1 files changed, 179 insertions, 0 deletions
diff --git a/src/resources/resourcemanager.cpp b/src/resources/resourcemanager.cpp
new file mode 100644
index 00000000..1d65538f
--- /dev/null
+++ b/src/resources/resourcemanager.cpp
@@ -0,0 +1,179 @@
+/*
+ *  The Mana World
+ *  Copyright 2004 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World 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
+ *  any later version.
+ *
+ *  The Mana World 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 The Mana World; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  $Id$
+ */
+
+#include "../log.h"
+#include "image.h"
+#include "resourcemanager.h"
+#include <iostream>
+
+#ifdef WIN32
+#include <direct.h>
+#else
+#include <unistd.h>
+#endif
+
+ResourceEntry::ResourceEntry():
+    resource(NULL)
+{
+}
+
+ResourceManager *ResourceManager::instance = NULL;
+
+ResourceManager::ResourceManager()
+{
+}
+
+ResourceManager::~ResourceManager()
+{
+    // Create our resource iterator.
+    std::map<std::string, ResourceEntry>::iterator iter = resources.begin();
+    int danglingResources = 0;
+    int danglingReferences = 0;
+
+    // Iterate through and release references until objects are deleted.
+    while (iter != resources.end()) {
+        Resource *res = iter->second.resource;
+        danglingResources++;
+        danglingReferences++;
+        while (!res->decRef()) {
+            danglingReferences++;
+        }
+        iter++;
+    }
+    resources.clear();
+
+#ifdef __DEBUG
+    std::cout << "ResourceManager::~ResourceManager() cleaned up " <<
+        danglingReferences << " references to " << danglingResources <<
+        " resources\n";
+#endif
+}
+
+Resource* ResourceManager::create(const E_RESOURCE_TYPE &type,
+        const std::string &idPath)
+{
+    // Check if the id exists, and return the value if it does.
+    std::map<std::string, ResourceEntry>::iterator resIter =
+        resources.find(idPath);
+
+    if (resIter != resources.end() && resIter->second.resource) {
+        resIter->second.resource->incRef();
+        return resIter->second.resource;
+    }
+
+    // Attempt to load the object if it doesn't exist.
+
+    // The filePath string.
+    std::string filePath = "";
+
+    // Retrieve the current path for this program.
+    char programPath[260];
+    getcwd(programPath, 260);
+
+    // Set the filePath variable to the appropriate value
+    // this is only if we're not using a packed file.
+#ifdef WIN32
+    // Flip all of the idPath '/' to '\'
+    unsigned int begPos = 0;
+    unsigned int endPos = idPath.find("/");
+    std::strstream result;
+
+    // Loop through and replace all the characters.
+    while (endPos != std::string::npos) {
+        result << idPath.substr(begPos, endPos - begPos);
+        result << "\\";
+
+        begPos = endPos + 1;
+        endPos = (unsigned int)idPath.find("/");
+    }
+
+    filePath = std::string(programPath) + std::string("\\data\\") +
+        std::string(result.str());
+#else
+    filePath = std::string(programPath) + std::string("/data/") + idPath;
+#endif
+
+    Resource *resource = NULL;
+
+    // Create an object of the specified type.
+    switch (type)
+    {
+        case MAP:
+            warning("Map resource not supported.");
+            break;
+        case MUSIC:
+            warning("Music resource not supported.");
+            break;
+        case IMAGE:
+            // Attempt to create and load our image object.
+            resource = reinterpret_cast<Resource*>(Image::load(filePath));
+            break;
+        case SCRIPT:
+            warning("Script resource not supported.");
+            break;
+        case TILESET:
+            warning("Tileset resource not supported.");
+            break;
+        case SOUND_EFFECT:
+            warning("Sound FX resource not supported.");
+            break;
+        default: 
+            warning("Unknown resource type");
+            break;
+    }
+
+    if (resource) {
+        resource->incRef();
+
+        // Create the resource entry for this object.
+        ResourceEntry entry;
+        entry.filePath = filePath;
+        entry.resource = resource;
+
+        resources[idPath] = entry;
+    }
+
+    // Return NULL if the object could not be created.
+    return resource;
+}
+
+Image *ResourceManager::createImage(const std::string &idPath)
+{
+    return (Image*)create(IMAGE, idPath);
+}
+
+ResourceManager* ResourceManager::getInstance()
+{
+    // Create a new instance if necessary.
+    if (instance == NULL) instance = new ResourceManager();
+
+    return instance;
+}
+
+void ResourceManager::deleteInstance()
+{
+    if (instance != NULL) {
+        delete instance;
+        instance = NULL;
+    }
+}