source: cpp/frams/vm/classes/3dobject.cpp @ 151

// This file is a part of the Framsticks GDK.
// Copyright (C) 2002-2014  Maciej Komosinski and Szymon Ulatowski.  See LICENSE.txt for details.
// Refer to http://www.framsticks.com/ for further information.

#include <frams/util/3d.h>
#include "3dobject.h"
#include <frams/param/param.h>
#include "collectionobj.h"

ParamEntry* Pt3D_Ext::getStaticParamtab()
{
#define FIELDSTRUCT Pt3D_Ext
static ParamEntry paramtab[]=
{
{"XYZ",1,18,"XYZ","3D vector"},

{"x",0,PARAM_NOSTATIC,"x","f",FIELD(p.x),},
{"y",0,PARAM_NOSTATIC,"y","f",FIELD(p.y),},
{"z",0,PARAM_NOSTATIC,"z","f",FIELD(p.z),},
{"new",0,0,"create new XYZ object","p oXYZ(f x,f y,f z)",PROCEDURE(p_new),"3D vectors objects can be also created using the (x,y,z) notation, i.e. var v=(1,2,3) is the same as var v=XYZ.new(1,2,3);",},
{"newFromVector",0,0,"create new XYZ object","p oXYZ(oVector)",PROCEDURE(p_newFromVector),"used for deserialization"},
{"clone",0,PARAM_NOSTATIC,"create new XYZ object copying the coordinates","p oXYZ()",PROCEDURE(p_clone),"Note: copying object references does not create new objects. Use clone() if a new object is needed.\n\nExample:\nvar o1=(1,2,3), o2=o1, o3=o1.clone();\no1.y=9999;\n//o2 is now (1,9999,3) but o3 is still (1,2,3)",},
{"set",0,PARAM_NOSTATIC,"set (copy) coordinates from another XYZ object","p(oXYZ)",PROCEDURE(p_set),},
{"set3",0,PARAM_NOSTATIC,"set individual 3 coordinates","p(f x,f y,f z)",PROCEDURE(p_set3),},
{"add",0,PARAM_NOSTATIC,"add","p(oXYZ)",PROCEDURE(p_addvec),"Note: it does not return a new object, just modifies the existing one"},
{"sub",0,PARAM_NOSTATIC,"subtract","p(oXYZ)",PROCEDURE(p_subvec),"Note: it does not return a new object, just modifies the existing one"},
{"scale",0,PARAM_NOSTATIC,"multiply by scalar","p(f)",PROCEDURE(p_scale),},
{"length",0,PARAM_READONLY+PARAM_NOSTATIC,"length","f",GETONLY(length),},
{"normalize",0,PARAM_NOSTATIC,"normalize","p()",PROCEDURE(p_normalize),"scales the vector length to 1.0"},
{"toString",0,PARAM_READONLY+PARAM_NOSTATIC,"textual form","s",GETONLY(toString),},
{"toVector",0,PARAM_READONLY+PARAM_NOSTATIC,"vector of [x,y,z]","oVector",GETONLY(toVector),},
{"rotate",0,PARAM_NOSTATIC,"rotate using Orient object","p(oOrient)",PROCEDURE(p_rotate),},
{"revRotate",0,PARAM_NOSTATIC,"reverse rotate using Orient object","p(oOrient)",PROCEDURE(p_revrotate),},
{"get",0,PARAM_NOSTATIC,"get one of coordinates","p f(d index)",PROCEDURE(p_get),"this function makes the XYZ objects \"indexable\" (so you can use [] for accessing subsequent fields, like in Vector)",},
{0,0,0,},
};
#undef FIELDSTRUCT
return paramtab;
}

void Pt3D_Ext::p_new(ExtValue *args,ExtValue *ret)
{
*ret=makeDynamicObject(new Pt3D_Ext(args[2].getDouble(),args[1].getDouble(),args[0].getDouble()));
}

static double doubleFromVec(VectorObject *vec,int i)
{
if (i>=vec->data.size()) return 0;
ExtValue *v=(ExtValue*)vec->data.get(i);
if (v)
        return v->getDouble();
return 0;
}

