Redoing event item api

common/CMakeLists.txt

@@ -2,6 +2,7 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 
 SET(common_sources
 	BasePacket.cpp
+	callback_manager.cpp
 	classes.cpp
 	Condition.cpp
 	crash.cpp
@@ -93,6 +94,7 @@ SET(common_headers
 	BasePacket.h
 	bodytypes.h
 	breakdowns.h
+	callback_manager.h
 	classes.h
 	common_profile.h
 	Condition.h

common/Item.cpp

@@ -65,6 +65,7 @@ ItemInst::ItemInst(const Item_Struct* item, int16 charges) {
 		m_color = 0;
 	m_merchantcount = 1;
 	m_SerialNumber = GetNextItemInstSerialNumber();
+	m_on_destroy = GetEQCallback("OnItemInstDestroy");
 }
 
 ItemInst::ItemInst(SharedDatabase *db, uint32 item_id, int16 charges) {
@@ -80,6 +81,7 @@ ItemInst::ItemInst(SharedDatabase *db, uint32 item_id, int16 charges) {
 		m_color = 0;
 	m_merchantcount = 1;
 	m_SerialNumber = GetNextItemInstSerialNumber();
+	m_on_destroy = GetEQCallback("OnItemInstDestroy");
 }
 
 ItemInstQueue::~ItemInstQueue() {
@@ -170,11 +172,16 @@ ItemInst::ItemInst(const ItemInst& copy)
 	}
 	m_SerialNumber = copy.m_SerialNumber;
 	m_custom_data = copy.m_custom_data;
+	m_on_destroy = copy.m_on_destroy;
 }
 
 // Clean up container contents
 ItemInst::~ItemInst()
 {
+	if(m_on_destroy) {
+		m_on_destroy(this);
+	}
+
 	Clear();
 }
 
@@ -1677,6 +1684,8 @@ EvoItemInst::EvoItemInst(const EvoItemInst &copy) {
 		m_scaledItem = new Item_Struct(*copy.m_scaledItem);
 	else
 		m_scaledItem = nullptr;
+
+	m_on_destroy = GetEQCallback("OnItemInstDestroy");
 }
 
 EvoItemInst::EvoItemInst(const ItemInst &basecopy) {
@@ -1716,6 +1725,7 @@ EvoItemInst::EvoItemInst(const ItemInst &basecopy) {
 	m_activated = false;
 	m_evolveInfo = nullptr;
 	m_scaledItem = nullptr;
+	m_on_destroy = copy->m_on_destroy;
 }
 
 EvoItemInst::EvoItemInst(const Item_Struct* item, int16 charges) {
@@ -1736,9 +1746,13 @@ EvoItemInst::EvoItemInst(const Item_Struct* item, int16 charges) {
 	m_activated = false;
 	m_evolveInfo = nullptr;
 	m_scaledItem = nullptr;
+	m_on_destroy = GetEQCallback("OnItemInstDestroy");
 }
 
 EvoItemInst::~EvoItemInst() {
+	if(m_on_destroy) {
+		m_on_destroy(this);
+	}
 	safe_delete(m_scaledItem);
 }
 

common/Item.h

@@ -37,6 +37,7 @@ class EvolveInfo;			// Stores information about an evolving item family
 #include "../common/eq_packet_structs.h"
 #include "../common/eq_constants.h"
 #include "../common/item_struct.h"
+#include "callback_manager.h"
 
 // Helper typedefs
 typedef std::list<ItemInst*>::const_iterator					iter_queue;
@@ -265,6 +266,8 @@ public:
 		m_instnodrop = false;
 		m_merchantslot = 0;
 		m_color = 0;
+
+		m_on_destroy = GetEQCallback("OnItemInstDestroy");
 	}
 
 	ItemInst(const ItemInst& copy);
@@ -404,6 +407,7 @@ protected:
 	// Items inside of this item (augs or contents);
 	std::map<uint8, ItemInst*> m_contents; // Zero-based index: min=0, max=9
 	std::map<std::string, std::string> m_custom_data;
+	eqemu_callback m_on_destroy;
 };
 
 class EvoItemInst: public ItemInst {

common/callback_manager.cpp

@@ -0,0 +1,17 @@
+#include <map>
+#include "callback_manager.h"
+
+std::map<std::string, eqemu_callback> callback_functions;
+
+void RegisterEQCallback(std::string name, eqemu_callback func) {
+	callback_functions[name] = func;
+}
+
+eqemu_callback GetEQCallback(std::string name) {
+	auto iter = callback_functions.find(name);
+	if(iter == callback_functions.end()) {
+		return nullptr;
+	}
+	
+	return iter->second;
+}

common/callback_manager.h

@@ -0,0 +1,12 @@
+#ifndef EQEMU_CALLBACK_MANAGER_H
+#define EQEMU_CALLBACK_MANAGER_H
+
+#include <string>
+#include <functional>
+
+typedef std::function<void(void*)> eqemu_callback;
+
+void RegisterEQCallback(std::string name, eqemu_callback func);
+eqemu_callback GetEQCallback(std::string name);
+
+#endif