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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML>
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Revision <B>1.2</B>, <i>Wed Feb 20 18:07:14 2002 UTC</i> (5 months ago) by <i>lecroart</i>
<BR>Branch: <b>MAIN</b>
<BR>CVS Tags: <b>georges_v2, HEAD</b><BR>Changes since <b>1.1: +2 -2
lines</b><PRE>
#FIXED: doxygen warning
</PRE>
</td></tr></table><HR noshade><PRE>/** \file pacs/main.cpp
* Pacs sample using user interface.
*
* $Id: main.cpp,v 1.2 2002/02/20 18:07:14 lecroart Exp $
*/
/* Copyright, 2001 Nevrax Ltd.
*
* This file is part of NEVRAX NEL.
* NEVRAX NEL 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 2, or (at your option)
* any later version.
* NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include "object.h"
// Pacs includes
#include <nel/pacs/u_move_container.h>
#include <nel/pacs/u_move_primitive.h>
#include <nel/pacs/u_collision_desc.h>
// Misc includes
#include <nel/misc/time_nl.h>
#include <nel/misc/path.h>
// 3d includes
#include <nel/3d/u_camera.h>
#include <nel/3d/u_driver.h>
#include <nel/3d/u_text_context.h>
#include <nel/3d/u_instance.h>
#include <nel/3d/u_scene.h>
#include <nel/3d/u_3d_mouse_listener.h>
#include <nel/3d/u_material.h>
#ifdef NL_OS_WINDOWS
// Just for the main function and ::MessageBox
#include <windows.h>
#endif // NL_OS_WINDOWS
using namespace NLMISC;
using namespace NL3D;
using namespace NLPACS;
// Some defines
#define ARENA_SIZE 50
#define NUM_CELL 10
#define SIZE_PRIMITIVE_MIN (1)
#define SIZE_PRIMITIVE_MAX 2
#define KEYBOARD_ACCEL (5.0) // m.s-2
#define SHOCK_ABSORB (0.9) //
#define DELTA_TIME (0.1)
#define GO (10)
#define BORDER_SIZE SIZE_PRIMITIVE_MAX
#define INIT_SPEED 9
#define MAX_WORLD_IMAGE 31
volatile bool synchro;
// Get a random size
double randomSize ()
{
return (SIZE_PRIMITIVE_MAX - SIZE_PRIMITIVE_MIN)*((double)rand() / (double)RAND_MAX) + SIZE_PRIMITIVE_MIN;
}
// Get a random rotation
double randomRot ()
{
return 2*(double)Pi*((double)rand() / (double)RAND_MAX);
}
// Get a random speed
CVectorD randomSpeed ()
{
return CVectorD ( 2*(double)INIT_SPEED*((double)rand() / (double)RAND_MAX) - INIT_SPEED,
2*(double)INIT_SPEED*((double)rand() / (double)RAND_MAX) - INIT_SPEED, 0);
}
// Get a random pos
CVectorD randomPos ()
{
return CVectorD ( ((double)ARENA_SIZE - 2*BORDER_SIZE - SIZE_PRIMITIVE_MAX)*((double)rand() / (double)RAND_MAX) - ARENA_SIZE / 2.0 + BORDER_SIZE+ (SIZE_PRIMITIVE_MAX) / 2,
((double)ARENA_SIZE - 2*BORDER_SIZE - SIZE_PRIMITIVE_MAX)*((double)rand() / (double)RAND_MAX) - ARENA_SIZE / 2.0 + BORDER_SIZE+ (SIZE_PRIMITIVE_MAX) / 2,
0);
}
// Setup speed with keyboard
void keyboard (UDriver *pDriver, double deltaTime, CObjectDyn &obj)
{
// Add speed to selected object
CVectorD speed (0,0,0);
if (pDriver->AsyncListener.isKeyDown (KeyLEFT))
speed.x+=KEYBOARD_ACCEL*deltaTime;
if (pDriver->AsyncListener.isKeyDown (KeyRIGHT))
speed.x-=KEYBOARD_ACCEL*deltaTime;
if (pDriver->AsyncListener.isKeyDown (KeyUP))
speed.y-=KEYBOARD_ACCEL*deltaTime;
if (pDriver->AsyncListener.isKeyDown (KeyDOWN))
speed.y+=KEYBOARD_ACCEL*deltaTime;
if (pDriver->AsyncListener.isKeyDown (KeyPRIOR))
speed.z+=KEYBOARD_ACCEL*deltaTime;
if (pDriver->AsyncListener.isKeyDown (KeyNEXT))
speed.z-=KEYBOARD_ACCEL*deltaTime;
// Set new speed
if (speed.norm() > 0)
obj.setSpeed(obj.getSpeed ()+speed);
}
// ** Main entry
#ifdef NL_OS_WINDOWS
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
#else // NL_OS_WINDOWS
int main ()
#endif // NL_OS_WINDOWS
{
try
{
// Init search pathes
CPath::addSearchPath ("shapes");
// Create a driver
UDriver *pDriver=UDriver::createDriver();
// Setup text context
pDriver->setDisplay (UDriver::CMode(640, 480, 0));
// Create a scene
UScene *pScene=pDriver->createScene();
// Create a container
// This container has 31 world images. The first is a static world image, the others are dynamic.
