void
thresholding(PALLET* pal, /* I - pallet consist with many colors */
RGB *base, /* I - base color */
double variation) /* I - fault tolerant */
{
RGB *other;
size_t points = pal->info->bmiHeader.biSizeImage / sizeof(RGB);
for (size_t i = 0; i < points; ++i) {
other = &pal->colors[i];
color_cmp(base, other, variation) == 1 ?
other->blue = other->green = other->red = 0 :
other->blue = other->green = other->red = 255;
}
}
/*
* Find an existing trigger and which slot it is in
*/
int level_trigger2slot (levelp level, color c)
{
if (color_none(c)) {
c = default_trigger;
}
int i;
/*
* See if the trigger exists
*/
for (i = 0; i < ARRAY_SIZE(level->trigger); i++) {
if (color_none(level->trigger[i].c)) {
break;
}
if (color_cmp(c, level->trigger[i].c)) {
return (i);
}
}
return (-1);
}
void thing_reached_teleport (levelp level,
thingp t,
thingp teleport)
{
int tx[MAP_WIDTH*MAP_HEIGHT];
int ty[MAP_WIDTH*MAP_HEIGHT];
int poss = 0;
int x, y;
int delay = 20;
if (!thing_is_player(t)) {
/*
* Only move other things sometimes.
*/
if ((myrand() % 100) < 95) {
return;
}
}
if (!time_have_x_tenths_passed_since(delay,
t->timestamp_last_teleport)) {
return;
}
for (x = 0; x < MAP_WIDTH; x++) {
for (y = 0; y < MAP_HEIGHT; y++) {
level_map_tile *tile =
&level->map_grid.tile[x][y][MAP_DEPTH_EXPLOSION];
tpp it = tile->tp;
if (!it) {
continue;
}
if (!tp_is_teleport(it)) {
continue;
}
if (DISTANCE(t->x, t->y, x, y) < 2.0) {
continue;
}
color tcol;
color col;
tcol = teleport->data.col;
col = tile->data.col;
if (color_none(col) || color_none(tcol)) {
tx[poss] = x;
ty[poss] = y;
poss++;
continue;
}
if (color_cmp(col, tcol)) {
tx[poss] = x;
ty[poss] = y;
poss++;
continue;
}
}
}
if (!poss) {
return;
}
t->timestamp_last_teleport = time_get_time_ms();
poss = myrand() % poss;
double nx = tx[poss];
double ny = ty[poss];
/*
* Don't let lava spawn continually on top of itself.
*/
if (thing_is_lava(t) && map_is_lava_at(level, nx, ny)) {
return;
}
/*
* Don't let water spawn continually on top of itself.
*/
if (thing_is_water(t) && map_is_water_at(level, nx, ny)) {
return;
}
/*
* Don't let acid spawn continually on top of itself.
*/
if (thing_is_acid(t) && map_is_acid_at(level, nx, ny)) {
return;
}
/*
* Don't let water spawn continually on top of itself.
*/
if (thing_is_water(t) && map_is_water_at(level, nx, ny)) {
return;
}
/*
* Don't let monsters spawn continually on top of themselves.
*/
if (thing_is_monst(t) && map_is_monst_at(level, nx, ny)) {
return;
}
THING_LOG(t, "Teleport");
wid_move_end(t->wid);
thing_wid_update(level,
t, nx, ny,
false /* smooth */,
true /* is_new */);
/*
* Make sure the client sees the jump
*/
thing_handle_collisions(level, t);
MSG_SHOUT_AT(SOUND, t, t->x, t->y, "teleport");
}
void level_trigger_activate (levelp level, color c)
{
int x, y, z;
int spawned = false;
int zapped = false;
if (level_trigger_is_activated(level, c)) {
return;
}
LEVEL_LOG(level, "Activate trigger, %u.%u.%u.%u", c.a, c.r, c.g, c.a);
level_trigger_mark_activate(level, c);
/*
* Look for any items to be spawned.
*
* We don't need to activate movement tiles as they will be activated by
* the move tiles themselves during collision testing.
*/
for (x = 0; x < MAP_WIDTH; x++) {
for (y = 0; y < MAP_HEIGHT; y++) {
level_map_tile *tile =
&level->map_grid.tile[x][y][MAP_DEPTH_ACTIONS];
tpp tile_tp = tile->tp;
if (!tile_tp) {
continue;
}
color it_trigger = tile->data.col;
if (color_none(it_trigger)) {
it_trigger = default_trigger;
}
if (!color_cmp(it_trigger, c)) {
continue;
}
/*
* Look for the original thing that it looks like we wanted to
* destroy. Then try and find it on the map.
*/
tpp triggerd_tp = 0;
for (z = MAP_DEPTH_ACTIONS - 1; z >= 0; z--) {
triggerd_tp = level->map_grid.tile[x][y][z].tp;
if (triggerd_tp) {
break;
}
}
if (!triggerd_tp) {
continue;
}
/*
* Any sleeping things that need to be awoken? Actually they don't
* exist yet, so we need to create them. It's best not to waste
* resources with sleeping things until they are needed.
*/
if (tp_is_action_sleep(tile_tp)) {
LEVEL_LOG(level, "Spawn %s via movement trigger %u.%u.%u.%u",
tp_name(triggerd_tp),
c.a, c.r, c.g, c.a);
widp w = wid_game_map_replace_tile(level,
x,
y,
0, /* thing */
triggerd_tp,
0 /* tpp data */
);
/*
* For things like bombs and the like, make them active.
*/
thingp t = wid_get_thing(w);
if (t) {
thing_wake(level, t);
}
spawned = 1;
}
/*
* Any things that need to be zapped?
*/
if (tp_is_action_zap(tile_tp)) {
thingp t = map_is_tp_at(level, x, y, triggerd_tp);
if (t) {
LEVEL_LOG(level, "Kill %s via movement trigger %u.%u.%u.%u",
thing_logname(t),
c.a, c.r, c.g, c.a);
thing_dead(level, t, 0, "killed by zap trigger");
zapped = true;
}
}
/*
* Activate any blocks sitting on movement actions. This will
* allow them to do collision testing with the action block and
* then move.
*/
if (tp_is_action_left(tile_tp) ||
tp_is_action_right(tile_tp) ||
tp_is_action_up(tile_tp) ||
tp_is_action_down(tile_tp)) {
thingp t = map_is_tp_at(level, x, y, triggerd_tp);
if (t) {
LEVEL_LOG(level, "Active %s via movement trigger %u.%u.%u.%u",
thing_logname(t),
c.a, c.r, c.g, c.a);
level_trigger_move_thing(level, tile_tp, t);
}
}
}
}
if (spawned) {
sound_play_slime();
}
}
