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Minor performance improvements, improve underground belt performance

This commit is contained in:
tobspr 2020-09-18 19:21:12 +02:00
parent 746f4935ad
commit 0238de1260
4 changed files with 370 additions and 428 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/js/game/systems/item_processor.js
View File

@ -553,25 +553,7 @@ export class ItemProcessorSystem extends GameSystemWithFilter {
const bonusTimeToApply = Math.min(originalTime, processorComp.bonusTime);
const timeToProcess = originalTime - bonusTimeToApply;
// Substract one tick because we already process it this frame
// if (processorComp.bonusTime > originalTime) {
// if (processorComp.type === enumItemProcessorTypes.reader) {
// console.log(
// "Bonus time",
// round4Digits(processorComp.bonusTime),
// "Original time",
// round4Digits(originalTime),
// "Overcomit by",
// round4Digits(processorComp.bonusTime - originalTime),
// "->",
// round4Digits(timeToProcess),
// "reduced by",
// round4Digits(bonusTimeToApply)
// );
// }
// }
processorComp.bonusTime -= bonusTimeToApply;
processorComp.ongoingCharges.push({
items: outItems,
remainingTime: timeToProcess,

4
src/js/game/systems/item_processor_overlays.js
View File

@ -1,6 +1,6 @@
import { globalConfig } from "../../core/config";
import { Loader } from "../../core/loader";
import { smoothPulse, round4Digits } from "../../core/utils";
import { smoothPulse } from "../../core/utils";
import { enumItemProcessorRequirements, enumItemProcessorTypes } from "../components/item_processor";
import { Entity } from "../entity";
import { GameSystem } from "../game_system";
@ -17,7 +17,6 @@ export class ItemProcessorOverlaysSystem extends GameSystem {
this.readerOverlaySprite = Loader.getSprite("sprites/misc/reader_overlay.png");
this.drawnUids = new Set();
this.root.signals.gameFrameStarted.add(this.clearDrawnUids, this);
}
@ -40,7 +39,6 @@ export class ItemProcessorOverlaysSystem extends GameSystem {
}
const requirement = processorComp.processingRequirement;
if (!requirement && processorComp.type !== enumItemProcessorTypes.reader) {
continue;
}

1
src/js/game/systems/miner.js
View File

@ -46,7 +46,6 @@ export class MinerSystem extends GameSystemWithFilter {
}
// Check if miner is above an actual tile
if (!minerComp.cachedMinedItem) {
const staticComp = entity.components.StaticMapEntity;
const tileBelow = this.root.map.getLowerLayerContentXY(

775
src/js/game/systems/underground_belt.js
View File

@ -1,406 +1,369 @@
import { globalConfig } from "../../core/config";
import { Loader } from "../../core/loader";
import { createLogger } from "../../core/logging";
import { Rectangle } from "../../core/rectangle";
import {
enumAngleToDirection,
enumDirection,
enumDirectionToAngle,
enumDirectionToVector,
enumInvertedDirections,
} from "../../core/vector";
import { enumUndergroundBeltMode, UndergroundBeltComponent } from "../components/underground_belt";
import { Entity } from "../entity";
import { GameSystemWithFilter } from "../game_system_with_filter";
import { fastArrayDelete } from "../../core/utils";
const logger = createLogger("tunnels");
export class UndergroundBeltSystem extends GameSystemWithFilter {
constructor(root) {
super(root, [UndergroundBeltComponent]);
this.beltSprites = {
[enumUndergroundBeltMode.sender]: Loader.getSprite(
"sprites/buildings/underground_belt_entry.png"
),
[enumUndergroundBeltMode.receiver]: Loader.getSprite(
"sprites/buildings/underground_belt_exit.png"
),
};
this.root.signals.entityManuallyPlaced.add(this.onEntityManuallyPlaced, this);
/**
* @type {Rectangle}
*/
this.areaToRecompute = null;
this.root.signals.entityAdded.add(this.onEntityChanged, this);
this.root.signals.entityDestroyed.add(this.onEntityChanged, this);
}
/**
* Called when an entity got added or removed
* @param {Entity} entity
*/
onEntityChanged(entity) {
if (!this.root.gameInitialized) {
return;
}
