]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/client/renderingengine.cpp
Merge branch 'master' of https://github.com/minetest/minetest
[dragonfireclient.git] / src / client / renderingengine.cpp
index f9da178b9ad90f2eca68824baebadb800646f894..6ebcc784d151abd0ccb7fecc6ec38fbf07dc096c 100644 (file)
@@ -19,14 +19,13 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #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 "client/hud.h"
 #include "camera.h"
 #include "minimap.h"
 #include "clientmap.h"
@@ -35,6 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "render/factory.h"
 #include "inputhandler.h"
 #include "gettext.h"
+#include "../gui/guiSkin.h"
 
 #if !defined(_WIN32) && !defined(__APPLE__) && !defined(__ANDROID__) && \
                !defined(SERVER) && !defined(__HAIKU__)
@@ -43,10 +43,43 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifdef XORG_USED
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#endif
+
+#ifdef _WIN32
+#include <windows.h>
+#include <winuser.h>
+#endif
+
+#if ENABLE_GLES
+#include "filesys.h"
 #endif
 
 RenderingEngine *RenderingEngine::s_singleton = nullptr;
 
+
+static gui::GUISkin *createSkin(gui::IGUIEnvironment *environment,
+               gui::EGUI_SKIN_TYPE type, video::IVideoDriver *driver)
+{
+       gui::GUISkin *skin = new gui::GUISkin(type, driver);
+
+       gui::IGUIFont *builtinfont = environment->getBuiltInFont();
+       gui::IGUIFontBitmap *bitfont = nullptr;
+       if (builtinfont && builtinfont->getType() == gui::EGFT_BITMAP)
+               bitfont = (gui::IGUIFontBitmap*)builtinfont;
+
+       gui::IGUISpriteBank *bank = 0;
+       skin->setFont(builtinfont);
+
+       if (bitfont)
+               bank = bitfont->getSpriteBank();
+
+       skin->setSpriteBank(bank);
+
+       return skin;
+}
+
+
 RenderingEngine::RenderingEngine(IEventReceiver *receiver)
 {
        sanity_check(!s_singleton);
@@ -58,7 +91,6 @@ RenderingEngine::RenderingEngine(IEventReceiver *receiver)
 
        // 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
@@ -72,7 +104,7 @@ RenderingEngine::RenderingEngine(IEventReceiver *receiver)
        u32 i;
        for (i = 0; i != drivers.size(); i++) {
                if (!strcasecmp(driverstring.c_str(),
-                                   RenderingEngine::getVideoDriverName(drivers[i]))) {
+                               RenderingEngine::getVideoDriverInfo(drivers[i]).name.c_str())) {
                        driverType = drivers[i];
                        break;
                }
@@ -84,39 +116,46 @@ RenderingEngine::RenderingEngine(IEventReceiver *receiver)
        }
 
        SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
+       if (tracestream)
+               params.LoggingLevel = irr::ELL_DEBUG;
        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;
+       params.HighPrecisionFPU = true;
 #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
+#if ENABLE_GLES
+       // there is no standardized path for these on desktop
+       std::string rel_path = std::string("client") + DIR_DELIM
+                       + "shaders" + DIR_DELIM + "Irrlicht";
+       params.OGLES2ShaderPath = (porting::path_share + DIR_DELIM + rel_path + DIR_DELIM).c_str();
 #endif
 
        m_device = createDeviceEx(params);
        driver = m_device->getVideoDriver();
 
        s_singleton = this;
+
+       auto skin = createSkin(m_device->getGUIEnvironment(),
+                       gui::EGST_WINDOWS_METALLIC, driver);
+       m_device->getGUIEnvironment()->setSkin(skin);
+       skin->drop();
 }
 
 RenderingEngine::~RenderingEngine()
 {
        core.reset();
-       m_device->drop();
+       m_device->closeDevice();
        s_singleton = nullptr;
 }
 
-v2u32 RenderingEngine::getWindowSize() const
+v2u32 RenderingEngine::_getWindowSize() const
 {
        if (core)
                return core->getVirtualSize();
@@ -128,109 +167,155 @@ void RenderingEngine::setResizable(bool resize)
        m_device->setResizable(resize);
 }
 
-bool RenderingEngine::print_video_modes()
+void RenderingEngine::removeMesh(const scene::IMesh* mesh)
 {
-       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);
+       m_device->getSceneManager()->getMeshCache()->removeMesh(mesh);
+}
 
