Create mimgui-sandbox.lua

mimgui-sandbox.lua

@@ -0,0 +1,354 @@
+script_name 'mimgui sandbox'
+script_author 'FYP'
+
+local imgui, ffi = require 'mimgui', require 'ffi'
+local new, str = imgui.new, ffi.string
+
+local imguiStack = {}
+local function wrapPushFunction(fn, popFn)
+	return function(...)
+		table.insert(imguiStack, popFn)
+		return fn(...)
+	end
+end
+
+local function wrapPopFunction(fn)
+	return function(...)
+		if #imguiStack > 0 then
+			table.remove(imguiStack, #imguiStack)
+		end
+		return fn(...)
+	end
+end
+
+local function useStrict(tbl)
+	local getinfo, error, rawset, rawget = debug.getinfo, error, rawset, rawget
+	local mt = getmetatable(tbl)
+	if mt == nil then
+	  mt = {}
+	  setmetatable(tbl, mt)
+	end
+	mt.__declared = {}
+	mt.__newindex = function (t, n, v)
+	  if not mt.__declared[n] then
+	    local info = getinfo(2, "S")
+	    if info and info.linedefined > 0 then
+	      error("assign to undeclared variable '"..n.."'", 2)
+	    end
+	    mt.__declared[n] = true
+	  end
+	  rawset(t, n, v)
+	end
+	mt.__index = function (t, n)
+	  if not mt.__declared[n] then
+	    local info = getinfo(2, "S")
+	    if info and info.what ~= 'C' then
+	      error("variable '"..n.."' is not declared", 2)
+	    end
+	  end
+	  return rawget(t, n)
+	end
+end
+
+local function createSandboxEnv()
+	local env = {}
+	for k, v in pairs(_G) do
+		env[k] = v
+	end
+	env.imgui = {}
+	for k, v in pairs(imgui) do
+		env.imgui[k] = v
+	end
+	setmetatable(env.imgui, {__index = getmetatable(imgui).__index})
+	env.main = nil
+	env.ffi = ffi
+	env._G = env
+	env.imgui.Begin = wrapPushFunction(imgui.Begin, imgui.End)
+	env.imgui.End = wrapPopFunction(imgui.End)
+	useStrict(env)
+	return env
+end
+
+local sbEnv = createSandboxEnv()
+local window = new.bool(false)
+local imguiDemo = new.bool(false)
+local initBox = new.char[0x1000]([[I, new, str = imgui, imgui.new, ffi.string
+]])
+local codeBox = new.char[0x2000]([[
+I.Begin('Sandbox')
+I.Text('Hello, World!')
+I.End()
+]])
+local sbDraw, sbInitError, sbDrawError
+local sbInitAutoupdate, sbDrawAutoupdate = new.bool(false), new.bool(false)
+local sbInitUpdate, sbDrawUpdate = 0, 0
+local monospaceFont = nil
+local createView, globalView, imguiView, mimguiView = nil, nil, nil, nil
+
+local function drawSandboxEditor()
+	local center = imgui.ImVec2(imgui.GetIO().DisplaySize.x / 2, imgui.GetIO().DisplaySize.y / 2)
+	imgui.SetNextWindowPos(center, imgui.Cond.FirstUseEver, imgui.ImVec2(0.5, 0.5))
+	imgui.SetNextWindowSize(imgui.ImVec2(550, 550), imgui.Cond.FirstUseEver)
+	imgui.Begin('ImGui Sandbox', window, imgui.WindowFlags.MenuBar)
+	imgui.BeginMenuBar()
+	if imgui.BeginMenu('Vars') then
+		if imgui.MenuItemBool('ImGui') then
+			if not imguiView then
+				imguiView = createView('imgui', getmetatable(sbEnv.imgui).__index)
+			end
+			imguiView.show[0] = true
+		end
+		if imgui.MenuItemBool('mimgui') then
+			if not mimguiView then
+				mimguiView = createView('mimgui', sbEnv.imgui)
+			end
+			mimguiView.show[0] = true
+		end
+		if imgui.MenuItemBool('Global') then
+			if not globalView then
