Merge pull request #17 from nightmareci/master

Improved latency and performance

README.md

@@ -5,7 +5,7 @@ Cambridge
 
 Welcome to Cambridge, the next open-source falling-block game engine!
 
-The project is written and maintained exclusively by [SashLilac](https://github.com/SashLilac), [joezeng](https://github.com/joezeng) and [Oshisaure](https://github.com/oshisaure)!  
+The project is written and maintained exclusively by [Milla](https://github.com/MillaBasset), [joezeng](https://github.com/joezeng) and [Oshisaure](https://github.com/oshisaure)!  
 
 The Discord server has been reopened! https://discord.gg/AADZUmgsph
 
@@ -32,13 +32,13 @@ You do not need LÖVE on Windows, as it comes bundled with the program.
 
 #### Stable release
 
-To get the stable release, simply download either `cambridge-win32.zip` (32-bit) or `cambridge-windows.zip` (64-bit) in the [latest release](https://github.com/sashlilac/cambridge/releases/latest).  
+To get the stable release, simply download either `cambridge-win32.zip` (32-bit) or `cambridge-windows.zip` (64-bit) in the [latest release](https://github.com/MillaBasset/cambridge/releases/latest).  
 
 All assets needed are bundled with the executable.
 
 #### Bleeding edge
 
-If you want the bleeding edge version, download [this](https://github.com/SashLilac/cambridge/archive/master.zip).
+If you want the bleeding edge version, download [this](https://github.com/MillaBasset/cambridge/archive/master.zip).
 
 Extract the ZIP, open a Command Prompt at the folder you extracted Cambridge to, then run this command:
 
@@ -66,7 +66,7 @@ You can download the .love file in the latest release, and run it with:
 
 Clone the repository in git:
 
-	git clone https://github.com/SashLilac/cambridge
+	git clone https://github.com/MillaBasset/cambridge
 
 Alternatively, download the source code ZIP in the latest release.
 
@@ -78,7 +78,7 @@ It should run automatically!
 
 ## Installing modpacks
 
-For instructions on how to install modpacks, go to [this](https://github.com/SashLilac/cambridge-modpack) mod pack to get a taste of the mod potential.
+For instructions on how to install modpacks, go to [this](https://github.com/MillaBasset/cambridge-modpack) mod pack to get a taste of the mod potential.
 
 License
 -------

load/save.lua

@@ -1,8 +1,17 @@
 local binser = require 'libs.binser'
 
 function loadSave()
-	config = loadFromFile('config.sav')
+	local info = love.filesystem.getInfo(love.filesystem.getSaveDirectory())
-	highscores = loadFromFile('highscores.sav')
+	if not info or info.type ~= "directory" then
+		love.filesystem.remove(love.filesystem.getSaveDirectory())
+		love.filesystem.createDirectory(love.filesystem.getSaveDirectory())
+	end
+	config = loadFromFile(
+		love.filesystem.getSaveDirectory() .. '/config.sav'
+	)
+	highscores = loadFromFile(
+		love.filesystem.getSaveDirectory() .. '/highscores.sav'
+	)
 end
 
 function loadFromFile(filename)
@@ -40,9 +49,13 @@ function initConfig()
 end
 
 function saveConfig()
-	binser.writeFile('config.sav', config)
+	binser.writeFile(
+		love.filesystem.getSaveDirectory() .. '/config.sav', config
+	)
 end
 
 function saveHighscores()
-	binser.writeFile('highscores.sav', highscores)
+	binser.writeFile(
+		love.filesystem.getSaveDirectory() .. '/highscores.sav', highscores
+	)
 end

load/version.lua

@@ -1 +1 @@
-version = "v0.3-beta5.1"
+version = "v0.3-beta5.2"

main.lua

@@ -55,44 +55,6 @@ function initModules()
 	return tostring(a.name):gsub("%d+",padnum) < tostring(b.name):gsub("%d+",padnum) end)
 end
 
