erratic-gate/src/modules/simulation/classes/Gate.ts
2024-11-27 11:35:29 +01:00

560 lines
14 KiB
TypeScript

import { Transform } from '../../../common/math/classes/Transform'
import { Pin } from './Pin'
import {
GateTemplate,
PinCount,
isGroup,
Property
} from '../types/GateTemplate'
import { idStore } from '../stores/idStore'
import { Context, InitialisationContext } from '../../activation/types/Context'
import { toFunction } from '../../activation/helpers/toFunction'
import { Subscription, BehaviorSubject } from 'rxjs'
import { SimulationError } from '../../errors/classes/SimulationError'
import { getGateTimePipes } from '../helpers/getGateTimePipes'
import { ImageStore } from '../../simulationRenderer/stores/imageStore'
import { completeTemplate } from '../../logic-gates/helpers/completeTemplate'
import { Simulation, SimulationEnv } from './Simulation'
import { fromSimulationState } from '../../saving/helpers/fromState'
import { saveStore } from '../../saving/stores/saveStore'
import { Wire } from './Wire'
import { cleanSimulation } from '../../simulation-actions/helpers/clean'
import { ExecutionQueue } from '../../activation/classes/ExecutionQueue'
import { PropsSave } from '../../saving/types/SimulationSave'
import { ValueOf } from '../../../common/lang/record/types/ValueOf'
/**
* The interface for the pins of a gate
*/
export interface GatePins {
inputs: Pin[]
outputs: Pin[]
}
/**
* Wrapper around a pin so it can be rendered at the right place
*/
export interface PinWrapper {
total: number
index: number
value: Pin
}
/**
* A function wich can be run with an activation context
*/
export type GateFunction = null | ((ctx: Context) => void)
/**
* All functions a gate must remember
*/
export interface GateFunctions {
activation: GateFunction
onClick: GateFunction
}
export type GateProps = {
[K in keyof PropsSave]: BehaviorSubject<PropsSave[K]> | GateProps
} & {
external: BehaviorSubject<boolean>
label: BehaviorSubject<string>
}
export class Gate {
/**
* The transform of the gate
*/
public transform = new Transform()
/**
* The object holding all the pins the gate curently has
*/
public _pins: GatePins = {
inputs: [],
outputs: []
}
/**
* The id of the gate
*/
public id: number
/**
* The template the gate needs to follow
*/
public template: GateTemplate
/**
* All the functions created from the template strings
*/
private functions: GateFunctions = {
activation: null,
onClick: null
}
/**
* Used only if the gate is async
*/
private executionQueue = new ExecutionQueue<void>()
/**
* All rxjs subscriptions the gate created
* (if they are not manually cleared it can lead to memory leaks)
*/
private subscriptions: Subscription[] = []
/**
* The state the activation functions have aces to
*/
private memory: Record<string, unknown> = {}
/**
* The inner simulaton used by integrated circuits
*/
private ghostSimulation: Simulation
/**
* The wires connecting the outer simulation to the inner one
*/
private ghostWires: Wire[] = []
/**
* Boolean keeping track if the component is an ic
*/
private isIntegrated = false
/**
* Used to know if the component runs in the global scope (rendered)
* or insie an integrated circuit
*/
public env: SimulationEnv = 'global'
/**
* Holds all the gate-related text
*/
public text = {
inner: new BehaviorSubject<string | null>(null)
}
/**
* The props used by the activation function (the same as memory but presists)
*/
public props: GateProps = {} as GateProps
/**
* The main logic gate class
*
* @param template The template the gate needs to follow
* @param id The id of the gate
*/
public constructor(
template: DeepPartial<GateTemplate> = {},
id?: number,
props: PropsSave = {}
) {
this.template = completeTemplate(template)
this.transform.scale = this.template.shape.scale
if (this.template.material.type === 'color') {
this.template.material.colors.main = this.template.material.fill
}
this.functions.activation = toFunction(
this.template.code.activation,
'context'
)
this.functions.onClick = toFunction(this.template.code.onClick, 'context')
