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636 lines
18 KiB
636 lines
18 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 "plParticleMtl.h" |
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#include "../resource.h" |
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//extern ClassDesc2* GetMaxLayerDesc(); |
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#include "../Shaders.h" |
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#include "iparamm2.h" |
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#include "MaxMain/plPlasmaRefMsgs.h" |
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#include "../plBMSampler.h" |
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#include "stdmat.h" |
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#include "../Layers/plLayerTex.h" |
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#include "../Layers/plLayerTexBitmapPB.h" |
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extern HINSTANCE hInstance; |
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class plParticleMtlClassDesc : public ClassDesc2 |
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{ |
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public: |
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int IsPublic() { return TRUE; } |
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void* Create(BOOL loading) { return TRACKED_NEW plParticleMtl(loading); } |
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const TCHAR* ClassName() { return GetString(IDS_PARTICLE_MTL); } |
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SClass_ID SuperClassID() { return MATERIAL_CLASS_ID; } |
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Class_ID ClassID() { return PARTICLE_MTL_CLASS_ID; } |
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const TCHAR* Category() { return NULL; } |
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const TCHAR* InternalName() { return _T("ParticleMaterial"); } |
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HINSTANCE HInstance() { return hInstance; } |
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}; |
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static plParticleMtlClassDesc plParticleMtlDesc; |
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ClassDesc2* GetParticleMtlDesc() { return &plParticleMtlDesc; } |
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// For initializing paramblock descriptor |
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ParamBlockDesc2 *GetParticlePB(); |
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#include "plParticleMtlPBDec.h" |
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const char *plParticleMtl::NormalStrings[] = // Make sure these match up in order with the Normal enum (in the header) |
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{ |
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"Normal: View Facing", |
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"Normal: Up", |
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"Normal: Nearest Light", |
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"Normal: From Center", |
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"Normal: Vel x Up x Vel", |
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"Emissive" |
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}; |
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plParticleMtl::plParticleMtl(BOOL loading) : fBasicPB(NULL)//, fBM(NULL), fUVGen(NULL) |
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{ |
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#if 0 // This wasn't working on load |
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// Initialize the paramblock descriptors only once |
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static bool descInit = false; |
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if (!descInit) |
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{ |
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descInit = true; |
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GetParticlePB()->SetClassDesc(GetParticleMtlDesc()); |
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} |
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#endif |
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plParticleMtlDesc.MakeAutoParamBlocks(this); |
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// if (!loading) |
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{ |
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Reset(); |
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plLayerTex *tex = TRACKED_NEW plLayerTex; |
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//tex->GetParamBlockByID(kBlkBasic)->SetValue(kBmpUseBitmap, 0, 1); |
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fBasicPB->SetValue(kTexmap, 0, tex); |
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} |
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//fUVGen = GetNewDefaultUVGen(); |
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} |
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void plParticleMtl::Reset() |
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{ |
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fIValid.SetEmpty(); |
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} |
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ParamDlg* plParticleMtl::CreateParamDlg(HWND hwMtlEdit, IMtlParams *imp) |
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{ |
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fIMtlParams = imp; |
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IAutoMParamDlg* masterDlg = plParticleMtlDesc.CreateParamDlgs(hwMtlEdit, imp, this); |
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return (ParamDlg*)masterDlg; |
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} |
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BOOL plParticleMtl::SetDlgThing(ParamDlg* dlg) |
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{ |
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return FALSE; |
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} |
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Interval plParticleMtl::Validity(TimeValue t) |
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{ |
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#if 0 // mf horse |
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Interval valid = FOREVER; |
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/* for (int i = 0; i < fSubTexmap.Count(); i++) |
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{ |
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if (fSubTexmap[i]) |
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valid &= fSubTexmap[i]->Validity(t); |
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} |
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*/ |
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// float u; |
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// fPBlock->GetValue(pb_spin,t,u,valid); |
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return valid; |
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#else // mf horse |
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const char* name = GetName(); |
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// mf horse - Hacking in something like real validity checking |
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// to get material animations working. No warranty, this is just |
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// better than nothing. |
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Interval v = FOREVER; |
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fBasicPB->GetValidity(t, v); |
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return v; |
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#endif // mf horse |
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} |
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/*===========================================================================*\ |
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| Subanim & References support |
