void ch_att::getMap() // Get all infos about the map and the players.
{
for (int i=1;i<=MAX_PLAYER;i++)
if (i!=myID)
{
p[i].status=DEAD;
p[i].lastx=p[i].x;
p[i].lasty=p[i].y;
p[i].x=0;
p[i].y=0;
p[i].hp=askHP(i);
}
for (int i=1,dis,id;i<=N;i++)
for (int j=1;j<=M;j++)
{
g[i][j]=askWhat(i,j);
if (g[i][j]>EMPTY && g[i][j]!=myID)
{
id=g[i][j];
p[id].x=i;
p[id].y=j;
p[id].status=ALIVE;
if (p[id].lastx>0)
{
dis=abs1(p[id].lastx-p[id].x)+abs1(p[id].lasty-p[id].y);
p[id].maxmove=max1(p[id].maxmove,dis);
p[id].sp=(long)(speedEstimate*p[id].maxmove);
}
}
}
for (int i=1;i<=MAX_PLAYER;i++)
if (i!=myID && p[i].status==DEAD)
p[i].dietime++;
}
/**
* @brief GameEngine::rotateThroughPsi rotates Bike and its velocity Vector through angle dpsi in anticlockwise sense wrt X-Z plane
* @param dpsi Angle through which bike and it's vector is to be rotated
*/
void GameEngine::rotateThroughPsi(float dpsi){
float psi = (sign(yf-yb))*asin( abs1 (yf-yb) / bikeLenght);
psi+=dpsi*PI/180;
xf = xb + bikeLenght*cos(psi)*cos(theta * PI /180);
yf = yb + bikeLenght*sin(psi);
zf = zb - bikeLenght*cos(psi)*sin(theta * PI /180);
psi = (sign(velocity.getY()))*asin( abs1 (velocity.getY()) / velocity.magnitude());
psi+=dpsi*PI/180;
velocity.setX(velocity.magnitude()*cos(psi)*cos(theta*PI/180));
velocity.setY(velocity.magnitude()*sin(psi));
velocity.setZ(-velocity.magnitude()*cos(psi)*sin(theta*PI/180));
}
double ch_att::risk(long x,long y)
{
double ans=0,rate;
long id,estStrength=0,rest,dis;
for (int i=1;i<=N;i++)
for (int j=1;j<=M;j++)
if (g[i][j]>0 && g[i][j]!=myID)
{
id=g[i][j];
estStrength=(long)(p[id].sp*1.2);
rest=max1(0,hp-estStrength);
rate=(double)rest/(double)maxhp;
dis=abs1(i-x)+abs1(j-y);
ans+=1/(rate+eps)/(rate+eps)*p[id].sp/dis;
}
return ans;
}
double ch_att::benefit(long x,long y)
{
double ans=0,rate;
long id,rest,dis;
for (int i=1;i<=N;i++)
for (int j=1;j<=M;j++)
if (g[i][j]>0 && g[i][j]!=myID)
{
id=g[i][j];
rest=max1(0,p[id].hp-att);
rate=(double)rest/(double)maxhp;
dis=abs1(i-x)+abs1(j-y);
ans+=1/(rate+eps)/(rate+eps)*sp/dis*(1+log(estLevel(id)));
}
else if (g[i][j]==FOOD)
ans+=1/eps*sp/dis;
return ans;
}
/**
* @brief GameEngine::init
* @param xf X value of the Front Wheel co-ordinate
* @param yf Y value of the Front Wheel co-ordinate
* @param zf Z value of the Front Wheel co-ordinate
* @param xb X value of the Rear Wheel co-ordinate
* @param yb Y value of the Rear Wheel co-ordinate
* @param zb Z value of the Rear Wheel co-ordinate
* @param terrain Pointer to the terrain class of the Game which defines current Landscape
*/
void GameEngine::init(float xf, float yf, float zf, float xb, float yb, float zb, Terrain *terrain){
this->xf=xf; this->yf=yf; this->zf=zf;
this->xb=xb; this->yb=yb; this->zb=zb;
this->bikeLenght=sqrt( (xf-xb)*(xf-xb) + (yf-yb)*(yf-yb) + (zf-zb)*(zf-zb) );
