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 | #ifndef I4_BSPLINE_HH
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10 | #define I4_BSPLINE_HH
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11 |
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12 | #include "arch.hh"
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13 | #include "math/num_type.hh"
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14 |
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15 | class i4_file_class;
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16 | class i4_linear_allocator;
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17 |
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18 | class i4_spline_class
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19 | {
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20 | w32 t_points;
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21 |
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22 |
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23 | static i4_linear_allocator *p_alloc;
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24 | static w32 point_refs;
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25 |
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26 | void cleanup();
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27 |
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28 | public:
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29 | class point
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30 | {
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31 | public:
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32 | i4_float x,y,z;
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33 | w32 frame; // frame in time this point exsist, golgotha runs at 15hz
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34 |
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35 | i4_bool selected;
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36 | point *next;
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37 | };
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38 |
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39 | protected:
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40 | point *points;
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41 | public:
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42 | void move(i4_float x_add, i4_float y_add, i4_float z_add);
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43 |
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44 | point *begin() { return points; }
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45 | i4_spline_class *next;
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46 |
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47 | w32 total() { return t_points; }
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48 |
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49 | point *add_control_point(i4_float x, i4_float y, i4_float z, w32 frame);
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50 | point *get_control_point(w32 p);
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51 |
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52 | point *get_control_point_previous_to_frame(w32 frame);
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53 |
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54 | i4_bool get_point(w32 frame, i4_float &x, i4_float &y, i4_float &z);
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55 |
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56 | // inserts a new control point after ever selected node
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57 | void insert_control_points();
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58 |
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59 | void delete_selected();
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60 | w32 last_frame();
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61 | i4_spline_class();
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62 | ~i4_spline_class();
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63 |
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64 | void save(i4_file_class *fp);
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65 | void load(i4_file_class *fp);
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66 | };
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67 |
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68 |
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69 | #endif
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