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/*==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 hsGMatState_inc
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#define hsGMatState_inc
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#include "hsColorRGBA.h"
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class hsStream;
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class hsGMatState {
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public:
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enum hsGMatBlendFlags {
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kBlendTest = 0x1, // dev
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// Rest of blends are mutually exclusive
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kBlendAlpha = 0x2, // dev
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kBlendMult = 0x4, // dev
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kBlendAdd = 0x8, // dev
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kBlendAddColorTimesAlpha = 0x10, // dev
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kBlendAntiAlias = 0x20,
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kBlendDetail = 0x40,
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kBlendNoColor = 0x80, // dev
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kBlendMADD = 0x100,
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kBlendDot3 = 0x200,
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kBlendAddSigned = 0x400,
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kBlendAddSigned2X = 0x800,
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kBlendMask = kBlendAlpha
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| kBlendMult
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| kBlendAdd
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| kBlendAddColorTimesAlpha
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| kBlendDetail
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| kBlendMADD
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| kBlendDot3
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| kBlendAddSigned
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| kBlendAddSigned2X,
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kBlendInvertAlpha = 0x1000, // dev
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kBlendInvertColor = 0x2000, // dev
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kBlendAlphaMult = 0x4000,
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kBlendAlphaAdd = 0x8000,
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kBlendNoVtxAlpha = 0x10000,
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kBlendNoTexColor = 0x20000,
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kBlendNoTexAlpha = 0x40000,
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kBlendInvertVtxAlpha = 0x80000, // Invert ONLY the vertex alpha source
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kBlendAlphaAlways = 0x100000, // Alpha test always passes (even for alpha=0).
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kBlendInvertFinalColor = 0x200000,
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kBlendInvertFinalAlpha = 0x400000,
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kBlendEnvBumpNext = 0x800000,
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kBlendSubtract = 0x1000000,
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kBlendRevSubtract = 0x2000000,
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kBlendAlphaTestHigh = 0x4000000
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};
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enum hsGMatClampFlags {
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kClampTextureU = 0x1, // dev
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kClampTextureV = 0x2, // dev
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kClampTexture = 0x3 // dev
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};
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enum hsGMatShadeFlags {
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kShadeSoftShadow = 0x1, // view, dev
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kShadeNoProjectors = 0x2, // projector
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kShadeEnvironMap = 0x4, // dev, load
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kShadeVertexShade = 0x20, // dev
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kShadeNoShade = 0x40, // view,dev
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kShadeBlack = kShadeNoShade,
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kShadeSpecular = 0x80, // view, dev
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//kShadeNoFog = 0x100, // dev
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kShadeWhite = 0x200,
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kShadeSpecularAlpha = 0x400,
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kShadeSpecularColor = 0x800,
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kShadeSpecularHighlight = 0x1000,
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kShadeVertColShade = 0x2000,
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kShadeInherit = 0x4000,
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kShadeIgnoreVtxIllum = 0x8000,
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kShadeEmissive = 0x10000, // Moved here 8.27 mcn. Only really sane to use with kMiscEndPassHere
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kShadeReallyNoFog = 0x20000
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};
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enum hsGMatZFlags {
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kZIncLayer = 0x1, // dev
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kZClearZ = 0x4, // dev
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kZNoZRead = 0x8, // dev
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kZNoZWrite = 0x10,
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kZMask = kZNoZWrite | kZClearZ | kZNoZRead,
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kZLODBias = 0x20
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};
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enum hsGMatMiscFlags {
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kMiscWireFrame = 0x1, // dev (running out of bits)
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kMiscDrawMeshOutlines = 0x2, // dev, currently unimplemented
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kMiscTwoSided = 0x4, // view,dev
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kMiscDrawAsSplats = 0x8, // dev? bwt
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kMiscAdjustPlane = 0x10,
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kMiscAdjustCylinder = 0x20,
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kMiscAdjustSphere = 0x40,
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kMiscAdjust = kMiscAdjustPlane | kMiscAdjustCylinder| kMiscAdjustSphere,
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kMiscTroubledLoner = 0x80,
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kMiscBindSkip = 0x100,
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kMiscBindMask = 0x200,
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kMiscBindNext = 0x400,
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kMiscLightMap = 0x800,
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kMiscUseReflectionXform = 0x1000, // Use the calculated reflection environment
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// texture transform instead of layer->GetTransform()
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kMiscPerspProjection = 0x2000,
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kMiscOrthoProjection = 0x4000,
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kMiscProjection = kMiscPerspProjection | kMiscOrthoProjection,
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kMiscRestartPassHere = 0x8000, // Tells pipeline to start a new pass beginning with this layer
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// Kinda like troubledLoner, but only cuts off lower layers, not
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// higher ones (kMiscBindNext sometimes does this by implication)
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kMiscBumpLayer = 0x10000,
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kMiscBumpDu = 0x20000,
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kMiscBumpDv = 0x40000,
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kMiscBumpDw = 0x80000,
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kMiscBumpChans = kMiscBumpDu | kMiscBumpDv | kMiscBumpDw,
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kMiscNoShadowAlpha = 0x100000,
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kMiscUseRefractionXform = 0x200000, // Use a refraction-like hack.
