bool TGLobject_directionalcannon_down::cycle(VirtualController *k,class TGLmap *map,GLTManager *GLTM,SFXManager *SFXM,int sfx_volume)
{
TGLobject *ship;
m_cycle++;
bool in_range=false;
ship=map->object_exists("TGLobject_ship",get_x()-320,get_y()-240,get_x()+320,get_y()+240);
if (ship!=0) {
// compute desired angle:
float dx=ship->get_x()-get_x(),dy=ship->get_y()-get_y();
float a=float((180*atan2(float(dx),float(dy)))/M_PI);
a=90-a;
while (a>360) a-=360;
while (a<0) a+=360;
if (a>=190 && a<=350) {
// ship in valid range:
if (m_angle<a) m_angle++;
if (m_angle>a) m_angle--;
if (fabs(m_angle-a)<2) in_range=true;
} // if
} // if
switch(m_state) {
case 0: if (in_range) m_state=1;
break;
case 1: if (in_range) {
// fire
TGLobject *bullet;
int a=m_angle;
while(a<0) a+=360;
while(a>=360) a-=360;
bullet=new TGLobject_bullet(float(get_x()+(cos_degree(a)*14)),float(get_y()+(sin_degree(a)*14)),0,m_angle+90,2,1,GLTM->get("graphics/objects/bullet-grey.png"),this);
map->add_object_back(bullet);
m_state=128;
Sound_play(SFXM->get(TGL_SFX_FOLDER "/shot"),sfx_volume);
// Smoke:
{
int i;
for(i=0;i<4;i++) {
map->add_auxiliary_back_object(new TGLobject_FX_particle(float(get_x()+(cos_degree(a)*14)),float(get_y()+(sin_degree(a)*14)),rand()%60,float((rand()%101)-50)/256.0f,float((rand()%101)-50)/256.0f,1,false,0.25f,0,0.25f,0.75f,50,GLTM->get("graphics/objects/smoke.png")));
} // for
}
} else {
m_state=0;
} // if
break;
default:
m_state--;
} // switch
if (m_hit) {
Sound_play(SFXM->get(TGL_SFX_FOLDER "/enemyhit"),sfx_volume);
m_hit=false;
} // if
if (m_hitpoints<=0) {
Sound_play(SFXM->get(TGL_SFX_FOLDER "/explosion"),sfx_volume);
map->add_auxiliary_front_object(new TGLobject_FX_explosion2(get_x(),get_y(),128,200));
return false;
} // if
return true;
} /* TGLobject_directionalcannon_down::cycle */
bool TGLobject_ha_directionalcannon_left::cycle(VirtualController *k,class TGLmap *map,GLTManager *GLTM,SFXManager *SFXM,int sfx_volume)
{
TGLobject_ship *ship;
m_cycle++;
bool in_range=false;
ship=(TGLobject_ship *)map->object_exists("TGLobject_ship",get_x()-400,get_y()-320,get_x()+400,get_y()+320);
if (ship!=0) {
// compute desired angle:
float dx=ship->get_x()-get_x(),dy=ship->get_y()-get_y();
float angle=float((180*atan2(float(dx),float(dy)))/M_PI);
angle=90-angle;
while (angle>180) angle-=360;
while (angle<-180) angle+=360;
{
int a;
float best_a=angle;
float s_sx=ship->get_speedx();
float s_sy=ship->get_speedy();
float b_sx,b_sy;
float d;
float ls,lb;
float error,min_error=10000;
int min=-80,max=80;
/* Copute the error given an angle "alpha": */
for(a=min;a<max;a+=1) {
b_sx=float(2*cos_degree(a));
b_sy=float(2*sin_degree(a));
d=s_sy*b_sx-s_sx*b_sy;
if (d!=0) {
ls=(dx*b_sy-dy*b_sx)/d;
lb=(s_sy*dx-s_sx*dy)/d;
