File: teapot.c

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sipp 3.1-2
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/**
 ** sipp - SImple Polygon Processor
 **
 **  A general 3d graphic package
 **
 **  Copyright Equivalent Software HB  1992
 **
 ** This program is free software; you can redistribute it and/or modify
 ** it under the terms of the GNU General Public License as published by
 ** the Free Software Foundation; either version 1, or any later version.
 ** This program is distributed in the hope that it will be useful,
 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 ** GNU General Public License for more details.
 ** You can receive a copy of the GNU General Public License from the
 ** Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 **/

/**
 ** teapot.c - Create a "Utah teapot" as a SIPP object.
 **/

#include <sipp.h>
#include <primitives.h>


static Vector teapot_body[] = {
    {3.500000E-01, 0.000000E+00, 5.625000E-01}, 
    {3.343750E-01, 0.000000E+00, 5.953125E-01}, 
    {3.593750E-01, 0.000000E+00, 5.953125E-01}, 
    {3.750000E-01, 0.000000E+00, 5.625000E-01}, 
    {4.375000E-01, 0.000000E+00, 4.312500E-01}, 
    {5.000000E-01, 0.000000E+00, 3.000000E-01}, 
    {5.000000E-01, 0.000000E+00, 1.875000E-01}, 
    {5.000000E-01, 0.000000E+00, 7.500000E-02}, 
    {3.750000E-01, 0.000000E+00, 1.875000E-02}, 
    {3.750000E-01, 0.000000E+00, 0.000000E+00}
};
static int teapot_body_i[] = {9, 8, 7, 6, 6, 5, 4, 3, 3, 2, 1, 0};


static Vector teapot_lid[] = {
    {0.000000e+00, 0.000000e+00, 7.500000e-01}, 
    {2.000000E-01, 0.000000E+00, 7.500000E-01}, 
    {0.000000E+00, 0.000000E+00, 6.750000E-01}, 
    {5.000000E-02, 0.000000E+00, 6.375000E-01}, 
    {1.000000E-01, 0.000000E+00, 6.000000E-01}, 
    {3.250000E-01, 0.000000E+00, 6.000000E-01}, 
    {3.500000E-01, 0.000000E+00, 5.625000E-01}
};
static int teapot_lid_i[] = {6, 5, 4, 3, 3, 2, 1, 0};