{
float r= sqrt((xf-xb)*(xf-xb) + (zf-zb)*(zf-zb));
if(abs1(zf-zb) ==r ) this->theta=-(sign(zf-zb))*(PI/2-.0000001);
else this->theta=asin (-(zf-zb)/ r);
if(xf - xb <= 0) this->theta = PI-this->theta;
}
this->velocity.setX(0); this->velocity.setY(0); this->velocity.setZ(0);
this->terrain = terrain ;
}
void problem6(){
cout<<"In problem # 6"<<endl<<endl;
cout << "Problem 16.4 Gaddis 8th\n\n";
//declare variable
Absolut <int>abs1(-5);
Absolut <float> abs2(-4.3); //demonstrate templates using two different data types
cout << "This program demonstrates Templates using different data types\n";
cout <<"_________________________\n";
cout << "This program returns the absolute value of a number inputed\n\n";
cout << "The absolute value of " << abs1.getA() << " is " << abs1.FndAbs();
cout << endl;
cout << "The absolute value of " << abs2.getA() << " is " << abs2.FndAbs();
cout<<endl<<endl;
}
int main(int argc,char** argv) {
int ar_gen[mult+2];
int ar_imp[mult+2];
FILE *fp,*fp2,*imph,*genh;
// time_t t=time(NULL);
int No_val=atoi(argv[1]);
fp=fopen(argv[2], "r");
fp2=fopen("FRR_FAR_Data.dat", "w");
imph=fopen("L4_I_Hist.dat", "w");
genh=fopen("L4_G_Hist.dat", "w");
int i=0;
int true_val=0;
float score=0.;
int a,b,c,d;
float temp=0.,temp2=0.;
int imp=0,gen=0;
int ar_addr=0;
for (i=0; i<=(mult+1); i++) {
ar_gen[i]=0;
ar_imp[i]=0;
}
for (i=0; i<(No_val); i++) {
fscanf(fp, "%d %d %d %d %d %f", &a, &b, &c, &d, &true_val, &score);
ar_addr=(int) mult*score;
if(true_val==1) {
ar_gen[ar_addr]++;
gen++;
}
else {
ar_imp[ar_addr]++;
imp++;
}
}
for(i=0; i<=mult; i++) {
if(ar_imp[i]) {
temp=(((float)ar_imp[i])/((float)imp))*100;
fprintf(imph, "%d %.6f\n", i,temp);
}
if(ar_gen[i]) {
temp2=(((float)ar_gen[i])/((float)gen))*100;
fprintf(genh, "%d %.6f\n", i,temp2);
}
}
for (i=1; i<=mult; i++) {
ar_imp[i]+=ar_imp[i-1];
ar_gen[mult-i]+=ar_gen[mult-(i-1)];
}
float g1=0.,i1=0.,thresh1=0.,thresh2=0.;
float min=100.0;
float te=0.;
ar_gen[mult]=0;
for (i=0; i<=mult; i++) {
g1=(((float)ar_gen[i])/((float)gen))*100;
i1=(((float)ar_imp[i])/((float)imp))*100;
if(abs1(g1-i1)<min) {
min=abs1(g1-i1);
thresh1=g1;
te=(float)i/mult;
thresh2=i1;
}
fprintf(fp2,"%d %d %f %d %f\n",i,(ar_gen[0]-ar_gen[i]),g1,ar_imp[i],i1);
}
float eer = (thresh1+thresh2)/2.0;
// t=time(NULL)-t;
// printf("Time Taken(s) >> %ld\n",t);
printf("# of Gen >>\n%d\n# of Imp >>\n%d\n",gen, imp);
printf("FRR>>\n%.6f\nFAR>>\n%.6f\nDifference>>\n%.6f\nEER>>\n%.6f\nThresh-Hold>>\n%.6f\n",thresh1,thresh2,min,eer,te);
fclose(fp);
fclose(fp2);
return 0;
}
/**
* @brief GameEngine::motionFunction The core function which computes where the bike would be after time dt with the aid of above defined functions
* @param accelerationCoefficient Value is 1 when bike is accelerating, -0.9 when the brakes are applied else 0.
