Moved Stars45 to StarsEx

1 files changed, 69 insertions, 0 deletions

diff --git a/StarsEx/Shadow.h b/StarsEx/Shadow.h
new file mode 100644
index 0000000..5427f64
--- /dev/null
+++ b/StarsEx/Shadow.h
@@ -0,0 +1,69 @@
+/*  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
+    ========
+    Dynamic Stencil Shadow Volumes
+*/
+
+#ifndef Shadow_h
+#define Shadow_h
+
+#include "Geometry.h"
+#include "Color.h"
+
+// +--------------------------------------------------------------------+
+
+#define Shadow_DESTROY(x) if (x) { x->Destroy(); x = 0; }
+
+// +--------------------------------------------------------------------+
+
+class Light;
+class Scene;
+class Solid;
+class Video;
+
+// +--------------------------------------------------------------------+
+
+class Shadow
+{
+public:
+    static const char* TYPENAME() { return "Shadow"; }
+
+    Shadow(Solid* solid);
+    virtual ~Shadow();
+
+    int operator == (const Shadow& s) const { return this == &s; }
+
+    // operations
+    void     Render(Video* video);
+    void     Update(Light* light);
+    void     AddEdge(WORD v1, WORD v2);
+    void     Reset();
+
+    bool     IsEnabled()          const { return enabled; }
+    void     SetEnabled(bool e)         { enabled = e;    }
+
+    static void SetVisibleShadowVolumes(bool vis);
+    static bool GetVisibleShadowVolumes();
+
+protected:
+    Solid*   solid;
+    Vec3*    verts;
+    int      nverts;
+    int      max_verts;
+    bool     enabled;
+
+    WORD*    edges;
+    DWORD    num_edges;
+};
+
+// +--------------------------------------------------------------------+
+
+#endif  // Shadow_h
+