LOG_DEBUG("Playing %s %i", fxToPlay.c_str(), buff.effectId);
GameMessages::SendPlayFXEffect(m_Parent->GetObjectID(), buff.effectId, u"cast", fxToPlay, LWOOBJID_EMPTY, 1.07f, 1.0f, false);
}
void BuffComponent::RemoveBuffFx(uint32_t buffId, const BuffParameter& buff) {
std::string fxToPlay;
const auto& buffName = GetFxName(buff.name);
if (buffName.empty()) return;
fxToPlay += std::to_string(buffId);
LOG_DEBUG("Stopping %s", fxToPlay.c_str());
GameMessages::SendStopFXEffect(m_Parent, false, fxToPlay);
}
void BuffComponent::ApplyBuff(const int32_t id, const float duration, const LWOOBJID source, bool addImmunity,
bool cancelOnDamaged, bool cancelOnDeath, bool cancelOnLogout, bool cancelOnRemoveBuff,
bool cancelOnUi, bool cancelOnUnequip, bool cancelOnZone, bool applyOnTeammates) {
// Prevent buffs from stacking.
if (HasBuff(id)) {
m_Buffs[id].refCount++;
m_Buffs[id].time = duration;
return;
}
auto* team = TeamManager::Instance()->GetTeam(source);
bool addedByTeammate = false;
if (team) {
addedByTeammate = std::count(team->members.begin(), team->members.end(), m_Parent->GetObjectID()) > 0;
}
GameMessages::SendAddBuff(const_cast<LWOOBJID&>(m_Parent->GetObjectID()), source, static_cast<uint32_t>(id),
static_cast<uint32_t>(duration) * 1000, addImmunity, cancelOnDamaged, cancelOnDeath,
cancelOnLogout, cancelOnRemoveBuff, cancelOnUi, cancelOnUnequip, cancelOnZone, addedByTeammate, applyOnTeammates);
float tick = 0;
float stacks = 0;
int32_t behaviorID = 0;
const auto& parameters = GetBuffParameters(id);
for (const auto& parameter : parameters) {
if (parameter.name == "overtime") {
auto* behaviorTemplateTable = CDClientManager::Instance().GetTable<CDSkillBehaviorTable>();
behaviorID = behaviorTemplateTable->GetSkillByID(parameter.values[0]).behaviorID;
stacks = static_cast<int32_t>(parameter.values[1]);
tick = parameter.values[2];
const auto unknown2 = parameter.values[3]; // Always 0
}
}
ApplyBuffEffect(id);
Buff buff;
buff.id = id;
buff.time = duration;
buff.tick = tick;
buff.tickTime = tick;
buff.stacks = stacks;
buff.source = source;
buff.behaviorID = behaviorID;
buff.cancelOnDamaged = cancelOnDamaged;
buff.cancelOnDeath = cancelOnDeath;
buff.cancelOnLogout = cancelOnLogout;
buff.cancelOnRemoveBuff = cancelOnRemoveBuff;
buff.cancelOnUi = cancelOnUi;
buff.cancelOnUnequip = cancelOnUnequip;
buff.cancelOnZone = cancelOnZone;
buff.refCount = 1;
m_Buffs.emplace(id, buff);
auto* parent = GetParent();
if (!cancelOnDeath) return;
m_Parent->AddDieCallback([parent, id]() {
LOG_DEBUG("Removing buff %i because parent died", id);
if (!parent) return;
auto* buffComponent = parent->GetComponent<BuffComponent>();
if (buffComponent) buffComponent->RemoveBuff(id, false, false, true);
});
}
void BuffComponent::RemoveBuff(int32_t id, bool fromUnEquip, bool removeImmunity, bool ignoreRefCount) {
const auto& iter = m_Buffs.find(id);
if (iter == m_Buffs.end()) {
return;
}
if (!ignoreRefCount && !iter->second.cancelOnRemoveBuff) {
iter->second.refCount--;
LOG_DEBUG("refCount for buff %i is now %i", id, iter->second.refCount);
if (iter->second.refCount > 0) {
return;
}
}
GameMessages::SendRemoveBuff(m_Parent, fromUnEquip, removeImmunity, id);
