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Copy pathboard.js
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226 lines (226 loc) · 8.06 KB
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define(["require", "exports", "./base", "./layer", "./util", "./view"], function (require, exports, base_1, layer_1, util_1, view_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.COL_LABELS = base_1.COL_LABELS;
class Board extends view_1.View {
constructor(parent, position, layers) {
super();
this.position = position;
this.stones = [];
this.layers = [];
if (typeof (parent) == 'string') {
parent = util_1.getElement(parent);
}
this.elem = parent;
this.backgroundColor = '#db6';
let canvas = document.createElement('canvas');
this.ctx = canvas.getContext('2d');
parent.appendChild(canvas);
window.addEventListener('resize', () => {
this.resizeCanvas();
this.draw();
});
this.resizeCanvas();
this.addLayer(new layer_1.Grid());
this.addLayers(layers);
}
resizeCanvas() {
let pr = util_1.pixelRatio();
let canvas = this.ctx.canvas;
let parent = canvas.parentElement;
canvas.width = pr * (parent.offsetWidth);
canvas.height = pr * (parent.offsetHeight);
canvas.style.width = `${parent.offsetWidth}px`;
canvas.style.height = `${parent.offsetHeight}px`;
this.pointW = this.ctx.canvas.width / (base_1.N + 1);
this.pointH = this.ctx.canvas.height / (base_1.N + 1);
this.stoneRadius = 0.96 * Math.min(this.pointW, this.pointH) / 2;
}
newGame(rootPosition) {
this.position = rootPosition;
for (let layer of this.layers) {
layer.clear();
}
this.draw();
}
addLayer(layer) {
this.layers.push(layer);
layer.addToBoard(this);
}
addLayers(layers) {
for (let layer of layers) {
this.addLayer(layer);
}
}
setPosition(position) {
if (this.position == position) {
return;
}
this.position = position;
let allProps = new Set(Object.keys(position));
for (let layer of this.layers) {
layer.update(allProps);
}
this.draw();
}
update(update) {
let anythingChanged = false;
let keys = new Set(Object.keys(update));
for (let layer of this.layers) {
if (layer.update(keys)) {
anythingChanged = true;
}
}
if (anythingChanged) {
this.draw();
}
}
drawImpl() {
let ctx = this.ctx;
ctx.fillStyle = this.backgroundColor;
ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
for (let layer of this.layers) {
if (layer.show) {
layer.draw();
}
}
}
getStone(p) {
return this.position.stones[p.row * base_1.N + p.col];
}
canvasToBoard(x, y, threshold) {
let pr = util_1.pixelRatio();
x *= pr;
y *= pr;
let canvas = this.ctx.canvas;
y = y * (base_1.N + 1) / canvas.height - 0.5;
x = x * (base_1.N + 1) / canvas.width - 0.5;
let row = Math.floor(y);
let col = Math.floor(x);
if (row < 0 || row >= base_1.N || col < 0 || col >= base_1.N) {
return null;
}
if (threshold) {
let fx = 0.5 - (x - col);
let fy = 0.5 - (y - row);
let disSqr = fx * fx + fy * fy;
if (disSqr > threshold * threshold) {
return null;
}
}
return { row: row, col: col };
}
boardToCanvas(row, col) {
let canvas = this.ctx.canvas;
return {
x: canvas.width * (col + 1.0) / (base_1.N + 1),
y: canvas.height * (row + 1.0) / (base_1.N + 1)
};
}
drawStones(ps, color, alpha) {
if (ps.length == 0) {
return;
}
let ctx = this.ctx;
let pr = util_1.pixelRatio();
if (alpha == 1) {
ctx.shadowBlur = 4 * pr;
ctx.shadowOffsetX = 1.5 * pr;
ctx.shadowOffsetY = 1.5 * pr;
ctx.shadowColor = `rgba(0, 0, 0, ${color == base_1.Color.Black ? 0.4 : 0.3})`;
}
ctx.fillStyle = this.stoneFill(color, alpha);
let r = this.stoneRadius;
for (let p of ps) {
let c = this.boardToCanvas(p.row, p.col);
ctx.beginPath();
ctx.translate(c.x + 0.5, c.y + 0.5);
ctx.arc(0, 0, r, 0, 2 * Math.PI);
ctx.fill();
ctx.setTransform(1, 0, 0, 1, 0, 0);
}
if (alpha == 1) {
ctx.shadowColor = 'rgba(0, 0, 0, 0)';
}
}
stoneFill(color, alpha) {
let grad;
if (color == base_1.Color.Black) {
let ofs = -0.5 * this.stoneRadius;
grad = this.ctx.createRadialGradient(ofs, ofs, 0, ofs, ofs, 2 * this.stoneRadius);
grad.addColorStop(0, `rgba(68, 68, 68, ${alpha})`);
grad.addColorStop(1, `rgba(16, 16, 16, ${alpha})`);
}
else if (color == base_1.Color.White) {
let ofs = -0.2 * this.stoneRadius;
grad = this.ctx.createRadialGradient(ofs, ofs, 0, ofs, ofs, 1.2 * this.stoneRadius);
grad.addColorStop(0.4, `rgba(255, 255, 255, ${alpha})`);
grad.addColorStop(1, `rgba(204, 204, 204, ${alpha})`);
}
else {
throw new Error(`Invalid color ${color}`);
}
return grad;
}
}
exports.Board = Board;
class ClickableBoard extends Board {
constructor(parent, position, layerDescs) {
super(parent, position, layerDescs);
this.enabled = false;
this.listeners = [];
this.ctx.canvas.addEventListener('mousemove', (e) => {
let p = this.canvasToBoard(e.offsetX, e.offsetY, 0.45);
if (p != null && this.getStone(p) != base_1.Color.Empty) {
p = null;
}
let changed;
if (p != null) {
changed = this.p == null || this.p.row != p.row || this.p.col != p.col;
}
else {
changed = this.p != null;
}
if (changed) {
this.p = p;
this.draw();
}
});
this.ctx.canvas.addEventListener('mouseleave', (e) => {
if (this.p != null) {
this.p = null;
this.draw();
}
});
this.ctx.canvas.addEventListener('click', (e) => {
if (!this.p || !this.enabled) {
return;
}
for (let listener of this.listeners) {
listener(this.p);
}
this.p = null;
this.draw();
});
}
onClick(cb) {
this.listeners.push(cb);
}
setPosition(position) {
if (position != this.position) {
this.p = null;
super.setPosition(position);
}
}
drawImpl() {
super.drawImpl();
let p = this.enabled ? this.p : null;
this.ctx.canvas.style.cursor = p ? 'pointer' : null;
if (p) {
this.drawStones([p], this.position.toPlay, 0.6);
}
}
}
exports.ClickableBoard = ClickableBoard;
});
//# sourceMappingURL=board.js.map