const undergroundComp = entity.components.UndergroundBelt;
if (!undergroundComp) {
return;
}
const affectedArea = entity.components.StaticMapEntity.getTileSpaceBounds().expandedInAllDirections(
globalConfig.undergroundBeltMaxTilesByTier[
globalConfig.undergroundBeltMaxTilesByTier.length - 1
] + 1
);
if (this.areaToRecompute) {
this.areaToRecompute = this.areaToRecompute.getUnion(affectedArea);
} else {
this.areaToRecompute = affectedArea;
}
}
/**
* Callback when an entity got placed, used to remove belts between underground belts
* @param {Entity} entity
*/
onEntityManuallyPlaced(entity) {
if (!this.root.app.settings.getAllSettings().enableTunnelSmartplace) {
// Smart-place disabled
return;
}
const undergroundComp = entity.components.UndergroundBelt;
if (undergroundComp && undergroundComp.mode === enumUndergroundBeltMode.receiver) {
const staticComp = entity.components.StaticMapEntity;
const tile = staticComp.origin;
const direction = enumAngleToDirection[staticComp.rotation];
const inverseDirection = enumInvertedDirections[direction];
const offset = enumDirectionToVector[inverseDirection];
let currentPos = tile.copy();
const tier = undergroundComp.tier;
const range = globalConfig.undergroundBeltMaxTilesByTier[tier];
// FIND ENTRANCE
// Search for the entrance which is furthes apart (this is why we can't reuse logic here)
let matchingEntrance = null;
for (let i = 0; i < range; ++i) {
currentPos.addInplace(offset);
const contents = this.root.map.getTileContent(currentPos, entity.layer);
if (!contents) {
continue;
}
const contentsUndergroundComp = contents.components.UndergroundBelt;
const contentsStaticComp = contents.components.StaticMapEntity;
if (
contentsUndergroundComp &&
contentsUndergroundComp.tier === undergroundComp.tier &&
contentsUndergroundComp.mode === enumUndergroundBeltMode.sender &&
enumAngleToDirection[contentsStaticComp.rotation] === direction
) {
matchingEntrance = {
entity: contents,
range: i,
};
}
}
if (!matchingEntrance) {
// Nothing found
return;
}
// DETECT OBSOLETE BELTS BETWEEN
// Remove any belts between entrance and exit which have the same direction,
// but only if they *all* have the right direction
currentPos = tile.copy();
let allBeltsMatch = true;
for (let i = 0; i < matchingEntrance.range; ++i) {
currentPos.addInplace(offset);
const contents = this.root.map.getTileContent(currentPos, entity.layer);
if (!contents) {
allBeltsMatch = false;
break;
}
const contentsStaticComp = contents.components.StaticMapEntity;
const contentsBeltComp = contents.components.Belt;
if (!contentsBeltComp) {
allBeltsMatch = false;
break;
}
// It's a belt
if (
contentsBeltComp.direction !== enumDirection.top ||
enumAngleToDirection[contentsStaticComp.rotation] !== direction
) {
allBeltsMatch = false;
break;
}
}
currentPos = tile.copy();
if (allBeltsMatch) {
// All belts between this are obsolete, so drop them
for (let i = 0; i < matchingEntrance.range; ++i) {
currentPos.addInplace(offset);
const contents = this.root.map.getTileContent(currentPos, entity.layer);
assert(contents, "Invalid smart underground belt logic");
this.root.logic.tryDeleteBuilding(contents);
}
}
// REMOVE OBSOLETE TUNNELS
// Remove any double tunnels, by checking the tile plus the tile above
currentPos = tile.copy().add(offset);
for (let i = 0; i < matchingEntrance.range - 1; ++i) {
const posBefore = currentPos.copy();
currentPos.addInplace(offset);
const entityBefore = this.root.map.getTileContent(posBefore, entity.layer);
const entityAfter = this.root.map.getTileContent(currentPos, entity.layer);
if (!entityBefore || !entityAfter) {
continue;
}
const undergroundBefore = entityBefore.components.UndergroundBelt;
const undergroundAfter = entityAfter.components.UndergroundBelt;
if (!undergroundBefore || !undergroundAfter) {
// Not an underground belt
continue;
}
if (
// Both same tier
undergroundBefore.tier !== undergroundAfter.tier ||
// And same tier as our original entity