static Pt3D pt3DFromVec(VectorObject* v,int offset=0)
{
return Pt3D(doubleFromVec(v,offset),doubleFromVec(v,offset+1),doubleFromVec(v,offset+2));
}

void Pt3D_Ext::p_newFromVector(ExtValue *args,ExtValue *ret)
{
VectorObject *vec=VectorObject::fromObject(args->getObject());
if (vec)
        *ret=makeDynamicObject(new Pt3D_Ext(pt3DFromVec(vec)));
else
        ret->setEmpty();
}

void Pt3D_Ext::p_clone(ExtValue *args,ExtValue *ret)
{
*ret=makeDynamicObject(new Pt3D_Ext(p.x,p.y,p.z));
}

void Pt3D_Ext::p_set3(ExtValue *args,ExtValue *ret)
{
p.x=args[2].getDouble();
p.y=args[1].getDouble();
p.z=args[0].getDouble();
ret->setEmpty();
}

void Pt3D_Ext::p_set(ExtValue *args,ExtValue *ret)
{
Pt3D_Ext *other=fromObject(args[0]);
if (other)
        p=other->p;
ret->setEmpty();
}

void Pt3D_Ext::get_length(ExtValue *ret)
{
ret->setDouble(p.length());
}

void Pt3D_Ext::get_toString(ExtValue *ret)
{
SString s="(";
ExtValue v;
v.setDouble(p.x); s+=v.getString();
s+=",";
v.setDouble(p.y); s+=v.getString();
s+=",";
v.setDouble(p.z); s+=v.getString();
s+=")";
ret->setString(s);
}

static void add3Coords(VectorObject* vec,const Pt3D& p)
{
vec->data+=new ExtValue(p.x);
vec->data+=new ExtValue(p.y);
vec->data+=new ExtValue(p.z);
}

void Pt3D_Ext::get_toVector(ExtValue *ret)
{
VectorObject *vec=new VectorObject;
add3Coords(vec,p);
ret->setObject(ExtObject(&VectorObject::par,vec));
}

void Pt3D_Ext::p_addvec(ExtValue *args,ExtValue *ret)
{
Pt3D_Ext *other=fromObject(args[0]);
if (other)
        p+=other->p;
ret->setEmpty();
}

void Pt3D_Ext::p_subvec(ExtValue *args,ExtValue *ret)
{
Pt3D_Ext *other=fromObject(args[0]);
if (other)
        p-=other->p;
ret->setEmpty();
}

void Pt3D_Ext::p_scale(ExtValue *args,ExtValue *ret)
{
double d=args[0].getDouble();
p.x*=d; p.y*=d; p.z*=d;
ret->setEmpty();
}

void Pt3D_Ext::p_normalize(ExtValue *args,ExtValue *ret)
{
p.normalize();
ret->setEmpty();
}

void Pt3D_Ext::p_rotate(ExtValue *args,ExtValue *ret)
{
Orient_Ext *o=Orient_Ext::fromObject(args[0]);
if (o)
        {
        Pt3D tmp=p;
        o->o.transform(p,tmp);
        }
ret->setEmpty();
}

void Pt3D_Ext::p_revrotate(ExtValue *args,ExtValue *ret)
{
Orient_Ext *o=Orient_Ext::fromObject(args[0]);
if (o)
        {
        Pt3D tmp=p;
        o->o.revTransform(p,tmp);
        }
ret->setEmpty();
}

void Pt3D_Ext::p_get(ExtValue *args,ExtValue *ret)
{
int index=args->getInt();
if ((index<0)||(index>2))
        ret->setEmpty();
else
        ret->setDouble((&p.x)[index]);
}

Param& Pt3D_Ext::getStaticParam()
{
#ifdef __CODEGUARD__
static Pt3D_Ext static_pt3dobj;
static Param static_pt3dparam(getStaticParamtab(),&static_pt3dobj);
#else
static Param static_pt3dparam(getStaticParamtab());
#endif
return static_pt3dparam;
}

