+/*
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include <IrrlichtDevice.h>
+#include <irrlicht.h>
+#include "fontengine.h"
+#include "clouds.h"
+#include "util/numeric.h"
+#include "guiscalingfilter.h"
+#include "hud.h"
+#include "camera.h"
+#include "minimap.h"
+#include "clientmap.h"
+#include "renderingengine.h"
+#include "inputhandler.h"
+#include "gettext.h"
+
+#if !defined(_WIN32) && !defined(__APPLE__) && !defined(__ANDROID__) && !defined(SERVER)
+#define XORG_USED
+#endif
+#ifdef XORG_USED
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#endif
+
+RenderingEngine *RenderingEngine::s_singleton = nullptr;
+
+RenderingEngine::RenderingEngine(IEventReceiver *receiver)
+{
+ sanity_check(!s_singleton);
+
+ // Resolution selection
+ bool fullscreen = g_settings->getBool("fullscreen");
+ u16 screen_w = g_settings->getU16("screen_w");
+ u16 screen_h = g_settings->getU16("screen_h");
+
+ // bpp, fsaa, vsync
+ bool vsync = g_settings->getBool("vsync");
+ u16 bits = g_settings->getU16("fullscreen_bpp");
+ u16 fsaa = g_settings->getU16("fsaa");
+
+ // stereo buffer required for pageflip stereo
+ bool stereo_buffer = g_settings->get("3d_mode") == "pageflip";
+
+ // Determine driver
+ video::E_DRIVER_TYPE driverType = video::EDT_OPENGL;
+ const std::string &driverstring = g_settings->get("video_driver");
+ std::vector<video::E_DRIVER_TYPE> drivers =
+ RenderingEngine::getSupportedVideoDrivers();
+ u32 i;
+ for (i = 0; i != drivers.size(); i++) {
+ if (!strcasecmp(driverstring.c_str(),
+ RenderingEngine::getVideoDriverName(drivers[i]))) {
+ driverType = drivers[i];
+ break;
+ }
+ }
+ if (i == drivers.size()) {
+ errorstream << "Invalid video_driver specified; "
+ "defaulting to opengl"
+ << std::endl;
+ }
+
+ SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
+ params.DriverType = driverType;
+ params.WindowSize = core::dimension2d<u32>(screen_w, screen_h);
+ params.Bits = bits;
+ params.AntiAlias = fsaa;
+ params.Fullscreen = fullscreen;
+ params.Stencilbuffer = false;
+ params.Stereobuffer = stereo_buffer;
+ params.Vsync = vsync;
+ params.EventReceiver = receiver;
+ params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
+ params.ZBufferBits = 24;
+#ifdef __ANDROID__
+ params.PrivateData = porting::app_global;
+ params.OGLES2ShaderPath = std::string(
+ porting::path_user + DIR_DELIM + "media" + DIR_DELIM + "Shaders" +
+ DIR_DELIM).c_str();
+#endif
+
+ m_device = createDeviceEx(params);
+ s_singleton = this;
+}
+
+RenderingEngine::~RenderingEngine()
+{
+ m_device->drop();
+ s_singleton = nullptr;
+}
+
+v2u32 RenderingEngine::getWindowSize() const
+{
+ return m_device->getVideoDriver()->getScreenSize();
+}
+
+void RenderingEngine::setResizable(bool resize)
+{
+ m_device->setResizable(resize);
+}
+
+video::IVideoDriver *RenderingEngine::getVideoDriver()
+{
+ return m_device->getVideoDriver();
+}
+
+bool RenderingEngine::print_video_modes()
+{
+ IrrlichtDevice *nulldevice;
+
+ bool vsync = g_settings->getBool("vsync");
+ u16 fsaa = g_settings->getU16("fsaa");
+ MyEventReceiver *receiver = new MyEventReceiver();
+
+ SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
+ params.DriverType = video::EDT_NULL;
+ params.WindowSize = core::dimension2d<u32>(640, 480);
+ params.Bits = 24;
+ params.AntiAlias = fsaa;
+ params.Fullscreen = false;
+ params.Stencilbuffer = false;
+ params.Vsync = vsync;
+ params.EventReceiver = receiver;
+ params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
+
+ nulldevice = createDeviceEx(params);
+
+ if (!nulldevice) {
+ delete receiver;
+ return false;
+ }
+
+ std::cout << _("Available video modes (WxHxD):") << std::endl;
+
