summaryrefslogtreecommitdiff
path: root/src/resources
diff options
context:
space:
mode:
Diffstat (limited to 'src/resources')
-rw-r--r--src/resources/image.cpp124
-rw-r--r--src/resources/image.h125
-rw-r--r--src/resources/resource.cpp57
-rw-r--r--src/resources/resource.h73
-rw-r--r--src/resources/resourcemanager.cpp179
-rw-r--r--src/resources/resourcemanager.h106
6 files changed, 664 insertions, 0 deletions
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
new file mode 100644
index 00000000..8a37a4e1
--- /dev/null
+++ b/src/resources/image.cpp
@@ -0,0 +1,124 @@
+/*
+ * 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 <iostream>
+
+Image::Image(BITMAP *image):
+ image(image)
+{
+}
+
+Image::~Image()
+{
+ unload();
+}
+
+Image* Image::load(const std::string &filePath)
+{
+ // Attempt to use SDL_Image to load the file.
+ //image = IMG_Load(filePath.c_str());
+ std::cout << "Attempting to load image from " << filePath << std::endl;
+ BITMAP *image = load_bitmap(filePath.c_str(), NULL);
+
+ // Check if the file was opened and return the appropriate value.
+ if (!image) {
+ //log("Error", "Image load failed : %s", IMG_GetError());
+ log("Error", "Image load failed : %s", filePath.c_str());
+ return NULL;
+ }
+
+ return new Image(image);
+}
+
+void Image::unload()
+{
+ // Free the image surface.
+ if (image != NULL) {
+ //SDL_FreeSurface(image);
+ destroy_bitmap(image);
+ image = NULL;
+ loaded = false;
+ }
+}
+
+Image* Image::createSubImage(int x, int y, int width, int height)
+{
+ // Create a new clipped sub-image
+ return new SubImage(this, image, x, y, width, height);
+}
+
+bool Image::draw(BITMAP *screen, int x, int y)
+{
+ // Check that preconditions for blitting are met.
+ if (screen == NULL || image == NULL) return false;
+
+ // Draw the image onto the screen.
+ draw_sprite(screen, image, x, y);
+ //if (SDL_BlitSurface(image, NULL, screen, &screenRect) < 0) {
+ // return false;
+ //}
+
+ return true;
+}
+
+SubImage::SubImage(Image *parent, BITMAP *image,
+ int x, int y, int width, int height):
+ Image(create_sub_bitmap(image, x, y, width, height)),
+ parent(parent)
+{
+ //this->image = create_sub_bitmap(image, x, y, width, height);
+ parent->incRef();
+ // Set up the clipping rectangle.
+ //clipRect.x = x;
+ //clipRect.y = y;
+ //clipRect.w = width;
+ //clipRect.h = height;
+}
+
+SubImage::~SubImage()
+{
+ if (image) {
+ destroy_bitmap(image);
+ }
+ parent->decRef();
+}
+
+void SubImage::unload()
+{
+}
+
+bool SubImage::draw(BITMAP *screen, int x, int y)
+{
+ // Check that drawing preconditions are satisfied.
+ if (screen == NULL || image == NULL) return false;
+
+ // Draw the image onto the screen.
+ draw_sprite(screen, image, x, y);
+ //if (SDL_BlitSurface(image, &clipRect, screen, &screenRect) < 0) {
+ // return false;
+ //}
+
+ return true;
+}
diff --git a/src/resources/image.h b/src/resources/image.h
new file mode 100644
index 00000000..363dabde
--- /dev/null
+++ b/src/resources/image.h
@@ -0,0 +1,125 @@
+/*
+ * 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
+ *
+ * $Id$
+ */
+
+#ifndef _TMW_IMAGE_H
+#define _TMW_IMAGE_H
+
+#include "resource.h"
+//#include <SDL/SDL.h>
+#include <allegro.h>
+
+/**
+ * A clipped version of a larger image.
+ */
+class SubImage;
+
+/**
+ * Defines a class for loading and storing images.
+ */
+class Image : public Resource
+{
+ public:
+ /**
+ * Constructor.
+ */
+ Image(BITMAP *image);
+
+ /**
+ * Destructor.
+ */
+ virtual ~Image();
+
+ /**
+ * Loads an image.
+ * @param filePath The path to the image file to load.
+ * @return <code>true</code> if the image was loaded
+ * <code>false</code> otherwise.
+ */
+ static Image *load(const std::string &filePath);
+
+ /**
+ * Frees the resources created by SDL.
+ */
+ void unload();
+
+ /**
+ * Creates a new image with the desired clipping rectangle.
+ * @return <code>NULL</code> if creation failed and a valid
+ * object otherwise.
+ */
+ Image* createSubImage(int x, int y, int width, int height);
+
+ /**
+ * Attempts to blit the internal image onto the screen.
+ * @return <code>true</code> if the image was blitted properly
+ * <code>false</code> otherwise.
+ */
+ bool draw(BITMAP *screen, int x, int y);
+
+ protected:
+ //SDL_Rect screenRect;
+ //SDL_Surface *image;
+ BITMAP *image;
+};
+
+/**
+ * A clipped version of a larger image.
+ */
+class SubImage : public Image
+{
+ public:
+ /**
+ * Constructor.
