void deleteBulletPool(BulletPool *bp){
int i;
for (i = 0; i < 5; i++) {
deleteBullet(bp->particles_[i]);
}
free(bp);
}
void physics(Game *g)
{
Flt d0,d1,dist;
//Update ship position
g->ship.pos[0] += g->ship.vel[0];
g->ship.pos[1] += g->ship.vel[1];
//Check for collision with window edges
if (g->ship.pos[0] < 0.0) {
g->ship.pos[0] += (float)xres;
}
else if (g->ship.pos[0] > (float)xres) {
g->ship.pos[0] -= (float)xres;
}
else if (g->ship.pos[1] < 0.0) {
g->ship.pos[1] += (float)yres;
}
else if (g->ship.pos[1] > (float)yres) {
g->ship.pos[1] -= (float)yres;
}
//
//
//Update bullet positions
struct timespec bt;
clock_gettime(CLOCK_REALTIME, &bt);
Bullet *b = g->bhead;
while (b) {
//How long has bullet been alive?
double ts = timeDiff(&b->time, &bt);
if (ts > 2.5) {
//time to delete the bullet.
Bullet *saveb = b->next;
deleteBullet(g, b);
b = saveb;
g->nbullets--;
continue;
}
//move the bullet
b->pos[0] += b->vel[0];
b->pos[1] += b->vel[1];
//Check for collision with window edges
if (b->pos[0] < 0.0) {
b->pos[0] += (float)xres;
}
else if (b->pos[0] > (float)xres) {
b->pos[0] -= (float)xres;
}
else if (b->pos[1] < 0.0) {
b->pos[1] += (float)yres;
}
else if (b->pos[1] > (float)yres) {
b->pos[1] -= (float)yres;
}
b = b->next;
}
//
//Update asteroid positions
Asteroid *a = g->ahead;
while (a) {
a->pos[0] += a->vel[0];
a->pos[1] += a->vel[1];
//Check for collision with window edges
if (a->pos[0] < -100.0) {
a->pos[0] += (float)xres+200;
}
else if (a->pos[0] > (float)xres+100) {
a->pos[0] -= (float)xres+200;
}
else if (a->pos[1] < -100.0) {
a->pos[1] += (float)yres+200;
}
else if (a->pos[1] > (float)yres+100) {
a->pos[1] -= (float)yres+200;
}
a->angle += a->rotate;
a = a->next;
}
//
//Asteroid collision with bullets?
//If collision detected:
// 1. delete the bullet
// 2. break the asteroid into pieces
// if asteroid small, delete it
a = g->ahead;
while (a) {
//is there a bullet within its radius?
Bullet *b = g->bhead;
while (b) {
d0 = b->pos[0] - a->pos[0];
d1 = b->pos[1] - a->pos[1];
dist = (d0*d0 + d1*d1);
if (dist < (a->radius*a->radius)) {
//std::cout << "asteroid hit." << std::endl;
//this asteroid is hit.
if (a->radius > 20.0) {
//break it into pieces.
Asteroid *ta = a;
buildAsteroidFragment(ta, a);
int r = rand()%10+5;
for (int k=0; k<r; k++) {
//get the next asteroid position in the array
Asteroid *ta = new Asteroid;
buildAsteroidFragment(ta, a);
//add to front of asteroid linked list
ta->next = g->ahead;
if (g->ahead != NULL)
g->ahead->prev = ta;
g->ahead = ta;
g->nasteroids++;
}
} else {
a->color[0] = 1.0;
a->color[1] = 0.1;
a->color[2] = 0.1;
//asteroid is too small to break up
//delete the asteroid and bullet
Asteroid *savea = a->next;
deleteAsteroid(g, a);
a = savea;
g->nasteroids--;
}
//delete the bullet...