static Vector teapot_spout[] = {
    {4.250000E-01, -0.000000E+00, 3.187500E-01}, 
    {6.500000E-01, -0.000000E+00, 3.187500E-01}, 
    {5.750000E-01, -0.000000E+00, 4.875000E-01}, 
    {6.750000E-01, -0.000000E+00, 5.625000E-01}, 
    {7.000000E-01, -0.000000E+00, 5.812500E-01}, 
    {7.250000E-01, -0.000000E+00, 5.812500E-01}, 
    {7.000000E-01, -0.000000E+00, 5.625000E-01}, 
    {4.250000E-01, -1.650000E-01, 3.187500E-01}, 
    {6.500000E-01, -1.650000E-01, 3.187500E-01}, 
    {5.750000E-01, -6.250000E-02, 4.875000E-01}, 
    {6.750000E-01, -6.250000E-02, 5.625000E-01}, 
    {7.000000E-01, -6.250000E-02, 5.812500E-01}, 
    {7.250000E-01, -3.750000E-02, 5.812500E-01}, 
    {7.000000E-01, -3.750000E-02, 5.625000E-01}, 
    {4.250000E-01, -1.650000E-01, 1.125000E-01}, 
    {7.750000E-01, -1.650000E-01, 1.687500E-01}, 
    {6.000000E-01, -6.250000E-02, 4.687500E-01}, 
    {8.250000E-01, -6.250000E-02, 5.625000E-01}, 
    {8.812500E-01, -6.250000E-02, 5.859375E-01}, 
    {8.625000E-01, -3.750000E-02, 5.906250E-01}, 
    {8.000000E-01, -3.750000E-02, 5.625000E-01}, 
    {4.250000E-01, -0.000000E+00, 1.125000E-01}, 
    {7.750000E-01, -0.000000E+00, 1.687500E-01}, 
    {6.000000E-01, -0.000000E+00, 4.687500E-01}, 
    {8.250000E-01, -0.000000E+00, 5.625000E-01}, 
    {8.812500E-01, -0.000000E+00, 5.859375E-01}, 
    {8.625000E-01, -0.000000E+00, 5.906250E-01}, 
    {8.000000E-01, -0.000000E+00, 5.625000E-01}, 
    {4.250000E-01, 1.650000E-01, 1.125000E-01}, 
    {7.750000E-01, 1.650000E-01, 1.687500E-01}, 
    {6.000000E-01, 6.250000E-02, 4.687500E-01}, 
    {8.250000E-01, 6.250000E-02, 5.625000E-01}, 
    {8.812500E-01, 6.250000E-02, 5.859375E-01}, 
    {8.625000E-01, 3.750000E-02, 5.906250E-01}, 
    {8.000000E-01, 3.750000E-02, 5.625000E-01}, 
    {4.250000E-01, 1.650000E-01, 3.187500E-01}, 
    {6.500000E-01, 1.650000E-01, 3.187500E-01}, 
    {5.750000E-01, 6.250000E-02, 4.875000E-01}, 
    {6.750000E-01, 6.250000E-02, 5.625000E-01}, 
    {7.000000E-01, 6.250000E-02, 5.812500E-01}, 
    {7.250000E-01, 3.750000E-02, 5.812500E-01}, 
    {7.000000E-01, 3.750000E-02, 5.625000E-01}
};
static int teapot_spout_i[] = {
 21, 22, 23, 24, 14, 15, 16, 17, 7, 8, 9, 10, 0, 1, 2, 3, 
 0, 1, 2, 3, 35, 36, 37, 38, 28, 29, 30, 31, 21, 22, 23, 24, 
 24, 25, 26, 27, 17, 18, 19, 20, 10, 11, 12, 13, 3, 4, 5, 6, 
 3, 4, 5, 6, 38, 39, 40, 41, 31, 32, 33, 34, 24, 25, 26, 27
};


static Vector teapot_handle[] = {
   {-3.750000E-01, -0.000000E+00, 5.250000E-01}, 
   {-6.250000E-01, -0.000000E+00, 5.250000E-01}, 
   {-7.500000E-01, -0.000000E+00, 5.250000E-01}, 
   {-7.500000E-01, -0.000000E+00, 4.125000E-01}, 
   {-7.500000E-01, -0.000000E+00, 3.000000E-01}, 
   {-6.625000E-01, -0.000000E+00, 1.968750E-01}, 
   {-4.750000E-01, -0.000000E+00, 1.125000E-01}, 
   {-3.750000E-01, 7.500000E-02, 5.250000E-01}, 
   {-6.250000E-01, 7.500000E-02, 5.250000E-01}, 
   {-7.500000E-01, 7.500000E-02, 5.250000E-01}, 
   {-7.500000E-01, 7.500000E-02, 4.125000E-01}, 
   {-7.500000E-01, 7.500000E-02, 3.000000E-01}, 
   {-6.625000E-01, 7.500000E-02, 1.968750E-01}, 
   {-4.750000E-01, 7.500000E-02, 1.125000E-01}, 
   {-4.000000E-01, 7.500000E-02, 4.687500E-01}, 
   {-5.750000E-01, 7.500000E-02, 4.687500E-01}, 
   {-6.750000E-01, 7.500000E-02, 4.687500E-01}, 
   {-6.750000E-01, 7.500000E-02, 4.125000E-01}, 
   {-6.750000E-01, 7.500000E-02, 3.562500E-01}, 
   {-6.250000E-01, 7.500000E-02, 2.437500E-01}, 
   {-5.000000E-01, 7.500000E-02, 1.875000E-01}, 
   {-4.000000E-01, -0.000000E+00, 4.687500E-01}, 
   {-5.750000E-01, -0.000000E+00, 4.687500E-01}, 
   {-6.750000E-01, -0.000000E+00, 4.687500E-01}, 
   {-6.750000E-01, -0.000000E+00, 4.125000E-01}, 
   {-6.750000E-01, -0.000000E+00, 3.562500E-01}, 
   {-6.250000E-01, -0.000000E+00, 2.437500E-01}, 
   {-5.000000E-01, -0.000000E+00, 1.875000E-01}, 
   {-4.000000E-01, -7.500000E-02, 4.687500E-01}, 
   {-5.750000E-01, -7.500000E-02, 4.687500E-01}, 
   {-6.750000E-01, -7.500000E-02, 4.687500E-01}, 
   {-6.750000E-01, -7.500000E-02, 4.125000E-01}, 
   {-6.750000E-01, -7.500000E-02, 3.562500E-01}, 
   {-6.250000E-01, -7.500000E-02, 2.437500E-01}, 
   {-5.000000E-01, -7.500000E-02, 1.875000E-01}, 
   {-3.750000E-01, -7.500000E-02, 5.250000E-01}, 
   {-6.250000E-01, -7.500000E-02, 5.250000E-01}, 
   {-7.500000E-01, -7.500000E-02, 5.250000E-01}, 
   {-7.500000E-01, -7.500000E-02, 4.125000E-01}, 
   {-7.500000E-01, -7.500000E-02, 3.000000E-01}, 
   {-6.625000E-01, -7.500000E-02, 1.968750E-01}, 
   {-4.750000E-01, -7.500000E-02, 1.125000E-01}
};
static int teapot_handle_i[] = {
 0, 1, 2, 3, 35, 36, 37, 38, 28, 29, 30, 31, 21, 22, 23, 24, 
 21, 22, 23, 24, 14, 15, 16, 17, 7, 8, 9, 10, 0, 1, 2, 3, 
 3, 4, 5, 6, 38, 39, 40, 41, 31, 32, 33, 34, 24, 25, 26, 27, 
 6, 5, 4, 3, 13, 12, 11, 10, 20, 19, 18, 17, 27, 26, 25, 24
};



