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724 lines
26 KiB
724 lines
26 KiB
import { Math_abs, Math_degrees, Math_radians } from "../../../core/builtins";
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import { globalConfig } from "../../../core/config";
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import { DrawParameters } from "../../../core/draw_parameters";
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import { drawRotatedSprite } from "../../../core/draw_utils";
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import { Loader } from "../../../core/loader";
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import { STOP_PROPAGATION } from "../../../core/signal";
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import { TrackedState } from "../../../core/tracked_state";
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import { makeDiv, removeAllChildren } from "../../../core/utils";
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import {
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enumDirectionToAngle,
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enumDirectionToVector,
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enumInvertedDirections,
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Vector,
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} from "../../../core/vector";
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import { enumMouseButton } from "../../camera";
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import { StaticMapEntityComponent } from "../../components/static_map_entity";
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import { Entity } from "../../entity";
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import { defaultBuildingVariant, MetaBuilding } from "../../meta_building";
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import { BaseHUDPart } from "../base_hud_part";
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import { DynamicDomAttach } from "../dynamic_dom_attach";
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import { T } from "../../../translations";
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import { KEYMAPPINGS } from "../../key_action_mapper";
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export class HUDBuildingPlacer extends BaseHUDPart {
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initialize() {
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/** @type {TypedTrackedState<MetaBuilding?>} */
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this.currentMetaBuilding = new TrackedState(this.onSelectedMetaBuildingChanged, this);
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this.currentBaseRotation = 0;
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/** @type {Entity} */
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this.fakeEntity = null;
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const keyActionMapper = this.root.keyMapper;
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keyActionMapper
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.getBinding(KEYMAPPINGS.placement.abortBuildingPlacement)
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.add(this.abortPlacement, this);
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keyActionMapper.getBinding(KEYMAPPINGS.general.back).add(this.abortPlacement, this);
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keyActionMapper.getBinding(KEYMAPPINGS.placement.rotateWhilePlacing).add(this.tryRotate, this);
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keyActionMapper.getBinding(KEYMAPPINGS.placement.cycleBuildingVariants).add(this.cycleVariants, this);
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this.root.hud.signals.buildingsSelectedForCopy.add(this.abortPlacement, this);
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this.domAttach = new DynamicDomAttach(this.root, this.element, {});
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this.root.camera.downPreHandler.add(this.onMouseDown, this);
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this.root.camera.movePreHandler.add(this.onMouseMove, this);
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this.root.camera.upPostHandler.add(this.abortDragging, this);
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this.currentlyDragging = false;
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this.currentVariant = new TrackedState(this.rerenderVariants, this);
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this.variantsAttach = new DynamicDomAttach(this.root, this.variantsElement, {});
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/**
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* Whether we are currently drag-deleting
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*/
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this.currentlyDeleting = false;
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/**
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* Stores which variants for each building we prefer, this is based on what
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* the user last selected
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*/
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this.preferredVariants = {};
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/**
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* The tile we last dragged onto
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* @type {Vector}
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* */
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this.lastDragTile = null;
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/**
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* The tile we initially dragged from
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* @type {Vector}
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*/
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this.initialDragTile = null;
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this.root.signals.storyGoalCompleted.add(this.rerenderVariants, this);
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this.root.signals.upgradePurchased.add(this.rerenderVariants, this);
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}
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createElements(parent) {
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this.element = makeDiv(parent, "ingame_HUD_PlacementHints", [], ``);
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this.buildingInfoElements = {};
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this.buildingInfoElements.label = makeDiv(this.element, null, ["buildingLabel"], "Extract");
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this.buildingInfoElements.desc = makeDiv(this.element, null, ["description"], "");
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this.buildingInfoElements.descText = makeDiv(this.buildingInfoElements.desc, null, ["text"], "");
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this.buildingInfoElements.additionalInfo = makeDiv(
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this.buildingInfoElements.desc,
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null,
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["additionalInfo"],
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""
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);
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this.buildingInfoElements.hotkey = makeDiv(this.buildingInfoElements.desc, null, ["hotkey"], "");
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this.buildingInfoElements.tutorialImage = makeDiv(this.element, null, ["buildingImage"]);
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this.variantsElement = makeDiv(parent, "ingame_HUD_PlacerVariants");
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}
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abortPlacement() {
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if (this.currentMetaBuilding.get()) {
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this.currentMetaBuilding.set(null);
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return STOP_PROPAGATION;
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}
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}
