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141 lines
4.4 KiB
141 lines
4.4 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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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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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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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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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef plShadowCaster_inc |
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#define plShadowCaster_inc |
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#include "pnModifier/plMultiModifier.h" |
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#include "hsBounds.h" |
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#include "hsTemplates.h" |
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class plDrawableSpans; |
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class plSpan; |
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class plMessage; |
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class hsStream; |
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class hsResMgr; |
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class plShadowMaster; |
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class plRenderMsg; |
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class plShadowCaster : public plMultiModifier |
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{ |
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public: |
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enum { |
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kNone = 0x0, |
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kSelfShadow = 0x1, |
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kPerspective = 0x2, |
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kLimitRes = 0x4 |
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}; |
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class DrawSpan |
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{ |
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public: |
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DrawSpan& Set(plDrawableSpans* dr, const plSpan* sp, UInt32 idx) { fDraw = (dr); fSpan = (sp); fIndex = (idx); return *this; } |
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plDrawableSpans* fDraw; |
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const plSpan* fSpan; |
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UInt32 fIndex; |
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}; |
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protected: |
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// Global state to just turn off the whole gig. Not just |
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// debugging, we'll probably want a user option for this. |
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static hsBool fShadowCastDisabled; |
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static hsBool fCanShadowCast; |
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// Properties really just to be read and written, |
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// never expected to change. Anything that might be |
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// triggered should go into plMultiModifier::fProps, |
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// to be network synced. |
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UInt8 fCastFlags; |
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hsScalar fBoost; |
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hsScalar fAttenScale; |
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hsScalar fBlurScale; |
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// Casting attributes calculated each frame. |
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hsScalar fMaxOpacity; |
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hsTArray<DrawSpan> fSpans; |
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friend plShadowMaster; |
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void ICollectAllSpans(); |
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hsBool IOnRenderMsg(plRenderMsg* msg); |
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friend class plDXPipeline; |
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static void SetCanShadowCast(hsBool b) { fCanShadowCast = b; } |
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public: |
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plShadowCaster(); |
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virtual ~plShadowCaster(); |
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CLASSNAME_REGISTER( plShadowCaster ); |
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GETINTERFACE_ANY( plShadowCaster, plMultiModifier ); |
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virtual hsBool IEval(double secs, hsScalar del, UInt32 dirty) { return true; } |
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virtual hsBool MsgReceive(plMessage* msg); |
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virtual void Read(hsStream* stream, hsResMgr* mgr); |
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virtual void Write(hsStream* stream, hsResMgr* mgr); |
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hsScalar MaxOpacity() const { return fMaxOpacity; } |
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const hsTArray<DrawSpan>& Spans() const { return fSpans; } |
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hsBool GetSelfShadow() const { return 0 != (fCastFlags & kSelfShadow); } |
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void SetSelfShadow(hsBool on) { if(on) fCastFlags |= kSelfShadow; else fCastFlags &= ~kSelfShadow; } |
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hsBool GetPerspective() const { return 0 != (fCastFlags & kPerspective); } |
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void SetPerspective(hsBool on) { if(on) fCastFlags |= kPerspective; else fCastFlags &= ~kPerspective; } |
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hsBool GetLimitRes() const { return 0 != (fCastFlags & kLimitRes); } |
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void SetLimitRes(hsBool on) { if(on) fCastFlags |= kLimitRes; else fCastFlags &= ~kLimitRes; } |
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hsScalar GetAttenScale() const { return fAttenScale; } |
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void SetAttenScale(hsScalar s) { fAttenScale = s; } |
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hsScalar GetBlurScale() const { return fBlurScale; } |
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void SetBlurScale(hsScalar s) { fBlurScale = s; } |
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hsScalar GetBoost() const { return fBoost; } |
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void SetBoost(hsScalar s) { fBoost = s; } |
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// These are usually handled internally, activating on read and deactivating |
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// on destruct. Made public in case they need to be manually handled, like |
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// on dynamic construction and use. |
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void Deactivate() const; |
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void Activate() const; |
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static void DisableShadowCast(hsBool on=true) { fShadowCastDisabled = on; } |
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static void EnableShadowCast(hsBool on=true) { fShadowCastDisabled = !on; } |
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static void ToggleShadowCast() { fShadowCastDisabled = !fShadowCastDisabled; } |
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static hsBool ShadowCastDisabled() { return !CanShadowCast() || fShadowCastDisabled; } |
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static hsBool CanShadowCast() { return fCanShadowCast; } |
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}; |
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typedef plShadowCaster::DrawSpan plShadowCastSpan; |
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#endif // plShadowCaster_inc
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