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#include <algorithm> |
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#include <cmath> |
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|
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using namespace std; |
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|
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#include "entity.h" |
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#include "oct.h" |
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|
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void entity_base::update_bbox () |
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{ |
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if (parent) |
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parent->update_bbox (); |
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} |
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|
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void entity_base::hide () |
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{ |
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for (vector<octant *>::iterator i = o.end (); i-- != o.begin (); ) |
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(*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_filter::update_bbox () |
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{ |
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bbox = e->bbox; |
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entity_base::update_bbox (); |
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} |
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|
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void entity_filter::show (const sector &sec) |
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{ |
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e->show (sec); |
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} |
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|
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void entity_filter::draw (const draw_context &ctx) |
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{ |
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e->draw (ctx); |
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} |
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|
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entity_filter::~entity_filter () |
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{ |
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delete e; |
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} |
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|
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void entity::show (const sector &sec) |
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{ |
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show (); |
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} |
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|
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void entity::show () |
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{ |
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e->show (this->sec); |
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} |
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|
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void entity::draw (const draw_context &ctx) |
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{ |
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glPushMatrix (); |
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glTranslated (-sec.x, -sec.y, -sec.z); |
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e->draw (ctx); |
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glPopMatrix (); |
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} |
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|
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void entity_container::update_bbox () |
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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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{ |
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(*i)->update_bbox (); |
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bbox.add ((*i)->bbox); |
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} |
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} |
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|
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void entity_container::show (const sector &sec) |
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{ |
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for (iterator i = end (); i-- != begin (); ) |
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(*i)->show (sec); |
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} |
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|
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void entity_container::draw (const draw_context &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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entity_container::~entity_container () |
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{ |
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hide (); |
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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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template entity_opengl1d<GL_POINTS>; |
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template entity_opengl1d<GL_LINES>; |
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template entity_opengl1d<GL_LINE_STRIP>; |
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template entity_opengl1d<GL_LINE_LOOP>; |
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template entity_opengl2d<GL_TRIANGLES>; |
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template entity_opengl2d<GL_TRIANGLE_STRIP>; |
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template entity_opengl2d<GL_TRIANGLE_FAN>; |
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template entity_opengl2d<GL_QUADS>; |
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template entity_opengl2d<GL_QUAD_STRIP>; |
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template entity_opengl2d<GL_POLYGON>; |
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|
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template<GLenum type> |
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void entity_opengl1d<type>::update_bbox () |
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{ |
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bbox.reset (); |
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|
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for (vector<vertex1d>::iterator i = end (); i-- != begin (); ) |
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bbox.add (i->p); |
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|
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entity_base::update_bbox (); |
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} |
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|
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template<GLenum type> |
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void entity_opengl2d<type>::update_bbox () |
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{ |
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for (vector<vertex1d>::iterator i = end (); i-- != begin (); ) |
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bbox.add (i->p); |
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|
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entity_base::update_bbox (); |
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} |
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|
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template<GLenum type> |
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void entity_opengl1d<type>::draw (const draw_context &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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{ |
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if (ctx.mode == draw_context::LIGHTED) |
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glColor3fv ((GLfloat *)&i->c); |
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|
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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 entity_opengl2d<type>::draw (const draw_context &ctx) |
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{ |
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glBegin (type); |
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|
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if (ctx.mode == draw_context::LIGHTED) |
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{ |
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glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *)&m.diffuse); |
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glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&m.specular); |
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glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&m.emission); |
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glMaterialf (GL_FRONT, GL_SHININESS, m.shininess); |
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} |
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|
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for (iterator i = begin (); i < end (); ++i) |
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{ |
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if (ctx.mode == draw_context::LIGHTED) |
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{ |
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glTexCoord2fv ((GLfloat *)&i->t); |
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glNormal3fv ((GLfloat *)&i->n); |
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} |
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|
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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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} |
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|
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template<GLenum type> |
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void entity_opengl1d<type>::show (const sector &sec) |
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{ |
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} |
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|
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template<GLenum type> |
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void entity_opengl2d<type>::show (const sector &sec) |
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{ |
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} |
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|
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void view::draw (const draw_context &ctx) |
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{ |
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glViewport (0, 0, w, h); |
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|
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glMatrixMode (GL_PROJECTION); |
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glLoadIdentity (); |
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|
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double aspect = (double)w/h; |
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double zNear = 0.0001; |
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double zFar = 1000.; |
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|
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{ |
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GLdouble xmin, xmax, ymin, ymax; |
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ymax = zNear * tan (fov * (M_PI / 360.0)); |
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ymin = -ymax; |
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xmin = ymin * aspect; |
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xmax = ymax * aspect; |
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glFrustum(xmin, xmax, ymin, ymax, zNear, zFar); |
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} |
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|
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vec3 rz = -d; |
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vec3 rx = cross (u, rz); |
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vec3 ry = cross (rz, rx); |
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|
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GLfloat m[4][4]; |
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m[0][0] = rx.x; m[0][1] = rx.y; m[0][2] = rx.z; m[0][3] = 0; |
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m[1][0] = ry.x; m[1][1] = ry.y; m[1][2] = ry.z; m[1][3] = 0; |
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m[2][0] = rz.x; m[2][1] = rz.y; m[2][2] = rz.z; m[2][3] = 0; |
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m[3][0] = 0; m[3][1] = 0; m[3][2] = 0; m[3][3] = 1; |
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glMultMatrixf ((GLfloat *)m); |
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|
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glTranslatef (-p.x, -p.y, -p.z); |
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glMatrixMode (GL_MODELVIEW); |
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glLoadIdentity (); |
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|
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world.draw (ctx); |
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} |
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