application.cpp

使用stl技术,(还没看,是听说的)

		switch(mSceneDetailIndex)
		{
			case 0: mCamera->setDetailLevel(SDL_SOLID);
						break;
			case 1: mCamera->setDetailLevel(SDL_WIREFRAME);
						break;
			case 2: mCamera->setDetailLevel(SDL_POINTS);
						break;
		}

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25;
	}

	// Key '-' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_MINUS) && mTimeUntilNextAction <= 0.0f)
	{
		// Decrease bullet mass
		if(mBullet->getMass() >= 10.0f)
		{
			mBullet->setMass(mBullet->getMass() - 5.0f);
		}

		// Wait at least 0.25 seconds to perform another mode action
		mTimeUntilNextAction = 0.25f;
	}

	// Key '=' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_EQUALS) && mTimeUntilNextAction <= 0.0f)
	{
		// Increase bullet mass
		mBullet->setMass(mBullet->getMass() + 5.0f);

		// Wait at least 0.25 seconds to perform another mode action
		mTimeUntilNextAction = 0.25f;
	}

	// Key '[' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_LBRACKET) && mTimeUntilNextAction <= 0.0f)
	{
		// Decrease the gravity (or increase...)
		Vector3 gravity = Simulation::getSingleton().getGravity();
		gravity -= Vector3(0.0f, 10.0f, 0.0f);
		Simulation::getSingleton().setGravity(gravity);

		// Wait at least 0.25 seconds to perform another mode action
		mTimeUntilNextAction = 0.25f;
	}

	// Key ']' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_RBRACKET) && mTimeUntilNextAction <= 0.0f)
	{
		// Increase the gravity (or decrease...)
		Vector3 gravity = Simulation::getSingleton().getGravity();
		gravity += Vector3(0.0f, 10.0f, 0.0f);
		Simulation::getSingleton().setGravity(gravity);

		// Wait at least 0.25 seconds to perform another mode action
		mTimeUntilNextAction = 0.25f;
	}

	// Key ';' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_SEMICOLON) && mTimeUntilNextAction <= 0.0f)
	{
		// Decrease the speed of the Simulation
		if(mPhysicsSpeed >= 0.4)
		{
			mPhysicsSpeed -= 0.2;
		}

		// Wait at least 0.25 seconds to perform another mode action
		mTimeUntilNextAction = 0.25f;
	}

	// Key ''' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_APOSTROPHE) && mTimeUntilNextAction <= 0.0f)
	{
		// Increase the speed of the Simulation
		if(mPhysicsSpeed <= 4.8)
		{
			mPhysicsSpeed += 0.2;
		}

		// Wait at least 0.25 seconds to perform another mode action
		mTimeUntilNextAction = 0.25f;
	}
	
	// Key '1' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_1) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #1
		mBullet = setupTestSim1(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #1: A 5 story building and arbitrary obstacles."); 

		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
	
	// Key '2' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_2) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #2
		mBullet = setupTestSim2(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #2: A 10 story building and arbitrary obstacles."); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
	
	// Key '3' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_3) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #3
		mBullet = setupTestSim3(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #3: An extremely thin 5 story building and arbitrary obstacles."); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
	
	// Key '4' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_4) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #4
		mBullet = setupTestSim4(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #4: Four, small 5 story buildings. May lag momentarily. :)"); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
		
	// Key '5' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_5) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #5
		mBullet = setupTestSim5(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #5: A 10 box, ball and socket, jointed chain."); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
		
	// Key '6' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_6) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #6
		mBullet = setupTestSim6(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #6: A 10 box, Hinge jointed chain, with limiters."); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
		
	// Key '7' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_7) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #7
		mBullet = setupTestSim7(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #7: A complex static object with numerous breakable elements."); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
		
	// Key '8' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_8) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #8
		mBullet = setupTestSim8(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #8: Twenty-five stacks of five blocks each, with a heavy bullet."); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
		
	// Key '9' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_9) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #9
		mBullet = setupTestSim9(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #9: TriMesh collision! Two 5000 poly TriMeshes and 25 blocks."); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
		
	// Key '0' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_0) && mTimeUntilNextAction <= 0.0f)
	{
		// Setup test sim #0
		mBullet = setupTestSim0(mSceneMgr->getRootSceneNode());
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Description")->setCaption("Test Sim #0: Ragdolls! Based on code by KayNine. :)"); 
		
		// Never start a Simulation paused
		mPhysicsPaused = false;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}

	// Key 'P' is down and it has been sufficient time since the last action
	if (mInputDevice->isKeyDown(KC_P) && mTimeUntilNextAction <= 0.0f)
	{
		// action Simulation pause
		mPhysicsPaused = !mPhysicsPaused;

