C++ vsx_module_param_float::get方法代码示例

  void output(vsx_module_param_abs* param)
  {
    VSX_UNUSED(param);
    particles = in_particlesystem->get_addr();
    if (particles) {
      if (prev_num_particles != particles->particles->size())
      {
    	// remove all the old ones
    	/*for (unsigned long i = 0; i < gr.size(); i++)
    	{
    		delete gr[i];
    	}
        gr.reset_used(0);*/
        //printf("num particles: %d\n",particles->particles->size());
    	//printf("prev_num: %d\n",prev_num_particles);
        for (unsigned long i = prev_num_particles; i < particles->particles->size(); ++i) {
        	//if (i == prev_num_particles) printf("allocating again\n");
        	gr[i] = new gravity_strip;
          //printf("i: %d\n",i);
          gr[i]->init();
          gr[i]->init_strip();
        }
        prev_num_particles = particles->particles->size();
      }
      //printf("done alloc %d\n",particles->particles->size());

      for (unsigned long i = 0; i < particles->particles->size(); ++i) {
      	//gr[i].length = 0.0f;
      	gr[i]->width = ribbon_width->get();
				//gr[i].masses[1].mass = gr[i].masses[0].mass + ribbon_width->get();
				gr[i]->length = length->get();
				gr[i]->friction = friction->get();
        float tt = ((*particles->particles)[i].time/(*particles->particles)[i].lifetime);
        if (tt < 0.0f) tt = 0.0f;
        if (tt > 1.0f) tt = 1.0f;
			  gr[i]->color0[0] = color0->get(0)*tt;
			  gr[i]->color0[1] = color0->get(1)*tt;
			  gr[i]->color0[2] = color0->get(2)*tt;
			  gr[i]->color0[3] = color0->get(3)*tt;

			  gr[i]->color1[0] = color1->get(0);
			  gr[i]->color1[1] = color1->get(1);
			  gr[i]->color1[2] = color1->get(2);
			  gr[i]->step_freq = 10.0f * step_length->get();
		  	//if (last_update != engine->vtime) {
			  gr[i]->update(engine->dtime, (*(particles->particles))[i].pos.x, (*(particles->particles))[i].pos.y, (*(particles->particles))[i].pos.z);
					//last_upd ate = engine->vtime;
	  		//}
				//printf("%f, %f, %f\n", (*particles->particles)[i].pos.x, (*particles->particles)[i].pos.y, (*particles->particles)[i].pos.z);
			  gr[i]->render();
		//		printf("%d %d;;; %d\n",__LINE__,i, particles->particles->size());
        // add the delta-time to the time of the particle
        /*(*particles->particles)[i].pos.x += px*engine->dtime;
        (*particles->particles)[i].pos.y += py*engine->dtime;
        (*particles->particles)[i].pos.z += pz*engine->dtime;*/
      }
      //printf("done drawing\n");
    }
	render_result->set(1);
  }

  void setup_font()
  {
    if
    (
      (cur_font != font_in->get()) ||
      (cur_render_type !=render_type->get()) ||
      (cur_glyph_size != glyph_size->get())
    )
    {
      vsx::file *fp;
      if ((fp = engine_state->filesystem->f_open(font_in->get().c_str())) == NULL)
      {
        printf("font not found: %s\n",cur_font.c_str());
        return;
      }
      cur_font = font_in->get();
      cur_render_type = render_type->get();
      cur_glyph_size = glyph_size->get();

      if (ftfont) {
        delete ftfont;
        ftfont = 0;
      }
      if (ftfont2) {
        delete ftfont2;
        ftfont2 = 0;
      }
      unsigned long size = engine_state->filesystem->f_get_size(fp);
      char* fdata = (char*)malloc(size);
      unsigned long bread = engine_state->filesystem->f_read((void*)fdata, size, fp);
      if (bread == size)
      {
        switch (cur_render_type)
        {
          case 0:
            ftfont = new FTGLTextureFont((unsigned char*)fdata, size);
          break;
          case 1:
            ftfont = new FTGLPolygonFont((unsigned char*)fdata, size);
            ftfont2 = new FTGLOutlineFont((unsigned char*)fdata, size);
          break;
        }
        ftfont->FaceSize((unsigned int)round(cur_glyph_size));
        ftfont->CharMap(ft_encoding_unicode);
        if (ftfont2) {
          ftfont2->FaceSize((unsigned int)round(cur_glyph_size));
          ftfont2->CharMap(ft_encoding_unicode);
        }
        loading_done = true;
      }
      engine_state->filesystem->f_close(fp);
    }
  }

