source/engineer/placementghost.cpp

   1 #include <msp/gl/box.h>
   2 #include <msp/gl/meshbuilder.h>
   3 #include <msp/gl/renderer.h>
   4 #include <msp/gl/technique.h>
   5 #include "libr2c2/vehicletype.h"
   6 #include "placementghost.h"
   7
   8 using namespace Msp;
   9 using namespace R2C2;
  10
  11 PlacementGhost::PlacementGhost(Layout3D &a, const VehicleType &t):
  12         layout(a),
  13         type(t),
  14         placement(type),
  15         mesh(new GL::Mesh((GL::VERTEX3, GL::NORMAL3))),
  16         object(new GL::Object(mesh, &layout.get_catalogue().get<GL::Technique>("ghost.technique")))
  17 {
  18         GL::MeshBuilder bld(*mesh);
  19         float l = type.get_length();
  20         float w = type.get_width();
  21         float h = type.get_height();
  22         GL::BoxBuilder(GL::Vector3(-l/2, -w/2, 0), GL::Vector3(l, w, h)).build(bld);
  23
  24         layout.get_scene().add(*this);
  25 }
  26
  27 PlacementGhost::~PlacementGhost()
  28 {
  29         layout.get_scene().remove(*this);
  30
  31         delete object;
  32         delete mesh;
  33 }
  34
  35 void PlacementGhost::place(const TrackOffsetIter &track)
  36 {
  37         placement.place(track, VehiclePlacement::BACK_BUFFER);
  38 }
  39
  40 void PlacementGhost::place_before(const PlacementGhost &other)
  41 {
  42         placement.place_before(other.placement);
  43 }
  44
  45 void PlacementGhost::render(GL::Renderer &renderer, const GL::Tag &tag) const
  46 {
  47         if(!object->get_technique()->has_pass(tag))
  48                 return;
  49
  50         GL::Renderer::Push push(renderer);
  51
  52         OrientedPoint point = placement.get_point();
  53         GL::Matrix matrix;
  54         matrix.translate(point.position);
  55         matrix.rotate(point.rotation, 0, 0, 1);
  56         renderer.matrix_stack() *= matrix;
  57
  58         object->render(renderer, tag);
  59 }