]> ruin.nu Git - popboot.git/blobdiff - node.cpp
not working
[popboot.git] / node.cpp
index 11fed08507b52bfe5953a1558aed3c3e2be6818a..acc5bd7090144cf31ffd4b536e2a5a68f1a72f18 100644 (file)
--- a/node.cpp
+++ b/node.cpp
@@ -1,5 +1,67 @@
 #include "node.h"
+#include <algorithm>
+using namespace std;
 
-Node::Node(Action action){
+Node::Node(const Action& action){
        _action = action;
+       _preconditions = _action.preconditions();
+       _executed = false;
 }
+Node::Node(){
+       _executed = false;
+}
+
+Node::Node(const Node& node){
+       _action = node._action;
+       _preconditions = node._preconditions;
+       _executed = node._executed;
+}
+
+const Action& Node::action() const{
+       return _action;
+}
+
+
+void Node::addChild(Node* node){
+       _children.push_back(node);
+}
+
+bool Node::executed() const{
+       return _executed;
+}
+
+const literals& Node::effects() const{
+       return _effects;
+}
+
+void Node::execute(const literals& effects){
+       for (literals::const_iterator effect = effects.begin(); effect != effects.end(); ++effect){
+               _preconditions.erase(find(_preconditions.begin(),_preconditions.end(), *effect));
+       }
+       if (_preconditions.size() != 0 || _executed)
+               return;
+
+       _executed = true;
+       int value = _action.execute();
+       _effects = _action.effects(value);
+
+       for(vector<Node*>::iterator child = _children.begin(); child != _children.end(); ++child){
+               (*child)->execute(effects);
+       }
+}
+
+StartNode::StartNode(const literals& init){
+       effectsMap initial;
+       initial[0] = init;
+       Node(Action("start",preconditionsVector(), initial));
+}
+
+EndNode::EndNode(const literals& goal){
+       preconditionsVector goalState;
+       pair<string,literals> goalPair;
+       goalPair.first = "";
+       goalPair.second = goal;
+       goalState.push_back(goalPair);
+       Node(Action("finish",goalState,effectsMap()));
+}
+