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#include <algorithm> |
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#include <cassert> |
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|
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using namespace std; |
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|
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#include "opengl.h" |
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|
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#include "util.h" |
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#include "entity.h" |
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#include "oct.h" |
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#include "view.h" |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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geometry::~geometry () |
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{ |
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} |
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|
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template class geometry_opengl1d<GL_POINTS>; |
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template class geometry_opengl1d<GL_LINES>; |
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template class geometry_opengl1d<GL_LINE_STRIP>; |
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template class geometry_opengl1d<GL_LINE_LOOP>; |
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template class geometry_opengl2d<GL_TRIANGLES>; |
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template class geometry_opengl2d<GL_TRIANGLE_STRIP>; |
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template class geometry_opengl2d<GL_TRIANGLE_FAN>; |
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template class geometry_opengl2d<GL_QUADS>; |
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template class geometry_opengl2d<GL_QUAD_STRIP>; |
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template class geometry_opengl2d<GL_POLYGON>; |
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|
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geometry_opengl::geometry_opengl () |
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{ |
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list = glGenLists (1); |
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} |
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|
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geometry_opengl::~geometry_opengl () |
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{ |
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glDeleteLists (list, 1); |
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} |
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|
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template<GLenum type> |
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void geometry_opengl1d<type>::set (const vector<vertex_v3f> &v) |
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{ |
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clear (); |
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insert (end (), v.begin (), v.end ()); |
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|
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bbox.reset (); |
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|
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for (const_iterator i = end (); i-- != begin (); ) |
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bbox.add (i->p); |
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|
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update (); |
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} |
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|
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template<GLenum type> |
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void geometry_opengl1d<type>::draw (view &ctx) |
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{ |
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glBegin (type); |
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|
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for (iterator i = begin (); i < end (); ++i) |
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glVertex3fv ((GLfloat *)&i->p); |
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|
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glEnd (); |
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} |
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|
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template<GLenum type> |
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void geometry_opengl2d<type>::set (const vector<vertex_t2f_n3f_v3f> &v) |
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{ |
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bbox.reset (); |
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|
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for (vector<vertex_t2f_n3f_v3f>::const_iterator i = v.end (); i-- != v.begin (); ) |
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bbox.add (i->p); |
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|
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update (); |
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|
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glNewList (list, GL_COMPILE); |
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|
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#if 0 |
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glBegin (type); |
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|
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for (vector<vertex_t2f_n3f_v3f>::const_iterator i = v.begin (); i < v.end (); ++i) |
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{ |
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glTexCoord2fv ((GLfloat *)&i->t); |
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glNormal3fv ((GLfloat *)&i->n); |
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glVertex3fv ((GLfloat *)&i->p); |
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} |
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|
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glEnd (); |
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#else |
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glEnableClientState (GL_VERTEX_ARRAY); |
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glEnableClientState (GL_NORMAL_ARRAY); |
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glEnableClientState (GL_TEXTURE_COORD_ARRAY); |
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glVertexPointer (3, GL_FLOAT, sizeof (vertex_t2f_n3f_v3f), (void *)&v.begin ()->p); |
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glNormalPointer (GL_FLOAT, sizeof (vertex_t2f_n3f_v3f), (void *)&v.begin ()->n); |
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glTexCoordPointer (2, GL_FLOAT, sizeof (vertex_t2f_n3f_v3f), (void *)&v.begin ()->t); |
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|
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glDrawArrays (type, 0, v.size ()); |
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|
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glDisableClientState (GL_VERTEX_ARRAY); |
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glDisableClientState (GL_NORMAL_ARRAY); |
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glDisableClientState (GL_TEXTURE_COORD_ARRAY); |
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#endif |