undergroundBefore.tier !== undergroundComp.tier
) {
// Mismatching tier
continue;
}
if (
undergroundBefore.mode !== enumUndergroundBeltMode.sender ||
undergroundAfter.mode !== enumUndergroundBeltMode.receiver
) {
// Not the right mode
continue;
}
// Check rotations
const staticBefore = entityBefore.components.StaticMapEntity;
const staticAfter = entityAfter.components.StaticMapEntity;
if (
enumAngleToDirection[staticBefore.rotation] !== direction ||
enumAngleToDirection[staticAfter.rotation] !== direction
) {
// Wrong rotation
continue;
}
// All good, can remove
this.root.logic.tryDeleteBuilding(entityBefore);
this.root.logic.tryDeleteBuilding(entityAfter);
}
}
}
/**
* Recomputes the cache in the given area, invalidating all entries there
*/
recomputeArea() {
const area = this.areaToRecompute;
logger.log("Recomputing area:", area.x, area.y, "/", area.w, area.h);
if (G_IS_DEV && globalConfig.debug.renderChanges) {
this.root.hud.parts.changesDebugger.renderChange("tunnels", this.areaToRecompute, "#fc03be");
}
for (let x = area.x; x < area.right(); ++x) {
for (let y = area.y; y < area.bottom(); ++y) {
const entities = this.root.map.getLayersContentsMultipleXY(x, y);
for (let i = 0; i < entities.length; ++i) {
const entity = entities[i];
const undergroundComp = entity.components.UndergroundBelt;
if (!undergroundComp) {
continue;
}
undergroundComp.cachedLinkedEntity = null;
}
}
}
}
update() {
if (this.areaToRecompute) {
this.recomputeArea();
this.areaToRecompute = null;
}
const delta = this.root.dynamicTickrate.deltaSeconds;
for (let i = 0; i < this.allEntities.length; ++i) {
const entity = this.allEntities[i];
const undergroundComp = entity.components.UndergroundBelt;
const pendingItems = undergroundComp.pendingItems;
// Decrease remaining time of all items in belt
for (let k = 0; k < pendingItems.length; ++k) {
const item = pendingItems[k];
item[1] = Math.max(0, item[1] - delta);
if (G_IS_DEV && globalConfig.debug.instantBelts) {
item[1] = 0;
}
}
if (undergroundComp.mode === enumUndergroundBeltMode.sender) {
this.handleSender(entity);
} else {
this.handleReceiver(entity);
}
}
}
/**
* Finds the receiver for a given sender
* @param {Entity} entity
* @returns {import("../components/underground_belt").LinkedUndergroundBelt}
*/
findRecieverForSender(entity) {
const staticComp = entity.components.StaticMapEntity;
const undergroundComp = entity.components.UndergroundBelt;
const searchDirection = staticComp.localDirectionToWorld(enumDirection.top);
const searchVector = enumDirectionToVector[searchDirection];
const targetRotation = enumDirectionToAngle[searchDirection];
let currentTile = staticComp.origin;
// Search in the direction of the tunnel
for (
let searchOffset = 0;
searchOffset < globalConfig.undergroundBeltMaxTilesByTier[undergroundComp.tier];
++searchOffset
) {
currentTile = currentTile.add(searchVector);
const potentialReceiver = this.root.map.getTileContent(currentTile, "regular");
if (!potentialReceiver) {
// Empty tile
continue;
}
const receiverUndergroundComp = potentialReceiver.components.UndergroundBelt;
if (!receiverUndergroundComp || receiverUndergroundComp.tier !== undergroundComp.tier) {
// Not a tunnel, or not on the same tier
continue;
}
const receiverStaticComp = potentialReceiver.components.StaticMapEntity;
if (receiverStaticComp.rotation !== targetRotation) {
// Wrong rotation
continue;
}
if (receiverUndergroundComp.mode !== enumUndergroundBeltMode.receiver) {
// Not a receiver, but a sender -> Abort to make sure we don't deliver double
break;
}
return { entity: potentialReceiver, distance: searchOffset };
}
// None found
return { entity: null, distance: 0 };
}
/**
*
* @param {Entity} entity
*/
handleSender(entity) {
const undergroundComp = entity.components.UndergroundBelt;
// Find the current receiver
let receiver = undergroundComp.cachedLinkedEntity;
if (!receiver) {
// We don't have a receiver, compute it
