Implement the Imaginite Backpack and Shard armor scripts (#886)

* Imaginite Pack now works

* Remove unused params

* Address issues

* Add TeslaPack script

Co-authored-by: aronwk-aaron <aronwk.aaron@gmail.com>

dGame/Entity.cpp

@@ -824,6 +824,22 @@ std::vector<ScriptComponent*> Entity::GetScriptComponents() {
 	return comps;
 }
 
+void Entity::Subscribe(LWOOBJID scriptObjId, CppScripts::Script* scriptToAdd, const std::string& notificationName) {
+	if (notificationName == "HitOrHealResult" || notificationName == "Hit") {
+		auto* destroyableComponent = GetComponent<DestroyableComponent>();
+		if (!destroyableComponent) return;
+		destroyableComponent->Subscribe(scriptObjId, scriptToAdd);
+	}
+}
+
+void Entity::Unsubscribe(LWOOBJID scriptObjId, const std::string& notificationName) {
+	if (notificationName == "HitOrHealResult" || notificationName == "Hit") {
+		auto* destroyableComponent = GetComponent<DestroyableComponent>();
+		if (!destroyableComponent) return;
+		destroyableComponent->Unsubscribe(scriptObjId);
+	}
+}
+
 void Entity::SetProximityRadius(float proxRadius, std::string name) {
 	ProximityMonitorComponent* proxMon = GetComponent<ProximityMonitorComponent>();
 	if (!proxMon) {

dGame/Entity.h

@@ -26,8 +26,13 @@ class Spawner;
 class ScriptComponent;
 class dpEntity;
 class Component;
+class Item;
 class Character;
 
+namespace CppScripts {
+	class Script;
+};
+
 /**
  * An entity in the world. Has multiple components.
  */
@@ -139,6 +144,9 @@ public:
 
 	std::vector<ScriptComponent*> GetScriptComponents();
 
+	void Subscribe(LWOOBJID scriptObjId, CppScripts::Script* scriptToAdd, const std::string& notificationName);
+	void Unsubscribe(LWOOBJID scriptObjId, const std::string& notificationName);
+
 	void SetProximityRadius(float proxRadius, std::string name);
 	void SetProximityRadius(dpEntity* entity, std::string name);
 

dGame/dComponents/DestroyableComponent.cpp

@@ -631,6 +631,7 @@ void DestroyableComponent::Damage(uint32_t damage, const LWOOBJID source, uint32
 	auto* attacker = EntityManager::Instance()->GetEntity(source);
 	m_Parent->OnHit(attacker);
 	m_Parent->OnHitOrHealResult(attacker, sourceDamage);
+	NotifySubscribers(attacker, sourceDamage);
 
 	for (const auto& cb : m_OnHitCallbacks) {
 		cb(attacker);
@@ -648,6 +649,29 @@ void DestroyableComponent::Damage(uint32_t damage, const LWOOBJID source, uint32
 	Smash(source, eKillType::VIOLENT, u"", skillID);
 }
 
+void DestroyableComponent::Subscribe(LWOOBJID scriptObjId, CppScripts::Script* scriptToAdd) {
+	m_SubscribedScripts.insert(std::make_pair(scriptObjId, scriptToAdd));
+	Game::logger->LogDebug("DestroyableComponent", "Added script %llu to entity %llu", scriptObjId, m_Parent->GetObjectID());
+	Game::logger->LogDebug("DestroyableComponent", "Number of subscribed scripts %i", m_SubscribedScripts.size());
+}
+
+void DestroyableComponent::Unsubscribe(LWOOBJID scriptObjId) {
+	auto foundScript = m_SubscribedScripts.find(scriptObjId);
+	if (foundScript != m_SubscribedScripts.end()) {
+		m_SubscribedScripts.erase(foundScript);
+		Game::logger->LogDebug("DestroyableComponent", "Removed script %llu from entity %llu", scriptObjId, m_Parent->GetObjectID());
+	} else {
+		Game::logger->LogDebug("DestroyableComponent", "Tried to remove a script for Entity %llu but script %llu didnt exist", m_Parent->GetObjectID(), scriptObjId);
+	}
+	Game::logger->LogDebug("DestroyableComponent", "Number of subscribed scripts %i", m_SubscribedScripts.size());
+}
+
+void DestroyableComponent::NotifySubscribers(Entity* attacker, uint32_t damage) {
+	for (auto script : m_SubscribedScripts) {
+		script.second->NotifyHitOrHealResult(m_Parent, attacker, damage);
+	}
+}
+
 void DestroyableComponent::Smash(const LWOOBJID source, const eKillType killType, const std::u16string& deathType, uint32_t skillID) {
 	if (m_iHealth > 0) {
 		SetArmor(0);

dGame/dComponents/DestroyableComponent.h

@@ -7,6 +7,10 @@
 #include "Entity.h"
 #include "Component.h"
 
+namespace CppScripts {
+	class Script;
+}; //! namespace CppScripts
+
 /**
  * Represents the stats of an entity, for example its health, imagination and armor. Also handles factions, which
  * indicate which enemies this entity has.
@@ -422,6 +426,17 @@ public:
 	 */
 	void AddFactionNoLookup(int32_t faction) { m_FactionIDs.push_back(faction); };
 
