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Dialog popup animation refinement

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Also, ensure the top and left borders are drawn.
This commit is contained in:
Mark Kim 2023-03-15 22:26:48 -04:00
parent bf26a45f6c
commit f95aea5bbc
1 changed files with 28 additions and 8 deletions
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36
src/tuxpaint.c
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@ -15242,14 +15242,15 @@ static int do_prompt_image_flash_snd(const char *const text,
* being drawn and draw the next frame at the adaptive rate.
*/
{
Uint64 anim_ms = 300;
Uint64 last_ms = SDL_GetTicks64();
Uint32 anim_ms = 120;
Uint32 last_ms = SDL_GetTicks();
w = 0;
while(w <= r_ttools.w)
{
Uint64 next_ms = 0;
Uint32 next_ms = 0;
Uint32 dw = 0;
oox = ox - w;
ooy = oy - w;
@ -15269,12 +15270,31 @@ static int do_prompt_image_flash_snd(const char *const text,
SDL_UpdateRect(screen, dest.x, dest.y, dest.w, dest.h);
/* Calculate the amount by which to move to the next animation frame */
next_ms = SDL_GetTicks64();
w += max(1, ((next_ms - last_ms) * r_ttools.w) / anim_ms);
last_ms = next_ms;
}
if(w < r_ttools.w-2) {
while(true) {
next_ms = SDL_GetTicks();
dw = ((next_ms - last_ms) * r_ttools.w + r_tools.w/2) / anim_ms;
if(dw) break;
SDL_BlitSurface(backup, NULL, screen, NULL);
/* This platform is so fast that there is no new frame to draw.
* Yield some time then recalculate the next frame. */
SDL_Delay(1);
}
w += dw;
w = min(w, r_ttools.w-2);
last_ms = next_ms;
}
else if(w == r_ttools.w-2) {
/* Draw the dialog box. The dialog box is drawn 1 frame before the last
* frame because the last frame draws the top and left borders. We
* also skip a frame for artistic reasons. */
SDL_BlitSurface(backup, NULL, screen, NULL);
w += 2;
}
else {
w += 2;
}
}
}
SDL_FreeSurface(backup);