Refactor war state points counting for later additions

snd_music.lua

@@ -55,7 +55,11 @@ local LOOP_BUFFER = 0.015	-- if looping track is this close to the end, go ahead
 local UPDATE_PERIOD = 1
 
 local musicType = 'peace'
-local dethklok = {} -- keeps track of the number of doods killed in each time frame
+local warPointsIter = 1  -- Position in circular buffer. 1-indexed because L[ew]a
+local warPointsSize = 30  -- Size of circular buffer. Sampling is currently hardcoded but might change later.
+local warPointsFriendly = {} -- keeps track of the number of doods killed in each time frame
+local warPointsHostile = {}
+local warPointsRollover = 4000000000  -- Roll back to zero after this many have accumulated
 local timeframetimer = 0
 local timeframetimer_short = 0
 local loopTrack = ''
@@ -64,7 +68,7 @@ local previousTrackType = ''
 local newTrackWait = 1000
 local numVisibleEnemy = 0
 local fadeVol
-local curTrack	= "no name"
+local curTrac = "no name"
 local songText = "no name"
 local haltMusic = false
 local looping = false
@@ -227,11 +231,12 @@ function widget:Update(dt)
 		timeframetimer_short = 0
 	end
 
+-- 	(Spring.GetGameRulesParam("recentNukeLaunch") == 1)  -- Might need this for superweapon music later
+
 	timeframetimer = timeframetimer + dt
 	if (timeframetimer > UPDATE_PERIOD) then	-- every second
 		timeframetimer = 0
 		newTrackWait = newTrackWait + 1
-		local PlayerTeam = Spring.GetMyTeamID()
 		numVisibleEnemy = 0
 		local doods = Spring.GetVisibleUnits(-1, nil, true)
 		for i=1,#doods do
@@ -240,19 +245,21 @@ function widget:Update(dt)
 			end
 		end
 
-		local totalKilled = 0
+		local totalKilled, friendliesKilled, hostilesKilled = 0, 0, 0
-		for i = 1, 10, 1 do --calculate the first half of the table (1-15)
+		local iLast = ((warPointsIter-11) % warPointsSize) + 1  -- Look back 10 periods.
-			totalKilled = totalKilled + (dethklok[i] * 2)
+		local iLast2 = ((warPointsIter-21) % warPointsSize) + 1  -- Look back 20 periods.
-		end
+		-- Last 10 seconds count for double
+		friendliesKilled = friendliesKilled + ((warPointsFriendly[warPointsIter] - warPointsFriendly[iLast]) % warPointsRollover)
+		friendliesKilled = friendliesKilled + ((warPointsFriendly[warPointsIter] - warPointsFriendly[iLast2]) % warPointsRollover)
+		hostilesKilled = hostilesKilled + ((warPointsHostile[warPointsIter] - warPointsHostile[iLast]) % warPointsRollover)
+		hostilesKilled = hostilesKilled + ((warPointsHostile[warPointsIter] - warPointsHostile[iLast2]) % warPointsRollover)
+		totalKilled = (friendliesKilled * 1.5) + hostilesKilled
 
-		for i = 11, 20, 1 do -- calculate the second half of the table (16-45)
+		-- Roll to next index in the circular buffers, continue cumulative sum
-			totalKilled = totalKilled + dethklok[i]
+		local iNext = (warPointsIter % warPointsSize) + 1
-		end
+		warPointsFriendly[iNext] = warPointsFriendly[warPointsIter] % warPointsRollover
-		
+		warPointsHostile[iNext] = warPointsHostile[warPointsIter] % warPointsRollover
-		for i = 20, 1, -1 do -- shift value(s) to the end of table
+		warPointsIter = iNext
-			dethklok[i+1] = dethklok[i]
-		end
-		dethklok[1] = 0 -- empty the first row
 
 		if (musicType == 'war' or musicType == 'peace') then
 			if (totalKilled >= warThreshold) then
@@ -264,7 +271,7 @@ function widget:Update(dt)
 
 		if (not firstTime) then
 			StartTrack()
-			firstTime = true -- pop this cherry
+			firstTime = true
 		end
 
 		local playedTime, totalTime = Spring.GetSoundStreamTime()
@@ -324,33 +331,25 @@ function widget:GameFrame()
 end
 
 function widget:UnitDamaged(unitID, unitDefID, unitTeam, damage, paralyzer)
-	if unitExceptions[unitDefID] then
+	if unitExceptions[unitDefID] then return end
-		return
-	end
-	
 	if (damage < 1.5) then return end
-	local PlayerTeam = Spring.GetMyTeamID()
-	
 	if (UnitDefs[unitDefID] == nil) then return end
+	if paralyzer then return end
 
-	if paralyzer then
-		return
-	else
-		if (teamID == PlayerTeam) then
-			damage = damage * 1.5
-		end
 	local multifactor = 1
 	if (numVisibleEnemy > 3) then
 		multifactor = math.log(numVisibleEnemy)
 	end
-		dethklok[1] = dethklok[1] + (damage * multifactor);
+	if (teamID == myTeam) then
+		warPointsFriendly[warPointsIter] = warPointsFriendly[warPointsIter] + (damage * multifactor);
+	else
+		warPointsHostile[warPointsIter] = warPointsHostile[warPointsIter] + (damage * multifactor);
 	end
 end
 
 function widget:UnitDestroyed(unitID, unitDefID, teamID)
-	if unitExceptions[unitDefID] then
+	if unitExceptions[unitDefID] then return end
-		return
+
-	end
 	local unitWorth = 50
 	if (UnitDefs[unitDefID].metalCost > 500) then
 		unitWorth = 200
@@ -364,14 +363,16 @@ function widget:UnitDestroyed(unitID, unitDefID, teamID)
 	if (UnitDefs[unitDefID].metalCost > 8000) then
 		unitWorth = 700
 	end
-	if (teamID == PlayerTeam) then
+
-		unitWorth = unitWorth * 1.5
-	end
 	local multifactor = 1
 	if (numVisibleEnemy > 3) then
 		multifactor = math.log(numVisibleEnemy)
 	end
-	dethklok[1] = dethklok[1] + (unitWorth*multifactor);
+	if (teamID == myTeam) then
+		warPointsFriendly[warPointsIter] = warPointsFriendly[warPointsIter] + (unitWorth*multifactor);
+	else
+		warPointsHostile[warPointsIter] = warPointsHostile[warPointsIter] + (unitWorth*multifactor);
+	end
 end
 
 function widget:TeamDied(team)
@@ -420,8 +421,10 @@ function widget:Initialize()
 	--math.randomseed(os.clock()* 101.01)--lurker wants you to burn in hell rgn
 	-- for i=1,20 do Spring.Echo(math.random()) end
 
-	for i = 1, 30, 1 do
+	for i = 1, warPointsSize do
-		dethklok[i]=0
+		warPoints[i] = 0
+		warPointsFriendly[i] = 0
+		warPointsHostile[i] = 0
 	end
 end