+ video::IVideoModeList *videomode_list = nulldevice->getVideoModeList();
+
+ if (videomode_list != NULL) {
+ s32 videomode_count = videomode_list->getVideoModeCount();
+ core::dimension2d<u32> videomode_res;
+ s32 videomode_depth;
+ for (s32 i = 0; i < videomode_count; ++i) {
+ videomode_res = videomode_list->getVideoModeResolution(i);
+ videomode_depth = videomode_list->getVideoModeDepth(i);
+ std::cout << videomode_res.Width << "x" << videomode_res.Height
+ << "x" << videomode_depth << std::endl;
+ }
+
+ std::cout << _("Active video mode (WxHxD):") << std::endl;
+ videomode_res = videomode_list->getDesktopResolution();
+ videomode_depth = videomode_list->getDesktopDepth();
+ std::cout << videomode_res.Width << "x" << videomode_res.Height << "x"
+ << videomode_depth << std::endl;
+ }
+
+ nulldevice->drop();
+ delete receiver;
+
+ return videomode_list != NULL;
+}
+
+void RenderingEngine::setXorgClassHint(
+ const video::SExposedVideoData &video_data, const std::string &name)
+{
+#ifdef XORG_USED
+ if (video_data.OpenGLLinux.X11Display == NULL)
+ return;
+
+ XClassHint *classhint = XAllocClassHint();
+ classhint->res_name = (char *)name.c_str();
+ classhint->res_class = (char *)name.c_str();
+
+ XSetClassHint((Display *)video_data.OpenGLLinux.X11Display,
+ video_data.OpenGLLinux.X11Window, classhint);
+ XFree(classhint);
+#endif
+}
+
+bool RenderingEngine::setWindowIcon()
+{
+#if defined(XORG_USED)
+#if RUN_IN_PLACE
+ return setXorgWindowIconFromPath(
+ porting::path_share + "/misc/" PROJECT_NAME "-xorg-icon-128.png");
+#else
+ // We have semi-support for reading in-place data if we are
+ // compiled with RUN_IN_PLACE. Don't break with this and
+ // also try the path_share location.
+ return setXorgWindowIconFromPath(
+ ICON_DIR "/hicolor/128x128/apps/" PROJECT_NAME ".png") ||
+ setXorgWindowIconFromPath(porting::path_share + "/misc/" PROJECT_NAME
+ "-xorg-icon-128.png");
+#endif
+#elif defined(_WIN32)
+ const video::SExposedVideoData exposedData =
+ m_device->getVideoDriver()->getExposedVideoData();
+ HWND hWnd; // Window handle
+
+ switch (m_device->getVideoDriver()->getDriverType()) {
+ case video::EDT_DIRECT3D8:
+ hWnd = reinterpret_cast<HWND>(exposedData.D3D8.HWnd);
+ break;
+ case video::EDT_DIRECT3D9:
+ hWnd = reinterpret_cast<HWND>(exposedData.D3D9.HWnd);
+ break;
+ case video::EDT_OPENGL:
+ hWnd = reinterpret_cast<HWND>(exposedData.OpenGLWin32.HWnd);
+ break;
+ default:
+ return false;
+ }
+
+ // Load the ICON from resource file
+ const HICON hicon = LoadIcon(GetModuleHandle(NULL),
+ MAKEINTRESOURCE(130) // The ID of the ICON defined in
+ // winresource.rc
+ );
+
+ if (hicon) {
+ SendMessage(hWnd, WM_SETICON, ICON_BIG, reinterpret_cast<LPARAM>(hicon));
+ SendMessage(hWnd, WM_SETICON, ICON_SMALL,
+ reinterpret_cast<LPARAM>(hicon));
+ return true;
+ }
+ return false;
+#else
+ return false;
+#endif
+}
+
+bool RenderingEngine::setXorgWindowIconFromPath(const std::string &icon_file)
+{
+#ifdef XORG_USED
+
+ video::IVideoDriver *v_driver = m_device->getVideoDriver();
+
+ video::IImageLoader *image_loader = NULL;
+ u32 cnt = v_driver->getImageLoaderCount();
+ for (u32 i = 0; i < cnt; i++) {
+ if (v_driver->getImageLoader(i)->isALoadableFileExtension(
+ icon_file.c_str())) {
+ image_loader = v_driver->getImageLoader(i);
+ break;
+ }
+ }
+
+ if (!image_loader) {
+ warningstream << "Could not find image loader for file '" << icon_file
+ << "'" << std::endl;
+ return false;
+ }
+
+ io::IReadFile *icon_f =
+ m_device->getFileSystem()->createAndOpenFile(icon_file.c_str());
+
+ if (!icon_f) {
+ warningstream << "Could not load icon file '" << icon_file << "'"
+ << std::endl;
+ return false;
