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145 lines
3.2 KiB
145 lines
3.2 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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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 plDynaDecal_inc |
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#define plDynaDecal_inc |
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#include "hsGeometry3.h" |
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class plAuxSpan; |
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class plDynaDecalBin; |
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class plDecalVtxFormat |
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{ |
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public: |
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hsPoint3 fPos; |
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hsVector3 fNorm; |
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UInt32 fDiffuse; |
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UInt32 fSpecular; // Not used anywhere, carried around everywhere. |
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hsPoint3 fUVW[2]; |
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}; |
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// UVW[0] is the currently used UVW. |
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// UVW[1] is for the alpha hack (when necessary). |
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const UInt8 kDecalVtxFormat = 0x2; // Two UVW's, otherwise vanilla. |
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class plDynaDecal |
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{ |
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public: |
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enum |
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{ |
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kFresh = 0x1, |
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kAttenColor = 0x2, |
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kVertexShader = 0x4 |
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}; |
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protected: |
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// StartVtx and StartIdx are relative to the start of the data |
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// owned by this decal's span, not relative to the start of the |
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// underlying buffers. |
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UInt16 fStartVtx; |
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UInt16 fNumVerts; |
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UInt16 fStartIdx; |
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UInt16 fNumIdx; |
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double fBirth; |
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hsScalar fInitAtten; |
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hsBool fFlags; |
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plDecalVtxFormat* fVtxBase; // Safe pointer, the buffer data will outlive this decal |
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plAuxSpan* fAuxSpan; |
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friend class plDynaDecalMgr; |
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public: |
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virtual hsBool Age(double t, hsScalar ramp, hsScalar decay, hsScalar life) = 0; |
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}; |
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// No expansion |
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class plDynaSplot : public plDynaDecal |
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{ |
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protected: |
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public: |
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virtual hsBool Age(double t, hsScalar ramp, hsScalar decay, hsScalar life); |
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}; |
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// Expands radially from center |
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class plDynaRipple : public plDynaDecal |
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{ |
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public: |
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virtual hsBool Age(double t, hsScalar ramp, hsScalar decay, hsScalar life); |
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hsScalar fC1U; |
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hsScalar fC2U; |
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hsScalar fC1V; |
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hsScalar fC2V; |
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}; |
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// Expands in V from top (V=0), expands in U from center (U=0.5) |
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class plDynaWake : public plDynaDecal |
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{ |
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public: |
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virtual hsBool Age(double t, hsScalar ramp, hsScalar decay, hsScalar life); |
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hsScalar fC1U; |
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hsScalar fC2U; |
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hsScalar fC1V; |
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hsScalar fC2V; |
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}; |
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// Scrolls in V, no change in U |
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class plDynaWave : public plDynaDecal |
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{ |
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public: |
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virtual hsBool Age(double t, hsScalar ramp, hsScalar decay, hsScalar life); |
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hsScalar fScrollRate; |
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}; |
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// About the same as a DynaRipple, but implemented with vertex/pixel shaders. |
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// Only useful with plWaveSet. |
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class plDynaRippleVS : public plDynaRipple |
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{ |
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public: |
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virtual hsBool Age(double t, hsScalar ramp, hsScalar decay, hsScalar life); |
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}; |
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#endif // plDynaDecal_inc |
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