Another change

libs/binser.lua

@@ -1,7 +1,7 @@
 -- binser.lua
 
 --[[
-Copyright (c) 2016 Calvin Rose
+Copyright (c) 2016-2019 Calvin Rose
 
 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
@@ -27,7 +27,6 @@ local select = select
 local pairs = pairs
 local getmetatable = getmetatable
 local setmetatable = setmetatable
-local tonumber = tonumber
 local type = type
 local loadstring = loadstring or load
 local concat = table.concat
@@ -52,25 +51,6 @@ if not frexp then
     end
 end
 
--- NIL = 202
--- FLOAT = 203
--- TRUE = 204
--- FALSE = 205
--- STRING = 206
--- TABLE = 207
--- REFERENCE = 208
--- CONSTRUCTOR = 209
--- FUNCTION = 210
--- RESOURCE = 211
--- INT64 = 212
-
-local mts = {}
-local ids = {}
-local serializers = {}
-local deserializers = {}
-local resources = {}
-local resources_by_name = {}
-
 local function pack(...)
     return {...}, select("#", ...)
 end
@@ -166,25 +146,36 @@ end
 -- number deserialization code also modified from https://github.com/fperrad/lua-MessagePack
 local function number_from_str(str, index)
     local b = byte(str, index)
+    if not b then error("Expected more bytes of input.") end
     if b < 128 then
         return b - 27, index + 1
     elseif b < 192 then
-        return byte(str, index + 1) + 0x100 * (b - 128) - 8192, index + 2
+        local b2 = byte(str, index + 1)
+        if not b2 then error("Expected more bytes of input.") end
+        return b2 + 0x100 * (b - 128) - 8192, index + 2
     end
     local b1, b2, b3, b4, b5, b6, b7, b8 = byte(str, index + 1, index + 8)
+    if (not b1) or (not b2) or (not b3) or (not b4) or
+        (not b5) or (not b6) or (not b7) or (not b8) then
+        error("Expected more bytes of input.")
+    end
     if b == 212 then
         local flip = b1 >= 128
         if flip then -- negative
             b1, b2, b3, b4 = 0xFF - b1, 0xFF - b2, 0xFF - b3, 0xFF - b4
             b5, b6, b7, b8 = 0xFF - b5, 0xFF - b6, 0xFF - b7, 0xFF - b8
         end
-        local n = ((((((b1 * 0x100 + b2) * 0x100 + b3) * 0x100 + b4) * 0x100 + b5) * 0x100 + b6) * 0x100 + b7) * 0x100 + b8
+        local n = ((((((b1 * 0x100 + b2) * 0x100 + b3) * 0x100 + b4) *
+            0x100 + b5) * 0x100 + b6) * 0x100 + b7) * 0x100 + b8
         if flip then
             return (-n) - 1, index + 9
         else
             return n, index + 9
         end
     end
+    if b ~= 203 then
+        error("Expected number")
+    end
     local sign = b1 > 0x7F and -1 or 1
     local e = (b1 % 0x80) * 0x10 + floor(b2 / 0x10)
     local m = ((((((b2 % 0x10) * 0x100 + b3) * 0x100 + b4) * 0x100 + b5) * 0x100 + b6) * 0x100 + b7) * 0x100 + b8
@@ -207,6 +198,32 @@ local function number_from_str(str, index)
     return n, index + 9
 end
 
+
+local function newbinser()
+
+    -- unique table key for getting next value
+    local NEXT = {}
+    local CTORSTACK = {}
+
+    -- NIL = 202
+    -- FLOAT = 203
+    -- TRUE = 204
+    -- FALSE = 205
+    -- STRING = 206
+    -- TABLE = 207
+    -- REFERENCE = 208
+    -- CONSTRUCTOR = 209
+    -- FUNCTION = 210
+    -- RESOURCE = 211
+    -- INT64 = 212
+    -- TABLE WITH META = 213
+
+    local mts = {}
+    local ids = {}
+    local serializers = {}
+    local deserializers = {}
+    local resources = {}
+    local resources_by_name = {}
     local types = {}
 
     types["nil"] = function(x, visited, accum)
@@ -227,8 +244,8 @@ function types.string(x, visited, accum)
             accum[alen + 1] = "\208"
             accum[alen + 2] = number_to_str(visited[x])
         else
-        visited[x] = visited.next
+            visited[x] = visited[NEXT]
-        visited.next =  visited.next + 1
+            visited[NEXT] =  visited[NEXT] + 1
             accum[alen + 1] = "\206"
             accum[alen + 2] = number_to_str(#x)
             accum[alen + 3] = x
@@ -245,10 +262,11 @@ local function check_custom_type(x, visited, accum)
         local mt = getmetatable(x)
         local id = mt and ids[mt]
         if id then
-        if x == visited.temp then
+            local constructing = visited[CTORSTACK]
+            if constructing[x] then
                 error("Infinite loop in constructor.")
             end
-        visited.temp = x
+            constructing[x] = true
             accum[#accum + 1] = "\209"
             types[type(id)](id, visited, accum)
             local args, len = pack(serializers[id](x))
@@ -257,8 +275,10 @@ local function check_custom_type(x, visited, accum)
                 local arg = args[i]
                 types[type(arg)](arg, visited, accum)
             end
-        visited[x] = visited.next
+            visited[x] = visited[NEXT]
-        visited.next = visited.next + 1
+            visited[NEXT] = visited[NEXT] + 1
+            -- We finished constructing
+            constructing[x] = nil
             return true
         end
     end
@@ -279,10 +299,16 @@ function types.table(x, visited, accum)
             accum[#accum + 1] = number_to_str(visited[x])
         else
             if check_custom_type(x, visited, accum) then return end
-        visited[x] = visited.next
+            visited[x] = visited[NEXT]
-        visited.next =  visited.next + 1
+            visited[NEXT] =  visited[NEXT] + 1
             local xlen = #x
+            local mt = getmetatable(x)
+            if mt then
+                accum[#accum + 1] = "\213"
+                types.table(mt, visited, accum)
+            else
                 accum[#accum + 1] = "\207"
+            end
             accum[#accum + 1] = number_to_str(xlen)
             for i = 1, xlen do
                 local v = x[i]
@@ -310,8 +336,8 @@ types["function"] = function(x, visited, accum)
             accum[#accum + 1] = number_to_str(visited[x])
         else
             if check_custom_type(x, visited, accum) then return end
-        visited[x] = visited.next
+            visited[x] = visited[NEXT]
-        visited.next =  visited.next + 1
+            visited[NEXT] =  visited[NEXT] + 1
             local str = dump(x)
             accum[#accum + 1] = "\210"
             accum[#accum + 1] = number_to_str(#str)
@@ -333,39 +359,57 @@ types.thread = function() error("Cannot serialize threads.") end
 