  void run() {
    if (p_updates != param_updates) {
      p_updates = param_updates;
      if (directory_path->get() != "") {
        if (old_path != directory_path->get()) {
          old_path = directory_path->get();
          std::list<vsx_string> files;
          //vsxfst tt;
          vsx_string engine_resources_base_path = engine->filesystem->get_base_path();

          get_files_recursive(engine_resources_base_path + DIRECTORY_SEPARATOR + directory_path->get(), &files);

          files_list.reset_used(0);
          for (std::list<vsx_string>::iterator it = files.begin(); it != files.end(); ++it) {
            if ((*it).find(".svn/") == -1)
            {
              files_list.push_back( (*it).substr(engine_resources_base_path.size()+1));
            }
          }
        }
      }
      if (files_list.size()) {
      	filename_count->set((float)files_list.size());
        unsigned long fid = (unsigned long)floor(file_id->get());
        if (fid >= files_list.size()) fid = files_list.size()-1;
        filename_result->set(files_list[fid]);
      }
    }
  }

void vsx_module_texture_rotate::run() {
//printf("rotate_begin\n");

	vsx_texture** texture_info_in = texture_info_param_in->get_addr();
	//printf("validness: %d\n",texture_info_param_in->valid);
//	if (texture_info_in->valid)
  if (texture_info_in)
  {

    texture_out->valid = (*texture_info_in)->valid;

//	if (texture_info_in->texture_info) {
  	texture_out->texture_info = (*texture_info_in)->texture_info;
//  }

  	float x = rotation_axis->get(0);
  	float y = rotation_axis->get(1);
  	float z = rotation_axis->get(2);
  	float a = rotation_angle->get()*360;
  	vsx_transform_obj* prev_transform = (*texture_info_in)->get_transform();
  	transform.set_previous_transform(prev_transform);
  	transform.update(a, x, y, z);
    //	if (texture_out)
  	texture_out->set_transform(&transform);
  	((vsx_module_param_texture*)texture_result)->set(texture_out);
  }	else {
    //printf("fooble\n");
    texture_result->valid = false;
  }
}

	void map()
	{
		unsigned long new_pts = floor(abs(points->get()));
		if(pts != new_pts)
		{
			unsigned int res = 0;
			if(pts < new_pts ||  pts > 4 * new_pts) res = new_pts * 2;
			pts = new_pts;
			for(int i = 0; i < 7; i++)
			{
				map(i, res);
			}
		}
		else
		{
			for(int i = 0; i < 7; i++)
			{
				if(seqs[i]->updates)
				{
					seqs[i]->updates = 0;
					map(i);
				}
			}
		}
	}

	void output(vsx_module_param_abs* param)
	{
		vsx_texture** t_a;
			t_a = texture_a_in->get_addr();
		vsx_texture** t_b;
			t_b = texture_b_in->get_addr();
		if (t_a && t_b) {
			((vsx_module_param_texture*)texture_a_out)->set(*t_a);
			((vsx_module_param_texture*)texture_b_out)->set(*t_b);
		}
		if (fade_pos_from_engine->get() != 0.0f)
		{
			fade_pos_out->set(fade_pos_in->get());
		} else
		{
			fade_pos_out->set((float)fmod(engine->real_vtime, 1.0f));
		}
	}

	void output(vsx_module_param_abs* param) {
		gr.friction = friction->get();
	  gr.color0[0] = color0->get(0);
	  gr.color0[1] = color0->get(1);
	  gr.color0[2] = color0->get(2);
	  gr.color0[3] = color0->get(3);

	  gr.color1[0] = color1->get(0);
	  gr.color1[1] = color1->get(1);
	  gr.color1[2] = color1->get(2);
	  gr.step_freq = 10.0f * step_length->get();
	  if (last_updated != engine->vtime)
	  {
			gr.update(engine->dtime, pos->get(0), pos->get(1), pos->get(2));
			last_updated = engine->vtime;
	  }
		gr.render();
	  render_result->set(1);
	}

