diff options
Diffstat (limited to 'play.js')
| -rw-r--r-- | play.js | 71 |
1 files changed, 70 insertions, 1 deletions
@@ -47,6 +47,22 @@ function set_has(set, item) { return false } +function map_get(map, key, missing) { + let a = 0 + let b = (map.length >> 1) - 1 + while (a <= b) { + let m = (a + b) >> 1 + let x = map[m<<1] + if (key < x) + b = m - 1 + else if (key > x) + a = m + 1 + else + return map[(m<<1)+1] + } + return missing +} + const FRENCH = "French" const COALITION = "Coalition" @@ -122,8 +138,15 @@ function on_blur(evt) { document.getElementById("status").textContent = "" } +function on_blur_hex(evt) { + on_blur() + hide_move_path() +} + function on_focus_hex(evt) { document.getElementById("status").textContent = "Hex " + evt.target.my_name + if (view && view.move_from) + show_move_path(evt.target.my_id) } function on_focus_piece(evt) { @@ -144,6 +167,49 @@ function toggle_pieces() { document.getElementById("pieces").classList.toggle("hide") } +var _move_path = [] + +function hide_move_path() { + if (_move_path) { + for (let x of _move_path) { + ui.hexes[x].classList.remove("move") + ui.hexes[x].classList.remove("road") + } + _move_path = null + } +} + +function show_move_path(x) { + if (_move_path) + hide_move_path() + + if (!is_action("hex", x) && !is_action("stop_hex", x)) + return + + if (view.move_from_road && map_get(view.move_from_road, x, 0)) { + _move_path = [] + for (let i = 0; x && i < 100; ++i) { + _move_path.push(x) + x = map_get(view.move_from_road, x, 0) + } + for (let x of _move_path) + ui.hexes[x].classList.add("road") + } + + else + + if (view.move_from && map_get(view.move_from, x, 0)) { + _move_path = [] + for (let i = 0; x && i < 100; ++i) { + _move_path.push(x) + x = map_get(view.move_from, x, 0) + } + for (let x of _move_path) + ui.hexes[x].classList.add("move") + } + +} + function build_hexes() { for (let row = 0; row < data.map.rows; ++row) { for (let col = 0; col < data.map.cols; ++col) { @@ -159,7 +225,7 @@ function build_hexes() { hex.style.height = (hex_r * 2) + "px" hex.onmousedown = on_click_action hex.onmouseenter = on_focus_hex - hex.onmouseleave = on_blur + hex.onmouseleave = on_blur_hex hex.my_action = "hex" hex.my_action_2 = "stop_hex" hex.my_id = hex_id @@ -241,6 +307,9 @@ function find_reinforcement_z(who) { function on_update() { ui.stack.fill(0) + if (!view.move_path) + hide_move_path() + for (let row = 0; row < data.map.rows; ++row) { for (let col = 0; col < data.map.cols; ++col) { let id = first_hex + row * 100 + col |