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lua/pac3/editor/client/wires.lua
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222
lua/pac3/editor/client/wires.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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local function CubicHermite(p0, p1, m0, m1, t)
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local tS = t*t;
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local tC = tS*t;
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return (2*tC - 3*tS + 1)*p0 + (tC - 2*tS + t)*m0 + (-2*tC + 3*tS)*p1 + (tC - tS)*m1
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end
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local vsamples = {}
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for i=1, 100 do vsamples[#vsamples+1] = {Vector(0,0,0), Color(0,0,0,0)} end
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local math_sqrt = math.sqrt
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local math_abs = math.abs
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local math_max = math.max
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local math_min = math.min
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local math_cos = math.cos
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local math_pi = math.pi
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local black = Color(0,0,0,100)
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local vector_add = Vector(0, 2.5, 0)
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local mtVector = FindMetaTable("Vector")
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local mtColor = getmetatable(black)
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local render_startBeam = render.StartBeam
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local render_endBeam = render.EndBeam
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local render_addBeam = render.AddBeam
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local setVecUnpacked = mtVector.SetUnpacked
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local setColUnpacked = mtColor.SetUnpacked
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local colUnpack = mtColor.Unpack
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local function DrawHermite(width, x0,y0,x1,y1,c0,c1,alpha,samples)
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--[[if x0 < 0 and x1 < 0 then return end
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if x0 > w and x1 > w then return end
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if y0 < 0 and y1 < 0 then return end
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if y0 > h and y1 > h then return end]]
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local r0,g0,b0,a0 = colUnpack(c0)
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local r1,g1,b1,a1 = colUnpack(c1)
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alpha = alpha or 1
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width = width or 5
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local samples = 20
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local positions = vsamples
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samples = samples or 20
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local dx = -(x1 - x0)
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local dy = (y1 - y0)
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local d = math_sqrt(math_max(dx*dx, 8000), dy*dy) * 1.5
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d = math_max(d, math_abs(dy))
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d = math_min(d, 1000)
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d = d * 1.25 / (-dy/300)
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setVecUnpacked(positions[1][1],x0,y0,0)
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positions[1][2] = c0
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for i=1, samples do
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local t = i/samples
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t = 1 - (.5 + math_cos(t * math_pi) * .5)
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local x = CubicHermite(x0, x1, dx >= 0 and d or -d, d, t)
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local y = CubicHermite(y0, y1, 0, 0, t)
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setVecUnpacked(positions[i+1][1],x,y,0)
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setColUnpacked(positions[i+1][2],Lerp(t, r0, r1), Lerp(t, g0, g1), Lerp(t, b0, b1), a0 * alpha)
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end
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render.PushFilterMag( TEXFILTER.LINEAR )
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render.PushFilterMin( TEXFILTER.LINEAR )
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render_startBeam(samples + 1)
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for i = 1, samples + 1 do
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render_addBeam(positions[i][1] + vector_add, width, 0.5, black)
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end
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render_endBeam()
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--render.SetMaterial(Material("cable/smoke.vmt"))
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render_startBeam(samples+1)
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for i=1, samples+1 do
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local curr = positions[i][1]
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render_addBeam(curr, width, ((i/samples)*10000 - 0.5)%1, positions[i][2])
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end
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render_endBeam()
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render.PopFilterMag()
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render.PopFilterMin()
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end
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local function draw_hermite(x,y, w,h, ...)
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local cam3d = {
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type = "3D",
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x = 0,
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y = 0,
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w = w,
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h = h,
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znear = -10000,
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zfar = 10000,
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origin = Vector(x,y,-1000),
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angles = Angle(-90,0,90),
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ortho = {
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left = 0,
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right = w,
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top = -h,
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bottom = 0
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}
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}
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cam.Start(cam3d)
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DrawHermite(...)
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cam.End(cam3d)
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end
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--[[
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function PANEL:DrawHermite(...)
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local x, y = self:ScreenToLocal(0,0)
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local w, h = self:GetSize()
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draw_hermite(x,y, w,h)
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end
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]]
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local last_part
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hook.Add("PostRenderVGUI", "beams", function()
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if not pace.IsActive() then return end
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if not pace.IsFocused() then return end
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local part = pace.current_part
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if not part:IsValid() then return end
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local node = part.pace_tree_node
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if part ~= last_part then
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part.cached_props = nil
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end
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part.cached_props = part.cached_props or part:GetProperties()
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local props = part.cached_props
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last_part = part
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for _, info in ipairs(props) do
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if info.udata.part_key then
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--if info.udata.part_key == "Parent" then continue end
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local from = part
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local to = part["Get" .. info.udata.part_key](part)
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if not to:IsValid() then continue end
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local from_pnl = from.pace_properties and from.pace_properties[info.key] or NULL
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local to_pnl = to.pace_tree_node or NULL
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if not from_pnl:IsValid() then continue end
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if not to_pnl:IsValid() then continue end
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local params = {}
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params["$basetexture"] = to.Icon or "gui/colors.png"
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params["$vertexcolor"] = 1
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params["$vertexalpha"] = 1
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params["$nocull"] = 1
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local path = to_pnl:GetModel()
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if path then
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path = "spawnicons/" .. path:sub(1, -5) .. "_32"
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params["$basetexture"] = path
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end
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local mat = CreateMaterial("pac_wire_icon_" .. params["$basetexture"], "UnlitGeneric", params)
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render.SetMaterial(mat)
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local fx,fy = from_pnl:LocalToScreen(from_pnl:GetWide(), from_pnl:GetTall() / 2)
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local tx,ty = to_pnl.Icon:LocalToScreen(0,to_pnl.Icon:GetTall() / 2)
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do
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local x,y = pace.tree:LocalToScreen(0,0)
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local w,h = pace.tree:LocalToScreen(pace.tree:GetSize())
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tx = math.Clamp(tx, x, w)
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ty = math.Clamp(ty, y, h)
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end
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from_pnl.wire_smooth_hover = from_pnl.wire_smooth_hover or 0
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if from_pnl:IsHovered() or (from.pace_tree_node and from.pace_tree_node:IsValid() and from.pace_tree_node.Label:IsHovered()) then
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from_pnl.wire_smooth_hover = from_pnl.wire_smooth_hover + (5 - from_pnl.wire_smooth_hover) * FrameTime() * 20
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else
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from_pnl.wire_smooth_hover = from_pnl.wire_smooth_hover + (0 - from_pnl.wire_smooth_hover) * FrameTime() * 20
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end
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from_pnl.wire_smooth_hover = math.Clamp(from_pnl.wire_smooth_hover, 0, 5)
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if from_pnl.wire_smooth_hover > 0.01 then
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draw_hermite(0,0,ScrW(),ScrH(), from_pnl.wire_smooth_hover, fx,fy, tx,ty, Color(255,255,255), Color(255,255,255, 255), 1)
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end
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end
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end
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end)
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