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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
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