/// <summary>
/// Generate a RollableTable from an array of strings
/// </summary>
/// <param name="tableName"></param>
/// <param name="dieRoll"></param>
/// <param name="list"></param>
/// <returns></returns>
public static RollableTable FromList(string tableName, DieRoll dieRoll, string[] list)
{
if (tableName == null || dieRoll == null || list == null)
{
return(null);
}
//RollableTable table = new RollableTable(tableName);
//table.Dice = dieRoll;
//char[] comma = {','};
//char[] blank = {' '};
//foreach (string listMember in list)
//{
// RollableTableRow row = table.GetNewRow();
//}
RollableTable table;
if (TryParse(list, out table))
{
return(table);
}
return(null);
}
/// <summary>
/// Resolves the ItemRoll to a GameObject by performing a die roll
/// </summary>
/// <returns></returns>
public IResolver Resolve()
{
string name = String.Empty;
if (Item is GameObject)
{
name = ((GameObject)Item).Name;
}
else if (Item is GameObjectInstance)
{
name = ((GameObjectInstance)Item).Item.Name;
}
Logger.Write("Resolve ItemRoll: " + Item.ToString() + ", " + Dice.ToString() + " " + " x" + Multiplier + " (" + Percent + "%)");
DieRoll percentRoll = new DieRoll(1, 100, 0);
int percent = percentRoll.Roll();
Logger.Write("... rolled " + percentRoll.ToString() + ": " + percent.ToString() + "%" + ((percent <= Percent) ? "" : " NO ROLL"));
if (percent <= Percent)
{
return(Roll());
}
else
{
return(null);
}
}
/// <summary>
/// Perform a die roll from die roll stats
/// </summary>
/// <param name="dice"></param>
/// <param name="sides"></param>
/// <param name="modifier"></param>
/// <param name="keep"></param>
/// <returns></returns>
public static int Roll(int dice, int sides, int modifier, int keep)
{
DieRoll dr = new DieRoll(dice, sides, modifier);
dr.Keep = keep;
return(dr.Roll());
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="item"></param>
/// <param name="dice"></param>
/// <param name="multiplier"></param>
/// <param name="percent"></param>
public ItemRoll(IResolver item, DieRoll dice, int multiplier, int percent)
{
Item = item;
Dice = dice;
Multiplier = multiplier;
Percent = percent;
IsGrouped = true;
}
public RollableTable(string tableName)
{
TableName = tableName;
Dice = RollableTable.DefaultDieRoll();
Columns.Add(new DataColumn("LowRoll", typeof(int)));
Columns.Add(new DataColumn("HighRoll", typeof(int)));
Columns.Add(new DataColumn("RangeText", typeof(string)));
Columns.Add(new DataColumn("Item", typeof(IResolver)));
}
private void DieRollWriteXml(DieRoll obj)
{
writer.WriteStartElement("DieRoll");
Utility.WriteAttribute(writer, "Dice", obj.Dice, 1);
Utility.WriteAttribute(writer, "Sides", obj.Sides, 20);
Utility.WriteAttribute(writer, "Modifier", obj.Modifier, 0);
Utility.WriteAttribute(writer, "Keep", obj.Keep, obj.Dice);
writer.WriteEndElement();
}
private DieRoll DieRollFromXml(XmlNode node)
{
DieRoll obj = new DieRoll();
obj.Dice = Utility.ParseAttribute(node, "Dice", 1);
obj.Sides = Utility.ParseAttribute(node, "Sides", 20);
obj.Modifier = Utility.ParseAttribute(node, "Modifier", 0);
obj.Keep = Utility.ParseAttribute(node, "Keep", obj.Dice);
return(obj);
}
/// <summary>
/// Performs a die roll to generate one or more IResolvers from Item
/// </summary>
/// <returns></returns>
public IResolver Roll()
{
//GameObjectInstance result = new GameObjectInstance(Item, Dice.Roll() * Multiplier);
if (Item is GameObject)
{
GameObjectInstance item = new GameObjectInstance((GameObject)Item, Dice.Roll() * Multiplier);
Logger.Write("... rolled " + item.ToString());
return(item);
}
else if (Item is TableRoll && IsGrouped)
{
// Number of dice in Dice determines number of TableRolls performed.
// Dice rolled with a single die determines number of occurrences of each TableRoll results.
// e.g. if Dice = 4d10+2, 4 TableRolls are performed, and d10+2 is rolled to determine number of occurrences of each result.