Bullet *saveb = b->next;
deleteBullet(g, b);
b = saveb;
g->nbullets--;
if (a == NULL)
break;
continue;
}
b = b->next;
}
if (a == NULL)
break;
a = a->next;
}
//---------------------------------------------------
//check keys pressed now
if (keys[XK_Left]) {
g->ship.angle += 4.0;
if (g->ship.angle >= 360.0f)
g->ship.angle -= 360.0f;
}
if (keys[XK_Right]) {
g->ship.angle -= 4.0;
if (g->ship.angle < 0.0f)
g->ship.angle += 360.0f;
}
if (keys[XK_Up]) {
//apply thrust
//convert ship angle to radians
Flt rad = ((g->ship.angle+90.0) / 360.0f) * PI * 2.0;
//convert angle to a vector
Flt xdir = cos(rad);
Flt ydir = sin(rad);
g->ship.vel[0] += xdir*0.02f;
g->ship.vel[1] += ydir*0.02f;
Flt speed = sqrt(g->ship.vel[0]*g->ship.vel[0]+
g->ship.vel[1]*g->ship.vel[1]);
if (speed > 10.0f) {
speed = 10.0f;
normalize(g->ship.vel);
g->ship.vel[0] *= speed;
g->ship.vel[1] *= speed;
}
}
if (keys[XK_space]) {
//a little time between each bullet
struct timespec bt;
clock_gettime(CLOCK_REALTIME, &bt);
double ts = timeDiff(&g->bulletTimer, &bt);
if (ts > 0.1) {
timeCopy(&g->bulletTimer, &bt);
//shoot a bullet...
Bullet *b = new Bullet;
timeCopy(&b->time, &bt);
b->pos[0] = g->ship.pos[0];
b->pos[1] = g->ship.pos[1];
b->vel[0] = g->ship.vel[0];
b->vel[1] = g->ship.vel[1];
//convert ship angle to radians
Flt rad = ((g->ship.angle+90.0) / 360.0f) * PI * 2.0;
//convert angle to a vector
Flt xdir = cos(rad);
Flt ydir = sin(rad);
b->pos[0] += xdir*20.0f;
b->pos[1] += ydir*20.0f;
b->vel[0] += xdir*6.0f + rnd()*0.1;
b->vel[1] += ydir*6.0f + rnd()*0.1;
b->color[0] = 1.0f;
b->color[1] = 1.0f;
b->color[2] = 1.0f;
//add to front of bullet linked list
b->next = g->bhead;
if (g->bhead != NULL)
g->bhead->prev = b;
g->bhead = b;
g->nbullets++;
}
}
}
void collision ( Game *game )
{
gatorEat = false;
if ( !game->demo.on ) {
float gravity = 0.3*game->difficulty;
if (game->difficulty == 3)
gravity -= 0.1;
if ( game->c.isJumping ) {
game->c.center[1] += game->c.velocity[1];
game->c.velocity[0] = 0;
game->c.velocity[1] -= gravity;
if ( game->c.center[1] <= 0 ) {
game->c.isJumping = false;
game->c.isStanding = true;
game->c.center[1] = 15;
}
}
if ( game->c.center[0] == game->c.newPosX &&
game->c.center[1] == game->c.newPosY )
return;
if ( game->c.center[0] < game->c.newPosX ) {
if ( game->c.isJumping ) {
game->c.center[0] += 20.0;
} else {
game->c.center[0] += 10.0;
if ( game->c.velocity[0]<=0 )
game->c.velocity[0]+=0.2;
}
if ( game->c.center[0] > game->c.newPosX )
game->c.center[0] = game->c.newPosX;
} else if ( game->c.center[0] > game->c.newPosX ) {
if ( game->c.isJumping ) {
game->c.center[0] -= 15.0;
} else {
game->c.center[0] -= 10.0;
if ( game->c.velocity[0]>=0 )
game->c.velocity[0] -=0.2;
}
if ( game->c.center[0] < game->c.newPosX )
game->c.center[0] = game->c.newPosX;
}
}
if ( game->frog->rocket() && game->frog->getFrame() ==1 ) {
playSounds ( "./wav/rocket.wav", 1.0f, false, game->muted );
}
if ( game->rocketSound )
playSounds ( "./wav/rocket.wav", 1.0f, false, true );
// NO collision below this Y value
if ( game->frog->getYpos() > ( 50+ ( 20*game->difficulty ) ) ) {
//check for frog(ball)'s collision with lilies
Lilypad *node = game->ihead;
