From 3eeae12c498d1a4dbe969462d2ba841f77ee3ccb Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Sun, 2 Jan 2011 01:48:38 +0200 Subject: Initial commit. This code based on mana client http://www.gitorious.org/mana/mana and my private repository. --- src/resources/dye.cpp | 320 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 320 insertions(+) create mode 100644 src/resources/dye.cpp (limited to 'src/resources/dye.cpp') diff --git a/src/resources/dye.cpp b/src/resources/dye.cpp new file mode 100644 index 000000000..6f9609453 --- /dev/null +++ b/src/resources/dye.cpp @@ -0,0 +1,320 @@ +/* + * The Mana Client + * Copyright (C) 2007-2009 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 . + */ + +#include "resources/dye.h" + +#include "log.h" + +#include +#include + +DyePalette::DyePalette(const std::string &description) +{ + int size = static_cast(description.length()); + if (size == 0) + return; + if (description[0] != '#') + { + // TODO: load palette from file. + return; + } + + int pos = 1; + for ( ; ; ) + { + if (pos + 6 > size) + break; + + int v = 0; + for (int i = 0; i < 6; ++i) + { + char c = description[pos + i]; + int n; + + if ('0' <= c && c <= '9') + n = c - '0'; + else if ('A' <= c && c <= 'F') + n = c - 'A' + 10; + else if ('a' <= c && c <= 'f') + n = c - 'a' + 10; + else + goto error; + + v = (v << 4) | n; + } + Color c = + { + { + static_cast(v >> 16), + static_cast(v >> 8), + static_cast(v) + } + }; + mColors.push_back(c); + pos += 6; + + if (pos == size) + return; + if (description[pos] != ',') + break; + + ++pos; + } + + error: + logger->log("Error, invalid embedded palette: %s", description.c_str()); +} + +/* +void DyePalette::addFirstColor(const int color[3]) +{ + Color c = { {color[0], color[1], color[2]} }; + mColors.insert(mColors.begin(), c); +} + +void DyePalette::addLastColor(const int color[3]) +{ + Color c = { {color[0], color[1], color[2]} }; + mColors.push_back(c); +} +*/ + +void DyePalette::getColor(int intensity, int color[3]) const +{ + if (intensity == 0) + { + color[0] = 0; + color[1] = 0; + color[2] = 0; + return; + } + + int last = static_cast(mColors.size()); + if (last == 0) return; + + int i = intensity * last / 255; + int t = intensity * last % 255; + + int j = t != 0 ? i : i - 1; + + if (j >= last) + j = 0; + + // Get the exact color if any, the next color otherwise. + int r2 = mColors[j].value[0], + g2 = mColors[j].value[1], + b2 = mColors[j].value[2]; + + if (t == 0) + { + // Exact color. + color[0] = r2; + color[1] = g2; + color[2] = b2; + return; + } + + // Get the previous color. First color is implicitly black. + int r1 = 0, g1 = 0, b1 = 0; + if (i > 0) + { + r1 = mColors[i - 1].value[0]; + g1 = mColors[i - 1].value[1]; + b1 = mColors[i - 1].value[2]; + } + + // Perform a linear interpolation. + color[0] = ((255 - t) * r1 + t * r2) / 255; + color[1] = ((255 - t) * g1 + t * g2) / 255; + color[2] = ((255 - t) * b1 + t * b2) / 255; +} + +void DyePalette::getColor(double intensity, int color[3]) const +{ + // Nothing to do here + if (mColors.size() == 0) + return; + + // Force range + if (intensity > 1.0) + intensity = 1.0; + else if (intensity < 0.0) + intensity = 0.0; + + // Scale up + intensity = intensity * static_cast(mColors.size() - 1); + + // Color indices + int i = static_cast(floor(intensity)); + int j = static_cast(ceil(intensity)); + + if (i == j) + { + // Exact color. + color[0] = mColors[i].value[0]; + color[1] = mColors[i].value[1]; + color[2] = mColors[i].value[2]; + return; + } + + intensity -= i; + double rest = 1 - intensity; + + // Get the colors + int r1 = mColors[i].value[0], + g1 = mColors[i].value[1], + b1 = mColors[i].value[2], + r2 = mColors[j].value[0], + g2 = mColors[j].value[1], + b2 = mColors[j].value[2]; + + // Perform the interpolation. + color[0] = static_cast(rest * r1 + intensity * r2); + color[1] = static_cast(rest * g1 + intensity * g2); + color[2] = static_cast(rest * b1 + intensity * b2); +} + +Dye::Dye(const std::string &description) +{ + for (int i = 0; i < 7; ++i) + mDyePalettes[i] = 0; + + if (description.empty()) + return; + + std::string::size_type next_pos = 0, length = description.length(); + do + { + std::string::size_type pos = next_pos; + next_pos = description.find(';', pos); + + if (next_pos == std::string::npos) + next_pos = length; + + if (next_pos <= pos + 3 || description[pos + 1] != ':') + { + logger->log("Error, invalid dye: %s", description.c_str()); + return; + } + + int i = 0; + + switch (description[pos]) + { + case 'R': i = 0; break; + case 'G': i = 1; break; + case 'Y': i = 2; break; + case 'B': i = 3; break; + case 'M': i = 4; break; + case 'C': i = 5; break; + case 'W': i = 6; break; + default: + logger->log("Error, invalid dye: %s", description.c_str()); + return; + } + mDyePalettes[i] = new DyePalette(description.substr( + pos + 2, next_pos - pos - 2)); + ++next_pos; + } + while (next_pos < length); +} + +Dye::~Dye() +{ + for (int i = 0; i < 7; ++i) + { + delete mDyePalettes[i]; + mDyePalettes[i] = 0; + } +} + +void Dye::update(int color[3]) const +{ + int cmax = std::max(color[0], std::max(color[1], color[2])); + if (cmax == 0) + return; + + int cmin = std::min(color[0], std::min(color[1], color[2])); + int intensity = color[0] + color[1] + color[2]; + + if (cmin != cmax && + (cmin != 0 || (intensity != cmax && intensity != 2 * cmax))) + { + // not pure + return; + } + + int i = (color[0] != 0) | ((color[1] != 0) << 1) | ((color[2] != 0) << 2); + + if (mDyePalettes[i - 1]) + mDyePalettes[i - 1]->getColor(cmax, color); +} + +void Dye::instantiate(std::string &target, const std::string &palettes) +{ + std::string::size_type next_pos = target.find('|'); + + if (next_pos == std::string::npos || palettes.empty()) + return; + + ++next_pos; + + std::ostringstream s; + s << target.substr(0, next_pos); + std::string::size_type last_pos = target.length(), pal_pos = 0; + do + { + std::string::size_type pos = next_pos; + next_pos = target.find(';', pos); + + if (next_pos == std::string::npos) + next_pos = last_pos; + + if (next_pos == pos + 1 && pal_pos != std::string::npos) + { + std::string::size_type pal_next_pos = palettes.find(';', pal_pos); + s << target[pos] << ':'; + if (pal_next_pos == std::string::npos) + { + s << palettes.substr(pal_pos); + s << target.substr(next_pos); + pal_pos = std::string::npos; + break; + } + s << palettes.substr(pal_pos, pal_next_pos - pal_pos); + pal_pos = pal_next_pos + 1; + } + else if (next_pos > pos + 2) + { + s << target.substr(pos, next_pos - pos); + } + else + { + logger->log("Error, invalid dye placeholder: %s", target.c_str()); + return; + } + s << target[next_pos]; + ++next_pos; + } + while (next_pos < last_pos); + + target = s.str(); +} -- cgit v1.2.3-60-g2f50