-       if (!nulldevice) {
-               delete receiver;
-               return false;
+void RenderingEngine::cleanupMeshCache()
+{
+       auto mesh_cache = m_device->getSceneManager()->getMeshCache();
+       while (mesh_cache->getMeshCount() != 0) {
+               if (scene::IAnimatedMesh *mesh = mesh_cache->getMeshByIndex(0))
+                       mesh_cache->removeMesh(mesh);
        }
+}
 
-       std::cout << _("Available video modes (WxHxD):") << std::endl;
-
-       video::IVideoModeList *videomode_list = nulldevice->getVideoModeList();
+bool RenderingEngine::setupTopLevelWindow(const std::string &name)
+{
+       // FIXME: It would make more sense for there to be a switch of some
+       // sort here that would call the correct toplevel setup methods for
+       // the environment Minetest is running in.
 
-       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;
-               }
+       /* Setting Xorg properties for the top level window */
+       setupTopLevelXorgWindow(name);
 
-               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;
-       }
+       /* Setting general properties for the top level window */
+       verbosestream << "Client: Configuring general top level"
+               << " window properties"
+               << std::endl;
+       bool result = setWindowIcon();
 
-       nulldevice->drop();
-       delete receiver;
-
-       return videomode_list != NULL;
+       return result;
 }
 
-void RenderingEngine::setXorgClassHint(
-               const video::SExposedVideoData &video_data, const std::string &name)
+void RenderingEngine::setupTopLevelXorgWindow(const std::string &name)
 {
 #ifdef XORG_USED
-       if (video_data.OpenGLLinux.X11Display == NULL)
+       const video::SExposedVideoData exposedData = driver->getExposedVideoData();
+
+       Display *x11_dpl = reinterpret_cast<Display *>(exposedData.OpenGLLinux.X11Display);
+       if (x11_dpl == NULL) {
+               warningstream << "Client: Could not find X11 Display in ExposedVideoData"
+                       << std::endl;
                return;
+       }
 
+       verbosestream << "Client: Configuring X11-specific top level"
+               << " window properties"
+               << std::endl;
+
+
+       Window x11_win = reinterpret_cast<Window>(exposedData.OpenGLLinux.X11Window);
+
+       // Set application name and class hints. For now name and class are the same.
        XClassHint *classhint = XAllocClassHint();
-       classhint->res_name = (char *)name.c_str();
-       classhint->res_class = (char *)name.c_str();
+       classhint->res_name = const_cast<char *>(name.c_str());
+       classhint->res_class = const_cast<char *>(name.c_str());
 
-       XSetClassHint((Display *)video_data.OpenGLLinux.X11Display,
-                       video_data.OpenGLLinux.X11Window, classhint);
+       XSetClassHint(x11_dpl, x11_win, classhint);
        XFree(classhint);
+
+       // FIXME: In the future WMNormalHints should be set ... e.g see the
+       // gtk/gdk code (gdk/x11/gdksurface-x11.c) for the setup_top_level
+       // method. But for now (as it would require some significant changes)
+       // leave the code as is.
+
+       // The following is borrowed from the above gdk source for setting top
+       // level windows. The source indicates and the Xlib docs suggest that
+       // this will set the WM_CLIENT_MACHINE and WM_LOCAL_NAME. This will not
+       // set the WM_CLIENT_MACHINE to a Fully Qualified Domain Name (FQDN) which is
+       // required by the Extended Window Manager Hints (EWMH) spec when setting
+       // the _NET_WM_PID (see further down) but running Minetest in an env
+       // where the window manager is on another machine from Minetest (therefore
+       // making the PID useless) is not expected to be a problem. Further
+       // more, using gtk/gdk as the model it would seem that not using a FQDN is
+       // not an issue for modern Xorg window managers.
+
+       verbosestream << "Client: Setting Xorg window manager Properties"
+               << std::endl;
+
+       XSetWMProperties (x11_dpl, x11_win, NULL, NULL, NULL, 0, NULL, NULL, NULL);
+
+       // Set the _NET_WM_PID window property according to the EWMH spec. _NET_WM_PID
+       // (in conjunction with WM_CLIENT_MACHINE) can be used by window managers to
+       // force a shutdown of an application if it doesn't respond to the destroy
+       // window message.
+
+       verbosestream << "Client: Setting Xorg _NET_WM_PID extended window manager property"
+               << std::endl;
+
+       Atom NET_WM_PID = XInternAtom(x11_dpl, "_NET_WM_PID", false);
+
+       pid_t pid = getpid();
+
+       XChangeProperty(x11_dpl, x11_win, NET_WM_PID,
+                       XA_CARDINAL, 32, PropModeReplace,
+                       reinterpret_cast<unsigned char *>(&pid),1);
+
+       // Set the WM_CLIENT_LEADER window property here. Minetest has only one
+       // window and that window will always be the leader.
+
+       verbosestream << "Client: Setting Xorg WM_CLIENT_LEADER property"
+               << std::endl;
+
+       Atom WM_CLIENT_LEADER = XInternAtom(x11_dpl, "WM_CLIENT_LEADER", false);
+
+       XChangeProperty (x11_dpl, x11_win, WM_CLIENT_LEADER,
+               XA_WINDOW, 32, PropModeReplace,
+               reinterpret_cast<unsigned char *>(&x11_win), 1);
 #endif
 }
 
