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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
* Copyright (C) 2011-2014 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 GUI_PALETTE_H
#define GUI_PALETTE_H
#include "logger.h"
#include <guichan/color.hpp>
#if defined __native_client__
#include <stdlib.h>
#else
#include <cstdlib>
#endif
#include <map>
#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
};
A_DELETE_COPY(Palette)
/**
* 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 &getCharColor(const signed char c,
bool &valid) const A_WARN_UNUSED;
int getIdByChar(const signed char c, bool &valid) const A_WARN_UNUSED;
/**
* 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,
const int alpha = 255) A_WARN_UNUSED
{
if (type >= static_cast<signed>(mColors.size()) || type < 0)
{
logger->log("incorrect color request type: %d from %u",
type, static_cast<unsigned int>(mColors.size()));
type = 0;
}
gcn::Color* col = &mColors[type].color;
col->a = alpha;
return *col;
}
inline const gcn::Color &getColorWithAlpha(const int type)
A_WARN_UNUSED
{
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 A_WARN_UNUSED
{ 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(const int type) const A_WARN_UNUSED
{ 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(const int type) const A_WARN_UNUSED
{ return mColors[type].delay; }
/**
* Updates all colors, that are non-static.
*/
static void advanceGradients();
protected:
/** Colors used for the rainbow gradient */
static const gcn::Color RAINBOW_COLORS[7];
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
*/
explicit Palette(const int size);
/**
* Destructor
*/
virtual ~Palette();
void advanceGradient();
struct ColorElem
{
ColorElem() :
type(0),
color(0),
testColor(0),
committedColor(0),
text(),
ch(0),
grad(STATIC),
committedGrad(STATIC),
gradientIndex(0),
delay(0),
committedDelay(0)
{
}
int type;
gcn::Color color;
gcn::Color testColor;
gcn::Color committedColor;
std::string text;
signed char ch;
GradientType grad;
GradientType committedGrad;
int gradientIndex;
int delay;
int committedDelay;
void set(const int type0, const gcn::Color &color0,
const GradientType grad0, const int delay0)
{
type = type0;
color = color0;
testColor = color0;
grad = grad0;
delay = delay0;
gradientIndex = rand();
}
inline int getRGB() const A_WARN_UNUSED
{
return (committedColor.r << 16) | (committedColor.g << 8) |
committedColor.b;
}
};
typedef std::vector<ColorElem> Colors;
typedef std::map<unsigned char, int> CharColors;
Colors mColors;
CharColors mCharColors;
std::vector<ColorElem*> mGradVector;
};
#endif // GUI_PALETTE_H
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