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import { PACKET_TYPES } from "../constants";
import { encodeString, readString, readUint16, readUint64, readUint8, writeUint16, writeUint64, writeUint8 } from "../utils";
import { TASDPacket, buildBuffer } from "./utils";
export class SNESLatchFilterPacket implements TASDPacket {
constructor(public time: number) {}
get key() {
return PACKET_TYPES.SNES_LATCH_FILTER;
}
get size() {
return 2;
}
static fromBuffer(buffer: Uint8Array) {
return new this(readUint16(buffer, 0));
}
toBuffer(g_keylen: number): Uint8Array {
const payload = new Uint8Array(2);
writeUint16(this.time, payload, 0);
return buildBuffer(g_keylen, this.key, payload);
}
toString(): string {
return `SNESLatchFilter ${this.time}`;
}
}
export class SNESClockFilterPacket implements TASDPacket {
constructor(public time: number) {}
get key() {
return PACKET_TYPES.SNES_CLOCK_FILTER;
}
get size() {
return 1;
}
static fromBuffer(buffer: Uint8Array) {
return new this(readUint8(buffer, 0));
}
toBuffer(g_keylen: number): Uint8Array {
const payload = new Uint8Array(1);
writeUint8(this.time, payload, 0);
return buildBuffer(g_keylen, this.key, payload);
}
toString(): string {
return `SNESClockFilter ${this.time}`;
}
}
export class SNESGameGenieCodePacket implements TASDPacket {
constructor(public code: string) {}
get key() {
return PACKET_TYPES.SNES_GAME_GENIE_CODE;
}
get size() {
return this.code.length;
}
static fromBuffer(buffer: Uint8Array) {
return new this(readString(buffer, 0, buffer.length));
}
toBuffer(g_keylen: number): Uint8Array {
return buildBuffer(g_keylen, this.key, encodeString(this.code));
}
toString(): string {
return `SNESGameGenieCode ${this.code}`;
}
}
export class SNESLatchTrainPacket implements TASDPacket {
constructor(public trains: bigint[]) {}
get key() {
return PACKET_TYPES.SNES_LATCH_TRAIN;
}
get size() {
return this.trains.length * 8;
}
static fromBuffer(buffer: Uint8Array) {
const trains = [];
for (let index = 0; index < buffer.length; index += 8) {
trains.push(readUint64(buffer, index));
}
return new this(trains);
}
toBuffer(g_keylen: number): Uint8Array {
const payload = new Uint8Array(this.size);
let index = 0;
for (const train of this.trains) {
writeUint64(train, payload, index);
index += 8;
}
return buildBuffer(g_keylen, this.key, payload);
}
toString(): string {
return `SNESLatchTrain ${this.trains.length}`;
}
}
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