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/**
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* mouse down pre handler
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* @param {Vector} pos
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* @param {enumMouseButton} button
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*/
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onMouseDown(pos, button) {
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if (this.root.camera.getIsMapOverlayActive()) {
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return;
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}
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// Placement
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if (button === enumMouseButton.left && this.currentMetaBuilding.get()) {
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this.currentlyDragging = true;
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this.currentlyDeleting = false;
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this.lastDragTile = this.root.camera.screenToWorld(pos).toTileSpace();
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// Place initial building
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this.tryPlaceCurrentBuildingAt(this.lastDragTile);
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return STOP_PROPAGATION;
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}
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// Deletion
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if (button === enumMouseButton.right && !this.currentMetaBuilding.get()) {
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this.currentlyDragging = true;
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this.currentlyDeleting = true;
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this.lastDragTile = this.root.camera.screenToWorld(pos).toTileSpace();
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this.currentMetaBuilding.set(null);
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return STOP_PROPAGATION;
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}
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}
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/**
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* mouse move pre handler
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* @param {Vector} pos
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*/
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onMouseMove(pos) {
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if (this.root.camera.getIsMapOverlayActive()) {
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return;
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}
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const metaBuilding = this.currentMetaBuilding.get();
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if ((metaBuilding || this.currentlyDeleting) && this.lastDragTile) {
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const oldPos = this.lastDragTile;
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const newPos = this.root.camera.screenToWorld(pos).toTileSpace();
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if (this.root.camera.desiredCenter) {
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// Camera is moving
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this.lastDragTile = newPos;
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return;
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}
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if (!oldPos.equals(newPos)) {
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if (
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metaBuilding &&
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metaBuilding.getRotateAutomaticallyWhilePlacing(this.currentVariant.get()) &&
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!this.root.app.inputMgr.ctrlIsDown
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) {
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const delta = newPos.sub(oldPos);
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const angleDeg = Math_degrees(delta.angle());
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this.currentBaseRotation = (Math.round(angleDeg / 90) * 90 + 360) % 360;
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// Holding alt inverts the placement
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if (this.root.app.inputMgr.altIsDown) {
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this.currentBaseRotation = (180 + this.currentBaseRotation) % 360;
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}
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}
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// - Using bresenhams algorithmus
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let x0 = oldPos.x;
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let y0 = oldPos.y;
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let x1 = newPos.x;
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let y1 = newPos.y;
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var dx = Math_abs(x1 - x0);
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var dy = Math_abs(y1 - y0);
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var sx = x0 < x1 ? 1 : -1;
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var sy = y0 < y1 ? 1 : -1;
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var err = dx - dy;
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while (this.currentlyDeleting || this.currentMetaBuilding.get()) {
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if (this.currentlyDeleting) {
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const contents = this.root.map.getTileContentXY(x0, y0);
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if (contents && !contents.queuedForDestroy && !contents.destroyed) {
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this.root.logic.tryDeleteBuilding(contents);
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}
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} else {
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this.tryPlaceCurrentBuildingAt(new Vector(x0, y0));
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}
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if (x0 === x1 && y0 === y1) break;
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var e2 = 2 * err;
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if (e2 > -dy) {
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err -= dy;
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x0 += sx;
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}
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if (e2 < dx) {
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err += dx;
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y0 += sy;
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}
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}
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}
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this.lastDragTile = newPos;
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return STOP_PROPAGATION;
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}
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}
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update() {
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// ALways update since the camera might have moved
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const mousePos = this.root.app.mousePosition;
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if (mousePos) {
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this.onMouseMove(mousePos);
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}
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}
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/**
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* aborts any dragging op
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*/
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abortDragging() {
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this.currentlyDragging = true;
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this.currentlyDeleting = false;