TableRoll t = (TableRoll)Item;
Logger.Write("... performing " + Dice.Dice.ToString() + " rolls on " + t.Table.TableName);
ItemList list = new ItemList();
DieRoll singleRoll = new DieRoll(1, Dice.Sides, Dice.Modifier);
for (int i = 0; i < Dice.Dice; i++)
{
IResolver item = Item.Resolve();
if (item != null)
{
int count = singleRoll.Roll();
Logger.Write("... occurring " + count + " times");
for (int j = 0; j < count; j++)
{
list.Add(item);
}
}
}
return(list);
}
else
{
ItemList list = new ItemList();
int count = Dice.Roll() * Multiplier;
Logger.Write("... rolled " + Dice.ToString() + ": " + count.ToString());
for (int i = 0; i < count; i++)
{
list.Add(Item.Resolve());
}
return(list);
}
}
public IResolver Roll(int ignoreBelow, int ignoreAbove)
{
DieRoll dice = new DieRoll(1, this.Count, 0);
int roll = -1;
int attempts = 0;
while (attempts <= Constants.MaxRollAttempts && (roll < ignoreBelow || roll > ignoreAbove))
{
roll = dice.Roll();
attempts++;
}
IResolver result = this[roll];
return(result.Resolve());
}
/// <summary>
/// Return a resolved, randomly selected item from the list
/// </summary>
/// <param name="ignoreBelow"></param>
/// <param name="ignoreAbove"></param>
/// <returns></returns>
public IResolver Roll(int ignoreBelow, int ignoreAbove)
{
DieRoll dice = new DieRoll(1, _list.Count, 0);
int roll = -1;
int attempts = 0;
while (attempts <= Constants.MaxRollAttempts && (roll < ignoreBelow || roll > ignoreAbove))
{
roll = dice.Roll();
attempts++;
}
Dictionary <string, IResolver> .Enumerator en = _list.GetEnumerator();
for (int i = 0; i < roll; i++)
{
en.MoveNext();
}
string key = en.Current.Key;
return(this.Resolve(key));
}
/// <summary>
/// Convert a text string to an IResolver
/// </summary>
/// <param name="itemText"></param>
/// <returns></returns>
public static IResolver ParseItem(string itemText)
{
char[] comma = { ',' };
char[] blank = { ' ' };
// if the item is a comma-separated list, parse it as an ItemList
string[] items = itemText.Split(comma, StringSplitOptions.RemoveEmptyEntries);
if (items.Length > 1)
{
ItemList itemList = new ItemList();
foreach (string item in items)
{
IResolver obj = ParseItem(item);
if (obj != null)
{
itemList.Add(obj);
}
}
return(itemList);
}
// parse an individual item
else if (items.Length == 1)
{
DieRoll dieRoll;
GameObject gameObject;
string item = items[0];
// ItemRoll
string[] tokens = item.Split(blank, StringSplitOptions.RemoveEmptyEntries);
if (DieRoll.TryParse(tokens[0], out dieRoll))
{
string theRest = item.Substring(tokens[0].Length).Trim();
if (GameObject.TryParse(theRest, out gameObject))
{
return(new ItemRoll(gameObject, dieRoll));
}
}
// GameObjectInstance
GameObjectInstance gameObjectInstance;
if (GameObjectInstance.TryParse(item, out gameObjectInstance))
{
return(gameObjectInstance);
}
// TableRoll
if (item.ToLower().StartsWith("roll"))
{
TableRoll tableRoll;
if (TableRoll.TryParse(item.Remove(0, 5), out tableRoll))
{
return(tableRoll);
}
}
// GameObject
if (GameObject.TryParse(item, out gameObject))
{
return(gameObject);
}
}
return(null);
}
public static bool TryParse(string st, out TableRoll outTableRoll)
{
outTableRoll = new TableRoll();
char[] blank = { ' ' };
string[] words = st.ToLower().Split(blank, StringSplitOptions.RemoveEmptyEntries);
int i = 0;
int rolls = 1;
DieRoll dieRoll = null;
if (words[i] == "once")
{
i++;
}
else if (words[i] == "twice")
{
i++;
rolls = 2;
}
else if (int.TryParse(words[i], out rolls))
{
i++;
}
else if (DieRoll.TryParse(words[i], out dieRoll))
{
i++;
}
if (words[i] == "times")
{
i++;
}
if (words[i] == "on")
{
i++;
}
// get the RollableTable name enclosed in double quotes
string remainder = String.Join(" ", words, words.Length - i);