     local function deserialize_value(str, index, visited)
         local t = byte(str, index)
-    if not t then return end
+        if not t then return nil, index end
         if t < 128 then
             return t - 27, index + 1
         elseif t < 192 then
-        return byte(str, index + 1) + 0x100 * (t - 128) - 8192, index + 2
+            local b2 = byte(str, index + 1)
+            if not b2 then error("Expected more bytes of input.") end
+            return b2 + 0x100 * (t - 128) - 8192, index + 2
         elseif t == 202 then
             return nil, index + 1
-    elseif t == 203 then
+        elseif t == 203 or t == 212 then
             return number_from_str(str, index)
         elseif t == 204 then
             return true, index + 1
         elseif t == 205 then
             return false, index + 1
         elseif t == 206 then
-        local length, dataindex = deserialize_value(str, index + 1, visited)
+            local length, dataindex = number_from_str(str, index + 1)
             local nextindex = dataindex + length
+            if not (length >= 0) then error("Bad string length") end
+            if #str < nextindex - 1 then error("Expected more bytes of string") end
             local substr = sub(str, dataindex, nextindex - 1)
             visited[#visited + 1] = substr
             return substr, nextindex
-    elseif t == 207 then
+        elseif t == 207 or t == 213 then
-        local count, nextindex = number_from_str(str, index + 1)
+            local mt, count, nextindex
             local ret = {}
             visited[#visited + 1] = ret
+            nextindex = index + 1
+            if t == 213 then
+                mt, nextindex = deserialize_value(str, nextindex, visited)
+                if type(mt) ~= "table" then error("Expected table metatable") end
+            end
+            count, nextindex = number_from_str(str, nextindex)
             for i = 1, count do
+                local oldindex = nextindex
                 ret[i], nextindex = deserialize_value(str, nextindex, visited)
+                if nextindex == oldindex then error("Expected more bytes of input.") end
             end
             count, nextindex = number_from_str(str, nextindex)
             for i = 1, count do
                 local k, v
+                local oldindex = nextindex
                 k, nextindex = deserialize_value(str, nextindex, visited)
+                if nextindex == oldindex then error("Expected more bytes of input.") end
+                oldindex = nextindex
                 v, nextindex = deserialize_value(str, nextindex, visited)
+                if nextindex == oldindex then error("Expected more bytes of input.") end
+                if k == nil then error("Can't have nil table keys") end
                 ret[k] = v
             end
+            if mt then setmetatable(ret, mt) end
             return ret, nextindex
         elseif t == 208 then
             local ref, nextindex = number_from_str(str, index + 1)
@@ -376,29 +420,39 @@ local function deserialize_value(str, index, visited)
             count, nextindex = number_from_str(str, nextindex)
             local args = {}
             for i = 1, count do
+                local oldindex = nextindex
                 args[i], nextindex = deserialize_value(str, nextindex, visited)
+                if nextindex == oldindex then error("Expected more bytes of input.") end
+            end
+            if not name or not deserializers[name] then
+                error(("Cannot deserialize class '%s'"):format(tostring(name)))
             end
             local ret = deserializers[name](unpack(args))
             visited[#visited + 1] = ret
             return ret, nextindex
         elseif t == 210 then
-        local length, dataindex = deserialize_value(str, index + 1, visited)
+            local length, dataindex = number_from_str(str, index + 1)
             local nextindex = dataindex + length
+            if not (length >= 0) then error("Bad string length") end
+            if #str < nextindex - 1 then error("Expected more bytes of string") end
             local ret = loadstring(sub(str, dataindex, nextindex - 1))
             visited[#visited + 1] = ret
             return ret, nextindex
         elseif t == 211 then
-        local res, nextindex = deserialize_value(str, index + 1, visited)
+            local resname, nextindex = deserialize_value(str, index + 1, visited)
-        return resources_by_name[res], nextindex
+            if resname == nil then error("Got nil resource name") end
-    elseif t == 212 then
+            local res = resources_by_name[resname]
-        return number_from_str(str, index)
+            if res == nil then
+                error(("No resources found for name '%s'"):format(tostring(resname)))
+            end
+            return res, nextindex
         else
             error("Could not deserialize type byte " .. t .. ".")
         end
     end
 
     local function serialize(...)
-    local visited = {next = 1}
+        local visited = {[NEXT] = 1, [CTORSTACK] = {}}
         local accum = {}
         for i = 1, select("#", ...) do
             local x = select(i, ...)
@@ -418,7 +472,7 @@ end
     local function serialize_to_file(path, mode, ...)
         local file, err = io.open(path, mode)
         assert(file, err)
-    local visited = {next = 1}
+        local visited = {[NEXT] = 1, [CTORSTACK] = {}}
         local accum = make_file_writer(file)
         for i = 1, select("#", ...) do
             local x = select(i, ...)
@@ -444,11 +498,15 @@ local function deserialize(str, index)
         local visited = {}
         local len = 0
         local val
-    while index do
+        while true do
-        val, index = deserialize_value(str, index, visited)
+            local nextindex
-        if index then
+            val, nextindex = deserialize_value(str, index, visited)
+            if nextindex > index then
                 len = len + 1
                 vals[len] = val
+                index = nextindex
+            else
+                break
             end
         end
         return vals, len
@@ -464,11 +522,15 @@ local function deserializeN(str, n, index)
         local visited = {}
         local len = 0
         local val
-    while index and len < n do
+        while len < n do
-        val, index = deserialize_value(str, index, visited)
+            local nextindex
-        if index then
+            val, nextindex = deserialize_value(str, index, visited)
+            if nextindex > index then
                 len = len + 1
                 vals[len] = val
+                index = nextindex
+            else
+                break
             end
         end
         vals[len + 1] = index
@@ -477,34 +539,32 @@ end
 
     local function readFile(path)
         local file, err = io.open(path, "rb")
-    if file == nil then
+        assert(file, err)
-		return nil, 0
-	end
         local str = file:read("*all")
         file:close()
         return deserialize(str)
     end
 
-local function default_deserialize(metatable)
+    -- Resources
-    return function(...)
+
-        local ret = {}
+    local function registerResource(resource, name)
-        for i = 1, select("#", ...), 2 do
+        type_check(name, "string", "name")
-            ret[select(i, ...)] = select(i + 1, ...)
+        assert(not resources[resource],
-        end
+            "Resource already registered.")
-        return setmetatable(ret, metatable)
+        assert(not resources_by_name[name],
-    end
+            format("Resource %q already exists.", name))
+        resources_by_name[name] = resource
+        resources[resource] = name
+        return resource
     end
 
