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tobspr_shapez.io/src/js/game/hud/parts/color_blind_helper.js

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3.8 KiB

import { BaseHUDPart } from "../base_hud_part";
import { makeDiv } from "../../../core/utils";
import { TrackedState } from "../../../core/tracked_state";
import { enumColors } from "../../colors";
import { ColorItem } from "../../items/color_item";
import { DrawParameters } from "../../../core/draw_parameters";
import { THEME } from "../../theme";
import { globalConfig } from "../../../core/config";
import { T } from "../../../translations";
export class HUDColorBlindHelper extends BaseHUDPart {
createElements(parent) {
this.belowTileIndicator = makeDiv(parent, "ingame_HUD_ColorBlindBelowTileHelper", []);
}
initialize() {
this.trackedColorBelowTile = new TrackedState(this.onColorBelowTileChanged, this);
}
/**
* Called when the color below the current tile changed
* @param {enumColors|null} color
*/
onColorBelowTileChanged(color) {
this.belowTileIndicator.classList.toggle("visible", !!color);
if (color) {
this.belowTileIndicator.innerText = T.ingame.colors[color];
}
}
/**
* Computes the color below the current tile
* @returns {enumColors}
*/
computeColorBelowTile() {
const mousePosition = this.root.app.mousePosition;
if (!mousePosition) {
// Not on screen
return null;
}
if (this.root.currentLayer !== "regular") {
// Not in regular mode
return null;
}
const worldPos = this.root.camera.screenToWorld(mousePosition);
const tile = worldPos.toTileSpace();
const contents = this.root.map.getTileContent(tile, this.root.currentLayer);
if (contents && !contents.components.Miner) {
const beltComp = contents.components.Belt;
// Check if the belt has a color item
if (beltComp) {
const item = beltComp.assignedPath.findItemAtTile(tile);
if (item && item.getItemType() === "color") {
return /** @type {ColorItem} */ (item).color;
}
}
// Check if we are ejecting an item, if so use that color
const ejectorComp = contents.components.ItemEjector;
if (ejectorComp) {
for (let i = 0; i < ejectorComp.slots.length; ++i) {
const slot = ejectorComp.slots[i];
if (slot.item && slot.item.getItemType() === "color") {
return /** @type {ColorItem} */ (slot.item).color;
}
}
}
} else {
// We hovered a lower layer, show the color there
const lowerLayer = this.root.map.getLowerLayerContentXY(tile.x, tile.y);
if (lowerLayer && lowerLayer.getItemType() === "color") {
return /** @type {ColorItem} */ (lowerLayer).color;
}
}
return null;
}
update() {
this.trackedColorBelowTile.set(this.computeColorBelowTile());
}
/**
* Draws the currently selected tile
* @param {DrawParameters} parameters
*/
draw(parameters) {
const mousePosition = this.root.app.mousePosition;
if (!mousePosition) {
// Not on screen
return null;
}
const below = this.computeColorBelowTile();
if (below) {
// We have something below our tile
const worldPos = this.root.camera.screenToWorld(mousePosition);
const tile = worldPos.toTileSpace().toWorldSpace();
parameters.context.strokeStyle = THEME.map.colorBlindPickerTile;
parameters.context.lineWidth = 1;
parameters.context.beginPath();
parameters.context.rect(tile.x, tile.y, globalConfig.tileSize, globalConfig.tileSize);
parameters.context.stroke();
}
}
}