+ }
+
+ video::IImage *img = image_loader->loadImage(icon_f);
+
+ if (!img) {
+ warningstream << "Could not load icon file '" << icon_file << "'"
+ << std::endl;
+ icon_f->drop();
+ return false;
+ }
+
+ u32 height = img->getDimension().Height;
+ u32 width = img->getDimension().Width;
+
+ size_t icon_buffer_len = 2 + height * width;
+ long *icon_buffer = new long[icon_buffer_len];
+
+ icon_buffer[0] = width;
+ icon_buffer[1] = height;
+
+ for (u32 x = 0; x < width; x++) {
+ for (u32 y = 0; y < height; y++) {
+ video::SColor col = img->getPixel(x, y);
+ long pixel_val = 0;
+ pixel_val |= (u8)col.getAlpha() << 24;
+ pixel_val |= (u8)col.getRed() << 16;
+ pixel_val |= (u8)col.getGreen() << 8;
+ pixel_val |= (u8)col.getBlue();
+ icon_buffer[2 + x + y * width] = pixel_val;
+ }
+ }
+
+ img->drop();
+ icon_f->drop();
+
+ const video::SExposedVideoData &video_data = v_driver->getExposedVideoData();
+
+ Display *x11_dpl = (Display *)video_data.OpenGLLinux.X11Display;
+
+ if (x11_dpl == NULL) {
+ warningstream << "Could not find x11 display for setting its icon."
+ << std::endl;
+ delete[] icon_buffer;
+ return false;
+ }
+
+ Window x11_win = (Window)video_data.OpenGLLinux.X11Window;
+
+ Atom net_wm_icon = XInternAtom(x11_dpl, "_NET_WM_ICON", False);
+ Atom cardinal = XInternAtom(x11_dpl, "CARDINAL", False);
+ XChangeProperty(x11_dpl, x11_win, net_wm_icon, cardinal, 32, PropModeReplace,
+ (const unsigned char *)icon_buffer, icon_buffer_len);
+
+ delete[] icon_buffer;
+
+#endif
+ return true;
+}
+
+/*
+ Draws a screen with a single text on it.
+ Text will be removed when the screen is drawn the next time.
+ Additionally, a progressbar can be drawn when percent is set between 0 and 100.
+*/
+void RenderingEngine::_draw_load_screen(const std::wstring &text,
+ gui::IGUIEnvironment *guienv, ITextureSource *tsrc, float dtime,
+ int percent, bool clouds)
+{
+ v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
+
+ v2s32 textsize(g_fontengine->getTextWidth(text), g_fontengine->getLineHeight());
+ v2s32 center(screensize.X / 2, screensize.Y / 2);
+ core::rect<s32> textrect(center - textsize / 2, center + textsize / 2);
+
+ gui::IGUIStaticText *guitext =
+ guienv->addStaticText(text.c_str(), textrect, false, false);
+ guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
+
+ bool cloud_menu_background = clouds && g_settings->getBool("menu_clouds");
+ if (cloud_menu_background) {
+ g_menuclouds->step(dtime * 3);
+ g_menuclouds->render();
+ get_video_driver()->beginScene(
+ true, true, video::SColor(255, 140, 186, 250));
+ g_menucloudsmgr->drawAll();
+ } else
+ get_video_driver()->beginScene(true, true, video::SColor(255, 0, 0, 0));
+
+ // draw progress bar
+ if ((percent >= 0) && (percent <= 100)) {
+ video::ITexture *progress_img = tsrc->getTexture("progress_bar.png");
+ video::ITexture *progress_img_bg =
+ tsrc->getTexture("progress_bar_bg.png");
+
+ if (progress_img && progress_img_bg) {
+#ifndef __ANDROID__
+ const core::dimension2d<u32> &img_size =
+ progress_img_bg->getSize();
+ u32 imgW = rangelim(img_size.Width, 200, 600);
+ u32 imgH = rangelim(img_size.Height, 24, 72);
+#else
+ const core::dimension2d<u32> img_size(256, 48);
+ float imgRatio = (float)img_size.Height / img_size.Width;
+ u32 imgW = screensize.X / 2.2f;
+ u32 imgH = floor(imgW * imgRatio);
+#endif
+ v2s32 img_pos((screensize.X - imgW) / 2,
+ (screensize.Y - imgH) / 2);
+
+ draw2DImageFilterScaled(get_video_driver(), progress_img_bg,
+ core::rect<s32>(img_pos.X, img_pos.Y,
+ img_pos.X + imgW,
+ img_pos.Y + imgH),
+ core::rect<s32>(0, 0, img_size.Width,
+ img_size.Height),
+ 0, 0, true);
+
