From 966fe28c59f59fc8be795c8215b9352435982445 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Thu, 30 Sep 2021 16:46:36 +0200
Subject: Merged nGenEx and Parser into Stars45

---
 Stars45/Shadow.h | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 Stars45/Shadow.h

(limited to 'Stars45/Shadow.h')

diff --git a/Stars45/Shadow.h b/Stars45/Shadow.h
new file mode 100644
index 0000000..b6d690c
--- /dev/null
+++ b/Stars45/Shadow.h
@@ -0,0 +1,94 @@
+/*  Starshatter OpenSource Distribution
+    Copyright (c) 1997-2004, Destroyer Studios LLC.
+    All Rights Reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name "Destroyer Studios" nor the names of its contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+    SUBSYSTEM:    nGenEx.lib
+    FILE:         Shadow.h
+    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
+
-- 
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