Shaders:PBRShaders: Difference between revisions

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One of the main advantages of PBR - besides looking extremely good for minimal effort by the artists - is how streamlined the process of generating the textures becomes. Regardless of if you created the textures \in an image editing program or in a dedicated texturing app like Substance Painter, you know that "what you see is what you get" - ie. the final look of the model in the target gaming engine will be the same as what you're seeing in your authoring software.
One of the main advantages of PBR - besides looking extremely good for minimal effort by the artists - is how streamlined the process of generating the textures becomes. Regardless of if you created the textures \in an image editing program or in a dedicated texturing app like Substance Painter, you know that "what you see is what you get" - ie. the final look of the model in the target gaming engine will be the same as what you're seeing in your authoring software.


SanguinarioJoe (from Spring 1944) & Ivand (from ZeroK) have developed powerful PBR shaders for the Spring engine.
SanguinarioJoe (from Spring 1944) & Ivand (from ZeroK) have developed powerful PBR shaders for the Spring engine. Follows the related links:
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*[https://github.com/sanguinariojoe/spring1944-materialstest/commit/9696a1dcc42790a627ea27660d67ebf27348ca05 SanguinarioJoe's PBR Shader]
*[https://github.com/sanguinariojoe/spring1944-materialstest/commit/9696a1dcc42790a627ea27660d67ebf27348ca05 SanguinarioJoe's PBR Shader]
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'''Ivand's PBR shader's install instructions'''
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What you will need:
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# Latest maintenance engine. Grab it here: https://springrts.com/dl/buildbot/default/maintenance/
# Custom unit shader gadget. Every mod has a bit different code, check if your game has it, if not copy from somewhere else. ZK variant: https://github.com/lhog/Zero-K/blob/pbrCUS_v1/LuaRules/Gadgets/api_custom_unit_shaders.lua
# PBR shader: https://github.com/lhog/Zero-K/blob/pbrCUS_v1/ModelMaterials/Shaders/pbr.lua
# PBR meta-material definitions: https://github.com/lhog/Zero-K/blob/pbrCUS_v1/ModelMaterials/10_pbr.lua
# model definition with PBR extension: https://github.com/lhog/Zero-K/blob/pbrCUS_v1/Objects3d/unit.dae.lua (replace "unit" by your actual unit model's name)
# unitDef file (ZK style, you might prefer your own): https://github.com/lhog/Zero-K/blob/pbrCUS_v1/units/unit.lua
# model and textures (not on github, provide your own). Make sure texture filenames and channel mappings are specified correctly in unit.dae.lua
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If this all sounds too complicated from the first sight, you can just clone this demo branch: "git clone -b pbrCUS_v1 https://github.com/lhog/Zero-K.git". It's all in there except for textures and .dae file

Revision as of 18:45, 27 September 2018

PBR stands for Physically Based Render, it's a technique for 3D surface shading that tries to replicate the physical properties of light when hitting a given surface. More info: https://en.wikipedia.org/wiki/Physically_based_rendering

One of the main advantages of PBR - besides looking extremely good for minimal effort by the artists - is how streamlined the process of generating the textures becomes. Regardless of if you created the textures \in an image editing program or in a dedicated texturing app like Substance Painter, you know that "what you see is what you get" - ie. the final look of the model in the target gaming engine will be the same as what you're seeing in your authoring software.

SanguinarioJoe (from Spring 1944) & Ivand (from ZeroK) have developed powerful PBR shaders for the Spring engine. Follows the related links:


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