Move dyepalatte into separate file.

1 files changed, 400 insertions, 0 deletions

diff --git a/src/resources/dyepalette.cpp b/src/resources/dyepalette.cpp
new file mode 100644
index 000000000..ab1e2c2f2
--- /dev/null
+++ b/src/resources/dyepalette.cpp
@@ -0,0 +1,400 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2007-2009  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/>.
+ */
+
+#include "resources/dyepalette.h"
+
+#include "logger.h"
+
+#include "resources/db/palettedb.h"
+
+#include <cmath>
+#include <sstream>
+
+#include <SDL_endian.h>
+
+#include "debug.h"
+
+DyePalette::DyePalette(const std::string &description,
+                       const uint8_t blockSize) :
+    mColors()
+{
+    const size_t size = static_cast<size_t>(description.length());
+    if (size == 0)
+        return;
+
+    if (description[0] == '#')
+    {
+        size_t pos = 1;
+        for ( ; ; )
+        {
+            if (pos + blockSize > size)
+                break;
+
+            DyeColor color(0, 0, 0, 0);
+
+            for (size_t i = 0, colorIdx = 0; i < blockSize && colorIdx < 4;
+                 i += 2, colorIdx ++)
+            {
+                color.value[colorIdx] = static_cast<unsigned char>((
+                    hexDecode(description[pos + i]) << 4)
+                    + hexDecode(description[pos + i + 1]));
+            }
+            mColors.push_back(color);
+            pos += blockSize;
+
+            if (pos == size)
+                return;
+            if (description[pos] != ',')
+                break;
+
+            ++pos;
+        }
+    }
+    else if (description[0] == '@')
+    {
+        size_t pos = 1;
+        for ( ; pos < size ; )
+        {
+            const size_t idx = description.find(',', pos);
+            if (idx == std::string::npos)
+                return;
+            if (idx == pos)
+                break;
+            mColors.push_back(PaletteDB::getColor(
+                description.substr(pos, idx - pos)));
+            pos = idx + 1;
+        }
+    }
+
+    logger->log("Error, invalid embedded palette: %s", description.c_str());
+}
+
+unsigned int DyePalette::hexDecode(const signed char c)
+{
+    if ('0' <= c && c <= '9')
+        return c - '0';
+    else if ('A' <= c && c <= 'F')
+        return c - 'A' + 10;
+    else if ('a' <= c && c <= 'f')
+        return c - 'a' + 10;
+    else
+        return 0;
+}
+
+void DyePalette::getColor(const int intensity, int color[3]) const
+{
+    if (intensity == 0)
+    {
+        color[0] = 0;
+        color[1] = 0;
+        color[2] = 0;
+        return;
+    }
+
+    const int last = static_cast<int>(mColors.size());
+    if (last == 0)
+        return;
+
+    const int intLast = intensity * last;
+    const int i = intLast / 255;
+    const int t = intLast % 255;
+
+    int j = t != 0 ? i : i - 1;
+
+    if (j >= last)
+        j = 0;
+
+    // Get the exact color if any, the next color otherwise.
+    const int r2 = mColors[j].value[0];
+    const int g2 = mColors[j].value[1];
+    const int 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 && i < last + 1)
+    {
+        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.empty())
+        return;
+
+    // Force range
+    if (intensity > 1.0)
+        intensity = 1.0;
+    else if (intensity < 0.0)
+        intensity = 0.0;
+
+    // Scale up
+    intensity *= static_cast<double>(mColors.size() - 1);
+
+    // Color indices
+    const int i = static_cast<int>(floor(intensity));
+    const int j = static_cast<int>(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;
+    const double rest = 1 - intensity;
+
+    // Get the colors
+    const int r1 = mColors[i].value[0];
+    const int g1 = mColors[i].value[1];
+    const int b1 = mColors[i].value[2];
+    const int r2 = mColors[j].value[0];
+    const int g2 = mColors[j].value[1];
+    const int b2 = mColors[j].value[2];
+
+    // Perform the interpolation.
