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Leadwerks Game Engine 4.6 Released

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Leadwerks Game Engine 4.6 is now available on Steam! This free update adds Steam peer-to-peer networking, lobbies, voice chat, and more. A new multiplayer game template makes it easy to get started with your own multiplayer games, adding new depth and interactivity to the fun.

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We've also added over 100 bug fixes, making this the most stable release ever to build your game on!

New classes:

Other changes:

  • New parameters for better control over physics springs.
  • World::Update() now has an optional parameter for number of sub-steps, can be used for improved physics precision.
  • Model editor view range is calculated from model extents, so if you load a model that is huge it won't be invisible.
  • Model editor displays number of limbs as well as vertices and triangles.
  • Settings file is now saved any time changes are made in the options editor.
  • Menu item added for Leadwerks Marketplace.
  • Menu item added for Discord chat.
  • Linux version of engine now built on Ubuntu 18.04.
  • Like 7


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i updated project and i have this error, in Scripts/GUI/Button.lua:

image.png.9c99529c00056cf2bd14694458c9266c.png

Can you consider not modifying the Main.lua on project update? not a big problem just annoying.

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I try to avoid updating it when possible.

The styles system for GUI widgets has changed slightly. Your styles are built-in constants like this:
SLIDER_SCROLLBAR

I will update the docs today.

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@aiaf A copy of your original script has also been created with a .bak extension.

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The style system change results in a lot of manual source updating and since i make use of the GUI system in basicly all of my projects, that's alot of code to change.
Maiby i will have to write a small tool that does it for me... i guess notepad++ could achieve it 
nonetheless nice work on the update.

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One question, to use the online multiplayer, do I have to have steam with all the privileges

This is because my account is limited to steam.

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I don't know. Try running the multiplayer example and see!

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I have released the online player example, but I don't know how to test it locally.  I have a "Test Yue" server

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Test Server Yue, One thing I've noticed is that pressing the jump key crashes the game.

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If a server is being created, then it works. You just need someone to play with you!

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I think I don't quite understand the concept of online in leadwerks.

I mean, can you only play players who have a steam account?
If it is correct, how can I create a game and test it?

It's trying to create a server on another computer and I got a "we couldn't create the server, fails" sign.

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There is a text file called steam_appid.txt that contains an app id. If you include that you can operate under the dummy “Spacewar” game.

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I can not understand, to create the server I need to have the steam account open, otherwise it does not work to create a server.

The file you idces has a number 480.

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I got a steam message that I've been banned by something called VAC.

Valve Anti-Trap System (VAC)
VAC locks are permanent, non-negotiable and cannot be removed by the Steam Support team.

 
If a VAC lock is determined to have been applied by mistake, it will be automatically removed. If you would like to discuss Valve's anti-cheating system with the Community, you can do so here.

Because my account is limited and I did not purchase five dollars.  

:(

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Damn dude. I guess we solved that question! I am sorry.

Click that link that says "here". If you need help you can tell them to contact me.