if ( game->c.isStanding == false ) {
while ( node ) {
float d1 = node->pos[1] - game->c.center[1];
float d2 = node->pos[0] - game->c.center[0];
float dist = sqrt ( d1*d1 + d2*d2 );
if ( dist <= game->c.radius+node->size+15/game->difficulty ) {
//rejump the ball
game->c.isJumping = true;
game->c.velocity[1] = 15.0;
playSounds ( "./wav/boing2.wav",1.0f, false,game->muted );
deleteLily ( node,game );
//basic scoring for now -Kevin
if (game->stresstest) {
game->score+=1;
} else {
if (game->troll_lilypad &&
game->difficulty == 1) {
game->score+=2;
} else if (game->troll_lilypad &&
game->difficulty == 2) {
game->score+=4;
} else if (game->troll_lilypad &&
game->difficulty == 3) {
game->score+=7;
}
game->score+=10;
}
}
node = node->next;
}
}
// ========================================
// collision frog with log
for ( int i=0; i<4; i++ ) {
if ( game->frog->getXpos() <= game->log[i]->getXpos()+15 &&
game->frog->getXpos() >= game->log[i]->getXpos()-15 &&
game->frog->getYpos() <= game->log[i]->getYpos()+50 &&
game->frog->getYpos() >= game->log[i]->getYpos()-50 ) {
game->c.velocity[1]=game->log[i]->getYvel()+15;
playSounds ( "./wav/tick.wav",1.0f, false, game->muted );
game->score+=2;
}
}
// ============================================
// collision frog with golden turtle
if ( game->turtle->isGolden() ) {
if ( game->frog->getXpos() <= game->turtle->getXpos()+15 &&
game->frog->getXpos() >= game->turtle->getXpos()-15 &&
game->frog->getYpos() <= game->turtle->getYpos()+50 &&
game->frog->getYpos() >= game->turtle->getYpos()-50 ) {
game->c.velocity[1] = game->turtle->getYvel()+15;
playSounds ( "./wav/money.wav",1.0f, false, game->muted );
game->score+=500;
game->turtle->notGolden();
}
}
// ============================================
//Collision between frog and bullet
float d0, d1, dist;
Bullet *b = &game->barr[0];
d0 = b->pos[0] - game->frog->getXpos();
d1 = b->pos[1] - game->frog->getYpos();
dist = ( d0*d0 + d1*d1 );
if ( dist < ( 30.0f * 30.0f ) ) {
shotMonster = true;
deleteBullet(game, b);
gameOver ( game );
}
// FLY =====================================================
int tongue=60/game->difficulty;
if ( game->frog->getXpos() >= game->fly->getXpos()- tongue &&
game->frog->getXpos() <= game->fly->getXpos()+ tongue &&
game->frog->getYpos() <= game->fly->getYpos()+ tongue &&
game->frog->getYpos() >= game->fly->getYpos()- tongue ) {
playSounds ( "./wav/tick.wav",1.0f, false, game->muted );
game->score+=50;
game->fly->death ( game->frog->getXpos(),game->frog->getYpos() );
//std::cout<<"dead fly"<<std::endl;
}
// SWARM =====================================================
if ( game->swarmOn ) {
for ( int i=0; i < game->swarmSize; i++ ) {
int tongue=30/game->difficulty;
if ( game->frog->getXpos() >=
game->swarm[i]->getXpos()-tongue &&
game->frog->getXpos() <=
game->swarm[i]->getXpos()+ tongue &&
game->frog->getYpos() <=
game->swarm[i]->getYpos()+ tongue &&
game->frog->getYpos() >=
game->swarm[i]->getYpos()- tongue ) {
playSounds ( "./wav/tick.wav",1.0f, false, game->muted );
game->score+=1;
game->swarm[i]->death(game->frog->getXpos(),
game->frog->getYpos());
}
}
//std::cout<<"dead fly"<<std::endl;
}
// pickup rocketPack ==================================================