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this.lastDragTile = null;
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}
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/**
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*
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* @param {MetaBuilding} metaBuilding
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*/
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startSelection(metaBuilding) {
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this.currentMetaBuilding.set(metaBuilding);
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}
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/**
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* @param {MetaBuilding} metaBuilding
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*/
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onSelectedMetaBuildingChanged(metaBuilding) {
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this.abortDragging();
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this.root.hud.signals.selectedPlacementBuildingChanged.dispatch(metaBuilding);
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if (metaBuilding) {
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const variant = this.preferredVariants[metaBuilding.getId()] || defaultBuildingVariant;
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this.currentVariant.set(variant);
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this.fakeEntity = new Entity(null);
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metaBuilding.setupEntityComponents(this.fakeEntity, null);
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this.fakeEntity.addComponent(
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new StaticMapEntityComponent({
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origin: new Vector(0, 0),
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rotation: 0,
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tileSize: metaBuilding.getDimensions(this.currentVariant.get()).copy(),
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blueprintSpriteKey: "",
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})
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);
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metaBuilding.updateVariants(this.fakeEntity, 0, this.currentVariant.get());
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} else {
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this.fakeEntity = null;
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}
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// Since it depends on both, rerender twice
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this.rerenderVariants();
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}
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/**
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* Rerenders the building info dialog
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*/
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rerenderInfoDialog() {
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const metaBuilding = this.currentMetaBuilding.get();
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if (!metaBuilding) {
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return;
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}
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const variant = this.currentVariant.get();
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this.buildingInfoElements.label.innerHTML = T.buildings[metaBuilding.id][variant].name;
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this.buildingInfoElements.descText.innerHTML = T.buildings[metaBuilding.id][variant].description;
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const binding = this.root.keyMapper.getBinding(KEYMAPPINGS.buildings[metaBuilding.getId()]);
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this.buildingInfoElements.hotkey.innerHTML = T.ingame.buildingPlacement.hotkeyLabel.replace(
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"<key>",
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"<code class='keybinding'>" + binding.getKeyCodeString() + "</code>"
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);
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this.buildingInfoElements.tutorialImage.setAttribute(
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"data-icon",
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"building_tutorials/" +
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metaBuilding.getId() +
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(variant === defaultBuildingVariant ? "" : "-" + variant) +
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".png"
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);
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removeAllChildren(this.buildingInfoElements.additionalInfo);
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const additionalInfo = metaBuilding.getAdditionalStatistics(this.root, this.currentVariant.get());
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for (let i = 0; i < additionalInfo.length; ++i) {
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const [label, contents] = additionalInfo[i];
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this.buildingInfoElements.additionalInfo.innerHTML += `
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<label>${label}:</label>
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<span>${contents}</contents>
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`;
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}
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}
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/**
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* Rerenders the variants displayed
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*/
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rerenderVariants() {
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removeAllChildren(this.variantsElement);
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this.rerenderInfoDialog();
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const metaBuilding = this.currentMetaBuilding.get();
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if (!metaBuilding) {
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return;
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}
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const availableVariants = metaBuilding.getAvailableVariants(this.root);
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if (availableVariants.length === 1) {
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return;
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}
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makeDiv(
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this.variantsElement,
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null,
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["explanation"],
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T.ingame.buildingPlacement.cycleBuildingVariants.replace(
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"<key>",
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"<code class='keybinding'>" +
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this.root.keyMapper
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.getBinding(KEYMAPPINGS.placement.cycleBuildingVariants)
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.getKeyCodeString() +
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"</code>"
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)
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);
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const container = makeDiv(this.variantsElement, null, ["variants"]);
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for (let i = 0; i < availableVariants.length; ++i) {
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const variant = availableVariants[i];
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const element = makeDiv(container, null, ["variant"]);
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element.classList.toggle("active", variant === this.currentVariant.get());
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makeDiv(element, null, ["label"], variant);