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\*===========================================================================*/ |
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int plParticleMtl::NumSubs() |
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{ |
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return 2; |
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} |
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TSTR plParticleMtl::SubAnimName(int i) |
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{ |
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switch (i) |
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{ |
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case 0: return fBasicPB->GetLocalName(); |
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case 1: return "Texmap"; |
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} |
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return ""; |
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} |
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Animatable* plParticleMtl::SubAnim(int i) |
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{ |
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switch (i) |
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{ |
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case 0: return fBasicPB; |
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case 1: return fBasicPB->GetTexmap(kTexmap); |
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} |
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return NULL; |
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} |
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int plParticleMtl::NumRefs() |
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{ |
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return 1; |
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} |
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RefTargetHandle plParticleMtl::GetReference(int i) |
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{ |
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switch (i) |
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{ |
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case kRefBasic: return fBasicPB; |
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} |
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return NULL; |
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} |
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void plParticleMtl::SetReference(int i, RefTargetHandle rtarg) |
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{ |
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if (i == kRefBasic) |
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fBasicPB = (IParamBlock2 *)rtarg; |
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} |
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int plParticleMtl::NumParamBlocks() |
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{ |
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return 1; |
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} |
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IParamBlock2* plParticleMtl::GetParamBlock(int i) |
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{ |
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return (IParamBlock2*)GetReference(i); |
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} |
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IParamBlock2* plParticleMtl::GetParamBlockByID(BlockID id) |
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{ |
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if (fBasicPB->ID() == id) |
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return fBasicPB; |
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return NULL; |
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} |
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RefResult plParticleMtl::NotifyRefChanged(Interval changeInt, RefTargetHandle hTarget, PartID& partID, RefMessage message) |
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{ |
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switch (message) |
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{ |
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case REFMSG_CHANGE: |
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fIValid.SetEmpty(); |
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// see if this message came from a changing parameter in the pblock, |
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// if so, limit rollout update to the changing item |
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if (hTarget == fBasicPB) |
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{ |
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IParamBlock2 *pb = (IParamBlock2*)hTarget; |
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ParamID changingParam = pb->LastNotifyParamID(); |
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pb->GetDesc()->InvalidateUI(changingParam); |
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// And let the SceneWatcher know that the material on some of it's |
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// referenced objects changed. |
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NotifyDependents(FOREVER, PART_ALL, REFMSG_USER_MAT); |
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} |
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break; |
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} |
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return REF_SUCCEED; |
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} |
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//////////////////////////////////////////////////////////////////////////////// |
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// Subtexmap access |
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int plParticleMtl::NumSubTexmaps() |
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{ |
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return 1; |
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} |
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Texmap* plParticleMtl::GetSubTexmap(int i) |
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{ |
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if (i == 0) |
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return fBasicPB->GetTexmap(kTexmap); |
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return NULL; |
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} |
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void plParticleMtl::SetSubTexmap(int i, Texmap *m) |
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{ |
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if (i == 0) |
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fBasicPB->SetValue(kTexmap, 0, m); |
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} |
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TSTR plParticleMtl::GetSubTexmapSlotName(int i) |
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{ |
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if (i == 0) |
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return "Texmap"; |
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return ""; |
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} |
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TSTR plParticleMtl::GetSubTexmapTVName(int i) |
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{ |
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return GetSubTexmapSlotName(i); |
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} |
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/*===========================================================================*\ |
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| Standard IO |
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\*===========================================================================*/ |
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#define MTL_HDR_CHUNK 0x4000 |
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IOResult plParticleMtl::Save(ISave *isave) |
