/
irr_driver.cpp
2245 lines (1964 loc) · 80.1 KB
/
irr_driver.cpp
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//
// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2009-2013 Joerg Henrichs
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 3
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "graphics/irr_driver.hpp"
#include "config/user_config.hpp"
#include "graphics/callbacks.hpp"
#include "graphics/camera.hpp"
#include "graphics/glwrap.hpp"
#include "graphics/hardware_skinning.hpp"
#include "graphics/lens_flare.hpp"
#include "graphics/light.hpp"
#include "graphics/material_manager.hpp"
#include "graphics/particle_kind_manager.hpp"
#include "graphics/per_camera_node.hpp"
#include "graphics/post_processing.hpp"
#include "graphics/referee.hpp"
#include "graphics/shaders.hpp"
#include "graphics/shadow_importance.hpp"
#include "graphics/stkanimatedmesh.hpp"
#include "graphics/stkbillboard.hpp"
#include "graphics/stkmeshscenenode.hpp"
#include "graphics/sun.hpp"
#include "graphics/rtts.hpp"
#include "graphics/water.hpp"
#include "graphics/wind.hpp"
#include "guiengine/engine.hpp"
#include "guiengine/modaldialog.hpp"
#include "guiengine/scalable_font.hpp"
#include "guiengine/screen.hpp"
#include "io/file_manager.hpp"
#include "items/item_manager.hpp"
#include "items/powerup_manager.hpp"
#include "items/attachment_manager.hpp"
#include "items/projectile_manager.hpp"
#include "karts/abstract_kart.hpp"
#include "karts/kart_properties_manager.hpp"
#include "main_loop.hpp"
#include "modes/profile_world.hpp"
#include "modes/world.hpp"
#include "physics/physics.hpp"
#include "states_screens/dialogs/confirm_resolution_dialog.hpp"
#include "states_screens/state_manager.hpp"
#include "tracks/track_manager.hpp"
#include "utils/constants.hpp"
#include "utils/log.hpp"
#include "utils/profiler.hpp"
#include "utils/vs.hpp"
#include <irrlicht.h>
/* Build-time check that the Irrlicht we're building against works for us.
* Should help prevent distros building against an incompatible library.
*/
#if IRRLICHT_VERSION_MAJOR < 1 || IRRLICHT_VERSION_MINOR < 7 || \
_IRR_MATERIAL_MAX_TEXTURES_ < 8 || !defined(_IRR_COMPILE_WITH_OPENGL_) || \
!defined(_IRR_COMPILE_WITH_B3D_LOADER_)
#error "Building against an incompatible Irrlicht. Distros, please use the included version."
#endif
using namespace irr;
#ifdef WIN32
#include <Windows.h>
#endif
#if defined(__linux__) && !defined(ANDROID)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#endif
/** singleton */
IrrDriver *irr_driver = NULL;
const int MIN_SUPPORTED_HEIGHT = 600;
const int MIN_SUPPORTED_WIDTH = 800;
// ----------------------------------------------------------------------------
/** The constructor creates the irrlicht device. It first creates a NULL
* device. This is necessary to handle the Chicken/egg problem with irrlicht:
* access to the file system is given from the device, but we can't create the
* device before reading the user_config file (for resolution, fullscreen).
* So we create a dummy device here to begin with, which is then later (once
* the real device exists) changed in initDevice().
*/
IrrDriver::IrrDriver()
{
m_resolution_changing = RES_CHANGE_NONE;
m_phase = SOLID_NORMAL_AND_DEPTH_PASS;
m_device = createDevice(video::EDT_NULL);
m_request_screenshot = false;
m_shaders = NULL;
m_rtts = NULL;
m_wind = new Wind();
m_mipviz = m_wireframe = m_normals = m_ssaoviz = \
m_lightviz = m_shadowviz = m_distortviz = 0;
} // IrrDriver
// ----------------------------------------------------------------------------
/** Destructor - removes the irrlicht device.
*/
IrrDriver::~IrrDriver()
{
// Note that we can not simply delete m_post_processing here:
// m_post_processing uses a material that has a reference to
// m_post_processing (for a callback). So when the material is
// removed it will try to drop the ref count of its callback object,
// which is m_post_processing, and which was already deleted. So
// instead we just decrease the ref count here. When the material
// is deleted, it will trigger the actual deletion of
// PostProcessing when decreasing the refcount of its callback object.
m_post_processing->drop();
assert(m_device != NULL);
m_device->drop();
m_device = NULL;
m_modes.clear();
delete m_shaders;
delete m_wind;
} // ~IrrDriver
// ----------------------------------------------------------------------------
/** Called before a race is started, after all cameras are set up.
*/
void IrrDriver::reset()
{
if (m_glsl) m_post_processing->reset();
} // reset
void IrrDriver::setPhase(STKRenderingPass p)
{
m_phase = p;
}
STKRenderingPass IrrDriver::getPhase() const
{
return m_phase;
}
void IrrDriver::IncreaseObjectCount()
{
object_count[m_phase]++;
}
core::array<video::IRenderTarget> &IrrDriver::getMainSetup()
{
return m_mrt;
}
// ----------------------------------------------------------------------------
#if defined(__linux__) && !defined(ANDROID)
/*
Returns the parent window of "window" (i.e. the ancestor of window
that is a direct child of the root, or window itself if it is a direct child).
If window is the root window, returns window.
*/
Window get_toplevel_parent(Display* display, Window window)
{
Window parent;
Window root;
Window * children;
unsigned int num_children;
while (true)
{
if (0 == XQueryTree(display, window, &root,
&parent, &children, &num_children))
{
Log::fatal("irr_driver", "XQueryTree error\n");
}
if (children) { //must test for null
XFree(children);
}
if (window == root || parent == root) {
return window;
}
else {
window = parent;
}
}
}
#endif
// ----------------------------------------------------------------------------
void IrrDriver::updateConfigIfRelevant()
{
if (!UserConfigParams::m_fullscreen &&
UserConfigParams::m_remember_window_location)
{
#ifdef WIN32
const video::SExposedVideoData& videoData = m_device->getVideoDriver()
->getExposedVideoData();
// this should work even if using DirectX in theory because the HWnd is
// always third pointer in the struct, no matter which union is used
HWND window = (HWND)videoData.OpenGLWin32.HWnd;
WINDOWPLACEMENT placement;
placement.length = sizeof(WINDOWPLACEMENT);
if (GetWindowPlacement(window, &placement))
{
int x = (int)placement.rcNormalPosition.left;
int y = (int)placement.rcNormalPosition.top;
// If the windows position is saved, it must be a non-negative
// number. So if the window is partly off screen, move it to the
// corresponding edge.
if(x<0) x = 0;
if(y<0) y = 0;
Log::verbose("irr_driver",
"Retrieved window location for config : %i %i\n", x, y);
if (UserConfigParams::m_window_x != x || UserConfigParams::m_window_y != y)
{
UserConfigParams::m_window_x = x;
UserConfigParams::m_window_y = y;
user_config->saveConfig();
}
}
else
{
Log::warn("irr_driver", "Could not retrieve window location\n");
}
#elif defined(__linux__) && !defined(ANDROID)
const video::SExposedVideoData& videoData =
m_device->getVideoDriver()->getExposedVideoData();
Display* display = (Display*)videoData.OpenGLLinux.X11Display;
XWindowAttributes xwa;
XGetWindowAttributes(display, get_toplevel_parent(display,
videoData.OpenGLLinux.X11Window), &xwa);
int wx = xwa.x;
int wy = xwa.y;
Log::verbose("irr_driver",
"Retrieved window location for config : %i %i\n", wx, wy);
if (UserConfigParams::m_window_x != wx || UserConfigParams::m_window_y != wy)
{
UserConfigParams::m_window_x = wx;
UserConfigParams::m_window_y = wy;
user_config->saveConfig();
}
#endif
}
}
// ----------------------------------------------------------------------------
/** Gets a list of supported video modes from the irrlicht device. This data
* is stored in m_modes.
*/
void IrrDriver::createListOfVideoModes()
{
// Note that this is actually reported by valgrind as a leak, but it is
// a leak in irrlicht: this list is dynamically created the first time
// it is used, but then not cleaned on exit.
video::IVideoModeList* modes = m_device->getVideoModeList();
const int count = modes->getVideoModeCount();
for(int i=0; i<count; i++)
{
// only consider 32-bit resolutions for now
if (modes->getVideoModeDepth(i) >= 24)
{
const int w = modes->getVideoModeResolution(i).Width;
const int h = modes->getVideoModeResolution(i).Height;
if (h < MIN_SUPPORTED_HEIGHT || w < MIN_SUPPORTED_WIDTH)
continue;
VideoMode mode(w, h);
m_modes.push_back( mode );
} // if depth >=24
} // for i < video modes count
} // createListOfVideoModes
// ----------------------------------------------------------------------------
/** This creates the actualy OpenGL device. This is called
*/
void IrrDriver::initDevice()
{
// If --no-graphics option was used, the null device can still be used.
if (!ProfileWorld::isNoGraphics())
{
// This code is only executed once. No need to reload the video
// modes every time the resolution changes.
if(m_modes.size()==0)
{
createListOfVideoModes();
// The debug name is only set if irrlicht is compiled in debug
// mode. So we use this to print a warning to the user.
if(m_device->getDebugName())
{
Log::warn("irr_driver",
"!!!!! Performance warning: Irrlicht compiled with "
"debug mode.!!!!!\n");
Log::warn("irr_driver",
"!!!!! This can have a significant performance "
"impact !!!!!\n");
}
} // end if firstTime
const core::dimension2d<u32> ssize = m_device->getVideoModeList()
->getDesktopResolution();
if (UserConfigParams::m_width > (int)ssize.Width ||
UserConfigParams::m_height > (int)ssize.Height)
{
Log::warn("irr_driver", "The window size specified in "
"user config is larger than your screen!");
UserConfigParams::m_width = 800;
UserConfigParams::m_height = 600;
}
m_device->closeDevice();
m_video_driver = NULL;
m_gui_env = NULL;
m_scene_manager = NULL;
// In some circumstances it would happen that a WM_QUIT message
// (apparently sent for this NULL device) is later received by
// the actual window, causing it to immediately quit.
// Following advise on the irrlicht forums I added the following
// two calles - the first one didn't make a difference (but
// certainly can't hurt), but the second one apparenlty solved
// the problem for now.
m_device->clearSystemMessages();
m_device->run();
// Clear the pointer stored in the file manager
file_manager->dropFileSystem();
m_device->drop();
m_device = NULL;
SIrrlichtCreationParameters params;
// Try 32 and, upon failure, 24 then 16 bit per pixels
for (int bits=32; bits>15; bits -=8)
{
if(UserConfigParams::logMisc())
Log::verbose("irr_driver", "Trying to create device with "
"%i bits\n", bits);
params.DriverType = video::EDT_OPENGL;
params.Stencilbuffer = false;
params.Bits = bits;
params.EventReceiver = this;
params.Fullscreen = UserConfigParams::m_fullscreen;
params.Vsync = UserConfigParams::m_vsync;
params.WindowSize =
core::dimension2du(UserConfigParams::m_width,
UserConfigParams::m_height);
/*
switch ((int)UserConfigParams::m_antialiasing)
{
case 0:
break;
case 1:
params.AntiAlias = 2;
break;
case 2:
params.AntiAlias = 4;
break;
case 3:
params.AntiAlias = 8;
break;
default:
Log::error("irr_driver",
"[IrrDriver] WARNING: Invalid value for "
"anti-alias setting : %i\n",
(int)UserConfigParams::m_antialiasing);
}
*/
m_device = createDeviceEx(params);
if(m_device)
break;
} // for bits=32, 24, 16
// if still no device, try with a standard 800x600 window size, maybe
// size is the problem
if(!m_device)
{
UserConfigParams::m_width = 800;
UserConfigParams::m_height = 600;
m_device = createDevice(video::EDT_OPENGL,
core::dimension2du(UserConfigParams::m_width,
UserConfigParams::m_height ),
32, //bits per pixel
UserConfigParams::m_fullscreen,
false, // stencil buffers
false, // vsync
this // event receiver
);
if (m_device)
{
Log::verbose("irr_driver", "An invalid resolution was set in "
"the config file, reverting to saner values\n");
}
}
}
if(!m_device)
{
Log::fatal("irr_driver", "Couldn't initialise irrlicht device. Quitting.\n");
}
m_scene_manager = m_device->getSceneManager();
m_gui_env = m_device->getGUIEnvironment();
m_video_driver = m_device->getVideoDriver();
int GLMajorVersion = 0, GLMinorVersion = 0;
glGetIntegerv(GL_MAJOR_VERSION, &GLMajorVersion);
glGetIntegerv(GL_MINOR_VERSION, &GLMinorVersion);
Log::info("IrrDriver", "OPENGL VERSION IS %d.%d", GLMajorVersion, GLMinorVersion);
m_glsl = (GLMajorVersion > 3 || (GLMajorVersion == 3 && GLMinorVersion == 3)) && UserConfigParams::m_pixel_shaders;
// This remaps the window, so it has to be done before the clear to avoid flicker
m_device->setResizable(false);
// Immediate clear to black for a nicer user loading experience
m_video_driver->beginScene(/*backBuffer clear*/true, /* Z */ false);
m_video_driver->endScene();
// Stores the new file system pointer.
file_manager->reInit();
if (m_glsl)
{
Log::info("irr_driver", "GLSL supported.");
// Order matters, create RTTs as soon as possible, as they are the largest blocks.
m_rtts = new RTT();
}
// m_glsl might be reset in rtt if an error occurs.
if(m_glsl)
{
m_shaders = new Shaders();
m_shadow_importance = new ShadowImportance();
m_mrt.clear();
m_mrt.reallocate(3);
m_mrt.push_back(m_rtts->getRTT(RTT_COLOR));
m_mrt.push_back(m_rtts->getRTT(RTT_NORMAL_AND_DEPTH));
m_mrt.push_back(m_rtts->getRTT(RTT_SPECULARMAP));
irr::video::COpenGLDriver* gl_driver = (irr::video::COpenGLDriver*)m_device->getVideoDriver();
gl_driver->extGlGenQueries(1, &m_lensflare_query);
m_query_issued = false;
scene::IMesh * const sphere = m_scene_manager->getGeometryCreator()->createSphereMesh(1, 16, 16);
m_sun_interposer = new STKMeshSceneNode(sphere, m_scene_manager->getRootSceneNode(), NULL, -1);
m_sun_interposer->grab();
m_sun_interposer->setParent(NULL);
m_sun_interposer->setScale(core::vector3df(20));
m_sun_interposer->getMaterial(0).Lighting = false;
m_sun_interposer->getMaterial(0).ColorMask = video::ECP_NONE;
m_sun_interposer->getMaterial(0).ZWriteEnable = false;
m_sun_interposer->getMaterial(0).MaterialType = m_shaders->getShader(ES_OBJECTPASS);
sphere->drop();
m_lensflare = new scene::CLensFlareSceneNode(NULL, m_scene_manager, -1);
video::ITexture * const tex = getTexture(FileManager::TEXTURE,
"lensflare.png" );
if (!tex) Log::fatal("irr_driver", "Cannot find lens flare texture");
m_lensflare->setMaterialTexture(0, tex);
m_lensflare->setAutomaticCulling(scene::EAC_OFF);
m_suncam = m_scene_manager->addCameraSceneNode(0, vector3df(0), vector3df(0), -1, false);
m_suncam->grab();
m_suncam->setParent(NULL);
}
else
{
Log::warn("irr_driver", "Using the fixed pipeline (old GPU, or shaders disabled in options)");
}
// Only change video driver settings if we are showing graphics
if (!ProfileWorld::isNoGraphics())
{
#if defined(__linux__) && !defined(ANDROID)
// Set class hints on Linux, used by Window Managers.
const video::SExposedVideoData& videoData = m_video_driver
->getExposedVideoData();
XClassHint* classhint = XAllocClassHint();
classhint->res_name = (char*)"SuperTuxKart";
classhint->res_class = (char*)"SuperTuxKart";
XSetClassHint((Display*)videoData.OpenGLLinux.X11Display,
videoData.OpenGLLinux.X11Window,
classhint);
XFree(classhint);
#endif
m_device->setWindowCaption(L"SuperTuxKart");
m_device->getVideoDriver()
->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, true);
m_device->getVideoDriver()
->setTextureCreationFlag(video::ETCF_OPTIMIZED_FOR_QUALITY, true);
// Force creation of mipmaps even if the mipmaps flag in a b3d file
// does not set the 'enable mipmap' flag.
m_scene_manager->getParameters()
->setAttribute(scene::B3D_LOADER_IGNORE_MIPMAP_FLAG, true);
// Set window to remembered position
if ( !UserConfigParams::m_fullscreen
&& UserConfigParams::m_remember_window_location
&& UserConfigParams::m_window_x >= 0
&& UserConfigParams::m_window_y >= 0 )
{
moveWindow(UserConfigParams::m_window_x,
UserConfigParams::m_window_y);
} // If reinstating window location
} // If showing graphics
// Initialize material2D
video::SMaterial& material2D = m_video_driver->getMaterial2D();
material2D.setFlag(video::EMF_ANTI_ALIASING, true);
for (unsigned int n=0; n<video::MATERIAL_MAX_TEXTURES; n++)
{
material2D.TextureLayer[n].BilinearFilter = false;
material2D.TextureLayer[n].TrilinearFilter = true;
material2D.TextureLayer[n].TextureWrapU = video::ETC_CLAMP_TO_EDGE;
material2D.TextureLayer[n].TextureWrapV = video::ETC_CLAMP_TO_EDGE;
//material2D.TextureLayer[n].LODBias = 16;
material2D.UseMipMaps = true;
}
material2D.AntiAliasing=video::EAAM_FULL_BASIC;
//m_video_driver->enableMaterial2D();
// Initialize post-processing if supported
m_post_processing = new PostProcessing(m_video_driver);
// set cursor visible by default (what's the default is not too clearly documented,
// so let's decide ourselves...)
m_device->getCursorControl()->setVisible(true);
m_pointer_shown = true;
} // initDevice
//-----------------------------------------------------------------------------
void IrrDriver::showPointer()
{
if (!m_pointer_shown)
{
m_pointer_shown = true;
this->getDevice()->getCursorControl()->setVisible(true);
}
} // showPointer
//-----------------------------------------------------------------------------
void IrrDriver::hidePointer()
{
// always visible in artist debug mode, to be able to use the context menu
if (UserConfigParams::m_artist_debug_mode)
{
this->getDevice()->getCursorControl()->setVisible(true);
return;
}
if (m_pointer_shown)
{
m_pointer_shown = false;
this->getDevice()->getCursorControl()->setVisible(false);
}
} // hidePointer
//-----------------------------------------------------------------------------
core::position2di IrrDriver::getMouseLocation()
{
return this->getDevice()->getCursorControl()->getPosition();
}
//-----------------------------------------------------------------------------
/** Moves the STK main window to coordinates (x,y)
* \return true on success, false on failure
* (always true on Linux at the moment)
*/
bool IrrDriver::moveWindow(const int x, const int y)
{
#ifdef WIN32
const video::SExposedVideoData& videoData =
m_video_driver->getExposedVideoData();
// this should work even if using DirectX in theory,
// because the HWnd is always third pointer in the struct,
// no matter which union is used
HWND window = (HWND)videoData.OpenGLWin32.HWnd;
if (SetWindowPos(window, HWND_TOP, x, y, -1, -1,
SWP_NOOWNERZORDER | SWP_NOSIZE))
{
// everything OK
return true;
}
else
{
Log::warn("irr_driver", "Could not set window location\n");
return false;
}
#elif defined(__linux__) && !defined(ANDROID)
const video::SExposedVideoData& videoData = m_video_driver->getExposedVideoData();
// TODO: Actually handle possible failure
XMoveWindow((Display*)videoData.OpenGLLinux.X11Display,
videoData.OpenGLLinux.X11Window,
x, y);
#endif
return true;
}
//-----------------------------------------------------------------------------
void IrrDriver::changeResolution(const int w, const int h,
const bool fullscreen)
{
// update user config values
UserConfigParams::m_prev_width = UserConfigParams::m_width;
UserConfigParams::m_prev_height = UserConfigParams::m_height;
UserConfigParams::m_prev_fullscreen = UserConfigParams::m_fullscreen;
UserConfigParams::m_width = w;
UserConfigParams::m_height = h;
UserConfigParams::m_fullscreen = fullscreen;
// Setting this flag will trigger a call to applyResolutionSetting()
// in the next update call. This avoids the problem that changeResolution
