implement greedy menu input handler

.gitignore

@@ -1,3 +1,4 @@
 lua chest test
 lua movement test
+cheat menu.save.lua
 * - Copy*

Lua/cheat menu.lua

@@ -3,6 +3,7 @@ require "boilerplate"
 require "addrs.init"
 require "classes"
 require "menu classes"
+require "menu input handlers"
 require "messages"
 require "flag manager"
 
@@ -17,15 +18,24 @@ alternate:      (alt_input = true; eat_input = false)
     L+R opens/closes the menu
     L goes back a menu (or closes)
     R selects menu items
-    L+Z hides menu without closing (FIXME: interferes with back)
+    L+Z hides the menu without closing (FIXME: interferes with back button)
     D-Pad navigates
 greedy:         (alt_input = false; eat_input = true)
+    L opens the menu
+    while the menu is open, the game receives no inputs
+    D-Pad/Joystick/C-Buttons navigate through items and pages
+    A/L select menu items
+    B/R go back a menu (or closes)
+    Z hides the menu without closing
     TODO: joystick, a/b button etc
+greedy alt:     (alt_input = true;  eat_input = true)
+    same as greedy but pauses the game while in menu
+    (enables run_while_paused)
 --]]
 
 local run_while_paused = true
 local alt_input = true
-local eat_input = false
+local eat_input = true
 
 local fn = 'cheat menu.save.lua'
 local saved = deserialize('cheat menu.save.lua') or {}
@@ -277,51 +287,32 @@ local main_menu = Menu{
     },
 }
 
-local input = InputHandler{
-    L = "P1 L",
-    R = "P1 R",
-    Z = "P1 Z",
-    up    = "P1 DPad U",
-    down  = "P1 DPad D",
-    left  = "P1 DPad L",
-    right = "P1 DPad R",
-}
+local input = InputHandler()
+input = JoyWrapper(input)
 
 local handle = MenuHandler(main_menu, T_TL)
 
-function handle_alt_input(handle, ctrl, pressed)
-    pressed.enter = false
-    ctrl.enter = false
-    local open_close = ctrl.L and ctrl.R and (pressed.L or pressed.R)
-    local hide = ctrl.L and ctrl.Z and (pressed.L or pressed.Z)
-    if open_close then
-        if handle.menu then -- if menu is open
-            handle:navigate('close')
-        else
-            pressed.enter = true
-            ctrl.enter = true
-        end
-    else
-        if hide then
-            handle:navigate('hide')
-        elseif pressed.L then
-            handle:navigate('back')
-        elseif handle.menu then
-            pressed.enter = pressed.R
-            ctrl.enter = ctrl.R
-        end
-    end
-end
-
 while mm or oot do
     local ctrl, pressed = input:update()
-    if alt_input then
+
+    if eat_input then
+        local old_menu = handle.menu
+        handle_eat_input(handle, ctrl, pressed)
+        if alt_input and handle.menu ~= old_menu then
+            run_while_paused = true
+            if handle.menu then client.pause() else client.unpause() end
+        end
+    elseif alt_input then
         handle_alt_input(handle, ctrl, pressed)
     else
+        for _, v in ipairs{'left', 'right', 'up', 'down'} do
+            ctrl[v] = ctrl['d_'..v]
+            pressed[v] = pressed['d_'..v]
+        end
         ctrl.enter = ctrl.L
         pressed.enter = pressed.L
-    end
         handle:update(ctrl, pressed)
+    end
 
     for i, passive in ipairs(passives) do
         passive:tick()

Lua/classes.lua

@@ -11,6 +11,7 @@ local classes = {
     "SceneFlagMonitor",
     "ActorLister",
     "InputHandler",
+    "JoyWrapper",
 }
 
 for _, class in ipairs(classes) do

Lua/classes/InputHandler.lua

@@ -1,6 +1,25 @@
 local InputHandler = Class()
 function InputHandler:init(binds)
-    self.binds = binds
+    self.binds = binds or {
+        A = "P1 A",
+        B = "P1 B",
+        L = "P1 L",
+        R = "P1 R",
+        Z = "P1 Z",
+        d_up    = "P1 DPad U",
+        d_down  = "P1 DPad D",
+        d_left  = "P1 DPad L",
+        d_right = "P1 DPad R",
+        j_up    = "P1 Joy U",
+        j_down  = "P1 Joy D",
+        j_left  = "P1 Joy L",
+        j_right = "P1 Joy R",
+        c_up    = "P1 C Up",
+        c_down  = "P1 C Down",
+        c_left  = "P1 C Left",
+        c_right = "P1 C Right",
+        start   = "P1 Start",
+    }
     self.old_ctrl = {}
 end
 

