Irrlicht Lime is a .NET wrapper for Irrlicht Engine

grunt · Post by **grunt** » Tue Dec 07, 2010 8:05 pm

just wanted to share how I got this working with Jitter Physics:

http://jitter-physics.com/phpBB3/viewto ... p=161#p161

greenya · Post by **greenya** » Wed Dec 08, 2010 7:01 pm

grunt,
looks good, and fps is also high enough (what i see from window' title bar).

johnktbk · Post by **johnktbk** » Sun Dec 12, 2010 4:15 pm

i've registered special for this thread to say thank you for amazing .net wrapper :------------------------------)

grunt · Post by **grunt** » Tue Dec 14, 2010 8:15 pm

Do you think you could enable the forums on your sourceforge page so that we can have a board solely for irrlicht lime and not just keep replying to this thread.

greenya · Post by **greenya** » Wed Dec 15, 2010 12:17 am

grunt,

I can enable forum on sourceforge, but I see there is not many questions on Lime here. If we get more activity (more question and more users) here I would set up a dedicated forum. For now i do not see a reason doing so.

grunt · Post by **grunt** » Wed Dec 15, 2010 6:10 am

maybe someone can help me find out why methods are being called for my custom scenenode even when putting:

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AddHandler me.OnRegisterSceneNode, AddressOf CDecal_OnRegisterSceneNode
			AddHandler Me.OnRender, AddressOf CDecal_OnRender
			AddHandler Me.OnGetBoundingBox, AddressOf CDecal_OnGetBoundingBox
			AddHandler Me.OnGetMaterialCount, AddressOf CDecal_OnGetMaterialCount
			AddHandler Me.OnGetMaterial, AddressOf CDecal_OnGetMaterial

grunt · Post by **grunt** » Mon Dec 20, 2010 5:29 am

Code: Select all

Public Class CDecal
		Inherits SceneNode
		Private bbox As New AABBox()
		Private vertices As New List(of vertex3d)
		Private material As New Material()
		
		Public Sub New(parent As SceneNode, smgr As SceneManager, id As Integer, size as Single, byval tex as string)
			MyBase.New(parent, smgr, id)

			AddHandler OnRegisterSceneNode, AddressOf me.CDecal_OnRegisterSceneNode
			AddHandler OnRender, AddressOf me.CDecal_OnRender
			AddHandler OnGetBoundingBox, AddressOf me.CDecal_OnGetBoundingBox
			AddHandler OnGetMaterialCount, AddressOf me.CDecal_OnGetMaterialCount
			AddHandler OnGetMaterial, AddressOf me.CDecal_OnGetMaterial
			
			material.Wireframe = false
			material.Lighting = False
			
			vertices.Add(New Vertex3D(New Vector3Df(-1, 1, 0)))
			vertices.Add(New Vertex3D(New Vector3Df(1, 1, 0)))
			vertices.Add(New Vertex3D(New Vector3Df(1, -1, 0)))
			vertices.Add(New Vertex3D(New Vector3Df(-1, -1, 0)))
			
			dim t as Texture = dev.VideoDriver.GetTexture(tex)

			me.SetMaterialTexture(0, t)
		End Sub

		Private Sub CDecal_OnRegisterSceneNode()
			If Visible Then
				SceneManager.RegisterNodeForRendering(Me)
			End If
		End Sub

		Private Sub CDecal_OnRender()
			Dim indices As New List(Of UShort)()

			indices.Add(0)
			indices.Add(1)
			indices.Add(2)
			indices.Add(1)
			indices.Add(2)
			indices.Add(3)
			
			dev.VideoDriver.SetMaterial(material)
			dev.videodriver.SetTransform(TransformationState.World, AbsoluteTransformation)
			dev.videodriver.DrawVertexPrimitiveList(vertices, indices)
		End Sub

		Private Function CDecal_OnGetBoundingBox() As AABBox
			Return bbox
		End Function

		Private Function CDecal_OnGetMaterialCount() As Integer
			Return 1
		End Function

		Private Function CDecal_OnGetMaterial(index As Integer) As Material
			Return material
		End Function
	End Class

My methods are not being called, can anybody tell me why?

greenya · Post by **greenya** » Mon Dec 20, 2010 6:57 pm

I do not know VB.NET sorry.