receiver = undergroundComp.cachedLinkedEntity = this.findRecieverForSender(entity);
if (G_IS_DEV && globalConfig.debug.renderChanges) {
this.root.hud.parts.changesDebugger.renderChange(
"sender",
entity.components.StaticMapEntity.getTileSpaceBounds(),
"#fc03be"
);
}
}
if (!receiver.entity) {
// If there is no connection to a receiver, ignore this one
return;
}
// Check if we have any item
if (undergroundComp.pendingItems.length > 0) {
assert(undergroundComp.pendingItems.length === 1, "more than 1 pending");
const nextItemAndDuration = undergroundComp.pendingItems[0];
const remainingTime = nextItemAndDuration[1];
const nextItem = nextItemAndDuration[0];
// Check if the item is ready to be emitted
if (remainingTime === 0) {
// Check if the receiver can accept it
if (
receiver.entity.components.UndergroundBelt.tryAcceptTunneledItem(
nextItem,
receiver.distance,
this.root.hubGoals.getUndergroundBeltBaseSpeed()
)
) {
// Drop this item
fastArrayDelete(undergroundComp.pendingItems, 0);
}
}
}
}
/**
*
* @param {Entity} entity
*/
handleReceiver(entity) {
const undergroundComp = entity.components.UndergroundBelt;
// Try to eject items, we only check the first one because it is sorted by remaining time
const items = undergroundComp.pendingItems;
if (items.length > 0) {
const nextItemAndDuration = undergroundComp.pendingItems[0];
const remainingTime = nextItemAndDuration[1];
const nextItem = nextItemAndDuration[0];
if (remainingTime <= 0) {
const ejectorComp = entity.components.ItemEjector;
const nextSlotIndex = ejectorComp.getFirstFreeSlot();
if (nextSlotIndex !== null) {
if (ejectorComp.tryEject(nextSlotIndex, nextItem)) {
items.shift();
}
}
}
}
}
}
import { globalConfig } from "../../core/config";
import { Loader } from "../../core/loader";
import { createLogger } from "../../core/logging";
import { Rectangle } from "../../core/rectangle";
import { StaleAreaDetector } from "../../core/stale_area_detector";
import { fastArrayDelete } from "../../core/utils";
import {
enumAngleToDirection,
enumDirection,
enumDirectionToAngle,
enumDirectionToVector,
enumInvertedDirections,
} from "../../core/vector";
import { enumUndergroundBeltMode, UndergroundBeltComponent } from "../components/underground_belt";
import { Entity } from "../entity";
import { GameSystemWithFilter } from "../game_system_with_filter";
const logger = createLogger("tunnels");
export class UndergroundBeltSystem extends GameSystemWithFilter {
constructor(root) {
super(root, [UndergroundBeltComponent]);
this.beltSprites = {
[enumUndergroundBeltMode.sender]: Loader.getSprite(
"sprites/buildings/underground_belt_entry.png"
),
[enumUndergroundBeltMode.receiver]: Loader.getSprite(
"sprites/buildings/underground_belt_exit.png"
),
};
this.staleAreaWatcher = new StaleAreaDetector({
root: this.root,
name: "underground-belt",
recomputeMethod: this.recomputeArea.bind(this),
});
this.root.signals.entityManuallyPlaced.add(this.onEntityManuallyPlaced, this);
// NOTICE: Once we remove a tunnel, we need to update the whole area to
// clear outdated handles
this.staleAreaWatcher.recomputeOnComponentsChanged(
[UndergroundBeltComponent],
globalConfig.undergroundBeltMaxTilesByTier[globalConfig.undergroundBeltMaxTilesByTier.length - 1]
);
}
/**
* Callback when an entity got placed, used to remove belts between underground belts
* @param {Entity} entity
*/
onEntityManuallyPlaced(entity) {
if (!this.root.app.settings.getAllSettings().enableTunnelSmartplace) {
// Smart-place disabled
return;
}
const undergroundComp = entity.components.UndergroundBelt;
if (undergroundComp && undergroundComp.mode === enumUndergroundBeltMode.receiver) {
const staticComp = entity.components.StaticMapEntity;
const tile = staticComp.origin;
const direction = enumAngleToDirection[staticComp.rotation];
const inverseDirection = enumInvertedDirections[direction];
const offset = enumDirectionToVector[inverseDirection];
let currentPos = tile.copy();
const tier = undergroundComp.tier;
