1 files changed, 82 insertions, 0 deletions
diff --git a/sourcemod/scripting/gokz-jumpstats/jump_validating.sp b/sourcemod/scripting/gokz-jumpstats/jump_validating.sp
new file mode 100644
index 0000000..c6835c7
--- /dev/null
+++ b/sourcemod/scripting/gokz-jumpstats/jump_validating.sp
@@ -0,0 +1,82 @@
+/*
+	Invalidating invalid jumps, such as ones with a modified velocity.
+*/
+
+static Handle processMovementHookPost;
+
+void OnPluginStart_JumpValidating()
+{
+	Handle gamedataConf = LoadGameConfigFile("gokz-core.games");
+	if (gamedataConf == null)
+	{
+		SetFailState("Failed to load gokz-core gamedata");
+	}
+	
+	// CreateInterface
+	// Thanks SlidyBat and ici
+	StartPrepSDKCall(SDKCall_Static);
+	if (!PrepSDKCall_SetFromConf(gamedataConf, SDKConf_Signature, "CreateInterface"))
+	{
+		SetFailState("Failed to get CreateInterface");
+	}
+	PrepSDKCall_AddParameter(SDKType_String, SDKPass_Pointer);
+	PrepSDKCall_AddParameter(SDKType_PlainOldData, SDKPass_Pointer, VDECODE_FLAG_ALLOWNULL);
+	PrepSDKCall_SetReturnInfo(SDKType_PlainOldData, SDKPass_Plain);
+	Handle CreateInterface = EndPrepSDKCall();
+	
+	if (CreateInterface == null)
+	{
+		SetFailState("Unable to prepare SDKCall for CreateInterface");
+	}
+	
+	char interfaceName[64];
+	
+	// ProcessMovement
+	if (!GameConfGetKeyValue(gamedataConf, "IGameMovement", interfaceName, sizeof(interfaceName)))
+	{
+		SetFailState("Failed to get IGameMovement interface name");
+	}
+	Address IGameMovement = SDKCall(CreateInterface, interfaceName, 0);
+	if (!IGameMovement)
+	{
+		SetFailState("Failed to get IGameMovement pointer");
+	}
+	
+	int offset = GameConfGetOffset(gamedataConf, "ProcessMovement");
+	if (offset == -1)
+	{
+		SetFailState("Failed to get ProcessMovement offset");
+	}
+
+	processMovementHookPost = DHookCreate(offset, HookType_Raw, ReturnType_Void, ThisPointer_Ignore, DHook_ProcessMovementPost);
+	DHookAddParam(processMovementHookPost, HookParamType_CBaseEntity);
+	DHookAddParam(processMovementHookPost, HookParamType_ObjectPtr);
+	DHookRaw(processMovementHookPost, false, IGameMovement);
+}
+
+static MRESReturn DHook_ProcessMovementPost(Handle hParams)
+{
+	int client = DHookGetParam(hParams, 1);
+	if (!IsValidClient(client) || IsFakeClient(client))
+	{
+		return MRES_Ignored;
+	}
+	float pVelocity[3], velocity[3];
+	Movement_GetProcessingVelocity(client, pVelocity);
+	Movement_GetVelocity(client, velocity);
+
+	gB_SpeedJustModifiedExternally[client] = false;
+	for (int i = 0; i < 3; i++)
+	{
+		if (FloatAbs(pVelocity[i] - velocity[i]) > EPSILON)
+		{
+			// The current velocity doesn't match the velocity of the end of movement processing,
+			// so it must have been modified by something like a trigger.
+			InvalidateJumpstat(client);
+			gB_SpeedJustModifiedExternally[client] = true;
+			break;
+		}
+	}
+
+	return MRES_Ignored;
+}
+\ No newline at end of file