more and better

This commit is contained in:
Robin Appelman 2022-08-25 23:55:50 +02:00
commit 0572f34c99
6 changed files with 745 additions and 177 deletions

View file

@ -1 +1 @@
export {parseDemo, ParsedDemo, PlayerState, WorldBoundaries, Class, Team} from "./parser";
export {parseDemo, ParsedDemo, PlayerState, WorldBoundaries, Class, Team, BuildingType} from "./parser";

View file

@ -5,13 +5,41 @@ export async function parseDemo(bytes: Uint8Array): Promise<ParsedDemo> {
const state = m.parse_demo(bytes);
let playerCount = state.player_count;
let buildingCount = state.building_count;
let boundaries = state.boundaries;
let interval_per_tick = state.interval_per_tick;
let kill_ticks = m.get_kill_ticks(state);
let attackers = m.get_attacker_ids(state);
let assisters = m.get_assister_ids(state);
let victims = m.get_victim_ids(state);
let playerInfo = [];
for (let i = 0; i < playerCount; i++) {
playerInfo.push({
name: m.get_player_name(state, i),
steamId: m.get_player_steam_id(state, i),
entityId: m.get_player_entity_id(state, i),
})
}
let kills = [];
for (let i = 0; i < kill_ticks.length; i++) {
kills.push({
tick: kill_ticks[i],
attacker: attackers[i],
assister: assisters[i],
victim: victims[i],
weapon: m.get_weapon(state, i),
})
}
let map = m.get_map(state);
let data = m.get_data(state);
return new ParsedDemo(
playerCount,
buildingCount,
{
boundary_min: {
x: boundaries.boundary_min.x,
@ -26,10 +54,18 @@ export async function parseDemo(bytes: Uint8Array): Promise<ParsedDemo> {
map,
interval_per_tick
},
data
data,
kills,
playerInfo
);
}
export interface PlayerInfo {
entityId: number,
name: string,
steamId: string,
}
export enum Team {
Other = 0,
Spectator = 1,
@ -50,6 +86,17 @@ export enum Class {
Engineer = 9,
}
export enum BuildingType {
TeleporterEntrance = 0,
TeleporterExit = 1,
Dispenser = 2,
Level1Sentry = 3,
Level2Sentry = 4,
Level3Sentry = 5,
MiniSentry = 6,
Unknown = 7,
}
export interface WorldBoundaries {
boundary_min: {
x: number,
@ -70,6 +117,19 @@ export interface PlayerState {
health: number,
team: Team,
playerClass: Class,
info: PlayerInfo,
charge: number,
}
export interface BuildingState {
position: {
x: number,
y: number
},
angle: number,
health: number,
team: Team,
buildingType: BuildingType,
}
export interface Header {
@ -77,6 +137,14 @@ export interface Header {
map: string
}
export interface Kill {
tick: number,
attacker: number,
assister: number,
victim: number,
weapon: string,
}
function unpack_f32(val: number, min: number, max: number): number {
const ratio = val / (Math.pow(2, 16) - 1);
return ratio * (max - min) + min;
@ -89,17 +157,23 @@ function unpack_angle(val: number): number {
export class ParsedDemo {
public readonly playerCount: number;
public readonly buildingCount: number;
public readonly world: WorldBoundaries;
public readonly data: Uint8Array;
private readonly header: Header;
public readonly tickCount: number;
public readonly kills: Kill[];
public readonly playerInfo: PlayerInfo[];
constructor(playerCount: number, world: WorldBoundaries, header: Header, data: Uint8Array) {
constructor(playerCount: number, buildingCount: number, world: WorldBoundaries, header: Header, data: Uint8Array, kills: Kill[], playerInfo: PlayerInfo[]) {
this.playerCount = playerCount;
this.buildingCount = buildingCount;
this.world = world;
this.header = header;
this.data = data;
this.tickCount = data.length / playerCount / PACK_SIZE;
this.kills = kills;
this.playerInfo = playerInfo;
this.tickCount = data.length / (playerCount * PLAYER_PACK_SIZE + buildingCount * BUILDING_PACK_SIZE);
}
getPlayer(tick: number, playerIndex: number): PlayerState {
@ -107,14 +181,24 @@ export class ParsedDemo {
throw new Error("Player out of bounds");
}
const base = ((playerIndex * this.tickCount) + tick) * PACK_SIZE;
return unpackPlayer(this.data, base, this.world);
const base = ((playerIndex * this.tickCount) + tick) * PLAYER_PACK_SIZE;
return unpackPlayer(this.data, base, this.world, this.playerInfo[playerIndex]);
}
getBuilding(tick: number, buildingIndex: number): BuildingState {
if (buildingIndex >= this.buildingCount) {
throw new Error("Player out of bounds");
}
const base = ((buildingIndex * this.tickCount) + tick) * BUILDING_PACK_SIZE;
return unpackBuilding(this.data, base, this.world);
}
}
const PACK_SIZE = 7;
const PLAYER_PACK_SIZE = 8;
const BUILDING_PACK_SIZE = 7;
function unpackPlayer(bytes: Uint8Array, base: number, world: WorldBoundaries): PlayerState {
function unpackPlayer(bytes: Uint8Array, base: number, world: WorldBoundaries, info: PlayerInfo): PlayerState {
const x = unpack_f32(bytes[base] + (bytes[base + 1] << 8), world.boundary_min.x, world.boundary_max.x);
const y = unpack_f32(bytes[base + 2] + (bytes[base + 3] << 8), world.boundary_min.y, world.boundary_max.y);
const team_class_health = bytes[base + 4] + (bytes[base + 5] << 8);
@ -122,12 +206,33 @@ function unpackPlayer(bytes: Uint8Array, base: number, world: WorldBoundaries):
const health = team_class_health & 1013;
const team = (team_class_health >> 14) as Team;
const playerClass = ((team_class_health >> 10) & 15) as Class;
const charge = bytes[base + 7];
return {
position: {x, y},
angle,
health,
team,
playerClass
playerClass,
info,
charge
}
}
}
function unpackBuilding(bytes: Uint8Array, base: number, world: WorldBoundaries): BuildingState {
const x = unpack_f32(bytes[base] + (bytes[base + 1] << 8), world.boundary_min.x, world.boundary_max.x);
const y = unpack_f32(bytes[base + 2] + (bytes[base + 3] << 8), world.boundary_min.y, world.boundary_max.y);
const team_type_health = bytes[base + 4] + (bytes[base + 5] << 8);
const angle = unpack_angle(bytes[base + 6]);
const health = team_type_health & 1013;
const team = (team_type_health >> 13) as Team;
const buildingType = ((team_type_health >> 10) & 7) as BuildingType;
return {
position: {x, y},
angle,
health,
team,
buildingType
}
}