129 lines
4.4 KiB
TypeScript
129 lines
4.4 KiB
TypeScript
/// <reference path="BaseEffect.ts"/>
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module TK.SpaceTac {
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function strval(value: number) {
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return `${value > 0 ? "+" : "-"}${Math.abs(value)}`;
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}
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/**
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* Effect to add (or subtract if negative) an amount to a ship value.
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*
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* The effect is immediate and permanent.
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*/
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export class ValueEffect extends BaseEffect {
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// Affected value
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valuetype: keyof ShipValues
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// Value to add (or subtract if negative), when the effect is applied to a ship
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value_on: number
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// Value to add (or subtract if negative), when the effect is removed from a ship
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value_off: number
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// Value to add (or subtract if negative), when the effect is active on a ship starting its turn
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value_start: number
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// Value to add (or subtract if negative), when the effect is active on a ship ending its turn
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value_end: number
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constructor(valuetype: keyof ShipValues, value_on = 0, value_off = 0, value_start = 0, value_end = 0) {
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super("value");
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this.valuetype = valuetype;
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this.value_on = value_on;
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this.value_off = value_off;
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this.value_start = value_start;
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this.value_end = value_end;
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}
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getOnDiffs(ship: Ship, source: Ship | Drone, success: number): BaseBattleDiff[] {
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if (this.value_on) {
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return ship.getValueDiffs(this.valuetype, this.value_on, true);
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} else {
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return [];
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}
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}
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getOffDiffs(ship: Ship): BaseBattleDiff[] {
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if (this.value_off) {
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return ship.getValueDiffs(this.valuetype, this.value_off, true);
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} else {
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return [];
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}
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}
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getTurnStartDiffs(ship: Ship): BaseBattleDiff[] {
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if (this.value_start) {
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return ship.getValueDiffs(this.valuetype, this.value_start, true);
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} else {
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return [];
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}
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}
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getTurnEndDiffs(ship: Ship): BaseBattleDiff[] {
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if (this.value_end) {
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return ship.getValueDiffs(this.valuetype, this.value_end, true);
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} else {
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return [];
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}
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}
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isBeneficial(): boolean {
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if (this.value_off < -this.value_on || this.value_end < -this.value_start) {
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// after value is lower than before
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return false;
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} else if ((this.value_off && this.value_off == -this.value_on) || (this.value_end && this.value_end == -this.value_start)) {
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return this.value_on > 0 || this.value_start > 0;
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} else {
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return this.value_on > 0 || this.value_off > 0 || this.value_start > 0 || this.value_end > 0;
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}
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}
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getFullCode(): string {
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return `${this.code}-${this.valuetype}`;
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}
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getDescription(): string {
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let attrname = SHIP_VALUES_NAMES[this.valuetype];
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let parts: string[] = [];
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if (this.value_on) {
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if (this.value_off == -this.value_on) {
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parts.push(`${strval(this.value_on)} while active`);
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} else {
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if (this.value_off) {
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parts.push(`${strval(this.value_on)} on`);
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parts.push(`${strval(this.value_off)} off`);
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} else {
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parts.push(strval(this.value_on));
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}
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}
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}
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if (this.value_start) {
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if (this.value_end == -this.value_start) {
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parts.push(`${strval(this.value_start)} during turn`);
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} else {
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parts.push(`${strval(this.value_start)} on turn start`);
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if (this.value_end) {
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parts.push(`${strval(this.value_end)} on turn end`);
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}
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}
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} else if (this.value_end) {
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parts.push(`${strval(this.value_end)} on turn end`);
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}
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if (this.value_off && !this.value_on) {
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parts.push(`${strval(this.value_off)} when removed`);
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}
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if (parts.length) {
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return `${attrname} ${parts.join(', ')}`;
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} else {
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return "no effect";
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}
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}
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}
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}
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