// randomly say yes or no to a gauge, if emp is not active, always say yes
int emp_should_blit_gauge()
{
// if the EMP effect is not active, always blit
if(!emp_active_local()){
return 1;
}
// otherwise, randomly say no
return frand_range(0.0f, 1.0f) > Emp_intensity;
}
// throw some jitter into HUD x and y coords
void emp_hud_jitter(int *x, int *y)
{
// if the emp effect is not active, don't jitter anything
if(!emp_active_local()){
return;
}
// some movement
*x += (int)frand_range(-8.0f * Emp_intensity, 8.0f * Emp_intensity);
*y += (int)frand_range(-8.0f * Emp_intensity, 8.0f * Emp_intensity);
}
// radar is damaged, so make blips dance around
void radar_blip_draw_distorted(blip *b)
{
int xdiff, ydiff;
float scale;
xdiff = -10 + rand()%20;
ydiff = -10 + rand()%20;
// maybe scale the effect if EMP is active
if(emp_active_local()){
scale = emp_current_intensity();
xdiff = (int)((float)xdiff * scale);
ydiff = (int)((float)ydiff * scale);
}
radar_draw_circle( b->x+xdiff, b->y+ydiff, b->rad );
}
void HudGaugeRadarStd::blipDrawDistorted(blip *b, int x, int y)
{
int xdiff, ydiff;
float scale;
xdiff = -10 + rand()%20;
ydiff = -10 + rand()%20;
// maybe scale the effect if EMP is active
if(emp_active_local()){
scale = emp_current_intensity();
xdiff = (int)((float)xdiff * scale);
ydiff = (int)((float)ydiff * scale);
}
drawContactCircle(x + xdiff, y + ydiff, b->rad);
}
// process some stuff every frame (before frame is rendered)
void emp_process_local()
{
if(!emp_active_local()){
return;
}
// decrement the intensity a bit
Emp_intensity -= (flFrametime * Emp_decr);
// see if we should choose a random target
if((Emp_wacky_target_timestamp == -1) || timestamp_elapsed(Emp_wacky_target_timestamp)){
// choose a target (if not the "first" time)
if(Emp_wacky_target_timestamp != -1){
hud_target_random_ship();
}
// reset the timestamp
Emp_wacky_target_timestamp = timestamp((int)frand_range(100.0f, 750.0f * (1.0f - Emp_intensity)));
}
}
// emp hud printf
void emp_hud_printf(int x, int y, int gauge_id, const char *format, ...)
{
char tmp[256] = "";
va_list args;
// format the text
va_start(args, format);
vsprintf(tmp, format, args);
va_end(args);
// if the emp effect is not active, don't even bother messing with the text
if(emp_active_local()){
emp_maybe_reformat_text(tmp, 256, gauge_id);
// jitter the coords
emp_hud_jitter(&x, &y);
}
// print the string out
gr_string(x, y, tmp);
}
// emp hud string
void emp_hud_string(int x, int y, int gauge_id, const char *str, int resize_mode)
{
char tmp[256] = "";
// maybe bail
if (!*str)
return;
// copy the string
strcpy_s(tmp, str);
// if the emp effect is not active, don't even bother messing with the text
if(emp_active_local()){
emp_maybe_reformat_text(tmp, 256, gauge_id);
// jitter the coords
emp_hud_jitter(&x, &y);
}
// print the string out
gr_string(x, y, tmp, resize_mode);
}
// radar is damaged, so make blips dance around
void HudGaugeRadarOrb::blipDrawDistorted(blip *b, vec3d *pos)
{
float scale;
float dist=vm_vec_normalize(pos);
vec3d out;
float distortion_angle=20;
// maybe alter the effect if EMP is active
if(emp_active_local()) {
scale = emp_current_intensity();
distortion_angle *= frand_range(-3.0f,3.0f)*frand_range(0.0f, scale);
dist *= frand_range(MAX(0.75f, 0.75f*scale), MIN(1.25f, 1.25f*scale));
if (dist > 1.25f) dist = 1.25f;
if (dist < 0.75f) dist = 0.75f;
}
vm_vec_random_cone(&out,pos,distortion_angle);
vm_vec_scale(&out,dist);
drawContactHtl(&out,b->rad);
}
// radar is damaged, so make blips dance around
