add atlas textures support.

1 files changed, 104 insertions, 0 deletions

diff --git a/src/resources/atlasmanager.h b/src/resources/atlasmanager.h
new file mode 100644
index 000000000..41aae86e5
--- /dev/null
+++ b/src/resources/atlasmanager.h
@@ -0,0 +1,104 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2012  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program 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.
+ *
+ *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ATLASMANAGER_H
+#define ATLASMANAGER_H
+
+#ifdef USE_OPENGL
+
+#include "resources/image.h"
+
+#include "utils/stringvector.h"
+
+#include <SDL/SDL.h>
+
+class Resource;
+
+struct AtlasItem
+{
+    AtlasItem(Image *image0) :
+        image(image0),
+        x(0),
+        y(0),
+        width(image0->mBounds.w),
+        height(image0->mBounds.h)
+    {
+    }
+
+    Image *image;
+    std::string name;
+    int x;
+    int y;
+    int width;
+    int height;
+};
+
+struct TextureAtlas
+{
+    TextureAtlas() :
+        atlasImage(nullptr),
+        surface(nullptr),
+        width(0),
+        height(0)
+    {
+    }
+
+    std::string name;
+    Image *atlasImage;
+    SDL_Surface *surface;
+    int width;
+    int height;
+    std::vector <AtlasItem*> items;
+};
+
+class AtlasResource : public Resource
+{
+    public:
+        ~AtlasResource();
+
+        std::vector<TextureAtlas*> atlases;
+};
+
+class AtlasManager
+{
+    public:
+        AtlasManager();
+
+        static AtlasResource *loadTextureAtlas(const std::string &name,
+                                               const StringVect &files);
+
+        static void injectToResources(AtlasResource *resource);
+
+    private:
+        static void loadImages(const StringVect &files,
+                               std::vector<Image*> &images);
+
+        static void simpleSort(const std::string &name,
+                               std::vector<TextureAtlas*> &atlases,
+                               std::vector<Image*> &images, int size);
+
+        static SDL_Surface *createSDLAtlas(TextureAtlas *atlas);
+
+
+        static void convertAtlas(TextureAtlas *atlas);
+};
+
+#endif
+#endif