-local TARGET_FPS = 60
-local SAMPLE_SIZE = 60
-
-local rolling_samples = {}
-local rolling_total = 0
-local average_n = 0
-local frame = 0
-
-function getSmoothedDt(dt)
-	rolling_total = rolling_total + dt
-	frame = frame + 1
-	if frame > SAMPLE_SIZE then frame = frame - SAMPLE_SIZE end
-	if average_n == SAMPLE_SIZE then
-		rolling_total = rolling_total - rolling_samples[frame]
-	else
-		average_n = average_n + 1
-	end
-	rolling_samples[frame] = dt
-	return rolling_total / average_n
-end
-
-local update_time = 0.52
-
-function love.update(dt)
-	processBGMFadeout(dt)
-	local old_update_time = update_time
-	update_time = update_time + getSmoothedDt(dt) * TARGET_FPS
-	updates = 0
-	while (update_time >= 1.02) do
-		scene:update()
-		updates = updates + 1
-		update_time = update_time - 1
-	end
-	if math.abs(update_time - old_update_time) < 0.02 then
-		update_time = old_update_time
-	end
-end
-
 function love.draw()
 	love.graphics.setCanvas(GLOBAL_CANVAS)
 	love.graphics.clear()
@@ -308,3 +270,56 @@ function love.resize(w, h)
 		GLOBAL_CANVAS:release()
 		GLOBAL_CANVAS = love.graphics.newCanvas(w, h)
 end
+
+local TARGET_FPS = 60
+
+function love.run()
+	if love.load then love.load(love.arg.parseGameArguments(arg), arg) end
+
+	if love.timer then love.timer.step() end
+
+	local dt = 0
+
+	local last_time = love.timer.getTime()
+	local time_accumulator = 0
+	return function()
+		if love.event then
+			love.event.pump()
+			for name, a,b,c,d,e,f in love.event.poll() do
+				if name == "quit" then
+					if not love.quit or not love.quit() then
+						return a or 0
+					end
+				end
+				love.handlers[name](a,b,c,d,e,f)
+			end
+		end
+
+		if love.timer then
+			processBGMFadeout(love.timer.step())
+		end
+		
+		if scene and scene.update and love.timer then
+			scene:update()
+			
+			local frame_duration = 1.0 / TARGET_FPS
+			if time_accumulator < frame_duration then
+				if love.graphics and love.graphics.isActive() and love.draw then
+					love.graphics.origin()
+					love.graphics.clear(love.graphics.getBackgroundColor())
+					love.draw()
+					love.graphics.present()
+				end
+				local end_time = last_time + frame_duration
+				local time = love.timer.getTime()
+				while time < end_time do
+					love.timer.sleep(0.001)
+					time = love.timer.getTime()
+				end
+				time_accumulator = time_accumulator + time - last_time
+			end
+			time_accumulator = time_accumulator - frame_duration
+		end
+		last_time = love.timer.getTime()
+	end
+end

scene/credits.lua

@@ -37,7 +37,7 @@ function CreditsScene:render()
     love.graphics.print("Project Heads", 320, 640 - self.frames / 2)
     love.graphics.print("Other Game Developers", 320, 730 - self.frames / 2)
     love.graphics.print("Special Thanks", 320, 950 - self.frames / 2)
-    love.graphics.print("- SashLilac / TS3 / Milla", 320, math.max(1850 - self.frames / 2, 320))
+    love.graphics.print("- Milla", 320, math.max(1850 - self.frames / 2, 320))
 
     love.graphics.setFont(font_3x5_2)
     love.graphics.print("Oshisaure\nJoe Zeng", 320, 590 - self.frames / 2)

tetris/modes/gamemode.lua

@@ -206,14 +206,14 @@ function GameMode:update(inputs, ruleset)
 			self.piece.last_rotated = false
 			self:onPieceMove(self.piece, self.grid, piece_dx)
 		end
-		if (piece_drot ~= 0) then
-			self.piece.last_rotated = true
-			self:onPieceRotate(self.piece, self.grid, piece_drot)
-		end
 		if (piece_dy ~= 0) then
 			self.piece.last_rotated = false
 			self:onPieceDrop(self.piece, self.grid, piece_dy)
 		end
+		if (piece_drot ~= 0) then
+			self.piece.last_rotated = true
+			self:onPieceRotate(self.piece, self.grid, piece_drot)
+		end
 
 		if inputs["up"] == true and
 			self.piece:isDropBlocked(self.grid) and
@@ -242,7 +242,8 @@ function GameMode:update(inputs, ruleset)
 
 		if self.piece.locked == true then
 			-- spin detection, immobile only for now
-			if self.immobile_spin_bonus and (
+			if self.immobile_spin_bonus and
+			   self.piece.last_rotated and (
 				self.piece:isDropBlocked(self.grid) and
 				self.piece:isMoveBlocked(self.grid, { x=-1, y=0 }) and 
 				self.piece:isMoveBlocked(self.grid, { x=1, y=0 }) and