this._pins.inputs = Gate.generatePins(this.template.pins.inputs, 1, this)
this._pins.outputs = Gate.generatePins(this.template.pins.outputs, 2, this)
if (this.template.material.type === 'image') {
ImageStore.set(this.template.material.fill)
}
this.id = id !== undefined ? id : idStore.generate()
for (const pin of this._pins.inputs) {
const pipes = getGateTimePipes(this.template)
const subscription = pin.state.pipe(...pipes).subscribe(() => {
if (this.template.code.async) {
this.executionQueue.push(async () => {
return this.update()
})
} else {
this.update()
}
})
this.subscriptions.push(subscription)
}
this.init()
if (this.template.tags.includes('integrated')) {
this.isIntegrated = true
}
if (this.isIntegrated) {
const state = saveStore.get(this.template.metadata.name)
if (!state) {
throw new SimulationError(
`Cannot run ic ${this.template.metadata.name} - save not found`
)
}
this.ghostSimulation = fromSimulationState(state.simulation, 'gate')
cleanSimulation(this.ghostSimulation)
const sortByPosition = (x: Gate, y: Gate) =>
x.transform.position[1] - y.transform.position[1]
const gates = Array.from(this.ghostSimulation.gates)
const inputs = gates
.filter((gate) => gate.template.integration.input)
.sort(sortByPosition)
.map((gate) => gate.wrapPins(gate._pins.outputs))
.flat()
const outputs = gates
.filter((gate) => gate.template.integration.output)
.sort(sortByPosition)
.map((gate) => gate.wrapPins(gate._pins.inputs))
.flat()
if (inputs.length !== this._pins.inputs.length) {
throw new SimulationError(
`Input count needs to match with the container gate: ${inputs.length} !== ${this._pins.inputs.length}`
)
}
if (outputs.length !== this._pins.outputs.length) {
throw new SimulationError(
`Output count needs to match with the container gate: ${outputs.length} !== ${this._pins.outputs.length}`
)
}
const wrappedInputs = this.wrapPins(this._pins.inputs)
const wrappedOutputs = this.wrapPins(this._pins.outputs)
for (let index = 0; index < inputs.length; index++) {
this.ghostWires.push(
new Wire(wrappedInputs[index], inputs[index], true)
)
}
for (let index = 0; index < outputs.length; index++) {
this.ghostWires.push(
new Wire(outputs[index], wrappedOutputs[index], true)
)
}
this.ghostSimulation.wires.push(...this.ghostWires)
}
this.assignProps(props)
}
private updateNestedProp(
path: string[],
value: ValueOf<PropsSave>,
gate: Gate = this
) {
if (!path.length) {
return
}
if (path.length === 1) {
const subject = gate.props[path[0]]
if (subject instanceof BehaviorSubject) {
subject.next(value)
}
return
}
const nextGates = [...gate.ghostSimulation.gates].filter(
(gate) => gate.props?.label?.value === path[0]
)
for (const nextGate of nextGates) {
this.updateNestedProp(path.slice(1), value, nextGate)
}
}
/**
* Assign the props passed to the gate and merge them with the base ones
*/
private assignProps(
source: PropsSave,
props: Property[] = this.template.properties.data,
target: GateProps = this.props,
path: string[] = []
) {
// We don't want to update until every prop has been created
let lockUpdates = true
if (this.template.properties.enabled) {
for (const prop of props) {
if (isGroup(prop)) {
const { groupName } = prop
target[groupName] = {} as GateProps
this.assignProps(
typeof source[groupName] === 'object'
? (source[groupName] as PropsSave)
: {},
prop.props,
target[groupName] as GateProps,
[...path, groupName]
)
continue
}
const { name, base, needsUpdate } = prop
const subject = new BehaviorSubject(
source.hasOwnProperty(name) ? source[name] : base
)
target[name] = subject
this.subscriptions.push(
subject.subscribe((value) => {
if (!lockUpdates && needsUpdate && path.length === 0) {
return this.update()
}
if (path.length === 0) {
return
}
this.updateNestedProp([...path, name], value)
})
)
}
}
lockUpdates = false
this.update()
}
/**
* Runs the init function from the template
*/
private init() {
toFunction<[InitialisationContext]>(
this.template.code.initialisation,
'context'
)({
memory: this.memory
})
}
/**
* Runs the onClick function from the template
*/