+ draw2DImageFilterScaled(get_video_driver(), progress_img,
+ core::rect<s32>(img_pos.X, img_pos.Y,
+ img_pos.X + (percent * imgW) / 100,
+ img_pos.Y + imgH),
+ core::rect<s32>(0, 0,
+ (percent * img_size.Width) / 100,
+ img_size.Height),
+ 0, 0, true);
+ }
+ }
+
+ guienv->drawAll();
+ get_video_driver()->endScene();
+ guitext->remove();
+}
+
+std::vector<core::vector3d<u32>> RenderingEngine::getSupportedVideoModes()
+{
+ IrrlichtDevice *nulldevice = createDevice(video::EDT_NULL);
+ sanity_check(nulldevice);
+
+ std::vector<core::vector3d<u32>> mlist;
+ video::IVideoModeList *modelist = nulldevice->getVideoModeList();
+
+ s32 num_modes = modelist->getVideoModeCount();
+ for (s32 i = 0; i != num_modes; i++) {
+ core::dimension2d<u32> mode_res = modelist->getVideoModeResolution(i);
+ u32 mode_depth = (u32)modelist->getVideoModeDepth(i);
+ mlist.push_back(core::vector3d<u32>(
+ mode_res.Width, mode_res.Height, mode_depth));
+ }
+
+ nulldevice->drop();
+ return mlist;
+}
+
+std::vector<irr::video::E_DRIVER_TYPE> RenderingEngine::getSupportedVideoDrivers()
+{
+ std::vector<irr::video::E_DRIVER_TYPE> drivers;
+
+ for (int i = 0; i != irr::video::EDT_COUNT; i++) {
+ if (irr::IrrlichtDevice::isDriverSupported((irr::video::E_DRIVER_TYPE)i))
+ drivers.push_back((irr::video::E_DRIVER_TYPE)i);
+ }
+
+ return drivers;
+}
+
+void RenderingEngine::_draw_scene(Camera *camera, Client *client, LocalPlayer *player,
+ Hud *hud, Minimap *mapper, gui::IGUIEnvironment *guienv,
+ const v2u32 &screensize, const video::SColor &skycolor, bool show_hud,
+ bool show_minimap)
+{
+ bool draw_wield_tool =
+ (show_hud && (player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE) &&
+ camera->getCameraMode() < CAMERA_MODE_THIRD);
+
+ bool draw_crosshair = ((player->hud_flags & HUD_FLAG_CROSSHAIR_VISIBLE) &&
+ (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT));
+
+#ifdef HAVE_TOUCHSCREENGUI
+ try {
+ draw_crosshair = !g_settings->getBool("touchtarget");
+ } catch (SettingNotFoundException) {
+ }
+#endif
+
+ const std::string &draw_mode = g_settings->get("3d_mode");
+
+ if (draw_mode == "anaglyph") {
+ draw_anaglyph_3d_mode(
+ camera, show_hud, hud, draw_wield_tool, client, guienv);
+ draw_crosshair = false;
+ } else if (draw_mode == "interlaced") {
+ draw_interlaced_3d_mode(camera, show_hud, hud, screensize,
+ draw_wield_tool, client, guienv, skycolor);
+ draw_crosshair = false;
+ } else if (draw_mode == "sidebyside") {
+ draw_sidebyside_3d_mode(camera, show_hud, hud, screensize,
+ draw_wield_tool, client, guienv, skycolor);
+ show_hud = false;
+ } else if (draw_mode == "topbottom") {
+ draw_top_bottom_3d_mode(camera, show_hud, hud, screensize,
+ draw_wield_tool, client, guienv, skycolor);
+ show_hud = false;
+ } else if (draw_mode == "pageflip") {
+ draw_pageflip_3d_mode(camera, show_hud, hud, screensize, draw_wield_tool,
+ client, guienv, skycolor);
+ draw_crosshair = false;
+ show_hud = false;
+ } else {
+ draw_plain(camera, show_hud, hud, screensize, draw_wield_tool, client,
+ guienv, skycolor);
+ }
+
+ /*
+ Post effects
+ */
+ client->getEnv().getClientMap().renderPostFx(camera->getCameraMode());
+
+ // TODO how to make those 3d too
+ if (show_hud) {
+ if (draw_crosshair)
+ hud->drawCrosshair();
+
+ hud->drawHotbar(client->getPlayerItem());
+ hud->drawLuaElements(camera->getOffset());
+ camera->drawNametags();
+
+ if (mapper && show_minimap)
+ mapper->drawMinimap();
+ }
+
+ guienv->drawAll();
+}
+
+void RenderingEngine::draw_anaglyph_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ bool draw_wield_tool, Client *client, gui::IGUIEnvironment *guienv)
+{
+
+ /* 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...