BlackCheetah · Post by **BlackCheetah** » Tue Jan 11, 2011 10:59 pm

Grunt does the Scenemanager for a Device add this node? or Do you add the node to that scenemanagers parent? (Don't know VB very well)

Thank you for this rapper, GreenYa! I had trouble trying to get it to work because of assembly not loading, but it was fixed by convert my project to .net 4.0 and rebuilding the lime code into 4.0 visual 2010.

I having been making a 2D game engine with csscripting for a year and irrlicht.net has been great to me, but because of Lime I am up to date with a very good framerate!

grunt · Post by **grunt** » Tue Jan 25, 2011 11:20 pm

not sure what the problem is here but if I add a shadowvolumescenenode, then the shadowing gets all messed up as you can see in this image:

If I change it to direct3d8, the shadow works but then the reflections are garbled as seen in this image. Not sure if this has to be doing with the fact that it is embedded in windows forms and Im running it in a thread.

I just wish both would work at the same time. OpenGL doesnt work at all for me in winforms. Same thing happens on my laptop.

greenya · Post by **greenya** » Wed Jan 26, 2011 8:45 am

I wouldn't expect much from shadows implementation in Irrlicht. As i know it unable to build shadow with correct projection (I have described this in http://irrlicht.sourceforge.net/phpBB2/ ... hp?t=25717). Also i have tested on different video cards (actually Radeon 200M, Radeon X1650, GF 9600M and GF 8600) and noticed that shadows renders not very good for all video cards (Radeons has weeker implementation of OpenGL, but maybe this is not truth for top Radeon cards): i have transparent dots all over the shadow volume, some times complete triangles are transparent (of a shadow volume).

So I think that in your example, it is one of the same problems. Anyway, I don't think that this is wrapper's bug. But, I can test it for you, if you write small as possible test case (in C#) - I will translate it in C++ and check and post the result.

grunt · Post by **grunt** » Sun Jan 30, 2011 5:52 am

yeah, a bug with irrlicht not wrapper.

On another note, Im looking for quaternions in irrlichtlime.core? Have those been implemented yet?

greenya · Post by **greenya** » Sun Jan 30, 2011 8:55 am

grunt wrote:On another note, Im looking for quaternions in irrlichtlime.core? Have those been implemented yet?

No, for now this is not ported. I will port it in next release when get some time for it.

greenya · Post by **greenya** » Thu Mar 03, 2011 3:22 pm

Version 0.8 has been released

New examples: 19.MouseAndJoystick and L05.ScreenshotToTexture.

Release Notes

~
Added attributes support. Added Attrbiutes class and all (or almost all) which uses it. It is possible now to read and write VideoDriver.Attributes and SceneManager.Attributes. You can create your own empty attributes collection by FileSystem.CreateAttributes().

~
Added JoystickInfo class and IrrlcihtDevice.ActivateJoysticks().

~
Added class Quaternion, ViewFrustum and CameraSceneNode.ViewFrustum prop.

L05.ScreenshotToTexture
This example demonstrates how easily to grab screenshot data from the desktop. Indeed it uses 512x512 window and the texture of the same size; each frame it updates the texture using 512x512 rectange on the desktop with the center of mouse cursor. This example also demonstarates how to convert .NET Bitmap object to Irrlicht Lime Texture object on the fly, see getDesktopTexture() method for details. It runs at about 20 fps (on two machines that i checked) just because i believe desktop cannot be grabbed more often.

Sceenshot:

~
Updated Irrlicht SDK to trunk rev. 3601.

See changes.txt for full list of changes.

Zurzaza · Post by **Zurzaza** » Tue Mar 22, 2011 9:23 pm

Hi, i'm using your wrapper, and I found It very helpful!
I'm using it on a Managed C++ Project, I added a Panel to show the irrlicht's output..but...everything is blank! The panel doesn't change his color, but the FPS counter works! I found that the problem is in the irrlicht's parameters initialization:

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params->WindowID = this->panel1->Handle;

It seems that the Handle is not correct...In fact, if I overwrite the code with this one

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params->WindowID = 0;

or with this

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params->WindowID = this->Handle; //Form handle

The graphics still appears...why that?!