Elevator Saga

elevator.js

{
    init: function(elevators, floors) {
        var floorUpStatus = Array(floors.length);
        floorUpStatus.fill(false);
        var floorDownStatus = Array(floors.length);
        floorDownStatus.fill(false);

        elevators.forEach(function(elevator, i, array) {
            elevator.on("idle", function() {
                console.log("### on idle")
                switch (getIndicator(elevator)) {
                    case "up":
                        setIndicator(elevator, "idle");
                        for (let i = floors.length-1; i >= 0; i--) {
                            if (floorDownStatus[i]) {
                                setIndicator(elevator, "down");
                                elevator.goToFloor(i);
                                console.log(i + "F の下ボタンを迎えに行きます")
                                return;
                            }
                        }
                        if (getIndicator(elevator) === "idle") {
                            for (let i = 0; i < floors.length; i++) {
                                if (floorUpStatus[i]) {
                                    setIndicator(elevator, "up");
                                    elevator.goToFloor(i);
                                    console.log(i + "F の上ボタンを迎えに行きます")
                                    return;
                                }
                            }
                        }
                            console.log("ひまになりました")
                        break;
                    case "down":
                        setIndicator(elevator, "idle");
                        for (let i = 0; i < floors.length; i++) {
                            if (floorUpStatus[i]) {
                                setIndicator(elevator, "up");
                                elevator.goToFloor(i);
                                console.log(i + "F の上ボタンを迎えに行きます")
                                return;
                            }
                        }
                        if (getIndicator(elevator) === "idle") {
                            for (let i = floors.length; i >= 0; i--) {
                                if (floorDownStatus[i]) {
                                    setIndicator(elevator, "down");
                                    elevator.goToFloor(i);
                                    console.log(i + "F の下ボタンを迎えに行きます")
                                    return;
                                }
                            }
                        }
                            console.log("ひまになりました")
                        break;
                    default:
                        setIndicator(elevator, "idle");
                            console.log("ひまになりました")
                }
            });

            elevator.on("floor_button_pressed", function(floorNum) {
                queue = elevator.destinationQueue;
                queue.push(floorNum);
                decideQueues(elevator, queue);
            });
            
            elevator.on("passing_floor", function(floorNum, direction) {
                if (getIndicator(elevator) === "up" && floorUpStatus[floorNum] && direction === "up") {
                    floorUpStatus[floorNum] = false;
                    elevator.goToFloor(floorNum, true);
                } else if (getIndicator(elevator) === "down" && floorDownStatus[floorNum] && direction === "down") {
                    floorDownStatus[floorNum] = false;
                    elevator.goToFloor(floorNum, true);
                }
            });

            elevator.on("stopped_at_floor", function(floorNum) {
                if (getIndicator(elevator) === "up" && floorUpStatus[floorNum]) {
                    floorUpStatus[floorNum] = false;
                } else if (getIndicator(elevator) === "down" && floorDownStatus[floorNum]) {
                    floorDownStatus[floorNum] = false;
                }
            });
        });

        floors.forEach(floor => {
            floor.on("up_button_pressed", function() {
                floorUpStatus[floor.floorNum()] = true;
                for(let i = 0; i < elevators.length; i++) {
                    if (getIndicator(elevators[i]) === "up" && elevators[i].destinationDirection() === "up" && elevators[i].currentFloor() < floor.floorNum()) {
                        return;
                    }
                }
                for(let i = 0; i < elevators.length; i++) {
                    if (getIndicator(elevators[i]) === "up" && elevators[i].destinationDirection() === "down" && elevators[i].currentFloor() > floor.floorNum()) {
                        elevators[i].destinationQueue = [floor.floorNum()];
                        elevators[i].checkDestinationQueue;
                        return;
                    }
                }
                for(let i = 0; i < elevators.length; i++) {
                    if (getIndicator(elevators[i]) === "idle") {
                        console.log(floor.floorNum() + "F の上ボタンを迎えに行きます")
                        setIndicator(elevators[i], "up");
                        elevators[i].goToFloor(floor.floorNum());
                        return;
                    }
                }
            });

            floor.on("down_button_pressed", function() {
                floorDownStatus[floor.floorNum()] = true;
                for(let i = 0; i < elevators.length; i++) {
                    if (getIndicator(elevators[i]) === "down" && elevators[i].destinationDirection() === "down" && elevators[i].currentFloor() > floor.floorNum()) {
                        return;
                    } 
                }
                for(let i = 0; i < elevators.length; i++) {
                    if (getIndicator(elevators[i]) === "down" && elevators[i].destinationDirection() === "up" && elevators[i].currentFloor() < floor.floorNum()) {
                        elevators[i].destinationQueue = [floor.floorNum()];
                        elevators[i].checkDestinationQueue;
                        return;
                    }
                }
                for(let i = 0; i < elevators.length; i++) {
                    if (getIndicator(elevators[i]) === "idle") {
                        console.log(floor.floorNum() + "F の下ボタンを迎えに行きます")
                        setIndicator(elevators[i], "down");
                        elevators[i].goToFloor(floor.floorNum());
                        return;
                    }
                }
            });
        });

        function decideQueues(elevator, queue) {
            if (queue.length === 0) {
                queue = [floorNum];
            } else if (getIndicator(elevator) === "up") {
                queue.sort(function(a, b) {
                    return a - b;
                });
            } else if (getIndicator(elevator) === "down") {
                queue.sort(function(a, b) {
                    return b - a;
                });
            }
            console.log(getIndicator(elevator) + " へまいります")
            elevator.destinationQueue = queue;
            elevator.checkDestinationQueue();
        }

        function getIndicator(elevator) {
            if (elevator.goingUpIndicator() && !elevator.goingDownIndicator()) {
                return "up";
            } else if (elevator.goingDownIndicator() && !elevator.goingUpIndicator()) {
                return "down";
            } else {
                return "idle";
            }
        }

        function setIndicator(elevator, direction) {
            switch(direction) {
                case "up":
                    elevator.goingUpIndicator(true);
                    elevator.goingDownIndicator(false);
                    break;
                case "down":
                    elevator.goingUpIndicator(false);
                    elevator.goingDownIndicator(true);
                    break;
                case "idle":
                    elevator.goingUpIndicator(false);
                    elevator.goingDownIndicator(false);
            }
        }

    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}