m_Buffs.erase(iter);
RemoveBuffEffect(id);
}
bool BuffComponent::HasBuff(int32_t id) {
return m_Buffs.find(id) != m_Buffs.end();
}
void BuffComponent::ApplyBuffEffect(int32_t id) {
const auto& parameters = GetBuffParameters(id);
for (const auto& parameter : parameters) {
ApplyBuffFx(id, parameter);
if (parameter.name == "max_health") {
const auto maxHealth = parameter.value;
auto* destroyable = this->GetParent()->GetComponent<DestroyableComponent>();
if (destroyable == nullptr) return;
destroyable->SetMaxHealth(destroyable->GetMaxHealth() + maxHealth);
} else if (parameter.name == "max_armor") {
const auto maxArmor = parameter.value;
auto* destroyable = this->GetParent()->GetComponent<DestroyableComponent>();
if (destroyable == nullptr) return;
destroyable->SetMaxArmor(destroyable->GetMaxArmor() + maxArmor);
} else if (parameter.name == "max_imagination") {
const auto maxImagination = parameter.value;
auto* destroyable = this->GetParent()->GetComponent<DestroyableComponent>();
if (destroyable == nullptr) return;
destroyable->SetMaxImagination(destroyable->GetMaxImagination() + maxImagination);
} else if (parameter.name == "speed") {
auto* controllablePhysicsComponent = this->GetParent()->GetComponent<ControllablePhysicsComponent>();
if (!controllablePhysicsComponent) return;
const auto speed = parameter.value;
controllablePhysicsComponent->AddSpeedboost(speed);
}
}
}
void BuffComponent::RemoveBuffEffect(int32_t id) {
const auto& parameters = GetBuffParameters(id);
for (const auto& parameter : parameters) {
RemoveBuffFx(id, parameter);
if (parameter.name == "max_health") {
const auto maxHealth = parameter.value;
auto* destroyable = this->GetParent()->GetComponent<DestroyableComponent>();
if (destroyable == nullptr) return;
destroyable->SetMaxHealth(destroyable->GetMaxHealth() - maxHealth);
} else if (parameter.name == "max_armor") {
const auto maxArmor = parameter.value;
auto* destroyable = this->GetParent()->GetComponent<DestroyableComponent>();
if (destroyable == nullptr) return;
destroyable->SetMaxArmor(destroyable->GetMaxArmor() - maxArmor);
} else if (parameter.name == "max_imagination") {
const auto maxImagination = parameter.value;
auto* destroyable = this->GetParent()->GetComponent<DestroyableComponent>();
if (destroyable == nullptr) return;
destroyable->SetMaxImagination(destroyable->GetMaxImagination() - maxImagination);
} else if (parameter.name == "speed") {
auto* controllablePhysicsComponent = this->GetParent()->GetComponent<ControllablePhysicsComponent>();
if (!controllablePhysicsComponent) return;
const auto speed = parameter.value;
controllablePhysicsComponent->RemoveSpeedboost(speed);
}
}
}
void BuffComponent::RemoveAllBuffs() {
for (const auto& buff : m_Buffs) {
RemoveBuffEffect(buff.first);
}
m_Buffs.clear();
}
void BuffComponent::Reset() {
RemoveAllBuffs();
}
void BuffComponent::ReApplyBuffs() {
for (const auto& buff : m_Buffs) {
ApplyBuffEffect(buff.first);
}
}
Entity* BuffComponent::GetParent() const {
return m_Parent;
}
void BuffComponent::LoadFromXml(tinyxml2::XMLDocument* doc) {
// Load buffs
auto* dest = doc->FirstChildElement("obj")->FirstChildElement("dest");
// Make sure we have a clean buff element.