if (lb>0) {
error=float(fabs(ls-lb));
} else {
error=10000;
} /* if */
} else {
error=10000;
} /* if */
if (error<min_error) {
best_a=float(a);
min_error=error;
} /* if */
} /* for */
while (best_a>360) best_a-=360;
while (best_a<0) best_a+=360;
if (float(fabs(angle-best_a))>60 &&
float(fabs(angle-best_a))<300) {
float d=angle-best_a;
if (d>0 && d<180) best_a=angle-60;
else best_a=angle+60;
} /* if */
angle=best_a;
}
if (angle>=-80 && angle<=80) {
// ship in valid range:
if (m_angle<angle) m_angle++;
if (m_angle>angle) m_angle--;
if (m_angle<angle) m_angle++;
if (m_angle>angle) m_angle--;
if (abs(m_angle-int(angle))<2) in_range=true;
} // if
} // if
switch(m_state) {
case 0: if (in_range) m_state=1;
break;
case 1: if (in_range) {
// fire
TGLobject *bullet;
int a=m_angle;
while(a<0) a+=360;
while(a>=360) a-=360;
bullet=new TGLobject_bullet(float(get_x()+(cos_degree(a)*14)),float(get_y()+(sin_degree(a)*14)),0,m_angle+90,2,1,GLTM->get("objects/bullet-grey"),this);
map->add_object_back(bullet);
m_state=128;
Sound_play(SFXM->get("sfx/shot"),sfx_volume);
// Smoke:
{
int i;
for(i=0;i<4;i++) {
map->add_auxiliary_back_object(new TGLobject_FX_particle(float(get_x()+(cos_degree(a)*14)),float(get_y()+(sin_degree(a)*14)),rand()%60,float((rand()%101)-50)/256.0f,float((rand()%101)-50)/256.0f,1,false,0.25f,0,0.25f,0.75f,50,GLTM->get("objects/smoke")));
} // for
}
} else {
m_state=0;
} // if
break;
default:
m_state--;
} // switch
if (m_hit) {
Sound_play(SFXM->get("sfx/enemyhit"),sfx_volume);
m_hit=false;
} // if
if (m_hitpoints<=0) {
Sound_play(SFXM->get("sfx/explosion"),sfx_volume);
map->add_auxiliary_front_object(new TGLobject_FX_explosion2(get_x(),get_y(),128,200));
return false;
} // if
return true;
} /* TGLobject_ha_directionalcannon_left::cycle */
bool TGLobject_ship_accura::cycle(VirtualController *k,TGLmap *map,GLTManager *GLTM,SFXManager *SFXM,int sfx_volume)
{
m_cycle++;
// Check for collision:
if (map->collision(this,0,0,0)) {
if (!map->collision_with_foreground(this,0,0,0)) {
TGLobject *obj = map->collision_with_object(this);
if (obj->is_a("TGLobject_soft_bullet")) {
int a=obj->get_angle()-90;
while(a<0) a+=360;
while(a>=360) a-=360;
m_speed_x+=float(cos_degree(a)*48.0)/256.0f;
m_speed_y+=float(sin_degree(a)*48.0)/256.0f;
} else {
Sound_play(SFXM->get("sfx/explosion"),sfx_volume);
map->add_auxiliary_front_object(new TGLobject_FX_explosion2(get_x(),get_y(),256,200));
return false;
}
} else {
Sound_play(SFXM->get("sfx/explosion"),sfx_volume);
map->add_auxiliary_front_object(new TGLobject_FX_explosion2(get_x(),get_y(),256,200));
return false;
}
} // if
m_thrusting=false;
if (m_fuel_recharging_timmer>0) {
m_fuel_recharging_timmer--;
if (m_fuel_recharging_timmer==0) {
if (m_fuel_channel!=-1) {