public onClick() {
if (this.functions.onClick) {
this.functions.onClick(this.getContext())
}
}
/**
* Used to get the props as an object
*/
public getProps(target = this.props) {
const props: PropsSave = {}
for (const [key, value] of Object.entries(target)) {
if (value instanceof BehaviorSubject) {
props[key] = value.value
} else {
props[key] = this.getProps(value)
}
}
return props
}
/**
* Clears subscriptions to prevent memory leaks
*/
public dispose() {
for (const pin of this.pins) {
pin.value.dispose()
}
for (const subscription of this.subscriptions) {
subscription.unsubscribe()
}
if (this.isIntegrated) {
this.ghostSimulation.dispose()
}
}
/**
* Runs the activation function from the template
*/
public update() {
if (!this.template.tags.includes('integrated')) {
const context = this.getContext()
if (!this.functions.activation)
throw new SimulationError('Activation function is missing')
return this.functions.activation(context)
}
}
/**
* Generates the activation context
*/
public getContext(): Context {
const maxLength = Math.max(
...this._pins.inputs.map((pin) => pin.state.value.length)
)
const toLength = (
original: string | number,
length: number = maxLength,
paddingChar = '0'
) => {
const value = original.toString(2)
if (value.length === length) {
return value
} else if (value.length > length) {
const difference = value.length - length
return value.slice(difference)
} else {
return `${paddingChar.repeat(length - value.length)}${value}`
}
}
const context: Context = {
printBinary: (value: number, bits: number = maxLength) =>
toLength(value.toString(2), bits),
printHex: (value: number, bits: number = maxLength) =>
toLength(value.toString(16), bits),
displayBinary: (value: number) => {
const length = value.toString(2).length
const text =
length > 10
? '0x' + context.printHex(value, Math.ceil(length / 4))
: context.printBinary(value, length)
context.innerText(text)
},
get: (index: number) => {
return this._pins.inputs[index].state.value
},
set: (index: number, state) => {
return this._pins.outputs[index].state.next(state)
},
getOutput: (index: number) => {
return this._pins.outputs[index].state.value
},
getBinary: (index: number) => {
return parseInt(this._pins.inputs[index].state.value, 2)
},
setBinary: (index: number, value: number, bits: number = maxLength) => {
return this._pins.outputs[index].state.next(
toLength(value.toString(2), bits)
)
},
getOutputBinary: (index: number) => {
return parseInt(this._pins.outputs[index].state.value, 2)
},
invertBinary: (value: number) => {
return value ^ ((1 << maxLength) - 1)
},
color: (color: string) => {
if (this.template.material.type === 'color') {
this.template.material.fill = color
}
},
getProperty: (name: string) => {
if (this.props[name] === undefined) {
throw new Error(
[
`Cannot find property ${name} on gate ${this.template.metadata.name}.`,
`Current values: ${Object.keys(this.props)}`
].join('\n')
)
} else {
return this.props[name].value
}
},
setProperty: (name: string, value: string | number | boolean) => {
const subject = this.props[name]
if (subject instanceof BehaviorSubject) {
subject.next(value)
}
},
innerText: (value: string) => {
this.text.inner.next(value)
},
update: () => {
this.update()
},
toLength,
maxLength,
enviroment: this.env,
memory: this.memory,
colors: {
...this.template.material.colors
}
}
return context
}
/**
* Generates pin wrappers from an array of pins
*
* @param pins The pins to wwap
*/
private wrapPins(pins: Pin[]) {
const result: PinWrapper[] = []
const length = pins.length
for (let index = 0; index < length; index++) {
result.push({
index,
total: length,
value: pins[index]
})
}
return result
}
/**
* Returns all pins (input + output)
*/
public get pins() {
const result = [
...this.wrapPins(this._pins.inputs),
...this.wrapPins(this._pins.outputs)
]
return result
}
/**
* Generates empty pins for any gate
*/
private static generatePins(options: PinCount, type: number, gate: Gate) {
return [...Array(options.count)]
.fill(true)
.map((_v, _index) => new Pin(type, gate))
}
}