Pt3D_Ext* Pt3D_Ext::fromObject(const ExtValue& v)
{
if (v.type!=TObj) return 0;
const ExtObject& o=v.getObject();
return (Pt3D_Ext*)o.getTarget(getStaticParam().getName());
}

ParamInterface* Pt3D_Ext::getInterface() {return &getStaticParam();}

ExtObject Pt3D_Ext::makeStaticObject(Pt3D* p)
{return ExtObject(&getStaticParam(),((char*)p)+(((char*)&p->x)-((char*)&((Pt3D_Ext*)p)->p.x)));}

ExtObject Pt3D_Ext::makeDynamicObject(Pt3D_Ext* p)
{return ExtObject(&getStaticParam(),p);}

//////////////////////////////////////

ParamEntry* Orient_Ext::getStaticParamtab()
{
#define FIELDSTRUCT Orient_Ext
static ParamEntry paramtab[]=
{
{"Orient",1,27,"Orient","3D orientation, stored as 3x3 matrix."},

{"xx",1,PARAM_NOSTATIC,"orientation.x.x","f",FIELD(o.x.x),},
{"xy",1,PARAM_NOSTATIC,"orientation.x.y","f",FIELD(o.x.y),},
{"xz",1,PARAM_NOSTATIC,"orientation.x.z","f",FIELD(o.x.z),},
{"yx",1,PARAM_NOSTATIC,"orientation.y.x","f",FIELD(o.y.x),},
{"yy",1,PARAM_NOSTATIC,"orientation.y.y","f",FIELD(o.y.y),},
{"yz",1,PARAM_NOSTATIC,"orientation.y.z","f",FIELD(o.y.z),},
{"zx",1,PARAM_NOSTATIC,"orientation.z.x","f",FIELD(o.z.x),},
{"zy",1,PARAM_NOSTATIC,"orientation.z.y","f",FIELD(o.z.y),},
{"zz",1,PARAM_NOSTATIC,"orientation.z.z","f",FIELD(o.z.z),},

{"x",0,PARAM_NOSTATIC+PARAM_READONLY,"x vector","oXYZ",GETONLY(x),},
{"y",0,PARAM_NOSTATIC+PARAM_READONLY,"y vector","oXYZ",GETONLY(y),},
{"z",0,PARAM_NOSTATIC+PARAM_READONLY,"z vector","oXYZ",GETONLY(z),},

{"new",0,0,"create new Orient object","p oOrient()",PROCEDURE(p_new),},
{"newFromVector",0,0,"create new Orient object","p oOrient(oVector)",PROCEDURE(p_newFromVector),},
{"toVector",0,PARAM_READONLY+PARAM_NOSTATIC,"vector representation","oVector",GETONLY(toVector),"for serialization"},
{"clone",0,PARAM_NOSTATIC,"create new Orient object","p oOrient()",PROCEDURE(p_clone),},
{"set",0,PARAM_NOSTATIC,"copy from another Orient object","p(oOrient)",PROCEDURE(p_set),},
{"reset",0,PARAM_NOSTATIC,"set identity matrix","p()",PROCEDURE(p_reset),},
{"rotate3",0,PARAM_NOSTATIC,"rotate around 3 axes","p(f x,f y,f z)",PROCEDURE(p_rotate3),},
{"rotate",0,PARAM_NOSTATIC,"rotate using Orient object","p(oOrient)",PROCEDURE(p_rotate),},
{"revRotate",0,PARAM_NOSTATIC,"reverse rotate using Orient object","p(oOrient)",PROCEDURE(p_revrotate),},
{"lookAt",0,PARAM_NOSTATIC,"calculate rotation from 2 vectors","p(oXYZ direction,oXYZ up)",PROCEDURE(p_lookat),},
{"normalize",0,PARAM_NOSTATIC,"normalize","p()",PROCEDURE(p_normalize),},
{"between2",0,PARAM_NOSTATIC,"interpolate orientation","p(oOrient,oOrient,f amount)",PROCEDURE(p_between2),"The calling Orient receives the orientation interpolated from 2 input orientations.\nExample:\n"
        "var o1=Orient.new(), o2=Orient.new(), o3=Orient.new();\n"
        "o2.rotate3(0,Math.pi/2,0);\n"
        "o3.between2(o1,o2,0); // o3 equals o2\n"
        "o3.between2(o1,o2,1); // o3 equals o1\n"
        "o3.between2(o1,o2,0.5); // o3 is halfway between o1 and o2\n"},
{"betweenOV",0,PARAM_NOSTATIC,"interpolate orientation","p(oOrient,oXYZ,f amount)",PROCEDURE(p_betweenOV),"Like between2(), but the second Orient is composed of the supplied XYZ vector (X component) and Y Z vectors from the calling object.\n"
        "Example:\n"
        "var o=Orient.new();\n"
        "o.betweenOV(o,(0,1,0),1); //no change, o remains 100 010 001\n"
        "o.betweenOV(o,(0,1,0),0.9); //o is slightly rotated towards (0,1,0)\n"
        "o.betweenOV(o,(0,1,0),0); //o is completely transformed, o.x=(0,1,0)\n"
        },
{"localToWorld",0,PARAM_NOSTATIC,"transform coordinates","p XYZ(oXYZ point,oXYZ center)",PROCEDURE(p_localToWorld),},
{"worldToLocal",0,PARAM_NOSTATIC,"transform coordinates","p XYZ(oXYZ point,oXYZ center)",PROCEDURE(p_worldToLocal),},
{0,0,0,},
};
#undef FIELDSTRUCT
return paramtab;
}

