feat: hatchlings

tested that hatchlings now function
fixes #759

Update MovementAIComponent.cpp

Update MovementAIComponent.cpp

Update HatchlingPets.cpp

dGame/Entity.cpp

@@ -2237,6 +2237,7 @@ bool Entity::MsgRequestServerObjectInfo(GameMessages::RequestServerObjectInfo& r
 	objectInfo.PushDebug<AMFIntValue>("Template ID(LOT)") = GetLOT();
 	objectInfo.PushDebug<AMFStringValue>("Object ID") = std::to_string(GetObjectID());
 	objectInfo.PushDebug<AMFStringValue>("Spawner's Object ID") = std::to_string(GetSpawnerID());
+	objectInfo.PushDebug<AMFStringValue>("Owner override") = std::to_string(m_OwnerOverride);
 
 	auto& componentDetails = objectInfo.PushDebug("Component Information");
 	for (const auto [id, component] : m_Components) {

dGame/dComponents/MovementAIComponent.cpp

@@ -189,6 +189,15 @@ void MovementAIComponent::Update(const float deltaTime) {
 					}
 				} else {
 					Stop();
+					if (m_FollowedTarget != LWOOBJID_EMPTY) {
+						GameMessages::GetPosition getPos;
+						if (!getPos.Send(m_FollowedTarget)) {
+							LOG("Target %llu does not exist anymore to follow", m_FollowedTarget);
+							m_FollowedTarget = LWOOBJID_EMPTY;
+						} else {
+							SetDestination(getPos.pos);
+						}
+					}
 					return;
 				}
 			} else {
@@ -555,5 +564,25 @@ bool MovementAIComponent::OnGetObjectReportInfo(GameMessages::GetObjectReportInf
 		pathCopy.pop();
 	}
 
+	movementInfo.PushDebug<AMFStringValue>("Followed Target") = std::to_string(m_FollowedTarget);
+
 	return true;
 }
+
+void MovementAIComponent::FollowTarget(const LWOOBJID target) {
+	if (target == LWOOBJID_EMPTY) {
+		m_FollowedTarget = target;
+		return;
+	}
+	GameMessages::GetPosition getPos;
+	if (!getPos.Send(target)) {
+		LOG("Tried to follow target %llu but they don't exist", target);
+		m_FollowedTarget = LWOOBJID_EMPTY;
+		return;
+	}
+
+	m_FollowedTarget = target;
+	SetMaxSpeed(1.0f);
+	m_CurrentSpeed = 1.0f;
+	SetDestination(getPos.pos);
+}

dGame/dComponents/MovementAIComponent.h

@@ -31,27 +31,27 @@ struct MovementAIInfo {
 	/**
 	 * The radius that the entity can wander in
 	 */
-	float wanderRadius;
+	float wanderRadius{};
 
 	/**
 	 * The speed at which the entity wanders
 	 */
-	float wanderSpeed;
+	float wanderSpeed{};
 
 	/**
 	 * This is only used for the emotes
 	 */
-	float wanderChance;
+	float wanderChance{};
 
 	/**
 	 * The min amount of delay before wandering
 	 */
-	float wanderDelayMin;
+	float wanderDelayMin{};
 
 	/**
 	 * The max amount of delay before wandering
 	 */
-	float wanderDelayMax;
+	float wanderDelayMax{};
 };
 
 /**
@@ -214,6 +214,8 @@ public:
 	bool OnGetObjectReportInfo(GameMessages::GetObjectReportInfo& reportInfo);
 
 	bool HasPath() const { return m_Path != nullptr; }
+
+	void FollowTarget(const LWOOBJID target);
 private:
 
 	/**
@@ -337,6 +339,8 @@ private:
 
 	// The number of waypoints that were on the path in the call to SetPath
 	uint32_t m_CurrentPathWaypointCount{ 0 };
+
+	LWOOBJID m_FollowedTarget{ LWOOBJID_EMPTY };
 };
 
 #endif // MOVEMENTAICOMPONENT_H

dScripts/02_server/CMakeLists.txt

@@ -37,6 +37,7 @@ target_include_directories(dScriptsServerBase PUBLIC "."
 	"Minigame"
 	"Minigame/General"
 	"Objects"
+	"Objects/Hatchlings"
 )
 target_precompile_headers(dScriptsServerBase REUSE_FROM dScriptsBase)
 

dScripts/02_server/Objects/CMakeLists.txt

@@ -1,4 +1,11 @@
+add_subdirectory(Hatchlings)
+
 set(DSCRIPTS_SOURCES_02_SERVER_OBJECTS 
 	"AgSurvivalBuffStation.cpp"
-	"StinkyFishTarget.cpp"
-	PARENT_SCOPE)
+	"StinkyFishTarget.cpp")
+
+foreach(file ${DSCRIPTS_SOURCES_02_SERVER_OBJECTS_HATCHLINGS})
+	set(DSCRIPTS_SOURCES_02_SERVER_OBJECTS ${DSCRIPTS_SOURCES_02_SERVER_OBJECTS} "Hatchlings/${file}")
+endforeach()
+
+set(DSCRIPTS_SOURCES_02_SERVER_OBJECTS ${DSCRIPTS_SOURCES_02_SERVER_OBJECTS} PARENT_SCOPE)

dScripts/02_server/Objects/Hatchlings/CMakeLists.txt

@@ -0,0 +1,3 @@
+set(DSCRIPTS_SOURCES_02_SERVER_OBJECTS_HATCHLINGS
+	"HatchlingPets.cpp"
+	PARENT_SCOPE)

