/* * 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> #include "debug.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; } }