Files
GameStarter/src/js/net/minecraft/client/render/gui/ScreenRenderer.js
T
2022-06-18 07:13:54 +02:00

72 lines
2.1 KiB
JavaScript

export default class ScreenRenderer {
constructor(minecraft, window) {
this.minecraft = minecraft;
this.window = window;
}
initialize() {
let scale = this.getLimitedScaleFactor();
// Update camera size
this.window.canvas.width = this.window.width * scale;
this.window.canvas.height = this.window.height * scale;
// Get context stack of 2d canvas
this.stack2d = this.window.canvas.getContext('2d');
this.stack2d.webkitImageSmoothingEnabled = false;
this.stack2d.mozImageSmoothingEnabled = false;
this.stack2d.imageSmoothingEnabled = false;
}
render(partialTicks) {
let scale = this.getLimitedScaleFactor();
let mouseX = this.minecraft.window.mouseX;
let mouseY = this.minecraft.window.mouseY;
this.stack2d.save();
// Draw world to canvas
if (this.minecraft.isInGame()) {
this.stack2d.drawImage(this.window.canvasWorld, 0, 0, this.window.width * scale, this.window.height * scale);
} else {
this.reset();
}
// Scale GUI
this.stack2d.scale(scale, scale, scale);
try {
// Render in-game overlay
if (this.minecraft.isInGame() && this.minecraft.loadingScreen === null) {
this.minecraft.ingameOverlay.render(this.stack2d, mouseX, mouseY, partialTicks);
}
// Render current screen
if (this.minecraft.currentScreen !== null) {
this.minecraft.currentScreen.drawScreen(this.stack2d, mouseX, mouseY, partialTicks)
}
} catch (e) {
console.error(e);
}
// Scale GUI back
let actualScale = this.window.scaleFactor;
this.stack2d.scale(1 / actualScale, 1 / actualScale, 1 / actualScale);
// Render items
this.stack2d.drawImage(this.window.canvasItems, 0, 0);
this.stack2d.restore();
}
reset() {
this.stack2d.clearRect(0, 0, this.window.canvas.width, this.window.canvas.height);
}
getLimitedScaleFactor() {
return Math.min(this.window.scaleFactor, 4);
}
}