New 3D Mode: Pageflip

[minetest.git] / src / drawscene.cpp

diff --git a/src/drawscene.cpp b/src/drawscene.cpp
index c3c3b2ef207d2c2e3b739104a8585d77f756b7ee..c716ca0d4093982d91d72ee0e312aab9f62246ee 100644 (file)
--- a/src/drawscene.cpp
+++ b/src/drawscene.cpp
@@ -18,7 +18,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "drawscene.h"
-#include "main.h" // for g_settings
 #include "settings.h"
 #include "clouds.h"
 #include "clientmap.h"
@@ -405,6 +404,84 @@ void draw_top_bottom_3d_mode(Camera& camera, bool show_hud,
        camera.getCameraNode()->setTarget(oldTarget);
 }
 
+void draw_pageflip_3d_mode(Camera& camera, bool show_hud,
+               Hud& hud, std::vector<aabb3f> hilightboxes, video::IVideoDriver* driver,
+               scene::ISceneManager* smgr, const v2u32& screensize,
+               bool draw_wield_tool, Client& client, gui::IGUIEnvironment* guienv,
+               video::SColor skycolor)
+{
+       /* preserve old setup*/
+       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...
+       driver->setRenderTarget(irr::video::ERT_STEREO_LEFT_BUFFER);
+
+       irr::core::vector3df leftEye;
+       irr::core::matrix4 leftMove;
+       leftMove.setTranslation(
+                       irr::core::vector3df(-g_settings->getFloat("3d_paralax_strength"),
+                                       0.0f, 0.0f));
+       leftEye = (startMatrix * leftMove).getTranslation();
+
+       //clear the depth buffer, and color
+       driver->beginScene(true, true, irr::video::SColor(200, 200, 200, 255));
+       camera.getCameraNode()->setPosition(leftEye);
+       camera.getCameraNode()->setTarget(focusPoint);
+       smgr->drawAll();
+       driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+
+       if (show_hud) {
+               draw_selectionbox(driver, hud, hilightboxes, show_hud);
+
+               if (draw_wield_tool)
+                       camera.drawWieldedTool(&leftMove);
+
+               hud.drawHotbar(client.getPlayerItem());
+               hud.drawLuaElements(camera.getOffset());
+       }
+
+       guienv->drawAll();
+
+       //Right eye...
+       driver->setRenderTarget(irr::video::ERT_STEREO_RIGHT_BUFFER);
+
+       irr::core::vector3df rightEye;
+       irr::core::matrix4 rightMove;
+       rightMove.setTranslation(
+                       irr::core::vector3df(g_settings->getFloat("3d_paralax_strength"),
+                                       0.0f, 0.0f));
+       rightEye = (startMatrix * rightMove).getTranslation();
+
+       //clear the depth buffer, and color
+       driver->beginScene(true, true, irr::video::SColor(200, 200, 200, 255));
+       camera.getCameraNode()->setPosition(rightEye);
+       camera.getCameraNode()->setTarget(focusPoint);
+       smgr->drawAll();
+       driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+
+       if (show_hud) {
+               draw_selectionbox(driver, hud, hilightboxes, show_hud);
+
+               if (draw_wield_tool)
+                       camera.drawWieldedTool(&rightMove);
+
+               hud.drawHotbar(client.getPlayerItem());
+               hud.drawLuaElements(camera.getOffset());
+       }
+
+       guienv->drawAll();
+
+       camera.getCameraNode()->setPosition(oldPosition);
+       camera.getCameraNode()->setTarget(oldTarget);
+}
+
 void draw_plain(Camera& camera, bool show_hud, Hud& hud,
                std::vector<aabb3f> hilightboxes, video::IVideoDriver* driver,
                bool draw_wield_tool, Client& client, gui::IGUIEnvironment* guienv)
@@ -417,10 +494,11 @@ void draw_plain(Camera& camera, bool show_hud, Hud& hud,
                camera.drawWieldedTool();
 }
 
-void draw_scene(video::IVideoDriver* driver, scene::ISceneManager* smgr,
-               Camera& camera, Client& client, LocalPlayer* player, Hud& hud,
-               gui::IGUIEnvironment* guienv, std::vector<aabb3f> hilightboxes,
-               const v2u32& screensize, video::SColor skycolor, bool show_hud)
+void draw_scene(video::IVideoDriver *driver, scene::ISceneManager *smgr,
+               Camera &camera, Client& client, LocalPlayer *player, Hud &hud,
+               Mapper &mapper, gui::IGUIEnvironment *guienv,
+               std::vector<aabb3f> hilightboxes, const v2u32 &screensize,
+               video::SColor skycolor, bool show_hud, bool show_minimap)
 {
        TimeTaker timer("smgr");
 
@@ -466,6 +544,13 @@ void draw_scene(video::IVideoDriver* driver, scene::ISceneManager* smgr,
                                smgr, screensize, draw_wield_tool, client, guienv, skycolor);
                show_hud = false;
        }
+       else if (draw_mode == "pageflip")
+       {
+               draw_pageflip_3d_mode(camera, show_hud, hud, hilightboxes, driver,
+                               smgr, screensize, draw_wield_tool, client, guienv, skycolor);
+               draw_crosshair = false;
+               show_hud = false;
+       }
        else {
                draw_plain(camera, show_hud, hud, hilightboxes, driver,
                                draw_wield_tool, client, guienv);
@@ -485,6 +570,8 @@ void draw_scene(video::IVideoDriver* driver, scene::ISceneManager* smgr,
                        hud.drawCrosshair();
                hud.drawHotbar(client.getPlayerItem());
                hud.drawLuaElements(camera.getOffset());
+               if (show_minimap)
+                       mapper.drawMinimap();
        }
 
        guienv->drawAll();