| [80] | 1 | /********************************************************************** <BR>
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| 2 | This file is part of Crack dot Com's free source code release of
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| 3 | Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
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| 4 | information about compiling & licensing issues visit this URL</a>
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| 5 | <PRE> If that doesn't help, contact Jonathan Clark at
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| 6 | golgotha_source@usa.net (Subject should have "GOLG" in it)
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| 7 | ***********************************************************************/
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| 8 |
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| 9 | #include "lisp/li_vect.hh"
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| 10 | #include "lisp/lisp.hh"
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| 11 | #include "file/file.hh"
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| 12 | #include "loaders/dir_save.hh"
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| 13 | #include "loaders/dir_load.hh"
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| 14 | #include "lisp/li_init.hh"
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| 15 |
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| 16 | li_type_number li_vect_type;
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| 17 | class li_vect_type_function_table : public li_type_function_table
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| 18 | {
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| 19 | public:
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| 20 | // free data associated with an instance of this type
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| 21 | virtual void free(li_object *o)
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| 22 | {
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| 23 | delete li_vect::get(o,0)->v;
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| 24 | }
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| 25 |
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| 26 | virtual int equal(li_object *o1, li_object *o2)
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| 27 | {
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| 28 | i4_3d_vector v1=li_vect::get(o1,0)->value(), v2=li_vect::get(o2,0)->value();
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| 29 | return v1.x==v2.x && v1.y==v2.y && v1.z==v1.z;
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| 30 | }
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| 31 |
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| 32 | virtual void print(li_object *o, i4_file_class *stream)
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| 33 | {
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| 34 | i4_3d_vector v=li_vect::get(o,0)->value();
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| 35 | stream->printf("(vector %f %f %f)",v.x, v.y, v.z);
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| 36 | }
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| 37 |
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| 38 | virtual char *name() { return "vector"; }
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| 39 |
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| 40 | virtual li_object *create(li_object *params, li_environment *env)
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| 41 | {
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| 42 | i4_3d_vector v;
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| 43 | if (params)
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| 44 | {
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| 45 | v.x=li_get_float(li_eval(li_car(params,env), env),env); params=li_cdr(params,env);
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| 46 | v.y=li_get_float(li_eval(li_car(params,env), env),env); params=li_cdr(params,env);
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| 47 | v.z=li_get_float(li_eval(li_car(params,env), env),env); params=li_cdr(params,env);
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| 48 | }
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| 49 |
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| 50 | return new li_vect(v);
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| 51 | }
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| 52 |
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| 53 |
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| 54 | virtual void save_object(i4_saver_class *fp, li_object *o, li_environment *env)
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| 55 | {
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| 56 | i4_3d_vector v=li_vect::get(o,env)->value();
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| 57 | fp->write_float(v.x);
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| 58 | fp->write_float(v.y);
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| 59 | fp->write_float(v.z);
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| 60 |
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| 61 | }
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| 62 |
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| 63 | virtual li_object *load_object(i4_loader_class *fp, li_type_number *type_remap,
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| 64 | li_environment *env)
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| 65 | {
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| 66 | i4_3d_vector v;
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| 67 | v.x=fp->read_float();
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| 68 | v.y=fp->read_float();
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| 69 | v.z=fp->read_float();
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| 70 | return new li_vect(v);
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| 71 | }
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| 72 | };
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| 73 |
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| 74 | li_automatic_add_type(li_vect_type_function_table, li_vect_type);
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