+ 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
+ getVideoDriver()->beginScene(true, true, irr::video::SColor(0, 200, 200, 255));
+ getVideoDriver()->getOverrideMaterial().Material.ColorMask = irr::video::ECP_RED;
+ getVideoDriver()->getOverrideMaterial().EnableFlags = irr::video::EMF_COLOR_MASK;
+ getVideoDriver()->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);
+ get_scene_manager()->drawAll();
+ getVideoDriver()->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+ if (show_hud) {
+ hud->drawSelectionMesh();
+ if (draw_wield_tool)
+ camera->drawWieldedTool(&leftMove);
+ }
+
+ guienv->drawAll();
+
+ // Right eye...
+ 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
+ getVideoDriver()->clearZBuffer();
+ getVideoDriver()->getOverrideMaterial().Material.ColorMask =
+ irr::video::ECP_GREEN + irr::video::ECP_BLUE;
+ getVideoDriver()->getOverrideMaterial().EnableFlags = irr::video::EMF_COLOR_MASK;
+ getVideoDriver()->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);
+ get_scene_manager()->drawAll();
+ getVideoDriver()->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+ if (show_hud) {
+ hud->drawSelectionMesh();
+ if (draw_wield_tool)
+ camera->drawWieldedTool(&rightMove);
+ }
+
+ guienv->drawAll();
+
+ getVideoDriver()->getOverrideMaterial().Material.ColorMask = irr::video::ECP_ALL;
+ getVideoDriver()->getOverrideMaterial().EnableFlags = 0;
+ getVideoDriver()->getOverrideMaterial().EnablePasses = 0;
+ camera->getCameraNode()->setPosition(oldPosition);
+ camera->getCameraNode()->setTarget(oldTarget);
+}
+
+void RenderingEngine::init_texture(
+ const v2u32 &screensize, video::ITexture **texture, const char *name)
+{
+ if (*texture) {
+ getVideoDriver()->removeTexture(*texture);
+ }
+ *texture = getVideoDriver()->addRenderTargetTexture(
+ core::dimension2d<u32>(screensize.X, screensize.Y), name,
+ irr::video::ECF_A8R8G8B8);
+}
+
+video::ITexture *RenderingEngine::draw_image(const v2u32 &screensize, parallax_sign psign,
+ const irr::core::matrix4 &startMatrix,
+ const irr::core::vector3df &focusPoint, bool show_hud, Camera *camera,
+ Hud *hud, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor)
+{
+ static video::ITexture *images[2] = {NULL, NULL};
+ static v2u32 last_screensize = v2u32(0, 0);
+
+ video::ITexture *image = NULL;
+
+ if (screensize != last_screensize) {
+ init_texture(screensize, &images[1], "mt_drawimage_img1");
+ init_texture(screensize, &images[0], "mt_drawimage_img2");
+ last_screensize = screensize;
+ }
+
+ if (psign == RIGHT)
+ image = images[1];
+ else
+ image = images[0];
+
+ getVideoDriver()->setRenderTarget(image, true, true,
+ irr::video::SColor(255, skycolor.getRed(), skycolor.getGreen(),
+ skycolor.getBlue()));
+
+ irr::core::vector3df eye_pos;
+ irr::core::matrix4 movement;
+ movement.setTranslation(irr::core::vector3df(
+ (int)psign * g_settings->getFloat("3d_paralax_strength"), 0.0f,
+ 0.0f));
+ eye_pos = (startMatrix * movement).getTranslation();
+
+ // clear the depth buffer
+ getVideoDriver()->clearZBuffer();
+ camera->getCameraNode()->setPosition(eye_pos);
+ camera->getCameraNode()->setTarget(focusPoint);
+ get_scene_manager()->drawAll();
+
+ getVideoDriver()->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+
+ if (show_hud) {
+ hud->drawSelectionMesh();
+ if (draw_wield_tool)
+ camera->drawWieldedTool(&movement);
+ }
+
+ guienv->drawAll();
+
+ /* switch back to real renderer */
+ getVideoDriver()->setRenderTarget(0, true, true,
