diff options
Diffstat (limited to 'rules.js')
| -rw-r--r-- | rules.js | 115 |
1 files changed, 96 insertions, 19 deletions
@@ -2625,8 +2625,8 @@ function land_movement_cost() { return game.events.foul_weather ? 2 : movement_allowance(moving_piece()); } -function max_movement_cost() { - switch (game.move.type) { +function max_movement_cost(type) { + switch (type) { case 'boat-or-land': case 'boat': return game.events.foul_weather ? 2 : 9; case 'land': return land_movement_cost(); @@ -2694,31 +2694,103 @@ function is_carry_connection(from, to) { return (from_ff && to_ff); } -function can_move_by_boat_or_land(from, to) { +function can_move_by_boat_or_land(used, did_carry, from, to) { if (is_land_path(from, to)) { - if (game.move.used < land_movement_cost()) + if (used < land_movement_cost()) return true; - if (!game.move.did_carry) + if (!did_carry) return is_carry_connection(from, to); return false; } return true; } -function can_move_by_boat(from, to) { +function can_move_by_boat(used, did_carry, from, to) { if (is_land_path(from, to)) { - if (!game.move.did_carry) + if (!did_carry) return is_carry_connection(from, to); return false; } return true; } -function can_infiltrate(start) { - // TODO: search paths to see if we have enough movement points left to reach non-infiltration space - console.log("CAN_INFILTRATE", space_name(start), game.move.used, max_movement_cost()); - let distance_to_non_infiltration_space = 1; - return (game.move.used + distance_to_non_infiltration_space) < max_movement_cost(); +function can_move(type, used, carry, from, to) { + console.log("CAN_INFILTRATE_MOVE", type, used, carry, space_name(from), ">", space_name(to)); + switch (type) { + case 'boat-or-land': + return can_move_by_boat_or_land(used, carry, from, to); + case 'boat': + return can_move_by_boat(used, carry, from, to); + case 'land': + return true; + } + return false; +} + +function is_infiltration_move(to) { + if (has_unbesieged_enemy_fortifications(to)) + return true; + if (has_unbesieged_enemy_units(to)) + return true; + return false; +} + +function can_infiltrate_search(type, used, carry, from, to) { + if (can_move(type, used, carry, from, to)) { + if (!is_infiltration_move(to)) { + console.log(" EXIT", space_name(to)); + return true; + } + + // Spend MP + used ++; + + // Downgrade from Boat/Land to Land movement if not going by river or carries. + if (type === 'boat' || type === 'boat-or-land') { + if (is_land_path(from, to)) { + if (!carry) { + if (is_carry_connection(from, to)) + carry = 1; + else + type = 'land'; + } else { + type = 'land'; + } + } + } + + // See if we must stop. + if (type === 'land') { + const from_ff = has_friendly_fortifications_or_cultivated(from); + const to_ff = has_friendly_fortifications_or_cultivated(to); + // Must stop on mountains. + if (!from_ff && is_mountain(from)) { + console.log(" STOP mountain"); + return false; + } + // Must stop in the next space after passing through enemy cultivated + if (used > 1 && !from_ff && is_originally_enemy(from)) { + console.log(" STOP enemy cultivated"); + return false; + } + } + + // Continue looking. + if (used < max_movement_cost(type)) { + for (let next of spaces[to].exits) { + if (can_infiltrate_search(type, used, carry, to, next)) + return true; + } + } + } + return false; +} + +function can_infiltrate(from, to) { + console.log("===="); + let result = can_infiltrate_search(game.move.type, game.move.used, game.move.did_carry, from, to); + console.log(" =", result); + return result; } function gen_regular_move() { @@ -2736,18 +2808,18 @@ function gen_regular_move() { // Must have Drilled Troops to enter an enemy fort or fortress space. // except: Infiltration by lone auxiliary if (has_unbesieged_enemy_fort_or_fortress(to)) { - if (!(has_dt || (is_lone_ax && can_infiltrate(to)))) + if (!(has_dt || (is_lone_ax && can_infiltrate(from, to)))) return; // continue } } switch (game.move.type) { case 'boat-or-land': - if (can_move_by_boat_or_land(from, to)) + if (can_move_by_boat_or_land(game.move.used, game.move.did_carry, from, to)) gen_action_space(to); break; case 'boat': - if (can_move_by_boat(from, to)) + if (can_move_by_boat(game.move.used, game.move.did_carry, from, to)) gen_action_space(to); break; case 'land': @@ -2817,19 +2889,24 @@ function apply_move(to) { game.move.infiltrated = 0; if (has_enemy_stockade(to)) { - if (is_lone_auxiliary(who) && can_infiltrate(to)) + if (is_lone_auxiliary(who) && can_infiltrate(from, to)) game.move.infiltrated = 1; else stop_move(); } if (has_unbesieged_enemy_fort_or_fortress(to)) { - if (is_lone_auxiliary(who) && can_infiltrate(to)) + if (is_lone_auxiliary(who) && can_infiltrate(from, to)) game.move.infiltrated = 1; else stop_move(); } + if (has_unbesieged_enemy_units(to)) { + if (is_lone_auxiliary(who) && can_infiltrate(from, to)) + game.move.infiltrated = 1; + } + if (game.move.infiltrated) log(`Infiltrated ${space_name(to)}.`); else @@ -2873,7 +2950,7 @@ states.move = { if (game.move.used === 9) view.prompt += ` \u2014 done.`; else - view.prompt += ` \u2014 ${game.move.used}/${max_movement_cost()}.`; + view.prompt += ` \u2014 ${game.move.used}/${max_movement_cost(game.move.type)}.`; } } else { view.prompt = `${piece_name(who)} eliminated.`; @@ -2916,7 +2993,7 @@ states.move = { gen_action_demolish(); - if (game.move.used < max_movement_cost()) { + if (game.move.used < max_movement_cost(game.move.type)) { if (game.move.type === 'naval') gen_naval_move(); else |