src/client/render/sidebyside.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2017 numzero, Lobachesky Vitaly <numzer0@yandex.ru>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #include "sidebyside.h"
  22 #include <ICameraSceneNode.h>
  23 #include "client/hud.h"
  24
  25 RenderingCoreSideBySide::RenderingCoreSideBySide(
  26         IrrlichtDevice *_device, Client *_client, Hud *_hud, bool _horizontal)
  27         : RenderingCoreStereo(_device, _client, _hud), horizontal(_horizontal)
  28 {
  29 }
  30
  31 void RenderingCoreSideBySide::initTextures()
  32 {
  33         if (horizontal) {
  34                 image_size = {screensize.X, screensize.Y / 2};
  35                 rpos = v2s32(0, screensize.Y / 2);
  36         } else {
  37                 image_size = {screensize.X / 2, screensize.Y};
  38                 rpos = v2s32(screensize.X / 2, 0);
  39         }
  40         virtual_size = image_size;
  41         left = driver->addRenderTargetTexture(
  42                         image_size, "3d_render_left", video::ECF_A8R8G8B8);
  43         right = driver->addRenderTargetTexture(
  44                         image_size, "3d_render_right", video::ECF_A8R8G8B8);
  45 }
  46
  47 void RenderingCoreSideBySide::clearTextures()
  48 {
  49         driver->removeTexture(left);
  50         driver->removeTexture(right);
  51 }
  52
  53 void RenderingCoreSideBySide::drawAll()
  54 {
  55         driver->OnResize(image_size); // HACK to make GUI smaller
  56         renderBothImages();
  57         driver->OnResize(screensize);
  58         driver->draw2DImage(left, {});
  59         driver->draw2DImage(right, rpos);
  60 }
  61
  62 void RenderingCoreSideBySide::useEye(bool _right)
  63 {
  64         driver->setRenderTarget(_right ? right : left, true, true, skycolor);
  65         RenderingCoreStereo::useEye(_right);
  66 }
  67
  68 void RenderingCoreSideBySide::resetEye()
  69 {
  70         hud->resizeHotbar();
  71         drawHUD();
  72         driver->setRenderTarget(nullptr, false, false, skycolor);
  73         RenderingCoreStereo::resetEye();
  74 }