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const iconSize = 64;
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const dimensions = metaBuilding.getDimensions(variant);
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const sprite = metaBuilding.getPreviewSprite(0, variant);
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const spriteWrapper = makeDiv(element, null, ["iconWrap"]);
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spriteWrapper.setAttribute("data-tile-w", dimensions.x);
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spriteWrapper.setAttribute("data-tile-h", dimensions.y);
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spriteWrapper.innerHTML = sprite.getAsHTML(iconSize * dimensions.x, iconSize * dimensions.y);
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}
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}
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/**
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* Cycles through the variants
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*/
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cycleVariants() {
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const metaBuilding = this.currentMetaBuilding.get();
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if (!metaBuilding) {
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this.currentVariant.set(defaultBuildingVariant);
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} else {
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const availableVariants = metaBuilding.getAvailableVariants(this.root);
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const index = availableVariants.indexOf(this.currentVariant.get());
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assert(
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index >= 0,
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"Current variant was invalid: " + this.currentVariant.get() + " out of " + availableVariants
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);
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const newIndex = (index + 1) % availableVariants.length;
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const newVariant = availableVariants[newIndex];
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this.currentVariant.set(newVariant);
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this.preferredVariants[metaBuilding.getId()] = newVariant;
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}
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}
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/**
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* Tries to rotate
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*/
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tryRotate() {
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const selectedBuilding = this.currentMetaBuilding.get();
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if (selectedBuilding) {
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this.currentBaseRotation = (this.currentBaseRotation + 90) % 360;
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const staticComp = this.fakeEntity.components.StaticMapEntity;
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staticComp.rotation = this.currentBaseRotation;
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}
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}
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/**
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* Tries to delete the building under the mouse
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*/
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deleteBelowCursor() {
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const mousePosition = this.root.app.mousePosition;
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if (!mousePosition) {
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// Not on screen
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return;
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}
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const worldPos = this.root.camera.screenToWorld(mousePosition);
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const tile = worldPos.toTileSpace();
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const contents = this.root.map.getTileContent(tile);
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if (contents) {
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this.root.logic.tryDeleteBuilding(contents);
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}
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}
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/**
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* Canvas click handler
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* @param {Vector} mousePos
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* @param {boolean} cancelAction
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*/
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onCanvasClick(mousePos, cancelAction = false) {
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if (cancelAction) {
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if (this.currentMetaBuilding.get()) {
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this.currentMetaBuilding.set(null);
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} else {
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this.deleteBelowCursor();
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}
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return STOP_PROPAGATION;
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}
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if (!this.currentMetaBuilding.get()) {
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return;
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}
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return STOP_PROPAGATION;
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}
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/**
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* Tries to place the current building at the given tile
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* @param {Vector} tile
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*/
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tryPlaceCurrentBuildingAt(tile) {
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if (this.root.camera.zoomLevel < globalConfig.mapChunkOverviewMinZoom) {
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// Dont allow placing in overview mode
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return;
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}
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// Transform to world space
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const metaBuilding = this.currentMetaBuilding.get();
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const { rotation, rotationVariant } = metaBuilding.computeOptimalDirectionAndRotationVariantAtTile(
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this.root,
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tile,
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this.currentBaseRotation,
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this.currentVariant.get()
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);
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if (
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this.root.logic.tryPlaceBuilding({
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origin: tile,
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rotation,
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rotationVariant,
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originalRotation: this.currentBaseRotation,
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building: this.currentMetaBuilding.get(),
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variant: this.currentVariant.get(),
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})
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) {
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// Succesfully placed