+	/**
+	 * Notify subscribed scripts of Damage actions.
+	 * 
+	 * @param attacker The attacking Entity
+	 * @param damage The amount of damage that was done
+	 */
+	void NotifySubscribers(Entity* attacker, uint32_t damage);
+
+	void Subscribe(LWOOBJID scriptObjId, CppScripts::Script* scriptToAdd);
+	void Unsubscribe(LWOOBJID scriptObjId);
+
 private:
 	/**
 	 * Whether or not the health should be serialized
@@ -557,6 +572,11 @@ private:
 	 * The list of callbacks that will be called when this entity gets hit
 	 */
 	std::vector<std::function<void(Entity*)>> m_OnHitCallbacks;
+
+	/**
+	 * The list of scripts subscribed to this components actions
+	 */
+	std::map<LWOOBJID, CppScripts::Script*> m_SubscribedScripts;
 };
 
 #endif // DESTROYABLECOMPONENT_H

dGame/dComponents/InventoryComponent.cpp

@@ -27,8 +27,9 @@
 #include "dConfig.h"
 #include "eItemType.h"
 #include "eUnequippableActiveType.h"
+#include "CppScripts.h"
 
-InventoryComponent::InventoryComponent(Entity* parent, tinyxml2::XMLDocument* document) : Component(parent) {
+InventoryComponent::InventoryComponent(Entity* parent, tinyxml2::XMLDocument* document): Component(parent) {
 	this->m_Dirty = true;
 	this->m_Equipped = {};
 	this->m_Pushed = {};
@@ -867,6 +868,8 @@ void InventoryComponent::EquipItem(Item* item, const bool skipChecks) {
 
 	AddItemSkills(item->GetLot());
 
+	EquipScripts(item);
+
 	EntityManager::Instance()->SerializeEntity(m_Parent);
 }
 
@@ -895,6 +898,8 @@ void InventoryComponent::UnEquipItem(Item* item) {
 
 	PurgeProxies(item);
 
+	UnequipScripts(item);
+
 	EntityManager::Instance()->SerializeEntity(m_Parent);
 
 	// Trigger property event
@@ -904,6 +909,37 @@ void InventoryComponent::UnEquipItem(Item* item) {
 	}
 }
 
+
+void InventoryComponent::EquipScripts(Item* equippedItem) {
+	CDComponentsRegistryTable* compRegistryTable = CDClientManager::Instance()->GetTable<CDComponentsRegistryTable>("ComponentsRegistry");
+	if (!compRegistryTable) return;
+	int32_t scriptComponentID = compRegistryTable->GetByIDAndType(equippedItem->GetLot(), COMPONENT_TYPE_SCRIPT, -1);
+	if (scriptComponentID > -1) {
+		CDScriptComponentTable* scriptCompTable = CDClientManager::Instance()->GetTable<CDScriptComponentTable>("ScriptComponent");
+		CDScriptComponent scriptCompData = scriptCompTable->GetByID(scriptComponentID);
+		auto* itemScript = CppScripts::GetScript(m_Parent, scriptCompData.script_name);
+		if (!itemScript) {
+			Game::logger->Log("InventoryComponent", "null script?");
+		}
+		itemScript->OnFactionTriggerItemEquipped(m_Parent, equippedItem->GetId());
+	}
+}
+
+void InventoryComponent::UnequipScripts(Item* unequippedItem) {
+	CDComponentsRegistryTable* compRegistryTable = CDClientManager::Instance()->GetTable<CDComponentsRegistryTable>("ComponentsRegistry");
+	if (!compRegistryTable) return;
+	int32_t scriptComponentID = compRegistryTable->GetByIDAndType(unequippedItem->GetLot(), COMPONENT_TYPE_SCRIPT, -1);
+	if (scriptComponentID > -1) {
+		CDScriptComponentTable* scriptCompTable = CDClientManager::Instance()->GetTable<CDScriptComponentTable>("ScriptComponent");
+		CDScriptComponent scriptCompData = scriptCompTable->GetByID(scriptComponentID);
+		auto* itemScript = CppScripts::GetScript(m_Parent, scriptCompData.script_name);
+		if (!itemScript) {
+			Game::logger->Log("InventoryComponent", "null script?");
+		}
+		itemScript->OnFactionTriggerItemUnequipped(m_Parent, unequippedItem->GetId());
+	}
+}
+
 void InventoryComponent::HandlePossession(Item* item) {
 	auto* characterComponent = m_Parent->GetComponent<CharacterComponent>();
 	if (!characterComponent) return;

dGame/dComponents/InventoryComponent.h

@@ -352,6 +352,20 @@ public:
 	 */
 	static uint32_t FindSkill(LOT lot);
 
+	/**
+	 * Call this when you equip an item.  This calls OnFactionTriggerItemEquipped for any scripts found on the items.
+	 * 
+	 * @param equippedItem The item script to lookup and call equip on
+	 */
+	void EquipScripts(Item* equippedItem);
+	
+	/**
+	 * Call this when you unequip an item.  This calls OnFactionTriggerItemUnequipped for any scripts found on the items.
+	 * 
+	 * @param unequippedItem The item script to lookup and call unequip on
+	 */
+	void UnequipScripts(Item* unequippedItem);
+
 	~InventoryComponent() override;
 
 private: