irrlicht/examples/Demo/CMainMenu.cpp

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// This is a Demo of the Irrlicht Engine (c) 2005-2009 by N.Gebhardt.
// This file is not documented.
#include "CMainMenu.h"
#include "CDemo.h"
#include "exampleHelper.h"
CMainMenu::CMainMenu()
: startButton(0), MenuDevice(0), selected(0), start(false), fullscreen(false),
#if defined(USE_IRRKLANG) || defined(USE_SDL_MIXER)
music(true),
#else
music(false),
#endif
shadows(true), additive(false), transparent(true), vsync(true), aa(true),
#ifndef _IRR_WINDOWS_
driverType(video::EDT_OPENGL)
#else
driverType(video::EDT_DIRECT3D9)
#endif
//driverType(video::EDT_BURNINGSVIDEO)
{
}
bool CMainMenu::run()
{
video::E_DRIVER_TYPE driverType = video::EDT_OPENGL;
if (!IrrlichtDevice::isDriverSupported(video::EDT_OPENGL))
driverType = video::EDT_BURNINGSVIDEO;
MenuDevice = createDevice(driverType,
core::dimension2d<u32>(512, 384), 16, false, false, false, this);
const io::path mediaPath = getExampleMediaPath();
if (MenuDevice->getFileSystem()->existFile("irrlicht.dat"))
MenuDevice->getFileSystem()->addFileArchive("irrlicht.dat");
else
MenuDevice->getFileSystem()->addFileArchive(mediaPath + "irrlicht.dat");
video::IVideoDriver* driver = MenuDevice->getVideoDriver();
scene::ISceneManager* smgr = MenuDevice->getSceneManager();
gui::IGUIEnvironment* guienv = MenuDevice->getGUIEnvironment();
core::stringw str = "Irrlicht Engine Demo v";
str += MenuDevice->getVersion();
MenuDevice->setWindowCaption(str.c_str());
// set new Skin
gui::IGUISkin* newskin = guienv->createSkin(gui::EGST_BURNING_SKIN);
guienv->setSkin(newskin);
newskin->drop();
// load font
gui::IGUIFont* font = guienv->getFont(mediaPath + "fonthaettenschweiler.bmp");
if (font)
guienv->getSkin()->setFont(font);
// add images
const s32 leftX = 260;
// add tab control
gui::IGUITabControl* tabctrl = guienv->addTabControl(core::rect<int>(leftX,10,512-10,384-10),
0, true, true);
gui::IGUITab* optTab = tabctrl->addTab(L"Demo");
gui::IGUITab* aboutTab = tabctrl->addTab(L"About");
// add list box
gui::IGUIListBox* box = guienv->addListBox(core::rect<int>(10,10,220,120), optTab, 1);
for (u32 i=1; i<video::EDT_COUNT; ++i)
{
if (IrrlichtDevice::isDriverSupported(video::E_DRIVER_TYPE(i)))
{
box->addItem(core::stringw(video::DRIVER_TYPE_NAMES[i]).c_str());
if ( driverType == video::E_DRIVER_TYPE(i) )
selected = box->getItemCount()-1;
}
}
box->setSelected(selected);
// add button
startButton = guienv->addButton(core::rect<int>(30,295,200,324), optTab, 2, L"Start Demo");
// add checkbox
const s32 d = 50;
guienv->addCheckBox(fullscreen, core::rect<int>(20,85+d,130,110+d),
optTab, 3, L"Fullscreen");
guienv->addCheckBox(music, core::rect<int>(135,85+d,245,110+d),
optTab, 4, L"Music & Sfx");
guienv->addCheckBox(shadows, core::rect<int>(20,110+d,135,135+d),
optTab, 5, L"Realtime shadows");
guienv->addCheckBox(additive, core::rect<int>(20,135+d,230,160+d),
optTab, 6, L"Old HW compatible blending");
guienv->addCheckBox(vsync, core::rect<int>(20,160+d,230,185+d),
optTab, 7, L"Vertical synchronisation");
guienv->addCheckBox(aa, core::rect<int>(20,185+d,230,210+d),
optTab, 8, L"Antialiasing");
// add about text
const wchar_t* text2 = L"This is the tech demo of the Irrlicht engine. To start, "\
L"select a video driver which works best with your hardware and press 'Start Demo'.\n"\
L"What you currently see is displayed using the Burning Software Renderer (Thomas Alten).\n"\
L"The Irrlicht Engine was written by me, Nikolaus Gebhardt. The models, "\
L"maps and textures were placed at my disposal by B.Collins, M.Cook and J.Marton. The music was created by "\
