Merge support for anaglyph stereo

[oweals/minetest.git] / src / game.cpp

diff --git a/src/game.cpp b/src/game.cpp
index edc3ce7417027b26a67a00ff120b5c2bc5273d5b..086293894924bb6637e8ce0b4069c9ca42010b6e 100644 (file)
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -2750,6 +2750,76 @@ void the_game(
                {
                        TimeTaker timer("smgr");
                        smgr->drawAll();
+                       
+                       if(g_settings->getBool("anaglyph"))
+                       {
+                               irr::core::vector3df oldPosition = camera.getCameraNode()->getPosition();
+                               irr::core::vector3df oldTarget   = camera.getCameraNode()->getTarget();
+
+                               irr::core::matrix4 startMatrix   = camera.getCameraNode()->getAbsoluteTransformation();
+
+                               irr::core::vector3df focusPoint  = (camera.getCameraNode()->getTarget() -
+                                                                                camera.getCameraNode()->getAbsolutePosition()).setLength(1) +
+                                                                                camera.getCameraNode()->getAbsolutePosition() ;
+
+                               //Left eye...
+                               irr::core::vector3df leftEye;
+                               irr::core::matrix4   leftMove;
+
+                               leftMove.setTranslation( irr::core::vector3df(-g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
+                               leftEye=(startMatrix*leftMove).getTranslation();
+
+                               //clear the depth buffer, and color
+                               driver->beginScene( true, true, irr::video::SColor(0,200,200,255) );
+
+                               driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_RED;
+                               driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
+                               driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX + 
+                                                                                                                        irr::scene::ESNRP_SOLID +
+                                                                                                                        irr::scene::ESNRP_TRANSPARENT +
+                                                                                                                        irr::scene::ESNRP_TRANSPARENT_EFFECT +
+                                                                                                                        irr::scene::ESNRP_SHADOW;
+
+                               camera.getCameraNode()->setPosition( leftEye );
+                               camera.getCameraNode()->setTarget( focusPoint );
+
+                               smgr->drawAll(); // 'smgr->drawAll();' may go here
+
+
+                               //Right eye...
+                               irr::core::vector3df rightEye;
+                               irr::core::matrix4   rightMove;
+
+                               rightMove.setTranslation( irr::core::vector3df(g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
+                               rightEye=(startMatrix*rightMove).getTranslation();
+
+                               //clear the depth buffer
+                               driver->clearZBuffer();
+
+                               driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_GREEN + irr::video::ECP_BLUE;
+                               driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
+                               driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX +
+                                                                                                                        irr::scene::ESNRP_SOLID +
+                                                                                                                        irr::scene::ESNRP_TRANSPARENT +
+                                                                                                                        irr::scene::ESNRP_TRANSPARENT_EFFECT +
+                                                                                                                        irr::scene::ESNRP_SHADOW;
+
+                               camera.getCameraNode()->setPosition( rightEye );
+                               camera.getCameraNode()->setTarget( focusPoint );
+
+                               smgr->drawAll(); // 'smgr->drawAll();' may go here
+
+
+                               //driver->endScene();
+
+                               driver->getOverrideMaterial().Material.ColorMask=irr::video::ECP_ALL;
+                               driver->getOverrideMaterial().EnableFlags=0;
+                               driver->getOverrideMaterial().EnablePasses=0;
+
+                               camera.getCameraNode()->setPosition( oldPosition );
+                               camera.getCameraNode()->setTarget( oldTarget );
+                       }
+
                        scenetime = timer.stop(true);
                }