libgender/entity.C

#include <algorithm>

using namespace std;

#include "entity.h"
#include "oct.h"
#include "view.h"

#include <GL/glext.h>

entity_base::entity_base ()
{
  orig.x = orig.y = orig.z = 0;
}

entity_base::~entity_base ()
{
  hide ();
}

void entity_base::update_bbox ()
{
  if (parent)
    parent->update_bbox ();
}

void entity_base::hide ()
{
  for (vector<octant *>::iterator i = o.end (); i-- != o.begin (); )
    (*i)->remove (this);

  o.clear ();
}

void entity_base::display (draw_context &ctx)
{
  if (ctx.may_draw (this))
    draw (ctx);
}

/////////////////////////////////////////////////////////////////////////////

void entity_filter::update_bbox ()
{
  bbox = translate (e->bbox, e->orig, orig);

  entity_base::update_bbox ();
}

void entity_filter::show ()
{
  entity_base::show ();

  e->show ();
}

void entity_filter::draw (draw_context &ctx)
{
  e->display (ctx);
}

entity_filter::~entity_filter ()
{
  delete e;
}

/////////////////////////////////////////////////////////////////////////////

void entity_container::update_bbox ()
{
  bbox.reset ();

  for (iterator i = end (); i-- != begin (); )
    {
      (*i)->update_bbox ();
      bbox.add ((*i)->bbox);
    }
}

void entity_container::show ()
{
  entity_base::show ();

  for (iterator i = end (); i-- != begin (); )
    (*i)->show ();
}

void entity_container::draw (draw_context &ctx)
{
  for (iterator i = end (); i-- != begin (); )
    (*i)->display (ctx);
}

entity_container::~entity_container ()
{
  hide ();

  for (iterator i = end (); i-- != begin (); )
    delete *i;
 
  clear ();
}

/////////////////////////////////////////////////////////////////////////////

template class entity_opengl1d<GL_POINTS>;
template class entity_opengl1d<GL_LINES>;
template class entity_opengl1d<GL_LINE_STRIP>;
template class entity_opengl1d<GL_LINE_LOOP>;
template class entity_opengl2d<GL_TRIANGLES>;
template class entity_opengl2d<GL_TRIANGLE_STRIP>;
template class entity_opengl2d<GL_TRIANGLE_FAN>;
template class entity_opengl2d<GL_QUADS>;
template class entity_opengl2d<GL_QUAD_STRIP>;
template class entity_opengl2d<GL_POLYGON>;

template<GLenum type>
void entity_opengl1d<type>::update_bbox ()
{
  bbox.reset ();

  for (vector<vertex1d>::iterator i = end (); i-- != begin (); )
    bbox.add (i->p);

  entity_base::update_bbox ();
}

template<GLenum type>
void entity_opengl2d<type>::update_bbox ()
{
  for (vector<vertex2d>::iterator i = end (); i-- != begin (); )
    bbox.add (i->p);

  entity_base::update_bbox ();
}

template<GLenum type>
void entity_opengl1d<type>::draw (draw_context &ctx)
{
  glBegin (type);

  for (iterator i = begin (); i < end (); ++i)
    {
      glColor3fv ((GLfloat *)&i->c);
      glVertex3fv ((GLfloat *)&i->p);
    }

  glEnd ();
}

template<GLenum type>
void entity_opengl2d<type>::draw (draw_context &ctx)
{
  if (!list)
    {
      list = glGenLists (1);
      glNewList (list, GL_COMPILE);

      glMaterialfv (GL_FRONT, GL_DIFFUSE,  (GLfloat *)&m.diffuse);
      glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&m.specular);
      glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&m.emission);
      glMaterialf  (GL_FRONT, GL_SHININESS, m.shininess);

#if 0
      glBegin (type);
         
      for (iterator i = begin (); i < end (); ++i)
        {
          glTexCoord2fv ((GLfloat *)&i->t);
          glNormal3fv ((GLfloat *)&i->n);
          glVertex3fv ((GLfloat *)&i->p);
        }

      glEnd ();
#else
      glEnableClientState (GL_VERTEX_ARRAY);
      glVertexPointer (3, GL_FLOAT, sizeof (vertex2d), (void *)&begin ()->p);
      glEnableClientState (GL_NORMAL_ARRAY);
      glNormalPointer (GL_FLOAT, sizeof (vertex2d), (void *)&begin ()->n);
      glEnableClientState (GL_TEXTURE_COORD_ARRAY);
      glTexCoordPointer (2, GL_FLOAT, sizeof (vertex2d), (void *)&begin ()->t);

      glDrawArrays (type, 0, size ());
#endif

      glEndList ();

      clear ();
    }

  glPushMatrix ();
  const sector &corig = ctx.v.orig;
  glTranslatef (corig.x - orig.x, corig.y - orig.y, corig.z - orig.z);
  glCallList (list);
  glPopMatrix ();
}