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{ |
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IOResult res; |
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isave->BeginChunk(MTL_HDR_CHUNK); |
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res = MtlBase::Save(isave); |
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if (res!=IO_OK) return res; |
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isave->EndChunk(); |
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return IO_OK; |
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} |
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IOResult plParticleMtl::Load(ILoad *iload) |
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{ |
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IOResult res; |
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int id; |
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while (IO_OK==(res=iload->OpenChunk())) |
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{ |
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switch(id = iload->CurChunkID()) |
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{ |
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case MTL_HDR_CHUNK: |
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res = MtlBase::Load(iload); |
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break; |
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} |
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iload->CloseChunk(); |
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if (res!=IO_OK) |
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return res; |
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} |
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return IO_OK; |
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} |
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/*===========================================================================*\ |
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| Updating and cloning |
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\*===========================================================================*/ |
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RefTargetHandle plParticleMtl::Clone(RemapDir &remap) |
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{ |
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plParticleMtl *mnew = TRACKED_NEW plParticleMtl(FALSE); |
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*((MtlBase*)mnew) = *((MtlBase*)this); |
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mnew->ReplaceReference(kRefBasic, remap.CloneRef(fBasicPB)); |
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BaseClone(this, mnew, remap); |
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mnew->fIValid.SetEmpty(); |
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return (RefTargetHandle)mnew; |
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} |
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void plParticleMtl::NotifyChanged() |
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{ |
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NotifyDependents(FOREVER, PART_ALL, REFMSG_CHANGE); |
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} |
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void plParticleMtl::Update(TimeValue t, Interval& valid) |
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{ |
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//StdUVGen *gen = (StdUVGen *)fUVGen; |
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//gen->SetUScl(1.0f, t); |
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//gen->SetVScl(1.0f, t); |
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//gen->Update(t, fIValid); |
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valid &= fIValid; |
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} |
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/*===========================================================================*\ |
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| Determine the characteristics of the material |
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\*===========================================================================*/ |
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void plParticleMtl::SetAmbient(Color c, TimeValue t) {} |
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void plParticleMtl::SetDiffuse(Color c, TimeValue t) {} |
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void plParticleMtl::SetSpecular(Color c, TimeValue t) {} |
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void plParticleMtl::SetShininess(float v, TimeValue t) {} |
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Color plParticleMtl::GetAmbient(int mtlNum, BOOL backFace) { return Color(0,0,0); } |
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Color plParticleMtl::GetDiffuse(int mtlNum, BOOL backFace) { return Color(0,0,0); } |
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Color plParticleMtl::GetSpecular(int mtlNum, BOOL backFace) { return Color(0,0,0); } |
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float plParticleMtl::GetXParency(int mtlNum, BOOL backFace) |
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{ |
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int opacity = fBasicPB->GetInt( kOpacity, 0 ); |
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float alpha = 1.0f - ( (float)opacity / 100.0f ); |
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return alpha; |
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} |
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float plParticleMtl::GetShininess(int mtlNum, BOOL backFace) { return 0.0f; } |
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float plParticleMtl::GetShinStr(int mtlNum, BOOL backFace) { return 0.0f; } |
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float plParticleMtl::WireSize(int mtlNum, BOOL backFace) { return 0.0f; } |
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///////////////////////////////////////////////////////////////// |
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void plParticleMtl::SetupGfxMultiMaps(TimeValue t, Material *mtl, MtlMakerCallback &cb) |
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{ |
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#if 0 |
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if (texHandleValid.InInterval(t)) { |
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mtl->texture.SetCount(numTexHandlesUsed); |
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for (int i=0; i<numTexHandlesUsed; i++) { |
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if (texHandle[i]) { |
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mtl->texture[i].textHandle = texHandle[i]->GetHandle(); |
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Texmap *tx = (*maps)[useSubForTex[i]].map; |
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cb.GetGfxTexInfoFromTexmap(t, mtl->texture[i], tx ); |
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SetTexOps(mtl,i,texOpsType[i]); |
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} |
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} |
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return; |
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} |
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#endif |
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#if 0 // WTF?!?!?!? |
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Texmap *tx[2]; |
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int diffChan = stdIDToChannel[ ID_DI ]; |
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int opacChan = stdIDToChannel[ ID_OP ]; |
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tx[0] = (*maps)[diffChan].IsActive()?(*maps)[diffChan].map:NULL; |
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tx[1] = (*maps)[opacChan].IsActive()?(*maps)[opacChan].map:NULL; |
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#endif |
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int nsupport = cb.NumberTexturesSupported(); |
