I'm having trouble with the sequence of events

common/network/network_packet.hpp

@@ -66,7 +66,8 @@ union NetworkPacket {
 		PLAYER_UPDATE = 12,
 
 		//map data
-		REGION_CONTENT = 13,
+		REGION_REQUEST = 13,
+		REGION_CONTENT = 14,
 	};
 
 	//metadata on the packet itself
@@ -102,10 +103,11 @@ union NetworkPacket {
 	}playerInfo;
 
 	//map data
-	struct MapInformation {
+	struct RegionInformation {
 		Metadata meta;
+		int x, y;
 		Region* region;
-	}mapInfo;
+	}regionInfo;
 
 	//defaults
 	NetworkPacket() {
@@ -116,6 +118,10 @@ union NetworkPacket {
 
 #pragma pack(pop)
 
+/* content: width * height * depth * sizoeof(type)
+ * map size: sizeof(int) * 2
+ * metadata: sizeof(metadata)
+*/
 #define PACKET_BUFFER_SIZE std::max(sizeof(NetworkPacket), REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizeof(Region::type_t) + sizeof(int) * 2 + sizeof(NetworkPacket::Metadata))
 
 #endif

common/network/serial.cpp

@@ -76,11 +76,7 @@ void serializePlayer(NetworkPacket* packet, char* buffer) {
 	memcpy(buffer, &packet->playerInfo.motion.y, sizeof(double));
 }
 
-void serializeRegion(NetworkPacket* packet, char* buffer) {
+void serializeRegionContent(NetworkPacket* packet, char* buffer) {
-//	cout << "serializeRegion" << endl;
-	memcpy(buffer, &packet->meta.type, sizeof(NetworkPacket::Type));
-	buffer += sizeof(NetworkPacket::Type);
-
 	//TODO: incomplete
 /*	for (register int i = 0; i < packet->mapInfo.region->GetWidth(); i++) {
 		for (register int j = 0; j < packet->mapInfo.region->GetHeight(); j++) {
@@ -92,6 +88,22 @@ void serializeRegion(NetworkPacket* packet, char* buffer) {
 	}*/
 }
 
+void serializeRegion(NetworkPacket* packet, char* buffer) {
+//	cout << "serializeRegion" << endl;
+	memcpy(buffer, &packet->meta.type, sizeof(NetworkPacket::Type));
+	buffer += sizeof(NetworkPacket::Type);
+
+	//x & y
+	memcpy(buffer, &packet->regionInfo.x, sizeof(int));
+	buffer += sizeof(int);
+	memcpy(buffer, &packet->regionInfo.y, sizeof(int));
+	buffer += sizeof(int);
+
+	if (packet->meta.type == NetworkPacket::Type::REGION_CONTENT) {
+		serializeRegionContent(packet, buffer);
+	}
+}
+
 //-------------------------
 //internal deserialization functions
 //-------------------------
@@ -142,12 +154,24 @@ void deserializePlayer(NetworkPacket* packet, char* buffer) {
 	memcpy(&packet->playerInfo.motion.y, buffer, sizeof(double));
 }
 
+void deserializeRegionContent(NetworkPacket* packet, char* buffer) {
+	//TODO
+}
+
 void deserializeRegion(NetworkPacket* packet, char* buffer) {
 //	cout << "deserializeRegion" << endl;
 	memcpy(&packet->meta.type, buffer, sizeof(NetworkPacket::Type));
 	buffer += sizeof(NetworkPacket::Type);
 
-	//TODO
+	//x & y
+	memcpy(&packet->regionInfo.x, buffer, sizeof(int));
+	buffer += sizeof(int);
+	memcpy(&packet->regionInfo.y, buffer, sizeof(int));
+	buffer += sizeof(int);
+
+	if (packet->meta.type == NetworkPacket::Type::REGION_CONTENT) {
+		deserializeRegionContent(packet, buffer);
+	}
 }
 
 //-------------------------
@@ -185,7 +209,8 @@ void serialize(NetworkPacket* packet, void* buffer) {
 			serializePlayer(packet, reinterpret_cast<char*>(buffer));
 		break;
 
-		//map info
+		//region info
+		case NetworkPacket::Type::REGION_REQUEST:
 		case NetworkPacket::Type::REGION_CONTENT:
 			serializeRegion(packet, reinterpret_cast<char*>(buffer));
 		break;
@@ -207,7 +232,7 @@ void deserialize(NetworkPacket* packet, void* buffer) {
 		case NetworkPacket::Type::BROADCAST_REQUEST:
 		case NetworkPacket::Type::JOIN_REQUEST:
 		case NetworkPacket::Type::SYNCHRONIZE:
-			//
+			//NOTHING
 		break;
 
 		//Server info
@@ -230,8 +255,9 @@ void deserialize(NetworkPacket* packet, void* buffer) {
 		break;
 
 		//map info
+		case NetworkPacket::Type::REGION_REQUEST:
 		case NetworkPacket::Type::REGION_CONTENT:
-			serializeRegion(packet, reinterpret_cast<char*>(buffer));
+			deserializeRegion(packet, reinterpret_cast<char*>(buffer));
 		break;
 	}
 //	for (int i = 0; i < sizeof(NetworkPacket); i++) {