improved editor (deletion of entities and better loading dialog)

engine/Engine.cc

@@ -19,6 +19,7 @@
 #include <cstdarg>
 #include <cstdlib>
 #include <assert.h>
+#include <boost/filesystem.hpp>
 
 int vasprintf (char **result, const char *format, va_list *string) {
 	return 0;
@@ -381,5 +382,17 @@ std::string GetUserDirFullPath (const std::string &path) {
 	return EngineInstance->GetUserDirFullPath(path);
 }
 
+bool FileExists (const std::string &path) {
+	boost::filesystem::path file_path (path);
+
+	if (!boost::filesystem::exists(file_path))
+		return false;
+
+	if (boost::filesystem::is_directory(file_path))
+		return false;
+
+	return true;
+}
+
 }
 

engine/Engine.h

@@ -186,6 +186,10 @@ std::string GetResourceFullPath (const std::string &resource);
 /** \brief Returns the path to a file by prepending the user data path to it
  */
 std::string GetUserDirFullPath (const std::string &path);
+
+/** \brief Checks whether a given file exists */
+bool FileExists (const std::string &path);
+
 }
 
 /* Include the globally visible declarations of the other modules */

engine/ModelBase.cc

@@ -22,6 +22,7 @@ int ModelBase::OnInit (int argc, char* argv[]) {
 	mKilledEntities.clear ();
 	mEntityIdCounter = 0;
 	mDeltaSec = 0.;
+	mPlayerEntityId = NullEntityId;
 
 	return 0;
 }
@@ -192,7 +193,6 @@ EntityBase* ModelBase::GetEntityAt (const vector3d &pos) {
 	return NULL;
 }
 
-
 unsigned int ModelBase::CreateEntityId () {
 	if (mEntityIdCounter == NullEntityId - 1)
 		LogError ("Could not create valid entity id, reached maximum value of %u", mEntityIdCounter);