dScripts/02_server/Objects/Hatchlings/HatchlingPets.cpp

@@ -0,0 +1,83 @@
+#include "HatchlingPets.h"
+
+#include "Entity.h"
+#include "MovementAIComponent.h"
+
+void HatchlingPets::OnStartup(Entity* self) {
+	self->SetVar(u"follow", false);
+
+	self->SetProximityRadius(5, "StopFollow");
+	self->SetProximityRadius(15, "Wander");
+	self->SetProximityRadius(50, "Teleport");
+
+	Wander(*self, *self->GetOwner());
+	self->AddComponent<MovementAIComponent>(-1, MovementAIInfo{ .wanderRadius = 2.5f });
+}
+
+void HatchlingPets::OnProximityUpdate(Entity* self, Entity* entering, std::string name, std::string status) {
+	auto* const parent = self->GetOwner();
+	if (!entering || !entering->IsPlayer() || parent->GetObjectID() != entering->GetObjectID()) return;
+
+	if (name == "StopFollow") {
+		if (status == "ENTER") {
+			if (self->GetVar<bool>(u"follow")) {
+				const auto randomWanderTime = GeneralUtils::GenerateRandomNumber<float>(4, 9);
+				self->AddTimer("StartWander", randomWanderTime);
+				// stop following the player
+				auto* const movementAI = self->GetComponent<MovementAIComponent>();
+				if (movementAI) {
+					movementAI->Stop();
+					movementAI->FollowTarget(LWOOBJID_EMPTY);
+				}
+				self->SetVar(u"follow", false);
+			}
+		}
+	} else if (name == "Wander") {
+		if (status == "LEAVE") {
+			self->CancelAllTimers();
+			// follow the player
+			auto* const movementAI = self->GetComponent<MovementAIComponent>();
+			if (movementAI) {
+				movementAI->Stop();
+				movementAI->FollowTarget(entering->GetObjectID());
+			}
+			self->SetVar(u"follow", true);
+		}
+	} else if (name == "Teleport") {
+		if (status == "LEAVE") {
+			// stop following the player
+			auto* const movementAI = self->GetComponent<MovementAIComponent>();
+			if (movementAI) {
+				movementAI->Stop();
+				movementAI->FollowTarget(LWOOBJID_EMPTY);
+			}
+			GameMessages::GetPosition getPos;
+			getPos.Send(entering->GetObjectID());
+			getPos.pos.z += 5.0f;
+			self->SetPosition(getPos.pos);
+			Game::entityManager->SerializeEntity(*self);
+		}
+	}
+}
+
+void HatchlingPets::OnTimerDone(Entity* self, std::string timerName) {
+	if (timerName == "StartWander") {
+		Wander(*self, *self->GetOwner());
+	}
+}
+
+void HatchlingPets::Wander(Entity& self, Entity& player) {
+	GameMessages::GetPosition getPos;
+	if (!getPos.Send(player.GetObjectID())) {
+		LOG("Failed to get position for %llu", player.GetObjectID());
+		return;
+	}
+
+	const auto xWander = GeneralUtils::GenerateRandomNumber<float>(0, 20) - 10.0f;
+	const auto zWander = GeneralUtils::GenerateRandomNumber<float>(0, 20) - 10.0f;
+	getPos.pos.x += xWander;
+	getPos.pos.z += zWander;
+	auto* const movementAI = self.GetComponent<MovementAIComponent>();
+	if (movementAI) movementAI->SetDestination(getPos.pos);
+	self.AddTimer("StartWander", GeneralUtils::GenerateRandomNumber<float>(4, 9));
+}

dScripts/02_server/Objects/Hatchlings/HatchlingPets.h

@@ -0,0 +1,14 @@
+#ifndef HATCHLINGPETS_H
+#define HATCHLINGPETS_H
+
+#include "CppScripts.h"
+#include "NiPoint3.h"
+
+class HatchlingPets : public CppScripts::Script {
+	void OnStartup(Entity* self) override;
+	void OnProximityUpdate(Entity* self, Entity* entering, std::string name, std::string status) override;
+	void OnTimerDone(Entity* self, std::string timerName) override;
+	void Wander(Entity& self, Entity& player);
+};
+
+#endif  //!HATCHLINGPETS_H

dScripts/CppScripts.cpp

@@ -166,6 +166,7 @@
 #include "AgSalutingNpcs.h"
 #include "BossSpiderQueenEnemyServer.h"
 #include "RockHydrantSmashable.h"
+#include "HatchlingPets.h"
 
 // Misc Scripts
 #include "ExplodingAsset.h"
@@ -423,6 +424,7 @@ namespace {
 		{"scripts\\ai\\NS\\L_NS_CONCERT_INSTRUMENT_QB.lua", []() {return new NsConcertInstrument();}},
 		{"scripts\\ai\\NS\\L_NS_JONNY_FLAG_MISSION_SERVER.lua", []() {return new NsJohnnyMissionServer();}},
 		{"scripts\\02_server\\Objects\\L_STINKY_FISH_TARGET.lua", []() {return new StinkyFishTarget();}},
+		{"scripts\\02_server\\Objects\\Hatchlings\\L_HATCHLING_PETS.lua", []() {return new HatchlingPets();}},
 		{"scripts\\zone\\PROPERTY\\NS\\L_ZONE_NS_PROPERTY.lua", []() {return new ZoneNsProperty();}},
 		{"scripts\\02_server\\Map\\Property\\NS_Med\\L_ZONE_NS_MED_PROPERTY.lua", []() {return new ZoneNsMedProperty();}},
 		{"scripts\\02_server\\Map\\NS\\L_NS_TOKEN_CONSOLE_SERVER.lua", []() {return new NsTokenConsoleServer();}},