void Orient_Ext::p_new(ExtValue *args,ExtValue *ret)
{
*ret=makeDynamicObject(new Orient_Ext());
}

void Orient_Ext::p_newFromVector(ExtValue *args,ExtValue *ret)
{
VectorObject *vec=VectorObject::fromObject(args->getObject());
if (vec)
        *ret=makeDynamicObject(new Orient_Ext(Orient(pt3DFromVec(vec,0),pt3DFromVec(vec,3),pt3DFromVec(vec,6))));
else
        ret->setEmpty();
}

void Orient_Ext::get_toVector(ExtValue *ret)
{
VectorObject *vec=new VectorObject;
add3Coords(vec,o.x);
add3Coords(vec,o.y);
add3Coords(vec,o.z);
ret->setObject(ExtObject(&VectorObject::par,vec));
}

void Orient_Ext::p_clone(ExtValue *args,ExtValue *ret)
{
*ret=makeDynamicObject(new Orient_Ext(o));
}

void Orient_Ext::p_set(ExtValue *args,ExtValue *ret)
{
Orient_Ext *other=fromObject(args[0]);
if (other)
        o=other->o;
ret->setEmpty();
}

void Orient_Ext::p_reset(ExtValue *args,ExtValue *ret)
{
o=Orient_1;
ret->setEmpty();
}

void Orient_Ext::get_x(PARAMGETARGS)
{
*ret=Pt3D_Ext::makeStaticObject(&o.x);
}

void Orient_Ext::get_y(PARAMGETARGS)
{
*ret=Pt3D_Ext::makeStaticObject(&o.y);
}

void Orient_Ext::get_z(PARAMGETARGS)
{
*ret=Pt3D_Ext::makeStaticObject(&o.z);
}

void Orient_Ext::p_lookat(ExtValue *args,ExtValue *ret)
{
Pt3D_Ext *dir=Pt3D_Ext::fromObject(args[1]),*up=Pt3D_Ext::fromObject(args[0]);
if (dir&&up)
        o.lookAt(dir->p,up->p);
ret->setEmpty();
}

void Orient_Ext::p_rotate3(ExtValue *args,ExtValue *ret)
{
Pt3D p(args[2].getDouble(),args[1].getDouble(),args[0].getDouble());
o.rotate(p);
ret->setEmpty();
}

void Orient_Ext::p_rotate(ExtValue *args,ExtValue *ret)
{
Orient_Ext *obj=Orient_Ext::fromObject(args[0]);
if (!obj)
        {
        Orient tmp=o;
        obj->o.transform(o,tmp);
        }
ret->setEmpty();
}

