[AiliaMorisato]

first, appending ZoneDatabase::NPCSpawnDB(int8 command, const char* zone, Client *c, NPC* spawn, int32 extra)
two additional cases for the main switch

		case 5: { // add a spawn from spawngroup - Ailia
			char tmpstr[64];
			//char tmpstr2[64];
			if (!RunQuery(query, MakeAnyLenString(&query, "INSERT INTO spawn2 (zone, x, y, z, respawntime, heading, spawngroupID) values('%s', %f, %f, %f, %i, %f, %i)", zone, c->GetX(), c->GetY(), c->GetZ(), 120, c->GetHeading(), extra), errbuf, 0, 0, &tmp)) {
				safe_delete(query);
				return false;
			}
			if(c) c->LogSQL(query);
			safe_delete_array(query);

			return true;
			break;
			}
		case 6: { // add npc_type - Ailia
			int32 npc_type_id, spawngroupid;
			char tmpstr[64];
			//char tmpstr2[64];
			EntityList::RemoveNumbers(strn0cpy(tmpstr, spawn->GetName(), sizeof(tmpstr)));
			if (!RunQuery(query, MakeAnyLenString(&query, "INSERT INTO npc_types (name, level, race, class, hp, gender, texture, helmtexture, size, loottable_id, merchant_id, face, runspeed) values(\"%s\",%i,%i,%i,%i,%i,%i,%i,%f,%i,%i,%i,%f)", tmpstr, spawn->GetLevel(), spawn->GetRace(), spawn->GetClass(), spawn->GetMaxHP(), spawn->GetGender(), spawn->GetTexture(), spawn->GetHelmTexture(), spawn->GetSize(), spawn->GetLoottableID(), spawn->MerchantType, 0, spawn->GetRunspeed()), errbuf, 0, 0, &npc_type_id)) {
				safe_delete(query);
				return false;
			}
			if(c) c->LogSQL(query);
			safe_delete_array(query);
			c->Message(0, "%s npc_type ID %i created successfully!", tmpstr, npc_type_id);
			return true;
			break;
		}

line 139-143 or so,spawn2.cpp
adding a catch to load missing spawngroups to allow worldbuilding without rebooting zone

		//grab our spawn group
		SpawnGroup* sg = zone->spawn_group_list.GetSpawnGroup(spawngroup_id_);
		if (sg == NULL) {
			database.LoadSpawnGroupsByID(spawngroup_id_,&zone->spawn_group_list);
			sg = zone->spawn_group_list.GetSpawnGroup(spawngroup_id_);
		}

		if (sg == NULL) {
			_log(SPAWNS__MAIN, "Spawn2 %d: Unable to locate spawn group %d. Disabling.", spawn2_id, spawngroup_id_);
			return false;
		}

LoadSpawnGroupsByID function from previous code block added to spawngroup.cpp

bool ZoneDatabase::LoadSpawnGroupsByID(int spawngroupid, SpawnGroupList* spawn_group_list) {
	char errbuf[MYSQL_ERRMSG_SIZE];
	char *query = 0;
	MYSQL_RES *result;
	MYSQL_ROW row;
	

	// CODER new spawn code
	query = 0;
	if (RunQuery(query, MakeAnyLenString(&query, "SELECT DISTINCT spawngroup.id, spawngroup.name, spawngroup.spawn_limit, spawngroup.dist, spawngroup.max_x, spawngroup.min_x, spawngroup.max_y, spawngroup.min_y, spawngroup.delay FROM spawngroup WHERE spawngroup.ID='%i'", spawngroupid), errbuf, &result))
	{
		safe_delete_array(query);
		while((row = mysql_fetch_row(result))) {
			SpawnGroup* newSpawnGroup = new SpawnGroup( atoi(row[0]), row[1], atoi(row[2]), atof(row[3]), atof(row[4]), atof(row[5]), atof(row[6]), atof(row[7]), atoi(row[8]));
			spawn_group_list->AddSpawnGroup(newSpawnGroup);
		}
		mysql_free_result(result);
	}
	else
	{
		cerr << "Error2 in PopulateZoneLists query '" << query << "' " << errbuf << endl;
		safe_delete_array(query);
		return false;
	}