  // this is run for each connection to this in-param.
  void output(vsx_module_param_abs* param) 
  {
    glMatrixMode(GL_MODELVIEW);
    glPushMatrix();
    // translation
    glTranslatef(position->get(0),position->get(1),position->get(2));
    // rotation
    glRotatef(
      (float)angle->get()*360, 
      rotation_axis->get(0), 
      rotation_axis->get(1), 
      rotation_axis->get(2)
    );
    // scaling
    glScalef(size->get(0), size->get(1), size->get(2));
    // color
    glColor4f(
      color_rgb->get(0),
      color_rgb->get(1),
      color_rgb->get(2),
      color_rgb->get(3)
    );

    glBegin(GL_QUADS);
      glTexCoord2f(0.0f,0.0f);
      glVertex3f(-1.0f, -1.0f, 0.0f);
      glTexCoord2f(0.0f,1.0f);
      glVertex3f(-1.0f,  1.0f, 0.0f);
      glTexCoord2f(1.0f,1.0f);
      glVertex3f( 1.0f,  1.0f, 0.0f);
      glTexCoord2f(1.0f,0.0f);
      glVertex3f( 1.0f, -1.0f, 0.0f);
    glEnd();

    if (border->get()) 
    {
      glEnable(GL_LINE_SMOOTH);
      glLineWidth(1.5);
      glEnable(GL_BLEND);
      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

      glBegin(GL_LINE_STRIP);
        glColor3f(0, 0, 0);
        glVertex3f(-2, -0.4f, 0);
        glVertex3f(-2, -0.2f, 0);
        glVertex3f( 2, -0.2f, 0);
        glVertex3f( 2, -0.4f, 0);
        glVertex3f(-2, -0.4f, 0);
      glEnd();
    }

    glPopMatrix();
    render_result->set(1);
    loading_done = true;
  }

 void run()
 {
 	if (drive->get() == 0)
   current_frame = (int)(engine->vtime * get_frame_rate());
   else
   current_frame = (int)(time->get() * get_frame_rate());
   if (current_frame != previous_frame) {
     //printf("r-");
     bitm.data=(long unsigned int*)get_frame_data(current_frame);
     bitm.timestamp++;
     previous_frame = current_frame;
    // printf("t-");
   }
   if (bitm.valid && bitm_timestamp != bitm.timestamp)
   {
     bitm_timestamp = bitm.timestamp;
     result1->set(bitm);
     loading_done = true;
   }
   if (current_frame>num_frames) current_frame=0;
 }

  void run() {
    vsx_mesh* p = mesh_in->get_addr();
    if (!p)
    {
      mesh_empty.timestamp = (int)(engine->real_vtime*1000.0f);
      mesh_out->set_p(mesh_empty);
      prev_timestamp = 0xFFFFFFFF;
      return;
    }

    debug = false;
    bool newMeshLoaded = false;


    //after a mesh change clone the mesh
    if (p && (prev_timestamp != p->timestamp)) {
      prev_timestamp = p->timestamp;
      mesh.data->vertices.reset_used(0);
      mesh.data->vertex_normals.reset_used(0);
      mesh.data->vertex_tex_coords.reset_used(0);
      mesh.data->vertex_colors.reset_used(0);
      mesh.data->faces.reset_used(0);

      for (unsigned int i = 0; i < p->data->vertices.size(); i++)
      {
        mesh.data->vertices[i] = p->data->vertices[i] + v;
        verticesSpeed[i] = vsx_vector(0, 0, 0);
      }

      for (unsigned int i = 0; i < p->data->vertex_normals.size(); i++) mesh.data->vertex_normals[i] = p->data->vertex_normals[i];
      for (unsigned int i = 0; i < p->data->vertex_tangents.size(); i++) mesh.data->vertex_tangents[i] = p->data->vertex_tangents[i];
      for (unsigned int i = 0; i < p->data->vertex_tex_coords.size(); i++) mesh.data->vertex_tex_coords[i] = p->data->vertex_tex_coords[i];
      for (unsigned int i = 0; i < p->data->vertex_colors.size(); i++) mesh.data->vertex_colors[i] = p->data->vertex_colors[i];
      for (unsigned int i = 0; i < p->data->faces.size(); i++) mesh.data->faces[i] = p->data->faces[i];

      //calc and store original face lengths
      faceLengths.reset_used();
      vsx_vector normal;
      vsx_vector len;
      vsx_vector hypVec;
      for (unsigned int i = 0; i < p->data->faces.size(); i++) {
        vsx_face& f = mesh.data->faces[i];
        vsx_vector& v0 = mesh.data->vertices[f.a];
        vsx_vector& v1 = mesh.data->vertices[f.b];
        vsx_vector& v2 = mesh.data->vertices[f.c];
        //calc face area
        normal.assign_face_normal(&v0, &v1, &v2);
        float area = normal.length() / 2.0f;
        faceAreas[i] = area;
        //facelengths a, b, c stored in vector x, y, z
        len.x = (v1 - v0).length();
        len.y = (v2 - v1).length();
        len.z = (v0 - v2).length();
        faceLengths.push_back(len);
      }
      mesh.timestamp++;
      param_updates = 0;

      newMeshLoaded = true;
      dtimeRest = 0.0f;
    }

    float stepSize = step_size->get();
    //float stepsPerSecond = steps_per_second->get();
    float gasExpansionFactor = gas_expansion_factor->get();
    float gridStiffnessFactor = grid_stiffness_factor->get();
    float dampingFactor =  damping_factor->get();
    float materialWeight = material_weight->get();
    float lowerBoundary = lower_boundary->get();

