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Copy pathBlockFactory.ts
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55 lines (50 loc) · 1.88 KB
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import { AirBlock } from "./AirBlock";
import { BedrockBlock } from "./BedrockBlock";
import { Block } from "./Block";
import { CoalOreBlock } from "./CoalOreBlock";
import { DirtBlock } from "./DirtBlock";
import { FlowerDandelionBlock } from "./FlowerDandelionBlock";
import { FlowerRoseBlock } from "./FlowerRoseBlock";
import { GrassBlock } from "./GrassBlock";
import { IronOreBlock } from "./IronOreBlock";
import { LeavesBlock } from "./LeavesBlock";
import { OakLogBlock } from "./OakLogBlock";
import { RedstoneLampBlock } from "./RedstoneLampBlock";
import { StoneBlock } from "./StoneBlock";
import { StoneBrickBlock } from "./StoneBrickBlock";
import { TallGrassBlock } from "./TallGrassBlock";
import { BlockID } from ".";
// Flyweight pattern to avoid creating new block instances
export class BlockFactory {
private static blockTypes: { [id: number]: any } = {
[BlockID.Air]: AirBlock,
[BlockID.Grass]: GrassBlock,
[BlockID.Stone]: StoneBlock,
[BlockID.Dirt]: DirtBlock,
[BlockID.Bedrock]: BedrockBlock,
[BlockID.CoalOre]: CoalOreBlock,
[BlockID.IronOre]: IronOreBlock,
[BlockID.OakLog]: OakLogBlock,
[BlockID.Leaves]: LeavesBlock,
[BlockID.TallGrass]: TallGrassBlock,
[BlockID.FlowerRose]: FlowerRoseBlock,
[BlockID.FlowerDandelion]: FlowerDandelionBlock,
[BlockID.RedstoneLamp]: RedstoneLampBlock,
[BlockID.StoneBrick]: StoneBrickBlock,
};
private static blockInstances: { [id: number]: Block } = {};
static getBlock(id: BlockID): Block {
if (!this.blockInstances[id]) {
const BlockType = this.blockTypes[id];
if (BlockType) {
this.blockInstances[id] = new BlockType();
} else {
throw new Error(`No block type registered for ID ${id}`);
}
}
return this.blockInstances[id];
}
static getAllBlocks(): Block[] {
return Object.keys(this.blockTypes).map((id) => this.getBlock(+id));
}
}