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lua/pac3/libraries/haloex.lua
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228
lua/pac3/libraries/haloex.lua
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--[[
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| This file was obtained through the combined efforts
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| of Madbluntz & Plymouth Antiquarian Society.
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| Credits: lifestorm, Gregory Wayne Rossel JR.,
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| Maloy, DrPepper10 @ RIP, Atle!
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| Visit for more: https://plymouth.thetwilightzone.ru/
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--]]
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--TODO: Remake from current halo code
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local haloex = {}
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local render = render
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local cam = cam
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local lazyload
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local matColor
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local mat_Copy
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local mat_Add
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local mat_Sub
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local rt_Stencil
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local rt_Store
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-- loading these only when needed, should not be too costly
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lazyload = function()
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lazyload = nil
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matColor = Material( "model_color" )
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mat_Copy = Material( "pp/copy" )
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mat_Add = Material( "pp/add" )
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mat_Sub = Material( "pp/sub" )
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rt_Stencil = GetRenderTarget("halo_ex_stencil" .. os.clock(), ScrW()/8, ScrH()/8, true)
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rt_Store = GetRenderTarget("halo_ex_store" .. os.clock(), ScrW(), ScrH(), true)
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end
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local List = {}
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function haloex.Add( ents, color, blurx, blury, passes, add, ignorez, amount, spherical, shape )
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if add == nil then add = true end
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if ignorez == nil then ignorez = false end
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local t =
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{
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Ents = ents,
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Color = color,
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Hidden = when_hidden,
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BlurX = blurx or 2,
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BlurY = blury or 2,
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DrawPasses = passes or 1,
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Additive = add,
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IgnoreZ = ignorez,
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Amount = amount or 1,
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SphericalSize = spherical or 1,
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Shape = shape or 1,
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}
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table.insert( List, t )
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end
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function haloex.Render( entry )
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local OldRT = render.GetRenderTarget()
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-- Copy what's currently on the screen to another texture
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render.CopyRenderTargetToTexture( rt_Store )
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-- Clear the colour and the stencils, not the depth
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if ( entry.Additive ) then
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render.Clear( 0, 0, 0, 255, false, true )
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else
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render.Clear( 255, 255, 255, 255, false, true )
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end
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-- FILL STENCIL
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-- Write to the stencil..
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cam.Start3D( EyePos(), EyeAngles() )
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cam.IgnoreZ( entry.IgnoreZ )
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render.OverrideDepthEnable( true, false ) -- Don't write depth
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render.SetStencilEnable( true );
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render.SetStencilFailOperation( STENCILOPERATION_KEEP );
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render.SetStencilZFailOperation( STENCILOPERATION_KEEP );
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render.SetStencilPassOperation( STENCILOPERATION_REPLACE );
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render.SetStencilCompareFunction( STENCILCOMPARISONFUNCTION_ALWAYS );
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render.SetStencilWriteMask( 1 );
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render.SetStencilReferenceValue( 1 );
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render.SetBlend( 0 ); -- don't render any colour
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for k, v in pairs( entry.Ents ) do
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if ( not IsValid( v ) ) then goto CONTINUE end
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if v.pacDrawModel then
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v:pacDrawModel()
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else
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v:DrawModel()
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end
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::CONTINUE::
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end
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cam.End3D()
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-- FILL COLOUR
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-- Write to the colour buffer
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cam.Start3D( EyePos(), EyeAngles() )
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render.MaterialOverride( matColor )
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cam.IgnoreZ( entry.IgnoreZ )
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render.SetStencilEnable( true );
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render.SetStencilWriteMask( 0 );
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render.SetStencilReferenceValue( 0 );
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render.SetStencilTestMask( 1 );
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render.SetStencilFailOperation( STENCILOPERATION_KEEP );
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render.SetStencilPassOperation( STENCILOPERATION_KEEP );
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render.SetStencilZFailOperation( STENCILOPERATION_KEEP );
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render.SetStencilCompareFunction( STENCILCOMPARISONFUNCTION_NOTEQUAL );
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for k, v in pairs( entry.Ents ) do
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if ( not IsValid( v ) ) then goto CONTINUE end
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render.SetColorModulation( entry.Color.r/255, entry.Color.g/255, entry.Color.b/255 )
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render.SetBlend( entry.Color.a/255 );
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if v.pacDrawModel then
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v:pacDrawModel()
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else
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v:DrawModel()
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end
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::CONTINUE::
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end
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render.MaterialOverride( nil )
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render.SetStencilEnable( false );
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cam.End3D()
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-- BLUR IT
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render.CopyRenderTargetToTexture( rt_Stencil )
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render.OverrideDepthEnable( false, false )
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render.SetStencilEnable( false );
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render.BlurRenderTarget( rt_Stencil, entry.BlurX, entry.BlurY, math.Clamp(entry.Amount,0,32) )
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-- Put our scene back
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render.SetRenderTarget( OldRT )
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render.SetColorModulation( 1, 1, 1 )
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render.SetStencilEnable( false );
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render.OverrideDepthEnable( true, false )
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render.SetBlend( 1 );
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mat_Copy:SetTexture( "$basetexture", rt_Store )
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render.SetMaterial( mat_Copy )
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render.DrawScreenQuad()
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-- DRAW IT TO THE SCEEN
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render.SetStencilEnable( true );
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render.SetStencilWriteMask( 0 );
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render.SetStencilReferenceValue( 0 );
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render.SetStencilTestMask( 1 );
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render.SetStencilFailOperation( STENCILOPERATION_KEEP );
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render.SetStencilPassOperation( STENCILOPERATION_KEEP );
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render.SetStencilZFailOperation( STENCILOPERATION_KEEP );
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render.SetStencilCompareFunction( STENCILCOMPARISONFUNCTION_EQUAL );
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if ( entry.Additive ) then
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mat_Add:SetTexture( "$basetexture", rt_Stencil )
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render.SetMaterial( mat_Add )
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else
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mat_Sub:SetTexture( "$basetexture", rt_Stencil )
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render.SetMaterial( mat_Sub )
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end
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for i=0, math.Clamp(entry.DrawPasses,0,32) do
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local s = entry.SphericalSize
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local n = (i / entry.DrawPasses)
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local x = math.sin(n * math.pi * 2) * s
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local y = math.cos(n * math.pi * 2) * s
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render.DrawScreenQuadEx(
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math.Clamp(x, s * -entry.Shape, s * entry.Shape),
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math.Clamp(y, s * -entry.Shape, s * entry.Shape),
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ScrW(),
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ScrH()
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)
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end
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-- PUT EVERYTHING BACK HOW WE FOUND IT
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render.SetStencilWriteMask( 0 );
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render.SetStencilReferenceValue( 0 );
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render.SetStencilTestMask( 0 );
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render.SetStencilEnable( false )
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render.OverrideDepthEnable( false )
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render.SetBlend( 1 )
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cam.IgnoreZ( false )
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end
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pac.AddHook( "PostDrawEffects", "RenderHaloexs", function()
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if not List[1] then return end
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if lazyload then lazyload() end
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for k, v in pairs( List ) do
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haloex.Render( v )
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end
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List = {}
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end )
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if pac.haloex then
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pac.haloex = haloex
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end
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return haloex
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