// blip is for a target immune to sensors, so cause to flicker in/out with mild distortion
void radar_blip_draw_flicker_std(blip *b)
{
int xdiff=0, ydiff=0, flicker_index;
if ( (b-Blips) & 1 ) {
flicker_index=0;
} else {
flicker_index=1;
}
if ( timestamp_elapsed(Radar_flicker_timer[flicker_index]) ) {
Radar_flicker_timer[flicker_index] = timestamp_rand(50,1000);
Radar_flicker_on[flicker_index] ^= 1;
}
if ( !Radar_flicker_on[flicker_index] ) {
return;
}
if ( rand() & 1 ) {
xdiff = -2 + rand()%4;
ydiff = -2 + rand()%4;
}
radar_draw_circle_std( b->x+xdiff, b->y+ydiff, b->rad );
}
// Draw all the active radar blips
void draw_radar_blips_std(int blip_type, int bright, int distort)
{
blip* b = NULL;
blip* blip_head = NULL;
Assert((blip_type >= 0) && (blip_type < MAX_BLIP_TYPES));
// Need to set font.
gr_set_font(FONT1);
// get the appropriate blip list
if (bright)
blip_head = &Blip_bright_list[blip_type];
else
blip_head = &Blip_dim_list[blip_type];
// draw all blips of this type
for (b = GET_FIRST(blip_head); b != END_OF_LIST(blip_head); b = GET_NEXT(b))
{
gr_set_color_fast(b->blip_color);
// maybe draw cool blip to indicate current target
if (b->flags & BLIP_CURRENT_TARGET)
{
b->rad = Current_radar_global->Radar_blip_radius_target[gr_screen.res];
current_target_x = b->x;
current_target_y = b->y;
}
else
{
b->rad = Current_radar_global->Radar_blip_radius_normal[gr_screen.res];
}
// maybe distort blip
if (distort)
{
radar_blip_draw_distorted_std(b);
}
else if (b->flags & BLIP_DRAW_DISTORTED)
{
radar_blip_draw_flicker_std(b);
}
else
{
if (b->radar_image_2d == -1)
radar_draw_circle_std(b->x, b->y, b->rad);
else
radar_draw_image_std(b->x, b->y, b->rad, b->radar_image_2d, b->radar_image_size);
}
}
}
// radar is damaged, so make blips dance around
void radar_blip_draw_distorted_std(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_std( b->x+xdiff, b->y+ydiff, b->rad );
}
void radar_draw_image_std(int x, int y, int rad, int idx, int size)
{
// this we will move as ships.tbl option (or use for radar scaling etc etc)
//int size = 24;
int w, h, old_bottom, old_bottom_unscaled, old_right, old_right_unscaled;
float scalef, wf, hf, xf, yf;
vec3d blip_scaler;
if (bm_get_info(idx, &w, &h) < 0)
{
// Just if something goes terribly wrong
radar_draw_circle_std(x, y, rad);
return;
}
// just to make sure the missing casts wont screw the math
wf = (float)w;
hf = (float)h;
xf = (float)x;
yf = (float)y;
// make sure we use the larger dimension for the scaling
// lets go case by case to make sure there are no probs
if (size == -1)
scalef = 1.0f;
else if ((h == w) && (size == h))
scalef = 1.0f;
else if (h > w)
scalef = ((float)size) / hf;
else
scalef = ((float)size) / wf;
Assert(scalef != 0);
// animate the targeted icon - option 1 of highlighting the targets
if (rad == Current_radar_global->Radar_blip_radius_target[gr_screen.res])
{
if (radar_target_id_flags & RTIF_PULSATE)
{
scalef *= 1.3f + (sinf(10 * f2fl(Missiontime)) * 0.3f);
}
if (radar_target_id_flags & RTIF_BLINK)
{
if (Missiontime & 8192)
return;
}
if (radar_target_id_flags & RTIF_ENLARGE)
{
scalef *= 1.3f;
}
}
// setup the scaler
blip_scaler.xyz.x = scalef;
blip_scaler.xyz.y = scalef;
blip_scaler.xyz.z = 1.0f;
old_bottom = gr_screen.clip_bottom;
old_bottom_unscaled = gr_screen.clip_bottom_unscaled;
gr_screen.clip_bottom = (int)(old_bottom / scalef);
gr_screen.clip_bottom_unscaled = (int)(old_bottom_unscaled / scalef);
old_right = gr_screen.clip_right;
old_right_unscaled = gr_screen.clip_right_unscaled;
gr_screen.clip_right = (int)(old_right / scalef);
gr_screen.clip_right_unscaled = (int)(old_right_unscaled / scalef);
// scale the drawing coordinates
x = (int)((xf / scalef) - wf / 2.0f);
y = (int)((yf / scalef) - hf / 2.0f);
gr_push_scale_matrix(&blip_scaler);
gr_set_bitmap(idx, GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f);
gr_aabitmap(x, y);
gr_pop_scale_matrix();
gr_screen.clip_bottom = old_bottom;
gr_screen.clip_bottom_unscaled = old_bottom_unscaled;
gr_screen.clip_right = old_right;
gr_screen.clip_right_unscaled = old_right_unscaled;
}