// Each frame, the sample eval the collision in the next dynamic world image.
// This is to show the multiple world images fonctionnality.
UMoveContainer *container=UMoveContainer::createMoveContainer (-ARENA_SIZE/2.0, -ARENA_SIZE/2.0, ARENA_SIZE/2.0, ARENA_SIZE/2.0,
NUM_CELL, NUM_CELL, (double)SIZE_PRIMITIVE_MAX*sqrt(2.0), MAX_WORLD_IMAGE );
// Set the world image 0 as static (for borders)
container->setAsStatic (0);
// Array arena
std::vector<CObjectDyn*> arrayArena;
// Create an arena with boxes
int num_cell=ARENA_SIZE/SIZE_PRIMITIVE_MAX+1;
for (int cell=0; cell<num_cell; cell++)
{
// Create static boxes around the test area
arrayArena.push_back (new CObjectDyn (SIZE_PRIMITIVE_MAX, SIZE_PRIMITIVE_MAX, 10*SIZE_PRIMITIVE_MAX, 0,
CVectorD (SIZE_PRIMITIVE_MAX*cell-(ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, (ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, 0),
CVectorD(0,0,0), true, *container, *pScene, UMovePrimitive::DoNothing, 0, 1, 0));
arrayArena.push_back (new CObjectDyn (SIZE_PRIMITIVE_MAX, SIZE_PRIMITIVE_MAX, 10*SIZE_PRIMITIVE_MAX, 0,
CVectorD (SIZE_PRIMITIVE_MAX*cell-(ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, -(ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, 0),
CVectorD(0,0,0), true, *container, *pScene, UMovePrimitive::DoNothing, 0, 1, 0));
arrayArena.push_back (new CObjectDyn (SIZE_PRIMITIVE_MAX, SIZE_PRIMITIVE_MAX, 10*SIZE_PRIMITIVE_MAX, 0,
CVectorD ((ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, SIZE_PRIMITIVE_MAX*cell-(ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, 0),
CVectorD(0,0,0), true, *container, *pScene, UMovePrimitive::DoNothing, 0, 1, 0));
arrayArena.push_back (new CObjectDyn (SIZE_PRIMITIVE_MAX, SIZE_PRIMITIVE_MAX, 10*SIZE_PRIMITIVE_MAX, 0,
CVectorD (-(ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, SIZE_PRIMITIVE_MAX*cell-(ARENA_SIZE-SIZE_PRIMITIVE_MAX)/2, 0),
CVectorD(0,0,0), true, *container, *pScene, UMovePrimitive::DoNothing, 0, 1, 0));
}
// Setup camera
UCamera *pCam=pScene->getCam();
pCam->setTransformMode (UTransformable::DirectMatrix);
pCam->setPerspective ((float)Pi/2.f, 1.33f, 0.1f, 1000);
// Setup the mouse listener
U3dMouseListener *plistener=pDriver->create3dMouseListener ();
plistener->setHotSpot (CVectorD (0,0,0));
plistener->setFrustrum (pCam->getFrustum());
plistener->setMatrix (pCam->getMatrix());
plistener->setMouseMode (U3dMouseListener::edit3d);
// Array of dynamic objects
std::vector<CObjectDyn*> arrayObj;
// Create one object
arrayObj.push_back (
new CObjectDyn (randomSize (), randomSize (), randomPos (), CVectorD(0,0,0), true, *container, *pScene,
UMovePrimitive::Reflexion, 1, 30, 1));
// Selected object
uint selected=0;
// Get time
TTime lastTime=CTime::getLocalTime ();
// Current world image
uint worldImage=1;
// Color to clear the background
CRGBA clearColor;
// Main loop
while (pDriver->isActive() && (!pDriver->AsyncListener.isKeyPushed (KeyESCAPE)))
{