// is actually called from the gui, i.e. the event loop, i.e. while the
// old device is active - so we can't delete this device (which we must
// do in applyResolutionSettings
m_resolution_changing = RES_CHANGE_YES;
} // changeResolution
//-----------------------------------------------------------------------------
void IrrDriver::applyResolutionSettings()
{
// show black before resolution switch so we don't see OpenGL's buffer
// garbage during switch
m_video_driver->beginScene(true, true, video::SColor(255,100,101,140));
GL32_draw2DRectangle( video::SColor(255, 0, 0, 0),
core::rect<s32>(0, 0,
UserConfigParams::m_prev_width,
UserConfigParams::m_prev_height) );
m_video_driver->endScene();
track_manager->removeAllCachedData();
attachment_manager->removeTextures();
projectile_manager->removeTextures();
ItemManager::removeTextures();
kart_properties_manager->unloadAllKarts();
powerup_manager->unloadPowerups();
Referee::cleanup();
ParticleKindManager::get()->cleanup();
delete input_manager;
GUIEngine::clear();
GUIEngine::cleanUp();
m_device->closeDevice();
m_device->clearSystemMessages();
m_device->run();
delete material_manager;
material_manager = NULL;
// ---- Reinit
// FIXME: this load sequence is (mostly) duplicated from main.cpp!!
// That's just error prone
// (we're sure to update main.cpp at some point and forget this one...)
// initDevice will drop the current device.
initDevice();
// Re-init GUI engine
GUIEngine::init(m_device, m_video_driver, StateManager::get());
//material_manager->reInit();
material_manager = new MaterialManager();
material_manager->loadMaterial();
input_manager = new InputManager ();
input_manager->setMode(InputManager::MENU);
GUIEngine::addLoadingIcon(
irr_driver->getTexture(file_manager->getAsset(FileManager::GUI,"options_video.png"))
);
file_manager->pushTextureSearchPath(file_manager->getAsset(FileManager::MODEL,""));
const std::string materials_file =
file_manager->getAssetChecked(FileManager::MODEL, "materials.xml");
if (materials_file != "")
{
material_manager->addSharedMaterial(materials_file);
}
powerup_manager->loadAllPowerups ();
ItemManager::loadDefaultItemMeshes();
projectile_manager->loadData();
Referee::init();
GUIEngine::addLoadingIcon(
irr_driver->getTexture(file_manager->getAsset(FileManager::GUI,"gift.png")) );
file_manager->popTextureSearchPath();
kart_properties_manager->loadAllKarts();
attachment_manager->loadModels();
std::string banana = file_manager->getAsset(FileManager::GUI, "banana.png");
GUIEngine::addLoadingIcon(irr_driver->getTexture(banana) );
// No need to reload cached track data (track_manager->cleanAllCachedData
// above) - this happens dynamically when the tracks are loaded.
GUIEngine::reshowCurrentScreen();
} // applyResolutionSettings
// ----------------------------------------------------------------------------
void IrrDriver::cancelResChange()
{
UserConfigParams::m_width = UserConfigParams::m_prev_width;
UserConfigParams::m_height = UserConfigParams::m_prev_height;
UserConfigParams::m_fullscreen = UserConfigParams::m_prev_fullscreen;
// This will trigger calling applyResolutionSettings in update(). This is
// necessary to avoid that the old screen is deleted, while it is
// still active (i.e. sending out events which triggered the change
// of resolution
// Setting this flag will trigger a call to applyResolutionSetting()
// in the next update call. This avoids the problem that changeResolution
// is actually called from the gui, i.e. the event loop, i.e. while the
// old device is active - so we can't delete this device (which we must
// do in applyResolutionSettings)
m_resolution_changing=RES_CHANGE_CANCEL;
} // cancelResChange
// ----------------------------------------------------------------------------
/** Prints statistics about rendering, e.g. number of drawn and culled
* triangles etc. Note that printing this information will also slow
* down STK.
