/*
* Given the specified level, spawn the npc's into it that are not currently active
* */
public void InstantiateNPCsinLevel(string level)
{
List <npc_data> to_modify = new List <npc_data>();
foreach (npc_data data in id_to_data.Values)
{
if (data.level == level & data.isActive && data.level_id == -1)
{
string dataval = data.npc;
string id_string = Json_Methods.GetValue(dataval, "NPCID");
if (int.TryParse(id_string, out int id))
{
NPC npc = NPC_Lib.npcLib.GetNPC(id);
npc = LoadNPConJson(npc, dataval);
//Set the npc position
Vector2 pos = getNPCpos(dataval);
//Set the npc to LOADED
npc.instantiation_type = NPC.INSTANCE_TYPE.LOADED;
Instantiate(npc, pos, Quaternion.identity);
to_modify.Add(data);
}
}
}
//For each npc we are adding, set to active
foreach (npc_data data in to_modify)
{
int instance_id = data.instance_id;
npc_data copy = id_to_data[instance_id];
copy.isActive = true;
id_to_data[instance_id] = copy;
}
}
/**
* Retrieves the npc position from the json file in respect to both x and y coordinates
* */
private Vector2 getNPCpos(string data)
{
string str_x = Json_Methods.GetValue(data, "x");
string str_y = Json_Methods.GetValue(data, "y");
float.TryParse(str_x, out float x);
float.TryParse(str_y, out float y);
Vector2 pos = new Vector2(x, y);
return(pos);
}
/* *
* When an npc is manually placed in the level, check to see if there is data that can be assigned first
* */
public void LoadNPCfromLevel(NPC npc, int levelID, string level)
{
int id = npc.GetID();
Destroy(npc.gameObject);
foreach (npc_data data in id_to_data.Values)
{
//If in current level, the player specific level id equals the saved one, and the saved npc is active, load it
if (data.level == level & data.level_id == levelID & data.isActive)
{
string strCheckId = Json_Methods.GetValue(data.npc, "NPCID");
int.TryParse(strCheckId, out int checkID);
//If the id of the JSON equals the saved npc id, then load the npc into the level
if (checkID == id)
{
//Create a copy of the npc from the library prefab (must use copy to not override prefab information)
NPC newnpc = Instantiate(NPC_Lib.npcLib.GetNPC(id));
NPC npcCopy = LoadNPConJson(newnpc, data.npc);
//Get the saved position from JSON
Vector2 pos = getNPCpos(data.npc);
//Set the instantiation type to loaded so it does not save as new instance once created
npcCopy.instantiation_type = NPC.INSTANCE_TYPE.LOADED;
//Create the npc at the position specified in the JSON
Instantiate(npcCopy, pos, Quaternion.identity);
int instance_id = data.instance_id;
npc_data copy = id_to_data[data.instance_id];
copy.isActive = true;
id_to_data[instance_id] = copy;
//Destroy the copy so we only have one in the world
Destroy(newnpc.gameObject);
break;
}
}
}
}
/**
* Given an npc id and a level, return a list of all instance id's that match
* */
public List <int> GetIDofNPCTypeInLevel(int npcID, string level)
{
List <int> ids = new List <int>();
foreach (npc_data data in id_to_data.Values)
{
if (data.level.Equals(level))
{
string savedID = Json_Methods.GetValue(data.npc, "ID");
if (int.TryParse(savedID, out int newid))
{
if (newid == npcID)
{
ids.Add(data.instance_id);
}
}
}
}
return(ids);
}
/**
* Save a new npc into the dictionary and return the instance id it is saved as.
* */
public int RegisterNPCInstance(string npc, int levelID, string level, bool persistent)
{
//Increment instance id
instance_id += 1;
npc = Json_Methods.ReplaceValue(npc, "instance_id", instance_id.ToString());
//Establish data for the npc
npc_data new_data = new npc_data();
new_data.instance_id = instance_id;
new_data.level = level;
new_data.level_id = levelID;
new_data.npc = npc;
new_data.persistent = persistent;
new_data.isActive = true;
//Reference instance id to new data
id_to_data.Add(instance_id, new_data);
return(instance_id);
}