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  • Blog Entries

    • By Josh in Josh's Dev Blog 2
      I started to implement quads for tessellation, and at that point the shader system reached the point of being unmanageable. Rendering an object to a shadow map and to a color buffer are two different processes that require two different shaders. Turbo introduces an early Z-pass which can use another shader, and if variance shadow maps are not in use this can be a different shader from the shadow shader. Rendering with tessellation requires another set of shaders, with one different set for each primitive type (isolines, triangles, and quads). And then each one of these needs a masked and opaque option, if alpha discard is enabled.
      All in all, there are currently 48 different shaders a material could use based on what is currently being drawn. This is unmanageable.
      To handle this I am introducing the concept of a "shader family". This is a JSON file that lists all possible permutations of a shader. Instead of setting lots of different shaders in a material, you just set the shader family one:
      shaderFamily: "PBR.json" Or in code:
      material->SetShaderFamily(LoadShaderFamily("PBR.json")); The shader family file is a big JSON structure that contains all the different shader modules for each different rendering configuration: Here are the partial contents of my PBR.json file:
      { "turboShaderFamily" : { "OPAQUE": { "default": { "base": { "vertex": "Shaders/PBR.vert.spv", "fragment": "Shaders/PBR.frag.spv" }, "depthPass": { "vertex": "Shaders/Depthpass.vert.spv" }, "shadow": { "vertex": "Shaders/Shadow.vert.spv" } }, "isolines": { "base": { "vertex": "Shaders/PBR_Tess.vert.spv", "tessellationControl": "Shaders/Isolines.tesc.spv", "tessellationEvaluation": "Shaders/Isolines.tese.spv", "fragment": "Shaders/PBR_Tess.frag.spv" }, "shadow": { "vertex": "Shaders/DepthPass_Tess.vert.spv", "tessellationControl": "Shaders/DepthPass_Isolines.tesc.spv", "tessellationEvaluation": "Shaders/DepthPass_Isolines.tese.spv" }, "depthPass": { "vertex": "Shaders/DepthPass_Tess.vert.spv", "tessellationControl": "DepthPass_Isolines.tesc.spv", "tessellationEvaluation": "DepthPass_Isolines.tese.spv" } }, "triangles": { "base": { "vertex": "Shaders/PBR_Tess.vert.spv", "tessellationControl": "Shaders/Triangles.tesc.spv", "tessellationEvaluation": "Shaders/Triangles.tese.spv", "fragment": "Shaders/PBR_Tess.frag.spv" }, "shadow": { "vertex": "Shaders/DepthPass_Tess.vert.spv", "tessellationControl": "Shaders/DepthPass_Triangles.tesc.spv", "tessellationEvaluation": "Shaders/DepthPass_Triangles.tese.spv" }, "depthPass": { "vertex": "Shaders/DepthPass_Tess.vert.spv", "tessellationControl": "DepthPass_Triangles.tesc.spv", "tessellationEvaluation": "DepthPass_Triangles.tese.spv" } }, "quads": { "base": { "vertex": "Shaders/PBR_Tess.vert.spv", "tessellationControl": "Shaders/Quads.tesc.spv", "tessellationEvaluation": "Shaders/Quads.tese.spv", "fragment": "Shaders/PBR_Tess.frag.spv" }, "shadow": { "vertex": "Shaders/DepthPass_Tess.vert.spv", "tessellationControl": "Shaders/DepthPass_Quads.tesc.spv", "tessellationEvaluation": "Shaders/DepthPass_Quads.tese.spv" }, "depthPass": { "vertex": "Shaders/DepthPass_Tess.vert.spv", "tessellationControl": "DepthPass_Quads.tesc.spv", "tessellationEvaluation": "DepthPass_Quads.tese.spv" } } } } } A shader family file can indicate a root to inherit values from. The Blinn-Phong shader family pulls settings from the PBR file and just switches some of the fragment shader values.
      { "turboShaderFamily" : { "root": "PBR.json", "OPAQUE": { "default": { "base": { "fragment": "Shaders/Blinn-Phong.frag.spv" } }, "isolines": { "base": { "fragment": "Shaders/Blinn-Phong_Tess.frag.spv" } }, "triangles": { "base": { "fragment": "Shaders/Blinn-Phong_Tess.frag.spv" } }, "quads": { "base": { "fragment": "Shaders/Blinn-Phong_Tess.frag.spv" } } } } } If you want to implement a custom shader, this is more work because you have to define all your changes for each possible shader variation. But once that is done, you have a new shader that will work with all of these different settings, which in the end is easier. I considered making a more complex inheritance / cascading schema but I think eliminating ambiguity is the most important goal in this and that should override any concern about the verbosity of these files. After all, I only plan on providing a couple of these files and you aren't going to need any more unless you are doing a lot of custom shaders. And if you are, this is the best solution for you anyways.
      Consequently, the baseShader, depthShader, etc. values in the material file definition are going away. Leadwerks .mat files will always use the Blinn-Phong shader family, and there is no way to change this without creating a material file in the new JSON material format.
      The shader class is no longer derived from the Asset class because it doesn't correspond to a single file. Instead, it is just a dumb container. A ShaderModule class derived from the Asset class has been added, and this does correspond with a single .spv file. But you, the user, won't really need to deal with any of this.
      The result of this is that one material will work with tessellation enabled or disabled, quad, triangle, or line meshes, and animated meshes. I also added an optional parameter in the CreatePlane(), CreateBox(), and CreateQuadSphere() commands that will create these primitives out of quads instead of triangles. The main reason for supporting quad meshes is that the tessellation is cleaner when quads are used. (Note that Vulkan still displays quads in wireframe mode as if they are triangles. I think the renderer probably converts them to normal triangles after the tessellation stage.)


