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242 lines
6.7 KiB
242 lines
6.7 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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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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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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#include "hsTypes.h" |
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#include "hsMemory.h" |
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#include "hsSfxGlobalShade.h" |
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#include "hsStream.h" |
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//#include "../plPipeline/hsG3DDevice.h" |
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#include "../plPipeline/plPipeline.h" |
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#include "../plGLight/hsGProjector3.h" |
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#include "../plSurface/hsGLayer.h" |
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#include "../plSurface/hsGMaterial.h" |
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#include "../plDrawable/plDrawable.h" |
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#include "../plIntersect/hsBounds.h" |
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void hsSfxGlobalShade::ISetIntensity(hsPoint3& pos) |
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{ |
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if( fGSFlags & kFromFog ) |
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ISetFromFog(pos); |
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else |
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if( fGSFlags & kFromClear ) |
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ISetFromClear(pos); |
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else |
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if( fGSFlags & kFromLights ) |
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ISetFromLights(pos); |
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fIntensity.a = hsMaximum(fIntensity.r, hsMaximum(fIntensity.g, fIntensity.b)); |
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} |
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void hsSfxGlobalShade::ISetFromClear(hsPoint3& pos) |
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{ |
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fIntensity.Set(0,0,0,0); |
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#if 0 // Taken out 2.26.2001 mcn 'cause it accesses the (now defunct) 3DDevice directly |
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hsG3DDevice* dev = fPipeline->Get3DDevice(); |
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hsGEnvironment* env = dev->GetEnvironment(); |
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if( env && (env->GetFlags() & hsGEnvironment::kClearColorSet) ) |
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{ |
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fIntensity = env->GetClearColor(); |
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} |
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#endif |
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} |
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void hsSfxGlobalShade::ISetFromFog(hsPoint3& pos) |
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{ |
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fIntensity.Set(0,0,0,0); |
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#if 0 // Taken out 2.26.2001 mcn 'cause it accesses the (now defunct) 3DDevice directly |
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hsG3DDevice* dev = fPipeline->Get3DDevice(); |
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hsGEnvironment* env = dev->GetEnvironment(); |
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if( env && (env->GetFlags() & hsGEnvironment::kFogColorSet) ) |
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{ |
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fIntensity = env->GetFogColor(); |
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} |
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#endif |
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} |
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void hsSfxGlobalShade::ISetFromLights(hsPoint3& pos) |
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{ |
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fIntensity = ISumLights(pos); |
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} |
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hsColorRGBA hsSfxGlobalShade::ISumLights(hsPoint3& pos) |
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{ |
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hsColorRGBA accum; |
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accum.Set(0,0,0,0); |
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#if 0 // Taken out 2.26.2001 mcn 'cause it accesses the (now defunct) 3DDevice directly |
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hsG3DDevice* dev = fPipeline->Get3DDevice(); |
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for( dev->FirstProjector(); dev->MoreProjectors(); dev->IncProjector() ) |
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{ |
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hsGProjector3* proj = dev->CurrProjector(); |
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if( proj->IsOmni() ) |
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{ |
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hsScalar intensity = proj->AttenuatePoint(&pos) * proj->GetIntensity(); |
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if( intensity > 0.f ) |
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{ |
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hsColorRGBA col = intensity * proj->GetLightColor(); |
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accum += col; |
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} |
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} |
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else |
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if( proj->IsPerspective() ) // spot |
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{ |
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hsPoint4 ang; |
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UInt32 clips; |
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proj->GetNdcPoints(1, &pos, sizeof(pos), &ang, kClipAll, &clips); |
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if( !clips |
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|| !( proj->IsAttenuated() || proj->AttenuatesAlpha() || (clips & ~kClipYon) ) |
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) |
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{ |
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hsScalar intensity = proj->AttenuatePoint(&pos) * proj->GetIntensity(); |
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if( intensity > 0.f ) |
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{ |
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hsColorRGBA col = intensity * proj->GetLightColor(); |
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accum += col; |
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} |
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} |