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|
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glEndList (); |
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} |
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|
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template<GLenum type> |
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void geometry_opengl2d<type>::draw (view &ctx) |
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{ |
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m->enable (ctx); |
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glCallList (list); |
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m->disable (ctx); |
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} |
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|
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void geometry_sphere::update () |
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{ |
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bbox.reset (); |
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bbox.add (-point (radius, radius, radius)); |
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bbox.add ( point (radius, radius, radius)); |
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|
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geometry::update (); |
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} |
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|
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void geometry_sphere::draw (view &ctx) |
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{ |
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int n = min (100, max (15, (int)(ctx.pixfact * radius) / 10)); |
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|
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GLUquadric *quad = gluNewQuadric (); |
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gluQuadricTexture (quad, true); |
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gluSphere (quad, radius, n, n); |
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gluDeleteQuadric (quad); |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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void geometry_transform::update () |
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{ |
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const box &sub = g->bbox; |
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|
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bbox.reset (); |
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bbox.add (m * vec3 (sub.a.x, sub.a.y, sub.a.z)); |
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bbox.add (m * vec3 (sub.b.x, sub.a.y, sub.a.z)); |
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bbox.add (m * vec3 (sub.a.x, sub.b.y, sub.a.z)); |
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bbox.add (m * vec3 (sub.b.x, sub.b.y, sub.a.z)); |
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bbox.add (m * vec3 (sub.a.x, sub.a.y, sub.b.z)); |
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bbox.add (m * vec3 (sub.b.x, sub.a.y, sub.b.z)); |
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bbox.add (m * vec3 (sub.a.x, sub.b.y, sub.b.z)); |
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bbox.add (m * vec3 (sub.b.x, sub.b.y, sub.b.z)); |
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|
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geometry::update (); |
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} |
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|
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#if 0 |
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void geometry_transform::renormalize () |
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{ |
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point trans(m(0,3), m(1,3), m(2,3)); |
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::renormalize (e->orig, trans); |
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m(0,3) = trans.x; m(1,3) = trans.y; m(2,3) = trans.z; |
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} |
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#endif |
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|
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void geometry_transform::update (const matrix &xfrm) |
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{ |
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m = m * xfrm; |
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|
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update (); |
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} |
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|
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void geometry_transform::set_matrix (const matrix &xfrm) |
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{ |
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m = xfrm; |
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|
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update (); |
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} |
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|
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void geometry_transform::draw (view &ctx) |
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{ |
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glPushMatrix (); |
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glMultMatrixf ((GLfloat *)&m); |
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g->draw (ctx); |
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glPopMatrix (); |
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} |
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|
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void geometry_anim::draw (view &ctx) |
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{ |
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matrix save_m = m; |
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|
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update (matrix::rotation (vx * timer.now, vec3 (1, 0, 0)) |
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* matrix::rotation (vy * timer.now, vec3 (0, 1, 0)) |
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* matrix::rotation (vz * timer.now, vec3 (0, 0, 1))); |
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|
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geometry_transform::draw (ctx); |
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|
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m = save_m; |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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void geometry_filter::set (geometry *g) |
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{ |
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this->g = g; |
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|
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if (g) |
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g->parent = this; |
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|
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update (); |
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} |
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|
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void geometry_filter::update () |
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{ |
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if (g) |
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{ |