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}

	// Continue rendering
	return true;
}

// processUnbufferedMouseInput()
bool Application::processUnbufferedMouseInput(void)
{
	// First mouse button is pressed and it has been sufficient time since the last action
	if (mInputDevice->getMouseButton(0) && mTimeUntilNextAction <= 0.0f)
	{
		// Shoot the bullet
		mBullet->setPosition(mCamera->getPosition());
		mBullet->setVelocity(mCamera->getDirection() * 2000);

		// Wait at least 0.25 seconds to perform another action
		mTimeUntilNextAction = 0.25f;
	}
		
	// Rotate the camera
	mRotX = -mInputDevice->getMouseRelativeX() * 0.13;
	mRotY = -mInputDevice->getMouseRelativeY() * 0.13;

	// Continue program
	return true;
}

// updateStats()
void Application::updateStats(void)
{
	// Last time the display was updated was updated
	static Real lastUpdate = mRoot->getTimer()->getMilliseconds();

	// Get current time
	int time = mRoot->getTimer()->getMilliseconds();
	
	// Only update five times per second
	if(time - lastUpdate > 200)
	{
		// Update the last update variable
		lastUpdate = time;

		// Set new values
		GuiManager::getSingleton().getGuiElement("OgreTok/DebugPanel/AverageFps")->
			setCaption("Average FPS: " + StringConverter::toString(mWindow->getAverageFPS()));
		GuiManager::getSingleton().getGuiElement("OgreTok/DebugPanel/CurrFps")->
			setCaption("Current FPS: " + StringConverter::toString(mWindow->getLastFPS()));
		GuiManager::getSingleton().getGuiElement("OgreTok/DebugPanel/BestFps")->
			setCaption("Best FPS: " + StringConverter::toString(mWindow->getBestFPS()) + " (" + StringConverter::toString(mWindow->getBestFrameTime()) + " ms)");
		GuiManager::getSingleton().getGuiElement("OgreTok/DebugPanel/WorstFps")->
			setCaption("Worst FPS: " + StringConverter::toString(mWindow->getWorstFPS()) + " (" + StringConverter::toString(mWindow->getWorstFrameTime()) + " ms)");
		GuiManager::getSingleton().getGuiElement("OgreTok/DebugPanel/NumTris")->
			setCaption("Triangle Count: " + StringConverter::toString(mWindow->getTriangleCount()));

		// Set new values
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat1")->
			setCaption("Tokamak Mem Usage: " + StringConverter::toString(Simulation::getSingleton().getTokamakMemoryUsage() / 1024) + "k");
	
		// Only update frame time stats if physics were computed last frame
		if(Simulation::getSingleton().getLastFrameTime() > 0)
		{
			GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat2")->
				setCaption("Tokamak Frame Time: " + StringConverter::toString(Simulation::getSingleton().getLastFrameTime()) + " ms");
			GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat3")->
				setCaption("% of Last Frame: " + StringConverter::toString(Simulation::getSingleton().getLastFrameTime() / (1000 / mWindow->getLastFPS()) * 100)); 
		}

		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat4")->
			setCaption("Simulation Speed: " + StringConverter::toString(mPhysicsSpeed) + " (;/')"); 
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat5")->
			setCaption("Gravity: " + StringConverter::toString(Simulation::getSingleton().getGravity().y) + " ([/])"); 
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat6")->
			setCaption("Bullet Mass: " + StringConverter::toString(mBullet->getMass()) + " (-/+)"); 
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat7")->
			setCaption("Static Objects: " + StringConverter::toString(Simulation::getSingleton().getStaticObjectCount()) + " / " + StringConverter::toString(Simulation::getSingleton().getStaticObjectMax())); 
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat8")->
			setCaption("Dynamic Objects : " + StringConverter::toString(Simulation::getSingleton().getDynamicObjectCount()) + " / " + StringConverter::toString(Simulation::getSingleton().getDynamicObjectMax())); 
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat9")->
			setCaption("Joints: " + StringConverter::toString(Simulation::getSingleton().getJointCount()) + " / " + StringConverter::toString(Simulation::getSingleton().getJointMax())); 
		GuiManager::getSingleton().getGuiElement("OgreTok/StatsPanel/Stat10")->
			setCaption("TriMeshes: " + StringConverter::toString(Simulation::getSingleton().getTriMeshCount())); 
	}
}

// showOverlay()
void Application::showOverlay(const String& name, bool show)
{
	// Get the overlay
	Overlay* gui = (Overlay*)OverlayManager::getSingleton().getByName(name);
        
	// Overlay not created
	if (!gui)
	{
		// Throw exception
		Except(Exception::ERR_ITEM_NOT_FOUND, "Could not find overlay " + name, "Application::showOverlay");
	}

	// Overlay should be shown
	if (show)
	{
		// Show the overlay
		gui->show();
	}
	else
	{
		// Hide the overlay
		gui->hide();
	}
}