From 682872514fe6eea283d5e611085760629ad71dda Mon Sep 17 00:00:00 2001
From: indy91 <indy91@users.noreply.github.com>
Date: Wed, 26 Jun 2024 17:47:25 +0200
Subject: [PATCH] Save/load state of CSM O2 hose

---
 .../samples/ProjectApollo/src_csm/ecs.cpp     | 34 +++++++++++++++++--
 .../samples/ProjectApollo/src_csm/ecs.h       |  4 +++
 .../samples/ProjectApollo/src_csm/saturn.cpp  |  8 +++++
 .../samples/ProjectApollo/src_csm/saturn.h    |  1 +
 4 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/ecs.cpp b/Orbitersdk/samples/ProjectApollo/src_csm/ecs.cpp
index 63e5c43a1e..600bd510d1 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/ecs.cpp
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/ecs.cpp
@@ -1354,6 +1354,8 @@ SaturnForwardHatch::SaturnForwardHatch(Sound &opensound, Sound &closesound) :
 {
 	open = false;
 	toggle = 0;
+	isHoseConnected = false;
+	FirstTimeStepDone = false;
 	pipe = NULL;
 	saturn = NULL;
 
@@ -1408,6 +1410,11 @@ void SaturnForwardHatch::Toggle()
 
 void SaturnForwardHatch::Timestep(double simdt) {
 
+	if (!FirstTimeStepDone) {
+		DoFirstTimeStep();
+		FirstTimeStepDone = true;
+	}
+
 	if (toggle > 0) {
 		toggle--;
 		if (toggle == 0) {
@@ -1419,19 +1426,40 @@ void SaturnForwardHatch::Timestep(double simdt) {
 	saturn->SetAnimation(anim_pressequalvlv, equalvalve_state / 3);
 }
 
+void SaturnForwardHatch::DoFirstTimeStep()
+{
+	if (isHoseConnected)
+	{
+		saturn->ConnectCSMO2Hose();
+	}
+}
+
 void SaturnForwardHatch::LoadState(char *line) {
 
-	int i1;
+	int i1, i2;
+
+	i2 = 0;
 
-	sscanf(line + 12, "%d %d", &i1, &toggle);
+	sscanf(line + 12, "%d %d %d", &i1, &toggle, &i2);
 	open = (i1 != 0);
+	isHoseConnected = (i2 != 0);
 }
 
 void SaturnForwardHatch::SaveState(FILEHANDLE scn) {
 
 	char buffer[100];
+	bool hose;
+
+	if (saturn->GetCSMO2Hose()->out != NULL)
+	{
+		hose = true;
+	}
+	else
+	{
+		hose = false;
+	}
 
-	sprintf(buffer, "%i %i", (open ? 1 : 0), toggle);
+	sprintf(buffer, "%i %i %i", (open ? 1 : 0), toggle, (hose ? 1 : 0));
 	oapiWriteScenario_string(scn, "FORWARDHATCH", buffer);
 }
 
diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/ecs.h b/Orbitersdk/samples/ProjectApollo/src_csm/ecs.h
index 3e92f1a4fb..6c2354f291 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/ecs.h
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/ecs.h
@@ -361,8 +361,12 @@ class SaturnForwardHatch
 
 	void DefineAnimationsVC(UINT idx);
 protected:
+	void DoFirstTimeStep();
+
 	bool open;
 	int toggle;
+	bool isHoseConnected; //Only used as a temporary variable to store the state of the hose connection from LoadState to clbkPostCreation, doesn't keep track of the connection after loading
+	bool FirstTimeStepDone;
 
 	Saturn *saturn;
 	h_Pipe *pipe;
diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/saturn.cpp b/Orbitersdk/samples/ProjectApollo/src_csm/saturn.cpp
index 37c6c69b4e..6b06549c9e 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/saturn.cpp
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/saturn.cpp
@@ -4903,6 +4903,14 @@ h_Pipe* Saturn::GetCSMO2Hose()
 	return (h_Pipe*)Panelsdk.GetPointerByString("HYDRAULIC:CSMTOLMO2HOSE");
 }
 
+void Saturn::ConnectCSMO2Hose()
+{
+	if (ForwardHatch.IsOpen())
+	{
+		lemECSConnector.ConnectCSMO2Hose();
+	}
+}
+
 bool Saturn::GetLMDesBatLVOn()
 {
 	return LMPowerSwitch.IsDown() && MnbLMPWR2CircuitBraker.IsPowered();
diff --git a/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h b/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h
index 4d8b0d7b92..2d9040c280 100644
--- a/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h
+++ b/Orbitersdk/samples/ProjectApollo/src_csm/saturn.h
@@ -1020,6 +1020,7 @@ class Saturn: public ProjectApolloConnectorVessel, public PanelSwitchListener {
 	//CSM to LM interface functions
 	h_Pipe* GetCMTunnelPipe() { return CMTunnel; }
 	h_Pipe* GetCSMO2Hose();
+	void ConnectCSMO2Hose();
 	void ConnectTunnelToCabinVent();
 	bool GetLMDesBatLVOn();
 	bool GetLMDesBatLVHVOffA();