summaryrefslogtreecommitdiffstats
path: root/kmines/solver/headerP.h
diff options
context:
space:
mode:
authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitc90c389a8a8d9d8661e9772ec4144c5cf2039f23 (patch)
tree6d8391395bce9eaea4ad78958617edb20c6a7573 /kmines/solver/headerP.h
downloadtdegames-c90c389a8a8d9d8661e9772ec4144c5cf2039f23.tar.gz
tdegames-c90c389a8a8d9d8661e9772ec4144c5cf2039f23.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegames@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kmines/solver/headerP.h')
-rw-r--r--kmines/solver/headerP.h191
1 files changed, 191 insertions, 0 deletions
diff --git a/kmines/solver/headerP.h b/kmines/solver/headerP.h
new file mode 100644
index 00000000..984e3113
--- /dev/null
+++ b/kmines/solver/headerP.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 2001 Mikhail Kourinny (mkourinny@yahoo.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this program; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __HEADERP_H
+#define __HEADERP_H
+
+//#define DEBUG 2
+
+#include <set>
+#include <list>
+#include <map>
+#include <memory>
+#include <iostream>
+
+#include "bfield.h"
+
+
+using namespace KGrid2D;
+using std::cout;
+using std::endl;
+
+typedef std::set<Coord, std::less<Coord> > CoordSet;
+
+inline std::ostream &operator <<(std::ostream &s, const Coord &c)
+{
+ s << '(' << c.first << ',' << c.second << ')' << endl;
+ return s;
+}
+
+inline std::ostream &operator <<(std::ostream &s, const CoordSet &set)
+{
+ for(CoordSet::const_iterator i=set.begin(); i!=set.end(); ++i)
+ s << *i;
+ return s;
+}
+
+inline std::ostream &operator <<(std::ostream &s, const BaseField &f)
+{
+ for (uint j=0; j<f.height(); j++) {
+ for (uint i=0; i<f.width(); i++) {
+ Coord c(i, j);
+ if ( f.isCovered(c) ) s << "? ";
+ else s << f.nbMinesAround(c) << ' ';
+ }
+ s << endl;
+ }
+ return s;
+}
+
+namespace AdviseFast {
+
+ /** A fact - number of mines in adjacent cells */
+ struct Fact {
+ CoordSet pointSet;
+ short mines;
+ };
+ std::ostream &operator <<(std::ostream &, Fact const &);
+
+ /** A set of facts that can be generated out of Field */
+ class FactSet : public std::map<Coord, Fact> {
+ public:
+ FactSet(BaseField *);
+ BaseField const *getField() const { return _field;}
+
+ /** Reveals a point on the field underlining
+ * Returns false on blowup !!! */
+ bool reveal(
+ Coord what,
+ CoordSet *affectedFacts);
+ void mark(
+ Coord what,
+ CoordSet *affectedFacts);
+ CoordSet const *getContainingFacts(
+ Coord const &)
+ const;
+ /** May be used to substitute fact */
+ void addFact(Coord const &, Fact const &);
+ void deleteFact(Coord const &);
+ void retrieveFact(Coord which, Fact *where);
+
+ private:
+ BaseField *_field;
+ std::map<Coord, CoordSet> _containingFacts;
+ CoordSet _marked;
+ };
+ std::ostream &operator <<(std::ostream &, FactSet const &);
+
+ /** A Rule abstraction that can be applied.
+ * Applying the rule results in either modifyling the
+ * RuleSet which it belongs to or FactSet it is based on
+ * or both ;)
+ */
+ class RuleSet;
+ struct Rule {
+ Rule(RuleSet *parent);
+ virtual ~Rule();
+ virtual bool apply(CoordSet *surePoints) = 0;
+
+ RuleSet *_parent;
+ FactSet *_facts;
+#if defined(DEBUG)
+# if DEBUG >= 2
+ private:
+ static int leaks;
+# endif
+#endif
+ };
+
+ /** A set of rules */
+ class RuleSet {
+ public:
+ enum RuleType {
+ EMPTY,
+ FULL,
+ INCLUDE,
+ INCLUDE1,
+ INTERSECT,
+ INTERSECT1,
+ GENERAL};
+
+ typedef std::pair<RuleType, CoordSet> Entry;
+
+ RuleSet(FactSet *);
+ ~RuleSet();
+ void addRule(Entry const &);
+
+ /** A factory method */
+ Rule *newRule(Entry const &);
+
+ /** Remove all references to a point from RuleSet */
+ void removeRef(Coord);
+
+ /** removeRef + add a General Rule */
+ void addGeneral(Coord);
+
+ /** Returns false on blowup */
+ bool reveal(Coord p);
+
+ /** Returns false on failure */
+ bool getSurePoint(Coord *sp);
+ /** Works until is stuck :) */
+ void solve();
+
+ FactSet *facts;
+
+ private:
+ std::set<Entry> _rules;
+ CoordSet _surePoints;
+
+ /** Fills _surePoints.
+ * Returns false if nothing done. */
+ bool apply();
+ };
+
+ /** Returns true on success */
+ bool adviseFast(
+ Coord *point,
+ FactSet *facts,
+ RuleSet *rules);
+
+}
+
+
+namespace AdviseFull {
+ typedef std::multimap<float, Coord> ProbabilityMap;
+
+ /** If there are sure free cells,
+ * sets surePoints, otherwise sets probabilities */
+ void adviseFull(
+ AdviseFast::FactSet *facts,
+ CoordSet *surePoints,
+ ProbabilityMap *probabilities);
+
+}
+
+#endif