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} |
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else // directional |
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{ |
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hsColorRGBA col = proj->GetIntensity() * proj->GetLightColor(); |
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accum += col; |
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} |
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} |
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#endif |
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return accum; |
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} |
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void hsSfxGlobalShade::ProcessPreInterpShadeVerts(hsExpander<hsGShadeVertex*>& vList) |
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{ |
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if( fCurrentLayer ) |
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{ |
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if( fGSFlags & kAffectDiffuse ) |
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fCurrentLayer->SetColor(fRestoreColor.r, fRestoreColor.g, fRestoreColor.b, fRestoreColor.a); |
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else |
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fCurrentLayer->SetAmbientColor(fRestoreColor.r, fRestoreColor.g, fRestoreColor.b, fRestoreColor.a); |
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} |
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#if 0 // Taken out 2.26.2001 mcn 'cause it accesses the (now defunct) 3DDevice directly |
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hsG3DDevice* dev = fPipeline->Get3DDevice(); |
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hsRefCnt_SafeAssign(fCurrentLayer, dev->GetCurrentLayer()); |
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if( fCurrentLayer ) |
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{ |
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fRestoreColor = fGSFlags & kAffectDiffuse ? fCurrentLayer->GetColor() : fCurrentLayer->GetAmbientColor(); |
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hsColorRGBA col = fAmbient; |
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if( fGSFlags & kScalarIntensity ) |
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{ |
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col.r += fDiffuse.r * fIntensity.a; |
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col.g += fDiffuse.g * fIntensity.a; |
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col.b += fDiffuse.b * fIntensity.a; |
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} |
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else |
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{ |
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col.r += fDiffuse.r * fIntensity.r; |
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col.g += fDiffuse.g * fIntensity.g; |
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col.b += fDiffuse.b * fIntensity.b; |
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} |
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if( fGSFlags & kAffectDiffuse ) |
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fCurrentLayer->SetColor(col.r, col.g, col.b, fRestoreColor.a); |
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else |
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fCurrentLayer->SetAmbientColor(col.r, col.g, col.b, fRestoreColor.a); |
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} |
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#endif |
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} |
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hsBool32 hsSfxGlobalShade::BeginObject(plPipeline* pipe, plDrawable* obj) |
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{ |
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hsBool32 retVal = hsGRenderProcs::BeginObject(pipe, obj); |
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const hsBounds3Ext& bnd = obj->GetLocalBounds(); |
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hsPoint3 pos = bnd.GetCenter(); |
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ISetIntensity(pos); |
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return retVal; |
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} |
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void hsSfxGlobalShade::EndObject() |
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{ |
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hsGRenderProcs::EndObject(); |
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if( fCurrentLayer ) |
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{ |
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if( fGSFlags & kAffectDiffuse ) |
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fCurrentLayer->SetColor(fRestoreColor.r, fRestoreColor.g, fRestoreColor.b, fRestoreColor.a); |
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else |
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fCurrentLayer->SetAmbientColor(fRestoreColor.r, fRestoreColor.g, fRestoreColor.b, fRestoreColor.a); |
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hsRefCnt_SafeUnRef(fCurrentLayer); |
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fCurrentLayer = nil; |
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} |
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} |
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void hsSfxGlobalShade::Read(hsStream* s) |
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{ |
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fGSFlags = s->ReadSwap32(); |
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fAmbient.Read(s); |
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fDiffuse.Read(s); |
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if( fGSFlags & kFromLights ) |
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fGSFlags |= kAffectDiffuse; |
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} |
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void hsSfxGlobalShade::Write(hsStream* s) |
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{ |
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s->WriteSwap32(fGSFlags); |
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fAmbient.Write(s); |
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fDiffuse.Write(s); |
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} |
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hsSfxGlobalShade::hsSfxGlobalShade() |
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{ |
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fCurrentLayer = nil; |
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fGSFlags = 0; |
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fAmbient.Set(0,0,0,0); |
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fDiffuse.Set(1.f,1.f,1.f,1.f); |
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} |
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hsSfxGlobalShade::~hsSfxGlobalShade() |
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{ |
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hsRefCnt_SafeUnRef(fCurrentLayer); // should be nil anyway unless we're destroyed during processing |
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} |
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