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// ==============================================================================
// Copyright (C) 2019 - Philip Paquette, Steven Bocco
//
// This program is free software: you can redistribute it and/or modify it under
// the terms of the GNU Affero General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
// details.
//
// You should have received a copy of the GNU Affero General Public License along
// with this program. If not, see <https://www.gnu.org/licenses/>.
// ==============================================================================
/*eslint no-unused-vars: ["error", { "args": "none" }]*/
function assertLength(expected, given) {
if (expected !== given)
throw new Error(`Length error: expected ${expected}, given ${given}.`);
}
export class ProvinceCheck {
static retreated(province, powerName) {
const retreatProvince = province.getRetreated(powerName);
if (!retreatProvince)
throw new Error(`No retreated location at province ${province.name}.`);
// No confusion possible, we select the only occupied location at this province.
return [retreatProvince.retreatUnit];
}
static present(province, powerName) {
let unit = null;
let presenceProvince = province.getOccupied(powerName);
if (presenceProvince) {
unit = `${presenceProvince.unit} ${presenceProvince.name}`;
} else {
presenceProvince = province.getRetreated(powerName);
if (!presenceProvince)
throw new Error(`No unit or retreat at province ${province.name}.`);
unit = presenceProvince.retreatUnit;
}
return [unit];
}
static occupied(province, powerName) {
const occupiedProvince = province.getOccupied(powerName);
if (!occupiedProvince)
throw new Error(`No occupied location at province ${province.name}.`);
// No confusion possible, we select the only occupied location at this province.
const unit = occupiedProvince.unit;
const name = occupiedProvince.name.toUpperCase();
return [`${unit} ${name}`];
}
static occupiedByAny(province, unusedPowerName) {
return ProvinceCheck.occupied(province, null);
}
static any(province, unusedPowerName) {
// There may be many locations available for a province (e.g. many coasts).
return province.getLocationNames();
}
static buildOrder(path) {
switch (path[0]) {
case 'H':
return ProvinceCheck.holdToString(path);
case 'M':
return ProvinceCheck.moveToString(path);
case 'V':
return ProvinceCheck.moveViaToString(path);
case 'S':
return ProvinceCheck.supportToString(path);
case 'C':
return ProvinceCheck.convoyToString(path);
case 'R':
return ProvinceCheck.retreatToString(path);
case 'D':
return ProvinceCheck.disbandToString(path);
case 'A':
return ProvinceCheck.buildArmyToString(path);
case 'F':
return ProvinceCheck.buildFleetToString(path);
default:
throw new Error('Unable to build order from path ' + JSON.stringify(path));
}
}
static holdToString(path) {
assertLength(2, path.length);
return `${path[1]} ${path[0]}`;
}
static moveToString(path) {
assertLength(3, path.length);
return `${path[1]} - ${path[2]}`;
}
static moveViaToString(path) {
return ProvinceCheck.moveToString(path) + ' VIA';
}
static supportToString(path) {
assertLength(4, path.length);
let order = `${path[1]} ${path[0]} ${path[2]}`;
if (path[2].substr(2) !== path[3])
order += ` - ${path[3]}`;
return order;
}
static convoyToString(path) {
assertLength(4, path.length);
return `${path[1]} ${path[0]} ${path[2]} - ${path[3]}`;
}
static retreatToString(path) {
assertLength(3, path.length);
return `${path[1]} ${path[0]} ${path[2]}`;
}
static disbandToString(path) {
assertLength(2, path.length);
return `${path[1]} ${path[0]}`;
}
static buildArmyToString(path) {
assertLength(2, path.length);
return `${path[0]} ${path[1]} B`;
}
static buildFleetToString(path) {
assertLength(2, path.length);
return `${path[0]} ${path[1]} B`;
}
}
export const ORDER_BUILDER = {
H: {
name: 'hold (H)',
steps: [ProvinceCheck.occupied]
},
M: {
name: 'move (M)',
steps: [ProvinceCheck.occupied, ProvinceCheck.any]
},
V: {
name: 'move VIA (V)',
steps: [ProvinceCheck.occupied, ProvinceCheck.any]
},
S: {
name: 'support (S)',
steps: [ProvinceCheck.occupied, ProvinceCheck.occupiedByAny, ProvinceCheck.any]
},
C: {
name: 'convoy (C)',
steps: [ProvinceCheck.occupied, ProvinceCheck.occupiedByAny, ProvinceCheck.any]
},
R: {
name: 'retreat (R)',
steps: [ProvinceCheck.retreated, ProvinceCheck.any]
},
D: {
name: 'disband (D)',
steps: [ProvinceCheck.present]
},
A: {
name: 'build army (A)',
steps: [ProvinceCheck.any]
},
F: {
name: 'build fleet (F)',
steps: [ProvinceCheck.any]
},
};
export const POSSIBLE_ORDERS = {
// Allowed orders for movement phase step.
M: ['H', 'M', 'V', 'S', 'C'],
// Allowed orders for retreat phase step.
R: ['R', 'D'],
// Allowed orders for adjustment phase step.
A: ['D', 'A', 'F'],
sorting: {
M: {M: 0, V: 1, S: 2, C: 3, H: 4},
R: {R: 0, D: 1},
A: {A: 0, F: 1, D: 2}
},
sortOrderTypes: function (arr, phaseType) {
arr.sort((a, b) => POSSIBLE_ORDERS.sorting[phaseType][a] - POSSIBLE_ORDERS.sorting[phaseType][b]);
}
};
export function extendOrderBuilding(powerName, orderType, currentOrderPath, location, onBuilding, onBuilt, onError) {
const selectedPath = [orderType].concat(currentOrderPath, location);
if (selectedPath.length - 1 < ORDER_BUILDER[orderType].steps.length) {
// Checker OK, update.
onBuilding(powerName, selectedPath);
} else {
try {
// Order created.
const orderString = ProvinceCheck.buildOrder(selectedPath);
onBuilt(powerName, orderString);
} catch (error) {
onError(error.toString());
}
}
}
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