Lua/classes/JoyWrapper.lua

@@ -0,0 +1,20 @@
+local JoyWrapper = Class()
+function JoyWrapper:init(handler, threshold)
+    self.handler = handler
+    self.old_ctrl = {}
+    self.threshold = threshold or 80
+end
+
+function JoyWrapper:update(inputs)
+    local j = inputs or joypad.getimmediate()
+    local jj = joypad.get()
+    local jx = jj['P1 X Axis']
+    local jy = jj['P1 Y Axis']
+    j["P1 Joy R"] = jx >=  self.threshold or jj['P1 A Right']
+    j["P1 Joy L"] = jx <= -self.threshold or jj['P1 A Left']
+    j["P1 Joy U"] = jy >=  self.threshold or jj['P1 A Up']
+    j["P1 Joy D"] = jy <= -self.threshold or jj['P1 A Down']
+    return self.handler:update(j)
+end
+
+return JoyWrapper

Lua/menu classes.lua

@@ -275,7 +275,7 @@ function MenuHandler:init(main_menu, brush)
     self.backstack = {}
     self.brush = brush
     self.menu = nil
-    self.hidden = false
+    self.hidden = nil
 end
 
 function MenuHandler:push(menu)
@@ -286,7 +286,14 @@ function MenuHandler:pop()
     return table.remove(self.backstack)
 end
 
+function MenuHandler:unhide()
+    if not self.hidden then return end
+    self.menu = self.hidden
+    self.hidden = nil
+end
+
 function MenuHandler:navigate(new_menu)
+    self:unhide()
     if new_menu ~= self.menu then
         if new_menu == 'back' then
             new_menu = self:pop()
@@ -294,8 +301,8 @@ function MenuHandler:navigate(new_menu)
             self.backstack = {}
             new_menu = nil
         elseif new_menu == 'hide' then
-            self.hidden = true
-            return
+            self.hidden = self.menu
+            new_menu = nil
         elseif self.menu and new_menu ~= self.menu then
             self:push(self.menu)
             self.menu:unfocus()
@@ -308,9 +315,8 @@ end
 function MenuHandler:update(ctrl, pressed)
     if self.hidden then
         if not pressed.enter then return end
-        self.hidden = false
-    end
-    if not self.menu and pressed.enter then
+        self:unhide()
+    elseif not self.menu and pressed.enter then
         self:navigate(self.main_menu)
     elseif self.menu then
         local new_menu = self.menu:navigate(ctrl, pressed)

Lua/menu input handlers.lua

@@ -0,0 +1,51 @@
+function handle_alt_input(handle, ctrl, pressed)
+    for _, v in ipairs{'left', 'right', 'up', 'down'} do
+        ctrl[v] = ctrl['d_'..v]
+        pressed[v] = pressed['d_'..v]
+    end
+    pressed.enter = false
+    ctrl.enter = false
+    local open_close = ctrl.L and ctrl.R and (pressed.L or pressed.R)
+    local hide = ctrl.L and ctrl.Z and (pressed.L or pressed.Z)
+    if open_close then
+        if handle.menu then -- if menu is open
+            handle:navigate('close')
+        else
+            pressed.enter = true
+            ctrl.enter = true
+        end
+    else
+        if hide then
+            handle:navigate('hide')
+        elseif pressed.L then
+            handle:navigate('back')
+        elseif handle.menu then
+            pressed.enter = pressed.R
+            ctrl.enter = ctrl.R
+        end
+    end
+    handle:update(ctrl, pressed)
+end
+
+function handle_eat_input(handle, ctrl, pressed)
+    for _, v in ipairs{'left', 'right', 'up', 'down'} do
+        ctrl[v] = ctrl['d_'..v] or ctrl['j_'..v] or ctrl['c_'..v]
+        pressed[v] = pressed['d_'..v] or pressed['j_'..v] or pressed['c_'..v]
+    end
+    if not handle.menu then
+        pressed.enter = pressed.L
+    else
+        if pressed.Z then
+            handle:navigate('hide')
+        elseif pressed.R or pressed.B then
+            handle:navigate('back')
+        end
+
+        pressed.enter = pressed.A or pressed.L
+        ctrl.enter = ctrl.A or ctrl.L
+
+        joypad.set({}, 1)
+        joypad.setanalog({["X Axis"]=false, ["Y Axis"]=false}, 1)
+    end
+    handle:update(ctrl, pressed)
+end