1 files changed, 87 insertions, 0 deletions
diff --git a/pcbnew/router/pns_item.cpp b/pcbnew/router/pns_item.cpp
new file mode 100644
index 0000000..eb4b607
--- /dev/null
+++ b/pcbnew/router/pns_item.cpp
@@ -0,0 +1,87 @@
+/*
+ * KiRouter - a push-and-(sometimes-)shove PCB router
+ *
+ * Copyright (C) 2013-2014 CERN
+ * Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
+ *
+ * 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 3 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "pns_item.h"
+#include "pns_line.h"
+
+bool PNS_ITEM::collideSimple( const PNS_ITEM* aOther, int aClearance, bool aNeedMTV,
+        VECTOR2I& aMTV, bool aDifferentNetsOnly ) const
+{
+    // same nets? no collision!
+    if( aDifferentNetsOnly && m_net == aOther->m_net )
+        return false;
+
+    // check if we are not on completely different layers first
+    if( !m_layers.Overlaps( aOther->m_layers ) )
+        return false;
+
+    return Shape()->Collide( aOther->Shape(), aClearance );
+
+    // fixme: MTV
+}
+
+
+bool PNS_ITEM::Collide( const PNS_ITEM* aOther, int aClearance, bool aNeedMTV,
+        VECTOR2I& aMTV, bool aDifferentNetsOnly ) const
+{
+    if( collideSimple( aOther, aClearance, aNeedMTV, aMTV, aDifferentNetsOnly ) )
+        return true;
+
+    // special case for "head" line with a via attached at the end.
+    if( aOther->m_kind == LINE )
+    {
+        const PNS_LINE* line = static_cast<const PNS_LINE*>( aOther );
+
+        if( line->EndsWithVia() )
+            return collideSimple( &line->Via(), aClearance - line->Width() / 2, aNeedMTV, aMTV, aDifferentNetsOnly );
+    }
+
+    return false;
+}
+
+
+const std::string PNS_ITEM::KindStr() const
+{
+    switch( m_kind )
+    {
+    case LINE:
+        return "line";
+
+    case SEGMENT:
+        return "segment";
+
+    case VIA:
+        return "via";
+
+    case JOINT:
+        return "joint";
+
+    case SOLID:
+        return "solid";
+
+    default:
+        return "unknown";
+    }
+}
+
+
+PNS_ITEM::~PNS_ITEM()
+{
+}