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SandGame.js
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SandGame.js
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// Sand Game JS; Patrik Harag, https://harag.cz; all rights reserved
import Counter from "./Counter.js";
import DeterministicRandom from "./DeterministicRandom.js";
import Element from "./Element.js";
import ElementHead from "./ElementHead.js";
import ElementTail from "./ElementTail.js";
import ElementArea from "./ElementArea.js";
import EntityManager from "./entity/EntityManager";
import Processor from "./processing/Processor.js";
import Renderer from "./rendering/Renderer.js";
import RendererInitializer from "./rendering/RendererInitializer.js";
import SandGameGraphics from "./SandGameGraphics.js";
import SandGameEntities from "./SandGameEntities";
import SandGameOverlay from "./SandGameOverlay";
import SandGameScenario from "./SandGameScenario";
import GameState from "./GameState";
import Snapshot from "./Snapshot.js";
import SnapshotMetadata from "./SnapshotMetadata.js";
import TemplateBlockPainter from "./TemplateBlockPainter.js";
import TemplateLayeredPainter from "./TemplateLayeredPainter.js";
/**
*
* @author Patrik Harag
* @version 2024-05-04
*/
export default class SandGame {
/** @type ElementArea */
#elementArea;
/** @type number */
#width;
/** @type number */
#height;
/** @type EntityManager */
#entityManager;
/** @type DeterministicRandom */
#random;
/** @type Counter */
#framesCounter;
/** @type Counter */
#iterationsCounter;
/** @type Processor */
#processor;
/** @type Renderer */
#renderer;
/** @type number|null */
#processorIntervalHandle = null;
/** @type number|null */
#rendererIntervalHandle = null;
/** @type function[] */
#onRendered = [];
/** @type function[] */
#onRenderingFailed = [];
/** @type function(number)[] */
#onProcessed = [];
/** @type SandGameGraphics */
#graphics;
/** @type SandGameEntities */
#entities;
/** @type SandGameOverlay */
#overlay;
/** @type SandGameScenario */
#scenario;
/**
*
* @param elementArea {ElementArea}
* @param serializedEntities {object[]}
* @param sceneMetadata {SnapshotMetadata|null}
* @param gameDefaults {GameDefaults}
* @param context {CanvasRenderingContext2D|WebGLRenderingContext}
* @param rendererInitializer {RendererInitializer}
*/
constructor(elementArea, serializedEntities, sceneMetadata, gameDefaults,
context, rendererInitializer) {
this.#random = new DeterministicRandom((sceneMetadata) ? sceneMetadata.random : 0);
this.#elementArea = elementArea;
this.#width = elementArea.getWidth();
this.#height = elementArea.getHeight();
this.#framesCounter = new Counter();
this.#iterationsCounter = new Counter();
this.#processor = new Processor(this.#elementArea, 16, this.#random, gameDefaults, sceneMetadata);
this.#renderer = rendererInitializer.initialize(this.#elementArea, 16, context);
this.#entityManager = new EntityManager(serializedEntities, new GameState(elementArea, this.#random, this.#processor, null));
const triggerFunction = (x, y) => {
this.#processor.trigger(x, y);
this.#renderer.trigger(x, y);
};
this.#entities = new SandGameEntities(elementArea.getWidth(), elementArea.getHeight(), this.#entityManager, triggerFunction);
this.#graphics = new SandGameGraphics(this.#elementArea, this.#entities, this.#random, gameDefaults, triggerFunction);
this.#overlay = new SandGameOverlay(elementArea.getWidth(), elementArea.getHeight());
this.#scenario = new SandGameScenario();
this.#initExtensions(gameDefaults);
this.#initObjectives();
}
#initObjectives() {
let activeObjectives = [];
const updateActiveObjectives = () => {
activeObjectives = this.#scenario.getObjectives().filter(o => {
return o.isActive() && (typeof o.getConfig().checkHandler === 'function');
});
};
this.#scenario.addOnObjectiveAdded(objective => {
updateActiveObjectives();
objective.addOnActiveChanged(() => updateActiveObjectives());
objective.addOnCompleted(() => updateActiveObjectives());
});
this.#onProcessed.push(() => {
for (let objective of activeObjectives) {
objective.getConfig().checkHandler(this.#processor.getIteration() - 1);
}
});
}
#initExtensions(gameDefaults) {
const gameState = new GameState(this.#elementArea, this.#random, this.#processor, this.#entityManager);
const extensionsFactory = gameDefaults.getExtensionsFactory();
const extensions = extensionsFactory(gameState);
for (const extension of extensions) {
this.#processor.addExtension(extension);
}
}
getBrushCollection() {
return this.#processor.getDefaults().getBrushCollection();
}
startProcessing() {
if (this.#processorIntervalHandle === null) {
const interval = Math.trunc(1000 / Processor.OPT_CYCLES_PER_SECOND); // ms
this.#processorIntervalHandle = setInterval(() => this.doProcessing(), interval);