int reach=50/game->difficulty;
if ( game->frog->getXpos() >= game->rocketPack->getXpos()- reach &&
game->frog->getXpos() <= game->rocketPack->getXpos()+ reach &&
game->frog->getYpos() <= game->rocketPack->getYpos()+ reach &&
game->frog->getYpos() >= game->rocketPack->getYpos()- reach ) {
playSounds ( "./wav/tick.wav",1.0f, false, game->muted );
game->score+=10;
game->frog->addRocket();
game->rocketPack->setFrame ( 500 );
//std::cout<<"dead rocketPack"<<std::endl;
}
// collision frog with gator head
int head = 5 * game->difficulty;
if ( game->frog->getXpos() <= game->gator->getXpos()- ( 5 + head ) &&
game->frog->getXpos() >= game->gator->getXpos()-
( 30 + head ) &&
game->frog->getYpos() <= game->gator->getYpos()+
( 5 + head ) &&
game->frog->getYpos() >= game->gator->getYpos()-
( 5 + head ) ) {
game->gator->eat();
gatorEat = true;
gameOver ( game );
}
// collision frog with gator back
int back = 90/ game->difficulty;
if ( game->frog->getXpos() <= game->gator->getXpos()+ back &&
game->frog->getXpos() >= game->gator->getXpos()-
( back-head ) &&
game->frog->getYpos() <= game->gator->getYpos()+ back/2 &&
game->frog->getYpos() >= game->gator->getYpos()-back/2 ) {
game->c.isJumping = true;
game->c.velocity[1] = 15.0;
playSounds ( "./wav/boing2.wav",1.0f, false,game->muted );
game->score+=30;
game->gator->dive();
}
// collision gator with log
for ( int i=0; i<4; i++ ) {
if ( game->gator->getXpos() <= game->log[i]->getXpos()+80 &&
game->gator->getXpos() >= game->log[i]->getXpos()-20 &&
game->gator->getYpos() >= game->log[i]->getYpos()-50 &&
game->gator->getYpos() <= game->log[i]->getYpos()+50 ) {
game->gator->move ( game->gator->getXpos()+45,
game->gator->getYpos()+15,
game->gator->getXvel(),game->gator->getYvel() );
}
}
}
//
// check if frog left bridge
if ( game->frog->getYpos() > 60 && game->score > 0 ) {
//move bridge downward
game->bridge->move ( game->bridge->getXpos(),
game->bridge->getYpos()-0.5, 0, 0 );
}
//fell down
if ( game->frog->getYpos() <=40 && game->bridge->getYpos() <=100 ) {
gameOver ( game );
}
//frog at bottom
if ( game->frog->getYpos() <= 40.0 &&
game->bridge->getYpos() <=100 && game->lives < 1 ) {
game->highscore[++game->scoreCount] = game->score;
game->score = 0;
}
shotMonster = false;
}
void gameOver ( Game *game )
{
if ( game->demo.on ) {
return;
}
if ( checkHighScore ( game,game->score ) ) {
game->tempscore = game->score;
}
if ( !game->hschecked ) {
game->hschecked = true;
initHighScore ( game );
}
if ( shotMonster ) {
// move explosion on screen if offscreen
if ( game->explosion->getXpos() < 0 ) {
playSounds ( "./wav/explosion.wav",1.0f, false,game->muted );
game->explosion->move ( game->frog->getXpos(),
game->frog->getYpos()+40,0,0 );
//game->bossGO = false;
}
for (int i=0; i<game->nbullets; i++) {
Bullet *b = &game->barr[i];
deleteBullet(game, b);
}
} else {
// move splash on screen if offscreen
if ( game->splash->getXpos() < 0 ) {
if (gatorEat)
playSounds ( "./wav/bite.wav", 1.0f, false, game->muted );
else
playSounds ( "./wav/fishsplash.wav",1.0f, false,game->muted );
game->splash->move ( game->frog->getXpos(),
game->frog->getYpos()+40,0,0 );
}
