From d83ddf4e5326713ad9ed78634c0877cf24684132 Mon Sep 17 00:00:00 2001
From: reidlab <reidlab325@gmail.com>
Date: Thu, 20 Jul 2023 15:09:09 -0700
Subject: [PATCH] add character to clientstate and add sprint system

---
 src/ReplicatedStorage/ecs/state.ts            |  4 +--
 .../ecs/systems/client/sprint.ts              | 34 +++++++++++++++++++
 .../StarterPlayerScripts/main.client.ts       |  5 +++
 3 files changed, 41 insertions(+), 2 deletions(-)
 create mode 100644 src/ReplicatedStorage/ecs/systems/client/sprint.ts

diff --git a/src/ReplicatedStorage/ecs/state.ts b/src/ReplicatedStorage/ecs/state.ts
index 949c421..4d480e4 100644
--- a/src/ReplicatedStorage/ecs/state.ts
+++ b/src/ReplicatedStorage/ecs/state.ts
@@ -1,14 +1,14 @@
 /* eslint-disable roblox-ts/no-private-identifier */
 
+import { CharacterRigR6 } from "@rbxts/character-promise"
 import { InputKind } from "ReplicatedStorage/inputKind"
 
 /**
  * The client ECS state.
  */
 export class clientState {
-	[index: string]: unknown,
+	character?: CharacterRigR6
 	debugEnabled = false
-	isJumping = false
 	isRunning = false
 	lastProcessedCommand?: InputKind
 }
diff --git a/src/ReplicatedStorage/ecs/systems/client/sprint.ts b/src/ReplicatedStorage/ecs/systems/client/sprint.ts
new file mode 100644
index 0000000..14b1e39
--- /dev/null
+++ b/src/ReplicatedStorage/ecs/systems/client/sprint.ts
@@ -0,0 +1,34 @@
+import { World } from "@rbxts/matter"
+import { match } from "@rbxts/variant"
+import { clientState } from "ReplicatedStorage/ecs/state"
+
+function sprint(_: World, client: clientState): void {
+	if (client.lastProcessedCommand !== undefined) {
+        match(client.lastProcessedCommand, {
+            KeyDown: ({ key }) => {
+                if (key === Enum.KeyCode.LeftControl) {
+                    client.isRunning = true
+                }
+            },
+            KeyUp: ({ key }) => {
+                if (key === Enum.KeyCode.LeftControl) {
+                    client.isRunning = false
+                }
+            },
+            default: () => {
+                // do nothing
+            }
+        })
+    }
+
+    if (client.isRunning && client.character) {
+        client.character.Humanoid.WalkSpeed = 24
+        return
+    }
+
+    if (client.character) {
+        client.character.Humanoid.WalkSpeed = 16
+    }
+}
+
+export = sprint
\ No newline at end of file
diff --git a/src/StarterPlayer/StarterPlayerScripts/main.client.ts b/src/StarterPlayer/StarterPlayerScripts/main.client.ts
index 686184e..a2f158f 100644
--- a/src/StarterPlayer/StarterPlayerScripts/main.client.ts
+++ b/src/StarterPlayer/StarterPlayerScripts/main.client.ts
@@ -1,3 +1,5 @@
+import { CharacterRigR6 } from "@rbxts/character-promise"
+import { Players } from "@rbxts/services"
 import { start } from "ReplicatedStorage/ecs"
 import { clientState } from "ReplicatedStorage/ecs/state"
 import { Host } from "ReplicatedStorage/hosts"
@@ -7,5 +9,8 @@ const HOST = Host.Client
 
 const ClientState = new clientState()
 
+const player = Players.LocalPlayer
+ClientState.character = (player.Character || player.CharacterAdded.Wait()[0]) as CharacterRigR6
+
 setEnvironment(HOST)
 start(HOST, ClientState)
\ No newline at end of file