1 files changed, 191 insertions, 0 deletions
diff --git a/src/gui/palette.h b/src/gui/palette.h
new file mode 100644
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+++ b/src/gui/palette.h
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+/*
+ *  Configurable text colors
+ *  Copyright (C) 2008  Douglas Boffey <dougaboffey@netscape.net>
+ *  Copyright (C) 2009  The Mana World Development Team
+ *  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 PALETTE_H
+#define PALETTE_H
+
+#include "log.h"
+#include "utils/stringutils.h"
+
+#include <guichan/color.hpp>
+
+#include <cstdlib>
+#include <string>
+#include <set>
+#include <vector>
+
+// Default Gradient Delay
+#define GRADIENT_DELAY 40
+
+/**
+ * Class controlling the game's color palette.
+ */
+class Palette
+{
+    public:
+        /** Black Color Constant */
+        static const gcn::Color BLACK;
+
+        /** Colors can be static or can alter over time. */
+        enum GradientType
+        {
+            STATIC = 0,
+            PULSE,
+            SPECTRUM,
+            RAINBOW
+        };
+
+        /**
+         * Returns the color associated with a character, if it exists. Returns
+         * Palette::BLACK if the character is not found.
+         *
+         * @param c character requested
+         * @param valid indicate whether character is known
+         *
+         * @return the requested color or Palette::BLACK
+         */
+        const gcn::Color &getColor(char c, bool &valid);
+
+        /**
+         * Gets the color associated with the type. Sets the alpha channel
+         * before returning.
+         *
+         * @param type the color type requested
+         * @param alpha alpha channel to use
+         *
+         * @return the requested color
+         */
+        inline const gcn::Color &getColor(int type, int alpha = 255)
+        {
+            gcn::Color* col = &mColors[type].color;
+            col->a = alpha;
+            return *col;
+        }
+
+        inline const gcn::Color &getColorWithAlpha(int type)
+        {
+            gcn::Color* col = &mColors[type].color;
+            col->a = mColors[type].delay;
+            return *col;
+        }
+
+        /**
+         * Gets the GradientType associated with the specified type.
+         *
+         * @param type the color type of the color
+         *
+         * @return the gradient type of the color with the given index
+         */
+        inline GradientType getGradientType(int type) const
+        {
+            return mColors[type].grad;
+        }
+
+        /**
+         * Get the character used by the specified color.
+         *
+         * @param type the color type of the color
+         *
+         * @return the color char of the color with the given index
+         */
+        inline char getColorChar(int type) const
+        {
+            return mColors[type].ch;
+        }
+
+        /**
+         * Gets the gradient delay for the specified type.
+         *
+         * @param type the color type of the color
+         *
+         * @return the gradient delay of the color with the given index
+         */
+        inline int getGradientDelay(int type) const
+            { return mColors[type].delay; }
+
+        /**
+         * Updates all colors, that are non-static.
+         */
+        static void advanceGradients();
+
+        gcn::Color static produceHPColor(int hp, int maxHp, int alpha = 255);
+
+    protected:
+        /** Colors used for the rainbow gradient */
+        static const gcn::Color RAINBOW_COLORS[];
+        static const int RAINBOW_COLOR_COUNT;
+
+        /** Time tick, that gradient-type colors were updated the last time. */
+        int mRainbowTime;
+
+        typedef std::set<Palette*> Palettes;
+        static Palettes mInstances;
+
+        /**
+         * Constructor
+         */
+        Palette(int size);
+
+        /**
+         * Destructor
+         */
+        ~Palette();
+
+        void advanceGradient();
+
+        struct ColorElem
+        {
+            int type;
+            gcn::Color color;
+            gcn::Color testColor;
+            gcn::Color committedColor;
+            std::string text;
+            char ch;
+            GradientType grad;
+            GradientType committedGrad;
+            int gradientIndex;
+            int delay;
+            int committedDelay;
+
+            void set(int type, gcn::Color& color, GradientType grad, int delay)
+            {
+                ColorElem::type = type;
+                ColorElem::color = color;
+                ColorElem::testColor = color;
+                ColorElem::grad = grad;
+                ColorElem::delay = delay;
+                ColorElem::gradientIndex = rand();
+            }
+
+            inline int getRGB() const
+            {
+                return (committedColor.r << 16) | (committedColor.g << 8) |
+                        committedColor.b;
+            }
+        };
+        typedef std::vector<ColorElem> Colors;
+        /** Vector containing the colors. */
+        Colors mColors;
+        std::vector<ColorElem*> mGradVector;
+};
+
+#endif