Moved Stars45 to StarsEx

1 files changed, 133 insertions, 0 deletions

diff --git a/StarsEx/FadeView.cpp b/StarsEx/FadeView.cpp
new file mode 100644
index 0000000..7abb3bc
--- /dev/null
+++ b/StarsEx/FadeView.cpp
@@ -0,0 +1,133 @@
+/*  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
+    ========
+    Fading Bitmap "billboard" Image View class
+*/
+
+#include "FadeView.h"
+#include "Color.h"
+#include "Window.h"
+#include "Video.h"
+#include "Screen.h"
+#include "Clock.h"
+
+// +--------------------------------------------------------------------+
+
+FadeView::FadeView(Window* c, double in, double out, double hold)
+: View(c),
+fade_in(in),
+fade_out(out),
+hold_time(hold),
+step_time(0),
+fast(1)
+{
+    state = StateStart;
+}
+
+FadeView::~FadeView()
+{ }
+
+// +--------------------------------------------------------------------+
+
+void FadeView::FastFade(int fade_fast) { fast = fade_fast; }
+void FadeView::FadeIn(double in)       { fade_in = in; }
+void FadeView::FadeOut(double out)     { fade_out = out; }
+void FadeView::StopHold()
+{
+    //Print("  FadeView::StopHold()\n");
+    hold_time = 0;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+FadeView::Refresh()
+{
+    double msec = Clock::GetInstance()->GuiDelta();
+
+    switch (state) {
+    case StateStart:
+        if (fade_in) {
+            //Print("  *  FadeView: %f, %f, %f\n", fade_in, fade_out, hold_time);
+            Color::SetFade(0);
+            //Print("  1. FadeView SetFade to   0  (%6.1f)\n", time);
+        }
+
+        step_time = 0;
+        state = State2;
+        break;
+
+    case State2:
+        if (fade_in) {
+            Color::SetFade(0);
+            //Print("  1. FadeView SetFade to   0  (%6.1f)\n", time);
+        }
+
+        step_time = 0;
+        state = StateIn;
+        break;
+
+    case StateIn:
+        if (step_time < fade_in) {
+            double fade = step_time / fade_in;
+            Color::SetFade(fade);
+            //Print("  2. FadeView SetFade to %3d  (%6.1f) %6.1f\n", (int) (fade * 100), time, step_time);
+            step_time += msec;
+        }
+        else {
+            Color::SetFade(1);
+            //Print("  2. FadeView SetFade to %3d  (%6.1f) %6.1f => HOLDING\n", 100, time, step_time);
+            step_time = 0;
+            state = StateHold;
+        }
+        break;
+
+    case StateHold:
+        if (step_time < hold_time) {
+            step_time += msec;
+            //Print("  3. FadeView holding at %3d  (%6.1f) %6.1f\n", 100, time, step_time);
+        }
+        else {
+            //Print("  3. FadeView HOLD COMPLETE   (%6.1f) %6.1f\n", time, step_time);
+            step_time = 0;
+            state = StateOut;
+        }
+        break;
+
+    case StateOut:
+        if (fade_out > 0) {
+            if (step_time < fade_out) {
+                double fade = 1 - step_time / fade_out;
+                Color::SetFade(fade);
+                //Print("  4. FadeView SetFade to %3d  (%6.1f) %6.1f\n", (int) (fade*100), time, step_time);
+                step_time += msec;
+            }
+            else {
+                Color::SetFade(0);
+                //Print("  4. FadeView SetFade to %3d  (%6.1f) %6.1f\n", 0, time, step_time);
+                step_time = 0;
+                state = StateDone;
+            }
+        }
+        else {
+            Color::SetFade(1);
+            //Print("  4. FadeView SetFade to %3d  (%6.1f) %6.1f\n", 0, time, step_time);
+            step_time = 0;
+            state = StateDone;
+        }
+        break;
+
+    default:
+    case StateDone:
+        //Print("  5. FadeView done  (%6.1f) %6.1f\n", time, step_time);
+        break;
+    }
+}
+