1 files changed, 59 insertions, 0 deletions
diff --git a/src/resources/ambientlayer.h b/src/resources/ambientlayer.h
new file mode 100644
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--- /dev/null
+++ b/src/resources/ambientlayer.h
@@ -0,0 +1,59 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *
+ *  This file is part of The Mana 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 RESOURCES_AMBIENTOVERLAY_H
+#define RESOURCES_AMBIENTOVERLAY_H
+
+class Graphics;
+class Image;
+
+class AmbientLayer
+{
+    public:
+        /**
+         * Constructor.
+         *
+         * @param img       the image this overlay displays
+         * @param parallax  scroll factor based on camera position
+         * @param speedX    scrolling speed in x-direction
+         * @param speedY    scrolling speed in y-direction
+         * @param keepRatio  rescale the image to keep
+         * the same ratio than in 800x600 resolution mode.
+         */
+        AmbientLayer(Image *img, float parallax,
+                     float speedX, float speedY, bool keepRatio = false);
+
+        ~AmbientLayer();
+
+        void update(int timePassed, float dx, float dy);
+
+        void draw(Graphics *graphics, int x, int y);
+
+    private:
+        Image *mImage;
+        float mParallax;
+        float mPosX;             /**< Current layer X position. */
+        float mPosY;             /**< Current layer Y position. */
+        float mSpeedX;           /**< Scrolling speed in X direction. */
+        float mSpeedY;           /**< Scrolling speed in Y direction. */
+        bool mKeepRatio;         /**< Keep overlay ratio on every resolution */
+};
+
+#endif