fix resetting, add comments

src/ReplicatedStorage/ecs/systems/client/customReset.ts

@@ -0,0 +1,18 @@
+import { World, useEvent } from "@rbxts/matter"
+import { StarterGui } from "@rbxts/services"
+import { clientState } from "ReplicatedStorage/ecs/state"
+import { getEvent } from "ReplicatedStorage/remotes"
+
+const resetButtonCallback = new Instance("BindableEvent")
+StarterGui.SetCore("ResetButtonCallback", resetButtonCallback)
+
+getEvent("resetButton")
+
+function customReset(_: World, _client: clientState): void {
+    const resetButtonEvent = getEvent("resetButton")
+    for (const [,] of useEvent(resetButtonCallback, "Event")) {
+        resetButtonEvent.FireServer()
+    }
+}
+
+export = customReset

src/ServerScriptService/ecs/systems/server/customReset.ts

@@ -0,0 +1,23 @@
+import { World, useEvent } from "@rbxts/matter"
+import { Health, Model, PlayerCharacter } from "ReplicatedStorage/ecs/components"
+import { getEvent } from "ReplicatedStorage/remotes"
+
+getEvent("resetButton")
+
+function customReset(world: World): void {
+	const resetButtonEvent = getEvent("resetButton")
+    for (const [, player] of useEvent(resetButtonEvent, "OnServerEvent")) {
+        for (const [id, playerCharacter, _model, health] of world.query(PlayerCharacter, Model, Health)) {
+            if (playerCharacter.player !== player) continue
+            world.insert(
+                id,
+                health.patch({
+                    health: 0,
+                    regeneration: 0
+                })
+            )
+        }
+    }
+}
+
+export = customReset

src/ServerScriptService/ecs/systems/server/healthRegenerates.ts

@@ -2,7 +2,7 @@ import { useThrottle, World } from "@rbxts/matter"
 import { Health } from "ReplicatedStorage/ecs/components"
 
 /**
- * @todo
+ * Health components regenerate health based on the regeneration value.
  */
 function healthRegenerates(world: World): void {
 	for (const [id, health] of world.query(Health)) {

src/ServerScriptService/ecs/systems/server/playersArePlayerCharacters.ts

@@ -4,7 +4,7 @@ import { Health, Model, PlayerCharacter } from "ReplicatedStorage/ecs/components
 import { CharacterRigR6 } from "@rbxts/character-promise"
 
 /**
- * @todo
+ * Player characters are marked with the "PlayerCharacter" component, "Health" component, and "Model" component. 
  */
 function playersArePlayerCharacters(world: World): void {
     Players.GetPlayers().forEach((player, _) => {

src/ServerScriptService/ecs/systems/server/playersRagdollOnDeath.ts

@@ -2,7 +2,9 @@ import { World, useEvent } from "@rbxts/matter"
 import { Model, PlayerCharacter } from "ReplicatedStorage/ecs/components"
 
 /**
- * @todo
+ * When players die, disconnect all Motor6D instances.
+ * 
+ * The Motor6D instances are replaced with BallSocketContraints.
  */
 function playersRagdollOnDeath(world: World): void {
     for (const [_, playerCharacter, model] of world.query(PlayerCharacter, Model)) {