X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=node.cpp;h=24da8b1dd60c36d9575151630ca3e990905b9ef2;hb=8282bdb08791f2631a9d51e75b988077d903f3d1;hp=b4d22fb9569c28cea70176abce6ce585c2b8b8c1;hpb=76a6e62c0a20bebba4c828f528f118a1f789b593;p=popboot.git

diff --git a/node.cpp b/node.cpp
index b4d22fb..24da8b1 100644
--- a/node.cpp
+++ b/node.cpp
@@ -34,19 +34,22 @@ bool Node::executed() const{
 const Literals& Node::effects() const{
 	return _effects;
 }
-void Node::satisfyCondition(std::string effect){
+
+bool Node::satisfyCondition(std::string effect){
 	_preconditions.erase(_preconditions.find(effect));
+	return _preconditions.size() == 0 && !_executed;
 }
 
-void Node::execute(const Literals& effects){
-	cerr << "Executing: " << _action->name() << endl;
+bool Node::satisfyConditions(const Literals& effects){
 	for (Literals::const_iterator effect = effects.begin(); effect != effects.end(); ++effect){
-		cerr << "Satisfied effect: " << *effect << endl;
 		_preconditions.erase(_preconditions.find(*effect));
 	}
-	cerr << "Number of preconditions left: " << _preconditions.size() << endl;
+	return _preconditions.size() == 0 && !_executed;
+}
+
+void Node::execute(){
 	if(_executed)
-		cerr << "Already executed" << endl;
+		cerr << "Already executed " << _action->name() << endl;
 	if ((_preconditions.size() != 0) || _executed)
 		return;
 
@@ -54,23 +57,27 @@ void Node::execute(const Literals& effects){
 	int value = _action->execute();
 	_effects = _action->effects(value);
 
-	cerr << "Got returnvalue: " << value << ", number of effects: " << _effects.size() << endl;
-
-	for(vector<Node*>::iterator child = _children.begin(); child != _children.end(); ++child){
-		(*child)->execute(_effects);
-	}
 }
 
+const std::vector<Node*>& Node::children() const{
+	return _children;
+}
 StartNode::StartNode(const Literals& init){
 	EffectsMap initial;
 	initial[0] = init;
 	_action = new Action("start",Preconditions(),"", initial);
+	_executed = true;
+	_effects = init;
+}
+
+const Preconditions& Node::preconditions() const{
+	return _preconditions;
 }
 
 EndNode::EndNode(const Literals& goal){
 	Preconditions goalState;
 	for(Literals::const_iterator g = goal.begin(); g != goal.end(); ++g)
-		goalState[*g] = true;
+		goalState[*g] = false;
 	_action = new Action("finish",goalState,"",EffectsMap());
 	_preconditions = _action->preconditions();
 }