You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
392 lines
9.3 KiB
392 lines
9.3 KiB
/*==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/>. |
|
|
|
Additional permissions under GNU GPL version 3 section 7 |
|
|
|
If you modify this Program, or any covered work, by linking or |
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
|
(or a modified version of those libraries), |
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
|
licensors of this Program grant you additional |
|
permission to convey the resulting work. Corresponding Source for a |
|
non-source form of such a combination shall include the source code for |
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
|
work. |
|
|
|
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==*/ |
|
|
|
#include "HeadSpin.h" |
|
#include "plFadeOpacityMod.h" |
|
|
|
#include "plFadeOpacityLay.h" |
|
|
|
#include "plMessage/plRenderMsg.h" |
|
#include "plMessage/plMatRefMsg.h" |
|
|
|
#include "plSurface/hsGMaterial.h" |
|
|
|
#include "plDrawable/plVisLOSMgr.h" |
|
#include "plDrawable/plAccessGeometry.h" |
|
#include "plDrawable/plAccessSpan.h" |
|
#include "plDrawable/plDrawableSpans.h" |
|
|
|
#include "pnSceneObject/plSceneObject.h" |
|
#include "pnSceneObject/plDrawInterface.h" |
|
|
|
#include "plScene/plVisMgr.h" |
|
|
|
#include "plgDispatch.h" |
|
#include "plPipeline.h" |
|
#include "hsBounds.h" |
|
#include "hsTimer.h" |
|
#include "hsResMgr.h" |
|
|
|
/* |
|
curr = (t - t0) / fadeUp; |
|
curr = 1. - (t - t0) / fadeDown; |
|
|
|
switch from fadeUp to fadeDown |
|
curr = 1 - (t - t0) / fadeDown; |
|
t - t0 = (1 - curr) * fadeDown |
|
t0 = t - (1 - curr) * fadeDown; |
|
|
|
switch from fadeDown to fadeUp |
|
curr = (t - t0) / fadeUp; |
|
curr * fadeUp = t - t0; |
|
t0 = t - curr * fadeUp; |
|
*/ |
|
|
|
bool plFadeOpacityMod::fLOSCheckDisabled = false; |
|
|
|
const float kDefFadeUp(5.f); |
|
const float kDefFadeDown(1.f); |
|
|
|
plFadeOpacityMod::plFadeOpacityMod() |
|
: fFadeUp(kDefFadeUp), |
|
fFadeDown(kDefFadeDown), |
|
fOpCurrent(1.f), |
|
fStart(0), |
|
fFade(kImmediate), |
|
fLastEye(0.f, 0.f, 0.f), |
|
fSetup(false) |
|
{ |
|
} |
|
|
|
plFadeOpacityMod::~plFadeOpacityMod() |
|
{ |
|
} |
|
|
|
bool plFadeOpacityMod::MsgReceive(plMessage* msg) |
|
{ |
|
plRenderMsg* rend = plRenderMsg::ConvertNoRef(msg); |
|
if( rend ) |
|
{ |
|
IOnRenderMsg(rend); |
|
return true; |
|
} |
|
return plSingleModifier::MsgReceive(msg); |
|
} |
|
|
|
void plFadeOpacityMod::SetKey(plKey k) |
|
{ |
|
hsKeyedObject::SetKey(k); |
|
if( k ) |
|
{ |
|
plgDispatch::Dispatch()->RegisterForExactType(plRenderMsg::Index(), GetKey()); |
|
} |
|
} |
|
|
|
|
|
void plFadeOpacityMod::Read(hsStream* s, hsResMgr* mgr) |
|
{ |
|
plSingleModifier::Read(s, mgr); |
|
|
|
fFadeUp = s->ReadLEScalar(); |
|