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if (metaBuilding.getFlipOrientationAfterPlacement() && !this.root.app.inputMgr.ctrlIsDown) {
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this.currentBaseRotation = (180 + this.currentBaseRotation) % 360;
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}
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if (
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!metaBuilding.getStayInPlacementMode() &&
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!this.root.app.inputMgr.shiftIsDown &&
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!this.root.app.settings.getAllSettings().alwaysMultiplace
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) {
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// Stop placement
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this.currentMetaBuilding.set(null);
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}
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return true;
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} else {
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return false;
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}
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}
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|
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/**
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*
|
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* @param {DrawParameters} parameters
|
|
*/
|
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draw(parameters) {
|
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if (this.root.camera.zoomLevel < globalConfig.mapChunkOverviewMinZoom) {
|
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// Dont allow placing in overview mode
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this.domAttach.update(false);
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this.variantsAttach.update(false);
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return;
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}
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this.domAttach.update(this.currentMetaBuilding.get());
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this.variantsAttach.update(this.currentMetaBuilding.get());
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const metaBuilding = this.currentMetaBuilding.get();
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if (!metaBuilding) {
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return;
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}
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|
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const mousePosition = this.root.app.mousePosition;
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if (!mousePosition) {
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// Not on screen
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return;
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}
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const worldPos = this.root.camera.screenToWorld(mousePosition);
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const tile = worldPos.toTileSpace();
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|
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// Compute best rotation variant
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const {
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rotation,
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rotationVariant,
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connectedEntities,
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} = metaBuilding.computeOptimalDirectionAndRotationVariantAtTile(
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this.root,
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tile,
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this.currentBaseRotation,
|
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this.currentVariant.get()
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);
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|
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// Check if there are connected entities
|
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if (connectedEntities) {
|
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for (let i = 0; i < connectedEntities.length; ++i) {
|
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const connectedEntity = connectedEntities[i];
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const connectedWsPoint = connectedEntity.components.StaticMapEntity.getTileSpaceBounds()
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.getCenter()
|
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.toWorldSpace();
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const startWsPoint = tile.toWorldSpaceCenterOfTile();
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const startOffset = connectedWsPoint
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.sub(startWsPoint)
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.normalize()
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.multiplyScalar(globalConfig.tileSize * 0.3);
|
|
const effectiveStartPoint = startWsPoint.add(startOffset);
|
|
const effectiveEndPoint = connectedWsPoint.sub(startOffset);
|
|
|
|
parameters.context.globalAlpha = 0.6;
|
|
|
|
// parameters.context.lineCap = "round";
|
|
parameters.context.strokeStyle = "#7f7";
|
|
parameters.context.lineWidth = 10;
|
|
parameters.context.beginPath();
|
|
parameters.context.moveTo(effectiveStartPoint.x, effectiveStartPoint.y);
|
|
parameters.context.lineTo(effectiveEndPoint.x, effectiveEndPoint.y);
|
|
parameters.context.stroke();
|
|
parameters.context.globalAlpha = 1;
|
|
// parameters.context.lineCap = "square";
|
|
}
|
|
}
|
|
|
|
// Synchronize rotation and origin
|
|
const staticComp = this.fakeEntity.components.StaticMapEntity;
|
|
staticComp.origin = tile;
|
|
staticComp.rotation = rotation;
|
|
staticComp.tileSize = metaBuilding.getDimensions(this.currentVariant.get());
|
|
metaBuilding.updateVariants(this.fakeEntity, rotationVariant, this.currentVariant.get());
|
|
|
|
// Check if we could place the buildnig
|
|
const canBuild = this.root.logic.checkCanPlaceBuilding({
|
|
origin: tile,
|
|
rotation,
|
|
rotationVariant,
|
|
building: metaBuilding,
|
|
variant: this.currentVariant.get(),
|
|
});
|
|
|
|
// Fade in / out
|
|
parameters.context.lineWidth = 1;
|
|
// parameters.context.globalAlpha = 0.3 + pulseAnimation(this.root.time.realtimeNow(), 0.9) * 0.7;
|
|
|
|
// Determine the bounds and visualize them
|
|
const entityBounds = staticComp.getTileSpaceBounds();
|
|
const drawBorder = -3;
|
|
if (canBuild) {
|
|
parameters.context.strokeStyle = "rgba(56, 235, 111, 0.5)";
|
|
parameters.context.fillStyle = "rgba(56, 235, 111, 0.2)";
|
|
} else {
|
|
parameters.context.strokeStyle = "rgba(255, 0, 0, 0.2)";
|
|
parameters.context.fillStyle = "rgba(255, 0, 0, 0.2)";
|
|
}
|
|
|
|
parameters.context.beginRoundedRect(
|
|
entityBounds.x * globalConfig.tileSize - drawBorder,
|
|
entityBounds.y * globalConfig.tileSize - drawBorder,
|
|
entityBounds.w * globalConfig.tileSize + 2 * drawBorder,
|
|
entityBounds.h * globalConfig.tileSize + 2 * drawBorder,
|
|
4
|
|
);
|
|
parameters.context.stroke();
|
|
// parameters.context.fill();
|
|
parameters.context.globalAlpha = 1;
|
|
|
|
// HACK to draw the entity sprite
|
|
const previewSprite = metaBuilding.getBlueprintSprite(rotationVariant, this.currentVariant.get());
|
|
staticComp.origin = worldPos.divideScalar(globalConfig.tileSize).subScalars(0.5, 0.5);
|
|
staticComp.drawSpriteOnFullEntityBounds(parameters, previewSprite);
|
|
staticComp.origin = tile;
|
|
|
|
// Draw ejectors
|
|
if (canBuild) {
|
|
this.drawMatchingAcceptorsAndEjectors(parameters);
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {DrawParameters} parameters
|
|
*/
|
|
drawMatchingAcceptorsAndEjectors(parameters) {
|
|
const acceptorComp = this.fakeEntity.components.ItemAcceptor;
|
|
const ejectorComp = this.fakeEntity.components.ItemEjector;
|
|
const staticComp = this.fakeEntity.components.StaticMapEntity;
|
|
|
|
const goodArrowSprite = Loader.getSprite("sprites/misc/slot_good_arrow.png");
|
|
const badArrowSprite = Loader.getSprite("sprites/misc/slot_bad_arrow.png");
|
|
|
|
// Just ignore this code ...