*/
void GameEngine::motionFunction(float accelerationCoefficient){
doBoundCheck();
keepBikeOnPlane();
float height = queryHeight(xb, zb);
/*
* if the back wheel is on the plane
*/
if(yb <= height){
Vector normal = queryNormal(xb, zb);
normal.normalize();
Vector bodyCentreLine(xf -xb, yf-yb, zf-zb);
bodyCentreLine.normalize();
Vector alongPlane = vectorAlongPlane(xb, zb, bodyCentreLine);
alongPlane.normalize();
/**
* mod of the gravity component along the plane
* and also int the plane created by the normal vector and the BikeVector
*/
float gravityComponentAlongPlane = Gravity*abs1( alongPlane.getY() );
/**
* mod of the gravity component along the normal vector
*/
float gravityComponentAlongNormal = sqrt(Gravity*Gravity - gravityComponentAlongPlane*gravityComponentAlongPlane);
int velocitySign = sign(velocity.dotProductV(alongPlane));
/*
* adds gravity effect to the velocity
* if the bike vector has downward component then its adds to it
* otherwise subtracts from it
*/
Vector dv(0,0,0);
if(velocity.getY()<0){
alongPlane.scalarMul(gravityComponentAlongPlane*Time);
dv=dv.addV(alongPlane);
}
else{
alongPlane.scalarMul(-gravityComponentAlongPlane*Time);
dv=dv.addV(alongPlane);
}
alongPlane=vectorAlongPlane(xb,zb,bodyCentreLine);
alongPlane.normalize();
/*
*adds friction effect in the direction opposite to the velocity
*/
float frictionalForce = (-velocitySign)*gravityComponentAlongNormal*meu;
alongPlane.scalarMul(frictionalForce*Time);
dv=dv.addV(alongPlane);
alongPlane=vectorAlongPlane(xb,zb,bodyCentreLine);
alongPlane.normalize();
/*
*adds motor accelration effect to the velocity
*/
alongPlane.scalarMul(accelerationCoefficient*Front_Acceleration*Time);
dv=dv.addV(alongPlane);
/*
* moves the bike according to the velocity along the plane
*/
{
velocity=velocity.addV(dv);
alongPlane=vectorAlongPlane(xb,zb,velocity);
alongPlane.normalize();
alongPlane.scalarMul(velocity.magnitude());
velocity=alongPlane;
if(velocity.magnitude()> Max_Speed){
velocity.normalize();
velocity.scalarMul(Max_Speed);
}
if(velocity.magnitude() <=2.5 && accelerationCoefficient ==0){
velocity.scalarMul(0);
return;
}
xf+=velocity.getX()*Time;
yf+=velocity.getY()*Time;
zf+=velocity.getZ()*Time;
xb+=velocity.getX()*Time;
yb+=velocity.getY()*Time;
zb+=velocity.getZ()*Time;
}
keepBikeOnPlane();
/*
*if the front is inside plane it rotaes it to the plane
* if it is in the air it rotates it downward about the back wheel
*/
if(queryHeight(xf, zf) > yf) rotateBikeOntoPlane();
else if( queryHeight(xf, zf) < yf ) {
rotateThroughPsi(-.75);
rotateBikeOntoPlane();
}
else; // do Nothing
}
/*
* if the back wheel is in the air
*/
else{
Vector temp(0,-Gravity*Time,0);
velocity=velocity.addV(temp);
if(velocity.magnitude()> Max_Speed){
velocity.normalize();
velocity.scalarMul(Max_Speed);
}
/*
* projectile motion in differential form
*/
{
xf+= velocity.getX()*Time;
yf+= velocity.getY()*Time;
zf+= velocity.getZ()*Time;
xb+= velocity.getX()*Time;
yb+= velocity.getY()*Time ;
zb+= velocity.getZ()*Time;
}
keepBikeOnPlane();
if(queryHeight(xf, zf) > yf) rotateBikeOntoPlane();
else rotateThroughPsi(-.75);
}
}