Implement fogball class

src/CMakeLists.txt

@@ -861,6 +861,7 @@ set (PCH_SOURCES
 	playsim/mapthinkers/dsectoreffect.cpp
 	playsim/a_pickups.cpp
 	playsim/a_action.cpp
+	playsim/a_fogball.cpp
 	playsim/a_decals.cpp
 	playsim/a_dynlight.cpp
 	playsim/a_flashfader.cpp

src/playsim/a_fogball.cpp

@@ -0,0 +1,30 @@
+/*
+**  Volumetric fog spheres AKA fogballs
+**  Copyright (c) 2023 Nash Muhandes, Magnus Norddahl
+**
+**  This software is provided 'as-is', without any express or implied
+**  warranty.  In no event will the authors be held liable for any damages
+**  arising from the use of this software.
+**
+**  Permission is granted to anyone to use this software for any purpose,
+**  including commercial applications, and to alter it and redistribute it
+**  freely, subject to the following restrictions:
+**
+**  1. The origin of this software must not be misrepresented; you must not
+**     claim that you wrote the original software. If you use this software
+**     in a product, an acknowledgment in the product documentation would be
+**     appreciated but is not required.
+**  2. Altered source versions must be plainly marked as such, and must not be
+**     misrepresented as being the original software.
+**  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "actor.h"
+#include "a_fogball.h"
+
+IMPLEMENT_CLASS(AFogball, false, false)
+
+void AFogball::Tick()
+{
+	Super::Tick();
+}

src/playsim/a_fogball.h

@@ -0,0 +1,32 @@
+/*
+**  Volumetric fog spheres AKA fogballs
+**  Copyright (c) 2023 Nash Muhandes, Magnus Norddahl
+**
+**  This software is provided 'as-is', without any express or implied
+**  warranty.  In no event will the authors be held liable for any damages
+**  arising from the use of this software.
+**
+**  Permission is granted to anyone to use this software for any purpose,
+**  including commercial applications, and to alter it and redistribute it
+**  freely, subject to the following restrictions:
+**
+**  1. The origin of this software must not be misrepresented; you must not
+**     claim that you wrote the original software. If you use this software
+**     in a product, an acknowledgment in the product documentation would be
+**     appreciated but is not required.
+**  2. Altered source versions must be plainly marked as such, and must not be
+**     misrepresented as being the original software.
+**  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#pragma once
+
+#include "actor.h"
+
+class AFogball : public AActor
+{
+	DECLARE_CLASS(AFogball, AActor)
+
+public:
+	void Tick();
+};

wadsrc/static/zscript.txt

@@ -95,6 +95,7 @@ version "4.12"
 #include "zscript/actors/shared/randomspawner.zs"
 #include "zscript/actors/shared/dynlights.zs"
 #include "zscript/actors/shared/corona.zs"
+#include "zscript/actors/shared/fogball.zs"
 
 #include "zscript/actors/doom/doomplayer.zs"
 #include "zscript/actors/doom/possessed.zs"

wadsrc/static/zscript/actors/shared/fogball.zs

@@ -0,0 +1,8 @@
+class Fogball : Actor native
+{
+	Default
+	{
+		RenderRadius 128.0;
+		+NOINTERACTION
+	}
+}