Filter shadow

Filter shadow

#1 by OrkhanAliyev

Hi guys. I've got my own flashlight system but sometimes it become a real problem because of player's shadow. I'd like to ignore player's shadow only for my own flashlight. How to do that?
Any help'd be appreciated.

Re: Filter shadow

#2 by ik-interactive

Hi guys. I've got my own flashlight system but sometimes it become a real problem because of player's shadow. I'd like to ignore player's shadow only for my own flashlight. How to do that?
Any help'd be appreciated.

i'm kind interested too in that, because i have some sort of problem with a custom flashlight walking back flashlight produce shadows

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Re: Filter shadow

#3 by MoonBeam

Hi I think the engine not supported LightMasks at all for all kind of the Lights, this feature allows manipulating light's affection on object in scene in per-object basis. Mb I'm wrong about that...

But you still may fully disable all shadows for some object by using m_pEntity->SetSlotFlags()

Code: Select all


m_pEntity->LoadGeometry(0, "Assets\\Objects\\someobject.cgf");

	//uint32 flags = GetEntity()->GetFlags();

	uint32 flags = ENTITY_SLOT_RENDER & ~ENTITY_SLOT_CAST_SHADOW;

	GetEntity()->SetSlotFlags(0, flags);

Last edited by MoonBeam on Fri Oct 19, 2018 2:19 pm, edited 1 time in total.

Re: Filter shadow

#4 by gshot

Hi I think the engine not supported LightMasks at all for all kind of the Lights, this feature allows manipulating light's affection on object in scene in per-object basis. Mb I'm wrong about that...

But you still may fully disable all shadows for some object by using m_pEntity->SetSlotFlags()
Code: Select all
m_pEntity->LoadGeometry(0, "Assets\\Objects\\someobject.cgf"); uint32 flags = GetEntity()->GetFlags(); uint32 flags = ENTITY_SLOT_RENDER & ~ENTITY_SLOT_CAST_SHADOW; GetEntity()->SetSlotFlags(0, flags);

You are wrong

ILightSource interface has this function:

Code: Select all

virtual void                     SetCastingException(IRenderNode* pNotCaster) = 0;

You pass it the render node of the object that you don't want to cast shadows from that light source and that's it.

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Re: Filter shadow

#5 by ik-interactive

as far as i know it is a problem between first-person and third person shadow rendering wich are in some way in conflict and produce that issue, if i'm not wrong they fixed that with 5.4/5.5 i will ask is there is any solution before release my project during optimization

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Re: Filter shadow

#6 by MoonBeam

You are wrong

That's great! Perhaps then I need test this feature someday, but the main question is - why this abbility of the ILightsSource not part of standart user's interface for LightComponent's in sandbox property panel ? It should be in properties, that user can tweak.

Re: Filter shadow

#7 by gshot

You are wrong
That's great! Perhaps then I need test this feature someday, but the main question is - why this abbility of the ILightsSource not part of standart user's interface for LightComponent's in sandbox property panel ? It should be in properties, that user can tweak.

Yeh. I totally agree. Cryengine is a very capable engine but some capabilities like this one are not easily accessible. It should be in the properties but it's not. Maybe in the future

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Re: Filter shadow

#8 by OrkhanAliyev

You are wrong
That's great! Perhaps then I need test this feature someday, but the main question is - why this abbility of the ILightsSource not part of standart user's interface for LightComponent's in sandbox property panel ? It should be in properties, that user can tweak.
Yeh. I totally agree. Cryengine is a very capable engine but some capabilities like this one are not easily accessible. It should be in the properties but it's not. Maybe in the future

Guys, thanks for the effort you showed.
Ghost, could you please give me a tip about to express an entity as a light source if you know? I've just simply spawned an entity(light) and as you know, I can't make ILightSource equal to IEntity. They are completely different things.

Re: Filter shadow

#9 by MoonBeam

could you please give me a tip about to express an entity as a light source if you know?

I think you need write code something like this, but I'am not for sure

Code: Select all


			SEntitySlotInfo slotLightInfo;

			m_pEntity->GetSlotInfo(nLightSlot, slotLightInfo);

			ILightSource* pLightSource = slotLightInfo.pLight;

Re: Filter shadow

#10 by OrkhanAliyev

could you please give me a tip about to express an entity as a light source if you know?
I think you need write code something like this, but I'am not for sure

Code: Select all
SEntitySlotInfo slotLightInfo; m_pEntity->GetSlotInfo(nLightSlot, slotLightInfo); ILightSource* pLightSource = slotLightInfo.pLight;

I'll try it. Thank you, though.

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