	query = 0;
	if (RunQuery(query, MakeAnyLenString(&query, 
		"SELECT DISTINCT spawnentry.spawngroupID, spawnentry.npcid, spawnentry.chance, spawngroup.spawn_limit FROM spawnentry,spawngroup WHERE spawnentry.spawngroupID='%i' AND spawngroup.spawn_limit='0' ORDER by chance", spawngroupid), errbuf, &result)) {
		safe_delete_array(query);
		while((row = mysql_fetch_row(result)))
		{
			SpawnEntry* newSpawnEntry = new SpawnEntry( atoi(row[1]), atoi(row[2]), row[3]?atoi(row[3]):0);
			SpawnGroup *sg = spawn_group_list->GetSpawnGroup(atoi(row[0]));
			if (sg)
				sg->AddSpawnEntry(newSpawnEntry);
			else
				cout << "Error in SpawngroupID: " << row[0] << endl;
		}
		mysql_free_result(result);
	}
	else
	{
		cerr << "Error3 in PopulateZoneLists query '" << query << "' " << errbuf << endl;
		safe_delete_array(query);
		return false;
	}

	// CODER end new spawn code
	return true;
}

loading random roaming data in spawn2.cpp following entity_list.LimitAddNPC(npc);

		if(sg->roamdist && sg->roambox[0] && sg->roambox[1] && sg->roambox[2] && sg->roambox[3] && sg->delay)
		npc->AI_SetRoambox(sg->roamdist,sg->roambox[0],sg->roambox[1],sg->roambox[2],sg->roambox[3],sg->delay);

2ndary constructor for spawngroup to hold group roaming data

SpawnGroup::SpawnGroup( uint32 in_id, char* name, int in_group_spawn_limit, float dist, float maxx, float minx, float maxy, float miny, int delay_in ) {
	id = in_id;
	strncpy( name_, name, 120);
	group_spawn_limit = in_group_spawn_limit;
	roambox[0]=maxx;
	roambox[1]=minx;
	roambox[2]=maxy;
	roambox[3]=miny;
	roamdist=dist;
	delay=delay_in;
}

updated loadspawngroups function with slightly faster queries and support for roaming data

bool ZoneDatabase::LoadSpawnGroups(const char* zone_name, SpawnGroupList* spawn_group_list) {
	char errbuf[MYSQL_ERRMSG_SIZE];
	char *query = 0;
	MYSQL_RES *result;
	MYSQL_ROW row;
		
	// CODER new spawn code
	query = 0;
	if (RunQuery(query, MakeAnyLenString(&query, "SELECT DISTINCT(spawngroupID), spawngroup.name, spawngroup.spawn_limit, spawngroup.dist, spawngroup.max_x, spawngroup.min_x, spawngroup.max_y, spawngroup.min_y, spawngroup.delay FROM spawn2,spawngroup WHERE spawn2.spawngroupID=spawngroup.ID and zone='%s'", zone_name), errbuf, &result))
	{
		safe_delete_array(query);
		while((row = mysql_fetch_row(result))) {
			SpawnGroup* newSpawnGroup = new SpawnGroup( atoi(row[0]), row[1], atoi(row[2]), atof(row[3]), atof(row[4]), atof(row[5]), atof(row[6]), atof(row[7]), atoi(row[8]));
			spawn_group_list->AddSpawnGroup(newSpawnGroup);
		}
		mysql_free_result(result);
	}
	else
	{
		cerr << "Error2 in PopulateZoneLists query '" << query << "' " << errbuf << endl;
		safe_delete_array(query);
		return false;
	}

	query = 0;
	if (RunQuery(query, MakeAnyLenString(&query, 
		"SELECT DISTINCT spawnentry.spawngroupID, npcid, chance, "
		"npc_types.spawn_limit AS sl "
		"FROM spawnentry, spawn2, npc_types "
		"WHERE spawnentry.npcID=npc_types.id AND spawnentry.spawngroupID=spawn2.spawngroupID "
		"AND zone='%s' ORDER by chance", zone_name), errbuf, &result)) {
		safe_delete_array(query);
		while((row = mysql_fetch_row(result)))
		{
			SpawnEntry* newSpawnEntry = new SpawnEntry( atoi(row[1]), atoi(row[2]), row[3]?atoi(row[3]):0);
			SpawnGroup *sg = spawn_group_list->GetSpawnGroup(atoi(row[0]));
			if (sg)
				sg->AddSpawnEntry(newSpawnEntry);
			else
				cout << "Error in SpawngroupID: " << row[0] << endl;
		}
		mysql_free_result(result);
	}
	else
	{
		cerr << "Error3 in PopulateZoneLists query '" << query << "' " << errbuf << endl;
		safe_delete_array(query);
		return false;
	}

	// CODER end new spawn code
	return true;
}

spawngroup.h adding public variables for roam data

	float roambox[4];
	float roamdist;
	int delay;