+ irr::video::SColor(0, skycolor.getRed(), skycolor.getGreen(),
+ skycolor.getBlue()));
+
+ return image;
+}
+
+video::ITexture *RenderingEngine::draw_hud(const v2u32 &screensize, bool show_hud,
+ Hud *hud, Client *client, bool draw_crosshair,
+ const video::SColor &skycolor, gui::IGUIEnvironment *guienv,
+ Camera *camera)
+{
+ static video::ITexture *image = nullptr;
+ init_texture(screensize, &image, "mt_drawimage_hud");
+ getVideoDriver()->setRenderTarget(
+ image, true, true, irr::video::SColor(255, 0, 0, 0));
+
+ if (show_hud) {
+ if (draw_crosshair)
+ hud->drawCrosshair();
+ hud->drawHotbar(client->getPlayerItem());
+ hud->drawLuaElements(camera->getOffset());
+ camera->drawNametags();
+ guienv->drawAll();
+ }
+
+ getVideoDriver()->setRenderTarget(0, true, true,
+ irr::video::SColor(0, skycolor.getRed(), skycolor.getGreen(),
+ skycolor.getBlue()));
+
+ return image;
+}
+
+void RenderingEngine::draw_interlaced_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor)
+{
+ /* save current info */
+ 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();
+
+ /* create left view */
+ video::ITexture *left_image = draw_image(screensize, LEFT, startMatrix,
+ focusPoint, show_hud, camera, hud, draw_wield_tool, client,
+ guienv, skycolor);
+
+ // Right eye...
+ 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
+ getVideoDriver()->clearZBuffer();
+ camera->getCameraNode()->setPosition(rightEye);
+ camera->getCameraNode()->setTarget(focusPoint);
+ get_scene_manager()->drawAll();
+
+ getVideoDriver()->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+
+ if (show_hud) {
+ hud->drawSelectionMesh();
+ if (draw_wield_tool)
+ camera->drawWieldedTool(&rightMove);
+ }
+ guienv->drawAll();
+
+ for (unsigned int i = 0; i < screensize.Y; i += 2) {
+#if (IRRLICHT_VERSION_MAJOR >= 1) && (IRRLICHT_VERSION_MINOR >= 8)
+ getVideoDriver()->draw2DImage(left_image,
+ irr::core::position2d<s32>(0, i),
+#else
+ getVideoDriver()->draw2DImage(left_image,
+ irr::core::position2d<s32>(0, screensize.Y - i),
+#endif
+ irr::core::rect<s32>(0, i, screensize.X, i + 1), 0,
+ irr::video::SColor(255, 255, 255, 255), false);
+ }
+
+ /* cleanup */
+ camera->getCameraNode()->setPosition(oldPosition);
+ camera->getCameraNode()->setTarget(oldTarget);
+}
+
+void RenderingEngine::draw_sidebyside_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor)
+{
+ /* save current info */
+ 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();
+
+ /* create left view */
+ video::ITexture *left_image = draw_image(screensize, LEFT, startMatrix,
+ focusPoint, show_hud, camera, hud, draw_wield_tool, client,
+ guienv, skycolor);
+
+ /* create right view */
+ video::ITexture *right_image = draw_image(screensize, RIGHT, startMatrix,
+ focusPoint, show_hud, camera, hud, draw_wield_tool, client,
+ guienv, skycolor);
+
+ /* create hud overlay */
+ video::ITexture *hudtexture = draw_hud(screensize, show_hud, hud, client, false,
+ skycolor, guienv, camera);
+ getVideoDriver()->makeColorKeyTexture(
+ hudtexture, irr::video::SColor(255, 0, 0, 0));
+ // makeColorKeyTexture mirrors texture so we do it twice to get it right again
+ getVideoDriver()->makeColorKeyTexture(
+ hudtexture, irr::video::SColor(255, 0, 0, 0));
+
+ draw2DImageFilterScaled(getVideoDriver(), left_image,
+ irr::core::rect<s32>(0, 0, screensize.X / 2, screensize.Y),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ false);
+
+ draw2DImageFilterScaled(getVideoDriver(), hudtexture,
+ irr::core::rect<s32>(0, 0, screensize.X / 2, screensize.Y),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ true);