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#if 0 |
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BITMAPINFO *bmi[NTEXHANDLES]; |
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int nmaps=0; |
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for (int i=0; i<NTEXHANDLES; i++) { |
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if (tx[i]) nmaps ++; |
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bmi[i] = NULL; |
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} |
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mtl->texture.SetCount(nmaps); |
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if (nmaps==0) |
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return; |
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for (i=0; i<nmaps; i++) |
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mtl->texture[i].textHandle = NULL; |
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texHandleValid.SetInfinite(); |
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Interval valid; |
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BOOL needDecal = FALSE; |
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int ntx = 0; |
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int op; |
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int forceW = 0; |
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int forceH = 0; |
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if (tx[0]) { |
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cb.GetGfxTexInfoFromTexmap(t, mtl->texture[0], tx[0]); |
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TextureInfo &ti = mtl->texture[0]; |
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if (ti.tiling[0]==GW_TEX_NO_TILING||ti.tiling[1]==GW_TEX_NO_TILING) |
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needDecal = TRUE; |
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op = needDecal?TXOP_ALPHABLEND:TXOP_MODULATE; |
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bmi[0] = tx[0]->GetVPDisplayDIB(t,cb,valid,FALSE); |
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if (bmi[0]) { |
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texHandleValid &= valid; |
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useSubForTex[0] = diffChan; |
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ntx = 1; |
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forceW = bmi[0]->bmiHeader.biWidth; |
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forceH = bmi[0]->bmiHeader.biHeight; |
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} |
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} |
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if (tx[1]) { |
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cb.GetGfxTexInfoFromTexmap(t, mtl->texture[ntx], tx[1]); |
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if (nsupport>ntx) { |
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bmi[1] = tx[1]->GetVPDisplayDIB(t,cb,valid,TRUE); |
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if (bmi[1]) { |
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texHandleValid &= valid; |
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StuffAlpha(bmi[1], (*maps)[opacChan].amount, GetOpacity(t),ntx?whiteCol:pShader->GetDiffuseClr(t)); |
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texHandle[ntx] = cb.MakeHandle(bmi[1]); |
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bmi[1] = NULL; |
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mtl->texture[ntx].textHandle = texHandle[ntx]->GetHandle(); |
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SetTexOps(mtl,ntx,TXOP_OPACITY); |
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useSubForTex[ntx] = opacChan; |
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ntx++; |
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} |
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} |
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else { |
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if (!needDecal) { |
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TextureInfo ti; |
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// if (SameUV(mtl->texture[0],mtl->texture[1])) { |
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// Not really correct to combine channels for different UV's but what the heck. |
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bmi[1] = tx[1]->GetVPDisplayDIB(t,cb,valid,TRUE, forceW, forceH); |
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if (bmi[1]) { |
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texHandleValid &= valid; |
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StuffAlphaInto(bmi[1], bmi[0], (*maps)[opacChan].amount, GetOpacity(t)); |
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op = TXOP_OPACITY; |
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free(bmi[1]); |
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bmi[1] = NULL; |
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} |
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// } |
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} |
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} |
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} |
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if (bmi[0]) { |
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texHandle[0] = cb.MakeHandle(bmi[0]); |
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bmi[0] = NULL; |
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mtl->texture[0].textHandle = texHandle[0]->GetHandle(); |
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SetTexOps(mtl,0,op); |
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} |
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mtl->texture.SetCount(ntx); |
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numTexHandlesUsed = ntx; |
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#endif |
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} |
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/*===========================================================================*\ |
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| Actual shading takes place |
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\*===========================================================================*/ |
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void plParticleMtl::Shade(ShadeContext& sc) |
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{ |
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// Get the background color |
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Color backColor, backTrans; |
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sc.GetBGColor(backColor, backTrans); |
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ShadeWithBackground(sc, backColor); |
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} |
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//// Requirements //////////////////////////////////////////////////////////// |
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// Tells MAX what we need to render ourselves properly, such as translucency, |
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// two-sidedness, etc. Flags are in imtl.h in the MAX SDK. |
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ULONG plParticleMtl::Requirements( int subMtlNum ) |
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{ |
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ULONG req = 0; |
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req = Mtl::Requirements( subMtlNum ); |
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// Uncomment this to get the background color fed to our ShadeWithBackground() |
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// (slower processing tho) |
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// req |= MTLREQ_BGCOL; |
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int blendType = fBasicPB->GetInt( kBlend ); |
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if( blendType == kBlendAdd ) |
