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Initial commit of Command & Conquer Renegade source code.
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LFeenanEA
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Code/wwphys/materialeffect.h
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140
Code/wwphys/materialeffect.h
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/*
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** Command & Conquer Renegade(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : wwphys *
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* *
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* $Archive:: /Commando/Code/wwphys/materialeffect.h $*
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* *
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* Original Author:: Greg Hjelstrom *
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* *
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* $Author:: Greg_h $*
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* *
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* $Modtime:: 12/07/01 2:43p $*
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* *
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* $Revision:: 3 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#ifndef MATERIALEFFECT_H
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#define MATERIALEFFECT_H
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#include "always.h"
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#include "multilist.h"
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#include "refcount.h"
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class PhysClass;
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class RenderInfoClass;
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class MaterialPassClass;
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/**
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** MaterialEffectClass
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** This class is an abstract base class for any kind of "extra pass" material effect. Phys objects
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** support a list of these effects being added to them and will push and pop the effects during
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** rendering. For "transient" effects like shadows, the auto-remove flag can be enabled which
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** will cause the physics object to un-link the effect after rendering is complete.
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**
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** NOTES:
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**
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** I need to abstract the differences between the stealth effect and things like texture projections
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** and shadows. By clumping all of the stealth effect stuff into an external class, we'll be able
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** to apply it both to the character and any other models like his first person hands, etc. By
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** unifying texture projectors and these new types of effects, we can just upgrade the list
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** that is already present in all PhysClass's.
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**
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** This means that when shadows are linked onto render objects, they will need to be wrapped by
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** a class derived from this new abstract base class. We'll probably want to recycle the wrappers
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** since shadows are re-attached every frame. This also means that the wrapper needs an auto-remove
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** flag so the phys object can discard it after rendering is complete if necessary.
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**
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** If we want to also use the stealth object for game logic, we need to ensure that its internal
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** variables update even when it doesn't get rendered. The PhysClass could timestep all of the
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** currently attached material effects. The only ones attached during timestep would be the
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** "persistant" ones...
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**
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*/
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class MaterialEffectClass : public MultiListObjectClass, public RefCountClass
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{
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public:
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MaterialEffectClass(void);
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virtual ~MaterialEffectClass(void);
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void Enable_Auto_Remove(bool onoff) { AutoRemoveEnabled = onoff; }
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bool Is_Auto_Remove_Enabled(void) { return AutoRemoveEnabled; }
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void Enable_Suppress_Shadows(bool onoff) { SuppressShadows = onoff; }
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bool Are_Shadows_Suppressed(void) { return SuppressShadows; }
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virtual void Timestep(float dt) { }
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virtual void Render_Push(RenderInfoClass & rinfo,PhysClass * obj) = 0;
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virtual void Render_Pop(RenderInfoClass & rinfo) = 0;
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static void Timestep_All_Effects(float dt);
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private:
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bool AutoRemoveEnabled;
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bool SuppressShadows;
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};
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/**
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** SimpleEffectClass
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** This is a material effect object which simply causes a material pass to be added. The texture
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** projection system uses this in "Auto Remove" mode to simply get the shadow pass applied to
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** each object that the shadow falls on. These objects are Auto-Pooled for fast allocation and
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** de-allocation so the user cannot derive a class from SimpleEffectClass.
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*/
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#define SIMPLE_EFFECT_GROWTH_STEP 256
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class SimpleEffectClass : public MaterialEffectClass , public AutoPoolClass<SimpleEffectClass,SIMPLE_EFFECT_GROWTH_STEP>
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{
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public:
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SimpleEffectClass(MaterialPassClass * matpass);
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~SimpleEffectClass(void);
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virtual void Render_Push(RenderInfoClass & rinfo,PhysClass * obj);
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virtual void Render_Pop(RenderInfoClass & rinfo);
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private:
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MaterialPassClass * MatPass;
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};
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#endif //MATERIALEFFECT_H
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