source: cpp/frams/_demos/resize_f0.cpp

// This file is a part of Framsticks SDK.  http://www.framsticks.com/
// Copyright (C) 1999-2020  Maciej Komosinski and Szymon Ulatowski.
// See LICENSE.txt for details.

#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <common/virtfile/stdiofile.h>

#include <frams/model/model.h>
#include <common/loggers/loggertostdout.h>
#include <frams/genetics/preconfigured.h>

/**
 @file
 Sample code: Resize f0 geometry
 Usage: resize_f0 scale [genotype_or_stdin]

 Examples:

 # make a big X(X,X) 
 ./shapeconvert -s3 "X(X,X)" | ./resize_f0 2 -

   //0s
   p:1.0, sh=2, sy=0.4000000059604645, sz=0.4000000059604645, rx=-1.5707963267948966, rz=3.141592653589793
   p:2.499997879272546, -0.8660266281835431, sh=2, sy=0.4000000059604645, sz=0.4000000059604645, rz=2.0943926535897934
   p:2.499997879272546, 0.8660266281835431, sh=2, sy=0.4000000059604645, sz=0.4000000059604645, rz=-2.0943926535897934
   j:0, 1, sh=1
   j:0, 2, sh=1

 # make a small quadruped
 ./loader_test data/walking.gen "Basic Quadruped" | ./shapeconvert -s3 - | ./resize_f0 0.5 -

   //0s
   p:0.25, sh=3, sx=0.25, sy=0.10000000149011612, sz=0.10000000149011612, rx=-1.5707963267948966, rz=3.141592653589793
   p:0.4999990816987242, -0.24999999999831343, sh=3, sx=0.24999999999999997, sy=0.10000000149011612, sz=0.10000000149011612, rz=1.5707926535897934
   p:0.3468893514573017, -0.6249989074155372, -0.1530782964706476, sh=3, sx=0.24999999999999997, sy=0.10000000149011612, sz=0.10000000149011612, rx=1.1072319391268979, 0.6589830922573491, 0.68466467448983
   p:0.75, sh=3, sx=0.25, sy=0.10000000149011612, sz=0.10000000149011612, rx=-1.5707963267948966, rz=3.141592653589793
   p:0.9999990816987241, -0.24999999999831343, sh=3, sx=0.24999999999999997, sy=0.10000000149011612, sz=0.10000000149011612, rz=1.5707926535897931
   p:1.153106057040214, -0.6250000322123028, -0.1530782964706476, sh=3, sx=0.24999999999999994, sy=0.10000000149011612, sz=0.10000000149011612, rx=-1.1072259414054058, 0.6589830922573492, 2.4569206326897564
   p:0.9999990816987241, 0.24999999999831343, sh=3, sx=0.24999999999999997, sy=0.10000000149011612, sz=0.10000000149011612, rz=-1.5707926535897931
   p:1.153106057040214, 0.6250000322123028, -0.1530782964706476, sh=3, sx=0.24999999999999994, sy=0.10000000149011612, sz=0.10000000149011612, rx=-2.0343667121843874, 0.6589830922573492, -2.4569206326897564
   p:0.4999990816987242, 0.24999999999831343, sh=3, sx=0.24999999999999997, sy=0.10000000149011612, sz=0.10000000149011612, rz=-1.5707926535897934
   p:0.3468893514573017, 0.6249989074155372, -0.1530782964706476, sh=3, sx=0.24999999999999997, sy=0.10000000149011612, sz=0.10000000149011612, rx=2.0343607144628955, 0.6589830922573491, -0.68466467448983
   j:0, 1, sh=1
   j:0, 3, sh=1
   j:0, 8, sh=1
   j:1, 2, sh=1
   j:3, 4, sh=1
   j:3, 6, sh=1
   j:4, 5, sh=1
   j:6, 7, sh=1
   j:8, 9, sh=1

*/

int main(int argc, char*argv[])
{
        StdioFILE::setStdio(); //setup VirtFILE::Vstdin/out/err
        LoggerToStdout messages_to_stderr(LoggerBase::Enable | LoggerBase::DontBlock, VirtFILE::Vstderr); //errors -> stderr, don't interfere with stdout

        PreconfiguredGenetics genetics;

        if (argc<2)
        {
                printf("Usage: %s scale [genotype_or_stdin]\n", argv[0]);
                return 1;
        }

        double scale = atof(argv[1]);   
        SString gen;
        if ((argc>=3) && (strcmp(argv[2],"-")!=0))
                gen = argv[2];
        else
                loadSString(VirtFILE::Vstdin, gen);
        Geno g(gen);
        Model m(g, Model::SHAPETYPE_UNKNOWN);

        if (!m.isValid())
        {
                logPrintf(argv[0], "main", LOG_ERROR, "Cannot build Model from the supplied genotype.\n");
                return 2;
        }

        m.open();
        for (int i = 0; i < m.getPartCount(); i++)
        {
                auto *p = m.getPart(i);
                p->p *= scale;
                if (m.getShapeType()==Model::SHAPETYPE_SOLIDS)
                        p->scale *= scale;
        }
        for (int i = 0; i < m.getJointCount(); i++)
        {
                auto *j = m.getJoint(i);
                if (j->isDelta())
                        j->d *= scale;
        }
        m.close();

        puts(m.getF0Geno().getGenesAndFormat().c_str());

        return 0;
}