*/
void IrrDriver::printRenderStats()
{
io::IAttributes * attr = m_scene_manager->getParameters();
Log::verbose("irr_driver",
"[%ls], FPS:%3d Tri:%.03fm Cull %d/%d nodes (%d,%d,%d)\n",
m_video_driver->getName(),
m_video_driver->getFPS (),
(f32) m_video_driver->getPrimitiveCountDrawn( 0 ) * ( 1.f / 1000000.f ),
attr->getAttributeAsInt ( "culled" ),
attr->getAttributeAsInt ( "calls" ),
attr->getAttributeAsInt ( "drawn_solid" ),
attr->getAttributeAsInt ( "drawn_transparent" ),
attr->getAttributeAsInt ( "drawn_transparent_effect" )
);
} // printRenderStats
// ----------------------------------------------------------------------------
/** Loads an animated mesh and returns a pointer to it.
* \param filename File to load.
*/
scene::IAnimatedMesh *IrrDriver::getAnimatedMesh(const std::string &filename)
{
scene::IAnimatedMesh *m = NULL;
if (StringUtils::getExtension(filename) == "b3dz")
{
// compressed file
io::IFileSystem* file_system = getDevice()->getFileSystem();
if (!file_system->addFileArchive(filename.c_str(),
/*ignoreCase*/false,
/*ignorePath*/true, io::EFAT_ZIP))
{
Log::error("irr_driver",
"getMesh: Failed to open zip file <%s>\n",
filename.c_str());
return NULL;
}
// Get the recently added archive
io::IFileArchive* zip_archive =
file_system->getFileArchive(file_system->getFileArchiveCount()-1);
io::IReadFile* content = zip_archive->createAndOpenFile(0);
m = m_scene_manager->getMesh(content);
content->drop();
file_system->removeFileArchive(file_system->getFileArchiveCount()-1);
}
else
{
m = m_scene_manager->getMesh(filename.c_str());
}
if(!m) return NULL;
setAllMaterialFlags(m);
return m;
} // getAnimatedMesh
// ----------------------------------------------------------------------------
/** Loads a non-animated mesh and returns a pointer to it.
* \param filename File to load.
*/
scene::IMesh *IrrDriver::getMesh(const std::string &filename)
{
scene::IAnimatedMesh* am = getAnimatedMesh(filename);
if (am == NULL)
{
Log::error("irr_driver", "Cannot load mesh <%s>\n",
filename.c_str());
return NULL;
}
return am->getMesh(0);
} // getMesh
// ----------------------------------------------------------------------------
/** Sets the material flags in this mesh depending on the settings in
* material_manager.
* \param mesh The mesh to change the settings in.
*/
void IrrDriver::setAllMaterialFlags(scene::IMesh *mesh) const
{
unsigned int n=mesh->getMeshBufferCount();
for(unsigned int i=0; i<n; i++)
{
scene::IMeshBuffer *mb = mesh->getMeshBuffer(i);
video::SMaterial &irr_material=mb->getMaterial();
for(unsigned int j=0; j<video::MATERIAL_MAX_TEXTURES; j++)
{
video::ITexture* t=irr_material.getTexture(j);
if(t) material_manager->setAllMaterialFlags(t, mb);
} // for j<MATERIAL_MAX_TEXTURES
material_manager->setAllUntexturedMaterialFlags(mb);
} // for i<getMeshBufferCount()
} // setAllMaterialFlags
// ----------------------------------------------------------------------------
/** Converts the mesh into a water scene node.
* \param mesh The mesh which is converted into a water scene node.
* \param wave_height Height of the water waves.
* \param wave_speed Speed of the water waves.
* \param wave_length Lenght of a water wave.
*/
scene::ISceneNode* IrrDriver::addWaterNode(scene::IMesh *mesh,
scene::IMesh **welded,
float wave_height,
float wave_speed,
float wave_length)
{
mesh->setMaterialFlag(video::EMF_GOURAUD_SHADING, true);
scene::IMesh* welded_mesh = m_scene_manager->getMeshManipulator()
->createMeshWelded(mesh);
scene::ISceneNode* out = NULL;
// TODO: using cand's new WaterNode would be better, but it does not
// support our material flags (like transparency, etc.)