+				globalView = createView('_G', sbEnv)
+			end
+			globalView.show[0] = true
+		end
+		imgui.EndMenu()
+	end
+	if imgui.MenuItemBool('ImGui Demo') then
+		imguiDemo[0] = true
+	end
+	if imgui.MenuItemBool('Restart') then
+		script.this:reload()
+	end
+	imgui.EndMenuBar()
+	imgui.Text('Initialization code:')
+	imgui.SameLine()
+	imgui.PushStyleVarVec2(imgui.StyleVar.FramePadding, imgui.ImVec2(0, 0))
+	if imgui.Checkbox('Auto update##1', sbInitAutoupdate) then
+		if sbInitAutoupdate[0] then sbInitUpdate = localClock() end
+	end
+	imgui.PopStyleVar()
+	if not sbInitAutoupdate[0] then
+		imgui.SameLine()
+		if imgui.SmallButton('Update##1') then
+			sbInitUpdate = localClock()
+		end
+	end
+	imgui.PushFont(monospaceFont)
+	if imgui.InputTextMultiline('##Init', initBox, ffi.sizeof(initBox) - 1, imgui.ImVec2(-1, 150), imgui.InputTextFlags.AllowTabInput) then
+		if sbInitAutoupdate[0] then
+			sbInitUpdate = localClock() + 0.5
+		end
+	end
+	imgui.PopFont()
+	if sbInitError then
+		imgui.TextColored(imgui.ImVec4(1, 0, 0, 1), "%s", sbInitError)
+	end
+	imgui.Separator()
+	imgui.Text('Drawing code:')
+	imgui.SameLine()
+	imgui.PushStyleVarVec2(imgui.StyleVar.FramePadding, imgui.ImVec2(0, 0))
+	if imgui.Checkbox('Auto update##2', sbDrawAutoupdate) then
+		if sbDrawAutoupdate[0] then sbDrawUpdate = localClock() end
+	end
+	imgui.PopStyleVar()
+	if not sbDrawAutoupdate[0] then
+		imgui.SameLine()
+		if imgui.SmallButton('Update##2') then
+			sbDrawUpdate = localClock()
+		end
+	end
+	imgui.PushFont(monospaceFont)
+	if imgui.InputTextMultiline('##Code', codeBox, ffi.sizeof(codeBox) - 1, imgui.ImVec2(-1, 250), imgui.InputTextFlags.AllowTabInput) then
+		if sbDrawAutoupdate[0] then
+			sbDrawUpdate = localClock() + 0.5
+		end
+	end
+	imgui.PopFont()
+	if sbDrawError then
+		imgui.TextColored(imgui.ImVec4(1, 0, 0, 1), "%s", sbDrawError)
+	end
+	imgui.End()
+end
+
+local function updateSandbox()
+	if sbInitUpdate ~= 0 and localClock() >= sbInitUpdate then
+		sbInitUpdate = 0
+		local f, err = load(str(initBox), nil, 't', sbEnv)
+		sbInitError = err
+		if f then
+			local res, err = pcall(f)
+			if not res then
+				sbInitError = err
+			end
+		end
+	end
+
+	if sbDrawUpdate ~= 0 and localClock() >= sbDrawUpdate then
+		sbDrawUpdate = 0
+		local f, err = load(str(codeBox), nil, 't', sbEnv)
+		sbDrawError = err
+		if f then
+			sbDraw = f
+		end
+	end
+end
+
+local function drawSandbox()
+	if sbDraw and not sbDrawError then
+		local res, err = pcall(sbDraw)
+		if not res then
+			sbDrawError = err
+			for i = #imguiStack, 1, -1 do
+				imguiStack[i]()
+				imguiStack[i] = nil
+			end
+		end
+	end
+end
+
+local function drawLuaViews()
+	if imguiView then
+		imguiView:draw()
+	end
+	if globalView then
+		globalView:draw()
+	end
+	if mimguiView then
+		mimguiView:draw()
+	end
+end
+
+local function drawImguiDemo()
+	if imguiDemo[0] then
+		imgui.ShowDemoWindow(imguiDemo)
+	end
+end
+
+imgui.OnInitialize(function()
+	local defaultFontCfg = imgui.GetIO().Fonts.ConfigData.Data[0]
+	local fontPath = getFolderPath(0x14) .. '\\consola.ttf'