-local function default_serialize(x)
+    local function unregisterResource(name)
-    assert(type(x) == "table",
+        type_check(name, "string", "name")
-        "Default serialization for custom types only works for tables.")
+        assert(resources_by_name[name], format("Resource %q does not exist.", name))
-    local args = {}
+        local resource = resources_by_name[name]
-    local len = 0
+        resources_by_name[name] = nil
-    for k, v in pairs(x) do
+        resources[resource] = nil
-        args[len + 1], args[len + 2] = k, v
+        return resource
-        len = len + 2
-    end
-    return unpack(args, 1, len)
     end
 
     -- Templating
@@ -539,15 +599,19 @@ local function templatepart_serialize(part, argaccum, x, len)
             extracount = extracount + 1
         end
         for i = 1, #part do
-        extracount = extracount - 1
+            local name
             if type(part[i]) == "table" then
-            extras[part[i][1]] = nil
+                name = part[i][1]
-            len = templatepart_serialize(part[i][2], argaccum, x[part[i][1]], len)
+                len = templatepart_serialize(part[i][2], argaccum, x[name], len)
             else
-            extras[part[i]] = nil
+                name = part[i]
                 len = len + 1
                 argaccum[len] = x[part[i]]
             end
+            if extras[name] ~= nil then
+                extracount = extracount - 1
+                extras[name] = nil
+            end
         end
         if extracount > 0 then
             argaccum[len + 1] = extras
@@ -580,39 +644,47 @@ end
 
     local function template_serializer_and_deserializer(metatable, template)
         return function(x)
-        argaccum = {}
+            local argaccum = {}
             local len = templatepart_serialize(template, argaccum, x, 0)
             return unpack(argaccum, 1, len)
         end, function(...)
             local ret = {}
-        local len = select("#", ...)
             local args = {...}
             templatepart_deserialize(ret, template, args, 1)
             return setmetatable(ret, metatable)
         end
     end
 
+    -- Used to serialize classes withh custom serializers and deserializers.
+    -- If no _serialize or _deserialize (or no _template) value is found in the
+    -- metatable, then the metatable is registered as a resources.
     local function register(metatable, name, serialize, deserialize)
+        if type(metatable) == "table" then
             name = name or metatable.name
             serialize = serialize or metatable._serialize
             deserialize = deserialize or metatable._deserialize
-    if not serialize then
+            if (not serialize) or (not deserialize) then
                 if metatable._template then
+                    -- Register as template
                     local t = normalize_template(metatable._template)
                     serialize, deserialize = template_serializer_and_deserializer(metatable, t)
-        elseif not deserialize then
-            serialize = default_serialize
-            deserialize = default_deserialize(metatable)
                 else
-            serialize = metatable
+                    -- Register the metatable as a resource. This is semantically
+                    -- similar and more flexible (handles cycles).
+                    registerResource(metatable, name)
+                    return
                 end
             end
-    type_check(metatable, "table", "metatable")
+        elseif type(metatable) == "string" then
+            name = name or metatable
+        end
         type_check(name, "string", "name")
         type_check(serialize, "function", "serialize")
         type_check(deserialize, "function", "deserialize")
-    assert(not ids[metatable], "Metatable already registered.")
+        assert((not ids[metatable]) and (not resources[metatable]),
-    assert(not mts[name], ("Name %q already registered."):format(name))
+            "Metatable already registered.")
+        assert((not mts[name]) and (not resources_by_name[name]),
+            ("Name %q already registered."):format(name))
         mts[name] = metatable
         ids[metatable] = name
         serializers[name] = serialize
@@ -628,11 +700,14 @@ local function unregister(item)
             name, metatable = ids[item], item
         end
         type_check(name, "string", "name")
-    type_check(metatable, "table", "metatable")
         mts[name] = nil
+        if (metatable) then
+            resources[metatable] = nil
             ids[metatable] = nil
+        end
         serializers[name] = nil
         deserializers[name] = nil
+        resources_by_name[name] = nil;
         return metatable
     end
 
@@ -646,27 +721,8 @@ local function registerClass(class, name)
         return class
     end
 
-local function registerResource(resource, name)
-    type_check(name, "string", "name")
-    assert(not resources[resource],
-        "Resource already registered.")
-    assert(not resources_by_name[name],
-        format("Resource %q already exists.", name))
-    resources_by_name[name] = resource
-    resources[resource] = name
-    return resource
-end
-
-local function unregisterResource(name)
-    type_check(name, "string", "name")
-    assert(resources_by_name[name], format("Resource %q does not exist.", name))
-    local resource = resources_by_name[name]
-    resources_by_name[name] = nil
-    resources[resource] = nil
-    return resource
-end
-
     return {
+        VERSION = "0.0-8",
         -- aliases
         s = serialize,
         d = deserialize,
@@ -685,5 +741,10 @@ return {
         unregister = unregister,
         registerResource = registerResource,
         unregisterResource = unregisterResource,
-    registerClass = registerClass
+        registerClass = registerClass,
+
+        newbinser = newbinser
     }
+end
+
+return newbinser()

main.lua

@@ -17,7 +17,7 @@ function love.load()
 	require "load.version"
 
 	require "funcs"
-	TOUCH_SETTINGS = require 'mobile_libs.settings'
+	TOUCH_SETTINGS = require 'mobile_libs.touch_settings'
 	BUTTON = require 'mobile_libs.simple-button'
 	BUTTON.setDefaultOption{
 		draw = function(self)
@@ -62,6 +62,8 @@ function love.load()
 		font=font_3x5_2,
 	}
 	require 'mobile_libs.vctrl'
+	VCTRL.new(TOUCH_SETTINGS.bind[1])
+	VCTRL.toggle(true)
 
 	loadSave()
 	require "scene"
@@ -136,6 +138,7 @@ function love.draw()
 	love.graphics.scale(scale_factor)
 
 	scene:render()
+	if scene.title ~= TouchConfigScene.title then VCTRL.draw() end
 
 	if config.gamesettings.display_gamemode == 1 or scene.title == "Title" then
 		love.graphics.setFont(font_3x5_2)
@@ -335,10 +338,51 @@ function love.joystickhat(joystick, hat, direction)
 	end
 end
 