+ */
+ //SubImage(SDL_Surface *timage, int x, int y, int width, int height);
+ SubImage(Image *parent, BITMAP *image,
+ int x, int y, int width, int height);
+
+ /**
+ * Destructor.
+ */
+ ~SubImage();
+
+ /**
+ * Redefines unload to not do anything.
+ */
+ void unload();
+
+ /**
+ * Draws the clipped image onto the screen.
+ * @return <code>true</code> if drawing was succesful
+ * <code>false</code> otherwise.
+ */
+ bool draw(BITMAP *screen, int x, int y);
+
+ private:
+ Image *parent;
+ //BITMAP *image;
+ //SDL_Rect clipRect;
+ //SDL_Rect screenRect;
+ //SDL_Surface *image;
+ //SDL_Surface *screen;
+ //unsigned int referenceCount;
+};
+
+#endif
diff --git a/src/resources/resource.cpp b/src/resources/resource.cpp
new file mode 100644
index 00000000..6b4a554f
--- /dev/null
+++ b/src/resources/resource.cpp
@@ -0,0 +1,57 @@
+/*
+ * 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 "resource.h"
+
+Resource::Resource():
+ referenceCount(0)
+{
+}
+
+bool Resource::isLoaded() const
+{
+ return loaded;
+}
+
+void Resource::incRef()
+{
+ ++referenceCount;
+}
+
+bool Resource::decRef()
+{
+ /* Warning: There is still a serious problem with the object deleting
+ * itself and that is that the resource manager doesn't know about it
+ * currently, causing it to crash while trying to clean up. Don't use
+ * this function until that is solved. Probably we'll have to make it
+ * so that decrementing count goes through resource manager too.
+ */
+ --referenceCount;
+
+ if (!referenceCount) {
+ delete this;
+ return true;
+ }
+
+ return false;
+}
diff --git a/src/resources/resource.h b/src/resources/resource.h
new file mode 100644
index 00000000..f1252c12
--- /dev/null
+++ b/src/resources/resource.h
@@ -0,0 +1,73 @@
+/*
+ * 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
+ *
+ * $Id$
+ */
+
+#ifndef _TMW_RESOURCE_H
+#define _TMW_RESOURCE_H
+
+#include <string>
+//#include <SDL/SDL.h>
+
+/**
+ * A generic reference counted resource object.
+ */
+class Resource
+{
+ public:
+ /**
+ * Constructor
+ */
+ Resource();
+
+ /**
+ * Frees this objects internal resources.
+ */
+ virtual void unload() = 0;
+
+ /**
+ * Indicates whether or not a resource is loaded.
+ * @return <code>true</code> if resource is loaded
+ * <code>false</code> otherwise.
+ */
+ virtual bool isLoaded() const;
+
+ /**
+ * Increments the internal reference count.
+ */
+ void incRef();
+
+ /**
+ * Decrements the reference count and deletes the object
+ * if no references are left.
+ * @return <code>true</code> if the object was deleted
+ * <code>false</code> otherwise.
+ */
+ bool decRef();
+
+ protected:
+ bool loaded;
+
+ private:
+ unsigned int referenceCount;
+};
+
+#endif
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;
+ }
+}
diff --git a/src/resources/resourcemanager.h b/src/resources/resourcemanager.h
new file mode 100644
index 00000000..f7b7ab2a
--- /dev/null
+++ b/src/resources/resourcemanager.h
@@ -0,0 +1,106 @@
+/*
+ * 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
+ *
+ * $Id$
+ */
+
+#ifndef _TMW_RESOURCE_MANAGER_H
+#define _TMW_RESOURCE_MANAGER_H
+
+#include <map>
+#include <string>
+#include "resource.h"
+
+/**
+ * A resource entry descriptor.
+ */
+struct ResourceEntry
+{
+ ResourceEntry();
+
+ Resource* resource;
+ std::string filePath;
+};
+
+/**
+ * A class for loading and managing resources.
+ */
+class ResourceManager
+{
+ public:
+ /**
+ * An enumeration of resource types.
+ */
+ enum E_RESOURCE_TYPE
+ {
+ MAP,
+ MUSIC,
+ IMAGE,
+ SCRIPT,
+ TILESET,
+ SOUND_EFFECT
+ };
+
+ /**
+ * Constructor.
+ */
+ ResourceManager();
+
+ /**
+ * Destructor.
+ */
+ ~ResourceManager();
+
+ /**
+ * Creates a resource and adds it to the resource map. The idPath is
+ * converted into the appropriate path for the current operating system
+ * and the resource is loaded.
+ *
+ * @param type The type of resource to load.
+ * @param idPath The resource identifier path.
+ * @return A valid resource or <code>NULL</code> if the resource could
+ * not be loaded.
+ */
+ Resource *create(
+ const E_RESOURCE_TYPE &type,
+ const std::string &idPath);
+
+ /**
+ * Convenience wrapper around ResourceManager::create.
+ */
+ Image *createImage(const std::string &idPath);
+
+ /**
+ * Returns an instance of the class, creating one if it does not
+ * already exist.
+ */
+ static ResourceManager *getInstance();
+
+ /**
+ * Deletes the class instance if it exists.
+ */
+ static void deleteInstance();
+
+ private:
+ static ResourceManager *instance;
+ std::map<std::string, ResourceEntry> resources;
+};
+
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-26 06:55:39 +0000