// Get the current time
TTime newTime=CTime::getLocalTime ();
double deltaTime=(double)(uint32)(newTime-lastTime)/1000.0;
lastTime=newTime;
// Insert objects in press INSERT
if (pDriver->AsyncListener.isKeyDown (KeyINSERT))
{
// Random cylinder and boxes
if (rand()&1)
arrayObj.push_back (new CObjectDyn (randomSize(), randomSize(), randomSize(), randomRot(), randomPos (), CVectorD(0,0,0),
true, *container, *pScene, UMovePrimitive::Reflexion, 1, 30, worldImage));
else
arrayObj.push_back (new CObjectDyn (randomSize (), randomSize (), randomPos (), CVectorD(0,0,0), true, *container,
*pScene, UMovePrimitive::Reflexion, 1, 30, worldImage));
}
// Make caos if SPACE pressed
if (pDriver->AsyncListener.isKeyDown (KeySPACE))
{
for (uint t=0; t<arrayObj.size(); t++)
arrayObj[t]->setSpeed (randomSpeed ());
}
// Keyboard
if (arrayObj.size())
{
// Manipulate selected primitive
keyboard (pDriver, deltaTime, *(arrayObj[selected]));
// Remove a primitive if DELETE pressed
if (pDriver->AsyncListener.isKeyDown (KeyDELETE))
{
arrayObj[arrayObj.size()-1]->remove (*container, *pScene);
arrayObj.resize (arrayObj.size()-1);
}
// Check selected
if (selected>=arrayObj.size())
selected=arrayObj.size()-1;
if (selected<0)
selected=0;
// Change selected object if TAB pressed
if (pDriver->AsyncListener.isKeyPushed (KeyTAB))
{
selected++;
selected%=arrayObj.size();
}
}
// Move primitives
for (uint i=0; i<arrayObj.size(); i++)
arrayObj[i]->tryMove (DELTA_TIME, *container, worldImage);
// Eval static world image
container->evalCollision (DELTA_TIME, 0);
// Eval current dynamic world image
container->evalCollision (DELTA_TIME, worldImage);
// Simulation new position
for (i=0; i<arrayObj.size(); i++)
arrayObj[i]->doMove (DELTA_TIME, worldImage);
// Check triggers
clearColor=CRGBA::Black;
if (container->getNumTriggerInfo())
{
// White if collision
clearColor=CRGBA (100,100,100);
}
// Setup view matrix
int size=arrayObj.size();
if (size)
{
// Setup hotspot for the 3d listener
plistener->setHotSpot (arrayObj[selected]->getPos());
// Look at selected primitive
pCam->lookAt (plistener->getViewMatrix().getPos (), arrayObj[selected]->getPos());
}
// Force listener current matrix
plistener->setMatrix (pCam->getMatrix());
// Clear
pDriver->clearBuffers (clearColor);
// Render
pScene->render ();
// Draw some lines
pDriver->setMatrixMode3D(*pCam);
// Swap
pDriver->swapBuffers ();
// Pump messages
pDriver->EventServer.pump();
// Next world image
int nextImage=worldImage+1;
if (nextImage>=MAX_WORLD_IMAGE)
nextImage=1;
container->duplicateWorldImage (worldImage, nextImage);
worldImage=nextImage;
}
// Remove mouse listener
pDriver->delete3dMouseListener (plistener);
}
catch (Exception& e)
{
#ifdef NL_OS_WINDOWS
::MessageBox (NULL, e.what(), "Test collision move", MB_OK|MB_ICONEXCLAMATION);
#else // NL_OS_WINDOWS
printf (e.what());
#endif // NL_OS_WINDOWS
}
return 0;
}
</PRE>
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