//if (!m_glsl)
//{
out = m_scene_manager->addWaterSurfaceSceneNode(welded_mesh,
wave_height, wave_speed,
wave_length);
//} else
//{
// out = new WaterNode(m_scene_manager, welded_mesh, wave_height, wave_speed,
// wave_length);
//}
out->getMaterial(0).setFlag(video::EMF_GOURAUD_SHADING, true);
welded_mesh->drop(); // The scene node keeps a reference
*welded = welded_mesh;
return out;
} // addWaterNode
// ----------------------------------------------------------------------------
/** Adds a mesh that will be optimised using an oct tree.
* \param mesh Mesh to add.
*/
scene::IMeshSceneNode *IrrDriver::addOctTree(scene::IMesh *mesh)
{
return m_scene_manager->addOctreeSceneNode(mesh);
} // addOctTree
// ----------------------------------------------------------------------------
/** Adds a sphere with a given radius and color.
* \param radius The radius of the sphere.
* \param color The color to use (default (0,0,0,0)
*/
scene::IMeshSceneNode *IrrDriver::addSphere(float radius,
const video::SColor &color)
{
scene::IMeshSceneNode *node = m_scene_manager->addSphereSceneNode(radius);
node->setMaterialType(video::EMT_SOLID);
scene::IMesh *mesh = node->getMesh();
mesh->setMaterialFlag(video::EMF_COLOR_MATERIAL, true);
video::SMaterial m;
m.AmbientColor = color;
m.DiffuseColor = color;
m.EmissiveColor = color;
m.BackfaceCulling = false;
mesh->getMeshBuffer(0)->getMaterial() = m;
return node;
} // addSphere
// ----------------------------------------------------------------------------
/** Adds a particle scene node.
*/
scene::IParticleSystemSceneNode *IrrDriver::addParticleNode(bool default_emitter)
{
return m_scene_manager->addParticleSystemSceneNode(default_emitter);
} // addParticleNode
// ----------------------------------------------------------------------------
/** Adds a static mesh to scene. This should be used for smaller objects,
* since the node is not optimised.
* \param mesh The mesh to add.
*/
scene::IMeshSceneNode *IrrDriver::addMesh(scene::IMesh *mesh,
scene::ISceneNode *parent)
{
if (!isGLSL())
return m_scene_manager->addMeshSceneNode(mesh, parent);
if (!parent)
parent = m_scene_manager->getRootSceneNode();
scene::IMeshSceneNode* node = new STKMeshSceneNode(mesh, parent, m_scene_manager, -1);
node->drop();
return node;
} // addMesh
// ----------------------------------------------------------------------------
PerCameraNode *IrrDriver::addPerCameraNode(scene::ISceneNode* node,
scene::ICameraSceneNode* camera,
scene::ISceneNode *parent)
{
return new PerCameraNode((parent ? parent
: m_scene_manager->getRootSceneNode()),
m_scene_manager, -1, camera, node);
} // addNode
// ----------------------------------------------------------------------------
/** Adds a billboard node to scene.
*/
scene::ISceneNode *IrrDriver::addBillboard(const core::dimension2d< f32 > size,
video::ITexture *texture,
scene::ISceneNode* parent, bool alphaTesting)
{
scene::IBillboardSceneNode* node;
if (isGLSL())
{
if (!parent)
parent = m_scene_manager->getRootSceneNode();
node = new STKBillboard(parent, m_scene_manager, -1, vector3df(0., 0., 0.), size);
node->drop();
}
else
node = m_scene_manager->addBillboardSceneNode(parent, size);
assert(node->getMaterialCount() > 0);
node->setMaterialTexture(0, texture);
if(alphaTesting)
node->setMaterialType(video::EMT_TRANSPARENT_ALPHA_CHANNEL_REF);
return node;
} // addMesh
// ----------------------------------------------------------------------------
/** Creates a quad mesh with a given material.
* \param material The material to use (NULL if no material).
* \param create_one_quad If true creates one quad in the mesh.
*/
scene::IMesh *IrrDriver::createQuadMesh(const video::SMaterial *material,
bool create_one_quad)
{
scene::SMeshBuffer *buffer = new scene::SMeshBuffer();
if(create_one_quad)
{
video::S3DVertex v;
v.Pos = core::vector3df(0,0,0);
v.Normal = core::vector3df(1/sqrt(2.0f), 1/sqrt(2.0f), 0);