Fix MSVC++ compile error caused by missing round() in math.h

cockatrice/CMakeLists.txt

@@ -82,6 +82,7 @@ SET(cockatrice_SOURCES
  ${CMAKE_CURRENT_BINARY_DIR}/version_string.cpp
 )
 SET(cockatrice_HEADERS
+ src/round.h
  src/abstractcounter.h 
  src/counter_general.h 
  src/dlg_creategame.h 

cockatrice/src/abstractcarditem.cpp

@@ -2,7 +2,10 @@
 #include <QGraphicsScene>
 #include <QCursor>
 #include <QGraphicsSceneMouseEvent>
-#include <math.h>
+#include <cmath>
+#ifdef _WIN32
+#include "round.h"
+#endif /* _WIN32 */
 #include "carddatabase.h"
 #include "cardinfowidget.h"
 #include "abstractcarditem.h"

cockatrice/src/phasestoolbar.cpp

@@ -3,7 +3,10 @@
 #include <QPen>
 #include <QTimer>
 #include <QDebug>
-#include <math.h>
+#include <cmath>
+#ifdef _WIN32
+#include "round.h"
+#endif /* _WIN32 */
 #include "phasestoolbar.h"
 #include "pixmapgenerator.h"
 

cockatrice/src/pixmapgenerator.cpp

@@ -2,7 +2,10 @@
 #include "pb/serverinfo_user.pb.h"
 #include <QPainter>
 #include <QSvgRenderer>
-#include <math.h>
+#include <cmath>
+#ifdef _WIN32
+#include "round.h"
+#endif /* _WIN32 */
 #include <QDebug>
 
 QMap<QString, QPixmap> PhasePixmapGenerator::pmCache;

cockatrice/src/playertarget.cpp

@@ -5,7 +5,10 @@
 #include <QPainter>
 #include <QPixmapCache>
 #include <QDebug>
-#include <math.h>
+#include <cmath>
+#ifdef _WIN32
+#include "round.h"
+#endif /* _WIN32 */
 
 PlayerCounter::PlayerCounter(Player *_player, int _id, const QString &_name, int _value, QGraphicsItem *parent)
     : AbstractCounter(_player, _id, _name, false, _value, parent)

cockatrice/src/replay_timeline_widget.cpp

@@ -2,7 +2,10 @@
 #include <QPainter>
 #include <QPalette>
 #include <QTimer>
-#include <math.h>
+#include <cmath>
+#ifdef _WIN32
+#include "round.h"
+#endif /* _WIN32 */
 
 ReplayTimelineWidget::ReplayTimelineWidget(QWidget *parent)
     : QWidget(parent), maxBinValue(1), maxTime(1), timeScaleFactor(1.0), currentTime(0), currentEvent(0)

cockatrice/src/round.h

@@ -0,0 +1,12 @@
+#ifndef MSVC_ROUND_FIX
+#define MSVC_ROUND_FIX
+/**
+ * This helper function exists only because MS VC++ 2010 does not support round() in 
+ * <cmath>. round() works with g++ and clang++ but is formally a C++11 extension.
+ * So this file exists for MS VC++ only.
+ */
+inline double round(double val) {
+	return floor(val + 0.5);
+}
+
+#endif /* MSVC_ROUND_FIX */

cockatrice/src/tablezone.cpp

@@ -1,7 +1,10 @@
 #include <QPainter>
 #include <QSet>
 #include <QGraphicsScene>
-#include <math.h>
+#include <cmath>
+#ifdef _WIN32
+#include "round.h"
+#endif /* _WIN32 */
 #include "tablezone.h"
 #include "player.h"
 #include "settingscache.h"