From e3a5ab0c42c07ed04d868ca187f13e4a8b83eaf4 Mon Sep 17 00:00:00 2001
From: binarycat <binarycat64@protonmail.com>
Date: Sat, 26 Feb 2022 22:45:11 -0500
Subject: [PATCH] new fps counter

---
 code/debug.lua           |  2 +-
 code/entities/player.lua |  9 ++---
 code/queue.lua           | 74 ++++++++++++++++++++++++++++++++++++++++
 code/require.lua         |  1 +
 main.lua                 | 18 ++++------
 5 files changed, 87 insertions(+), 17 deletions(-)
 create mode 100644 code/queue.lua

diff --git a/code/debug.lua b/code/debug.lua
index 68c61cf..acc73fd 100644
--- a/code/debug.lua
+++ b/code/debug.lua
@@ -8,7 +8,7 @@ function DebugUI()
 		love.graphics.print(light.pos.x,light.pos.x,light.pos.y+40)
 	end
 
-	love.graphics.print("time: "..fps_total..", fps: "..fps_draw..", frametime: "..math.floor(current_dt* 1000).."ms", 10*textScale, 0*textScale, 0, textScale)
+	love.graphics.print("fps: "..fps_current, 10*textScale, 0*textScale, 0, textScale)
 	love.graphics.print(--[["CPUtime: "..checkCPUTime("total")..", CPU: "..(math.floor(checkCPUTime("get")*10000)/100).."%,]] "memoryUsage: "..memoryUsage.."kB", 10*textScale, 20*textScale, 0, textScale)
 
 	love.graphics.setColor(1,1,1)
diff --git a/code/entities/player.lua b/code/entities/player.lua
index 2edbfcd..0c43581 100644
--- a/code/entities/player.lua
+++ b/code/entities/player.lua
@@ -220,7 +220,8 @@ function Player:DoPhysics()
 	if self.isHooked then
 		self.move_x = 0
 		local hook = Vector(self.pos.x, self.pos.y, self.hookAnchor.x, self.hookAnchor.y)
-		if GetVectorValue(hook) > self.hookDistance then
+		local dist =  math.min(GetVectorValue(hook), self.hookDistance)
+
 			local hook_angle = GetAngleFromVector(hook[1],hook[2])-math.rad(180)
 
 			if Keybind:CheckDown(Keybind.move.right) then
@@ -229,6 +230,7 @@ function Player:DoPhysics()
 
 			if Keybind:CheckDown(Keybind.move.left) then
 				hook_angle = hook_angle + self.hookSwingSpeed
+
 			end
 
 			local particle_data = {
@@ -242,13 +244,12 @@ function Player:DoPhysics()
 			}
 			Particle:New(self.pos.x,self.pos.y,particle_data)
 
-			local pos_x = self.hookAnchor.x + self.hookDistance * math.cos(hook_angle)
-			local pos_y = self.hookAnchor.y + self.hookDistance * math.sin(hook_angle)
+			local pos_x = self.hookAnchor.x + dist * math.cos(hook_angle)
+			local pos_y = self.hookAnchor.y + dist * math.sin(hook_angle)
 			self.vel.x = self.vel.x + pos_x - self.pos.x
 			self.vel.y = self.vel.y + pos_y - self.pos.y
 			self.pos.x = pos_x
 			self.pos.y = pos_y
-		end
 	end
 
 
diff --git a/code/queue.lua b/code/queue.lua
new file mode 100644
index 0000000..64a12f9
--- /dev/null
+++ b/code/queue.lua
@@ -0,0 +1,74 @@
+Queue = {}
+
+function Queue:New()
+	local o = {head = nil, tail = nil}
+
+	setmetatable(o, self)
+	self.__index = self
+	return o
+end
+
+function Queue:Enqueue(item)
+	local elem = {item  = item}
+	if self.head == nil then
+		self.head = elem
+		self.tail = elem
+		return
+	end
+
+	elem.next = self.head
+	elem.next.prev = elem
+	self.head = elem
+	return
+end
+
+function Queue:Empty()
+	return self.tail == nil
+end
+
+function Queue:Dequeue()
+	if self:Empty() then
+		return nil
+	end
+
+	local newtail = self.tail.prev
+	local item = self.tail.item
+	if newtail then
+		newtail.next = nil
+	end
+	self.tail = newtail
+	return item
+end
+
+local tq1 = Queue:New()
+tq1:Enqueue(5)
+assert(tq1.head.item == 5)
+assert(tq1:Dequeue() == 5)
+
+-- queue that keeps a rolling tally of its arguments
+AvgQueue = {}
+
+function AvgQueue:New(n, initial)
+	local o = {}
+
+	o.n = n
+	o.queue = Queue:New()
+	o.avg = initial
+
+
+	local x = initial / n
+	for _ = 1,n do
+		o.queue:Enqueue(x)
+	end
+
+	setmetatable(o, self)
+	self.__index = self
+	return o
+end
+
+function AvgQueue:Push(item)
+	local x = item/self.n
+	self.avg = self.avg + x - self.queue:Dequeue()
+	self.queue:Enqueue(x)
+	return self.avg
+end
\ No newline at end of file
diff --git a/code/require.lua b/code/require.lua
index 2cf548d..aeece38 100644
--- a/code/require.lua
+++ b/code/require.lua
@@ -18,6 +18,7 @@ require "code/level"
 require "code/camera"
 require "code/animation"
 require "code/audio"
+require "code/queue"
 
 -- objects
 require "code/entity"
diff --git a/main.lua b/main.lua
index c1846c1..fe4f081 100644
--- a/main.lua
+++ b/main.lua
@@ -10,10 +10,7 @@ function love.load()
 	editor_mode = false
 
 	textScale = 1
-	fps_count = 0
-	fps_second = 0
-	fps_draw = 0
-	fps_total = 0
+
 
 	love.graphics.setColor(1,1,1)
 	love.keyboard.setKeyRepeat(true)
@@ -28,6 +25,9 @@ function love.load()
 
 	require "code/require"
 
+	fps_history = AvgQueue:New(30,60)
+
+
 	logPrint(loveInitLog)
 	loveInitLog = nil
 
@@ -65,14 +65,8 @@ function love.update(dt)
 	-- audio update
 	love.audio.update()
 	-- fps counter
-	if fps_second >= 1 then
-		fps_second = fps_second - 1
-		fps_draw = fps_count
-		fps_count = 0
-		fps_total = fps_total + 1
-	end
-	fps_second = fps_second + dt
-	fps_count = fps_count + 1
+	fps_current = fps_history:Push(1/dt)
+
 	current_dt = dt
 
 	if DemoRecording or DemoPlayback then Demo:Step()	end