      I also was able to implement PN Quads, which is a quad version of the Bezier curve that PN Triangles add to tessellation.



      Basically all the complexity is being packed into the shader family file so that these decisions only have to be made once instead of thousands of times for each different material.
    • By Josh in Josh's Dev Blog 0
      I'm back from I/ITSEC. This conference is basically like the military's version of GDC. VR applications built with Leadwerks took up about half of Northrop Grumman's booth. There were many interesting discussions about new technology and I received a very warm reception. I feel very positive about our new technology going forward.

      I am currently reworking the text field widget script to work with our persistent 2D objects. This is long and boring but needs to be done. Not much else to say right now.
    • By Josh in Josh's Dev Blog 4
      Here are some screenshots showing more complex interface items scaled at different resolutions. First, here is the interface at 100% scaling:

      And here is the same interface at the same screen resolution, with the DPI scaling turned up to 150%:

      The code to control this is sort of complex, and I don't care. GUI resolution independence is a complicated thing, so the goal should be to create a system that does what it is supposed to do reliably, not to make complicated things simpler at the expense of functionality.
      function widget:Draw(x,y,width,height) local scale = self.gui:GetScale() self.primitives[1].size = iVec2(self.size.x, self.size.y - self.tabsize.y * scale) self.primitives[2].size = iVec2(self.size.x, self.size.y - self.tabsize.y * scale) --Tabs local n local tabpos = 0 for n = 1, #self.items do local tw = self:TabWidth(n) * scale if n * 3 > #self.primitives - 2 then self:AddRect(iVec2(tabpos,0), iVec2(tw, self.tabsize.y * scale), self.bordercolor, false, self.itemcornerradius * scale) self:AddRect(iVec2(tabpos+1,1), iVec2(tw, self.tabsize.y * scale) - iVec2(2 * scale,-1 * scale), self.backgroundcolor, false, self.itemcornerradius * scale) self:AddTextRect(self.items[n].text, iVec2(tabpos,0), iVec2(tw, self.tabsize.y*scale), self.textcolor, TEXT_CENTER + TEXT_MIDDLE) end if self:SelectedItem() == n then self.primitives[2 + (n - 1) * 3 + 1].position = iVec2(tabpos, 0) self.primitives[2 + (n - 1) * 3 + 1].size = iVec2(tw, self.tabsize.y * scale) + iVec2(0,2) self.primitives[2 + (n - 1) * 3 + 2].position = iVec2(tabpos + 1, 1) self.primitives[2 + (n - 1) * 3 + 2].color = self.selectedtabcolor self.primitives[2 + (n - 1) * 3 + 2].size = iVec2(tw, self.tabsize.y * scale) - iVec2(2,-1) self.primitives[2 + (n - 1) * 3 + 3].color = self.hoveredtextcolor self.primitives[2 + (n - 1) * 3 + 1].position = iVec2(tabpos,0) self.primitives[2 + (n - 1) * 3 + 2].position = iVec2(tabpos + 1, 1) self.primitives[2 + (n - 1) * 3 + 3].position = iVec2(tabpos,0) else self.primitives[2 + (n - 1) * 3 + 1].size = iVec2(tw, self.tabsize.y * scale) self.primitives[2 + (n - 1) * 3 + 2].color = self.tabcolor self.primitives[2 + (n - 1) * 3 + 2].size = iVec2(tw, self.tabsize.y * scale) - iVec2(2,2) if n == self.hovereditem then self.primitives[2 + (n - 1) * 3 + 3].color = self.hoveredtextcolor else self.primitives[2 + (n - 1) * 3 + 3].color = self.textcolor end self.primitives[2 + (n - 1) * 3 + 1].position = iVec2(tabpos,2) self.primitives[2 + (n - 1) * 3 + 2].position = iVec2(tabpos + 1, 3) self.primitives[2 + (n - 1) * 3 + 3].position = iVec2(tabpos,2) end self.primitives[2 + (n - 1) * 3 + 3].text = self.items[n].text tabpos = tabpos + tw - 2 end end  
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