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Add findWorldPoint / findObjectPoint for objects #7443

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Add findWorldPoint / findObjectPoint for objects #7443

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32 changes: 32 additions & 0 deletions code/scripting/api/objs/object.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -766,5 +766,37 @@ ADE_FUNC(getIFFColor, l_Object, "boolean ReturnType",
}
}

ADE_FUNC(findWorldPoint, l_Object, "vector", "Calculates the world coordinates of a point in the object's frame of reference", "vector", "Point, or empty vector if handle is not valid")
{
object_h *objh;
vec3d pnt, outpnt;
if (!ade_get_args(L, "oo", l_Object.GetPtr(&objh), l_Vector.Get(&pnt)))
return ade_set_error(L, "o", l_Vector.Set(vmd_zero_vector));

if (!objh->isValid())
return ade_set_error(L, "o", l_Vector.Set(vmd_zero_vector));

auto objp = objh->objp();
vm_vec_unrotate(&outpnt, &pnt, &objp->orient);
outpnt += objp->pos;
return ade_set_args(L, "o", l_Vector.Set(outpnt));
}

ADE_FUNC(findObjectPoint, l_Object, "vector", "Calculates the coordinates in an object's frame of reference, of a point in world coordinates", "vector", "Point, or empty vector if handle is not valid")
{
object_h *objh;
vec3d pnt, outpnt;
if (!ade_get_args(L, "oo", l_Object.GetPtr(&objh), l_Vector.Get(&pnt)))
return ade_set_error(L, "o", l_Vector.Set(vmd_zero_vector));

if (!objh->isValid())
return ade_set_error(L, "o", l_Vector.Set(vmd_zero_vector));

auto objp = objh->objp();
pnt -= objp->pos;
vm_vec_rotate(&outpnt, &pnt, &objp->orient);
return ade_set_args(L, "o", l_Vector.Set(outpnt));
}

} // namespace api
} // namespace scripting
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