Added heavily modified resource manager by zenogais that is currently using

Allegro to load/draw images. Only the login wallpaper is currently loaded
using the resource manager and the resource manager still waits with searching
for available files until they are asked for instead of indexing what is
available.

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;
+    }
+}