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lua/includes/extensions/client/render.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/
+--]]
+
+
+-- We don't want this to run in menu state, and render.GetAmbientLightColor doesn't exist in menu state
+if ( !render || !render.GetAmbientLightColor ) then return end
+
+--[[---------------------------------------------------------
+  Short aliases for stencil constants
+-----------------------------------------------------------]]
+
+STENCIL_NEVER = STENCILCOMPARISONFUNCTION_NEVER
+STENCIL_LESS = STENCILCOMPARISONFUNCTION_LESS
+STENCIL_EQUAL = STENCILCOMPARISONFUNCTION_EQUAL
+STENCIL_LESSEQUAL = STENCILCOMPARISONFUNCTION_LESSEQUAL
+STENCIL_GREATER = STENCILCOMPARISONFUNCTION_GREATER
+STENCIL_NOTEQUAL = STENCILCOMPARISONFUNCTION_NOTEQUAL
+STENCIL_GREATEREQUAL = STENCILCOMPARISONFUNCTION_GREATEREQUAL
+STENCIL_ALWAYS = STENCILCOMPARISONFUNCTION_ALWAYS
+
+STENCIL_KEEP = STENCILOPERATION_KEEP
+STENCIL_ZERO = STENCILOPERATION_ZERO
+STENCIL_REPLACE = STENCILOPERATION_REPLACE
+STENCIL_INCRSAT = STENCILOPERATION_INCRSAT
+STENCIL_DECRSAT = STENCILOPERATION_DECRSAT
+STENCIL_INVERT = STENCILOPERATION_INVERT
+STENCIL_INCR = STENCILOPERATION_INCR
+STENCIL_DECR = STENCILOPERATION_DECR
+
+--[[---------------------------------------------------------
+   Name:	ClearRenderTarget
+   Params: 	<texture> <color>
+   Desc:	Clear a render target
+-----------------------------------------------------------]]
+function render.ClearRenderTarget( rt, color )
+
+	local OldRT = render.GetRenderTarget();
+		render.SetRenderTarget( rt )
+		render.Clear( color.r, color.g, color.b, color.a )
+	render.SetRenderTarget( OldRT )
+
+end
+
+
+--[[---------------------------------------------------------
+   Name:	SupportsHDR
+   Params:
+   Desc:	Return true if the client supports HDR
+-----------------------------------------------------------]]
+function render.SupportsHDR( )
+
+	if ( render.GetDXLevel() < 80 ) then return false end
+
+	return true
+
+end
+
+
+--[[---------------------------------------------------------
+   Name:	CopyTexture
+   Params: 	<texture from> <texture to>
+   Desc:	Copy the contents of one texture to another
+-----------------------------------------------------------]]
+function render.CopyTexture( from, to )
+
+	local OldRT = render.GetRenderTarget();
+
+		render.SetRenderTarget( from )
+		render.CopyRenderTargetToTexture( to )
+
+	render.SetRenderTarget( OldRT )
+
+end
+
+local matColor = Material( "color" )
+
+function render.SetColorMaterial()
+	render.SetMaterial( matColor )
+end
+
+local matColorIgnoreZ = Material( "color_ignorez" )
+
+function render.SetColorMaterialIgnoreZ()
+	render.SetMaterial( matColorIgnoreZ )
+end
+
+local mat_BlurX			= Material( "pp/blurx" )
+local mat_BlurY			= Material( "pp/blury" )
+local tex_Bloom1		= render.GetBloomTex1()
+
+function render.BlurRenderTarget( rt, sizex, sizey, passes )
+
+	mat_BlurX:SetTexture( "$basetexture", rt )
+	mat_BlurY:SetTexture( "$basetexture", tex_Bloom1 )
+	mat_BlurX:SetFloat( "$size", sizex )
+	mat_BlurY:SetFloat( "$size", sizey )
+
+	for i=1, passes+1 do
+
+		render.SetRenderTarget( tex_Bloom1 )
+		render.SetMaterial( mat_BlurX )
+		render.DrawScreenQuad()
+
+		render.SetRenderTarget( rt )
+		render.SetMaterial( mat_BlurY )
+		render.DrawScreenQuad()
+
+	end
+
+end
+
+function cam.Start2D()
+
+	return cam.Start( { type = '2D' } )
+
+end
+
+function cam.Start3D( pos, ang, fov, x, y, w, h, znear, zfar )
+
+	local tab = {}
+
+	tab.type = '3D';
+	tab.origin = pos
+	tab.angles = ang
+
+	if ( fov != nil ) then tab.fov = fov end
+
+	if ( x != nil && y != nil && w != nil && h != nil ) then
+
+		tab.x			= x
+		tab.y			= y
+		tab.w			= w
+		tab.h			= h
+		tab.aspect		= ( w / h )
+
+	end
+
+	if ( znear != nil && zfar != nil ) then
+
+		tab.znear	= znear
+		tab.zfar	= zfar
+
+	end
+
+	return cam.Start( tab )
+
+end
+
+local matFSB = Material( "pp/motionblur" )
+
+function render.DrawTextureToScreen( tex )
+
+	matFSB:SetFloat( "$alpha", 1.0 )
+	matFSB:SetTexture( "$basetexture", tex )
+
+	render.SetMaterial( matFSB )
+	render.DrawScreenQuad()
+
+end
+
+function render.DrawTextureToScreenRect( tex, x, y, w, h )
+
+	matFSB:SetFloat( "$alpha", 1.0 )
+	matFSB:SetTexture( "$basetexture", tex )
+
+	render.SetMaterial( matFSB )
+	render.DrawScreenQuadEx( x, y, w, h )
+
+end
+
+
+--
+-- This isn't very fast. If you're doing something every frame you should find a way to
+-- cache a ClientsideModel and keep it around! This is fine for rendering to a render
+-- target once - or something.
+--
+
+function render.Model( tbl, ent )
+
+	local inent = ent
+
+	if ( ent == nil ) then
+		ent = ClientsideModel( tbl.model or "error.mdl", RENDERGROUP_OTHER )
+	end
+
+	if ( !IsValid( ent ) ) then return end
+
+	ent:SetModel( tbl.model or "error.mdl" )
+	ent:SetNoDraw( true )
+
+	ent:SetPos( tbl.pos or vector_origin )
+	ent:SetAngles( tbl.angle or angle_zero )
+	ent:DrawModel()
+
+	--
+	-- If we created the model, then remove it!
+	--
+	if ( inent != ent ) then
+		ent:Remove()
+	end
+
+end