auto* buffElement = dest->FirstChildElement("buff");
// Old character, no buffs to load
if (buffElement == nullptr) {
return;
}
auto* buffEntry = buffElement->FirstChildElement("b");
while (buffEntry) {
int32_t id = buffEntry->IntAttribute("id");
float t = buffEntry->FloatAttribute("t");
float tk = buffEntry->FloatAttribute("tk");
float tt = buffEntry->FloatAttribute("tt");
int32_t s = buffEntry->FloatAttribute("s");
LWOOBJID sr = buffEntry->Int64Attribute("sr");
int32_t b = buffEntry->IntAttribute("b");
int32_t refCount = buffEntry->IntAttribute("refCount");
bool cancelOnDamaged = buffEntry->BoolAttribute("cancelOnDamaged");
bool cancelOnDeath = buffEntry->BoolAttribute("cancelOnDeath");
bool cancelOnLogout = buffEntry->BoolAttribute("cancelOnLogout");
bool cancelOnRemoveBuff = buffEntry->BoolAttribute("cancelOnRemoveBuff");
bool cancelOnUi = buffEntry->BoolAttribute("cancelOnUi");
bool cancelOnUnequip = buffEntry->BoolAttribute("cancelOnUnequip");
bool cancelOnZone = buffEntry->BoolAttribute("cancelOnZone");
bool applyOnTeammates = buffEntry->BoolAttribute("applyOnTeammates");
Buff buff;
buff.id = id;
buff.time = t;
buff.tick = tk;
buff.stacks = s;
buff.source = sr;
buff.behaviorID = b;
buff.refCount = refCount;
buff.tickTime = tt;
buff.cancelOnDamaged = cancelOnDamaged;
buff.cancelOnDeath = cancelOnDeath;
buff.cancelOnLogout = cancelOnLogout;
buff.cancelOnRemoveBuff = cancelOnRemoveBuff;
buff.cancelOnUi = cancelOnUi;
buff.cancelOnUnequip = cancelOnUnequip;
buff.cancelOnZone = cancelOnZone;
buff.applyOnTeammates = applyOnTeammates;
m_Buffs.emplace(id, buff);
buffEntry = buffEntry->NextSiblingElement("b");
}
}
void BuffComponent::UpdateXml(tinyxml2::XMLDocument* doc) {
// Save buffs
auto* dest = doc->FirstChildElement("obj")->FirstChildElement("dest");
// Make sure we have a clean buff element.
auto* buffElement = dest->FirstChildElement("buff");
if (buffElement == nullptr) {
buffElement = doc->NewElement("buff");
dest->LinkEndChild(buffElement);
} else {
buffElement->DeleteChildren();
}
for (const auto& [id, buff] : m_Buffs) {
auto* buffEntry = doc->NewElement("b");
// TODO: change this if to if (buff.cancelOnZone || buff.cancelOnLogout) handling at some point. No current way to differentiate between zone transfer and logout.
if (buff.cancelOnZone) continue;
buffEntry->SetAttribute("id", id);
buffEntry->SetAttribute("t", buff.time);
buffEntry->SetAttribute("tk", buff.tick);
buffEntry->SetAttribute("tt", buff.tickTime);
buffEntry->SetAttribute("s", buff.stacks);
buffEntry->SetAttribute("sr", buff.source);
buffEntry->SetAttribute("b", buff.behaviorID);
buffEntry->SetAttribute("refCount", buff.refCount);
buffEntry->SetAttribute("cancelOnDamaged", buff.cancelOnDamaged);
buffEntry->SetAttribute("cancelOnDeath", buff.cancelOnDeath);
buffEntry->SetAttribute("cancelOnLogout", buff.cancelOnLogout);
buffEntry->SetAttribute("cancelOnRemoveBuff", buff.cancelOnRemoveBuff);
buffEntry->SetAttribute("cancelOnUi", buff.cancelOnUi);
buffEntry->SetAttribute("cancelOnUnequip", buff.cancelOnUnequip);
buffEntry->SetAttribute("cancelOnZone", buff.cancelOnZone);
buffEntry->SetAttribute("applyOnTeammates", buff.applyOnTeammates);
buffElement->LinkEndChild(buffEntry);
}
}
const std::vector<BuffParameter>& BuffComponent::GetBuffParameters(int32_t buffId) {
const auto& pair = m_Cache.find(buffId);
if (pair != m_Cache.end()) {
return pair->second;
}
auto query = CDClientDatabase::CreatePreppedStmt("SELECT * FROM BuffParameters WHERE BuffID = ?;");
query.bind(1, static_cast<int>(buffId));
auto result = query.execQuery();
std::vector<BuffParameter> parameters{};
while (!result.eof()) {
BuffParameter param;
param.buffId = buffId;
param.name = result.getStringField("ParameterName");
param.value = result.getFloatField("NumberValue");
param.effectId = result.getIntField("EffectID");
if (!result.fieldIsNull(3)) {
std::istringstream stream(result.getStringField("StringValue"));
std::string token;
while (std::getline(stream, token, ',')) {
try {
const auto value = std::stof(token);
param.values.push_back(value);
} catch (std::invalid_argument& exception) {
LOG("Failed to parse value (%s): (%s)!", token.c_str(), exception.what());
}
}
}
parameters.push_back(param);
result.nextRow();
}
m_Cache.insert_or_assign(buffId, parameters);
return m_Cache.find(buffId)->second;
}