fFadeDown = s->ReadLEScalar(); |
|
} |
|
|
|
void plFadeOpacityMod::Write(hsStream* s, hsResMgr* mgr) |
|
{ |
|
plSingleModifier::Write(s, mgr); |
|
|
|
s->WriteLEScalar(fFadeUp); |
|
s->WriteLEScalar(fFadeDown); |
|
} |
|
|
|
void plFadeOpacityMod::SetTarget(plSceneObject* so) |
|
{ |
|
plSingleModifier::SetTarget(so); |
|
|
|
fSetup = false; |
|
} |
|
|
|
bool plFadeOpacityMod::IShouldCheck(plPipeline* pipe) |
|
{ |
|
if (pipe->TestVisibleWorld(GetTarget())) |
|
return true; |
|
|
|
fFade = kImmediate; |
|
|
|
return false; |
|
} |
|
|
|
void plFadeOpacityMod::IOnRenderMsg(plRenderMsg* rend) |
|
{ |
|
// Okay, are we set up enough to proceed? |
|
if( !IReady() ) |
|
return; |
|
|
|
// Okay, we're going to check. |
|
|
|
bool hit = false; |
|
|
|
if( !fLOSCheckDisabled ) |
|
{ |
|
// Should we check to see if we're visible before anything else? |
|
if( !IShouldCheck(rend->Pipeline()) ) |
|
return; |
|
|
|
hsPoint3 eyePos = rend->Pipeline()->GetViewPositionWorld(); |
|
hsPoint3 ourPos = IGetOurPos(); |
|
|
|
if( fFade != kImmediate ) |
|
{ |
|
// If we've moved more than 3 feet in a frame, we'll consider this a |
|
// camera cut. In that case, don't fade up or down, just go there. |
|
const float kCutMagSquared = 3.f * 3.f; |
|
if( hsVector3(&eyePos, &fLastEye).MagnitudeSquared() > kCutMagSquared ) |
|
fFade = kImmediate; |
|
} |
|
fLastEye = eyePos; |
|
|
|
// Cast the ray from eye to us. |
|
plVisHit hitInfo; |
|
hit = plVisLOSMgr::Instance()->Check(eyePos, ourPos, hitInfo); |
|
} |
|
|
|
// If the ray made it, fade us up |
|
// Else fade us down. |
|
if( !hit ) |
|
IFadeUp(); |
|
else |
|
IFadeDown(); |
|
|
|
ISetOpacity(); |
|
} |
|
|
|
bool plFadeOpacityMod::IReady() |
|
{ |
|
plSceneObject* so = GetTarget(); |
|
if( !so ) |
|
return false; |
|
|
|
if( !so->GetDrawInterface() ) |
|
return false; |
|
|
|
if( !fSetup ) |
|
ISetup(so); |
|
|
|
if( !fFadeLays.GetCount() ) |
|
return false; |
|
|
|
return true; |
|
} |
|
|
|
hsPoint3 plFadeOpacityMod::IGetOurPos() |
|
{ |
|
hsAssert(GetTarget(), "Weed out target-less earlier"); |
|
|
|
if( HasFlag(kBoundsCenter) ) |
|
{ |
|
return GetTarget()->GetDrawInterface()->GetWorldBounds().GetCenter(); |
|
} |
|
else |
|
{ |
|
return GetTarget()->GetLocalToWorld().GetTranslate(); |
|
} |
|
} |
|
|
|
void plFadeOpacityMod::ICalcOpacity() |
|
{ |
|
double t = hsTimer::GetSysSeconds(); |
|
switch( fFade ) |
|
{ |
|
case kFadeUp: |
|
fOpCurrent = (float)(t - fStart); |
|
if( fOpCurrent > fFadeUp ) |
|
{ |
|
fOpCurrent = 1.f; |
|
fFade = kUp; |
|
} |
|
else |
|
{ |
|
fOpCurrent /= fFadeUp; |
|
} |
|
break; |
|
case kFadeDown: |
|
fOpCurrent = (float)(t - fStart); |
|
if( fOpCurrent > fFadeDown ) |
|
{ |
|
fOpCurrent = 0.f; |
|
fFade = kDown; |
|
} |
|
else |
|
{ |
|
fOpCurrent = 1.f - fOpCurrent / fFadeDown; |
|
} |
|
break; |
|
