Moved Stars45 to StarsEx

1 files changed, 278 insertions, 0 deletions

diff --git a/StarsEx/LandingGear.cpp b/StarsEx/LandingGear.cpp
new file mode 100644
index 0000000..f5fa00b
--- /dev/null
+++ b/StarsEx/LandingGear.cpp
@@ -0,0 +1,278 @@
+/*  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
+    ========
+    LandingGear System class
+*/
+
+#include "LandingGear.h"
+#include "Ship.h"
+#include "Sim.h"
+#include "AudioConfig.h"
+
+#include "DataLoader.h"
+#include "Physical.h"
+#include "Scene.h"
+#include "Sound.h"
+#include "Game.h"
+#include "ContentBundle.h"
+
+static Sound* gear_transit_sound = 0;
+
+// +----------------------------------------------------------------------+
+
+LandingGear::LandingGear()
+: System(MISC_SYSTEM, 0, "Landing Gear", 1, 1, 1, 1),
+state(GEAR_UP), transit(0), ngear(0), clearance(0)
+{
+    name = ContentBundle::GetInstance()->GetText("sys.landing-gear");
+    abrv = ContentBundle::GetInstance()->GetText("sys.landing-gear.abrv");
+
+    for (int i = 0; i < MAX_GEAR; i++) {
+        models[i] = 0;
+        gear[i] = 0;
+    }
+}
+
+// +----------------------------------------------------------------------+
+
+LandingGear::LandingGear(const LandingGear& g)
+: System(g), state(GEAR_UP), transit(0), ngear(g.ngear), clearance(0)
+{
+    Mount(g);
+    SetAbbreviation(g.Abbreviation());
+    int i;
+
+    for (i = 0; i < ngear; i++) {
+        models[i] = 0;
+        gear[i]   = new Solid;
+        start[i]  = g.start[i];
+        end[i]    = g.end[i];
+
+        gear[i]->UseModel(g.models[i]);
+
+        if (clearance > end[i].y)
+        clearance = end[i].y;
+    }
+
+    while (i < MAX_GEAR) {
+        models[i] = 0;
+        gear[i]   = 0;
+        i++;
+    }
+
+    clearance += mount_rel.y;
+}
+
+// +--------------------------------------------------------------------+
+
+LandingGear::~LandingGear()
+{
+    for (int i = 0; i < MAX_GEAR; i++) {
+        delete models[i];
+
+        if (gear[i]) {
+            Solid* g = gear[i];
+
+            if (g->GetScene())
+            g->GetScene()->DelGraphic(g);
+            delete g;
+        }
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+LandingGear::Initialize()
+{
+    if (!gear_transit_sound) {
+        DataLoader* loader = DataLoader::GetLoader();
+        loader->SetDataPath("Sounds/");
+        loader->LoadSound("GearTransit.wav", gear_transit_sound);
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+LandingGear::Close()
+{
+    delete gear_transit_sound;
+    gear_transit_sound = 0;
+}
+
+// +--------------------------------------------------------------------+
+
+int
+LandingGear::AddGear(Model* m, const Point& s, const Point& e)
+{
+    if (ngear < MAX_GEAR) {
+        models[ngear] = m;
+        start[ngear]  = s;
+        end[ngear]    = e;
+
+        ngear++;
+    }
+
+    return ngear;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+LandingGear::SetState(GEAR_STATE s)
+{
+    if (state != s) {
+        state = s;
+
+        if (ship && ship == Sim::GetSim()->GetPlayerShip()) {
+            if (state == GEAR_LOWER || state == GEAR_RAISE) {
+                if (gear_transit_sound) {
+                    Sound* sound = gear_transit_sound->Duplicate();
+                    sound->SetVolume(AudioConfig::EfxVolume());
+                    sound->Play();
+                }
+            }
+        }
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+LandingGear::ExecFrame(double seconds)
+{
+    System::ExecFrame(seconds);
+
+    switch (state) {
+    case GEAR_UP:
+        transit = 0;
+        break;
+
+    case GEAR_DOWN:
+        transit = 1;
+        break;
+
+    case GEAR_LOWER:
+        if (transit < 1) {
+            transit += seconds;
+
+            Scene* s = 0;
+            if (ship && ship->Rep())
+            s = ship->Rep()->GetScene();
+
+            if (s) {
+                for (int i = 0; i < ngear; i++) {
+                    if (gear[i] && !gear[i]->GetScene()) {
+                        s->AddGraphic(gear[i]);
+                    }
+                }
+            }
+        }
+        else {
+            transit = 1;
+            state   = GEAR_DOWN;
+        }
+        break;
+
+    case GEAR_RAISE:
+        if (transit > 0) {
+            transit -= seconds;
+        }
+        else {
+            transit = 0;
+            state   = GEAR_UP;
+
+            for (int i = 0; i < ngear; i++) {
+                if (gear[i]) {
+                    Scene* s = gear[i]->GetScene();
+                    if (s) s->DelGraphic(gear[i]);
+                }
+            }
+        }
+        break;
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+void
+LandingGear::Orient(const Physical* rep)
+{
+    System::Orient(rep);
+
+    const Matrix& orientation = rep->Cam().Orientation();
+    Point         ship_loc    = rep->Location();
+
+    for (int i = 0; i < ngear; i++) {
+        Point gloc;
+        if (transit < 1)  gloc = start[i] + (end[i]-start[i])*transit;
+        else              gloc = end[i];
+
+        Point projector = (gloc * orientation) + ship_loc;
+        if (gear[i]) {
+            gear[i]->MoveTo(projector);
+            gear[i]->SetOrientation(orientation);
+        }
+    }
+}
+
+// +--------------------------------------------------------------------+
+
+Solid*
+LandingGear::GetGear(int index)
+{
+    if (index >= 0 && index < ngear) {
+        Solid* g = gear[index];
+        return g;
+    }
+
+    return 0;
+}
+
+// +--------------------------------------------------------------------+
+
+Point
+LandingGear::GetGearStop(int index)
+{
+    if (index >= 0 && index < ngear) {
+        Solid* g = gear[index];
+
+        if (g)
+        return g->Location();
+    }
+
+    return Point();
+}
+
+// +--------------------------------------------------------------------+
+
+double
+LandingGear::GetTouchDown()
+{
+    double down = 0;
+
+    if (ship) {
+        down = ship->Location().y;
+
+        if (state != GEAR_UP) {
+            for (int i = 0; i < ngear; i++) {
+                if (gear[i]) {
+                    Point stop = gear[i]->Location();
+
+                    if (stop.y < down)
+                    down = stop.y;
+                }
+            }
+        }
+    }
+
+    return down;
+}
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