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lua/postprocess/sharpen.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+local matSharpen = Material( "pp/sharpen" )
+matSharpen:SetTexture( "$fbtexture", render.GetScreenEffectTexture() )
+
+--[[---------------------------------------------------------
+	Register the convars that will control this effect
+-----------------------------------------------------------]]
+local pp_sharpen = CreateClientConVar( "pp_sharpen", "0", false, false )
+local pp_sharpen_contrast = CreateClientConVar( "pp_sharpen_contrast", "1", true, false )
+local pp_sharpen_distance = CreateClientConVar( "pp_sharpen_distance", "1", true, false )
+
+function DrawSharpen( contrast, distance )
+
+	render.CopyRenderTargetToTexture( render.GetScreenEffectTexture() )
+
+	matSharpen:SetFloat( "$contrast", contrast )
+	matSharpen:SetFloat( "$distance", distance / ScrW() )
+
+	render.SetMaterial( matSharpen )
+	render.DrawScreenQuad()
+
+end
+
+hook.Add( "RenderScreenspaceEffects", "RenderSharpen", function()
+
+	if ( !pp_sharpen:GetBool() ) then return end
+	if ( !GAMEMODE:PostProcessPermitted( "sharpen" ) ) then return end
+
+	DrawSharpen( pp_sharpen_contrast:GetFloat(), pp_sharpen_distance:GetFloat() )
+
+end )
+
+list.Set( "PostProcess", "#sharpen_pp", {
+
+	icon = "gui/postprocess/sharpen.png",
+	convar = "pp_sharpen",
+	category = "#shaders_pp",
+
+	cpanel = function( CPanel )
+
+		CPanel:AddControl( "Header", { Description = "#sharpen_pp.desc" } )
+		CPanel:AddControl( "CheckBox", { Label = "#sharpen_pp.enable", Command = "pp_sharpen" } )
+
+		local params = { Options = {}, CVars = {}, MenuButton = "1", Folder = "sharpen" }
+		params.Options[ "#preset.default" ] = { pp_sharpen_distance = "1", pp_sharpen_contrast = "1" }
+		params.CVars = table.GetKeys( params.Options[ "#preset.default" ] )
+		CPanel:AddControl( "ComboBox", params )
+
+		CPanel:AddControl( "Slider", { Label = "#sharpen_pp.distance", Command = "pp_sharpen_distance", Type = "Float", Min = "-5", Max = "5" } )
+		CPanel:AddControl( "Slider", { Label = "#sharpen_pp.contrast", Command = "pp_sharpen_contrast", Type = "Float", Min = "0", Max = "20" } )
+
+	end
+
+} )