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bbox = g->bbox; |
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geometry::update (); |
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} |
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} |
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|
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void geometry_filter::draw (view &ctx) |
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{ |
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g->draw (ctx); |
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} |
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|
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geometry_filter::~geometry_filter () |
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{ |
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delete g; |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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void geometry_container::update () |
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{ |
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bbox.reset (); |
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|
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for (iterator i = end (); i-- != begin (); ) |
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bbox.add ((*i)->bbox); |
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|
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geometry::update (); |
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} |
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|
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void geometry_container::add (geometry *g) |
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{ |
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push_back (g); |
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g->parent = this; |
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|
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update (); |
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} |
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|
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void geometry_container::draw (view &ctx) |
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{ |
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for (iterator i = end (); i-- != begin (); ) |
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(*i)->draw (ctx); |
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} |
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|
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geometry_container::~geometry_container () |
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{ |
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for (iterator i = end (); i-- != begin (); ) |
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delete *i; |
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|
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clear (); |
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} |
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|
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/////////////////////////////////////////////////////////////////////////// |
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|
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static void nurbs_error (GLenum errorCode) |
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{ |
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const GLubyte *estring; |
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estring = gluErrorString(errorCode); |
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fprintf (stderr, "Nurbs error: %s\n", estring); |
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} |
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|
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void errorCallback(GLenum errorCode) |
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{ |
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const GLubyte *estring; |
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|
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estring = gluErrorString(errorCode); |
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fprintf (stderr, "Tessellation Error: %s\n", estring); |
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exit (0); |
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} |
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void tcbBegin (GLenum prim) |
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{ |
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glBegin (prim); |
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} |
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void tcbVertex (void *data) |
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{ |
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glVertex3fv ((GLfloat *)data); |
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} |
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void tcbEnd () |
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{ |
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glEnd (); |
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} |
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void geometry_nurbs::set () |
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{ |
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// < XXX >: Testing CODE |
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int u, v; |
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for (u = 0; u < 4; u++) { |
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for (v = 0; v < 4; v++) { |
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ctlpoints[u][v][0] = 2.0*((GLfloat)u - 1.5); |
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ctlpoints[u][v][1] = 2.0*((GLfloat)v - 1.5); |
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|
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if ( (u == 1 || u == 2) && (v == 1 || v == 2)) |
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ctlpoints[u][v][2] = 3.0; |
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else |
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ctlpoints[u][v][2] = -3.0; |
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} |
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} |
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tess = gluNewTess(); |
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// </ XXX > |
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|
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glEnable(GL_AUTO_NORMAL); |
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nurb = gluNewNurbsRenderer (); |
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gluNurbsProperty (nurb, GLU_AUTO_LOAD_MATRIX, GL_FALSE); |
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gluNurbsProperty (nurb, GLU_DISPLAY_MODE, GLU_FILL); |
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gluNurbsProperty (nurb, GLU_NURBS_MODE, GLU_NURBS_TESSELLATOR); |
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gluNurbsProperty (nurb, GLU_SAMPLING_METHOD, GLU_OBJECT_PATH_LENGTH); |
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gluNurbsProperty (nurb, GLU_SAMPLING_TOLERANCE, 1.0); |
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gluNurbsCallback (nurb, GLU_ERROR, (GLvoid (*)()) nurbs_error); |
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gluNurbsCallback (nurb, GLU_NURBS_BEGIN, (GLvoid(*)()) tcbBegin); |
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gluNurbsCallback (nurb, GLU_NURBS_VERTEX,(GLvoid(*)()) tcbVertex); |
