clockremental/src/features/conversion.ts
2024-10-20 01:23:44 +00:00

312 lines
13 KiB
TypeScript

import type { CoercableComponent, OptionsFunc, Replace } from "features/feature";
import { setDefault } from "features/feature";
import type { Resource } from "features/resources/resource";
import Formula from "game/formulas/formulas";
import { InvertibleFormula, InvertibleIntegralFormula } from "game/formulas/types";
import type { BaseLayer } from "game/layers";
import type { DecimalSource } from "util/bignum";
import Decimal from "util/bignum";
import type { Computable, GetComputableTypeWithDefault, ProcessedComputable } from "util/computed";
import { convertComputable, processComputable } from "util/computed";
import { createLazyProxy } from "util/proxies";
import type { Ref } from "vue";
import { computed, unref } from "vue";
import { GenericDecorator } from "./decorators/common";
import { createBooleanRequirement } from "game/requirements";
/** An object that configures a {@link Conversion}. */
export interface ConversionOptions {
/**
* The formula used to determine how much {@link gainResource} should be earned by this converting.
* The passed value will be a Formula representing the {@link baseResource} variable.
*/
formula: (variable: InvertibleIntegralFormula) => InvertibleFormula;
/**
* How much of the output resource the conversion can currently convert for.
* Typically this will be set for you in a conversion constructor.
*/
currentGain?: Computable<DecimalSource>;
/**
* The absolute amount the output resource will be changed by.
* Typically this will be set for you in a conversion constructor.
* This will differ from {@link currentGain} in the cases where the conversion isn't just adding the converted amount to the output resource.
*/
actualGain?: Computable<DecimalSource>;
/**
* The amount of the input resource currently being required in order to produce the {@link currentGain}.
* That is, if it went below this value then {@link currentGain} would decrease.
* Typically this will be set for you in a conversion constructor.
*/
currentAt?: Computable<DecimalSource>;
/**
* The amount of the input resource required to make {@link currentGain} increase.
* Typically this will be set for you in a conversion constructor.
*/
nextAt?: Computable<DecimalSource>;
/**
* The input {@link features/resources/resource.Resource} for this conversion.
*/
baseResource: Resource;
/**
* The output {@link features/resources/resource.Resource} for this conversion. i.e. the resource being generated.
*/
gainResource: Resource;
/**
* Whether or not to cap the amount of the output resource gained by converting at 1.
* Defaults to true.
*/
buyMax?: Computable<boolean>;
/**
* The function that performs the actual conversion from {@link baseResource} to {@link gainResource}.
* Typically this will be set for you in a conversion constructor.
*/
convert?: VoidFunction;
/**
* The function that spends the {@link baseResource} as part of the conversion.
* Defaults to setting the {@link baseResource} amount to 0.
*/
spend?: (amountGained: DecimalSource) => void;
/**
* A callback that happens after a conversion has been completed.
* Receives the amount gained via conversion.
* This will not be called whenever using currentGain without calling convert (e.g. passive generation)
*/
onConvert?: (amountGained: DecimalSource) => void;
}
/**
* The properties that are added onto a processed {@link ConversionOptions} to create a {@link Conversion}.
*/
export interface BaseConversion {
/**
* The function that performs the actual conversion.
*/
convert: VoidFunction;
}
/** An object that converts one {@link features/resources/resource.Resource} into another at a given rate. */
export type Conversion<T extends ConversionOptions> = Replace<
T & BaseConversion,
{
formula: InvertibleFormula;
currentGain: GetComputableTypeWithDefault<T["currentGain"], Ref<DecimalSource>>;
actualGain: GetComputableTypeWithDefault<T["actualGain"], Ref<DecimalSource>>;
currentAt: GetComputableTypeWithDefault<T["currentAt"], Ref<DecimalSource>>;
nextAt: GetComputableTypeWithDefault<T["nextAt"], Ref<DecimalSource>>;
buyMax: GetComputableTypeWithDefault<T["buyMax"], true>;
spend: undefined extends T["spend"] ? (amountGained: DecimalSource) => void : T["spend"];
}
>;
/** A type that matches any valid {@link Conversion} object. */
export type GenericConversion = Replace<
Conversion<ConversionOptions>,
{
currentGain: ProcessedComputable<DecimalSource>;
actualGain: ProcessedComputable<DecimalSource>;
currentAt: ProcessedComputable<DecimalSource>;
nextAt: ProcessedComputable<DecimalSource>;
buyMax: ProcessedComputable<boolean>;
spend: (amountGained: DecimalSource) => void;
}
>;
/**
* Lazily creates a conversion with the given options.
* You typically shouldn't use this function directly. Instead use one of the other conversion constructors, which will then call this.
* @param optionsFunc Conversion options.
* @see {@link createCumulativeConversion}.
* @see {@link createIndependentConversion}.