Mix_HaltChannel(m_fuel_channel);
m_fuel_channel=-1;
} // if
} // if
} // if
if (k->m_button[1] && (fabs(m_speed_x)+fabs(m_speed_y))<1) {
TGLobject_ball *ball;
ball=(TGLobject_ball *)map->object_exists("TGLobject_ball",get_x()-16,get_y(),get_x()+16,get_y()+64);
if (ball!=0 && m_ball==0) {
if (ball->attractor()) {
if (ball->get_state()==0) map->action(0);
ball->capture(5);
m_ball=ball;
Sound_play(SFXM->get("sfx/takeball"),sfx_volume);
} // if
} // if
// Attractor effect:
{
if ((m_cycle%6)==0) {
map->add_auxiliary_back_object(new TGLobject_FX_particle(get_x(),get_y()+48,0,0,-1,0,false,
0.5f,0.5f,
0.5f,0.5f,
1,1,
1,0,0.75,0.5f,50,GLTM->get("objects/ripple-back")));
map->add_auxiliary_front_object(new TGLobject_FX_particle(get_x(),get_y()+48,0,0,-1,0,false,
0.5f,0.5f,
0.5f,0.5f,
1,1,
1,0,0.75,0.5f,50,GLTM->get("objects/ripple-front")));
} // if
};
} // if
if (k->m_button[0] && !k->m_old_button[0] && m_fuel>40) {
TGLobject *bullet;
int a=m_angle-90;
while(a<0) a+=360;
while(a>=360) a-=360;
if (m_missile_side==0) {
bullet=new TGLobject_bullet_hmissile(float(get_x()+(cos_degree(a)*8)+(sin_degree(a)*7)),float(get_y()+(sin_degree(a)*8)-(cos_degree(a)*7)),0,m_angle,4,1,GLTM->get("objects/bullet-small-grey-missile1"),GLTM->get("objects/bullet-small-grey-missile2"),this);
m_missile_side=1;
} else {
bullet=new TGLobject_bullet_hmissile(float(get_x()+(cos_degree(a)*8)-(sin_degree(a)*7)),float(get_y()+(sin_degree(a)*8)+(cos_degree(a)*7)),0,m_angle,4,1,GLTM->get("objects/bullet-small-grey-missile1"),GLTM->get("objects/bullet-small-grey-missile2"),this);
m_missile_side=0;
} // if
if (m_ball!=0) bullet->exclude_for_collision(m_ball);
map->add_object_back(bullet);
m_fuel-=40;
Sound_play(SFXM->get("sfx/shipshot2"),sfx_volume);
} // if
if (k->m_joystick[VC_LEFT]) {
m_angle-=4;
if (m_angle<0) m_angle+=360;
} // if
if (k->m_joystick[VC_RIGHT]) {
m_angle+=4;
if (m_angle>=360) m_angle-=360;
} // if
if (k->m_joystick[VC_UP] && m_fuel>0) {
int a=m_angle-90;
while(a<0) a+=360;
while(a>=360) a-=360;
m_speed_x+=float(cos_degree(a)*11.0)/256.0f;
m_speed_y+=float(sin_degree(a)*11.0)/256.0f;
m_thrusting=true;
m_fuel--;
} // if
if (m_speed_x>0) m_speed_x-=1.0f/256.0f;
if (m_speed_x<0) m_speed_x+=1.0f/256.0f;
m_speed_y+=2.0f/256.0f;
if (m_speed_x>8) m_speed_x=8;
if (m_speed_x<-8) m_speed_x=-8;
if (m_speed_y>8) m_speed_y=8;
if (m_speed_y<-8) m_speed_y=-8;
m_x+=m_speed_x;
m_y+=m_speed_y;
if (m_x<0) {
m_x=0;
m_speed_x=0;
} /* if */
if (m_y<0) {
m_y=0;
m_speed_y=0;
} /* if */
if (m_x>(map->get_dx())) {
m_x=float(map->get_dx());
m_speed_x=0;
} /* if */
if (m_y>(map->get_dy())) {
m_y=float(map->get_dy());
m_speed_y=0;
} /* if */
// Ball attraction:
if (m_ball!=0) {
float dx=m_ball->get_x()-get_x();
float dy=m_ball->get_y()-get_y();