    //use engine->dtime; and dtimeRest
    //to repeat the calculation several times ((dtime + rest) * stepsPerSecond)



    //calculate volume
    float volume = 0.0f;
    vsx_face* face_p = mesh.data->faces.get_pointer();
    vsx_vector* vertex_p = mesh.data->vertices.get_pointer();
    vsx_vector* faces_length_p = faceLengths.get_pointer();

    verticesSpeed.allocate(mesh.data->vertices.size());
    vsx_vector* vertices_speed_p = verticesSpeed.get_pointer();

    float onedivsix = (1.0f / 6.0f);
    for(unsigned int i = 0; i < mesh.data->faces.size(); i++) {
      vsx_face& f = face_p[i];//mesh.data->faces[i];
      vsx_vector& v0 = vertex_p[f.a];
      vsx_vector& v2 = vertex_p[f.b];
      vsx_vector& v1 = vertex_p[f.c];

      volume += (v0.x * (v1.y - v2.y) +
           v1.x * (v2.y - v0.y) +
           v2.x * (v0.y - v1.y)) * (v0.z + v1.z + v2.z) * onedivsix;

    }

    //default gas_amount to volume of a new mesh i.e. no pressure
    if(newMeshLoaded) {
      gas_amount->set(volume);
//.........这里部分代码省略.........

  void output(vsx_module_param_abs* param)
  {
    VSX_UNUSED(param);
    if (text_in->updates)
    {
      if (process_lines())
      text_in->updates = 0;
    }
    if (text_alpha->get() <= 0)
      return;

    if (!ftfont)
    {
      user_message = "module||error loading font "+cur_font;
      return;
    }

    if (text_in->get() == "_")
      return;


    float obj_size = size->get();

    gl_state->matrix_mode (VSX_GL_MODELVIEW_MATRIX );
    gl_state->matrix_push();

    gl_state->matrix_rotate_f( (float)angle->get()*360, rotation_axis->get(0), rotation_axis->get(1), rotation_axis->get(2) );

    if (obj_size < 0)
      obj_size = 0;

    gl_state->matrix_scale_f( obj_size*0.8*0.01, obj_size*0.01, obj_size*0.01 );

    int l_align = align->get();
    float l_leading = leading->get();
    float ypos = 0;

    if (cur_render_type == 0)
      glEnable(GL_TEXTURE_2D);

    glColor4f(red->get(),green->get(),blue->get(),text_alpha->get());

    for (unsigned long i = 0; i < lines.size(); ++i)
    {
      float ll = limit_line->get();
      if (ll != -1.0f)
      {
        if (trunc(ll) != i) continue;
      }
      gl_state->matrix_push();
      if (l_align == 0)
      {
        gl_state->matrix_translate_f( 0, ypos, 0 );
      } else
      if (l_align == 1)
      {
        gl_state->matrix_translate_f( -lines[i].size_x*0.5f,ypos,0 );
      }
      if (l_align == 2)
      {
        gl_state->matrix_translate_f( -lines[i].size_x,ypos,0 );
      }

      if (cur_render_type == 1)
      {
        if (outline_alpha->get() > 0.0f && ftfont2) {
          float pre_linew;
          pre_linew = gl_state->line_width_get();
          gl_state->line_width_set( outline_thickness->get() );
          glColor4f(outline_color->get(0),outline_color->get(1),outline_color->get(2),outline_alpha->get()*outline_color->get(3));
          ftfont2->Render(lines[i].string.c_str());
          gl_state->line_width_set( pre_linew );
        }
        glColor4f(red->get(),green->get(),blue->get(),text_alpha->get());
      }

      ftfont->Render(lines[i].string.c_str());
      gl_state->matrix_pop();
      ypos += l_leading;
    }

    if (cur_render_type == 0)
      glDisable(GL_TEXTURE_2D);


    gl_state->matrix_pop();

    render_result->set(1);
    loading_done = true;
  }