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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef hsGMatState_inc
#define hsGMatState_inc
#include "hsColorRGBA.h"
class hsStream;
class hsGMatState {
public:
enum hsGMatBlendFlags {
kBlendTest = 0x1, // dev
// Rest of blends are mutually exclusive
kBlendAlpha = 0x2, // dev
kBlendMult = 0x4, // dev
kBlendAdd = 0x8, // dev
kBlendAddColorTimesAlpha = 0x10, // dev
kBlendAntiAlias = 0x20,
kBlendDetail = 0x40,
kBlendNoColor = 0x80, // dev
kBlendMADD = 0x100,
kBlendDot3 = 0x200,
kBlendAddSigned = 0x400,
kBlendAddSigned2X = 0x800,
kBlendMask = kBlendAlpha
| kBlendMult
| kBlendAdd
| kBlendAddColorTimesAlpha
| kBlendDetail
| kBlendMADD
| kBlendDot3
| kBlendAddSigned
| kBlendAddSigned2X,
kBlendInvertAlpha = 0x1000, // dev
kBlendInvertColor = 0x2000, // dev
kBlendAlphaMult = 0x4000,
kBlendAlphaAdd = 0x8000,
kBlendNoVtxAlpha = 0x10000,
kBlendNoTexColor = 0x20000,
kBlendNoTexAlpha = 0x40000,
kBlendInvertVtxAlpha = 0x80000, // Invert ONLY the vertex alpha source
kBlendAlphaAlways = 0x100000, // Alpha test always passes (even for alpha=0).
kBlendInvertFinalColor = 0x200000,
kBlendInvertFinalAlpha = 0x400000,
kBlendEnvBumpNext = 0x800000,
kBlendSubtract = 0x1000000,
kBlendRevSubtract = 0x2000000,
kBlendAlphaTestHigh = 0x4000000
};
enum hsGMatClampFlags {
kClampTextureU = 0x1, // dev
kClampTextureV = 0x2, // dev
kClampTexture = 0x3 // dev
};
enum hsGMatShadeFlags {
kShadeSoftShadow = 0x1, // view, dev
kShadeNoProjectors = 0x2, // projector
kShadeEnvironMap = 0x4, // dev, load
kShadeVertexShade = 0x20, // dev
kShadeNoShade = 0x40, // view,dev
kShadeBlack = kShadeNoShade,
kShadeSpecular = 0x80, // view, dev
//kShadeNoFog = 0x100, // dev
kShadeWhite = 0x200,
kShadeSpecularAlpha = 0x400,
kShadeSpecularColor = 0x800,
kShadeSpecularHighlight = 0x1000,
kShadeVertColShade = 0x2000,
kShadeInherit = 0x4000,
kShadeIgnoreVtxIllum = 0x8000,
kShadeEmissive = 0x10000, // Moved here 8.27 mcn. Only really sane to use with kMiscEndPassHere
kShadeReallyNoFog = 0x20000
};
enum hsGMatZFlags {
kZIncLayer = 0x1, // dev
kZClearZ = 0x4, // dev
kZNoZRead = 0x8, // dev
kZNoZWrite = 0x10,
kZMask = kZNoZWrite | kZClearZ | kZNoZRead,
kZLODBias = 0x20
};
enum hsGMatMiscFlags {
kMiscWireFrame = 0x1, // dev (running out of bits)
kMiscDrawMeshOutlines = 0x2, // dev, currently unimplemented
kMiscTwoSided = 0x4, // view,dev
kMiscDrawAsSplats = 0x8, // dev? bwt
kMiscAdjustPlane = 0x10,
kMiscAdjustCylinder = 0x20,
kMiscAdjustSphere = 0x40,
kMiscAdjust = kMiscAdjustPlane | kMiscAdjustCylinder| kMiscAdjustSphere,
kMiscTroubledLoner = 0x80,
kMiscBindSkip = 0x100,
kMiscBindMask = 0x200,
kMiscBindNext = 0x400,
kMiscLightMap = 0x800,
kMiscUseReflectionXform = 0x1000, // Use the calculated reflection environment
// texture transform instead of layer->GetTransform()
kMiscPerspProjection = 0x2000,
kMiscOrthoProjection = 0x4000,
kMiscProjection = kMiscPerspProjection | kMiscOrthoProjection,
kMiscRestartPassHere = 0x8000, // Tells pipeline to start a new pass beginning with this layer
// Kinda like troubledLoner, but only cuts off lower layers, not
// higher ones (kMiscBindNext sometimes does this by implication)
kMiscBumpLayer = 0x10000,
kMiscBumpDu = 0x20000,
kMiscBumpDv = 0x40000,
kMiscBumpDw = 0x80000,
kMiscBumpChans = kMiscBumpDu | kMiscBumpDv | kMiscBumpDw,
kMiscNoShadowAlpha = 0x100000,
kMiscUseRefractionXform = 0x200000, // Use a refraction-like hack.