+    color[0] = static_cast<int>(rest * r1 + intensity * r2);
+    color[1] = static_cast<int>(rest * g1 + intensity * g2);
+    color[2] = static_cast<int>(rest * b1 + intensity * b2);
+}
+
+void DyePalette::replaceSColor(uint32_t *restrict pixels,
+                               const int bufSize) const
+{
+    std::vector<DyeColor>::const_iterator it_end = mColors.end();
+    const size_t sz = mColors.size();
+    if (!sz)
+        return;
+    if (sz % 2)
+        -- it_end;
+
+    for (uint32_t *p_end = pixels + static_cast<size_t>(bufSize);
+         pixels != p_end;
+         ++pixels)
+    {
+        uint8_t *const p = reinterpret_cast<uint8_t *>(pixels);
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+        const int alpha = *pixels & 0xff000000;
+        const unsigned int data = (*pixels) & 0x00ffffff;
+#else
+        const int alpha = *p & 0xff;
+        const unsigned int data = (*pixels) & 0xffffff00;
+#endif
+//        logger->log("c:%04d   %08x", c, *pixels);
+//        logger->log("data:    %08x", data);
+        if (!alpha)
+        {
+//            logger->log("skip:    %08x", *pixels);
+            continue;
+        }
+
+        std::vector<DyeColor>::const_iterator it = mColors.begin();
+        while (it != it_end)
+        {
+            const DyeColor &col = *it;
+            ++ it;
+            const DyeColor &col2 = *it;
+
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+            const unsigned int coldata = (col.value[2] << 16)
+                | (col.value[1] << 8) | (col.value[0]);
+#else
+            const unsigned int coldata = (col.value[2] << 8)
+                | (col.value[1] << 16) | (col.value[0] << 24);
+#endif
+//            logger->log("coldata: %08x", coldata);
+            if (data == coldata)
+            {
+//                logger->log("correct");
+                p[3] = col2.value[0];
+                p[2] = col2.value[1];
+                p[1] = col2.value[2];
+                break;
+            }
+
+            ++ it;
+        }
+    }
+}
+
+void DyePalette::replaceAColor(uint32_t *restrict pixels,
+                               const int bufSize) const
+{
+    std::vector<DyeColor>::const_iterator it_end = mColors.end();
+    const size_t sz = mColors.size();
+    if (!sz)
+        return;
+    if (sz % 2)
+        -- it_end;
+
+    for (uint32_t *p_end = pixels + static_cast<size_t>(bufSize);
+         pixels != p_end;
+         ++pixels)
+    {
+        uint8_t *const p = reinterpret_cast<uint8_t *>(pixels);
+        const unsigned int data = *pixels;
+
+        std::vector<DyeColor>::const_iterator it = mColors.begin();
+        while (it != it_end)
+        {
+            const DyeColor &col = *it;
+            ++ it;
+            const DyeColor &col2 = *it;
+
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+            const unsigned int coldata = (col.value[3] << 24)
+                | (col.value[2] << 16) | (col.value[1] << 8) | (col.value[0]);
+#else
+            const unsigned int coldata = (col.value[3]) | (col.value[2] << 8)
+                | (col.value[1] << 16) | (col.value[0] << 24);
+#endif
+
+            if (data == coldata)
+            {
+                p[3] = col2.value[0];
+                p[2] = col2.value[1];
+                p[1] = col2.value[2];
+                p[0] = col2.value[3];
+                break;
+            }
+
+            ++ it;
+        }
+    }
+}
+
+void DyePalette::replaceSOGLColor(uint32_t *restrict pixels,
+                                  const int bufSize) const
+{
+    std::vector<DyeColor>::const_iterator it_end = mColors.end();
+    const size_t sz = mColors.size();
+    if (!sz)
+        return;
+    if (sz % 2)
+        -- it_end;
+
+    for (uint32_t *p_end = pixels + static_cast<size_t>(bufSize);
+         pixels != p_end;
+         ++pixels)
+    {
+        uint8_t *const p = reinterpret_cast<uint8_t *>(pixels);
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+        const int alpha = *p & 0xff;
+        const unsigned int data = (*pixels) & 0xffffff00;
+#else
+        const int alpha = *pixels & 0xff000000;
+        const unsigned int data = (*pixels) & 0x00ffffff;
+#endif
+        if (!alpha)
+            continue;
+
+        std::vector<DyeColor>::const_iterator it = mColors.begin();
+        while (it != it_end)
+        {
+            const DyeColor &col = *it;
+            ++ it;
+            const DyeColor &col2 = *it;
+
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+            const unsigned int coldata = (col.value[0] << 24)
+                | (col.value[1] << 16) | (col.value[2] << 8);
+#else
+            const unsigned int coldata = (col.value[0])
+                | (col.value[1] << 8) | (col.value[2] << 16);
+#endif
+            if (data == coldata)
+            {
+                p[0] = col2.value[0];
+                p[1] = col2.value[1];
+                p[2] = col2.value[2];
+                break;
+            }
+
+            ++ it;
+        }
+    }
+}
+
+void DyePalette::replaceAOGLColor(uint32_t *restrict pixels,
+                                  const int bufSize) const
+{
+    std::vector<DyeColor>::const_iterator it_end = mColors.end();
+    const size_t sz = mColors.size();
+    if (!sz)
+        return;
+    if (sz % 2)
+        -- it_end;
+
+    for (uint32_t *p_end = pixels + static_cast<size_t>(bufSize);
+         pixels != p_end;
+         ++pixels)
+    {
+        uint8_t *const p = reinterpret_cast<uint8_t *>(pixels);
+        const unsigned int data = *pixels;
+
+        std::vector<DyeColor>::const_iterator it = mColors.begin();
+        while (it != it_end)
+        {
+            const DyeColor &col = *it;
+            ++ it;
+            const DyeColor &col2 = *it;
+
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+            const unsigned int coldata = (col.value[0] << 24)
+                | (col.value[1] << 16) | (col.value[2] << 8) | col.value[3];
+#else
+            const unsigned int coldata = (col.value[0]) | (col.value[1] << 8)
+                | (col.value[2] << 16) | (col.value[3] << 24);
+#endif
+            if (data == coldata)
+            {
+                p[0] = col2.value[0];
+                p[1] = col2.value[1];
+                p[2] = col2.value[2];
+                p[3] = col2.value[3];
+                break;
+            }
+
+            ++ it;
+        }
+    }
+}