canvas.js

var global = require('./global');

class Canvas {
    constructor(params) {
        this.directionLock = false;
        this.target = global.target;
        this.reenviar = true;
        this.socket = global.socket;
        this.directions = [];
        var self = this;

        this.cv = document.getElementById('cvs');
        this.cv.width = global.screenWidth;
        this.cv.height = global.screenHeight;
        this.cv.addEventListener('mousemove', this.gameInput, false);
        this.cv.addEventListener('keydown', this.keyboardDown, false);
        this.cv.addEventListener('keyup', this.keyboardUp, false);
        this.cv.addEventListener("mousedown", this.mouseDown, false);
        this.cv.addEventListener("mouseup", this.mouseUp, false);
        this.cv.parent = self;
        global.canvas = this;
    }

    keyboardDown(event) {
        switch (event.keyCode) {
        case global.KEY_UP_ARROW:
        case global.KEY_UP:     this.parent.socket.emit('command', 'up', true); break;
        case global.KEY_DOWN_ARROW:
        case global.KEY_DOWN:   this.parent.socket.emit('command', 'down', true); break;
        case global.KEY_LEFT_ARROW:
        case global.KEY_LEFT:   this.parent.socket.emit('command', 'left', true); break;
        case global.KEY_RIGHT_ARROW:
        case global.KEY_RIGHT:  this.parent.socket.emit('command', 'right', true); break;
        case global.KEY_LEVEL_UP: this.parent.socket.emit('levelup'); break;
        }
        if (!event.repeat) {
            switch (event.keyCode) {
            case global.KEY_AUTO_SPIN:    this.parent.socket.emit('toggle', 'autospin'); break;
            case global.KEY_AUTO_FIRE:    this.parent.socket.emit('toggle', 'autofire'); break;
            case global.KEY_OVER_RIDE:    this.parent.socket.emit('toggle', 'override'); break;
            }
            if (global.canSkill) {
                switch (event.keyCode) {
                case global.KEY_UPGRADE_ATK:  this.parent.socket.emit('skillChange', 'atk'); break;
                case global.KEY_UPGRADE_HTL:  this.parent.socket.emit('skillChange', 'hlt'); break;
                case global.KEY_UPGRADE_SPD:  this.parent.socket.emit('skillChange', 'spd'); break;
                case global.KEY_UPGRADE_STR:  this.parent.socket.emit('skillChange', 'str'); break;
                case global.KEY_UPGRADE_PEN:  this.parent.socket.emit('skillChange', 'pen'); break;
                case global.KEY_UPGRADE_DAM:  this.parent.socket.emit('skillChange', 'dam'); break;
                case global.KEY_UPGRADE_RLD:  this.parent.socket.emit('skillChange', 'rld'); break;
                case global.KEY_UPGRADE_MOB:  this.parent.socket.emit('skillChange', 'mob'); break;
                case global.KEY_UPGRADE_RGN:  this.parent.socket.emit('skillChange', 'rgn'); break;
                case global.KEY_UPGRADE_SHI:  this.parent.socket.emit('skillChange', 'shi'); break;
                }
            }
            if (global.canUpgrade) {
                switch (event.keyCode) {
                case global.KEY_CHOOSE_1:  this.parent.socket.emit('upgrade', 0); break;
                case global.KEY_CHOOSE_2:  this.parent.socket.emit('upgrade', 1); break;
                case global.KEY_CHOOSE_3:  this.parent.socket.emit('upgrade', 2); break;
                case global.KEY_CHOOSE_4:  this.parent.socket.emit('upgrade', 3); break;
                case global.KEY_CHOOSE_5:  this.parent.socket.emit('upgrade', 4); break;
                case global.KEY_CHOOSE_6:  this.parent.socket.emit('upgrade', 5); break;
                case global.KEY_CHOOSE_7:  this.parent.socket.emit('upgrade', 6); break;
                case global.KEY_CHOOSE_8:  this.parent.socket.emit('upgrade', 7); break;
                }
            }
        }
    }
    keyboardUp(event) {
        switch (event.keyCode) {
        case global.KEY_UP_ARROW:
        case global.KEY_UP:     this.parent.socket.emit('command', 'up', false); break;
        case global.KEY_DOWN_ARROW:
        case global.KEY_DOWN:   this.parent.socket.emit('command', 'down', false); break;
        case global.KEY_LEFT_ARROW:
        case global.KEY_LEFT:   this.parent.socket.emit('command', 'left', false); break;
        case global.KEY_RIGHT_ARROW:
        case global.KEY_RIGHT:  this.parent.socket.emit('command', 'right', false); break;
        }
    }
    mouseDown(event) {
        switch (event.button) {
        case 0: this.parent.socket.emit('command', 'lmb', true); break;
        case 1: this.parent.socket.emit('command', 'mmb', true); break;
        case 2: this.parent.socket.emit('command', 'rmb', true); break;
        }
    }
    mouseUp(event) {
        switch (event.button) {
        case 0: this.parent.socket.emit('command', 'lmb', false); break;
        case 1: this.parent.socket.emit('command', 'mmb', false); break;
        case 2: this.parent.socket.emit('command', 'rmb', false); break;
        }
    }

    // Mouse location (we send target information in the heartbeat)
    gameInput(mouse) {
        this.parent.target.x = mouse.clientX - this.width / 2;
        this.parent.target.y = mouse.clientY - this.height / 2;
        global.target = this.parent.target;
    }
}

module.exports = Canvas;