+
+ draw2DImageFilterScaled(getVideoDriver(), right_image,
+ irr::core::rect<s32>(
+ screensize.X / 2, 0, screensize.X, screensize.Y),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ false);
+
+ draw2DImageFilterScaled(getVideoDriver(), hudtexture,
+ irr::core::rect<s32>(
+ screensize.X / 2, 0, screensize.X, screensize.Y),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ true);
+
+ left_image = nullptr;
+ right_image = nullptr;
+
+ /* cleanup */
+ camera->getCameraNode()->setPosition(oldPosition);
+ camera->getCameraNode()->setTarget(oldTarget);
+}
+
+void RenderingEngine::draw_top_bottom_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor)
+{
+ /* save current info */
+ 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();
+
+ /* create left view */
+ video::ITexture *left_image = draw_image(screensize, LEFT, startMatrix,
+ focusPoint, show_hud, camera, hud, draw_wield_tool, client,
+ guienv, skycolor);
+
+ /* create right view */
+ video::ITexture *right_image = draw_image(screensize, RIGHT, startMatrix,
+ focusPoint, show_hud, camera, hud, draw_wield_tool, client,
+ guienv, skycolor);
+
+ /* create hud overlay */
+ video::ITexture *hudtexture = draw_hud(screensize, show_hud, hud, client, false,
+ skycolor, guienv, camera);
+ getVideoDriver()->makeColorKeyTexture(
+ hudtexture, irr::video::SColor(255, 0, 0, 0));
+ // makeColorKeyTexture mirrors texture so we do it twice to get it right again
+ getVideoDriver()->makeColorKeyTexture(
+ hudtexture, irr::video::SColor(255, 0, 0, 0));
+
+ draw2DImageFilterScaled(getVideoDriver(), left_image,
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y / 2),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ false);
+
+ draw2DImageFilterScaled(getVideoDriver(), hudtexture,
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y / 2),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ true);
+
+ draw2DImageFilterScaled(getVideoDriver(), right_image,
+ irr::core::rect<s32>(
+ 0, screensize.Y / 2, screensize.X, screensize.Y),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ false);
+
+ draw2DImageFilterScaled(getVideoDriver(), hudtexture,
+ irr::core::rect<s32>(
+ 0, screensize.Y / 2, screensize.X, screensize.Y),
+ irr::core::rect<s32>(0, 0, screensize.X, screensize.Y), 0, 0,
+ true);
+
+ left_image = NULL;
+ right_image = NULL;
+
+ /* cleanup */
+ camera->getCameraNode()->setPosition(oldPosition);
+ camera->getCameraNode()->setTarget(oldTarget);
+}
+
+void RenderingEngine::draw_pageflip_3d_mode(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor)
+{
+#if IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR > 8
+ errorstream << "Pageflip 3D mode is not supported"
+ << " with your Irrlicht version!" << std::endl;
+#else
+ /* 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...
+ getVideoDriver()->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
+ getVideoDriver()->beginScene(true, true, irr::video::SColor(200, 200, 200, 255));
+ camera->getCameraNode()->setPosition(leftEye);
+ camera->getCameraNode()->setTarget(focusPoint);
+ get_scene_manager()->drawAll();
+ getVideoDriver()->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+
+ if (show_hud) {
+ hud->drawSelectionMesh();
+ if (draw_wield_tool)
+ camera->drawWieldedTool(&leftMove);
+ hud->drawHotbar(client->getPlayerItem());
+ hud->drawLuaElements(camera->getOffset());
+ camera->drawNametags();
+ }
+
+ guienv->drawAll();
+
+ // Right eye...