}
}
startRendering() {
if (this.#rendererIntervalHandle === null) {
const interval = Math.trunc(1000 / Processor.OPT_FRAMES_PER_SECOND); // ms
this.#rendererIntervalHandle = setInterval(() => this.doRendering(), interval);
}
}
stopProcessing() {
if (this.#processorIntervalHandle !== null) {
clearInterval(this.#processorIntervalHandle);
this.#processorIntervalHandle = null;
}
this.#iterationsCounter.clear();
}
stopRendering() {
if (this.#rendererIntervalHandle !== null) {
clearInterval(this.#rendererIntervalHandle);
this.#rendererIntervalHandle = null;
}
this.#framesCounter.clear();
}
doProcessing() {
// TODO: error reporting
this.#entityManager.performBeforeProcessing();
this.#processor.next();
this.#entityManager.performAfterProcessing();
const t = Date.now();
this.#iterationsCounter.tick(t);
for (let func of this.#onProcessed) {
func(this.#processor.getIteration());
}
}
doRendering() {
const changedChunks = this.#processor.getChangedChunks();
try {
this.#renderer.render(changedChunks);
} catch (e) {
this.stopRendering();
for (let func of this.#onRenderingFailed) {
func(e);
}
return;
}
const t = Date.now();
this.#framesCounter.tick(t);
for (let func of this.#onRendered) {
func(changedChunks);
}
this.#processor.cleanChangedChunks();
}
/**
*
* @returns {SandGameGraphics}
*/
graphics() {
return this.#graphics;
}
/**
*
* @returns {SandGameEntities}
*/
entities() {
return this.#entities;
}
/**
*
* @returns {SandGameOverlay}
*/
overlay() {
return this.#overlay;
}
/**
*
* @returns {SandGameScenario}
*/
scenario() {
return this.#scenario;
}
/**
*
* @returns {TemplateBlockPainter}
*/
blockTemplate() {
return new TemplateBlockPainter(this.graphics());
}
/**
*
* @returns {TemplateLayeredPainter}
*/
layeredTemplate() {
return new TemplateLayeredPainter(this.#elementArea, this.graphics(), this.#random, this.#processor);
}
setBoxedMode() {
this.#processor.setFallThroughEnabled(false);
this.#processor.setErasingEnabled(false);
}
setFallThroughMode() {
this.#processor.setFallThroughEnabled(true);
this.#processor.setErasingEnabled(false);
}
setErasingMode() {
this.#processor.setFallThroughEnabled(false);
this.#processor.setErasingEnabled(true);
}
/**
*
* @param handler {function(iteration:number)}
*/
addOnProcessed(handler) {
this.#onProcessed.push(handler);
}
addOnRendered(handler) {
this.#onRendered.push(handler);
}
addOnRenderingFailed(handler) {
this.#onRenderingFailed.push(handler);
}
getFramesPerSecond() {
return this.#framesCounter.getValue();
}
getIterationsPerSecond() {
return this.#iterationsCounter.getValue();
}
getWidth() {
return this.#width;
}
getHeight() {
return this.#height;
}
getChunkSize() {
return 16;
}
/**
* @returns {Snapshot}
*/
createSnapshot() {
let metadata = new SnapshotMetadata();
metadata.formatVersion = SnapshotMetadata.CURRENT_FORMAT_VERSION;
metadata.created = new Date().getTime();
metadata.width = this.#width;
metadata.height = this.#height;
metadata.random = this.#random.getState();
metadata.iteration = this.#processor.getIteration();
metadata.fallThroughEnabled = this.#processor.isFallThroughEnabled();
metadata.erasingEnabled = this.#processor.isErasingEnabled();
let snapshot = new Snapshot();
snapshot.metadata = metadata;
snapshot.dataHeads = this.#elementArea.getDataHeads();
snapshot.dataTails = this.#elementArea.getDataTails();
snapshot.serializedEntities = this.#entityManager.serializeEntities();
return snapshot;
}
debugElementAt(x, y) {
if (!this.#elementArea.isValidPosition(x, y)) {
return 'Out of bounds';
}
const elementHead = this.#elementArea.getElementHead(x, y);
const elementTail = this.#elementArea.getElementTail(x, y);
function toHex(n) {
let t = n.toString(16).padStart(8, '0');
return '0x' + t;
}
let hex = toHex(elementHead) + ' ' + toHex(elementTail);
const json = {
type: {
class: ElementHead.getTypeClass(elementHead),
},
behaviour: {
type: ElementHead.getBehaviour(elementHead),
special: ElementHead.getSpecial(elementHead)
},
heatModIndex: ElementHead.getHeatModIndex(elementHead),
temperature: ElementHead.getTemperature(elementHead),
color: [
ElementTail.getColorRed(elementTail),
ElementTail.getColorGreen(elementTail),
ElementTail.getColorBlue(elementTail)
],
blurType: ElementTail.getBlurType(elementTail),
burntLevel: ElementTail.getBurntLevel(elementTail),
heatEffect: ElementTail.getHeatEffect(elementTail)
};
if (json.type.class === ElementHead.TYPE_STATIC) {
json.type.neighbourhood = ElementHead.getTypeModifierSolidNeighbourhoodType(elementHead);
json.type.body = ElementHead.getTypeModifierSolidBodyId(elementHead);
}
let structure = JSON.stringify(json)
.replaceAll('"', '')
.replaceAll(',', ', ')
.replaceAll(':', '=');
structure = structure.substring(1, structure.length - 1); // remove {}
return hex + '\n' + structure;
}
}