/// <summary> Returns a modified seed with the given <see cref="offset"/> </summary>
/// <param name="offset"> Index value to use </param>
/// <returns> Returns a modified seed with the given <see cref="offset"/> </returns>
public ItemGenSeed Offset(long offset)
{
ItemGenSeed next = this;
next.offset = offset;
return(next);
}
/// <summary> Returns a modified seed with the given <see cref="index"/> </summary>
/// <param name="index"> Index value to use </param>
/// <returns> Returns a modified seed with the given <see cref="index"/> </returns>
public ItemGenSeed Scale(double scale)
{
ItemGenSeed next = this;
next.scale = scale;
return(next);
}
/// <summary> Generate some data, starting at a given rule, with a given seed. </summary>
/// <param name="startingRule"> Name of rule to search for and begin at </param>
/// <param name="igSeed"> Seed value used to generate data </param>
/// <returns> Generated data + history. </returns>
public JsonObject Generate(string startingRule, ItemGenSeed igSeed)
{
State state = new State(igSeed);
state.result["startingRule"] = startingRule;
state.result["genType"] = ruleset.Get <string>("type");
state.result["genId"] = startingRule;
JsonObject initializer = ruleset.Pull <JsonObject>("initialize");
if (initializer != null)
{
state.result.SetRecursively(initializer);
}
long lseed = igSeed.seed;
double scale = igSeed.scale;
// The rule is to add the empty history for the next rule before calling Apply
// This allows Apply to figure out exactly where in the chain it is.
state.PushHistory(startingRule);
Apply(state, startingRule, ruleset);
state.PopHistory();
return(state.result);
}
/// <summary> Returns a modified seed with +1 to the <see cref="index"/> field </summary>
/// <returns> Returns a modified seed with +1 to the <see cref="index"/> field </returns>
public ItemGenSeed Next()
{
ItemGenSeed next = this;
next.scale += 1.0;
return(next);
}
public State(ItemGenSeed igSeed)
{
this.igSeed = igSeed;
// Resulting creation + history
result = new JsonObject(
"name", "",
"genId", "",
"root", igSeed.root.ToString(),
"offset", igSeed.offset,
"scale", igSeed.scale,
"genHistory", new JsonArray()
);
path = new List <string>();
long seed = igSeed.seed;
long hi = (seed >> 32) & 0x00000000FFFFFFFF;
long low = seed & 0x00000000FFFFFFFF;
int mix = (int)(low ^ hi);
random = new Random(mix < 0 ? -mix : mix);
}