void HudGaugeRadarDradis::blipDrawDistorted(blip *b, vec3d *pos, float alpha)
{
float temp_scale;
float dist = vm_vec_normalize(pos);
vec3d out;
float distortion_angle=20;
// maybe alter the effect if EMP is active
if (emp_active_local())
{
temp_scale = emp_current_intensity();
dist *= frand_range(MAX(0.75f, 0.75f*temp_scale), MIN(1.25f, 1.25f*temp_scale));
distortion_angle *= frand_range(-3.0f,3.0f)*frand_range(0.0f, temp_scale);
if (dist > 1.0f) dist = 1.0f;
if (dist < 0.1f) dist = 0.1f;
}
vm_vec_random_cone(&out, pos, distortion_angle);
vm_vec_scale(&out, dist);
drawContact(&out, -1, unknown_contact_icon, b->dist, alpha, 1.0f);
}
// maybe reformat a string
void emp_maybe_reformat_text(char *text, int max_len, int gauge_id)
{
wacky_text *wt;
// if the EMP effect is not active, never reformat it
if(!emp_active_local()){
return;
}
// randomly _don't_ apply text craziness
if(frand_range(0.0f, 1.0f) > Emp_intensity){
return;
}
// if the gauge is EG_NULL, empty the string
if(gauge_id == EG_NULL){
strcpy(text, "");
return;
}
// if this gauge has not been wacked out, or if the timestamp has expired, we
// neeed to wack it out again
Assert((gauge_id >= EG_NULL) && (gauge_id < NUM_TEXT_STAMPS));
wt = &Emp_wacky_text[gauge_id];
if((wt->stamp == -1) || timestamp_elapsed(wt->stamp)){
// reformat specific gauges differently
switch(gauge_id){
// weapons
case EG_WEAPON_TITLE: case EG_WEAPON_P1: case EG_WEAPON_P2: case EG_WEAPON_P3: case EG_WEAPON_S1: case EG_WEAPON_S2:
int wep_index;
wep_index = (int)frand_range(0.0f, (float)(MAX_WEAPON_TYPES - 1));
strcpy_s(wt->str, Weapon_info[ wep_index >= MAX_WEAPON_TYPES ? 0 : wep_index ].name);
break;
// escort list
case EG_ESCORT1: case EG_ESCORT2: case EG_ESCORT3:
// choose a random ship
int shipnum;
shipnum = ship_get_random_targetable_ship();
if(shipnum >= 0){
strcpy_s(wt->str, Ships[shipnum].ship_name);
}
break;
// directives title
case EG_OBJ_TITLE:
strcpy_s(wt->str, "");
break;
// directives themselves
case EG_OBJ1: case EG_OBJ2: case EG_OBJ3: case EG_OBJ4: case EG_OBJ5:
strcpy_s(wt->str, text);
emp_randomize_chars(wt->str);
break;
// target box info
case EG_TBOX_EXTRA1: case EG_TBOX_EXTRA2: case EG_TBOX_EXTRA3: case EG_TBOX_CLASS:
case EG_TBOX_DIST: case EG_TBOX_CARGO: case EG_TBOX_HULL: case EG_TBOX_NAME: case EG_TBOX_INTEG:
strcpy_s(wt->str, text);
emp_randomize_chars(wt->str);
break;
// squadmsg menu
case EG_SQ1: case EG_SQ2: case EG_SQ3: case EG_SQ4: case EG_SQ5: case EG_SQ6: case EG_SQ7:
case EG_SQ8: case EG_SQ9: case EG_SQ10:
strcpy_s(wt->str, text);
emp_randomize_chars(wt->str);
break;
// default
default :
return;
}
// recalculate the timestamp
wt->stamp = timestamp((int)frand_range(100.0f, 750.0f * (1.0f - Emp_intensity)));
// copy the text
strcpy(text, wt->str);
}
// otherwise, use what we calculated last time
else {
strcpy(text, wt->str);
}
// watch out for '#' - Goober5000
end_string_at_first_hash_symbol(text);
}
// hud_update_lock_indicator() will manage the non-rendering dependant part of
// missle locking
void hud_update_lock_indicator(float frametime)
{
ship_weapon *swp;
weapon_info *wip;
vector lock_world_pos;
#ifndef NO_NETWORK
// if i'm a multiplayer observer, bail here
if((Game_mode & GM_MULTIPLAYER) && ((Net_player->flags & NETINFO_FLAG_OBSERVER) || (Player_obj->type == OBJ_OBSERVER)) ){
return;
}
#endif
Assert(Player_ai->target_objnum != -1);
// be sure to unset this flag, then possibly set later in this function so that
// threat indicators work properly.
