Listing 20.09 - The game controller using the Map Manager
JS Bin
(function () {
"use strict";
var player;
var inPlay = false;
function render () {
console.clear();
if (inPlay) {
theCrypt.placeView.render(player.getPlace());
theCrypt.playerView.render(player);
}
}
function renderMessage (message) {
theCrypt.messageView.render(message);
}
function checkGameStatus () {
if (player.getData().health <= 0) {
inPlay = false;
renderMessage("Overcome by your wounds...");
renderMessage("...you fall to the ground.");
renderMessage("- Your adventure is over -");
}
}
function init (firstPlaceId, playerName) {
theCrypt.map.loadPlace(firstPlaceId, function (firstPlace) {
player = new theCrypt.Player(playerName, 50);
player.addItem("The Sword of Doom");
player.setPlace(firstPlace);
inPlay = true;
render();
});
}
function get () {
if (inPlay) {
var place = player.getPlace();
var item = place.getLastItem();
if (item !== undefined) {
player.addItem(item);
render();
} else {
renderMessage("There is no item to get");
}
} else {
renderMessage("The game is over!");
}
}
function go (direction) {
if (inPlay) {
var place = player.getPlace();
var destination = place.getExit(direction);
var challenge = place.getChallenge(direction);
if (destination === undefined) {
renderMessage("There is no exit in that direction");
} else {
if ((challenge === undefined) || challenge.complete) {
theCrypt.map.loadPlace(destination, function (place) {
player.setPlace(place);
render();
});
} else {
if (challenge.damage) {
player.applyDamage(challenge.damage);
}
render();
renderMessage(challenge.message);
checkGameStatus();
}
}
} else {
renderMessage("The game is over!");
}
}
function use (item, direction) {
if (inPlay) {
var place = player.getPlace();
var challenge = place.getChallenge(direction);
if (challenge === undefined || challenge.complete === true) {
renderMessage("You don't need to use that there");
} else if (player.hasItem(item)) {
if (item === challenge.requires) {
renderMessage(challenge.success);
challenge.complete = true;
if (challenge.itemConsumed) {
player.removeItem(item);
}
} else {
renderMessage(challenge.failure);
}
} else {
renderMessage("You don't have that item");
}
} else {
renderMessage("The game is over!");
}
}
// Assign the public interface
window.game = {
get: get,
go: go,
use: use,
init: init,
message: renderMessage
};
})();
