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+/* 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: Light.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ Dynamic Light Source
+*/
+
+#include "MemDebug.h"
+#include "Light.h"
+#include "Scene.h"
+
+// +--------------------------------------------------------------------+
+
+int Light::id_key = 1;
+
+// +--------------------------------------------------------------------+
+
+Light::Light(float l, float dl, int time)
+: id(id_key++), type(LIGHT_POINT), life(time),
+light(l), dldt(dl), color(255,255,255),
+active(true), shadow(false), scene(0)
+{ }
+
+// +--------------------------------------------------------------------+
+
+Light::~Light()
+{ }
+
+// +--------------------------------------------------------------------+
+
+void
+Light::Update()
+{
+ if (dldt < 1.0f)
+ light *= dldt;
+
+ if (life > 0) life--;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Light::Destroy()
+{
+ if (scene)
+ scene->DelLight(this);
+
+ delete this;
+}
+
+// +--------------------------------------------------------------------+
+
+void
+Light::MoveTo(const Point& dst)
+{
+ //if (type != LIGHT_DIRECTIONAL)
+ loc = dst;
+}
+
+void
+Light::TranslateBy(const Point& ref)
+{
+ if (type != LIGHT_DIRECTIONAL)
+ loc = loc - ref;
+}