+function love.mousepressed(x, y, b, isTouch, presses)
+	if isTouch then return end
+	local x,y=GLOBAL_TRANSFORM:inverseTransformPoint(x,y)
+	if scene.title ~= 'Touchscreen configuration' and VCTRL.press(x, y, 1) then
+		return -- Avoid duplicate
+	end
+	scene:onInputPress{type = "mouse", x = x, y = y, presses = presses}
+end
+function love.mousereleased(x, y, b, isTouch, presses)
+	if isTouch then return end
+	local x,y=GLOBAL_TRANSFORM:inverseTransformPoint(x,y)
+	if scene.title ~= 'Touchscreen configuration' and VCTRL.release(1) then
+		return -- Avoid duplicate
+	end
+	scene:onInputRelease{type = "mouse", x = x, y = y, presses = presses}
+end
+function love.mousemoved(x, y, dx, dy, isTouch)
+	if isTouch then return end
+	local x,y=GLOBAL_TRANSFORM:inverseTransformPoint(x,y)
+	local dx,dy=dx/SCREEN_SCALE_FACTOR,dy/SCREEN_SCALE_FACTOR
+	scene:onInputMove{type = "mouse", x = x, y = y, dx = dx, dy = dy}
+end
 function love.wheelmoved(x, y)
 	scene:onInputPress({input=nil, type="wheel", x=x, y=y})
 end
 
+function love.touchpressed(id,x,y)
+	local x,y=GLOBAL_TRANSFORM:inverseTransformPoint(x,y)
+	if scene.title ~= 'Touchscreen configuration' and VCTRL.press(x, y, id) then
+		return -- Avoid duplicate
+	end
+	scene:onInputPress{type = "touch", x = x, y = y, dx = 0, dy = 0, id = id}
+end
+function love.touchreleased(id,x,y)
+	local x,y=GLOBAL_TRANSFORM:inverseTransformPoint(x,y)
+	if scene.title ~= 'Touchscreen configuration' and VCTRL.release(id) then
+		return -- Avoid duplicate
+	end
+	scene:onInputRelease{type = "touch", x = x, y = y, dx = 0, dy = 0, id = id}
+end
+function love.touchmoved(id,x,y,dx,dy)
+	local x,y=GLOBAL_TRANSFORM:inverseTransformPoint(x,y)
+	scene:onInputMove{type = "touch", x = x, y = y, dx = dx, dy = dy, id = id}
+end
+
 function love.resize(w, h)
 	GLOBAL_CANVAS:release()
 	GLOBAL_CANVAS = love.graphics.newCanvas(w, h)

