asg.js

const startingTime = 4324;

function main() {
  console.log(data.players[0].state);
  for (let i = 0; i < data.players.length; i++) {
    updatePlayer(data.players[i], startingTime + 200);
  }
  console.log(data.players[0].state);
}

function updatePlayer(player, gameTime) {
  const timeStart = player.state.at;
  const timeDiff = gameTime - timeStart;

  let isTimeBreak = {};
  for (const taskId in player.state.wip) {
    if (player.state.wip[taskId].finishedAt <= gameTime) {
      if (!isTimeBreak[player.state.wip[taskId].finishedAt]) {
        isTimeBreak[player.state.wip[taskId].finishedAt] = [];
      }
      isTimeBreak[player.state.wip[taskId].finishedAt].push(taskId);
    }
  }

  for (let i = 0; i < timeDiff; i++) {
    // process wips
    if (isTimeBreak[timeStart + i]) {
      const task = player.state.wip[isTimeBreak[timeStart + i]];
      for (const effectChange of task.effectsChanges) {
        switch (effectChange.action) {
          case "delete":
            for (let j = 0; j < player.state.effects.length; j++) {
              if (player.state.effects[j].id == effectChange.id) {
                player.state.effects.splice(j, 1);
              }
            }
            break;
          case "add":
            player.state.effects.push({ id: effectChange.id });
            break;
        }
      }
      player.state.wip.splice(isTimeBreak[timeStart + i], 1);
    }

    // process effects
    for (const effect of player.state.effects) {
      params = gameParams.effects[effect.id];
      if (!params) {
        console.warn({ msg: `effect '${effect.id}' is not declared` });
        continue;
      }
      params.perTick(player);
    }

    player.state.at = timeStart + i + 1;
  }
}

let data = {
  players: [
    {
      id: "snwfdhmp",
      state: {
        at: 4324,
        data: {
          goldPossessed: 1205,
        },
        effects: [
          {
            id: "gold_production_lvl_1",
          },
        ],
        wip: [
          {
            finishedAt: 4507,
            effectsChanges: [
              {
                action: "delete",
                id: "gold_production_lvl_1",
              },
              {
                action: "add",
                id: "gold_production_lvl_2",
              },
            ],
          },
        ],
      },
    },
  ],
};

let gameParams = {
  effects: {
    gold_production_lvl_1: {
      perTick: (player) => {
        player.state.data.goldPossessed += 2;
      },
    },
    gold_production_lvl_2: {
      perTick: (player) => {
        player.state.data.goldPossessed += 1000;
      },
    },
  },
};

main();