void Console::glRender(magnet::GL::FBO&, const magnet::GL::Camera& camera, RenderMode mode)
{
if (_showGrid->get_active())
{
using namespace magnet::GL;
Context& context = _axis.getContext();
GLMatrix old_model_view
= context.getAttachedShader()["ViewMatrix"].as<std::tr1::array<GLfloat, 16> >();
context.getAttachedShader()["ViewMatrix"]
= old_model_view
* GLMatrix::translate(camera.getViewPlanePosition())
* GLMatrix::rotate(-camera.getPan(), Vector(0, 1, 0))
* GLMatrix::rotate(-camera.getTilt(), Vector(1, 0, 0));
context.color(1,1,1,1);
//Back face
context.setAttribute(Context::instanceOriginAttrIndex, 0, 0, -camera.getScreenPlaneWidth(), 0);
context.setAttribute(Context::instanceScaleAttrIndex,
camera.getScreenPlaneWidth(),
camera.getScreenPlaneHeight(), 1);
_grid.glRender();
//Sides
context.setAttribute(Context::instanceOriginAttrIndex,
0.5 * camera.getScreenPlaneWidth(), 0,
-0.5 * camera.getScreenPlaneWidth(), 0);
context.rotation(M_PI / 2, Vector(0, 1, 0));
_grid.glRender(); //Right side
context.setAttribute(Context::instanceOriginAttrIndex,
-0.5 * camera.getScreenPlaneWidth(), 0,
-0.5 * camera.getScreenPlaneWidth(), 0);
_grid.glRender(); //Left side
//Top and bottom
context.rotation(M_PI / 2, Vector(1, 0, 0));
context.setAttribute(Context::instanceScaleAttrIndex,
camera.getScreenPlaneWidth(),
camera.getScreenPlaneWidth(), 1);
context.setAttribute(Context::instanceOriginAttrIndex, 0,
-0.5 * camera.getScreenPlaneHeight(),
-0.5 * camera.getScreenPlaneWidth(), 0);
_grid.glRender();//bottom
context.setAttribute(Context::instanceOriginAttrIndex, 0,
0.5 * camera.getScreenPlaneHeight(),
-0.5 * camera.getScreenPlaneWidth(), 0);
_grid.glRender();//top
context.getAttachedShader()["ViewMatrix"] = old_model_view;
}
}
void
Console::interfaceRender(const magnet::GL::Camera& camera)
{
//Only draw if the console has something in it or if it's visible
if (_consoleEntries.empty() || !_visible) return;
//Disable anything that might affect the rastering
glDisable(GL_DEPTH_TEST);
using namespace magnet::GL;
Context& context = _axis.getContext();
//Draw the console in orthograpic projection
context.cleanupAttributeArrays();
// if (_showConsole->get_active())
// {
// float lineHeight = _consoleFont->FaceSize() / (0.5f * _viewPort->getHeight());
// float consoleHeight = 1.0f - lineHeight;
//
// //Calculate how long since the last redraw
// int tdelta = glutGet(GLUT_ELAPSED_TIME) - _glutLastTime;
// _glutLastTime = glutGet(GLUT_ELAPSED_TIME);
//
// glColor3f(_consoleTextColor[0], _consoleTextColor[1],
// _consoleTextColor[2]);
//
// glRasterPos3f(-1.0, consoleHeight, 0);
// _consoleLayout->Render(_consoleEntries.front().second.c_str());
// consoleHeight -= lineHeight;
//
// for (std::list<consoleEntry>::iterator iPtr = ++_consoleEntries.begin();
// iPtr != _consoleEntries.end();)
// {
// //Fade the color based on it's time in the queue
// glColor4f(_consoleTextColor[0], _consoleTextColor[1],
// _consoleTextColor[2], 1.0f - iPtr->first / 1000.0f);
// glRasterPos3f(-1, consoleHeight, 0);
// _consoleLayout->Render(iPtr->second.c_str());
// iPtr->first += tdelta;
// consoleHeight -= lineHeight;
//
// std::list<consoleEntry>::iterator prev = iPtr++;
// //If this element is invisible, erase it
// if (prev->first > 1000) _consoleEntries.erase(prev);
// }
// }
if (_showAxis->get_active())
{
/////////////////RENDER THE AXIS//////////////////////////////////////////////
const GLdouble nearPlane = 0.1,
axisScale = 0.09;
//The axis is in a little 100x100 pixel area in the lower left
std::tr1::array<GLint, 4> oldviewport = context.getViewport();
context.setViewport(0,0,100,100);
std::tr1::array<GLfloat, 16> oldproj
= context.getAttachedShader()["ProjectionMatrix"].as<std::tr1::array<GLfloat, 16> >();
std::tr1::array<GLfloat, 16> oldview
= context.getAttachedShader()["ViewMatrix"].as<std::tr1::array<GLfloat, 16> >();
GLMatrix viewMatrix
= GLMatrix::translate(0, 0, -(nearPlane + axisScale))
* GLMatrix::rotate(camera.getTilt(), Vector(1, 0, 0))
* GLMatrix::rotate(camera.getPan(), Vector(0, 1, 0))
* GLMatrix::scale(axisScale, axisScale, axisScale);
GLMatrix projectionMatrix
= GLMatrix::perspective(45, 1, nearPlane, 1000);
context.getAttachedShader()["ViewMatrix"] = viewMatrix;
context.getAttachedShader()["ProjectionMatrix"] = projectionMatrix;
context.color(0.5f,0.5f,0.5f,0.8f);
_axis.glRender();
_cairoOverlay.glRender(projectionMatrix * viewMatrix);
context.setViewport(oldviewport);
context.getAttachedShader()["ProjectionMatrix"] = oldproj;
context.getAttachedShader()["ViewMatrix"] = oldview;
}
//Restore GL state
glEnable(GL_DEPTH_TEST);
}