/////////////////////////////////////////////////////////////////////////////

entity_transform::entity_transform ()
{
  m.identity ();
}

void entity_transform::update_bbox ()
{
  bbox = translate (e->bbox, e->orig, orig);

  entity_base::update_bbox ();
}

void entity_transform::show ()
{
  entity_base::show ();
}

void entity_transform::draw (draw_context &ctx)
{
  glPushMatrix ();
  glMultMatrixf ((GLfloat *)&m);
  e->draw (ctx);
  glPopMatrix ();
}

void entity_anim::draw (draw_context &ctx)
{
  gl_matrix save_m = m;

  m.rotate (vx * timer.now, vec3 (1, 0, 0));
  m.rotate (vy * timer.now, vec3 (0, 1, 0));
  m.rotate (vz * timer.now, vec3 (0, 0, 1));
  entity_transform::draw (ctx);

  m = save_m;
}


Revision:	1.23
Committed:	Sun Oct 3 23:59:30 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.22:	+11 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#include <algorithm>
2
3			using namespace std;
4
5			#include "entity.h"
6	root	1.4	#include "oct.h"
7	root	1.13	#include "view.h"
8	root	1.1
9	root	1.18	#include <GL/glext.h>
10
11	root	1.21	entity_base::entity_base ()
12			{
13			orig.x = orig.y = orig.z = 0;
14			}
15
16			entity_base::~entity_base ()
17			{
18			hide ();
19			}
20
21	root	1.1	void entity_base::update_bbox ()
22			{
23			if (parent)
24			parent->update_bbox ();
25			}
26
27			void entity_base::hide ()
28			{
29			for (vector<octant *>::iterator i = o.end (); i-- != o.begin (); )
30			(*i)->remove (this);
31
32			o.clear ();
33			}
34
35	root	1.21	void entity_base::display (draw_context &ctx)
36			{
37			if (ctx.may_draw (this))
38	root	1.22	draw (ctx);
39	root	1.21	}
40
41			/////////////////////////////////////////////////////////////////////////////
42
43	root	1.1	void entity_filter::update_bbox ()
44			{
45	root	1.22	bbox = translate (e->bbox, e->orig, orig);
46
47	root	1.1	entity_base::update_bbox ();
48			}
49
50	root	1.21	void entity_filter::show ()
51	root	1.1	{
52	root	1.22	entity_base::show ();
53	root	1.8
54	root	1.21	e->show ();
55	root	1.1	}
56
57	root	1.13	void entity_filter::draw (draw_context &ctx)
58	root	1.1	{
59	root	1.21	e->display (ctx);
60	root	1.1	}
61
62			entity_filter::~entity_filter ()
63			{
64			delete e;
65			}
66
67	root	1.21	/////////////////////////////////////////////////////////////////////////////
68	root	1.1
69			void entity_container::update_bbox ()
70			{
71			bbox.reset ();
72
73			for (iterator i = end (); i-- != begin (); )
74			{
75			(*i)->update_bbox ();
76			bbox.add ((*i)->bbox);
77			}
78			}
79
80	root	1.21	void entity_container::show ()
81	root	1.1	{
82	root	1.22	entity_base::show ();
83	root	1.8
84	root	1.1	for (iterator i = end (); i-- != begin (); )
85	root	1.21	(*i)->show ();
86	root	1.1	}
87
88	root	1.13	void entity_container::draw (draw_context &ctx)
89	root	1.1	{
90			for (iterator i = end (); i-- != begin (); )
91	root	1.21	(*i)->display (ctx);
92	root	1.1	}
93
94			entity_container::~entity_container ()
95			{
96			hide ();
97
98			for (iterator i = end (); i-- != begin (); )
99			delete *i;
100
101			clear ();
102	root	1.2	}
103
104	root	1.21	/////////////////////////////////////////////////////////////////////////////
105
106	root	1.12	template class entity_opengl1d<GL_POINTS>;
107			template class entity_opengl1d<GL_LINES>;
108			template class entity_opengl1d<GL_LINE_STRIP>;
109			template class entity_opengl1d<GL_LINE_LOOP>;
110			template class entity_opengl2d<GL_TRIANGLES>;
111			template class entity_opengl2d<GL_TRIANGLE_STRIP>;
112			template class entity_opengl2d<GL_TRIANGLE_FAN>;
