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lua/tfa/att/si_rt_base.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/
+--]]
+
+
+-- Copyright (c) 2018-2020 TFA Base Devs
+
+-- Permission is hereby granted, free of charge, to any person obtaining a copy
+-- of this software and associated documentation files (the "Software"), to deal
+-- in the Software without restriction, including without limitation the rights
+-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+-- copies of the Software, and to permit persons to whom the Software is
+-- furnished to do so, subject to the following conditions:
+
+-- The above copyright notice and this permission notice shall be included in all
+-- copies or substantial portions of the Software.
+
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+-- SOFTWARE.
+
+if not ATTACHMENT then
+	ATTACHMENT = {}
+end
+
+ATTACHMENT.Name = "RT Scope Base"
+ATTACHMENT.Description = {}
+
+ATTACHMENT.WeaponTable = {
+	["RTDrawEnabled"] = true,
+
+	-- ["RTScopeFOV"] = 90 / 1 / 2, -- Default FOV / Scope Zoom / screenscale
+	-- ["RTScopeAttachment"] = -1,
+
+	-- ["RTReticleMaterial"] = Material("scope/gdcw_acog"),
+	-- ["RTReticleColor"] = color_white,
+	-- ["RTReticleScale"] = 1,
+
+	-- ["RTShadowMaterial"] = Material("vgui/scope_shadowmask_test"),
+	-- ["RTShadowColor"] = color_white,
+	-- ["RTShadowScale"] = 2,
+}
+
+local cd = {}
+
+local fallbackReticle = Material("scope/gdcw_scopesightonly")
+local fallbackShadow = Material("vgui/scope_shadowmask_test")
+
+local flipcv = GetConVar("cl_tfa_viewmodel_flip")
+
+function ATTACHMENT:RTCode(wep, rt, scrw, scrh)
+	if not wep.OwnerIsValid or not wep:VMIV() then return end
+
+	local rtw, rth = rt:Width(), rt:Height()
+
+	-- clearing view
+	render.OverrideAlphaWriteEnable(true, true)
+	surface.SetDrawColor(color_white)
+	surface.DrawRect(-rtw, -rth, rtw * 2, rth * 2)
+
+	local vm = wep.OwnerViewModel
+
+	local ang = vm:GetAngles()
+
+	local isang = wep:GetStatL("IronSightsAngle") * wep:GetIronSightsProgress()
+
+	ang:RotateAroundAxis(ang:Forward(), -isang.z)
+	ang:RotateAroundAxis(ang:Right(), -isang.x)
+	ang:RotateAroundAxis(ang:Up(), -isang.y)
+
+	ang:RotateAroundAxis(ang:Forward(), isang.z)
+
+	local scopeAtt = wep:GetStatL("RTScopeAttachment", -1)
+
+	if scopeAtt > 0 then
+		local AngPos = vm:GetAttachment(scopeAtt)
+
+		if AngPos then
+			ang = AngPos.Ang
+
+			if flipcv:GetBool() then
+				ang.y = -ang.y
+			end
+		end
+	end
+
+	cd.angles = ang
+	cd.origin = wep:GetOwner():GetShootPos()
+	cd.x = 0
+	cd.y = 0
+	cd.w = rtw
+	cd.h = rth
+	cd.fov = wep:GetStatL("RTScopeFOV", 90 / wep:GetStatL("ScopeZoom", 1) / 2)
+	cd.drawviewmodel = false
+	cd.drawhud = false
+
+	-- main RT render view
+	render.Clear(0, 0, 0, 255, true, true)
+	render.SetScissorRect(0, 0, rtw, rth, true)
+
+	if wep:GetIronSightsProgress() > 0.005 then
+		render.RenderView(cd)
+	end
+
+	render.SetScissorRect(0, 0, rtw, rth, false)
+	render.OverrideAlphaWriteEnable(false, true)
+
+	cam.Start2D()
+
+	-- ADS transition darkening
+	draw.NoTexture()
+	surface.SetDrawColor(ColorAlpha(color_black, 255 * (1 - wep:GetIronSightsProgress())))
+	surface.DrawRect(0, 0, rtw, rth)
+
+	surface.SetMaterial(wep:GetStatL("RTReticleMaterial", fallbackReticle))
+	surface.SetDrawColor(wep:GetStatL("RTReticleColor", color_white))
+	local retScale = wep:GetStatL("RTReticleScale", 1)
+	surface.DrawTexturedRect(rtw / 2 - rtw * retScale / 2, rth / 2 - rth * retScale / 2, rtw * retScale, rth * retScale)
+
+	surface.SetMaterial(wep:GetStatL("RTShadowMaterial", fallbackShadow))
+	surface.SetDrawColor(wep:GetStatL("RTShadowColor", color_white))
+	local shadScale = wep:GetStatL("RTShadowScale", 2)
+	surface.DrawTexturedRect(rtw / 2 - rtw * shadScale / 2, rth / 2 - rth * shadScale / 2, rtw * shadScale, rth * shadScale)
+
+	cam.End2D()
+end
+
+if not TFA_ATTACHMENT_ISUPDATING then
+	TFAUpdateAttachments()
+end