mobile_libs/bitser.lua

@@ -0,0 +1,496 @@
+--[[
+Copyright (c) 2020, Jasmijn Wellner
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+]]
+
+local VERSION = '1.1'
+
+local floor = math.floor
+local pairs = pairs
+local type = type
+local insert = table.insert
+local getmetatable = getmetatable
+local setmetatable = setmetatable
+
+local ffi = require("ffi")
+local buf_pos = 0
+local buf_size = -1
+local buf = nil
+local buf_is_writable = true
+local writable_buf = nil
+local writable_buf_size = nil
+local includeMetatables = true -- togglable with bitser.includeMetatables(false)
+local SEEN_LEN = {}
+
+local function Buffer_prereserve(min_size)
+	if buf_size < min_size then
+		buf_size = min_size
+		buf = ffi.new("uint8_t[?]", buf_size)
+		buf_is_writable = true
+	end
+end
+
+local function Buffer_clear()
+	buf_size = -1
+	buf = nil
+	buf_is_writable = true
+	writable_buf = nil
+	writable_buf_size = nil
+end
+
+local function Buffer_makeBuffer(size)
+	if not buf_is_writable then
+		buf = writable_buf
+		buf_size = writable_buf_size
+		writable_buf = nil
+		writable_buf_size = nil
+		buf_is_writable = true
+	end
+	buf_pos = 0
+	Buffer_prereserve(size)
+end
+
+local function Buffer_newReader(str)
+	Buffer_makeBuffer(#str)
+	ffi.copy(buf, str, #str)
+end
+
+local function Buffer_newDataReader(data, size)
+	if buf_is_writable then
+		writable_buf = buf
+		writable_buf_size = buf_size
+	end
+	buf_is_writable = false
+	buf_pos = 0
+	buf_size = size
+	buf = ffi.cast("uint8_t*", data)
+end
+
+local function Buffer_reserve(additional_size)
+	while buf_pos + additional_size > buf_size do
+		buf_size = buf_size * 2
+		local oldbuf = buf
+		buf = ffi.new("uint8_t[?]", buf_size)
+		buf_is_writable = true
+		ffi.copy(buf, oldbuf, buf_pos)
+	end
+end
+
+local function Buffer_write_byte(x)
+	Buffer_reserve(1)
+	buf[buf_pos] = x
+	buf_pos = buf_pos + 1
+end
+
+local function Buffer_write_raw(data, len)
+	Buffer_reserve(len)
+	ffi.copy(buf + buf_pos, data, len)
+	buf_pos = buf_pos + len
+end
+
+local function Buffer_write_string(s)
+	Buffer_write_raw(s, #s)
+end
+
+local function Buffer_write_data(ct, len, ...)
+	Buffer_write_raw(ffi.new(ct, ...), len)
+end
+
+local function Buffer_ensure(numbytes)
+	if buf_pos + numbytes > buf_size then
+		error("malformed serialized data")
+	end
+end
+
+local function Buffer_read_byte()
+	Buffer_ensure(1)
+	local x = buf[buf_pos]
+	buf_pos = buf_pos + 1
+	return x
+end
+
+local function Buffer_read_string(len)
+	Buffer_ensure(len)
+	local x = ffi.string(buf + buf_pos, len)
+	buf_pos = buf_pos + len
+	return x
+end
+
+local function Buffer_read_raw(data, len)
+	ffi.copy(data, buf + buf_pos, len)
+	buf_pos = buf_pos + len
+	return data
+end
+
+local function Buffer_read_data(ct, len)
+	return Buffer_read_raw(ffi.new(ct), len)
+end
+
+local resource_registry = {}
+local resource_name_registry = {}
+local class_registry = {}
+local class_name_registry = {}
+local classkey_registry = {}
+local class_deserialize_registry = {}
+
+local serialize_value
+
+local function write_number(value, _)
+	if floor(value) == value and value >= -2147483648 and value <= 2147483647 then
+		if value >= -27 and value <= 100 then
+			--small int
+			Buffer_write_byte(value + 27)
+		elseif value >= -32768 and value <= 32767 then
+			--short int
+			Buffer_write_byte(250)
+			Buffer_write_data("int16_t[1]", 2, value)
+		else
+			--long int
+			Buffer_write_byte(245)
+			Buffer_write_data("int32_t[1]", 4, value)
+		end
+	else
+		--double
+		Buffer_write_byte(246)
+		Buffer_write_data("double[1]", 8, value)
+	end
+end
+
+local function write_string(value, _)
+	if #value < 32 then
+		--short string
+		Buffer_write_byte(192 + #value)
+	else
+		--long string
+		Buffer_write_byte(244)
+		write_number(#value)
+	end
+	Buffer_write_string(value)
+end
+
+local function write_nil(_, _)
+	Buffer_write_byte(247)
+end
+
+local function write_boolean(value, _)
+	Buffer_write_byte(value and 249 or 248)
+end
+
+local function write_table(value, seen)
+	local classkey
+	local metatable = getmetatable(value)
+	local classname = (class_name_registry[value.class] -- MiddleClass
+		or class_name_registry[value.__baseclass] -- SECL
+		or class_name_registry[metatable] -- hump.class
+		or class_name_registry[value.__class__] -- Slither
+		or class_name_registry[value.__class]) -- Moonscript class
+	if classname then
+		classkey = classkey_registry[classname]
+		Buffer_write_byte(242)
+		serialize_value(classname, seen)
+	elseif includeMetatables and metatable then
+		Buffer_write_byte(253)
+	else
+		Buffer_write_byte(240)
+	end
+	local len = #value
+	write_number(len, seen)
+	for i = 1, len do
+		serialize_value(value[i], seen)
+	end
+	local klen = 0
+	for k in pairs(value) do
+		if (type(k) ~= 'number' or floor(k) ~= k or k > len or k < 1) and k ~= classkey then
+			klen = klen + 1
+		end
+	end
+	write_number(klen, seen)
+	for k, v in pairs(value) do
+		if (type(k) ~= 'number' or floor(k) ~= k or k > len or k < 1) and k ~= classkey then
+			serialize_value(k, seen)
+			serialize_value(v, seen)
+		end
+	end
+	if includeMetatables and metatable and not classname then
+		serialize_value(metatable, seen)
+	end
+end
+
+local function write_cdata(value, seen)
+	local ty = ffi.typeof(value)
+	if ty == value then
+		-- ctype
+		Buffer_write_byte(251)
+		serialize_value(tostring(ty):sub(7, -2), seen)
+		return
+	end
+	-- cdata
+	Buffer_write_byte(252)
+	serialize_value(ty, seen)
+	local len = ffi.sizeof(value)
+	write_number(len)
+	Buffer_write_raw(ffi.typeof('$[1]', ty)(value), len)
+end
+
+local types = {number = write_number, string = write_string, table = write_table, boolean = write_boolean, ["nil"] = write_nil, cdata = write_cdata}
+
+serialize_value = function(value, seen)
+	if seen[value] then
+		local ref = seen[value]
+		if ref < 64 then
+			--small reference
+			Buffer_write_byte(128 + ref)
+		else
+			--long reference
+			Buffer_write_byte(243)
+			write_number(ref, seen)
+		end
+		return
+	end
+	local t = type(value)
+	if t ~= 'number' and t ~= 'boolean' and t ~= 'nil' and t ~= 'cdata' then
+		seen[value] = seen[SEEN_LEN]
+		seen[SEEN_LEN] = seen[SEEN_LEN] + 1
+	end
+	if resource_name_registry[value] then
+		local name = resource_name_registry[value]
+		if #name < 16 then
+			--small resource
+			Buffer_write_byte(224 + #name)
+			Buffer_write_string(name)
+		else
+			--long resource
+			Buffer_write_byte(241)
+			write_string(name, seen)
+		end
+		return
+	end
+	(types[t] or
+		error("cannot serialize type " .. t)
+		)(value, seen)
+end
+
+local function serialize(value)
+	Buffer_makeBuffer(4096)
+	local seen = {[SEEN_LEN] = 0}
+	serialize_value(value, seen)
+end
+
+local function add_to_seen(value, seen)
+	insert(seen, value)
+	return value
+end
+
+local function reserve_seen(seen)
+	insert(seen, 42)
+	return #seen
+end
+
+local function deserialize_value(seen)
+	local t = Buffer_read_byte()
+	if t < 128 then
+		--small int
+		return t - 27
+	elseif t < 192 then
+		--small reference
+		return seen[t - 127]
+	elseif t < 224 then
+		--small string
+		return add_to_seen(Buffer_read_string(t - 192), seen)
+	elseif t < 240 then
+		--small resource
+		return add_to_seen(resource_registry[Buffer_read_string(t - 224)], seen)
+	elseif t == 240 or t == 253 then
+		--table
+		local v = add_to_seen({}, seen)
+		local len = deserialize_value(seen)
+		for i = 1, len do
+			v[i] = deserialize_value(seen)
+		end
+		len = deserialize_value(seen)
+		for _ = 1, len do
+			local key = deserialize_value(seen)
+			v[key] = deserialize_value(seen)
+		end
+		if t == 253 then
+			if includeMetatables then
+				setmetatable(v, deserialize_value(seen))
+			end
+		end
+		return v
+	elseif t == 241 then
+		--long resource
+		local idx = reserve_seen(seen)
+		local value = resource_registry[deserialize_value(seen)]
+		seen[idx] = value
+		return value
+	elseif t == 242 then
+		--instance
+		local instance = add_to_seen({}, seen)
+		local classname = deserialize_value(seen)
+		local class = class_registry[classname]
+		local classkey = classkey_registry[classname]
+		local deserializer = class_deserialize_registry[classname]
+		local len = deserialize_value(seen)
+		for i = 1, len do
+			instance[i] = deserialize_value(seen)
+		end
+		len = deserialize_value(seen)
+		for _ = 1, len do
+			local key = deserialize_value(seen)
+			instance[key] = deserialize_value(seen)
+		end
+		if classkey then
+			instance[classkey] = class
+		end
+		return deserializer(instance, class)
+	elseif t == 243 then
+		--reference
+		return seen[deserialize_value(seen) + 1]
+	elseif t == 244 then
+		--long string
+		return add_to_seen(Buffer_read_string(deserialize_value(seen)), seen)
+	elseif t == 245 then
+		--long int
+		return Buffer_read_data("int32_t[1]", 4)[0]
+	elseif t == 246 then
+		--double
+		return Buffer_read_data("double[1]", 8)[0]
+	elseif t == 247 then
+		--nil
+		return nil
+	elseif t == 248 then
+		--false
+		return false
+	elseif t == 249 then
+		--true
+		return true
+	elseif t == 250 then
+		--short int
+		return Buffer_read_data("int16_t[1]", 2)[0]
+	elseif t == 251 then
+		--ctype
+		return ffi.typeof(deserialize_value(seen))
+	elseif t == 252 then
+		local ctype = deserialize_value(seen)
+		local len = deserialize_value(seen)
+		local read_into = ffi.typeof('$[1]', ctype)()
+		Buffer_read_raw(read_into, len)
+		return ctype(read_into[0])
+	else
+		error("unsupported serialized type " .. t)
+	end
+end
+
+local function deserialize_MiddleClass(instance, class)
+	return setmetatable(instance, class.__instanceDict)
+end
+
+local function deserialize_SECL(instance, class)
+	return setmetatable(instance, getmetatable(class))
+end
+
+local deserialize_humpclass = setmetatable
+
+local function deserialize_Slither(instance, class)
+	return getmetatable(class).allocate(instance)
+end
+
+local function deserialize_Moonscript(instance, class)
+	return setmetatable(instance, class.__base)
+end
+
+return {dumps = function(value)
+	serialize(value)
+	return ffi.string(buf, buf_pos)
+end, dumpLoveFile = function(fname, value)
+	serialize(value)
+	assert(love.filesystem.write(fname, ffi.string(buf, buf_pos)))
+end, loadLoveFile = function(fname)
+	local serializedData, error = love.filesystem.newFileData(fname)
+	assert(serializedData, error)
+	Buffer_newDataReader(serializedData:getPointer(), serializedData:getSize())
+	local value = deserialize_value({})
+	-- serializedData needs to not be collected early in a tail-call
+	-- so make sure deserialize_value returns before loadLoveFile does
+	return value
+end, loadData = function(data, size)
+	if size == 0 then
+		error('cannot load value from empty data')
+	end
+	Buffer_newDataReader(data, size)
+	return deserialize_value({})
+end, loads = function(str)
+	if #str == 0 then
+		error('cannot load value from empty string')
+	end
+	Buffer_newReader(str)
+	return deserialize_value({})
+end, includeMetatables = function(bool)
+	includeMetatables = not not bool
+end, register = function(name, resource)
+	assert(not resource_registry[name], name .. " already registered")
+	resource_registry[name] = resource
+	resource_name_registry[resource] = name
+	return resource
+end, unregister = function(name)
+	resource_name_registry[resource_registry[name]] = nil
+	resource_registry[name] = nil
+end, registerClass = function(name, class, classkey, deserializer)
+	if not class then
+		class = name
+		name = class.__name__ or class.name or class.__name
+	end
+	if not classkey then
+		if class.__instanceDict then
+			-- assume MiddleClass
+			classkey = 'class'
+		elseif class.__baseclass then
+			-- assume SECL
+			classkey = '__baseclass'
+		end
+		-- assume hump.class, Slither, Moonscript class or something else that doesn't store the
+		-- class directly on the instance
+	end
+	if not deserializer then
+		if class.__instanceDict then
+			-- assume MiddleClass
+			deserializer = deserialize_MiddleClass
+		elseif class.__baseclass then
+			-- assume SECL
+			deserializer = deserialize_SECL
+		elseif class.__index == class then
+			-- assume hump.class
+			deserializer = deserialize_humpclass
+		elseif class.__name__ then
+			-- assume Slither
+			deserializer = deserialize_Slither
+		elseif class.__base then
+			-- assume Moonscript class
+			deserializer = deserialize_Moonscript
+		else
+			error("no deserializer given for unsupported class library")
+		end
+	end
+	class_registry[name] = class
+	classkey_registry[name] = classkey
+	class_deserialize_registry[name] = deserializer
+	class_name_registry[class] = name
+	return class
+end, unregisterClass = function(name)
+	class_name_registry[class_registry[name]] = nil
+	classkey_registry[name] = nil
+	class_deserialize_registry[name] = nil
+	class_registry[name] = nil
+end, reserveBuffer = Buffer_prereserve, clearBuffer = Buffer_clear, version = VERSION}