+	monospaceFont = imgui.GetIO().Fonts:AddFontFromFileTTF(fontPath, 15.0, nil, defaultFontCfg.GlyphRanges)
+end)
+
+imgui.OnFrame(function() return window[0] end,
+function() -- before frame
+	updateSandbox()
+end,
+function()
+	drawSandboxEditor()
+	drawSandbox()
+	drawLuaViews()
+	drawImguiDemo()
+end)
+
+function imgui.PushTextColor(color)
+	return imgui.PushStyleColorU32(imgui.Col.Text, color)
+end
+
+local valueColors = {
+	['table'] = 0xFFDD78C6,
+	['function'] = 0xFFEFAF61,
+	['string'] = 0xFF79C398,
+	['number'] = 0xFF669AD1,
+	['userdata'] = 0xFF756CE0,
+}
+
+createView = function(name, tbl)
+	assert(type(tbl) == 'table')
+	local view = {
+		name = name,
+		table = tbl,
+		show = new.bool(true),
+		filter = imgui.ImGuiTextFilter(),
+		sort = new.bool(false)
+	}
+
+	function view:drawItem(parent, key, value, path)
+		local vstr = tostring(value)
+		local str = key .. ' = ' .. vstr
+		local vtype = type(value)
+		local color = valueColors[vtype] or 0xFFFFFFFF
+		if vtype == 'table' then
+			imgui.PushTextColor(color)
+			local tree = imgui.TreeNodeStr(str)
+			imgui.PopStyleColor()
+			if tree then
+				for key, val in pairs(value) do
+					self:drawItem(value, key, val, path .. '.' .. key)
+				end
+				local mt = getmetatable(value)
+				if mt then
+					self:drawItem(value, '<metatable>', mt, path .. '.<metatable>')
+				end
+				imgui.TreePop()
+			end
+		else
+			imgui.PushTextColor(color)
+			imgui.Text(str)
+			imgui.PopStyleColor()
+		end
+		if imgui.IsItemHovered() then
+			if imgui.IsMouseClicked(1) then
+				setClipboardText(path)
+			end
+			imgui.BeginTooltip()
+			imgui.PushTextWrapPos(450.0)
+			imgui.Text('Click right mouse button to copy name')
+			imgui.Separator()
+			imgui.TextUnformatted(vtype .. '\n' .. vstr)
+			imgui.PopTextWrapPos()
+			imgui.EndTooltip()
+		end
+	end
+
+	function view:draw()
+		if self.show[0] then
+			local window_name = ('%s (%s)'):format(self.name, tostring(self.table))
+			imgui.SetNextWindowSize(imgui.ImVec2(400, 500), imgui.Cond.FirstUseEver)
+			imgui.Begin('Lua View: ' .. window_name, self.show)
+			self.filter:Draw('Filter', -100)
+			imgui.SameLine()
+			imgui.Checkbox('Sort', self.sort)
+			imgui.BeginChild(window_name)
+
+			local processItem = function(key, val)
+				if val ~= self.table then
+					local text = key .. ' = ' .. tostring(val)
+					if self.filter:PassFilter(text) then
+						self:drawItem(self.table, key, val, name .. '.' .. key)
+					end
+				end
+			end
+			if self.sort[0] then
+				local sorted = {} -- cache?
+				for key, val in pairs(self.table) do
+					table.insert(sorted, {key, val})
+				end
+				table.sort(sorted, function(v1, v2) return v1[1] < v2[1] end)
+				for i, v in ipairs(sorted) do
+					processItem(v[1], v[2])
+				end
+			else
+				for key, val in pairs(self.table) do
+					processItem(key, val)
+				end
+			end
+
+			imgui.EndChild()
+			imgui.End()
+		end
+		return self.show[0]
+	end
+
+	return view
+end
+
+function main()
+	sbInitUpdate = localClock()
+	sbDrawUpdate = localClock()
+	while true do
+		wait(0)
+		if testCheat('MSB') then
+			window[0] = not window[0]
+		end
+	end
+end