float d=float(sqrt(dx*dx+dy*dy));
if (d<2) d=2;
{
float inc=float(28/sqrt(d));
float inc_x=((dx/d)*inc)/256.0f;
float inc_y=((dy/d)*inc)/256.0f;
m_ball->set_speed_x(m_ball->get_speed_x()-inc_x);
m_ball->set_speed_y(m_ball->get_speed_y()-inc_y);
}
} // if
if (m_thrusting) {
if ((m_cycle%4)==0) map->add_auxiliary_back_object(new TGLobject_FX_particle(get_x(),get_y(),rand()%60,0,0,1,false,0.125f,0,0.5f,1.5f,50,GLTM->get("objects/smoke")));
if (m_thrust_channel==-1) {
m_thrust_channel=Sound_play_continuous(SFXM->get("sfx/thrust"),sfx_volume);
} // if
} else {
if (m_thrust_channel!=-1) {
Mix_HaltChannel(m_thrust_channel);
m_thrust_channel=-1;
} // if
} // if
return true;
} /* TGLobject::cycle */
bool TGLobject_FX_explosion2::cycle(VirtualController *k,class TGLmap *map,GLTManager *GLTM,SFXManager *SFXM,int sfx_volume)
{
// Wave
if (m_cycle==0) {
map->insert_auxiliary_front_object(new TGLobject_FX_particle(get_x(),get_y(),0,0,0,0,false,
0.5f,0.5f,
0.5f,0.5f,
1,1,
1,0,m_maxsize/512.0f,m_maxsize/32.0f,m_duration,GLTM->get("objects/ripple-back")));
map->add_auxiliary_front_object(new TGLobject_FX_particle(get_x(),get_y(),0,0,0,0,false,
0.5f,0.5f,
0.5f,0.5f,
1,1,
1,0,m_maxsize/512.0f,m_maxsize/32.0f,m_duration,GLTM->get("objects/ripple-front")));
} // if
// fire:
{
int i;
int range=100;
range=int(m_maxsize/16);
if (range<1) range=1;
for(i=0;i<(m_duration-m_cycle*4);i+=8) {
int r=rand()%range;
int a=rand()%360;
if ((rand()%128)==0) {
map->insert_auxiliary_front_object(new TGLobject_FX_particle(get_x(),get_y(),rand()%360,float(r*cos_degree(a))/16,float(r*sin_degree(a))/16,4,true,
0.5f,0.5f,
0.5f,0.5f,
0.5f,0.5f,
1,0,0.25f,0.35f,m_duration/2,GLTM->get("objects/explosion")));
} else {
if (r<range/2) {
map->add_auxiliary_front_object(new TGLobject_FX_particle(get_x(),get_y(),rand()%360,float(r*cos_degree(a))/32,float(r*sin_degree(a))/32,4,false,
1,1,
1,1,
1,1,
1,0,0.25f,0.35f,m_duration/4,GLTM->get("objects/explosion")));
} else {
map->insert_auxiliary_front_object(new TGLobject_FX_particle(get_x(),get_y(),rand()%360,float(r*cos_degree(a))/32,float(r*sin_degree(a))/32,4,false,
0.5f,0.5f,
0.5f,0.5f,
1,1,
1,0,0.25f,0.35f,m_duration/4,GLTM->get("objects/explosion")));
} // if
} // if
} // for
}
// smoke:
// ...
// particles:
if (m_cycle==0) {
int i;
int range=100;
range=int(m_maxsize);
if (range<1) range=1;
for(i=0;i<m_duration/2;i++) map->add_auxiliary_back_object(new TGLobject_FX_particle(get_x(),get_y(),rand()%60,float((rand()%(range*2+1))-range),float((rand()%(range*2+1))-range),4,true,0.5f,0.5f,0.5f,0.5f,1,1,1.0f,0,0.25f,0.25f,m_duration,GLTM->get("objects/particle1")));
} // if
m_cycle++;
if (m_cycle>m_duration) return false;
return true;
} /* TGLobject_FX_explosion2::cycle */
