Minor const-related code cleanup.

src/meshmanager.cpp

@@ -32,13 +32,13 @@ MeshManager::~MeshManager()
 }
 
 
-bool MeshManager::find(string name, Mesh** mesh)
+bool MeshManager::find(const string& name, Mesh** mesh)
 {
     return findResource(name, (void**) mesh);
 }
 
 
-Mesh* MeshManager::load(string name)
+Mesh* MeshManager::load(const string& name)
 {
     DPRINTF("Loading mesh: %s\n", name.c_str());
     ContentType fileType = DetermineFileType(name);

src/meshmanager.h

@@ -24,8 +24,8 @@ class MeshManager : public ResourceManager
     MeshManager(char* _baseDir) : ResourceManager(_baseDir) {};
     ~MeshManager();
 
-    bool find(string name, Mesh**);
+    bool find(const string& name, Mesh**);
-    Mesh* load(string name);
+    Mesh* load(const string& name);
 };
 
 #endif // _MESHMANAGER_H_

src/resmanager.cpp

@@ -37,7 +37,7 @@ ResourceManager::~ResourceManager()
 // in res and return true.  Otherwise, leave res untouched and return false.
 // find() can be safely called with res == NULL just to test whether or not
 // the resource is resident.
-bool ResourceManager::findResource(string name, void** res)
+bool ResourceManager::findResource(const string& name, void** res)
 {
     ResourceTable::iterator iter = resources.find(name);
     if (iter != resources.end())
@@ -53,7 +53,7 @@ bool ResourceManager::findResource(string name, void** res)
 }
 
 
-void ResourceManager::addResource(string name, void* res)
+void ResourceManager::addResource(const string& name, void* res)
 {
     resources.insert(ResourceTable::value_type(name, res));
 }

src/resmanager.h

@@ -19,17 +19,17 @@ class ResourceManager
 {
  public:
     ResourceManager();
-    ResourceManager(string _baseDir);
+    ResourceManager(std::string _baseDir);
     ResourceManager(char* _baseDir);
     ~ResourceManager();
 
  protected:
-    bool findResource(string name, void**);
+    bool findResource(const std::string& name, void**);
-    void addResource(string name, void*);
+    void addResource(const std::string& name, void*);
-    string baseDir;
+    std::string baseDir;
 
  private:
-    typedef std::map<string, void*> ResourceTable;
+    typedef std::map<std::string, void*> ResourceTable;
 
     ResourceTable resources;
 };