From 65ced2e44dde8a556de3a8fa516c23d9cb20b2be Mon Sep 17 00:00:00 2001
From: isaisstillalive <isaisstillalive@gmail.com>
Date: Wed, 15 Jul 2020 23:20:15 +0900
Subject: [PATCH] Changed to consider floating point error in the process of
 subtracting time

---
 src/js/game/systems/item_ejector.js     | 3 ++-
 src/js/game/systems/item_processor.js   | 3 ++-
 src/js/game/systems/underground_belt.js | 6 +++---
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/js/game/systems/item_ejector.js b/src/js/game/systems/item_ejector.js
index 316dc053..bf62d854 100644
--- a/src/js/game/systems/item_ejector.js
+++ b/src/js/game/systems/item_ejector.js
@@ -8,6 +8,7 @@ import { ItemEjectorComponent } from "../components/item_ejector";
 import { Entity } from "../entity";
 import { GameSystemWithFilter } from "../game_system_with_filter";
 import { enumLayer } from "../root";
+import { quantizeFloat } from "../../core/utils";
 
 const logger = createLogger("systems/ejector");
 
@@ -225,7 +226,7 @@ export class ItemEjectorSystem extends GameSystemWithFilter {
                 );
 
                 // Check if we are still in the process of ejecting, can't proceed then
-                if (sourceSlot.progress < 1.0) {
+                if (quantizeFloat(sourceSlot.progress) < 1.0) {
                     continue;
                 }
 
diff --git a/src/js/game/systems/item_processor.js b/src/js/game/systems/item_processor.js
index 8713f599..143e0cef 100644
--- a/src/js/game/systems/item_processor.js
+++ b/src/js/game/systems/item_processor.js
@@ -6,6 +6,7 @@ import { Entity } from "../entity";
 import { GameSystemWithFilter } from "../game_system_with_filter";
 import { ColorItem } from "../items/color_item";
 import { ShapeItem } from "../items/shape_item";
+import { quantizeFloat } from "../../core/utils";
 
 export class ItemProcessorSystem extends GameSystemWithFilter {
     constructor(root) {
@@ -31,7 +32,7 @@ export class ItemProcessorSystem extends GameSystemWithFilter {
 
             // Check if we have any finished items we can eject
             if (
-                processorComp.secondsUntilEject === 0 && // it was processed in time
+                quantizeFloat(processorComp.secondsUntilEject) == 0 && // it was processed in time
                 processorComp.itemsToEject.length > 0 // we have some items left to eject
             ) {
                 for (let itemIndex = 0; itemIndex < processorComp.itemsToEject.length; ++itemIndex) {
diff --git a/src/js/game/systems/underground_belt.js b/src/js/game/systems/underground_belt.js
index f5e1b0ab..70e51a5c 100644
--- a/src/js/game/systems/underground_belt.js
+++ b/src/js/game/systems/underground_belt.js
@@ -12,7 +12,7 @@ import {
 import { enumUndergroundBeltMode, UndergroundBeltComponent } from "../components/underground_belt";
 import { Entity } from "../entity";
 import { GameSystemWithFilter } from "../game_system_with_filter";
-import { fastArrayDelete } from "../../core/utils";
+import { fastArrayDelete, quantizeFloat } from "../../core/utils";
 import { enumLayer } from "../root";
 
 const logger = createLogger("tunnels");
@@ -362,7 +362,7 @@ export class UndergroundBeltSystem extends GameSystemWithFilter {
             const nextItem = nextItemAndDuration[0];
 
             // Check if the item is ready to be emitted
-            if (remainingTime === 0) {
+            if (quantizeFloat(remainingTime) == 0) {
                 // Check if the receiver can accept it
                 if (
                     receiver.entity.components.UndergroundBelt.tryAcceptTunneledItem(
@@ -392,7 +392,7 @@ export class UndergroundBeltSystem extends GameSystemWithFilter {
             const remainingTime = nextItemAndDuration[1];
             const nextItem = nextItemAndDuration[0];
 
-            if (remainingTime <= 0) {
+            if (quantizeFloat(remainingTime) == 0) {
                 const ejectorComp = entity.components.ItemEjector;
 
                 const nextSlotIndex = ejectorComp.getFirstFreeSlot(entity.layer);