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amount of boosting for win/lose nodes configured by BOOST variable

master
melvin 2011-06-11 16:25:23 +08:00
parent 9faef86e98
commit 3b5c015f8d
1 changed files with 6 additions and 2 deletions
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8
src/magic/ai/MCTSAI.java
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@ -67,9 +67,13 @@ public class MCTSAI implements MagicAI {
private long STARTTIME;
private boolean USE_CACHE = true;
private static final int MAXEVENTS = 1000;
//higher C -> more exploration less exploitation
static final double C = 1.0;
//boost score of win nodes by BOOST and decrease scores of lost nodes by BOOST
static final int BOOST = 1000000;
//store the top 10000 most used nodes
private final CacheNode cache = null;// = new CacheNode(10000);
@ -532,9 +536,9 @@ class MCTSGameTree implements Iterable<MCTSGameTree> {
public double getRank() {
if (isAIWin()) {
return 10000 + getNumSim();
return MCTSAI.BOOST + getNumSim();
} else if (isAILose()) {
return -10000 + getNumSim();
return -MCTSAI.BOOST + getNumSim();
} else {
return getNumSim();
}