/// <summary>
/// Returns price and time to level up ability for character.
/// </summary>
/// <param name="character"></param>
/// <param name="abilityData"></param>
/// <param name="abilityTreeData"></param>
/// <param name="level"></param>
/// <param name="price"></param>
/// <param name="time"></param>
public static void Get(Character character, AbilityData abilityData, AbilityTreeData abilityTreeData, int abilityLevel, out int price, out int time)
{
price = 999999;
time = 999999;
// This is all a little temporary. I don't know if we might want
// to use Lua for this, or maybe something else entirely.
// If we leave it as C#, we might not want to use reflection,
// or at least cache the methods, but for now it will work fine.
var call = abilityTreeData.PriceTime;
var match = CallRegex.Match(call);
if (!match.Success)
{
Log.Warning("AbilityPriceTime.Get: Invalid unlock call '{0}'.", call);
return;
}
var funcName = match.Groups["funcName"].Value;
var abilityClassName = abilityData.ClassName;
var maxLevel = abilityTreeData.MaxLevel;
var method = typeof(AbilityPriceTime).GetMethod(funcName);
if (method == null)
{
Log.Warning("AbilityPriceTime.Get: Unknown function '{0}'.", funcName);
return;
}
var parameters = method.GetParameters();
if (
method.ReturnType != typeof(void) ||
parameters.Length != 6 ||
parameters[0].ParameterType != typeof(Character) ||
parameters[1].ParameterType != typeof(string) ||
parameters[2].ParameterType != typeof(int) ||
parameters[3].ParameterType != typeof(int) ||
parameters[4].ParameterType.GetElementType() != typeof(int) || !parameters[4].IsOut ||
parameters[5].ParameterType.GetElementType() != typeof(int) || !parameters[5].IsOut
)
{
Log.Warning("AbilityPriceTime.Get: Function '{0}' has an invalid signature.", funcName);
return;
}
var funcParameters = new object[] { character, abilityClassName, abilityLevel, maxLevel, null, null };
method.Invoke(null, funcParameters);
price = (int)funcParameters[4];
time = (int)funcParameters[5];
}
/// <summary>
/// Returns true if given ability is unlocked for character.
/// </summary>
/// <param name="character"></param>
/// <param name="abilityTreeData"></param>
/// <returns></returns>
public static bool IsUnlocked(Character character, AbilityData abilityData, AbilityTreeData abilityTreeData)
{
// This is all a little temporary. I don't know if we might want
// to use Lua for this, or maybe something else entirely.
// If we leave it as C#, we might not want to use reflection,
// or at least cache the methods, but for now it will work fine.
var call = abilityTreeData.Unlock;
var match = UnlockCallRegex.Match(call);
if (!match.Success)
{
Log.Warning("AbilityUnlock.IsUnlocked: Invalid unlock call '{0}'.", call);
return(false);
}
var funcName = match.Groups["funcName"].Value;
var strParam = match.Groups["strParam"].Value;
var numParam = Convert.ToInt32(match.Groups["numParam"].Value);
var method = typeof(AbilityUnlock).GetMethod(funcName);
if (method == null)
{
Log.Warning("AbilityUnlock.IsUnlocked: Unknown function '{0}'.", funcName);
return(false);
}
var parameters = method.GetParameters();
if (
method.ReturnType != typeof(bool) ||
parameters.Length != 4 ||
parameters[0].ParameterType != typeof(Character) ||
parameters[1].ParameterType != typeof(string) ||
parameters[2].ParameterType != typeof(int) ||
parameters[3].ParameterType != typeof(AbilityData)
)
{
Log.Warning("AbilityUnlock.IsUnlocked: Function '{0}' has an invalid signature.", funcName);
return(false);
}
var result = (bool)method.Invoke(null, new object[] { character, strParam, numParam, abilityData });
return(result);
}
/// <summary>
/// Official slash command to learn abilities.
