minetest/src/client/renderingengine.cpp

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/*
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 "client.h"
#include "clouds.h"
#include "util/numeric.h"
#include "guiscalingfilter.h"
#include "hud.h"
#include "localplayer.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) && !defined(__HAIKU__)
#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__
// clang-format off
params.PrivateData = porting::app_global;
params.OGLES2ShaderPath = std::string(porting::path_user + DIR_DELIM + "media" +
DIR_DELIM + "Shaders" + DIR_DELIM).c_str();
// clang-format on
#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.emplace_back(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__