Initial implementation of Last Input Controlled Priority.

scene/game.lua

@@ -59,6 +59,8 @@ function GameScene:render()
 	self.game:draw(self.paused)
 end
 
+local movement_directions = {"left", "right", "down", "up"}
+
 function GameScene:onInputPress(e)
 	if (
 		self.game.game_over or self.game.completed
@@ -93,12 +95,33 @@ function GameScene:onInputPress(e)
 		end
 	elseif e.input and string.sub(e.input, 1, 5) ~= "menu_" and e.input ~= "frame_step" then
 		self.inputs[e.input] = true
+		if config.gamesettings["diagonal_input"] == 3 then
+			if (e.input == "left" or e.input == "right" or e.input == "down" or e.input == "up") then
+				for key, value in pairs(movement_directions) do
+					if value ~= e.input then
+						self.inputs[value] = false
+					end
+				end
+				self.first_input = self.first_input or e.input
+			end
+		end
 	end
 end
 
 function GameScene:onInputRelease(e)
 	if e.input and string.sub(e.input, 1, 5) ~= "menu_" then
 		self.inputs[e.input] = false
+		if config.gamesettings["diagonal_input"] == 3 then
+			if (e.input == "left" or e.input == "right" or e.input == "down" or e.input == "up") then
+
+				if self.first_input ~= nil and self.first_input ~= e.input then
+					self.inputs[self.first_input] = true
+				end
+				if self.first_input == e.input then
+					self.first_input = nil
+				end
+			end
+		end
 	end
 end
 

scene/game_config.lua

@@ -13,7 +13,7 @@ ConfigScene.options = {
 	{"world_reverse", "A Button Rotation", {"Left", "Auto", "Right"}},
 	{"spawn_positions", "Spawn Positions", {"Per ruleset", "In field", "Out of field"}},
 	{"save_replay", "Save Replays", {"On", "Off"}},
-	{"diagonal_input", "Diagonal Input", {"On", "Off"}},
+	{"diagonal_input", "Movement Type", {"8-way", "4-way Abs.", "4-way LICP"}},
 	{"das_last_key", "DAS Last Key", {"Off", "On"}},
 	{"buffer_lock", "Buffer Drop Type", {"Off", "Hold", "Tap"}},
 	{"synchroes_allowed", "Synchroes", {"Per ruleset", "On", "Off"}},

scene/replay.lua

@@ -147,6 +147,8 @@ function ReplayScene:render()
 	end
 end
 
+local movement_directions = {"left", "right", "down", "up"}
+
 function ReplayScene:onInputPress(e)
 	if (
 		e.input == "menu_back" or
@@ -175,6 +177,16 @@ function ReplayScene:onInputPress(e)
 		else resumeBGM() end
 	elseif e.input and string.sub(e.input, 1, 5) ~= "menu_" and self.rerecord and e.input ~= "frame_step" then
 		self.inputs[e.input] = true
+		if config.gamesettings["diagonal_input"] == 3 then
+			if (e.input == "left" or e.input == "right" or e.input == "down" or e.input == "up") then
+				for key, value in pairs(movement_directions) do
+					if value ~= e.input then
+						self.inputs[value] = false
+					end
+				end
+				self.first_input = self.first_input or e.input
+			end
+		end
 	elseif e.input == "hold" then
 		self.rerecord = true
 		savestate_frames = self.frames
@@ -199,6 +211,17 @@ end
 function ReplayScene:onInputRelease(e)
 	if e.input and string.sub(e.input, 1, 5) ~= "menu_" and self.rerecord then
 		self.inputs[e.input] = false
+		if config.gamesettings["diagonal_input"] == 3 then
+			if (e.input == "left" or e.input == "right" or e.input == "down" or e.input == "up") then
+
+				if self.first_input ~= nil and self.first_input ~= e.input then
+					self.inputs[self.first_input] = true
+				end
+				if self.first_input == e.input then
+					self.first_input = nil
+				end
+			end
+		end
 	end
 end