*/
export function createConversion<T extends ConversionOptions>(
optionsFunc: OptionsFunc<T, BaseConversion, GenericConversion>,
...decorators: GenericDecorator[]
): Conversion<T> {
return createLazyProxy(feature => {
const conversion = optionsFunc.call(feature, feature);
for (const decorator of decorators) {
decorator.preConstruct?.(conversion);
}
(conversion as GenericConversion).formula = conversion.formula(
Formula.variable(conversion.baseResource)
);
if (conversion.currentGain == null) {
conversion.currentGain = computed(() => {
let gain = Decimal.floor(
(conversion as GenericConversion).formula.evaluate(
conversion.baseResource.value
)
).max(0);
if (unref(conversion.buyMax) === false) {
gain = gain.min(1);
}
return gain;
});
}
if (conversion.actualGain == null) {
conversion.actualGain = conversion.currentGain;
}
if (conversion.currentAt == null) {
conversion.currentAt = computed(() => {
return (conversion as GenericConversion).formula.invert(
Decimal.floor(unref((conversion as GenericConversion).currentGain))
);
});
}
if (conversion.nextAt == null) {
conversion.nextAt = computed(() => {
return (conversion as GenericConversion).formula.invert(
Decimal.floor(unref((conversion as GenericConversion).currentGain)).add(1)
);
});
}
if (conversion.convert == null) {
conversion.convert = function () {
const amountGained = unref((conversion as GenericConversion).currentGain);
conversion.gainResource.value = Decimal.add(
conversion.gainResource.value,
amountGained
);
(conversion as GenericConversion).spend(amountGained);
conversion.onConvert?.(amountGained);
};
}
if (conversion.spend == null) {
conversion.spend = function () {
conversion.baseResource.value = 0;
};
}
processComputable(conversion as T, "currentGain");
processComputable(conversion as T, "actualGain");
processComputable(conversion as T, "currentAt");
processComputable(conversion as T, "nextAt");
processComputable(conversion as T, "buyMax");
setDefault(conversion, "buyMax", true);
for (const decorator of decorators) {
decorator.postConstruct?.(conversion);
}
return conversion as unknown as Conversion<T>;
});
}
/**
* Creates a conversion that simply adds to the gainResource amount upon converting.
* This is similar to the behavior of "normal" layers in The Modding Tree.
* This is equivalent to just calling createConversion directly.
* @param optionsFunc Conversion options.
*/
export function createCumulativeConversion<S extends ConversionOptions>(
optionsFunc: OptionsFunc<S, BaseConversion, GenericConversion>
): Conversion<S> {
return createConversion(optionsFunc);
}
/**
* Creates a conversion that will replace the gainResource amount with the new amount upon converting.
* This is similar to the behavior of "static" layers in The Modding Tree.
* @param optionsFunc Converison options.
*/
export function createIndependentConversion<S extends ConversionOptions>(
optionsFunc: OptionsFunc<S, BaseConversion, GenericConversion>
): Conversion<S> {
return createConversion(feature => {
const conversion: S = optionsFunc.call(feature, feature);
setDefault(conversion, "buyMax", false);
if (conversion.currentGain == null) {
conversion.currentGain = computed(() => {
let gain = Decimal.floor(
(conversion as unknown as GenericConversion).formula.evaluate(
conversion.baseResource.value
)
).max(conversion.gainResource.value);
if (unref(conversion.buyMax) === false) {
gain = gain.min(Decimal.add(conversion.gainResource.value, 1));
}
return gain;
});
}
if (conversion.actualGain == null) {
conversion.actualGain = computed(() => {
let gain = Decimal.sub(
(conversion as unknown as GenericConversion).formula.evaluate(
conversion.baseResource.value
),
conversion.gainResource.value
)
.floor()
.max(0);
if (unref(conversion.buyMax) === false) {
gain = gain.min(1);
}
return gain;
});
}
setDefault(conversion, "convert", function () {
const amountGained = unref((conversion as unknown as GenericConversion).actualGain);
conversion.gainResource.value = unref(
(conversion as unknown as GenericConversion).currentGain
);
(conversion as unknown as GenericConversion).spend(amountGained);
conversion.onConvert?.(amountGained);
});
return conversion;
}) as Conversion<S>;
}
/**
* This will automatically increase the value of conversion.gainResource without lowering the value of the input resource.
* It will by default perform 100% of a conversion's currentGain per second.
* If you use a ref for the rate you can set it's value to 0 when passive generation should be disabled.
* @param layer The layer this passive generation will be associated with. Typically `this` when calling this function from inside a layer's options function.
* @param conversion The conversion that will determine how much generation there is.
* @param rate A multiplier to multiply against the conversion's currentGain.
* @param cap A value that should not be passed via passive generation.
*/
export function setupPassiveGeneration(
layer: BaseLayer,
conversion: GenericConversion,
rate: Computable<DecimalSource> = 1,
cap: Computable<DecimalSource> = Decimal.dInf
): void {
const processedRate = convertComputable(rate);
const processedCap = convertComputable(cap);
layer.on("preUpdate", diff => {
const currRate = unref(processedRate);
if (Decimal.neq(currRate, 0)) {
conversion.gainResource.value = Decimal.add(
conversion.gainResource.value,
Decimal.times(currRate, diff).times(Decimal.ceil(unref(conversion.actualGain)))
)
.min(unref(processedCap))
.max(conversion.gainResource.value);
}
});
}
/**
* Creates requirement that is met when the conversion hits a specified gain amount
* @param conversion The conversion to check the gain amount of
* @param minGainAmount The minimum gain amount that must be met for the requirement to be met
*/
export function createCanConvertRequirement(
conversion: GenericConversion,
minGainAmount: Computable<DecimalSource> = 1,
display?: CoercableComponent
) {
const computedMinGainAmount = convertComputable(minGainAmount);
return createBooleanRequirement(
() => Decimal.gte(unref(conversion.actualGain), unref(computedMinGainAmount)),
display
);
}