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Add a new game concept called a `flash'. This is a graphical effect

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taking non-zero time, which is triggered by the making of a move and
is _not_ hurried to its conclusion by the start of the next move (so
the game redraw function is expected to be able to draw it in
parallel with continuing moves). The only thing that prematurely
terminates a flash is the start of a fresh flash. In particular,
this concept is used to display the completion flash in Net, because
at least _my_ playing instincts make me lock every piece I've
unambiguously placed, and hence the last turn move is instantly
followed by a lock move which was previously suppressing the
completion flash.

[originally from svn r4168]
This commit is contained in:
Simon Tatham
2004-04-28 18:43:50 +00:00
parent 64e6afdeed
commit d396382abd
4 changed files with 66 additions and 29 deletions
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28
net.c
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@ -1060,7 +1060,7 @@ static void draw_tile(frontend *fe, game_state *state, int x, int y, int tile,
}
void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
game_state *state, float t)
game_state *state, float t, float ft)
{
int x, y, tx, ty, frame;
unsigned char *active;
@ -1118,7 +1118,6 @@ void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
}
tx = ty = -1;
frame = -1;
if (oldstate && (t < ROTATE_TIME)) {
/*
* We're animating a tile rotation. Find the turning tile,
@ -1140,12 +1139,15 @@ void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
angle = state->last_rotate_dir * -90.0F * (t / ROTATE_TIME);
state = oldstate;
}
} else if (t > ROTATE_TIME) {
}
frame = -1;
if (ft > 0) {
/*
* We're animating a completion flash. Find which frame
* we're at.
*/
frame = (int)((t - ROTATE_TIME) / FLASH_FRAME);
frame = (int)(ft / FLASH_FRAME);
}
/*
@ -1192,7 +1194,6 @@ void game_redraw(frontend *fe, game_drawstate *ds, game_state *oldstate,
float game_anim_length(game_state *oldstate, game_state *newstate)
{
float ret = 0.0F;
int x, y;
/*
@ -1202,14 +1203,17 @@ float game_anim_length(game_state *oldstate, game_state *newstate)
for (x = 0; x < oldstate->width; x++)
for (y = 0; y < oldstate->height; y++)
if ((tile(oldstate, x, y) ^ tile(newstate, x, y)) & 0xF) {
ret = ROTATE_TIME;
goto break_label; /* leave both loops at once */
return ROTATE_TIME;
}
break_label:
return 0.0F;
}
float game_flash_length(game_state *oldstate, game_state *newstate)
{
/*
* Also, if the game has just been completed, allow time for a
* completion flash.
* If the game has just been completed, we display a completion
* flash.
*/
if (!oldstate->completed && newstate->completed) {
int size;
@ -1222,8 +1226,8 @@ float game_anim_length(game_state *oldstate, game_state *newstate)
size = newstate->width - newstate->cx;
if (size < newstate->height - newstate->cy)
size = newstate->height - newstate->cy;
ret += FLASH_FRAME * (size+4);
return FLASH_FRAME * (size+4);
}
return ret;
return 0.0F;
}