summaryrefslogtreecommitdiff
path: root/rules.js
diff options
context:
space:
mode:
Diffstat (limited to 'rules.js')
-rw-r--r--rules.js335
1 files changed, 319 insertions, 16 deletions
diff --git a/rules.js b/rules.js
index 6531150..ab6125d 100644
--- a/rules.js
+++ b/rules.js
@@ -63,6 +63,10 @@ function calc_distance(a, b) {
return max(abs(bx-ax), abs(by-ay), abs(bz-az))
}
+function is_adjacent(a, b) {
+ return is_map_hex(a) && is_map_hex(b) && calc_distance(a, b) === 1 && !is_river(a, b)
+}
+
const adjacent_x1 = [
[-101,-100,-1,1,99,100],
[-100,-99,-1,1,100,101]
@@ -133,7 +137,7 @@ const p2_units = make_piece_list(p => p.side !== P1 && (p.type === "inf" || p.ty
function friendly_hqs() { return (game.active === P1) ? p1_hqs : p2_hqs }
function enemy_hqs() { return (game.active !== P1) ? p1_hqs : p2_hqs }
function friendly_cavalry_corps() { return (game.active === P1) ? p1_cav : p2_cav }
-function enemy_cavalry_corps() { return (game.active !== P1) ? p1_cav : p2_cavalry_corps }
+function enemy_cavalry_corps() { return (game.active !== P1) ? p1_cav : p2_cav }
function friendly_infantry_corps() { return (game.active === P1) ? p1_inf : p2_inf }
function enemy_infantry_corps() { return (game.active !== P1) ? p1_inf : p2_inf }
function friendly_detachments() { return (game.active === P1) ? p1_det : p2_det }
@@ -170,6 +174,10 @@ function piece_is_infantry(p) {
return data.pieces[p].type === "inf"
}
+function piece_is_detachment(p) {
+ return data.pieces[p].type === "det"
+}
+
function piece_movement_allowance(p) {
if (piece_mode(p))
return data.pieces[p].mp2
@@ -182,10 +190,18 @@ function piece_command_range(p) {
return data.pieces[p].range1
}
-function pieces_are_same_side(a, b) {
+function pieces_are_associated(a, b) {
return data.pieces[a].side === data.pieces[b].side
}
+function piece_stars(p) {
+ if (data.pieces[p].type === "hq" && !piece_mode(p))
+ return 0
+ if (data.pieces[p].type === "cav" && piece_mode(p))
+ return 0
+ return data.pieces[p].stars
+}
+
function is_empty_hex(x) {
for (let p = 0; p < data.pieces.length; ++p)
if (piece_hex(p) === x)
@@ -209,14 +225,20 @@ function piece_is_in_zoc_of_hex(p, x) {
function blow_unit(p, n) {
if (game.turn + n > 8) {
+ log("Eliminated P" + p)
set_piece_hex(p, ELIMINATED)
} else {
- log("Blown unit " + p)
+ log("Blown P" + p)
set_piece_hex(p, BLOWN + game.turn + n)
set_piece_mode(p, 0)
}
}
+function eliminate_unit(p) {
+ log("Eliminated P" + p)
+ set_piece_hex(p, ELIMINATED)
+}
+
const data_rivers = []
const data_bridges = []
const data_road_hexsides = []
@@ -245,6 +267,10 @@ function is_road_hexside(a, b) {
return set_has(data_road_hexsides, a * 10000 + b)
}
+function is_town_hex(x) {
+ return set_has(data.map.towns, x)
+}
+
function is_stream_hex(x) {
return set_has(data.map.streams, x)
}
@@ -472,7 +498,7 @@ states.place_hq_where = {
// within 3 of any unit
for (let p of friendly_units()) {
let x = piece_hex(p)
- if (is_map_hex(x) && pieces_are_same_side(p, game.who)) {
+ if (is_map_hex(x) && pieces_are_associated(p, game.who)) {
for_each_within_x3(x, next => {
if (!is_enemy_zoc_or_zoi(next) && !hex_has_any_piece(next, friendly_hqs()))
gen_action_hex(next)
@@ -557,7 +583,7 @@ states.return_blown_unit = {
function can_return_blown_unit(p) {
let result = false
for (let hq of friendly_hqs()) {
- if (pieces_are_same_side(p, hq)) {
+ if (pieces_are_associated(p, hq)) {
for_each_adjacent(piece_hex(hq), x => {
if (is_empty_hex(x) && !is_enemy_zoc_or_zoi(x))
return result = true
@@ -574,7 +600,7 @@ states.return_blown_unit_where = {
update_zoc()
for (let hq of friendly_hqs()) {
- if (pieces_are_same_side(game.who, hq)) {
+ if (pieces_are_associated(game.who, hq)) {
for_each_adjacent(piece_hex(hq), x => {
if (is_empty_hex(x) && !is_enemy_zoc_or_zoi(x))
gen_action_hex(x)
@@ -684,7 +710,7 @@ states.place_detachment_hq = {
function can_place_detachment(p, hq) {
let x = piece_hex(p)
if (x === AVAILABLE_P1 || x === AVAILABLE_P2) {
- if (pieces_are_same_side(p, hq)) {
+ if (pieces_are_associated(p, hq)) {
if (p === GRAND_BATTERY || p === OLD_GUARD) {
if (hq === NAPOLEON_HQ && piece_mode(NAPOLEON_HQ))
return true
@@ -1020,6 +1046,8 @@ function goto_movement_phase() {
game.remain = 0
}
+// TODO: can move or auto-pass
+
function next_movement() {
game.state = "movement"
if (game.remain === 0)
@@ -1433,6 +1461,22 @@ function goto_attack_phase() {
game.remain = 0
}
+// TODO: can attack or auto-pass
+
+function next_attack() {
+ game.state = "attack"
+ game.who = -1
+ game.target = -1
+ if (game.remain === 0)
+ set_next_player()
+ else if (--game.remain === 0)
+ end_attack()
+}
+
+function end_attack() {
+ goto_end_phase()
+}
+
states.attack = {
prompt() {
prompt("Attack!")