+#ifdef _WIN32
+static bool getWindowHandle(irr::video::IVideoDriver *driver, HWND &hWnd)
+{
+       const video::SExposedVideoData exposedData = driver->getExposedVideoData();
+
+       switch (driver->getDriverType()) {
+#if ENABLE_GLES
+       case video::EDT_OGLES1:
+       case video::EDT_OGLES2:
+#endif
+       case video::EDT_OPENGL:
+               hWnd = reinterpret_cast<HWND>(exposedData.OpenGLWin32.HWnd);
+               break;
+       default:
+               return false;
+       }
+
+       return true;
+}
+#endif
+
 bool RenderingEngine::setWindowIcon()
 {
 #if defined(XORG_USED)
 #if RUN_IN_PLACE
        return setXorgWindowIconFromPath(
-                       porting::path_share + "/misc/" PROJECT_NAME "-xorg-icon-128.png");
+                       porting::path_share + "/misc/dragonfire-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");
+                              ICON_DIR "/hicolor/128x128/apps/dragonfire.png") ||
+              setXorgWindowIconFromPath(porting::path_share + "/misc/dragonfire-xorg-icon-128.png");
 #endif
 #elif defined(_WIN32)
-       const video::SExposedVideoData exposedData = driver->getExposedVideoData();
        HWND hWnd; // Window handle
-
-       switch (driver->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:
+       if (!getWindowHandle(driver, hWnd))
                return false;
-       }
 
        // Load the ICON from resource file
        const HICON hicon = LoadIcon(GetModuleHandle(NULL),
@@ -341,11 +426,11 @@ bool RenderingEngine::setXorgWindowIconFromPath(const std::string &icon_file)
        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,
+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();
+       v2u32 screensize = getWindowSize();
 
        v2s32 textsize(g_fontengine->getTextWidth(text), g_fontengine->getLineHeight());
        v2s32 center(screensize.X / 2, screensize.Y / 2);
@@ -410,89 +495,77 @@ void RenderingEngine::_draw_load_screen(const std::wstring &text,
        guitext->remove();
 }
 
-std::vector<core::vector3d<u32>> RenderingEngine::getSupportedVideoModes()
+/*
+       Draws the menu scene including (optional) cloud background.
+*/
+void RenderingEngine::draw_menu_scene(gui::IGUIEnvironment *guienv,
+               float dtime, bool clouds)
 {
-       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);
-       }
+       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));
 
-       nulldevice->drop();
-       return mlist;
+       guienv->drawAll();
+       get_video_driver()->endScene();
 }
 
 std::vector<irr::video::E_DRIVER_TYPE> RenderingEngine::getSupportedVideoDrivers()
 {
+       // Only check these drivers.
+       // We do not support software and D3D in any capacity.
+       static const irr::video::E_DRIVER_TYPE glDrivers[4] = {
+               irr::video::EDT_NULL,
+               irr::video::EDT_OPENGL,
+               irr::video::EDT_OGLES1,
+               irr::video::EDT_OGLES2,
+       };
        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);
+       for (int i = 0; i < 4; i++) {
+               if (irr::IrrlichtDevice::isDriverSupported(glDrivers[i]))
+                       drivers.push_back(glDrivers[i]);
        }
 
        return drivers;
 }
 
-void RenderingEngine::_initialize(Client *client, Hud *hud)
+void RenderingEngine::initialize(Client *client, Hud *hud)
 {
        const std::string &draw_mode = g_settings->get("3d_mode");
        core.reset(createRenderingCore(draw_mode, m_device, client, hud));
        core->initialize();
 }
 
