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222 lines
6.2 KiB
222 lines
6.2 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 "HeadSpin.h" |
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#include "hsWindows.h" |
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#include <commdlg.h> |
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#include <bmmlib.h> |
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#include <max.h> |
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#include <iparamb2.h> |
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#pragma hdrstop |
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#include "Layers/plPlasmaMAXLayer.h" |
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#include "plBMSampler.h" |
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plBMSampler::plBMSampler(plPlasmaMAXLayer *layer, Bitmap *bm) : fBM(bm), fInitialized(false) |
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{ |
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// Get our parameters |
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if( fBM && layer && layer->GetSamplerInfo( &fData ) ) |
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{ |
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u1 = fData.fClipU + fData.fClipW; |
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v1 = fData.fClipV + fData.fClipH; |
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bmw = fBM->Width(); |
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bmh = fBM->Height(); |
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fbmw = float(bmw-1); |
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fbmh = float(bmh-1); |
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clipx = int(fData.fClipU*fbmw); |
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clipy = int(fData.fClipV*fbmh); |
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fclipw = fData.fClipW*fbmw; |
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fcliph = fData.fClipH*fbmh; |
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cliph = fcliph; |
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fInitialized = true; |
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} |
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} |
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int plBMSampler::PlaceUV(ShadeContext &sc, float &u, float &v, int iu, int iv) |
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{ |
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if (!fInitialized) |
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return 1; |
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if (u<fData.fClipU||v<fData.fClipV||u>u1||v>v1) |
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return 0; |
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u = (u-fData.fClipU)/fData.fClipW; |
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v = (v-fData.fClipV)/fData.fClipH; |
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return 1; |
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} |
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void plBMSampler::PlaceUVFilter(ShadeContext &sc, float &u, float &v, int iu, int iv) |
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{ |
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if (!fInitialized) |
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return; |
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u = (u-fData.fClipU)/fData.fClipW; |
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v = (v-fData.fClipV)/fData.fClipH; |
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} |
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AColor plBMSampler::Sample(ShadeContext& sc, float u,float v) |
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{ |
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AColor none(0.0f, 0.0f, 0.0f, 0.0f); |
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if (!fInitialized) |
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return none; |
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BMM_Color_64 c; |
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int x,y; |
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float fu,fv, intpart; |
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fu = modf(u, &intpart); |
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fv = 1.0f - modf(v, &intpart); |
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if (fData.fEnableCrop) |
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{ |
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if (fData.fCropPlacement) |
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{ |
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if (!PlaceUV(sc,fu, fv, int(u), int(v))) |
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return AColor(0,0,0,0); |
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x = (int)(fu*fbmw+0.5f); |
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y = (int)(fv*fbmh+0.5f); |
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} |
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else |
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{ |
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x = clipx + static_cast<int>(fu * fclipw + 0.5f) % bmw; |
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y = clipy + static_cast<int>(fv * fcliph + 0.5f) % bmh; |
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} |
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} |
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else |
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{ |
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x = (int)(fu*fbmw+0.5f); |
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y = (int)(fv*fbmh+0.5f); |
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} |
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fBM->GetLinearPixels(x,y,1,&c); |
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switch(fData.fAlphaSource) |
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{ |
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case plBMSamplerData::kDiscard: |
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c.a = 0xffff; |
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break; |
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case plBMSamplerData::kFromRGB: |
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c.a = (c.r+c.g+c.b)/3; |
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break; |
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// TBD |
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// XPCOL needs to be handled in bitmap for filtering. |
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// Need to open a bitmap with this property. |
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// case ALPHA_XPCOL: break; |
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} |
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return c; |
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} |
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AColor plBMSampler::SampleFilter(ShadeContext& sc, float u,float v, float du, float dv) |
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{ |
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AColor none(0.0f, 0.0f, 0.0f, 0.0f); |
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if (!fInitialized) |
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return none; |
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fBM->SetFilter(BMM_FILTER_PYRAMID); |
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BMM_Color_64 c; |
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float fu, fv, intpart; |
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fu = modf(u, &intpart); |
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fv = 1.0f - modf(v, &intpart); |
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if (fData.fEnableCrop) |
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{ |
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if (fData.fCropPlacement) |
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{ |
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PlaceUVFilter(sc,fu, fv, int(u), int(v)); |
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du /= fData.fClipW; |
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dv /= fData.fClipH; |
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float du2 = 0.5f*du; |
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float ua = fu-du2; |
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float ub = fu+du2; |
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if (ub<=0.0f||ua>=1.0f) return none; |
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float dv2 = 0.5f*dv; |
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float va = fv-dv2; |
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float vb = fv+du2; |
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if (vb<=0.0f||va>=1.0f) return none; |
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BOOL clip = 0; |
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if (ua<0.0f) { ua=0.0f; clip = 1; } |
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if (ub>1.0f) { ub=1.0f; clip = 1; } |
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if (va<0.0f) { va=0.0f; clip = 1; } |
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if (vb>1.0f) { vb=1.0f; clip = 1; } |
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fBM->GetFiltered(fu,fv,du,dv,&c); |
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switch(fData.fAlphaSource) |
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{ |
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case plBMSamplerData::kDiscard: |
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c.a = 0xffff; |
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break; |
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case plBMSamplerData::kFromRGB: |
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c.a = (c.r + c.g + c.b)/3; |
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break; |
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} |
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AColor ac(c); |
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if (clip) |
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{ |
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float f = ((ub-ua)/du) * ((vb-va)/dv); |
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ac *= f; |
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} |
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return ac; |
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} |
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else |
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{ |
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fu = (fData.fClipU + fData.fClipW*fu); |
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fv = (fData.fClipV + fData.fClipH*fv); |
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du *= fData.fClipW; |
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dv *= fData.fClipH; |
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fBM->GetFiltered(fu,fv,du,dv,&c); |
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} |
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} |
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else |
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fBM->GetFiltered(fu,fv,du,dv,&c); |
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switch (fData.fAlphaSource) |
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{ |
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case plBMSamplerData::kDiscard: |
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c.a = 0xffff; |
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break; |
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case plBMSamplerData::kFromRGB: |
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c.a = (c.r + c.g + c.b)/3; |
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break; |
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} |
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return c; |
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}
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