Regex regex = new Regex("\"([^\"]*)\"");
Match match = regex.Match(remainder);
if (match.Success)
{
int ignoreBelow = 0;
int ignoreAbove = int.MaxValue;
// scan for ignore options
remainder.Remove(0, match.Length);
words = remainder.Split(blank, StringSplitOptions.RemoveEmptyEntries);
i = 0;
if (words[i] == "ignoring" && words[i] == "ignore")
{
i++;
if (words[i] == "results")
{
i++;
}
switch (words[i])
{
case "above":
case ">":
case "greater":
i++;
if (words[i] == "than")
{
i++;
}
if (!int.TryParse(words[i], out ignoreAbove))
{
return(false);
}
break;
case "below":
case "<":
case "less":
i++;
if (words[i] == "than")
{
i++;
}
if (!int.TryParse(words[i], out ignoreBelow))
{
return(false);
}
break;
}
}
outTableRoll.Table = Repository.GetTable(match.Value);
outTableRoll.Rolls = rolls;
outTableRoll.IgnoreAbove = ignoreAbove;
outTableRoll.IgnoreBelow = ignoreBelow;
}
return(true);
}
public ItemRoll(IResolver item, DieRoll dice)
: this(item, dice, 1)
{
}
public ItemRoll(IResolver item, DieRoll dice, int multiplier)
: this(item, dice, multiplier, 100)
{
}
/// <summary>
/// Perform a die roll from a string such as "3d8+1"
/// </summary>
/// <param name="dieRollString"></param>
/// <returns></returns>
public static int Roll(string dieRollString)
{
DieRoll dieRoll = DieRoll.FromString(dieRollString);
return(dieRoll.Roll());
}
/// <summary>
/// Attempt to parse a die roll string, returning true if successful.
/// </summary>
/// <param name="dieRollString"></param>
/// <param name="dieRoll"></param>
/// <returns></returns>
public static bool TryParse(string dieRollString, out DieRoll dieRoll)
{
// 10/19/2011 - ideas for new ultimate syntax:
// 3/4d6+1:8/10 = roll 4d6, keep best 3, add 1; do this 10 times and return best 8.
// At least one of [dice, sides or modifier] must be a positive integer.
// If dice=0 or sides=0 then the modifier must be a positive int; in that case Roll will always return the modifier as the result.
// If keep is used it must be greater than 0.
int dice = 0;
int sides = 0;
int modifier = 0;
int keep = 0;
dieRoll = null;
// strip out blanks
string st = dieRollString.Replace(" ", String.Empty).ToLower();
// a dieRoll can be a numeric constant - in this case make it the modifier and we're done
if (int.TryParse(st, out modifier))
{
dieRoll = new DieRoll(dice, sides, modifier, keep);
return(modifier > 0);
}
// get the number of dice
int dPos = st.IndexOf("d");
if (dPos < 0)
{
return(false);
}
else
{
if (!int.TryParse(st.Substring(0, dPos), out dice))
{
dice = 1;
}
}
// parse and strip off the keep value if present
int iKeep = st.IndexOf(":");
if (iKeep >= 0)
{
if (!int.TryParse(st.Substring(iKeep + 1), out keep))
{
return(false);
}
st = st.Remove(iKeep);
}
// default keep to # of dice if not explicitly and correctly set
if (keep == 0)
{
keep = dice;
}
// get the modifier by parsing everything after +/-
char[] signs = { '+', '-' };
int sign = st.IndexOfAny(signs);
if (sign < 0)
{
modifier = 0;
}
else
{
// either there is a sign (so there is a modifier) or there is no "d" (so if there is only a fixed value it becomes the modifier)
if (!int.TryParse(st.Substring(sign), out modifier))
{
return(false);
}
}
// get the number of sides if there are dice (dice=0 indicates a fixed value roll)
if (dice > 0)
{
// get the sides by parsing everything between "d" and the sign, or everything after "d" if there is no sign;
if (sign < 0)
{
// parse everything after "d"
if (!int.TryParse(st.Substring(dPos + 1), out sides))
{
return(false);
}
}
else if (sign > dPos)
{
if (!int.TryParse(st.Substring(dPos + 1, sign - dPos - 1), out sides))
{
return(false);
}
}
}
dieRoll = new DieRoll(dice, sides, modifier, keep);
return(true);
}