From 3c487c5cd69c53d6fea948643c0a76df03516605 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Fri, 1 Apr 2022 21:23:39 +0200
Subject: Moved Stars45 to StarsEx

---
 StarsEx/NavSystem.cpp | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 StarsEx/NavSystem.cpp

(limited to 'StarsEx/NavSystem.cpp')

diff --git a/StarsEx/NavSystem.cpp b/StarsEx/NavSystem.cpp
new file mode 100644
index 0000000..da5a3d6
--- /dev/null
+++ b/StarsEx/NavSystem.cpp
@@ -0,0 +1,112 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Navigation System class implementation
+*/
+
+#include "NavSystem.h"
+#include "Ship.h"
+#include "Sim.h"
+#include "HUDSounds.h"
+#include "Button.h"
+#include "Game.h"
+#include "ContentBundle.h"
+
+// +----------------------------------------------------------------------+
+
+NavSystem::NavSystem()
+: System(COMPUTER, 2, "Auto Nav System", 1, 1,1,1),
+autonav(0)
+{
+    name = ContentBundle::GetInstance()->GetText("sys.nav-system");
+    abrv = ContentBundle::GetInstance()->GetText("sys.nav-system.abrv");
+
+    power_flags = POWER_WATTS | POWER_CRITICAL;
+}
+
+// +----------------------------------------------------------------------+
+
+NavSystem::NavSystem(const NavSystem& s)
+: System(s), autonav(0)
+{
+    Mount(s);
+
+    power_flags = POWER_WATTS | POWER_CRITICAL;
+}
+
+// +--------------------------------------------------------------------+
+
+NavSystem::~NavSystem()
+{ }
+
+// +--------------------------------------------------------------------+
+
+void
+NavSystem::ExecFrame(double seconds)
+{
+    if (autonav && ship && !ship->GetNextNavPoint())
+    autonav = false;
+
+    energy = 0.0f;
+    System::ExecFrame(seconds);
+}
+
+// +----------------------------------------------------------------------+
+
+bool
+NavSystem::AutoNavEngaged()
+{
+    return ship && autonav && IsPowerOn();
+}
+
+void
+NavSystem::EngageAutoNav()
+{
+    if (IsPowerOn() && !autonav) {
+        if (!ship->GetNextNavPoint()) {
+            Button::PlaySound(Button::SND_REJECT);
+        }
+        else {
+            HUDSounds::PlaySound(HUDSounds::SND_NAV_MODE);
+            autonav = true;
+        }
+    }
+}
+
+void
+NavSystem::DisengageAutoNav()
+{
+    if (autonav)
+    HUDSounds::PlaySound(HUDSounds::SND_NAV_MODE);
+
+    autonav = false;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+NavSystem::Distribute(double delivered_energy, double seconds)
+{
+    if (IsPowerOn()) {
+        // convert Joules to Watts:
+        energy = (float) (delivered_energy/seconds);
+
+        // brown out:
+        if (energy < capacity*0.75f)
+        power_on = false;
+
+        // spike:
+        else if (energy > capacity*1.5f) {
+            power_on = false;
+            ApplyDamage(50);
+        }
+    }
+}
+
-- 
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