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@ -21,6 +21,8 @@
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#include "nel/misc/path.h"
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#include "nel/misc/path.h"
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#include "nel/misc/cmd_args.h"
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#include "nel/misc/cmd_args.h"
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#include "nel/misc/vector_2d.h"
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#include "nel/misc/vector_2d.h"
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#include "nel/misc/uv.h"
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#include "nel/misc/algo.h"
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struct CPoint
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struct CPoint
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{
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{
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@ -42,11 +44,19 @@ const CPoint Down(0, 1);
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const CPoint Left(-1, 0);
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const CPoint Left(-1, 0);
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const CPoint Right(1, 0);
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const CPoint Right(1, 0);
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const uint TextureSize = 4096;
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const NLMISC::CRGBA DiscardColor = NLMISC::CRGBA::Red;
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const NLMISC::CRGBA DiscardColor = NLMISC::CRGBA::Red;
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const NLMISC::CRGBA KeepColor = NLMISC::CRGBA::Blue;
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const NLMISC::CRGBA KeepColor = NLMISC::CRGBA::Blue;
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typedef std::vector<CPoint> CPoints;
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typedef std::vector<CPoint> CPoints;
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struct CFace
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{
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static const uint INDICES_COUNT = 3;
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uint indices[INDICES_COUNT];
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};
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bool fillPoint(NLMISC::CBitmap &bitmap, sint width, CPoints &points)
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bool fillPoint(NLMISC::CBitmap &bitmap, sint width, CPoints &points)
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{
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{
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if (points.empty()) return false;
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if (points.empty()) return false;
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@ -101,6 +111,7 @@ int main(int argc, char **argv)
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args.setDescription("Textures tool");
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args.setDescription("Textures tool");
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args.addArg("c", "colorize", "color", "Colorize textures using a color (in HTML hexdecimal format like #rrggbb)");
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args.addArg("c", "colorize", "color", "Colorize textures using a color (in HTML hexdecimal format like #rrggbb)");
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args.addArg("f", "fill", "color or image", "Fill background part with color or image");
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args.addArg("f", "fill", "color or image", "Fill background part with color or image");
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args.addArg("u", "uvmap", "", "Generate a UV Map texture from OBJ file");
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args.addArg("w", "width", "width of border", "Width of the border to fill (default 0)");
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args.addArg("w", "width", "width of border", "Width of the border to fill (default 0)");
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args.addArg("b", "background", "background color", "Color to use to fill background");
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args.addArg("b", "background", "background color", "Color to use to fill background");
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args.addArg("o", "output", "filename", "Output filename");
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args.addArg("o", "output", "filename", "Output filename");
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@ -265,5 +276,129 @@ int main(int argc, char **argv)
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}
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}
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}
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}
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if (args.haveArg("u"))
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{
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std::vector<NLMISC::CUV> verticeTextureCoords;
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std::vector<CFace> faces;
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NLMISC::CIFile objFile;
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if (!objFile.open(filename))
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{
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nlwarning("Unable to open %s", filename.c_str());
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return 1;
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}
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char buffer[1024];
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while (!objFile.eof())
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{
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objFile.getline(buffer, 1024);
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buffer[1023] = '\0';
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std::string line(buffer);
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if (line.size() < 3) continue;
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// texture coordinate
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if (line.substr(0, 3) == "vt ")
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{
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std::vector<std::string> tokens;
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NLMISC::explode(line, std::string(" "), tokens);
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if (tokens.size() == 3)
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{
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float u, v;
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NLMISC::fromString(tokens[1], u);
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NLMISC::fromString(tokens[2], v);
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verticeTextureCoords.push_back(NLMISC::CUV(u * (float)TextureSize, v * (float)TextureSize));
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}
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else
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{
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nlwarning("Not 3 arguments for VT");
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}
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}
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else if (line.substr(0, 2) == "f ")
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{
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std::vector<std::string> tokens;
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NLMISC::explode(line, std::string(" "), tokens);
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if (tokens.size() == 4)
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{
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CFace face;
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for (uint i = 1; i < 4; ++i)
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{
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std::vector<std::string> tokens2;
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NLMISC::explode(tokens[i], std::string("/"), tokens2);
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if (tokens2.size() == 3)
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{
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NLMISC::fromString(tokens2[1], face.indices[i - 1]);
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// we want indices start from 0 instead of 1
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--face.indices[i - 1];
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}
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else
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{
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nlwarning("Not 3 arguments for indices");
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}
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}
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faces.push_back(face);
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}
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else
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{
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nlwarning("Not 4 arguments for F");
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}
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}
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}
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nlinfo("OBJ file processed with %u vertices and %u faces", (uint)verticeTextureCoords.size(), (uint)faces.size());
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objFile.close();
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// draw UV Map
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// create a new bitmap for output
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NLMISC::CBitmap outBitmap;
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outBitmap.resize(TextureSize, TextureSize);
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// white background
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memset(&outBitmap.getPixels()[0], 255, TextureSize * TextureSize * 4);
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// process all faces
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for (uint i = 0, len = faces.size(); i < len; ++i)
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{
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const CFace &face = faces[i];
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// the 3 pixels of a vertice
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NLMISC::CUV uv0 = verticeTextureCoords[face.indices[0]];
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NLMISC::CUV uv1 = verticeTextureCoords[face.indices[1]];
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NLMISC::CUV uv2 = verticeTextureCoords[face.indices[2]];
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std::vector<std::pair<sint, sint> > pixels;
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// draw the triangle with vertices UV coordinates
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NLMISC::drawLine(uv0.U, uv0.V, uv1.U, uv1.V, pixels);
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NLMISC::drawLine(uv1.U, uv1.V, uv2.U, uv2.V, pixels);
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NLMISC::drawLine(uv2.U, uv2.V, uv0.U, uv0.V, pixels);
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// for each pixels, set them to black
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for (uint j = 0, jlen = pixels.size(); j < jlen; ++j)
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{
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outBitmap.setPixelColor(pixels[j].first, pixels[j].second, NLMISC::CRGBA::Black);
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}
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}
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// save output bitmap
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NLMISC::COFile outFile;
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if (outFile.open(output))
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{
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outBitmap.writePNG(outFile, 24);
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}
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}
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return 0;
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return 0;
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}
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}
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