L"M.Rohde and is played back by irrKlang.\n"\
L"For more information, please visit the homepage of the Irrlicht engine:\nhttp://irrlicht.sourceforge.net";
guienv->addStaticText(text2, core::rect<int>(10, 10, 230, 320),
true, true, aboutTab);
// add md2 model
scene::IAnimatedMesh* mesh = smgr->getMesh(mediaPath + "faerie.md2");
scene::IAnimatedMeshSceneNode* modelNode = smgr->addAnimatedMeshSceneNode(mesh);
if (modelNode)
{
modelNode->setPosition( core::vector3df(0.f, 0.f, -5.f) );
modelNode->setMaterialTexture(0, driver->getTexture(mediaPath + "faerie2.bmp"));
modelNode->setMaterialFlag(video::EMF_LIGHTING, true);
modelNode->getMaterial(0).Shininess = 50.f;
modelNode->getMaterial(0).NormalizeNormals = true;
modelNode->setMD2Animation(scene::EMAT_STAND);
}
// set ambient light (no sun light in the catacombs)
smgr->setAmbientLight( video::SColorf(0.2f, 0.2f, 0.2f) );
scene::ILightSceneNode *light;
scene::ISceneNodeAnimator* anim;
scene::ISceneNode* bill;
enum eLightParticle
{
LIGHT_NONE,
LIGHT_GLOBAL,
LIGHT_RED,
LIGHT_BLUE
};
core::vector3df lightDir[2] = {
core::vector3df(0.f, 0.1f, 0.4f),
core::vector3df(0.f, 0.1f, -0.4f),
};
struct SLightParticle
{
eLightParticle type;
u32 dir;
};
const SLightParticle lightParticle[] =
{
//LIGHT_GLOBAL,0,
{LIGHT_RED,0},
{LIGHT_BLUE,0},
{LIGHT_RED,1},
{LIGHT_BLUE,1},
{LIGHT_NONE,0}
};
const SLightParticle *l = lightParticle;
while ( l->type != LIGHT_NONE )
{
switch ( l->type )
{
case LIGHT_GLOBAL:
// add illumination from the background
light = smgr->addLightSceneNode(0, core::vector3df(10.f,40.f,-5.f),
video::SColorf(0.2f, 0.2f, 0.2f), 90.f);
break;
case LIGHT_RED:
// add light nearly red
light = smgr->addLightSceneNode(0, core::vector3df(0,1,0),
video::SColorf(0.8f, 0.f, 0.f, 0.0f), 30.0f);
// attach red billboard to the light
bill = smgr->addBillboardSceneNode(light, core::dimension2d<f32>(10, 10));
if ( bill )
{
bill->setMaterialFlag(video::EMF_LIGHTING, false);
bill->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
bill->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
bill->setMaterialTexture(0, driver->getTexture(mediaPath + "particlered.bmp"));
}
// add fly circle animator to the light
anim = smgr->createFlyCircleAnimator(core::vector3df(0.f,0.f,-5.f),20.f,
0.002f, lightDir [l->dir] );
light->addAnimator(anim);
anim->drop();
break;
case LIGHT_BLUE:
// add light nearly blue
light = smgr->addLightSceneNode(0, core::vector3df(0,1,0),
video::SColorf(0.f, 0.0f, 0.8f, 0.0f), 30.0f);
// attach blue billboard to the light
bill = smgr->addBillboardSceneNode(light, core::dimension2d<f32>(10, 10));
if (bill)
{
bill->setMaterialFlag(video::EMF_LIGHTING, false);
bill->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
bill->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
bill->setMaterialTexture(0, driver->getTexture(mediaPath + "portal1.bmp"));
}
// add fly circle animator to the light
anim = smgr->createFlyCircleAnimator(core::vector3df(0.f,0.f,-5.f),20.f,
-0.002f, lightDir [l->dir], 0.5f);
light->addAnimator(anim);
anim->drop();
break;
case LIGHT_NONE:
break;
}
l += 1;
}
// create a fixed camera
smgr->addCameraSceneNode(0, core::vector3df(45,0,0), core::vector3df(0,0,10));
// irrlicht logo and background
// add irrlicht logo
bool oldMipMapState = driver->getTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS);
driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
guienv->addImage(driver->getTexture(mediaPath + "irrlichtlogo3.png"),
core::position2d<s32>(5,5));
video::ITexture* irrlichtBack = driver->getTexture(mediaPath + "demoback.jpg");
driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, oldMipMapState);
// query original skin color
getOriginalSkinColor();
// set transparency
setTransparency();
// draw all
while(MenuDevice->run())
{
if (MenuDevice->isWindowActive())
{
driver->beginScene(video::ECBF_DEPTH, video::SColor(0,0,0,0));
if (irrlichtBack)
driver->draw2DImage(irrlichtBack,
core::position2d<int>(0,0));
smgr->drawAll();
guienv->drawAll();
driver->endScene();
}
}
MenuDevice->drop();
for (u32 i=1; i<video::EDT_COUNT; ++i)
{
if (IrrlichtDevice::isDriverSupported(video::E_DRIVER_TYPE(i)))
{
if (!selected)
{
driverType=video::E_DRIVER_TYPE(i);
break;
}
--selected;
}
}
return start;
}
bool CMainMenu::OnEvent(const SEvent& event)
{
if (event.EventType == EET_KEY_INPUT_EVENT &&
event.KeyInput.Key == KEY_F9 &&
event.KeyInput.PressedDown == false)
{
video::IImage* image = MenuDevice->getVideoDriver()->createScreenShot();
if (image)
{
MenuDevice->getVideoDriver()->writeImageToFile(image, "screenshot_main.jpg");
image->drop();
}
}
else
if (event.EventType == irr::EET_MOUSE_INPUT_EVENT &&
event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP )
{
core::rect<s32> r(event.MouseInput.X, event.MouseInput.Y, 0, 0);
gui::IGUIContextMenu* menu = MenuDevice->getGUIEnvironment()->addContextMenu(r, 0, 45);
menu->addItem(L"transparent menus", 666, transparent == false);
menu->addItem(L"solid menus", 666, transparent == true);
menu->addSeparator();
menu->addItem(L"Cancel");
}
else
if (event.EventType == EET_GUI_EVENT)
{
s32 id = event.GUIEvent.Caller->getID();
switch(id)
{
case 45: // context menu
if (event.GUIEvent.EventType == gui::EGET_MENU_ITEM_SELECTED)
{
s32 s = ((gui::IGUIContextMenu*)event.GUIEvent.Caller)->getSelectedItem();
if (s == 0 || s == 1)
{
transparent = !transparent;
setTransparency();
}
}
break;
case 1:
if (event.GUIEvent.EventType == gui::EGET_LISTBOX_CHANGED ||
event.GUIEvent.EventType == gui::EGET_LISTBOX_SELECTED_AGAIN)
{
selected = ((gui::IGUIListBox*)event.GUIEvent.Caller)->getSelected();
//startButton->setEnabled(selected != 4);
startButton->setEnabled(true);
}
break;
case 2:
if (event.GUIEvent.EventType == gui::EGET_BUTTON_CLICKED )
{
MenuDevice->closeDevice();
start = true;
}
case 3:
if (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED )
fullscreen = ((gui::IGUICheckBox*)event.GUIEvent.Caller)->isChecked();
break;
case 4:
if (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED )
music = ((gui::IGUICheckBox*)event.GUIEvent.Caller)->isChecked();
break;
case 5:
if (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED )
shadows = ((gui::IGUICheckBox*)event.GUIEvent.Caller)->isChecked();
break;
case 6:
if (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED )
additive = ((gui::IGUICheckBox*)event.GUIEvent.Caller)->isChecked();
break;
case 7:
if (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED )
vsync = ((gui::IGUICheckBox*)event.GUIEvent.Caller)->isChecked();
break;
case 8:
if (event.GUIEvent.EventType == gui::EGET_CHECKBOX_CHANGED )
aa = ((gui::IGUICheckBox*)event.GUIEvent.Caller)->isChecked();
break;
}
}
return false;
}
void CMainMenu::getOriginalSkinColor()
{
irr::gui::IGUISkin * skin = MenuDevice->getGUIEnvironment()->getSkin();
for (s32 i=0; i<gui::EGDC_COUNT ; ++i)
{
SkinColor[i] = skin->getColor( (gui::EGUI_DEFAULT_COLOR)i );
}
}
void CMainMenu::setTransparency()
{
irr::gui::IGUISkin * skin = MenuDevice->getGUIEnvironment()->getSkin();
for (u32 i=0; i<gui::EGDC_COUNT ; ++i)
{
video::SColor col = SkinColor[i];
if (false == transparent)
col.setAlpha(255);
skin->setColor((gui::EGUI_DEFAULT_COLOR)i, col);
}
}