-
Notifications
You must be signed in to change notification settings - Fork 0
/
char_crea02.js
66 lines (56 loc) · 2.35 KB
/
char_crea02.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
'use strict';
// HTML tags' selections.
const btnTrain = document.getElementById('train');
const skillsElm = document.querySelectorAll('.skill');
const skills = ['strength', 'dexterity', 'stamina', 'luck', 'wisdom'];
const skillInfoElm = document.querySelector('.skill-points-info');
const skillPointsRemainingElm = document.querySelector('.skill-points-remaining');
// State variables.
let skillPointsRemaining = 20;
let allSkillPointsSpent = false;
const addSkillPoints = function (/** @type {string} */ skill) {
/**
* Add skill points to a skill's level.
*/
return parseInt(document.getElementById(`${skill}`).value);
};
skillsElm.forEach((skillElm, idx) => {
skillElm.addEventListener('input', e => {
let skillPoints = parseInt(e.target.value);
// Prevent user to input non-number value.
if (isNaN(skillPoints)) e.target.value = '';
// Check if user input fits in the correct range to update skill level.
if (skillPoints > 0 && skillPoints < 6) {
document.querySelector(`.skill-level-${idx}`).textContent = skillPoints;
} else if (skillPoints < 0 && skillPoints > 5) {
// Create dynamically a warning message to explain to the user the correct value's range.
const newNode = document.createElement('p');
newNode.classList.add('warnSkill');
const invalidSkillLevelMsg = document.createTextNode('A skill level can not exceed 5');
newNode.appendChild(invalidSkillLevelMsg);
skillInfoElm.insertBefore(newNode, null);
// Check if warning message alreay exist to prevent duplicating this node.
// if (!newNode.classList.contains('warnSkill')) {
// }
}
});
});
btnTrain.addEventListener('click', function () {
skillsElm.forEach((skillElm, idx) => {
if (!allSkillPointsSpent) {
const skillPoints = addSkillPoints(skills[idx]);
if (skillPointsRemaining - skillPoints >= 0) {
// Update SP pool.
skillPointsRemaining -= skillPoints;
skillPointsRemainingElm.textContent = skillPointsRemaining;
// Reset user input to prevent awkwardnesses.
skillElm.value = '';
}
// Warn the user about no SP left and deactivate the Train button.
if (!skillPointsRemaining) {
document.querySelector('.skill-points-info').textContent = 'ℹ️ No skill points available.';
allSkillPointsSpent = true;
}
}
});
});