const range = globalConfig.undergroundBeltMaxTilesByTier[tier];
// FIND ENTRANCE
// Search for the entrance which is furthes apart (this is why we can't reuse logic here)
let matchingEntrance = null;
for (let i = 0; i < range; ++i) {
currentPos.addInplace(offset);
const contents = this.root.map.getTileContent(currentPos, entity.layer);
if (!contents) {
continue;
}
const contentsUndergroundComp = contents.components.UndergroundBelt;
const contentsStaticComp = contents.components.StaticMapEntity;
if (
contentsUndergroundComp &&
contentsUndergroundComp.tier === undergroundComp.tier &&
contentsUndergroundComp.mode === enumUndergroundBeltMode.sender &&
enumAngleToDirection[contentsStaticComp.rotation] === direction
) {
matchingEntrance = {
entity: contents,
range: i,
};
}
}
if (!matchingEntrance) {
// Nothing found
return;
}
// DETECT OBSOLETE BELTS BETWEEN
// Remove any belts between entrance and exit which have the same direction,
// but only if they *all* have the right direction
currentPos = tile.copy();
let allBeltsMatch = true;
for (let i = 0; i < matchingEntrance.range; ++i) {
currentPos.addInplace(offset);
const contents = this.root.map.getTileContent(currentPos, entity.layer);
if (!contents) {
allBeltsMatch = false;
break;
}
const contentsStaticComp = contents.components.StaticMapEntity;
const contentsBeltComp = contents.components.Belt;
if (!contentsBeltComp) {
allBeltsMatch = false;
break;
}
// It's a belt
if (
contentsBeltComp.direction !== enumDirection.top ||
enumAngleToDirection[contentsStaticComp.rotation] !== direction
) {
allBeltsMatch = false;
break;
}
}
currentPos = tile.copy();
if (allBeltsMatch) {
// All belts between this are obsolete, so drop them
for (let i = 0; i < matchingEntrance.range; ++i) {
currentPos.addInplace(offset);
const contents = this.root.map.getTileContent(currentPos, entity.layer);
assert(contents, "Invalid smart underground belt logic");
this.root.logic.tryDeleteBuilding(contents);
}
}
// REMOVE OBSOLETE TUNNELS
// Remove any double tunnels, by checking the tile plus the tile above
currentPos = tile.copy().add(offset);
for (let i = 0; i < matchingEntrance.range - 1; ++i) {
const posBefore = currentPos.copy();
currentPos.addInplace(offset);
const entityBefore = this.root.map.getTileContent(posBefore, entity.layer);
const entityAfter = this.root.map.getTileContent(currentPos, entity.layer);
if (!entityBefore || !entityAfter) {
continue;
}
const undergroundBefore = entityBefore.components.UndergroundBelt;
const undergroundAfter = entityAfter.components.UndergroundBelt;
if (!undergroundBefore || !undergroundAfter) {
// Not an underground belt
continue;
}
if (
// Both same tier
undergroundBefore.tier !== undergroundAfter.tier ||
// And same tier as our original entity
undergroundBefore.tier !== undergroundComp.tier
) {
// Mismatching tier
continue;
}
if (
undergroundBefore.mode !== enumUndergroundBeltMode.sender ||
undergroundAfter.mode !== enumUndergroundBeltMode.receiver
) {
// Not the right mode
continue;
}
// Check rotations
const staticBefore = entityBefore.components.StaticMapEntity;
const staticAfter = entityAfter.components.StaticMapEntity;
if (
enumAngleToDirection[staticBefore.rotation] !== direction ||
enumAngleToDirection[staticAfter.rotation] !== direction
) {
// Wrong rotation
continue;
}
// All good, can remove
this.root.logic.tryDeleteBuilding(entityBefore);
this.root.logic.tryDeleteBuilding(entityAfter);
}
}
}
/**
* Recomputes the cache in the given area, invalidating all entries there
* @param {Rectangle} area
*/
recomputeArea(area) {
for (let x = area.x; x < area.right(); ++x) {
for (let y = area.y; y < area.bottom(); ++y) {
const entities = this.root.map.getLayersContentsMultipleXY(x, y);
for (let i = 0; i < entities.length; ++i) {
const entity = entities[i];
const undergroundComp = entity.components.UndergroundBelt;
if (!undergroundComp) {
continue;
}
undergroundComp.cachedLinkedEntity = null;
}
}
}
}