Player_ai->ai_flags &= ~AIF_SEEK_LOCK;
if ( hud_abort_lock() ) {
hud_lock_reset();
return;
}
// if there is an EMP effect active, never update lock
if(emp_active_local()){
hud_lock_reset();
return;
}
swp = &Player_ship->weapons;
wip = &Weapon_info[swp->secondary_bank_weapons[swp->current_secondary_bank]];
Lock_start_dist = wip->min_lock_time * wip->lock_pixels_per_sec;
// if secondary weapons change, reset the lock
if ( hud_lock_secondary_weapon_changed(swp) ) {
hud_lock_reset();
}
Player_ai->last_secondary_index = swp->current_secondary_bank;
if ( !(wip->wi_flags & WIF_HOMING_ASPECT) ) {
hud_lock_reset();
return;
}
// Allow locking on ships and bombs (only targeted weapon allowed is a bomb, so don't bother checking flags)
if ( (Objects[Player_ai->target_objnum].type != OBJ_SHIP) && (Objects[Player_ai->target_objnum].type != OBJ_WEAPON) ) {
hud_lock_reset();
return;
}
hud_lock_determine_lock_point(&lock_world_pos);
if ( !hud_lock_has_homing_point() ) {
Player->target_in_lock_cone=0;
}
hud_lock_check_if_target_in_lock_cone(&lock_world_pos);
// check if the target is within range of the current secondary weapon. If it is not,
// a lock will not be detected
if ( !hud_lock_target_in_range() ) {
Player->target_in_lock_cone = 0;
}
// If locking on a subsystem, and not in sight... can't lock
// Changed by MK on 4/3/98. It was confusing me that my hornets would not lock on my target.
// It will now be confusing that they lock, but don't home on your subsystem, but I think that's preferable.
// Often you really care about destroying the target, not just the subsystem.
/*if ( Player_ai->targeted_subsys ) {
if ( !hud_lock_on_subsys_ok() ) {
Player->target_in_lock_cone=0;
}
}*/
if ( !Player->target_in_lock_cone ) {
Player->locking_on_center=0;
Player->locking_subsys_parent=-1;
Player->locking_subsys=NULL;
}
hud_calculate_lock_position(frametime);
if (!Players[Player_num].lock_indicator_visible)
return;
if (Player_ai->current_target_is_locked) {
if ( Missile_track_loop > -1 ) {
snd_chg_loop_status(Missile_track_loop, 0);
Missile_track_loop = -1;
Missile_lock_loop = snd_play(&Snds[SND_MISSILE_LOCK]);
}
}
else {
Player_ai->ai_flags |= AIF_SEEK_LOCK; // set this flag so multiplayer's properly track lock on other ships
if ( Missile_lock_loop != -1 && snd_is_playing(Missile_lock_loop) ) {
snd_stop(Missile_lock_loop);
Missile_lock_loop = -1;
}
}
}
void radar_frame_render(float frametime)
{
float sensors_str;
int ok_to_blit_radar;
ok_to_blit_radar = 1;
sensors_str = ship_get_subsystem_strength( Player_ship, SUBSYSTEM_SENSORS );
if ( ship_subsys_disrupted(Player_ship, SUBSYSTEM_SENSORS) ) {
sensors_str = MIN_SENSOR_STR_TO_RADAR-1;
}
// note that on lowest skill level, there is no radar effects due to sensors damage
if ( (Game_skill_level == 0) || (sensors_str > SENSOR_STR_RADAR_NO_EFFECTS) ) {
Radar_static_playing = 0;
Radar_static_next = 0;
Radar_death_timer = 0;
Radar_avail_prev_frame = 1;
} else if ( sensors_str < MIN_SENSOR_STR_TO_RADAR ) {
if ( Radar_avail_prev_frame ) {
Radar_death_timer = timestamp(2000);
Radar_static_next = 1;
}
Radar_avail_prev_frame = 0;
} else {
Radar_death_timer = 0;