@@ -1448,15 +1492,44 @@ states.attack = {
game.state = "attack_who"
},
pass() {
+ log(game.active + " passed attack.")
+ if (game.remain > 0) {
+ end_attack()
+ } else {
+ set_next_player()
+ game.remain = roll_die()
+ log("Rolled D" + game.remain)
+ }
},
}
+// === ATTACK
+
+function can_attack_cavalry_support(p) {
+ if (p === game.who)
+ return false
+ return is_adjacent(piece_hex(p), piece_hex(game.who))
+}
+
+function can_defend_cavalry_support(p) {
+ if (p === game.target)
+ return false
+ return is_adjacent(piece_hex(p), piece_hex(game.target))
+}
+
+function can_attack_infantry_support(p) {
+ if (p === game.who)
+ return false
+ return is_adjacent(piece_hex(p), piece_hex(game.target))
+}
+
states.attack_who = {
prompt() {
prompt("Attack!")
let here = piece_hex(game.who)
for (let p of enemy_units())
if (piece_is_in_zoc_of_hex(p, here))
+ // TODO: NOT detachment stacked with corps!
gen_action_piece(p)
gen_action_piece(game.who)
},
@@ -1467,40 +1540,270 @@ states.attack_who = {
}
log("Attacked " + p)
game.target = p
- game.state = "attack_support"
- game.count = 0
+ begin_attack()
},
}
+function begin_attack() {
+ game.count = 0
+ for (let p of friendly_infantry_corps())
+ if (can_attack_infantry_support(p))
+ game.count |= (1 << p)
+ for (let p of friendly_cavalry_corps())
+ if (can_attack_cavalry_support(p) && piece_mode(p))
+ game.count |= (1 << p)
+ for (let p of enemy_cavalry_corps())
+ if (can_defend_cavalry_support(p) && piece_mode(p))
+ game.count |= (1 << p)
+ goto_attack_support()
+}
+
+function goto_attack_support() {
+ game.state = "attack_support"
+ for (let p of friendly_cavalry_corps())
+ if (!(game.count & (1 << p)))
+ if (can_attack_cavalry_support(p))
+ return
+ goto_defend_support()
+}
+
+function goto_defend_support() {
+ set_next_player()
+ game.state = "defend_support"
+ for (let p of friendly_cavalry_corps())
+ if (!(game.count & (1 << p)))
+ if (can_defend_cavalry_support(p))
+ return
+ goto_resolve_attack()
+}
+
states.attack_support = {
prompt() {
- prompt("Attack - add supporting stars!")
+ prompt("Attack: Commit supporting cavalry.")
+ for (let p of friendly_cavalry_corps())
+ if (!(game.count & (1 << p)))
+ if (can_attack_cavalry_support(p))
+ gen_action_piece(p)
view.actions.next = 1
},
piece(p) {
+ push_undo()
+ game.count |= (1 << p)
},
next() {
- game.state = "defend_support"
+ goto_defend_support()
},
}
states.defend_support = {
prompt() {
- prompt("Defend - add supporting stars!")
+ prompt("Defend: Commit supporting cavalry.")
