1 files changed, 145 insertions, 0 deletions
diff --git a/nGenEx/FadeView.cpp b/nGenEx/FadeView.cpp
new file mode 100644
index 0000000..3ff62f7
--- /dev/null
+++ b/nGenEx/FadeView.cpp
@@ -0,0 +1,145 @@
+/*  Project nGenEx
+    Destroyer Studios LLC
+    Copyright © 1997-2004. All Rights Reserved.
+
+    SUBSYSTEM:    nGenEx.lib
+    FILE:         FadeView.cpp
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Fading Bitmap "billboard" Image View class
+*/
+
+#include "MemDebug.h"
+#include "FadeView.h"
+#include "Color.h"
+#include "Window.h"
+#include "Video.h"
+#include "Screen.h"
+#include "Game.h"
+
+// +--------------------------------------------------------------------+
+
+FadeView::FadeView(Window* c, double in, double out, double hold)
+   : View(c),
+     fade_in(in * 1000),
+     fade_out(out * 1000),
+     hold_time(hold * 1000),
+     step_time(0),
+     fast(1),
+     time(0)
+{
+   state = StateStart;
+}
+
+FadeView::~FadeView()
+{ }
+
+// +--------------------------------------------------------------------+
+
+void FadeView::FadeIn(double in)       { fade_in   = in  * 1000; }
+void FadeView::FadeOut(double out)     { fade_out  = out * 1000; }
+void FadeView::FastFade(int fade_fast) { fast      = fade_fast;  }
+void FadeView::StopHold()
+{
+   //Print("  FadeView::StopHold()\n");
+   hold_time = 0;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+FadeView::Refresh()
+{
+   double msec = 0;
+
+   if (state == StateStart) {
+      time = Game::RealTime();
+   }
+   else if (state != StateDone) {
+      double new_time = Game::RealTime();
+      msec = new_time - time;
+      time = new_time;
+   }
+
+   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;
+   }
+}
+