//sendScoresToPHP(game->score, game->difficulty);
}
//move frog,logs and gator offscreen
game->frog->move ( -200,-200,0,0 );
for ( int i=0; i<4; i++ ) {
game->log[i]->move ( -200*i,-300,0,0 );
}
//game->gator->move ( -200,-200,0,0 );
// reset lilies
clearLilies ( game );
//wait for splash to complete
if ( game->splash->getFrame() >=195 ) {
//cout << game->tempscore << endl;
//move bridge back
game->bridge->move ( 300,150,0,0 );
game->lives--;
for ( int i=0; i<4; i++ ) {
game->log[i]->move ( 50*i,-100*i,-.15*i,-1 );
}
game->gator->move ( -300,400,-2,-.5 );
game->frog->move ( -100,-800,0,0 );
game->frog->setYpos ( game->frog->getYpos()-10 );
game->frog->setXpos ( game->frog->getXpos()-800 );
game->splash->move ( -200,-200,0,0 );
if ( checkHighScore ( game,game->tempscore ) && game->lives < 0 ) {
game->isHighScore = true;
game->showTaunt = false;
playSounds ( "./wav/wow.wav", 0.5, false, game->muted );
} else if (game->lives < 0 ) {
game->isHighScore = false;
game->showTaunt = true;
playSounds ( "./wav/haha.wav", 0.5, false, game->muted );
}
if ( game->lives < 0 ) {
game->gameover = true;
playSounds ( "./wav/gameoverSound.wav", 1.0f, false, game->muted);
game->lives = 1;
}
game->hschecked = false;
}
}
void displayAllBullets()
{
int pos;
for (int i=0;i<server_data.bullet_count;i++)
{
Bullet b=server_data.bullets[i];
switch(b.dir)
{
case DOWN:
b.i = b.i-1;
break;
case UP:
b.i = b.i+1;
break;
case RIGHT:
b.j = b.j+1;
break;
case LEFT:
b.j = b.j-1;
break;
}
if(CheckPlayerCollide(b.i,b.j)!=-1)
{
pos=CheckPlayerCollide(b.i,b.j);
deleteBullet(i);
Alien a=server_data.aliens[pos];
a.energy -=20;
server_data.aliens[pos]=a;
if(getCommandoIndex(server_data.bullets[i].pid)!=-1)
{
int commpos =getCommandoIndex(server_data.bullets[i].pid);
server_data.commandos[commpos].score +=100;
}
if(getAlienIndex(server_data.bullets[i].pid)!=-1)
{
int alienpos =getAlienIndex(server_data.bullets[i].pid);
server_data.aliens[alienpos].score -=100;
}
if(a.energy <= 0)
{server_data.map_matrix[a.i][a.j]=NONE;
deleteAlien(pos);}
}
else if(checkAppleCollide(b.i,b.j)!=-1)
{
pos=checkAppleCollide(b.i,b.j);
deleteBullet(i);
destroyGenerateApple(pos);
server_data.map_matrix[b.i][b.j]=NONE;
}
else if(isObstacle(b.i,b.j))
{
deleteBullet(i);
server_data.map_matrix[b.i][b.j]=NONE;
}
else if(checkBulletCollide(b.i,b.j)!=-1)
{
pos=checkBulletCollide(b.i,b.j);
if(i>pos)
{
deleteBullet(i);
deleteBullet(pos);
}
else
{
deleteBullet(pos);
deleteBullet(i);
}
server_data.map_matrix[b.i][b.j]=NONE;
}
if(checkCommandoCollide(b.i,b.j)!=-1)
{
pos=checkCommandoCollide(b.i,b.j);
Commando c=server_data.commandos[pos];
c.energy -=20;
server_data.commandos[pos]=c;
if(getCommandoIndex(server_data.bullets[i].pid)!=-1)
{
int commpos =getCommandoIndex(server_data.bullets[i].pid);
server_data.commandos[commpos].score -=100;
}
if(getAlienIndex(server_data.bullets[i].pid)!=-1)
{
int alienpos =getAlienIndex(server_data.bullets[i].pid);
server_data.aliens[alienpos].score +=100;
}
if(c.energy <= 0)
{server_data.map_matrix[c.i][c.j]=NONE;
deleteCommando(pos);}
deleteBullet(i);
}
else
{
server_data.bullets[i]=b;
if(b.i<0 || b.i>(ROWS-1) ||b.j <0 || b.j >(COLUMNS-1) )
{
deleteBullet(i);
}
}
}
}