void Orient_Ext::p_revrotate(ExtValue *args,ExtValue *ret)
{
Orient_Ext *obj=Orient_Ext::fromObject(args[0]);
if (obj)
        {
        Orient tmp=o;
        obj->o.revTransform(o,tmp);
        }
ret->setEmpty();
}

void Orient_Ext::p_normalize(ExtValue *args,ExtValue *ret)
{
o.normalize();
ret->setEmpty();
}

void Orient_Ext::p_between2(ExtValue *args,ExtValue *ret)
{
Orient_Ext *o1=Orient_Ext::fromObject(args[2]);
Orient_Ext *o2=Orient_Ext::fromObject(args[1]);
if (o1&&o2)
        {
        double q1=args[0].getDouble(),q2=1.0-q1;
        o.x.x=q1*o1->o.x.x+q2*o2->o.x.x;
        o.x.y=q1*o1->o.x.y+q2*o2->o.x.y;
        o.x.z=q1*o1->o.x.z+q2*o2->o.x.z;
        o.y.x=q1*o1->o.y.x+q2*o2->o.y.x;
        o.y.y=q1*o1->o.y.y+q2*o2->o.y.y;
        o.y.z=q1*o1->o.y.z+q2*o2->o.y.z;
        o.z.x=q1*o1->o.z.x+q2*o2->o.z.x;
        o.z.y=q1*o1->o.z.y+q2*o2->o.z.y;
        o.z.z=q1*o1->o.z.z+q2*o2->o.z.z;
        o.normalize();
        }
ret->setEmpty();
}

void Orient_Ext::p_betweenOV(ExtValue *args,ExtValue *ret)
{
Orient_Ext *o1=Orient_Ext::fromObject(args[2]);
Pt3D_Ext *p2=Pt3D_Ext::fromObject(args[1]);
if (o1&&p2)
        {
        double q1=args[0].getDouble(),q2=1.0-q1;
        o.x.x=q1*o1->o.x.x+q2*p2->p.x;
        o.x.y=q1*o1->o.x.y+q2*p2->p.y;
        o.x.z=q1*o1->o.x.z+q2*p2->p.z;
        o.normalize();
        }
ret->setEmpty();
}

void Orient_Ext::p_localToWorld(ExtValue *args,ExtValue *ret)
{
Pt3D_Ext *center,*point;
point=Pt3D_Ext::fromObject(args[1]);
center=Pt3D_Ext::fromObject(args[0]);
if (center && point)
        {
        Pt3D d;
        Pt3D src=point->p;
        o.transform(d,src);
        d+=center->p;
        *ret=Pt3D_Ext::makeDynamicObject(new Pt3D_Ext(d));
        }
else
        ret->setEmpty();
}

void Orient_Ext::p_worldToLocal(ExtValue *args,ExtValue *ret)
{
Pt3D_Ext *center,*point;
point=Pt3D_Ext::fromObject(args[1]);
center=Pt3D_Ext::fromObject(args[0]);
if (center && point)
        {
        Pt3D d;
        Pt3D src=point->p;
        d-=center->p;
        o.revTransform(d,src);
        *ret=Pt3D_Ext::makeDynamicObject(new Pt3D_Ext(d));
        }
else
        ret->setEmpty();
}

Param& Orient_Ext::getStaticParam()
{
#ifdef __CODEGUARD__
static Orient_Ext static_orientobj;
static Param static_orientparam(getStaticParamtab(),&static_orientobj);
#else
static Param static_orientparam(getStaticParamtab());
#endif
return static_orientparam;
}

Orient_Ext* Orient_Ext::fromObject(const ExtValue& v)
{
if (v.type!=TObj) return 0;
const ExtObject& o=v.getObject();
return (Orient_Ext*)o.getTarget(getStaticParam().getName());
}

ParamInterface* Orient_Ext::getInterface() {return &getStaticParam();}

ExtObject Orient_Ext::makeStaticObject(Orient* o)
{return ExtObject(&getStaticParam(),((char*)o)+(((char*)&o->x)-((char*)&((Orient_Ext*)o)->o.x)));}