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gluNurbsCallback (nurb, GLU_NURBS_END, tcbEnd); |
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glDisable(GL_AUTO_NORMAL); |
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|
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} |
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|
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void geometry_nurbs::draw (view &ctx) |
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{ |
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GLfloat knots[8] = {0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0}; |
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|
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GLfloat mat_diffuse[] = { 0.7, 0.7, 0.7, 1.0 }; |
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GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 }; |
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GLfloat mat_shininess[] = { 100.0 }; |
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|
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glClearColor (0.0, 0.0, 0.0, 0.0); |
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glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse); |
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glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); |
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glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); |
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|
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|
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glEnable(GL_AUTO_NORMAL); |
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gluBeginSurface (nurb); |
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gluNurbsSurface (nurb, 8, knots, 8, knots, 4 * 3, 3, &ctlpoints[0][0][0], 4, 4, GL_MAP2_VERTEX_3); |
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gluEndSurface (nurb); |
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/* |
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glEnable(GL_AUTO_NORMAL); |
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glPushMatrix(); |
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GL_LG_DEBUG; |
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======= |
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|
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gluEndSurface (nurb); |
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>>>>>>> 1.40 |
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glDisable(GL_AUTO_NORMAL); |
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glPopMatrix(); |
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glFlush(); |
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*/ |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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entity::entity (geometry *g) |
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: geometry_filter(g) |
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, p(0,0,0) |
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{ |
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update (); |
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} |
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|
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entity::~entity () |
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{ |
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hide (); |
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} |
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|
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void entity::move (const vec3 &v) |
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{ |
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p = p + v; |
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|
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renormalize (orig, p); |
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|
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update (); |
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} |
| 377 |
|
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void entity::show () |
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{ |
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if (!o.size ()) |
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world.add (this); |
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} |
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|
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void entity::hide () |
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{ |
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for (vector<octant *>::iterator i = o.end (); i-- != o.begin (); ) |
| 387 |
(*i)->remove (this); |
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|
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o.clear (); |
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} |
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|
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void entity::update () |
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{ |
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if (!g) |
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return; |
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|
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bbox = g->bbox; |
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|
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a.x = orig.x + (soffs)floorf (bbox.a.x + p.x); |
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a.y = orig.y + (soffs)floorf (bbox.a.y + p.y); |
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a.z = orig.z + (soffs)floorf (bbox.a.z + p.z); |
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b.x = orig.x + (soffs)ceilf (bbox.b.x + p.x); |
| 403 |
b.y = orig.y + (soffs)ceilf (bbox.b.y + p.y); |
| 404 |
b.z = orig.z + (soffs)ceilf (bbox.b.z + p.z); |
| 405 |
|
| 406 |
if (o.size ()) |
| 407 |
{ |
| 408 |
hide (); |
| 409 |
show (); |
| 410 |
} |
| 411 |
} |
| 412 |
|
| 413 |
void entity::draw (view &ctx) |
| 414 |
{ |
| 415 |
sector diff = orig - ctx.orig; |
| 416 |
|
| 417 |
glPushMatrix (); |
| 418 |
glTranslatef (diff.x + p.x, diff.y + p.y, diff.z + p.z); |
| 419 |
g->draw (ctx); |
| 420 |
glPopMatrix (); |
| 421 |
} |
| 422 |
|
| 423 |
///////////////////////////////////////////////////////////////////////////// |
| 424 |
// |
| 425 |
|
| 426 |
#define SIZE 33 |
| 427 |
|
| 428 |
struct geometry_heightfield::node |
| 429 |
{ |
| 430 |
gl::vertex_buffer vb; |
| 431 |
gl::index_buffer ib; |
| 432 |
GLushort *ibp; |
| 433 |
|
| 434 |
node (vertex_t2f_n3f_v3f v[SIZE * SIZE]); |
| 435 |
}; |
| 436 |
|
| 437 |
geometry_heightfield::node::node (vertex_t2f_n3f_v3f v[SIZE * SIZE]) |
| 438 |
{ |
| 439 |
vb.set (v, SIZE * SIZE); |
| 440 |
ib.set (SIZE * SIZE * 4); |
| 441 |
ibp = (GLushort *)ib.map (); |
| 442 |
} |
| 443 |
|
| 444 |
geometry_heightfield::geometry_heightfield () |
| 445 |
{ |
| 446 |
update (); |
| 447 |
} |
| 448 |
|
| 449 |
void geometry_heightfield::update () |
| 450 |
{ |
| 451 |
bbox.a = sector (0, 0, 0); |
| 452 |
bbox.b = sector (1, 1, 1); |
| 453 |
|
| 454 |
geometry::update (); |
| 455 |
} |
| 456 |
|
| 457 |
void geometry_heightfield::draw (view &ctx) |
| 458 |
{ |
| 459 |
glBegin (GL_QUADS); |
| 460 |
glVertex3f (0.F, 0.F, 0.F); |
| 461 |
glVertex3f (0.F, 0.F, 1.F); |
| 462 |
glVertex3f (1.F, 0.F, 1.F); |
| 463 |
glVertex3f (1.F, 0.F, 0.F); |
| 464 |
glEnd (); |
| 465 |
} |
| 466 |
|