+ for (let p of friendly_cavalry_corps())
+ if (!(game.count & (1 << p)))
+ if (can_defend_cavalry_support(p))
+ gen_action_piece(p)
view.actions.next = 1
},
piece(p) {
+ push_undo()
+ game.count |= (1 << p)
},
next() {
- roll_attack()
+ goto_resolve_attack()
},
}
-function roll_attack() {
+function log_add_star(n, p, reason) {
+ if (n > 0)
+ log(`+${n} P${p} ${reason}`)
+ return n
+}
+
+function goto_resolve_attack() {
+ let stars
+
+ set_next_player() // back to attacking player
+
+ log("ATTACK")
+
+ let a_unit = game.who
+ let d_unit = game.target
+ let a_hex = piece_hex(a_unit)
+ let d_hex = piece_hex(d_unit)
+ let a_drm = 0
+ let d_drm = 0
+
+ // TEC
+ let town = is_town_hex(d_hex)
+ if (town) {
+ log("+1 Defender (Town)")
+ d_drm += 1
+ }
+ if (is_bridge(a_hex, d_hex)) {
+ log("+1 Defender (Bridge)")
+ d_drm += 1
+ }
+
+ // Battle Stars
+
+ // No stars if Cav charging into town
+ if (town && piece_is_cavalry(a_unit)) {
+ log("No stars (Cavalry charging into town)")
+ } else {
+ stars = piece_stars(a_unit)
+ if (stars > 0) {
+ log("+" + stars + " attacking Corps Battle Stars")
+ a_drm += stars
+ }
+ }
+
+ for (let hq of friendly_hqs()) {
+ if (piece_mode(hq) && pieces_are_associated(hq, a_unit)) {
+ let distance = calc_distance(piece_hex(hq), a_hex)
+ if (distance <= piece_command_range(hq)) {
+ log("+" + piece_stars(hq) + " attacking HQ stars")
+ a_drm += piece_stars(hq)
+ }
+ }
+ }
+
+ stars = piece_stars(d_unit)
+ if (stars > 0) {
+ log("+" + stars + " defending unit Battle Stars")
+ d_drm += stars
+ }
+
+ for (let hq of enemy_hqs()) {
+ if (piece_mode(hq) && pieces_are_associated(hq, d_unit)) {
+ let distance = calc_distance(piece_hex(hq), d_hex)
+ if (distance <= piece_command_range(hq)) {
+ log("+" + piece_stars(hq) + " defending HQ stars")
+ d_drm += piece_stars(hq)
+ }
+ }
+ }
+
+ // Fresh Cavalry support
+ if (!town) {
+ for (let p of friendly_cavalry_corps()) {
+ if (!piece_mode(p) && (game.count & (1 << p))) {
+ log("+" + piece_stars(p) + " Cavalry Stars")
+ a_drm += 1
+ }
+ }
+ }
+
+ // Grand battery stacked with attacking or supporting corps
+ let gb_hex = piece_hex(GRAND_BATTERY)
+ for (let p of friendly_corps()) {
+ if (gb_hex === piece_hex(p) && (game.count & (1<<p))) {
+ log("+" + piece_stars(GRAND_BATTERY) + " Grand Battery")
+ }
+ }
+
+ // Attack Support
+ for (let p of friendly_infantry_corps()) {
+ if (game.count & (1 << p)) {
+ log("+1 Infantry Support")
+ a_drm += 1
+ }
+ }
+
+ // Cavalry Support
+ for (let p of friendly_cavalry_corps()) {
+ if (game.count & (1 << p)) {
+ log("+1 attacking Cavalry Support")
+ a_drm += 1
+ set_piece_mode(p, 1)
+ }
+ }
+
+ for (let p of enemy_cavalry_corps()) {
+ if (game.count & (1 << p)) {
+ log("+1 defending Cavalry Support")
+ d_drm += 1
+ set_piece_mode(p, 1)
+ }
+ }
+
+ // Detachments
+ if (piece_is_detachment(d_unit)) {
+ log("+2 attack vs Detachment")
+ }
+
+ // Exhaust all participants
+ set_piece_mode(a_unit, 1)
+ set_piece_mode(d_unit, 1)
+
+ let a_die = roll_die()
+ let d_die = roll_die()
+ let diff = a_die - d_die
+ log("Attacker D" + a_die + " = " + (a_die + a_drm))
+ log("Defender D" + d_die + " = " + (d_die + d_drm))
+
+ if (diff <= -5)
+ goto_eliminated_attacker()
+ else if (diff <= -3)
+ goto_blown_attacker()
+ else if (diff <= 1)
+ goto_retreat_attacker()
+ else if (diff >= 5)
+ goto_eliminated_defender()
+ else if (diff >= 3)
+ goto_blown_defender()
+ else if (diff >= 1)
+ goto_retreat_defender()
+ else
+ goto_stalemate()
+}
+
+function goto_stalemate() {
+ log("Stalemate.")
+ next_attack()
+}
+
+function goto_blown_attacker() {
+ if (piece_is_detachment(game.target)) {
+ goto_retreat_attacker()
+ return
+ }
+ blow_unit(game.who)
+ next_attack()
+}
+
+function goto_blown_defender() {
+ if (piece_is_detachment(game.target)) {
+ goto_eliminated_defender()
+ return
+ }
+ blow_unit(game.target)
+ next_attack()
+}
+
+function goto_eliminated_attacker() {
+ if (piece_is_detachment(game.target)) {
+ goto_retreat_attacker()
+ return
+ }
+ eliminate_unit(game.who)
+ next_attack()
+}
+
+function goto_eliminated_defender() {
+ eliminate_unit(game.target)
+ next_attack()
+}
+
+function goto_retreat_attacker() {
+ // TODO: eliminate detachments stacked with attacker
+ game.state = "retreat_attacker"
+}
+
+function goto_retreat_defender() {
+ // TODO: recall defender OR eliminate detachments stacked with defender
+ game.state = "retreat_defender"
}
-// add stars
-// _may_ spend fresh cav to add support from stars
// === SETUP ===