void DisplayHandler () // display callback function
{
if (bRotate)
{
fCameraAngle[0] += 1.0 ;
fCameraAngle[2] += 1.0 ;
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) ;
glLoadIdentity() ;
SetCamera() ;
if (!bPause)
{
GLfloat fTempX = GLfloat(iLastMouseX) / GLfloat(iWinWidth) ;
GLfloat fTempY = GLfloat(iLastMouseY) / GLfloat(iWinHeight) ;
GLfloat fFixedX = (Player.ptLocation.dX - 8.65) / -17.3 ;
GLfloat fFixedZ = (Player.ptLocation.dZ - 8.65) / -17.3 ;
if (bRightMouseDown)
{
if (!(fFixedX + 0.02 > fTempX && fFixedX - 0.02 < fTempX))
{
if (fFixedX > fTempX)
{
Player.ptLocation.dX += 0.1 ;
if (Player.ptAngle.dZ > -20)
Player.ptAngle.dZ -= 5.0 ;
} else
{
Player.ptLocation.dX -= 0.1 ;
if (Player.ptAngle.dZ < 20)
Player.ptAngle.dZ += 5.0 ;
}
} else
{
if (Player.ptAngle.dZ < 0) Player.ptAngle.dZ += 5.0 ;
else if (Player.ptAngle.dZ > 0) Player.ptAngle.dZ -= 5.0 ;
}
if (!(fFixedZ + 0.1 > fTempY && fFixedZ - 0.02 < fTempY))
{
if (fFixedZ > fTempY)
{
Player.ptLocation.dZ += 0.1 ;
} else
{
Player.ptLocation.dZ -= 0.1 ;
}
}
} else Player.ptAngle.dZ = 0 ;
if (randp() > 0.98) AddPlanet() ;
AddStar() ;
AddStar() ;
AddStar() ;
AddStar() ;
AddStar() ;
AddStar() ;
if (/*!bExplode && */iCount % 15 == 0) SpawnEnemy() ;
if (!bExplode && bAutofire && iCount % 4 == 0) FireShot(&Player, pPlayerShots) ;
iCount ++ ;
}
DisplayStars() ;
DisplayPlanets() ;
DisplayEnemies() ;
DisplayShots(pPlayerShots) ;
DisplayShots(pEnemyShots) ;
if (bExplode && !bPause)
{
if (iCount == 0)
{
printf("Game over\n") ;
MakeExplosion(Player.ptLocation, 1000) ;
}
} else
{
if (iCount % 4)
{
Particle *pNew = new Particle ;
pNew->ptLocation.dX = Player.ptLocation.dX + randp() * 0.5 - 0.25;
pNew->ptLocation.dY = Player.ptLocation.dY + 0.3 * randp() ;
pNew->ptLocation.dZ = Player.ptLocation.dZ - 1.5 + 0.2 * randp() ;
pNew->ptVelocity.dX = 0 ;
pNew->ptVelocity.dY = 0 ;
pNew->ptVelocity.dZ = -0.2 ;
pNew->ptColor.dX = 0.98 ;
pNew->ptColor.dY = 0.59 + 0.3 * randp() - 0.15 ;
pNew->ptColor.dZ = 0.01 ;
pNew->dAlpha = 0.7 ;
pNew->dMass = 1 ;
pNew->dLife = 7 * randp() + 3 ;
pNew->ptAcceleration = 0 ;
Particles.AddBack(pNew) ;
}
Player.Display() ;
}
LinkedListNode<Particle> *pTravParticles = Particles.pHead ;
LinkedListNode<Particle> *pTempParticle ;
while (pTravParticles != 0)
{
pTravParticles->pValue->dLife -- ;
if (pTravParticles->pValue->dLife <= 0)
{
pTempParticle = pTravParticles ;
pTravParticles = pTravParticles->pNext ;
Particles.Remove(pTempParticle, true) ;
} else
{
pTravParticles->pValue->Apply(0.9) ;
DisplayParticle(pTravParticles->pValue) ;
pTravParticles = pTravParticles->pNext ;
}
}
glFinish() ;
glutSwapBuffers() ;
glutPostRedisplay() ;
}
int PlanetWars::ParseGameState(const string& s, bool bInverted)
{
m_aPlanets.clear();
m_aFleets.clear();
m_fWidth = 0.f;
m_fHeight = 0.f;
vector<string> lines = StringUtil::Tokenize(s, "\n");
int planet_id = 0;
for (unsigned int i = 0; i < lines.size(); ++i)
{
string& line = lines[i];
size_t comment_begin = line.find_first_of('#');
if (comment_begin != string::npos)
{
line = line.substr(0, comment_begin);
}
vector<string> tokens = StringUtil::Tokenize(line);
if (tokens.size() == 0)
{
continue;
}
if (tokens[0] == "P")
{
if (tokens.size() != 6)
{
return 0;
}
int iOwner = atoi(tokens[3].c_str());
if (bInverted && iOwner > 0)
iOwner = 3 - iOwner;
AddPlanet(planet_id++, // The ID of this planet
iOwner, // Owner
atoi(tokens[4].c_str()), // Num ships
atoi(tokens[5].c_str()), // Growth rate
(float)atof(tokens[1].c_str()), // X
(float)atof(tokens[2].c_str())); // Y
}
else if (tokens[0] == "F")
{
if (tokens.size() != 7)
{
return 0;
}
AddFleet((bInverted ? (uint16)(3-atoi(tokens[1].c_str())) : (uint16)atoi(tokens[1].c_str())), // Owner
(uint16)atoi(tokens[2].c_str()), // Num ships
(uint16)atoi(tokens[3].c_str()), // Source
(uint16)atoi(tokens[4].c_str()), // Destination
(uint16)atoi(tokens[5].c_str()), // Total trip length
(uint16)atoi(tokens[6].c_str())); // Turns remaining
}
else
{
return 0;
}
}
return 1;
}