+ getVideoDriver()->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
+ getVideoDriver()->beginScene(true, true, irr::video::SColor(200, 200, 200, 255));
+ camera->getCameraNode()->setPosition(rightEye);
+ camera->getCameraNode()->setTarget(focusPoint);
+ get_scene_manager()->drawAll();
+ getVideoDriver()->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+
+ if (show_hud) {
+ hud->drawSelectionMesh();
+ if (draw_wield_tool)
+ camera->drawWieldedTool(&rightMove);
+ hud->drawHotbar(client->getPlayerItem());
+ hud->drawLuaElements(camera->getOffset());
+ camera->drawNametags();
+ }
+
+ guienv->drawAll();
+
+ camera->getCameraNode()->setPosition(oldPosition);
+ camera->getCameraNode()->setTarget(oldTarget);
+#endif
+}
+
+// returns (size / coef), rounded upwards
+inline int scaledown(int coef, int size)
+{
+ return (size + coef - 1) / coef;
+}
+
+void RenderingEngine::draw_plain(Camera *camera, bool show_hud, Hud *hud,
+ const v2u32 &screensize, bool draw_wield_tool, Client *client,
+ gui::IGUIEnvironment *guienv, const video::SColor &skycolor)
+{
+ // Undersampling-specific stuff
+ static video::ITexture *image = NULL;
+ static v2u32 last_pixelated_size = v2u32(0, 0);
+ static thread_local int undersampling = g_settings->getU16("undersampling");
+ v2u32 pixelated_size;
+ v2u32 dest_size;
+ if (undersampling > 0) {
+ pixelated_size = v2u32(scaledown(undersampling, screensize.X),
+ scaledown(undersampling, screensize.Y));
+ dest_size = v2u32(undersampling * pixelated_size.X,
+ undersampling * pixelated_size.Y);
+ if (pixelated_size != last_pixelated_size) {
+ init_texture(pixelated_size, &image, "mt_drawimage_img1");
+ last_pixelated_size = pixelated_size;
+ }
+ getVideoDriver()->setRenderTarget(image, true, true, skycolor);
+ }
+
+ // Render
+ get_scene_manager()->drawAll();
+ getVideoDriver()->setTransform(video::ETS_WORLD, core::IdentityMatrix);
+ if (show_hud) {
+ hud->drawSelectionMesh();
+ if (draw_wield_tool) {
+ camera->drawWieldedTool();
+ }
+ }
+
+ // Upscale lowres render
+ if (undersampling > 0) {
+ getVideoDriver()->setRenderTarget(0, true, true);
+ getVideoDriver()->draw2DImage(image,
+ irr::core::rect<s32>(0, 0, dest_size.X, dest_size.Y),
+ irr::core::rect<s32>(0, 0, pixelated_size.X,
+ pixelated_size.Y));
+ }
+}
+
+const char *RenderingEngine::getVideoDriverName(irr::video::E_DRIVER_TYPE type)
+{
+ static const char *driver_ids[] = {
+ "null", "software", "burningsvideo", "direct3d8", "direct3d9",
+ "opengl", "ogles1", "ogles2",
+ };
+
+ return driver_ids[type];
+}
+
+const char *RenderingEngine::getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type)
+{
+ static const char *driver_names[] = {
+ "NULL Driver", "Software Renderer", "Burning's Video",
+ "Direct3D 8", "Direct3D 9", "OpenGL", "OpenGL ES1", "OpenGL ES2",
+ };
+
+ return driver_names[type];
+}
+
+#ifndef __ANDROID__
+#ifdef XORG_USED
+
+static float calcDisplayDensity()
+{
+ const char *current_display = getenv("DISPLAY");
+
+ if (current_display != NULL) {
+ Display *x11display = XOpenDisplay(current_display);
+
+ if (x11display != NULL) {
+ /* try x direct */
+ float dpi_height = floor(
+ DisplayHeight(x11display, 0) /
+ (DisplayHeightMM(x11display, 0) *
+ 0.039370) +
+ 0.5);
+ float dpi_width = floor(
+ DisplayWidth(x11display, 0) /
+ (DisplayWidthMM(x11display, 0) *
+ 0.039370) +
+ 0.5);
+
+ XCloseDisplay(x11display);
+
+ return std::max(dpi_height, dpi_width) / 96.0;
+ }
+ }
+
+ /* return manually specified dpi */
+ return g_settings->getFloat("screen_dpi") / 96.0;
+}
+
+float RenderingEngine::getDisplayDensity()
+{
+ static float cached_display_density = calcDisplayDensity();
+ return cached_display_density;
+}
+
+#else // XORG_USED
+float RenderingEngine::getDisplayDensity()
+{
+ return g_settings->getFloat("screen_dpi") / 96.0;
+}
+#endif // XORG_USED
+
+v2u32 RenderingEngine::getDisplaySize()
+{
+ IrrlichtDevice *nulldevice = createDevice(video::EDT_NULL);
+
+ core::dimension2d<u32> deskres =
+ nulldevice->getVideoModeList()->getDesktopResolution();
+ nulldevice->drop();
+
+ return deskres;
+}
+#endif // __ANDROID__
projects / oweals / minetest.git / commitdiff