mobile_libs/file.lua

@@ -1,6 +1,6 @@
 local FILE = {}
 local binser = require "libs.binser"
--- local bitser = require "libs.bitser"
+local bitser = require "mobile_libs.bitser"
 
 local serializer_used
 
@@ -37,5 +37,5 @@ end
 return function(lib_name)
     assert(lib_name == 'bitser' or lib_name == 'binser', '[lib_name] must be "bitser" or "binser"')
     serializer_used = lib_name
-    _G.FILE = FILE
+    return FILE
 end

mobile_libs/settings.lua

@@ -1,38 +0,0 @@
-local fs = love.filesystem
-
-local CONFIG_FILE = '/mobile/touch_config.txt'
-local _settings = fs.read(CONFIG_FILE) ~= nil and FILE.read(CONFIG_FILE) or {}
-local _defaultSettings = {
-    firstTime = true,
-    __default__={
-        {type='button',x=     70,y=280,key=           'up',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=     70,y=430,key=         'down',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=     -5,y=355,key=         'left',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=    145,y=355,key=        'right',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=640- -5,y=355,key=  'rotate_left',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=640-145,y=355,key= 'rotate_left2',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=640- 70,y=430,key= 'rotate_right',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=640- 70,y=280,key='rotate_right2',r=45,iconSize=60,alpha=0.4},
-        {type='button',x=320,    y=420,key=      'restart',r=35,iconSize=60,alpha=0.4},
-    },
-
-    ---@type table<string,string>[]
-    bind = {},
-}
-
-return setmetatable(
-    {__default__ = _defaultSettings},
-    {
-        __index = function(_, k)
-            if _settings[k] == nil then
-                _settings[k] = _defaultSettings[k]
-                FILE.write(CONFIG_FILE,_settings)
-            end
-            return _settings[k]
-        end,
-        __newindex = function(_, k, v)
-            _settings[k] = v
-            FILE.write(CONFIG_FILE,_settings)
-        end
-    }
-)

