Listings 16.04 to 16.10 - The game controller
JS Bin
(function () {
// 16.05
var player;
var inPlay = false;
var init = function (mapData, playerName) {
var firstPlace = theCrypt.buildMap(mapData);
player = new theCrypt.Player(playerName, 50);
player.addItem("The Sword of Doom");
player.setPlace(firstPlace);
inPlay = true;
render();
return "";
};
// 16.06
var checkGameStatus = function () {
if (player.getData().health <= 0) {
inPlay = false;
renderMessage("Overcome by your wounds...");
renderMessage("...you fall to the ground.");
renderMessage("- Your adventure is over -");
}
};
// 16.07
var render = function () {
console.clear();
if (inPlay) {
theCrypt.placeView.render(player.getPlace());
theCrypt.playerView.render(player);
}
};
var renderMessage = function (message) {
theCrypt.messageView.render(message);
};
// 16.08
var get = function () {
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!");
}
return "";
};
// 16.09
var go = function (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) {
player.setPlace(destination);
render();
} else {
if (challenge.damage) {
player.applyDamage(challenge.damage);
}
render();
renderMessage(challenge.message);
checkGameStatus();
}
}
} else {
renderMessage("The game is over!");
}
return "";
};
// 16.10
var use = function (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!");
}
return "";
};
// 16.04
// Assign the public interface
window.game = {
get: get,
go: go,
use: use,
init: init
};
})();
