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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 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/>.
*/
#include "palette.h"
#include "configuration.h"
#include "client.h"
#include "gui/gui.h"
#include "utils/gettext.h"
#include "utils/mathutils.h"
#include "utils/stringutils.h"
#include <math.h>
const gcn::Color Palette::BLACK = gcn::Color(0, 0, 0);
Palette::Palettes Palette::mInstances;
const gcn::Color Palette::RAINBOW_COLORS[7] = {
gcn::Color(255, 0, 0),
gcn::Color(255, 153, 0),
gcn::Color(255, 255, 0),
gcn::Color(0, 153, 0),
gcn::Color(0, 204, 204),
gcn::Color(51, 0, 153),
gcn::Color(153, 0, 153)
};
/** Number of Elemets of RAINBOW_COLORS */
const int Palette::RAINBOW_COLOR_COUNT = 7;
Palette::Palette(int size) :
mRainbowTime(tick_time),
mColors(Colors(size))
{
mInstances.insert(this);
}
Palette::~Palette()
{
mInstances.erase(this);
}
const gcn::Color& Palette::getColor(char c, bool &valid)
{
for (Colors::const_iterator col = mColors.begin(),
colEnd = mColors.end(); col != colEnd; ++col)
{
if (col->ch == c)
{
valid = true;
return col->color;
}
}
valid = false;
return BLACK;
}
void Palette::advanceGradients()
{
Palettes::iterator it = mInstances.begin();
Palettes::iterator it_end = mInstances.end();
for (; it != it_end; ++it)
(*it)->advanceGradient();
}
void Palette::advanceGradient()
{
if (get_elapsed_time(mRainbowTime) > 5)
{
int pos, colIndex, colVal, delay, numOfColors;
// For slower systems, advance can be greater than one (advance > 1
// skips advance-1 steps). Should make gradient look the same
// independent of the framerate.
int advance = get_elapsed_time(mRainbowTime) / 5;
double startColVal, destColVal;
for (size_t i = 0; i < mGradVector.size(); i++)
{
if (!mGradVector[i])
continue;
delay = mGradVector[i]->delay;
if (mGradVector[i]->grad == PULSE)
delay = delay / 20;
numOfColors = (mGradVector[i]->grad == SPECTRUM ? 6 :
mGradVector[i]->grad == PULSE ? 127 :
RAINBOW_COLOR_COUNT);
mGradVector[i]->gradientIndex =
(mGradVector[i]->gradientIndex + advance) %
(delay * numOfColors);
pos = mGradVector[i]->gradientIndex % delay;
if (delay)
colIndex = mGradVector[i]->gradientIndex / delay;
else
colIndex = mGradVector[i]->gradientIndex;
if (mGradVector[i]->grad == PULSE)
{
colVal = static_cast<int>(255.0 *
sin(M_PI * colIndex / numOfColors));
const gcn::Color &col = mGradVector[i]->testColor;
mGradVector[i]->color.r =
((colVal * col.r) / 255) % (col.r + 1);
mGradVector[i]->color.g =
((colVal * col.g) / 255) % (col.g + 1);
mGradVector[i]->color.b =
((colVal * col.b) / 255) % (col.b + 1);
}
if (mGradVector[i]->grad == SPECTRUM)
{
if (colIndex % 2)
{ // falling curve
if (delay)
{
colVal = static_cast<int>(255.0 *
(cos(M_PI * pos / delay) + 1) / 2);
}
else
{
colVal = static_cast<int>(255.0 *
(cos(M_PI * pos) + 1) / 2);
}
}
else
{ // ascending curve
if (delay)
{
colVal = static_cast<int>(255.0 * (cos(M_PI *
(delay - pos) / delay) + 1) / 2);
}
else
{
colVal = static_cast<int>(255.0 * (cos(M_PI *
(delay - pos)) + 1) / 2);
}
}
mGradVector[i]->color.r =
(colIndex == 0 || colIndex == 5) ? 255 :
(colIndex == 1 || colIndex == 4) ? colVal : 0;
mGradVector[i]->color.g =
(colIndex == 1 || colIndex == 2) ? 255 :
(colIndex == 0 || colIndex == 3) ? colVal : 0;
mGradVector[i]->color.b =
(colIndex == 3 || colIndex == 4) ? 255 :
(colIndex == 2 || colIndex == 5) ? colVal : 0;
}
else if (mGradVector[i]->grad == RAINBOW)
{
const gcn::Color &startCol = RAINBOW_COLORS[colIndex];
const gcn::Color &destCol =
RAINBOW_COLORS[(colIndex + 1) % numOfColors];
if (delay)
startColVal = (cos(M_PI * pos / delay) + 1) / 2;
else
startColVal = 0;
destColVal = 1 - startColVal;
mGradVector[i]->color.r = static_cast<int>(startColVal
* startCol.r + destColVal * destCol.r);
mGradVector[i]->color.g = static_cast<int>(startColVal
* startCol.g + destColVal * destCol.g);
mGradVector[i]->color.b = static_cast<int>(startColVal
* startCol.b + destColVal * destCol.b);
}
}
if (advance)
mRainbowTime = tick_time;
}
}
/*
gcn::Color Palette::produceHPColor(int hp, int maxHp, int alpha)
{
float r1 = 255;
float g1 = 255;
float b1 = 255;
float r2 = 255;
float g2 = 255;
float b2 = 255;
float weight = 1.0f;
int thresholdLevel = maxHp / 4;
int thresholdProgress = hp % thresholdLevel;
if (thresholdLevel)
weight = 1 - ((float)thresholdProgress) / ((float)thresholdLevel);
else
weight = 0;
if (hp < (thresholdLevel))
{
gcn::Color color1 = guiPalette->getColor(Palette::HPBAR_ONE_HALF);
gcn::Color color2 = guiPalette->getColor(Palette::HPBAR_ONE_QUARTER);
r1 = color1.r; r2 = color2.r;
g1 = color1.g; g2 = color2.g;
b1 = color1.b; b2 = color2.b;
}
else if (hp < (thresholdLevel*2))
{
gcn::Color color1 = guiPalette->getColor(Palette::HPBAR_THREE_QUARTERS);
gcn::Color color2 = guiPalette->getColor(Palette::HPBAR_ONE_HALF);
r1 = color1.r; r2 = color2.r;
g1 = color1.g; g2 = color2.g;
b1 = color1.b; b2 = color2.b;
}
else if (hp < thresholdLevel*3)
{
gcn::Color color1 = guiPalette->getColor(Palette::HPBAR_FULL);
gcn::Color color2 = guiPalette->getColor(Palette::HPBAR_THREE_QUARTERS);
r1 = color1.r; r2 = color2.r;
g1 = color1.g; g2 = color2.g;
b1 = color1.b; b2 = color2.b;
}
else
{
gcn::Color color1 = guiPalette->getColor(Palette::HPBAR_FULL);
gcn::Color color2 = guiPalette->getColor(Palette::HPBAR_FULL);
r1 = color1.r; r2 = color2.r;
g1 = color1.g; g2 = color2.g;
b1 = color1.b; b2 = color2.b;
}
// Safety checks
if (weight > 1.0f) weight = 1.0f;
if (weight < 0.0f) weight = 0.0f;
// Do the color blend
r1 = (int) weightedAverage(r1, r2,weight);
g1 = (int) weightedAverage(g1, g2, weight);
b1 = (int) weightedAverage(b1, b2, weight);
// More safety checks
if (r1 > 255) r1 = 255;
if (g1 > 255) g1 = 255;
if (b1 > 255) b1 = 255;
return gcn::Color(r1, g1, b1, alpha);
}
*/
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