if ( Radar_static_next == 0 )
Radar_static_next = 1;
}
if ( timestamp_elapsed(Radar_death_timer) ) {
ok_to_blit_radar = 0;
}
hud_set_gauge_color(HUD_RADAR);
radar_blit_gauge();
radar_draw_range();
if ( timestamp_elapsed(Radar_static_next) ) {
Radar_static_playing ^= 1;
Radar_static_next = timestamp_rand(50, 750);
}
// if the emp effect is active, always draw the radar wackily
if(emp_active_local()){
Radar_static_playing = 1;
}
if ( ok_to_blit_radar ) {
if ( Radar_static_playing ) {
radar_draw_blips_sorted(1); // passing 1 means to draw distorted
if ( Radar_static_looping == -1 ) {
Radar_static_looping = snd_play_looping(&Snds[SND_STATIC]);
}
} else {
radar_draw_blips_sorted();
if ( Radar_static_looping != -1 ) {
snd_stop(Radar_static_looping);
Radar_static_looping = -1;
}
}
} else {
if ( Radar_static_looping != -1 ) {
snd_stop(Radar_static_looping);
Radar_static_looping = -1;
}
}
}
void HudGaugeRadarDradis::render(float frametime)
{
float sensors_str;
int ok_to_blit_radar;
ok_to_blit_radar = 1;
sensors_str = ship_get_subsystem_strength(Player_ship, SUBSYSTEM_SENSORS);
if (ship_subsys_disrupted(Player_ship, SUBSYSTEM_SENSORS))
sensors_str = MIN_SENSOR_STR_TO_RADAR - 1;
// note that on lowest skill level, there is no radar effects due to sensors damage
if ((Game_skill_level == 0) || (sensors_str > SENSOR_STR_RADAR_NO_EFFECTS))
{
Radar_static_playing = 0;
Radar_static_next = 0;
Radar_death_timer = 0;
Radar_avail_prev_frame = 1;
}
else
if (sensors_str < MIN_SENSOR_STR_TO_RADAR)
{
if (Radar_avail_prev_frame)
{
Radar_death_timer = timestamp(2000);
Radar_static_next = 1;
}
Radar_avail_prev_frame = 0;
}
else
{
Radar_death_timer = 0;
if (Radar_static_next == 0)
Radar_static_next = 1;
}
if (timestamp_elapsed(Radar_death_timer))
ok_to_blit_radar = 0;
setupViewHtl();
//WMC - This strikes me as a bit hackish
bool g3_yourself = !g3_in_frame();
if(g3_yourself)
g3_start_frame(1);
drawSweeps();
if (timestamp_elapsed(Radar_static_next))
{
Radar_static_playing ^= 1;
Radar_static_next = timestamp_rand(50, 750);
}
// if the emp effect is active, always draw the radar wackily
if (emp_active_local())
Radar_static_playing = 1;
if (ok_to_blit_radar)
{
if (Radar_static_playing)
{
drawBlipsSorted(1); // passing 1 means to draw distorted
if (Radar_static_looping == -1)
Radar_static_looping = snd_play_looping(&Snds[SND_STATIC]);
}
else
{
drawBlipsSorted(0);
if (Radar_static_looping != -1)
{
snd_stop(Radar_static_looping);
Radar_static_looping = -1;
}
}
}
else
{
if (Radar_static_looping != -1)
{
snd_stop(Radar_static_looping);
Radar_static_looping = -1;
}
}
if(g3_yourself)
g3_end_frame();
doneDrawingHtl();
}
// hud_do_lock_indicator() manages missle locking, both the non-rendering calculations and the 2D HUD rendering
void hud_do_lock_indicator(float frametime)
{
ship_weapon *swp;
weapon_info *wip;
// if i'm a multiplayer observer, bail here
if((Game_mode & GM_MULTIPLAYER) && ((Net_player->flags & NETINFO_FLAG_OBSERVER) || (Player_obj->type == OBJ_OBSERVER)) ){
return;
}
Assert(Player_ai->target_objnum >= 0);
// be sure to unset this flag, then possibly set later in this function so that
// threat indicators work properly.