case kUp: |
|
case kDown: |
|
break; |
|
case kImmediate: |
|
default: |
|
hsAssert(false, "Invalid state"); |
|
break; |
|
}; |
|
} |
|
|
|
void plFadeOpacityMod::ISetOpacity() |
|
{ |
|
ICalcOpacity(); |
|
|
|
const int num = fFadeLays.GetCount(); |
|
int i; |
|
for( i = 0; i < num; i++ ) |
|
fFadeLays[i]->SetOpacity(fOpCurrent); |
|
} |
|
|
|
void plFadeOpacityMod::IFadeUp() |
|
{ |
|
const double t = hsTimer::GetSysSeconds(); |
|
switch( fFade ) |
|
{ |
|
case kImmediate: |
|
fOpCurrent = 1.f; |
|
fFade = kUp; |
|
break; |
|
case kFadeDown: |
|
{ |
|
fStart = t - fOpCurrent * fFadeUp; |
|
|
|
fFade = kFadeUp; |
|
} |
|
break; |
|
case kDown: |
|
{ |
|
fStart = t; |
|
fFade = kFadeUp; |
|
} |
|
break; |
|
case kUp: |
|
case kFadeUp: |
|
break; |
|
default: |
|
hsAssert(false, "Bad State"); |
|
break; |
|
}; |
|
} |
|
|
|
void plFadeOpacityMod::IFadeDown() |
|
{ |
|
const double t = hsTimer::GetSysSeconds(); |
|
switch( fFade ) |
|
{ |
|
case kImmediate: |
|
fOpCurrent = 0.f; |
|
fFade = kDown; |
|
break; |
|
case kFadeUp: |
|
{ |
|
fStart = t - (1.f - fOpCurrent) * fFadeDown; |
|
|
|
fFade = kFadeDown; |
|
} |
|
break; |
|
case kUp: |
|
{ |
|
fStart = t; |
|
fFade = kFadeDown; |
|
} |
|
case kFadeDown: |
|
case kDown: |
|
break; |
|
default: |
|
hsAssert(false, "Bad State"); |
|
break; |
|
}; |
|
} |
|
|
|
void plFadeOpacityMod::ISetup(plSceneObject* so) |
|
{ |
|
fFadeLays.Reset(); |
|
|
|
if( !so ) |
|
return; |
|
|
|
const plDrawInterface* di = so->GetDrawInterface(); |
|
if( !di ) |
|
return; |
|
|
|
hsTArray<plAccessSpan> src; |
|
plAccessGeometry::Instance()->OpenRO(di, src, false); |
|
|
|
int i; |
|
for( i = 0; i < src.GetCount(); i++ ) |
|
{ |
|
hsGMaterial* mat = src[i].GetMaterial(); |
|
|
|
int j; |
|
for( j = 0; j < mat->GetNumLayers(); j++ ) |
|
{ |
|
plLayerInterface* lay = mat->GetLayer(j); |
|
if( !j || !(lay->GetZFlags() & hsGMatState::kZNoZWrite) || (lay->GetMiscFlags() & hsGMatState::kMiscRestartPassHere) ) |
|
{ |
|
plFadeOpacityLay* fade = new plFadeOpacityLay(); |
|
|
|
hsgResMgr::ResMgr()->NewKey(lay->GetKey()->GetName(), fade, lay->GetKey()->GetUoid().GetLocation()); |
|
|
|
fade->AttachViaNotify(lay); |
|
|
|
// We should add a ref or something here if we're going to hold on to this (even though we created and "own" it). |
|
fFadeLays.Append(fade); |
|
|
|
plMatRefMsg* msg = new plMatRefMsg(mat->GetKey(), plRefMsg::kOnReplace, i, plMatRefMsg::kLayer); |
|
msg->SetOldRef(lay); |
|
hsgResMgr::ResMgr()->SendRef(fade, msg, plRefFlags::kActiveRef); |
|
|
|
plGenRefMsg* toMe = new plGenRefMsg(GetKey(), plRefMsg::kOnRequest, 0, kRefFadeLay); |
|
hsgResMgr::ResMgr()->SendRef(fade, toMe, plRefFlags::kPassiveRef); |
|
} |
|
} |
|
} |
|
|
|
plAccessGeometry::Instance()->Close(src); |
|
|
|
fSetup = true; |
|
fFade = kImmediate; |
|
}
|
|
|