-void RenderingEngine::_finalize()
+void RenderingEngine::finalize()
 {
        core.reset();
 }
 
-void RenderingEngine::_draw_scene(video::SColor skycolor, bool show_hud,
+void RenderingEngine::draw_scene(video::SColor skycolor, bool show_hud,
                bool show_minimap, bool draw_wield_tool, bool draw_crosshair)
 {
        core->draw(skycolor, show_hud, show_minimap, draw_wield_tool, draw_crosshair);
 }
 
-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)
+const VideoDriverInfo &RenderingEngine::getVideoDriverInfo(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",
+       static const std::unordered_map<int, VideoDriverInfo> driver_info_map = {
+               {(int)video::EDT_NULL,   {"null",   "NULL Driver"}},
+               {(int)video::EDT_OPENGL, {"opengl", "OpenGL"}},
+               {(int)video::EDT_OGLES1, {"ogles1", "OpenGL ES1"}},
+               {(int)video::EDT_OGLES2, {"ogles2", "OpenGL ES2"}},
        };
-
-       return driver_names[type];
+       return driver_info_map.at((int)type);
 }
 
 #ifndef __ANDROID__
-#ifdef XORG_USED
+#if defined(XORG_USED)
 
 static float calcDisplayDensity()
 {
@@ -503,20 +576,17 @@ static float calcDisplayDensity()
 
                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);
-
+                       int dh = DisplayHeight(x11display, 0);
+                       int dw = DisplayWidth(x11display, 0);
+                       int dh_mm = DisplayHeightMM(x11display, 0);
+                       int dw_mm = DisplayWidthMM(x11display, 0);
                        XCloseDisplay(x11display);
 
-                       return std::max(dpi_height, dpi_width) / 96.0;
+                       if (dh_mm != 0 && dw_mm != 0) {
+                               float dpi_height = floor(dh / (dh_mm * 0.039370) + 0.5);
+                               float dpi_width = floor(dw / (dw_mm * 0.039370) + 0.5);
+                               return std::max(dpi_height, dpi_width) / 96.0;
+                       }
                }
        }
 
@@ -527,15 +597,45 @@ static float calcDisplayDensity()
 float RenderingEngine::getDisplayDensity()
 {
        static float cached_display_density = calcDisplayDensity();
-       return cached_display_density;
+       return cached_display_density * g_settings->getFloat("display_density_factor");
+}
+
+#elif defined(_WIN32)
+
+
+static float calcDisplayDensity(irr::video::IVideoDriver *driver)
+{
+       HWND hWnd;
+       if (getWindowHandle(driver, hWnd)) {
+               HDC hdc = GetDC(hWnd);
+               float dpi = GetDeviceCaps(hdc, LOGPIXELSX);
+               ReleaseDC(hWnd, hdc);
+               return dpi / 96.0f;
+       }
+
+       /* return manually specified dpi */
+       return g_settings->getFloat("screen_dpi") / 96.0f;
 }
 
-#else  // XORG_USED
 float RenderingEngine::getDisplayDensity()
 {
-       return g_settings->getFloat("screen_dpi") / 96.0;
+       static bool cached = false;
+       static float display_density;
+       if (!cached) {
+               display_density = calcDisplayDensity(get_video_driver());
+               cached = true;
+       }
+       return display_density * g_settings->getFloat("display_density_factor");
 }
-#endif // XORG_USED
+
+#else
+
+float RenderingEngine::getDisplayDensity()
+{
+       return (g_settings->getFloat("screen_dpi") / 96.0) * g_settings->getFloat("display_density_factor");
+}
+
+#endif
 
 v2u32 RenderingEngine::getDisplaySize()
 {
@@ -547,4 +647,15 @@ v2u32 RenderingEngine::getDisplaySize()
 
        return deskres;
 }
+
+#else // __ANDROID__
+float RenderingEngine::getDisplayDensity()
+{
+       return porting::getDisplayDensity();
+}
+
+v2u32 RenderingEngine::getDisplaySize()
+{
+       return porting::getDisplaySize();
+}
 #endif // __ANDROID__