You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.4 KiB
102 lines
2.4 KiB
import { globalConfig } from "../core/config";
|
|
import { DrawParameters } from "../core/draw_parameters";
|
|
import { BasicSerializableObject } from "../savegame/serialization";
|
|
|
|
/**
|
|
* Class for items on belts etc. Not an entity for performance reasons
|
|
*/
|
|
export class BaseItem extends BasicSerializableObject {
|
|
constructor() {
|
|
super();
|
|
this._type = this.getItemType();
|
|
}
|
|
|
|
static getId() {
|
|
return "base_item";
|
|
}
|
|
|
|
/** @returns {import("../savegame/serialization").Schema} */
|
|
static getSchema() {
|
|
return {};
|
|
}
|
|
|
|
/** @returns {ItemType} **/
|
|
getItemType() {
|
|
abstract;
|
|
return "shape";
|
|
}
|
|
|
|
/**
|
|
* Returns a string id of the item
|
|
* @returns {string}
|
|
* @abstract
|
|
*/
|
|
getAsCopyableKey() {
|
|
abstract;
|
|
return "";
|
|
}
|
|
|
|
/**
|
|
* Returns if the item equals the other itme
|
|
* @param {BaseItem} other
|
|
* @returns {boolean}
|
|
*/
|
|
equals(other) {
|
|
if (this.getItemType() !== other.getItemType()) {
|
|
return false;
|
|
}
|
|
return this.equalsImpl(other);
|
|
}
|
|
|
|
/**
|
|
* Override for custom comparison
|
|
* @param {BaseItem} other
|
|
* @returns {boolean}
|
|
* @abstract
|
|
*/
|
|
equalsImpl(other) {
|
|
abstract;
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Draws the item to a canvas
|
|
* @param {CanvasRenderingContext2D} context
|
|
* @param {number} size
|
|
* @abstract
|
|
*/
|
|
drawFullSizeOnCanvas(context, size) {
|
|
abstract;
|
|
}
|
|
|
|
/**
|
|
* Draws the item at the given position
|
|
* @param {number} x
|
|
* @param {number} y
|
|
* @param {DrawParameters} parameters
|
|
* @param {number=} diameter
|
|
*/
|
|
drawItemCenteredClipped(x, y, parameters, diameter = globalConfig.defaultItemDiameter) {
|
|
if (parameters.visibleRect.containsCircle(x, y, diameter / 2)) {
|
|
this.drawItemCenteredImpl(x, y, parameters, diameter);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* INTERNAL
|
|
* @param {number} x
|
|
* @param {number} y
|
|
* @param {DrawParameters} parameters
|
|
* @param {number=} diameter
|
|
* @abstract
|
|
*/
|
|
drawItemCenteredImpl(x, y, parameters, diameter = globalConfig.defaultItemDiameter) {
|
|
abstract;
|
|
}
|
|
|
|
getBackgroundColorAsResource() {
|
|
abstract;
|
|
return "";
|
|
}
|
|
}
|