src/client/render/core.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4 Copyright (C) 2017 numzero, Lobachevskiy Vitaliy <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 "core.h"
  22 #include "client/camera.h"
  23 #include "client/client.h"
  24 #include "client/clientmap.h"
  25 #include "client/hud.h"
  26 #include "client/minimap.h"
  27 #include "client/shadows/dynamicshadowsrender.h"
  28
  29 RenderingCore::RenderingCore(IrrlichtDevice *_device, Client *_client, Hud *_hud)
  30         : device(_device), driver(device->getVideoDriver()), smgr(device->getSceneManager()),
  31         guienv(device->getGUIEnvironment()), client(_client), camera(client->getCamera()),
  32         mapper(client->getMinimap()), hud(_hud),
  33         shadow_renderer(nullptr)
  34 {
  35         screensize = driver->getScreenSize();
  36         virtual_size = screensize;
  37
  38         if (g_settings->getBool("enable_shaders") &&
  39                         g_settings->getBool("enable_dynamic_shadows")) {
  40                 shadow_renderer = new ShadowRenderer(device, client);
  41         }
  42 }
  43
  44 RenderingCore::~RenderingCore()
  45 {
  46         clearTextures();
  47         delete shadow_renderer;
  48 }
  49
  50 void RenderingCore::initialize()
  51 {
  52         // have to be called late as the VMT is not ready in the constructor:
  53         initTextures();
  54         if (shadow_renderer)
  55                 shadow_renderer->initialize();
  56 }
  57
  58 void RenderingCore::updateScreenSize()
  59 {
  60         virtual_size = screensize;
  61         clearTextures();
  62         initTextures();
  63 }
  64
  65 void RenderingCore::draw(video::SColor _skycolor, bool _show_hud, bool _show_minimap,
  66                 bool _draw_wield_tool, bool _draw_crosshair)
  67 {
  68         v2u32 ss = driver->getScreenSize();
  69         if (screensize != ss) {
  70                 screensize = ss;
  71                 updateScreenSize();
  72         }
  73         skycolor = _skycolor;
  74         show_hud = _show_hud;
  75         show_minimap = _show_minimap;
  76         draw_wield_tool = _draw_wield_tool;
  77         draw_crosshair = _draw_crosshair;
  78
  79         if (shadow_renderer) {
  80                 // This is necessary to render shadows for animations correctly
  81                 smgr->getRootSceneNode()->OnAnimate(device->getTimer()->getTime());
  82                 shadow_renderer->update();
  83         }
  84
  85         beforeDraw();
  86         drawAll();
  87 }
  88
  89 void RenderingCore::draw3D()
  90 {
  91         smgr->drawAll();
  92         if (shadow_renderer)
  93                 shadow_renderer->drawDebug();
  94
  95         driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
  96         if (!show_hud)
  97                 return;
  98         hud->drawBlockBounds();
  99         hud->drawSelectionMesh();
 100         if (draw_wield_tool)
 101                 camera->drawWieldedTool();
 102 }
 103
 104 void RenderingCore::drawHUD()
 105 {
 106         if (show_hud) {
 107                 if (draw_crosshair)
 108                         hud->drawCrosshair();
 109
 110                 hud->drawHotbar(client->getEnv().getLocalPlayer()->getWieldIndex());
 111                 hud->drawLuaElements(camera->getOffset());
 112                 camera->drawNametags();
 113                 if (mapper && show_minimap)
 114                         mapper->drawMinimap();
 115         }
 116         guienv->drawAll();
 117 }
 118
 119 void RenderingCore::drawPostFx()
 120 {
 121         client->getEnv().getClientMap().renderPostFx(camera->getCameraMode());
 122 }