kMiscCam2Screen = 0x400000, // Expects tex coords to be XYZ in camera space. Does a cam to screen (not NDC) projection
// and swaps Z with W, so that the texture projection can produce projected 2D screen coordinates.
kAllMiscFlags = 0xffffffff
};
enum StateIdx {
kBlend,
kClamp,
kShade,
kZ,
kMisc
};
UInt32 fBlendFlags;
UInt32 fClampFlags;
UInt32 fShadeFlags;
UInt32 fZFlags;
UInt32 fMiscFlags;
static hsBool Differs(UInt32 mine, UInt32 hers, UInt32 mask)
{
return (mine & mask) ^ (hers & mask);
}
static hsBool Differs(UInt32 mine, UInt32 hers)
{
return mine ^ hers;
}
hsBool operator!=(const hsGMatState& other)
{
return ((fBlendFlags ^ other.fBlendFlags)
| (fClampFlags ^ other.fClampFlags)
| (fShadeFlags ^ other.fShadeFlags)
| (fZFlags ^ other.fZFlags)
| (fMiscFlags ^ other.fMiscFlags));
}
UInt32 Value(int i) const
{
switch(i)
{
case kBlend:
return fBlendFlags;
case kClamp:
return fClampFlags;
case kShade:
return fShadeFlags;
case kZ:
return fZFlags;
case kMisc:
return fMiscFlags;
}
hsAssert(false, "Bad param");
return fBlendFlags;
}
UInt32& operator[](const int i)
{
switch(i)
{
case kBlend:
return fBlendFlags;
case kClamp:
return fClampFlags;
case kShade:
return fShadeFlags;
case kZ:
return fZFlags;
case kMisc:
return fMiscFlags;
}
hsAssert(false, "Bad param");
return fBlendFlags;
}
hsGMatState& operator|=(const hsGMatState& other)
{
fBlendFlags |= other.fBlendFlags;
fClampFlags |= other.fClampFlags;
fShadeFlags |= other.fShadeFlags;
fZFlags |= other.fZFlags;
fMiscFlags |= other.fMiscFlags;
return *this;
}
hsGMatState& operator+=(const hsGMatState& other)
{
return operator|=(other);
}
hsGMatState& operator-=(const hsGMatState& other)
{
fBlendFlags &= ~other.fBlendFlags;
fClampFlags &= ~other.fClampFlags;
fShadeFlags &= ~other.fShadeFlags;
fZFlags &= ~other.fZFlags;
fMiscFlags &= ~other.fMiscFlags;
return *this;
}
inline void Read(hsStream* s);
inline void Write(hsStream* s);
hsGMatState(UInt32 blend=0, UInt32 clamp=0, UInt32 shade=0, UInt32 z=0, UInt32 misc=0)
: fBlendFlags(blend),
fClampFlags(clamp),
fShadeFlags(shade),
fZFlags(z),
fMiscFlags(misc) {}
void Reset() { fBlendFlags = fClampFlags = fShadeFlags = fZFlags = fMiscFlags = 0; }
inline void Clear(const hsGMatState& state);
inline void Composite(const hsGMatState& want, const hsGMatState& on, const hsGMatState& off);
};
#endif // hsGMatState_inc