void subtitle::do_frame(float frametime)
{
//Figure out how much alpha
if(time_displayed < fade_time)
{
text_color.alpha = (ubyte)fl2i(255.0f*(time_displayed/fade_time));
}
else if(time_displayed > time_displayed_end)
{
//We're finished
return;
}
else if((time_displayed - fade_time) > display_time)
{
text_color.alpha = (ubyte)fl2i(255.0f*(1-(time_displayed - fade_time - display_time)/fade_time));
}
else
{
text_color.alpha = 255;
}
gr_set_color_fast(&text_color);
// save old font and set new font
int old_fontnum;
if (text_fontnum >= 0)
{
old_fontnum = gr_get_current_fontnum();
gr_set_font(text_fontnum);
}
else
{
old_fontnum = -1;
}
int font_height = gr_get_font_height();
int x = text_pos.x;
int y = text_pos.y;
for(SCP_vector<SCP_string>::iterator line = text_lines.begin(); line != text_lines.end(); ++line)
{
gr_string(x, y, (char*)line->c_str(), GR_RESIZE_NONE);
y += font_height;
}
// restore old font
if (old_fontnum >= 0)
{
gr_set_font(old_fontnum);
}
if(image_id >= 0)
{
gr_set_bitmap(image_id, GR_ALPHABLEND_FILTER, GR_BITBLT_MODE_NORMAL, text_color.alpha/255.0f);
// scaling?
if (image_pos.w > 0 || image_pos.h > 0)
{
int orig_w, orig_h;
vec3d scale;
bm_get_info(image_id, &orig_w, &orig_h);
scale.xyz.x = (image_pos.w > 0) ? (image_pos.w / (float) orig_w) : 1.0f;
scale.xyz.y = (image_pos.h > 0) ? (image_pos.h / (float) orig_h) : 1.0f;
scale.xyz.z = 1.0f;
gr_push_scale_matrix(&scale);
gr_bitmap(fl2i(image_pos.x / scale.xyz.x), fl2i(image_pos.y / scale.xyz.y), GR_RESIZE_NONE);
gr_pop_scale_matrix();
}
// no scaling
else
{
gr_bitmap(image_pos.x, image_pos.y, GR_RESIZE_NONE);
}
}
time_displayed += frametime;
}
void HudGaugeRadarStd::drawContactImage( int x, int y, int rad, int idx, int clr_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
drawContactCircle(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 == Radar_blip_radius_target ) {
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);
if ( idx >= 0 ) {
gr_set_bitmap(idx,GR_ALPHABLEND_NONE,GR_BITBLT_MODE_NORMAL,1.0f);
renderBitmap( x, y );
}
if ( clr_idx >= 0 ) {
gr_set_screen_scale(base_w, base_h);
gr_bitmap(x, y);
gr_reset_screen_scale();
}
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;
}