1 files changed, 102 insertions, 0 deletions
diff --git a/kbattleship/kbattleship/kbrandomshotstrategy.cpp b/kbattleship/kbattleship/kbrandomshotstrategy.cpp
new file mode 100644
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--- /dev/null
+++ b/kbattleship/kbattleship/kbrandomshotstrategy.cpp
@@ -0,0 +1,102 @@
+/***************************************************************************
+                            kbrandomshotstrategy.cpp
+                                  ----------
+    Developers: (c) 2001 Kevin Krammer <kevin.krammer@gmx.at>
+
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "kbrandomshotstrategy.h"
+
+KBRandomShotStrategy::KBRandomShotStrategy(KBStrategy *parent) : KBStrategy(parent)
+{
+	m_destroyer = new KBDestroyShipStrategy(this);
+	m_destroying = false;
+}
+
+KBRandomShotStrategy::~KBRandomShotStrategy()
+{
+	delete m_destroyer;
+}
+
+void KBRandomShotStrategy::init(KBattleField *field, const QRect &field_rect)
+{
+	KBStrategy::init(field, field_rect);
+	KRandomSequence rand;
+	m_column = (int) rand.getLong(m_fieldRect.width());
+	m_row = (int) rand.getLong(m_fieldRect.height());
+
+	if(m_destroyer != 0)
+		m_destroyer->init(field, field_rect);
+}
+
+const QPoint KBRandomShotStrategy::nextShot()
+{
+	if(hasMoreShots())
+	{
+		if(m_destroying)
+			return m_destroyer->nextShot();
+		else if(advance())
+			return QPoint(m_column, m_row);
+	}
+
+	return QPoint(0, 0);
+}
+
+bool KBRandomShotStrategy::advance()
+{
+	while(enemyFieldStateAt(m_column, m_row) == KBStrategy::SHOT)
+	{
+		m_column = m_randomSeq.getLong(m_fieldRect.width());
+		m_row = m_randomSeq.getLong(m_fieldRect.height());
+	}
+	return true;
+}
+
+bool KBRandomShotStrategy::hasMoreShots()
+{
+	if(m_parent == 0)
+	{
+		if((!m_destroying) && m_prevShots.count() > 0)
+		{
+			QPoint pos = m_prevShots.last();
+			int state = m_battleField->ownState(pos.x(), pos.y());
+			if(state == KBattleField::HIT)
+			{
+				m_destroying = true;
+				m_destroyer->destroyShipAt(pos);
+			}
+		}
+		if(m_destroying)
+		{
+			if(m_destroyer->hasMoreShots())
+				return true;
+			else
+				m_destroying = false;
+		}
+	}
+
+	for(int row = 0; row < m_fieldRect.height(); row++)
+	{
+		for(int col = 0; col < m_fieldRect.width(); col++)
+		{
+			if(enemyFieldStateAt(col, row) != KBStrategy::SHOT)
+				return true;
+		}
+	}
+
+	return false;
+}
+
+void KBRandomShotStrategy::shotAt(const QPoint &pos)
+{
+	m_prevShots.append(pos);
+}