113			template class entity_opengl2d<GL_QUADS>;
114			template class entity_opengl2d<GL_QUAD_STRIP>;
115			template class entity_opengl2d<GL_POLYGON>;
116	root	1.2
117			template<GLenum type>
118			void entity_opengl1d<type>::update_bbox ()
119			{
120	root	1.6	bbox.reset ();
121
122			for (vector<vertex1d>::iterator i = end (); i-- != begin (); )
123			bbox.add (i->p);
124
125	root	1.2	entity_base::update_bbox ();
126			}
127
128			template<GLenum type>
129			void entity_opengl2d<type>::update_bbox ()
130			{
131	root	1.7	for (vector<vertex2d>::iterator i = end (); i-- != begin (); )
132	root	1.6	bbox.add (i->p);
133
134	root	1.2	entity_base::update_bbox ();
135			}
136
137			template<GLenum type>
138	root	1.13	void entity_opengl1d<type>::draw (draw_context &ctx)
139	root	1.2	{
140			glBegin (type);
141
142			for (iterator i = begin (); i < end (); ++i)
143			{
144	root	1.22	glColor3fv ((GLfloat *)&i->c);
145	root	1.2	glVertex3fv ((GLfloat *)&i->p);
146			}
147
148			glEnd ();
149			}
150
151			template<GLenum type>
152	root	1.13	void entity_opengl2d<type>::draw (draw_context &ctx)
153	root	1.2	{
154	root	1.14	if (!list)
155			{
156	root	1.17	list = glGenLists (1);
157			glNewList (list, GL_COMPILE);
158	root	1.14
159	root	1.5	glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *)&m.diffuse);
160			glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *)&m.specular);
161			glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *)&m.emission);
162	root	1.9	glMaterialf (GL_FRONT, GL_SHININESS, m.shininess);
163	root	1.15
164	root	1.20	#if 0
165	root	1.15	glBegin (type);
166	root	1.14
167			for (iterator i = begin (); i < end (); ++i)
168	root	1.4	{
169			glTexCoord2fv ((GLfloat *)&i->t);
170			glNormal3fv ((GLfloat *)&i->n);
171	root	1.14	glVertex3fv ((GLfloat *)&i->p);
172	root	1.4	}
173
174	root	1.14	glEnd ();
175	root	1.19	#else
176			glEnableClientState (GL_VERTEX_ARRAY);
177			glVertexPointer (3, GL_FLOAT, sizeof (vertex2d), (void *)&begin ()->p);
178			glEnableClientState (GL_NORMAL_ARRAY);
179			glNormalPointer (GL_FLOAT, sizeof (vertex2d), (void *)&begin ()->n);
180			glEnableClientState (GL_TEXTURE_COORD_ARRAY);
181			glTexCoordPointer (2, GL_FLOAT, sizeof (vertex2d), (void *)&begin ()->t);
182
183			glDrawArrays (type, 0, size ());
184			#endif
185	root	1.22
186	root	1.17	glEndList ();
187	root	1.19
188			clear ();
189	root	1.2	}
190
191	root	1.22	glPushMatrix ();
192			const sector &corig = ctx.v.orig;
193			glTranslatef (corig.x - orig.x, corig.y - orig.y, corig.z - orig.z);
194	root	1.17	glCallList (list);
195	root	1.22	glPopMatrix ();
196			}
197
198			/////////////////////////////////////////////////////////////////////////////
199
200			entity_transform::entity_transform ()
201			{
202			m.identity ();
203			}
204
205			void entity_transform::update_bbox ()
206			{
207			bbox = translate (e->bbox, e->orig, orig);
208
209			entity_base::update_bbox ();
210			}
211
212			void entity_transform::show ()
213			{
214			entity_base::show ();
215			}
216
217			void entity_transform::draw (draw_context &ctx)
218			{
219			glPushMatrix ();
220			glMultMatrixf ((GLfloat *)&m);
221			e->draw (ctx);
222			glPopMatrix ();
223	root	1.2	}
224
225	root	1.23	void entity_anim::draw (draw_context &ctx)
226			{
227			gl_matrix save_m = m;
228
229			m.rotate (vx * timer.now, vec3 (1, 0, 0));
230			m.rotate (vy * timer.now, vec3 (0, 1, 0));
231			m.rotate (vz * timer.now, vec3 (0, 0, 1));
232			entity_transform::draw (ctx);
233
234			m = save_m;
235			}
236	root	1.1
237