mobile_libs/touch_settings.lua

@@ -0,0 +1,67 @@
+local fs = love.filesystem
+local FILE=require'mobile_libs.file''binser'
+
+local CONFIG_FILE = 'mobile/touch_config.txt'
+love.filesystem.createDirectory('mobile')
+local _settings = fs.read(CONFIG_FILE) ~= nil and FILE.read(CONFIG_FILE) or {}
+local _defaultSettings = {
+    firstTime = true,
+
+    ---@type table<string,string>[]
+    bind = {
+        {
+            {type='button',x=  1 *  70 + 120,y =  1 * 70 + 120, r = 30, key=            'up',iconSize=50},
+            {type='button',x=  2 *  70 + 120,y =  1 * 70 + 120, r = 30, key=          'down',iconSize=50},
+            {type='button',x=  3 *  70 + 120,y =  1 * 70 + 120, r = 30, key=          'left',iconSize=50},
+            {type='button',x=  4 *  70 + 120,y =  1 * 70 + 120, r = 30, key=         'right',iconSize=50},
+            {type='button',x=  5 *  70 + 120,y =  1 * 70 + 120, r = 30, key=   'menu_decide',iconSize=50},
+
+            {type='button',x=  1 *  70 + 120,y =  2 * 70 + 120, r = 30, key=   'rotate_left',iconSize=50},
+            {type='button',x=  2 *  70 + 120,y =  2 * 70 + 120, r = 30, key=  'rotate_left2',iconSize=50},
+            {type='button',x=  3 *  70 + 120,y =  2 * 70 + 120, r = 30, key=  'rotate_right',iconSize=50},
+            {type='button',x=  4 *  70 + 120,y =  2 * 70 + 120, r = 30, key= 'rotate_right2',iconSize=50},
+            {type='button',x=  5 *  70 + 120,y =  2 * 70 + 120, r = 30, key=         'retry',iconSize=50},
+
+            {type='button',x=  1 *  70 + 120,y =  3 * 70 + 120, r = 30, key=             '1',iconSize=50},
+            {type='button',x=  2 *  70 + 120,y =  3 * 70 + 120, r = 30, key=             '2',iconSize=50},
+            {type='button',x=  3 *  70 + 120,y =  3 * 70 + 120, r = 30, key=             '3',iconSize=50},
+            {type='button',x=  4 *  70 + 120,y =  3 * 70 + 120, r = 30, key=             '4',iconSize=50},
+            {type='button',x=  5 *  70 + 120,y =  3 * 70 + 120, r = 30, key=             '5',iconSize=50},
+
+        --  {type='button',x=  1 *  70 + 120,y =  4 * 70 + 120, r = 30, key=            'up',iconSize=50},
+            {type='button',x=  2 *  70 + 120,y =  4 * 70 + 120, r = 30, key='touch_settings',iconSize=50},
+            {type='button',x=  3 *  70 + 120,y =  4 * 70 + 120, r = 30, key=    'align_view',iconSize=50},
+            {type='button',x=  4 *  70 + 120,y =  4 * 70 + 120, r = 30, key=     'menu_back',iconSize=50},
+        --  {type='button',x=  5 *  70 + 120,y =  4 * 70 + 120, r = 30, key=            'up',iconSize=50},
+
+        }, -- 1
+        {
+            {type='button',x=     70,y=280,key=           'up',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=     70,y=430,key=         'down',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=     -5,y=355,key=         'left',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=    145,y=355,key=        'right',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=640- -5,y=355,key=  'rotate_left',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=640-145,y=355,key= 'rotate_left2',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=640- 70,y=430,key= 'rotate_right',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=640- 70,y=280,key='rotate_right2',r=45,iconSize=60,alpha=0.4,shape='circle'},
+            {type='button',x=320,    y=420,key=        'retry',r=35,iconSize=60,alpha=0.4,shape='circle'},
+        }  -- 2
+    },
+}
+
+return setmetatable(
+    {__default__ = _defaultSettings},
+    {
+        __index = function(_, k)
+            if _settings[k] == nil then
+                _settings[k] = _defaultSettings[k]
+                FILE.write(CONFIG_FILE,_settings)
+            end
+            return _settings[k]
+        end,
+        __newindex = function(_, k, v)
+            _settings[k] = v
+            FILE.write(CONFIG_FILE,_settings)
+        end
+    }
+)

mobile_libs/vctrl.lua

@@ -15,34 +15,34 @@ local function mDrawQ(obj,quad,x,y,a,k)
     love.graphics.draw(obj,quad,x,y,a,k,nil,w*.5,h*.5)
 end
 
-local empty_quad
+local alternativePfunction={}
+local alternativeRfunction={
+    touch_settings=function()
+        if (
+            scene.title ~= 'Game' and
+            scene.title ~= TouchConfigScene.title
+        ) then
+            scene = TouchConfigScene()
+        end
+    end
+}
+
+local empty_quad=gc_newQuad(1,1,1,1,1,1)
 -- A table containing quads used to draw icons for virtual control system.
--- local virtual_quad=setmetatable((function()
---     local t={}
---     local w=180
---     empty_quad=gc_newQuad(0,0,1,1,5*w,7*w)
---     for i,name in next,{
---         'left','right','up','down','',
---         'rotate_right','rotate_left','','','',
---         '','','','','',
---         '','','','','',
---         '','','menu_back','','',
---         '','','','','',
---         '','','','','menu_decide',
---     } do if #name>0 then t[name]=gc_newQuad((i-1)%5*w,math.floor((i-1)/5)*w,w,w,5*w,7*w) end end
---     t.rotate_right2, t.rotate_left2 = t.rotate_right, t.rotate_left
---     return t
--- end)(),{
---     __index=function() return empty_quad end
--- })
 local virtual_quad=setmetatable((function()
     local t={}
     local w=180
-    empty_quad=gc_newQuad(0,0,1,1,5*w,2*w)
+    empty_quad=gc_newQuad(0,0,1,1,5*w,7*w)
     for i,name in next,{
-        'left','right','up','down','restart',
+        'left','right','up','down','',
-        'rotate_right','rotate_left','rotate_right2','rotate_left2'
+        'rotate_right','rotate_left','rotate_180','hold','align_view',
-    } do if #name>0 then t[name]=gc_newQuad((i-1)%5*w,math.floor((i-1)/5)*w,w,w,5*w,2*w) end end
+        '','','','','',
+        '1','2','3','4','5',
+        '','retry','','menu_back','',
+        'touch_settings','','','','',
+        '','','','','menu_decide',
+    } do if #name>0 then t[name]=gc_newQuad((i-1)%5*w,math.floor((i-1)/5)*w,w,w,5*w,7*w) end end
+    t.rotate_right2, t.rotate_left2 = t.rotate_right, t.rotate_left
     return t
 end)(),{
     __index=function() return empty_quad end
@@ -61,11 +61,11 @@ function control_type.button:new(data)
         x=data.x or 320,
         y=data.y or 240,
         r=data.r or 80, -- size
-        shape=data.shape or 'circle',
+        shape=data.shape or 'square',
         key=data.key or 'X',
         iconSize=data.iconSize or 60,
         alpha=data.alpha or 0.75,
-        quad=virtual_quad[data.key]
+        quad=virtual_quad[data.key],
     },self)
 end
 function control_type.button:export()
@@ -78,7 +78,7 @@ function control_type.button:export()
         shape = self.shape,
         key = self.key,
         iconSize = self.iconSize,
-        alpha = self.alpha
+        alpha = self.alpha,
     }
 end
 function control_type.button:reset()
@@ -91,13 +91,21 @@ function control_type.button:press(_,_,id)
     self.lastPressTime=love.timer.getTime()
     self.pressingID=id
     -- love.keypressed(self.key, love.keyboard.getScancodeFromKey(self.key))
-    SCENE:onInputPress{input=self.key,type="virtual"}
+    if alternativePfunction[self.key] then
+        alternativePfunction[self.key]()
+    else
+        scene:onInputPress{input=self.key,type="virtual"}
+    end
 end
 function control_type.button:release()
     self.pressed=false
     self.pressingID=false
     -- love.keyreleased(self.key,love.keyboard.getScancodeFromKey(self.key))
-    SCENE:onInputRelease{input=self.key,type="virtual"}
+    if alternativeRfunction[self.key] then
+        alternativeRfunction[self.key]()
+    else
+        scene:onInputRelease{input=self.key,type="virtual"}
+    end
 end
 function control_type.button:drag(dx,dy)
     self.x,self.y=self.x+dx,self.y+dy
@@ -158,6 +166,8 @@ VCTRL.hasChanged = false
 ---@field iconSize? number
 ---@field alpha? number
 ---@field show? boolean
+---@field pressFunc function|nil
+---@field releaseFunc function|nil
 