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req |= MTLREQ_ADDITIVE_TRANSP | MTLREQ_TRANSP; |
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else if( blendType == kBlendAlpha ) |
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req |= MTLREQ_TRANSP; |
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else if( fBasicPB->GetInt( kOpacity, 0 ) != 100 ) |
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req |= MTLREQ_TRANSP; |
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return req; |
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} |
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void plParticleMtl::ShadeWithBackground(ShadeContext &sc, Color background) |
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{ |
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#if 1 |
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TimeValue t = sc.CurTime(); |
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Color color(0, 0, 0); |
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float alpha = 0.0; |
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// Evaluate Base layer |
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Texmap *map = fBasicPB->GetTexmap(kTexmap); |
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if (map && map->ClassID() == LAYER_TEX_CLASS_ID) |
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{ |
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plLayerTex *layer = (plLayerTex*)map; |
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AColor evalColor = layer->EvalColor(sc); |
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color = evalColor; |
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alpha = evalColor.a; |
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} |
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#if 1 |
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AColor black; |
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black.Black(); |
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AColor white; |
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white.White(); |
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SIllumParams ip; |
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if( fBasicPB->GetInt( kNormal ) == kEmissive ) |
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{ |
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// Emissive objects don't get shaded |
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ip.diffIllum = fBasicPB->GetColor(kColorAmb, t) * color; |
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ip.diffIllum.ClampMinMax(); |
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ip.specIllum = black; |
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} |
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else |
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{ |
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// |
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// Shading setup |
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// |
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// Setup the parameters for the shader |
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ip.amb = black; |
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ip.diff = fBasicPB->GetColor(kColor, t) * color; |
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ip.spec = white; |
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ip.diffIllum = black; |
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ip.specIllum = black; |
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ip.N = sc.Normal(); |
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ip.V = sc.V(); |
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// |
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// Specularity |
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// |
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ip.sh_str = 0; |
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ip.ph_exp = 0; |
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ip.shine = 0; |
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ip.softThresh = 0; |
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// Do the shading |
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Shader *myShader = GetShader(SHADER_BLINN); |
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myShader->Illum(sc, ip); |
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ip.diffIllum.ClampMinMax(); |
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ip.specIllum.ClampMinMax(); |
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ip.diffIllum = ip.amb * sc.ambientLight + ip.diff * ip.diffIllum; |
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} |
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// AColor returnColor = AColor(opac * ip.diffIllum + ip.specIllum, opac) |
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#endif |
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// Get opacity and combine with alpha |
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float opac = float(fBasicPB->GetInt(kOpacity, t)) / 100.0f; |
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//float opac = 1.0f; |
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alpha *= opac; |
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// MAX will do the additive/alpha/no blending for us based on what Requirements() |
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// we tell it. However, since MAX's formula is bgnd*sc.out.t + sc.out.c, |
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// we have to multiply our output color by the alpha. |
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// If we ever need a more complicated blending function, you can request the |
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// background color via Requirements() (otherwise it's just black) and then do |
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// the blending yourself; however, if the transparency isn't set, the shadows |
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// will be opaque, so be careful. |
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Color outC = ip.diffIllum + ip.specIllum; |
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|
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sc.out.c = ( outC * alpha ); |
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sc.out.t = Color( 1.f - alpha, 1.f - alpha, 1.f - alpha ); |
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#endif |
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} |
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float plParticleMtl::EvalDisplacement(ShadeContext& sc) |
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{ |
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return 0.0f; |
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} |
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|
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Interval plParticleMtl::DisplacementValidity(TimeValue t) |
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{ |
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Interval iv; |
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iv.SetInfinite(); |
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return iv; |
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} |
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Control *plParticleMtl::GetAmbColorController() { return fBasicPB->GetController(ParamID(kColorAmb)); } |
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Control *plParticleMtl::GetColorController() { return fBasicPB->GetController(ParamID(kColor)); } |
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Control *plParticleMtl::GetOpacityController() { return fBasicPB->GetController(ParamID(kOpacity)); } |
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Control *plParticleMtl::GetWidthController() { return fBasicPB->GetController(ParamID(kWidth)); } |
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Control *plParticleMtl::GetHeightController() { return fBasicPB->GetController(ParamID(kHeight)); }
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