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kMiscCam2Screen = 0x400000, // Expects tex coords to be XYZ in camera space. Does a cam to screen (not NDC) projection
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// and swaps Z with W, so that the texture projection can produce projected 2D screen coordinates.
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kAllMiscFlags = 0xffffffff
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};
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enum StateIdx {
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kBlend,
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kClamp,
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kShade,
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kZ,
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kMisc
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};
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UInt32 fBlendFlags;
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UInt32 fClampFlags;
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UInt32 fShadeFlags;
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UInt32 fZFlags;
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UInt32 fMiscFlags;
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static hsBool Differs(UInt32 mine, UInt32 hers, UInt32 mask)
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{
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return (mine & mask) ^ (hers & mask);
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}
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static hsBool Differs(UInt32 mine, UInt32 hers)
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{
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return mine ^ hers;
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}
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hsBool operator!=(const hsGMatState& other)
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{
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return ((fBlendFlags ^ other.fBlendFlags)
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| (fClampFlags ^ other.fClampFlags)
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| (fShadeFlags ^ other.fShadeFlags)
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| (fZFlags ^ other.fZFlags)
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| (fMiscFlags ^ other.fMiscFlags));
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}
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UInt32 Value(int i) const
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{
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switch(i)
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{
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case kBlend:
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return fBlendFlags;
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case kClamp:
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return fClampFlags;
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case kShade:
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return fShadeFlags;
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case kZ:
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return fZFlags;
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case kMisc:
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return fMiscFlags;
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}
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hsAssert(false, "Bad param");
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return fBlendFlags;
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}
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UInt32& operator[](const int i)
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{
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switch(i)
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{
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case kBlend:
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return fBlendFlags;
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case kClamp:
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return fClampFlags;
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case kShade:
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return fShadeFlags;
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case kZ:
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return fZFlags;
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case kMisc:
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return fMiscFlags;
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}
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hsAssert(false, "Bad param");
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return fBlendFlags;
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}
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hsGMatState& operator|=(const hsGMatState& other)
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{
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fBlendFlags |= other.fBlendFlags;
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fClampFlags |= other.fClampFlags;
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fShadeFlags |= other.fShadeFlags;
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fZFlags |= other.fZFlags;
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fMiscFlags |= other.fMiscFlags;
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return *this;
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}
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hsGMatState& operator+=(const hsGMatState& other)
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{
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return operator|=(other);
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}
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hsGMatState& operator-=(const hsGMatState& other)
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{
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fBlendFlags &= ~other.fBlendFlags;
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fClampFlags &= ~other.fClampFlags;
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fShadeFlags &= ~other.fShadeFlags;
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fZFlags &= ~other.fZFlags;
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fMiscFlags &= ~other.fMiscFlags;
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return *this;
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}
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inline void Read(hsStream* s);
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inline void Write(hsStream* s);
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hsGMatState(UInt32 blend=0, UInt32 clamp=0, UInt32 shade=0, UInt32 z=0, UInt32 misc=0)
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: fBlendFlags(blend),
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fClampFlags(clamp),
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fShadeFlags(shade),
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fZFlags(z),
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fMiscFlags(misc) {}
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void Reset() { fBlendFlags = fClampFlags = fShadeFlags = fZFlags = fMiscFlags = 0; }
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inline void Clear(const hsGMatState& state);
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inline void Composite(const hsGMatState& want, const hsGMatState& on, const hsGMatState& off);
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};
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#endif // hsGMatState_inc
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