 ---@param ... VCTRL.data[]
 ---Adding (multiple) virtual button(s)
@@ -165,6 +175,14 @@ function VCTRL.new(...)
     for _,d in pairs(...) do table.insert(VCTRL,control_type[d.type]:new(d)) end
 end
 
+---@param key string
+---@param pfunc function|nil
+---@param rfunc function|nil
+function VCTRL.setAltFunction(key,pfunc,rfunc)
+    alternativePfunction[key] = pfunc
+    alternativeRfunction[key] = rfunc
+end
+
 ---@param toggle boolean|false
 ---Enabling virtual control or not
 function VCTRL.toggle(toggle)

mobile_scene/touch_config.lua

@@ -1,6 +1,6 @@
 ---@diagnostic disable: cast-local-type
 local TouchConfigScene = Scene:extend()
-TouchConfigScene.title = "Touchscreen config"
+TouchConfigScene.title = "Touchscreen configuration"
 
 local function roundUnit(n,u)
 	local u = u or 1
@@ -12,6 +12,12 @@ local function drawText(text, x, y, size, orientation, color)
 	love.graphics.setColor(color)
 	love.graphics.printf(text, x, y, size*2, orientation, nil, 0.5)
 end
+local function math_clamp(x, min, max)
+    if max < min then
+        min, max = max, min
+    end
+    return x < min and min or (x > max and max or x)
+end
 
 local buttonList
 local sliderList = {}
@@ -25,9 +31,9 @@ local function exitSceneFunc(saved)
 	VCTRL.release()
 	BUTTON.release(buttonList)
 	if TOUCH_SETTINGS.firstTime and not saved then
-		SCENE = InputConfigScene(true)
+		scene = InputConfigScene(true)
 	else
-		SCENE = TitleScene()
+		scene = TitleScene()
 		TOUCH_SETTINGS.firstTime = false
 	end
 end
@@ -56,7 +62,7 @@ buttonList = {
 	--     codeWhenReleased = function()
 	--         VCTRL.release()
 	--         BUTTON.release(buttonList)
-	--         SCENE = TouchConfigPreviewScene()
+	--         scene = TouchConfigPreviewScene()
 	--     end
 	-- },
 	resetAll = BUTTON.new{
@@ -72,8 +78,8 @@ buttonList = {
 				VCTRL.focus = nil; focusingButton = nil
 				VCTRL.hasChanged = false
 				VCTRL.clearAll()
-				VCTRL.new(TOUCH_SETTINGS.__default__)
+				VCTRL.new(TOUCH_SETTINGS.__default__.bind[1])
-				TOUCH_SETTINGS.bind[1] = TOUCH_SETTINGS.__default__
+				TOUCH_SETTINGS.bind[1] = TOUCH_SETTINGS.__default__.bind[1]
 			end
 		end
 	},
@@ -94,7 +100,7 @@ buttonList = {
 					exitSceneFunc(true)
 				elseif selection == 2 then
 					VCTRL.clearAll()
-					VCTRL.new(TOUCH_SETTINGS.bind[1])
+					VCTRL.new(TOUCH_SETTINGS.bind[1] or {})
 					-- love.window.showMessageBox("Discarded!", "Your changes was discarded!")
 
 					exitSceneFunc()
@@ -239,16 +245,12 @@ function TouchConfigScene:render()
 
 	for _, v in ipairs(VCTRL) do
 		if v ~= focusingButton then
-			v:draw(
+			v:draw(v.alpha * (focusingButton and 0.25 or 1))
-				focusingButton and
-				(v.show and 0.5 or 0.1) or
-				(v.show and 1 or 0.5)
-			)
 		end
 	end
 	if focusingButton then
 		focusingButton:draw(
-			math.clamp(
+			math_clamp(
 				math.sin(love.timer.getTime()*4)*.5+0.1,
 				focusingButton.show and 1 or 0.1, 1
 			)
@@ -259,7 +261,7 @@ function TouchConfigScene:render()
 	BUTTON.draw(buttonList)
 end
 
----@param e SCENE_onInput
+
 function TouchConfigScene:onInputMove(e)
 	if e.type == "touch" or (e.type == "mouse" and love.mouse.isDown(1)) then
 		if VCTRL.drag(e.dx, e.dy, e.id or 1) then VCTRL.hasChanged = true end
@@ -267,7 +269,7 @@ function TouchConfigScene:onInputMove(e)
 		BUTTON.checkHovering(buttonList, e.x, e.y)
 	end
 end
----@param e SCENE_onInput
+
 function TouchConfigScene:onInputPress(e)
 	if e.type == "mouse" or e.type == "touch" then
 		if not (
@@ -281,7 +283,7 @@ function TouchConfigScene:onInputPress(e)
 		end
 	end
 end
----@param e SCENE_onInput
+
 function TouchConfigScene:onInputRelease(e)
 	if e.type == "mouse" or e.type == "touch" then
 		if not BUTTON.release(buttonList, e.x, e.y, e.id) then

scene.lua

@@ -5,8 +5,9 @@ Scene = Object:extend()
 function Scene:new() end
 function Scene:update() end
 function Scene:render() end
-function Scene:onInputPress() end
+function Scene:onInputMove(e) end
-function Scene:onInputRelease() end
+function Scene:onInputPress(e) end
+function Scene:onInputRelease(e) end
 
 ExitScene = require "scene.exit"
 GameScene = require "scene.game"