Object *
sipp_teapot_body(resolution, surface, shader, texture)
    int          resolution;
    void       * surface;
    Shader     * shader;
    int          texture;
{
    return sipp_bezier_rotcurve(sizeof(teapot_body) / sizeof(Vector), 
                               teapot_body, 
                               sizeof(teapot_body_i) / sizeof(int) / 4, 
                               teapot_body_i, resolution, surface, 
                               shader, texture);
}

Object *
sipp_teapot_lid(resolution, surface, shader, texture)
    int          resolution;
    void       * surface;
    Shader     * shader;
    int          texture;
{
    return sipp_bezier_rotcurve(sizeof(teapot_lid) / sizeof(Vector), 
                               teapot_lid, 
                               sizeof(teapot_lid_i) / sizeof(int) / 4, 
                               teapot_lid_i, resolution, surface, 
                               shader, texture);
}

Object *
sipp_teapot_handle(resolution, surface, shader, texture)
    int          resolution;
    void       * surface;
    Shader     * shader;
    int          texture;
{
    return sipp_bezier_patches(sizeof(teapot_handle) / sizeof(Vector), 
                               teapot_handle, 
                               sizeof(teapot_handle_i) / sizeof(int) / 16, 
                               teapot_handle_i, resolution, surface, 
                               shader, texture);
}

Object *
sipp_teapot_spout(resolution, surface, shader, texture)
    int          resolution;
    void       * surface;
    Shader     * shader;
    int          texture;
{
    return sipp_bezier_patches(sizeof(teapot_spout) / sizeof(Vector), 
                               teapot_spout, 
                               sizeof(teapot_spout_i) / sizeof(int) / 16, 
                               teapot_spout_i, resolution, surface, 
                               shader, texture);
}



Object *
sipp_teapot(resolution, surface, shader, texture)
    int          resolution;
    void       * surface;
    Shader     * shader;
    int          texture;
{
    Object *teapot;

    teapot = object_create();

    object_add_subobj(teapot, sipp_teapot_body(resolution, surface, 
                                               shader, texture));
    object_add_subobj(teapot, sipp_teapot_lid(resolution, surface, 
                                               shader, texture));
    object_add_subobj(teapot, sipp_teapot_spout(resolution, surface, 
                                               shader, texture));
    object_add_subobj(teapot, sipp_teapot_handle(resolution, surface, 
                                               shader, texture));


    return teapot;
}