|
|
|
|
const offsetShift = 10;
|
|
|
|
if (acceptorComp) {
|
|
const slots = acceptorComp.slots;
|
|
for (let acceptorSlotIndex = 0; acceptorSlotIndex < slots.length; ++acceptorSlotIndex) {
|
|
const slot = slots[acceptorSlotIndex];
|
|
const acceptorSlotWsTile = staticComp.localTileToWorld(slot.pos);
|
|
const acceptorSlotWsPos = acceptorSlotWsTile.toWorldSpaceCenterOfTile();
|
|
|
|
for (
|
|
let acceptorDirectionIndex = 0;
|
|
acceptorDirectionIndex < slot.directions.length;
|
|
++acceptorDirectionIndex
|
|
) {
|
|
const direction = slot.directions[acceptorDirectionIndex];
|
|
const worldDirection = staticComp.localDirectionToWorld(direction);
|
|
|
|
const sourceTile = acceptorSlotWsTile.add(enumDirectionToVector[worldDirection]);
|
|
const sourceEntity = this.root.map.getTileContent(sourceTile);
|
|
|
|
let sprite = goodArrowSprite;
|
|
let alpha = 0.5;
|
|
|
|
if (sourceEntity) {
|
|
sprite = badArrowSprite;
|
|
const sourceEjector = sourceEntity.components.ItemEjector;
|
|
const sourceStaticComp = sourceEntity.components.StaticMapEntity;
|
|
const ejectorAcceptLocalTile = sourceStaticComp.worldToLocalTile(acceptorSlotWsTile);
|
|
if (sourceEjector && sourceEjector.anySlotEjectsToLocalTile(ejectorAcceptLocalTile)) {
|
|
sprite = goodArrowSprite;
|
|
}
|
|
alpha = 1.0;
|
|
}
|
|
|
|
parameters.context.globalAlpha = alpha;
|
|
drawRotatedSprite({
|
|
parameters,
|
|
sprite,
|
|
x: acceptorSlotWsPos.x,
|
|
y: acceptorSlotWsPos.y,
|
|
angle: Math_radians(enumDirectionToAngle[enumInvertedDirections[worldDirection]]),
|
|
size: 13,
|
|
offsetY: offsetShift + 13,
|
|
});
|
|
parameters.context.globalAlpha = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ejectorComp) {
|
|
const slots = ejectorComp.slots;
|
|
for (let ejectorSlotIndex = 0; ejectorSlotIndex < slots.length; ++ejectorSlotIndex) {
|
|
const slot = ejectorComp.slots[ejectorSlotIndex];
|
|
|
|
const ejectorSlotWsTile = staticComp.localTileToWorld(
|
|
ejectorComp.getSlotTargetLocalTile(ejectorSlotIndex)
|
|
);
|
|
const ejectorSLotWsPos = ejectorSlotWsTile.toWorldSpaceCenterOfTile();
|
|
const ejectorSlotWsDirection = staticComp.localDirectionToWorld(slot.direction);
|
|
|
|
const destEntity = this.root.map.getTileContent(ejectorSlotWsTile);
|
|
|
|
let sprite = goodArrowSprite;
|
|
let alpha = 0.5;
|
|
if (destEntity) {
|
|
alpha = 1;
|
|
const destAcceptor = destEntity.components.ItemAcceptor;
|
|
const destStaticComp = destEntity.components.StaticMapEntity;
|
|
|
|
if (destAcceptor) {
|
|
const destLocalTile = destStaticComp.worldToLocalTile(ejectorSlotWsTile);
|
|
const destLocalDir = destStaticComp.worldDirectionToLocal(ejectorSlotWsDirection);
|
|
if (destAcceptor.findMatchingSlot(destLocalTile, destLocalDir)) {
|
|
sprite = goodArrowSprite;
|
|
} else {
|
|
sprite = badArrowSprite;
|
|
}
|
|
}
|
|
}
|
|
|
|
parameters.context.globalAlpha = alpha;
|
|
drawRotatedSprite({
|
|
parameters,
|
|
sprite,
|
|
x: ejectorSLotWsPos.x,
|
|
y: ejectorSLotWsPos.y,
|
|
angle: Math_radians(enumDirectionToAngle[ejectorSlotWsDirection]),
|
|
size: 13,
|
|
offsetY: offsetShift,
|
|
});
|
|
parameters.context.globalAlpha = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|