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98 lines
3.4 KiB
98 lines
3.4 KiB
import { globalConfig } from "../../core/config";
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import { Loader } from "../../core/loader";
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import { BaseItem } from "../base_item";
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import { enumColors } from "../colors";
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import { DisplayComponent } from "../components/display";
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import { GameSystemWithFilter } from "../game_system_with_filter";
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import { isTrueItem } from "../items/boolean_item";
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import { ColorItem, COLOR_ITEM_SINGLETONS } from "../items/color_item";
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import { MapChunkView } from "../map_chunk_view";
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export class DisplaySystem extends GameSystemWithFilter {
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constructor(root) {
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super(root, [DisplayComponent]);
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/** @type {Object<string, import("../../core/draw_utils").AtlasSprite>} */
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this.displaySprites = {};
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for (const colorId in enumColors) {
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if (colorId === enumColors.uncolored) {
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continue;
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}
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this.displaySprites[colorId] = Loader.getSprite("sprites/wires/display/" + colorId + ".png");
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}
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}
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/**
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* Returns the color / value a display should show
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* @param {BaseItem} value
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* @returns {BaseItem}
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*/
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getDisplayItem(value) {
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if (!value) {
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return null;
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}
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switch (value.getItemType()) {
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case "boolean": {
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return isTrueItem(value) ? COLOR_ITEM_SINGLETONS[enumColors.white] : null;
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}
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case "color": {
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const item = /**@type {ColorItem} */ (value);
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return item.color === enumColors.uncolored ? null : item;
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}
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case "shape": {
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return value;
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}
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default:
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assertAlways(false, "Unknown item type: " + value.getItemType());
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}
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}
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/**
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* Draws a given chunk
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* @param {import("../../core/draw_utils").DrawParameters} parameters
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* @param {MapChunkView} chunk
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*/
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drawChunk(parameters, chunk) {
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const contents = chunk.containedEntitiesByLayer.regular;
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for (let i = 0; i < contents.length; ++i) {
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const entity = contents[i];
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if (entity && entity.components.Display) {
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const pinsComp = entity.components.WiredPins;
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const network = pinsComp.slots[0].linkedNetwork;
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if (!network || !network.hasValue()) {
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continue;
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}
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const value = this.getDisplayItem(network.currentValue);
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if (!value) {
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continue;
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}
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const origin = entity.components.StaticMapEntity.origin;
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if (value.getItemType() === "color") {
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this.displaySprites[/** @type {ColorItem} */ (value).color].drawCachedCentered(
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parameters,
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(origin.x + 0.5) * globalConfig.tileSize,
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(origin.y + 0.5) * globalConfig.tileSize,
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globalConfig.tileSize
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);
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} else if (value.getItemType() === "shape") {
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value.drawItemCenteredClipped(
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(origin.x + 0.5) * globalConfig.tileSize,
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(origin.y + 0.5) * globalConfig.tileSize,
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parameters,
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30
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);
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}
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}
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}
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}
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}
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