Files
mmkrp_2026/lua/postprocess/sunbeams.lua
2026-03-15 14:54:49 +03:00

78 lines
2.5 KiB
Lua

local matSunbeams = Material( "pp/sunbeams" )
matSunbeams:SetTexture( "$fbtexture", render.GetScreenEffectTexture() )
--[[---------------------------------------------------------
Register the convars that will control this effect
-----------------------------------------------------------]]
local pp_sunbeams = CreateClientConVar( "pp_sunbeams", "0", false, false )
local pp_sunbeams_darken = CreateClientConVar( "pp_sunbeams_darken", "0.95", true, false )
local pp_sunbeams_multiply = CreateClientConVar( "pp_sunbeams_multiply", "1.0", true, false )
local pp_sunbeams_sunsize = CreateClientConVar( "pp_sunbeams_sunsize", "0.075", true, false )
function DrawSunbeams( darken, multiply, sunsize, sunx, suny )
if ( !render.SupportsPixelShaders_2_0() ) then return end
render.CopyRenderTargetToTexture( render.GetScreenEffectTexture() )
matSunbeams:SetFloat( "$darken", darken )
matSunbeams:SetFloat( "$multiply", multiply )
matSunbeams:SetFloat( "$sunx", sunx )
matSunbeams:SetFloat( "$suny", suny )
matSunbeams:SetFloat( "$sunsize", sunsize )
render.SetMaterial( matSunbeams )
render.DrawScreenQuad()
end
hook.Add( "RenderScreenspaceEffects", "RenderSunbeams", function()
if ( !pp_sunbeams:GetBool() ) then return end
if ( !GAMEMODE:PostProcessPermitted( "sunbeams" ) ) then return end
if ( !render.SupportsPixelShaders_2_0() ) then return end
local sun = util.GetSunInfo()
if ( !sun ) then return end
if ( sun.obstruction == 0 ) then return end
local sunpos = EyePos() + sun.direction * 4096
local scrpos = sunpos:ToScreen()
local dot = ( sun.direction:Dot( EyeVector() ) - 0.8 ) * 5
if ( dot <= 0 ) then return end
DrawSunbeams( pp_sunbeams_darken:GetFloat(), pp_sunbeams_multiply:GetFloat() * dot * sun.obstruction, pp_sunbeams_sunsize:GetFloat(), scrpos.x / ScrW(), scrpos.y / ScrH() )
end )
list.Set( "PostProcess", "#sunbeams_pp", {
icon = "gui/postprocess/sunrays.png",
convar = "pp_sunbeams",
category = "#shaders_pp",
cpanel = function( CPanel )
CPanel:Help( "#sunbeams_pp.desc" )
CPanel:CheckBox( "#sunbeams_pp.enable", "pp_sunbeams" )
local options = {
pp_sunbeams = "0",
pp_sunbeams_darken = "0.95",
pp_sunbeams_multiply = "1",
pp_sunbeams_sunsize = "0.075"
}
CPanel:ToolPresets( "sunbeams", options )
CPanel:NumSlider( "#sunbeams_pp.multiply", "pp_sunbeams_multiply", 0, 1 )
CPanel:NumSlider( "#sunbeams_pp.darken", "pp_sunbeams_darken", 0, 1 )
CPanel:NumSlider( "#sunbeams_pp.size", "pp_sunbeams_sunsize", 0.01, 0.25 )
end
} )