X-Git-Url: https://ruin.nu/git/?p=popboot.git;a=blobdiff_plain;f=node.cpp;h=dbb099cf47bc5c30fe14b03fe83aad6cd5d53ca9;hp=ed72a7f60c5a5e289c33fe36592a715d4ec29cc1;hb=09f6dfa65b66103c27dc831271d961de9ab0109e;hpb=498b277372ebab0008b97399d387285b36d88826

diff --git a/node.cpp b/node.cpp
index ed72a7f..dbb099c 100644
--- a/node.cpp
+++ b/node.cpp
@@ -1,8 +1,10 @@
 #include "node.h"
+#include <algorithm>
 using namespace std;
 
 Node::Node(Action action){
 	_action = action;
+	_preconditions = _action.preconditions();
 }
 
 Action Node::action(){
@@ -15,10 +17,15 @@ void Node::addChild(Node* node){
 }
 
 
-void Node::execute(){
+void Node::execute(literals effects){
+	for (literals::iterator effect = effects.begin(); effect != effects.end(); ++effect){
+		_preconditions.erase(find(_preconditions.begin(),_preconditions.end(), *effect));
+	}
+	if (_preconditions.size() != 0)
+		return;
 	_action.execute();
 	
 	for(vector<Node*>::iterator child = _children.begin(); child != _children.end(); ++child){
-		(*child)->execute();
+		(*child)->execute(_action.effects());
 	}
 }