Player_ai->ai_flags.remove(AI::AI_Flags::Seek_lock);
if ( hud_abort_lock() ) {
hud_lock_reset();
return;
}
// if there is an EMP effect active, never update lock
if(emp_active_local()){
hud_lock_reset();
return;
}
swp = &Player_ship->weapons;
wip = &Weapon_info[swp->secondary_bank_weapons[swp->current_secondary_bank]];
Lock_start_dist = wip->min_lock_time * wip->lock_pixels_per_sec;
// if secondary weapons change, reset the lock
if ( hud_lock_secondary_weapon_changed(swp) ) {
hud_lock_reset();
}
Player_ai->last_secondary_index = swp->current_secondary_bank;
object *tobjp = &Objects[Player_ai->target_objnum];
vec3d dir_to_target;
vm_vec_normalized_dir(&dir_to_target, &tobjp->pos, &Player_obj->pos);
if ( !(wip->is_locked_homing()) ) {
hud_lock_reset();
return;
}
// Allow locking on ships and bombs (only targeted weapon allowed is a bomb, so don't bother checking flags)
if ( (Objects[Player_ai->target_objnum].type != OBJ_SHIP) && (Objects[Player_ai->target_objnum].type != OBJ_WEAPON) ) {
hud_lock_reset();
return;
}
// Javelins must lock on engines if locking on a ship and those must be in sight
if (wip->wi_flags[Weapon::Info_Flags::Homing_javelin] &&
tobjp->type == OBJ_SHIP &&
Player->locking_subsys != NULL) {
vec3d subobj_pos;
vm_vec_unrotate(&subobj_pos, &Player->locking_subsys->system_info->pnt, &tobjp->orient);
vm_vec_add2(&subobj_pos, &tobjp->pos);
int target_subsys_in_sight = ship_subsystem_in_sight(tobjp, Player->locking_subsys, &Player_obj->pos, &subobj_pos);
if (!target_subsys_in_sight || Player->locking_subsys->system_info->type != SUBSYSTEM_ENGINE) {
Player->locking_subsys =
ship_get_closest_subsys_in_sight(&Ships[tobjp->instance], SUBSYSTEM_ENGINE, &Player_obj->pos);
}
}
if (wip->wi_flags[Weapon::Info_Flags::Homing_javelin] &&
tobjp->type == OBJ_SHIP &&
Player->locking_subsys == NULL) {
Player->locking_subsys =
ship_get_closest_subsys_in_sight(&Ships[tobjp->instance], SUBSYSTEM_ENGINE, &Player_obj->pos);
if (Player->locking_subsys == NULL) {
hud_lock_reset();
return;
}
}
hud_lock_determine_lock_point(&lock_world_pos);
if ( !hud_lock_has_homing_point() ) {
Player->target_in_lock_cone=0;
}
hud_lock_check_if_target_in_lock_cone();
// check if the target is within range of the current secondary weapon. If it is not,
// a lock will not be detected
if ( !hud_lock_target_in_range() ) {
Player->target_in_lock_cone = 0;
}
// If locking on a subsystem, and not in sight... can't lock
// Changed by MK on 4/3/98. It was confusing me that my hornets would not lock on my target.
// It will now be confusing that they lock, but don't home on your subsystem, but I think that's preferable.
// Often you really care about destroying the target, not just the subsystem.
/*if ( Player_ai->targeted_subsys ) {
if ( !hud_lock_on_subsys_ok() ) {
Player->target_in_lock_cone=0;
}
}*/
if ( !Player->target_in_lock_cone ) {
Player->locking_on_center=0;
Player->locking_subsys_parent=-1;
Player->locking_subsys=NULL;
}
hud_calculate_lock_position(frametime);
if (!Players[Player_num].lock_indicator_visible)
return;
if (Player_ai->current_target_is_locked) {
if ( Missile_track_loop > -1 ) {
snd_stop(Missile_track_loop);
Missile_track_loop = -1;
if (wip->hud_locked_snd >= 0)
{
Missile_lock_loop = snd_play(&Snds[wip->hud_locked_snd]);
}
else
{
Missile_lock_loop = snd_play(&Snds[ship_get_sound(Player_obj, SND_MISSILE_LOCK)]);
}
}
}
else {
Player_ai->ai_flags.set(AI::AI_Flags::Seek_lock); // set this flag so multiplayer's properly track lock on other ships
if ( Missile_lock_loop != -1 && snd_is_playing(Missile_lock_loop) ) {
snd_stop(Missile_lock_loop);
Missile_lock_loop = -1;
}
}
}