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Code Issues Releases Wiki Activity

ru:: better floodfill

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This commit is contained in:
Zeno Rogue 2025-04-27 01:24:08 +02:00
parent d93f0b0430
commit fa513b80ec
1 changed files with 19 additions and 8 deletions
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27
rogueviz/ru/ru.cpp
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@ -42,14 +42,25 @@ bool last_mkey = false;
extern int mousepx, mousepy;
void floodfill(int x, int y) {
int lev = 0;
void floodfill(int x, int y, int src, int tgt) {
dynamicval<int> d(lev, lev+1);
println(hlog, lev, ": ", tie(x, y));
if(x < 0 || y < 0 || x >= room_x || y >= room_y) return;
if(current_room->block_at[y][x] != 0) return;
current_room->place_block_full(x, y, 8 * sel);
floodfill(x+1, y);
floodfill(x-1, y);
floodfill(x, y+1);
floodfill(x, y-1);
if(y > room_y - b_margin && tgt) return;
if(current_room->block_at[y][x] != src) return;
current_room->place_block_full(x, y, tgt);
floodfill(x+1, y, src, tgt);
floodfill(x-1, y, src, tgt);
floodfill(x, y+1, src, tgt);
floodfill(x, y-1, src, tgt);
}
void floodfill_pick(int x, int y) {
if(x < 0 || y < 0 || x >= room_x || y >= room_y) return;
auto cur = current_room->block_at[y][x];
if(cur != 8*sel) floodfill(x, y, cur, 8 * sel);
else floodfill(x, y, 8 * sel, 0);
}
bool last_keystate[KEYSTATES], cur_keystate[KEYSTATES];
@ -79,7 +90,7 @@ void editmap_frame() {
}
dialog::display();
});
if(keypressed('f')) floodfill(mousepx / block_x, mousepy / block_y);
if(keypressed('f')) floodfill_pick(mousepx / block_x, mousepy / block_y);
if(keypressed('t')) { m.where_x = mousepx; m.where_y = mousepy; m.vel_x = 0; m.vel_y = 0; }
}