ExtObject Orient_Ext::makeDynamicObject(Orient_Ext* p)
{return ExtObject(&getStaticParam(),p);}

ParamEntry* ReferenceObj::getStaticParamtab()
{
#define FIELDSTRUCT ReferenceObj
static ParamEntry paramtab[]=
{
{"Ref",1,5,"Ref","Reference objects. Useful for returning things from functions.\n\nExample:\nvar x=111;\nsquare(&x);// '&' creates the Reference object\nSimulator.print(x);//x is now 12321\n\nfunction square(r)\n{r.value=r.value*r.value;}\n//square receives the Reference objects and changes its 'value' field"},

{"value",0,PARAM_NOSTATIC,"value","x",GETSET(value),},
{"newS",0,0,"create new reference","p",PROCEDURE(p_newS),"(for internal use only) use &variablename to create Ref objects.",},
{"newO",0,0,"create new reference","p",PROCEDURE(p_newO),"(for internal use only) use &variablename to create Ref objects.",},
{"copyFrom",0,0,"copy the reference","p(oRef)",PROCEDURE(p_copyFrom),"make the reference point to the same target,"},
{"toString",0,PARAM_READONLY+PARAM_NOSTATIC,"textual form","s",GETONLY(toString),},
{0,0,0,},
};
#undef FIELDSTRUCT
return paramtab;
}

Param& ReferenceObj::getStaticParam()
{
#ifdef __CODEGUARD__
static ReferenceObj static_referenceobj;
static Param static_refobjectparam(getStaticParamtab(),&static_referenceobj);
#else
static Param static_refobjectparam(getStaticParamtab());
#endif
return static_refobjectparam;
}

void ReferenceObj::p_newS(ExtValue *args,ExtValue *ret)
{
*ret=makeDynamicObject(new ReferenceObj((ExtValue*)args->getInt()));
}

void ReferenceObj::p_newO(ExtValue *args,ExtValue *ret)
{
if (args[0].type==TInt)
        *ret=makeDynamicObject(new ReferenceObj(args[1].getObject(),args[0].getInt()));
else
        *ret=makeDynamicObject(new ReferenceObj(args[1].getObject(),args[0].getString()));
}

void ReferenceObj::p_copyFrom(ExtValue *args,ExtValue *ret)
{
ReferenceObj* other=fromObject(args[0]);
if (other)
        {
        value=other->value;
        obj=other->obj;
        prop=other->prop;
        }
}

void ReferenceObj::get_toString(ExtValue *ret)
{
SString s="(";
static SListTempl<ReferenceObj*> trace;
if (trace.find(this)>=0)
        s+="...";
else
        {
        trace+=this;
        if (value)
                s+=value->getString();
        else
                {
                ExtValue v;
                Param tmp_param;
                ParamInterface *pi=obj.getParamInterface(tmp_param);
                pi->get(prop,v);
                s+=v.getString();
                }
        trace-=this;
        }
s+=")";
ret->setString(s);
}

void ReferenceObj::get_value(ExtValue *ret)
{
if (value)
        *ret=*value;
else
        {
        Param tmp_param;
        ParamInterface *pi=obj.getParamInterface(tmp_param);
        pi->get(prop,*ret);
        }
}

int ReferenceObj::set_value(const ExtValue *val)
{
if (value)
        *value=*val;
else
        {
        Param tmp_param;
        ParamInterface *pi=obj.getParamInterface(tmp_param);
        pi->set(prop,*val);
        }
return PSET_CHANGED;
}

ReferenceObj::ReferenceObj(const ExtObject &o,const SString &p)
        :value(0),obj(o)
{
Param tmp_param;
ParamInterface *pi=obj.getParamInterface(tmp_param);
prop=pi->findId(p);
}

ExtObject ReferenceObj::makeDynamicObject(ReferenceObj* r)
{return ExtObject(&getStaticParam(),r);}

ReferenceObj* ReferenceObj::fromObject(const ExtValue& v)
{
if (v.type!=TObj) return 0;
const ExtObject& o=v.getObject();
return (ReferenceObj*)o.getTarget(getStaticParam().getName());
}