update() {
this.staleAreaWatcher.update();
const delta = this.root.dynamicTickrate.deltaSeconds;
for (let i = 0; i < this.allEntities.length; ++i) {
const entity = this.allEntities[i];
const undergroundComp = entity.components.UndergroundBelt;
const pendingItems = undergroundComp.pendingItems;
// Decrease remaining time of all items in belt
for (let k = 0; k < pendingItems.length; ++k) {
const item = pendingItems[k];
item[1] = Math.max(0, item[1] - delta);
if (G_IS_DEV && globalConfig.debug.instantBelts) {
item[1] = 0;
}
}
if (undergroundComp.mode === enumUndergroundBeltMode.sender) {
this.handleSender(entity);
} else {
this.handleReceiver(entity);
}
}
}
/**
* Finds the receiver for a given sender
* @param {Entity} entity
* @returns {import("../components/underground_belt").LinkedUndergroundBelt}
*/
findRecieverForSender(entity) {
const staticComp = entity.components.StaticMapEntity;
const undergroundComp = entity.components.UndergroundBelt;
const searchDirection = staticComp.localDirectionToWorld(enumDirection.top);
const searchVector = enumDirectionToVector[searchDirection];
const targetRotation = enumDirectionToAngle[searchDirection];
let currentTile = staticComp.origin;
// Search in the direction of the tunnel
for (
let searchOffset = 0;
searchOffset < globalConfig.undergroundBeltMaxTilesByTier[undergroundComp.tier];
++searchOffset
) {
currentTile = currentTile.add(searchVector);
const potentialReceiver = this.root.map.getTileContent(currentTile, "regular");
if (!potentialReceiver) {
// Empty tile
continue;
}
const receiverUndergroundComp = potentialReceiver.components.UndergroundBelt;
if (!receiverUndergroundComp || receiverUndergroundComp.tier !== undergroundComp.tier) {
// Not a tunnel, or not on the same tier
continue;
}
const receiverStaticComp = potentialReceiver.components.StaticMapEntity;
if (receiverStaticComp.rotation !== targetRotation) {
// Wrong rotation
continue;
}
if (receiverUndergroundComp.mode !== enumUndergroundBeltMode.receiver) {
// Not a receiver, but a sender -> Abort to make sure we don't deliver double
break;
}
return { entity: potentialReceiver, distance: searchOffset };
}
// None found
return { entity: null, distance: 0 };
}
/**
*
* @param {Entity} entity
*/
handleSender(entity) {
const undergroundComp = entity.components.UndergroundBelt;
// Find the current receiver
let cacheEntry = undergroundComp.cachedLinkedEntity;
if (!cacheEntry) {
// Need to recompute cache
cacheEntry = undergroundComp.cachedLinkedEntity = this.findRecieverForSender(entity);
}
if (!cacheEntry.entity) {
// If there is no connection to a receiver, ignore this one
return;
}
// Check if we have any item
if (undergroundComp.pendingItems.length > 0) {
assert(undergroundComp.pendingItems.length === 1, "more than 1 pending");
const nextItemAndDuration = undergroundComp.pendingItems[0];
const remainingTime = nextItemAndDuration[1];
const nextItem = nextItemAndDuration[0];
// Check if the item is ready to be emitted
if (remainingTime === 0) {
// Check if the receiver can accept it
if (
cacheEntry.entity.components.UndergroundBelt.tryAcceptTunneledItem(
nextItem,
cacheEntry.distance,
this.root.hubGoals.getUndergroundBeltBaseSpeed()
)
) {
// Drop this item
fastArrayDelete(undergroundComp.pendingItems, 0);
}
}
}
}
/**
*
* @param {Entity} entity
*/
handleReceiver(entity) {
const undergroundComp = entity.components.UndergroundBelt;
// Try to eject items, we only check the first one because it is sorted by remaining time
const items = undergroundComp.pendingItems;
if (items.length > 0) {
const nextItemAndDuration = undergroundComp.pendingItems[0];
const remainingTime = nextItemAndDuration[1];
const nextItem = nextItemAndDuration[0];
if (remainingTime <= 0) {
const ejectorComp = entity.components.ItemEjector;
const nextSlotIndex = ejectorComp.getFirstFreeSlot();
if (nextSlotIndex !== null) {
if (ejectorComp.tryEject(nextSlotIndex, nextItem)) {
items.shift();
}
}
}
}
}
}