/// </summary>
/// <param name="conn"></param>
/// <param name="sender"></param>
/// <param name="target"></param>
/// <param name="command"></param>
/// <param name="args"></param>
/// <returns></returns>
private CommandResult HandleLearnPcAbil(ChannelConnection conn, Character sender, Character target, string command, string[] args)
{
// Since this command is sent via UI interactions, we'll not
// use any automated command result messages, but we'll leave
// debug messages for now, in case of unexpected values.
if (args.Length != 3 || !int.TryParse(args[2], out var levels) || levels < 1)
{
Log.Debug("HandleLearnPcAbil: Invalid call by user '{0}': {1}", conn.Account.Name, command);
return(CommandResult.Okay);
}
var className = args[1];
var abilityData = ChannelServer.Instance.Data.AbilityDb.Find(className);
if (abilityData == null)
{
Log.Debug("HandleLearnPcAbil: User '{0}' tried to learn non-existent ability '{1}'.", conn.Account.Name, className);
return(CommandResult.Okay);
}
// All we get here is the ability name, but whether it can
// be learned or not potentially depends on any of the job's
// ability tree's entries. We have to check whether the ability
// can be learned by any of the character's jobs.
var abilityId = abilityData.Id;
var canLearn = false;
var jobs = sender.Jobs.GetList();
AbilityTreeData abilityTreeData = null;
foreach (var job in jobs)
{
// An ability can be learned by a job if there's an entry
// for it in the tree and an unlock condition is given.
var jobAbilityTreeData = ChannelServer.Instance.Data.AbilityTreeDb.Find(job.Id, abilityId);
if (jobAbilityTreeData != null && jobAbilityTreeData.HasUnlock)
{
var unlocked = AbilityUnlock.IsUnlocked(sender, abilityData, jobAbilityTreeData);
if (unlocked)
{
canLearn = true;
abilityTreeData = jobAbilityTreeData;
break;
}
}
}
if (!canLearn)
{
Log.Debug("HandleLearnPcAbil: User '{0}' tried to learn ability '{1}', which they can't learn (yet).", conn.Account.Name, className);
return(CommandResult.Okay);
}
var ability = sender.Abilities.Get(abilityId);
var currentLevel = (ability == null ? 0 : ability.Level);
var newLevel = (currentLevel + levels);
var maxLevel = abilityTreeData.MaxLevel;
if (newLevel > maxLevel)
{
Log.Debug("HandleLearnPcAbil: User '{0}' tried to increase ability '{1}'s level past the max level of {2}.", conn.Account.Name, className, maxLevel);
return(CommandResult.Okay);
}
// Price and time can come either from the actual values,
// or from functions that return both.
var price = abilityTreeData.Price;
var time = abilityTreeData.Time;
if (abilityTreeData.HasPriceTime)
{
price = 0;
for (var i = currentLevel + 1; i <= newLevel; ++i)
{
AbilityPriceTime.Get(sender, abilityData, abilityTreeData, i, out var addPrice, out time);
price += addPrice;
}
}
var points = sender.AbilityPoints;
if (points < price)
{
Log.Debug("HandleLearnPcAbil: User '{0}' didn't have enough points.", conn.Account.Name);
return(CommandResult.Okay);
}
//Log.Debug("Learn: {0}", abilityData.EngName);
//Log.Debug("- From: {0}", currentLevel);
//Log.Debug("- To: {0}", newLevel);
//Log.Debug("- Price: {0}", price);
//Log.Debug("- Time: {0}", time);
// Add ability if character doesn't have it yet
if (ability == null)
{
ability = new Ability(abilityId, 0);
sender.Abilities.Add(ability);
}
// Update ability
ability.Level += levels;
Send.ZC_OBJECT_PROPERTY(sender.Connection, ability);
sender.ModifyAbilityPoints(-price);
Send.ZC_ADDON_MSG(sender, AddonMessage.RESET_ABILITY_UP, "Ability_" + abilityTreeData.Category);
Send.ZC_ADDON_MSG(sender, AddonMessage.SUCCESS_LEARN_ABILITY, abilityTreeData.Category);
return(CommandResult.Okay);
}