------------------- ABOUT ----------------------
--
-- The hero has to catch the other hog in order
-- to get informations about the origin of Pr. Hogevil

HedgewarsScriptLoad("/Scripts/Locale.lua")
HedgewarsScriptLoad("/Scripts/Animate.lua")
HedgewarsScriptLoad("/Missions/Campaign/A_Space_Adventure/global_functions.lua")

----------------- VARIABLES --------------------
-- globals
local missionName = loc("Chasing the blue hog")
local challengeObjectives = loc("Use the rope in order to catch the blue hedgehog").."|"..
	loc("You have to stand very close to him")
local currentPosition = 1
local raceSectionStarted = false
local runnerCaught = false
local previousTimeLeft = 0
local startChallenge = false
local winningTime = nil
local currentTime = 0
local runnerTime = 0
local record
local lostGame = false
local heroHurt = false
-- dialogs
local dialog01 = {}
local dialog02 = {}
-- mission objectives
local goals = {
	[dialog01] = {missionName, loc("Challenge objectives"), challengeObjectives, 1, 0},
}
-- hogs
local hero = {
	name = loc("Hog Solo"),
	x = 1300,
	y = 948
}
local runner = {
	name = loc("Crazy Runner"),
	places = {
		{x = 1400,y = 904, turnTime = 0},
		{x = 3880,y = 33, turnTime = 30000},
		{x = 250,y = 1780, turnTime = 25000},
		{x = 3850,y = 1940, turnTime = 20000},
	}
}
local runnerTimeTotal = 0
for i=1, #runner.places do
	runnerTimeTotal = runnerTimeTotal + runner.places[i].turnTime
end
-- teams
local teamA = {
	name = loc("Hog Solo"),
	color = -6
}
local teamB = {
	name = loc("Crazy Runner"),
	color = -2
}

-------------- LuaAPI EVENT HANDLERS ------------------

function onGameInit()
	GameFlags = gfDisableWind
	Seed = 1
	TurnTime = 25000
	CaseFreq = 0
	MinesNum = 0
	Explosives = 0
	Map = "moon02_map"
	Theme = "Cheese"
	-- Disable Sudden Death
	WaterRise = 0
	HealthDecrease = 0

	-- Hero
	teamA.name = AddMissionTeam(teamA.color)
	hero.gear = AddMissionHog(1)
	hero.name = GetHogName(hero.gear)
	AnimSetGearPosition(hero.gear, hero.x, hero.y)
	-- Crazy Runner
	teamB.name = AddTeam(teamB.name, teamB.color, "ring", "Island", "Default_qau", "cm_sonic")
	runner.gear = AddHog(runner.name, 0, 100, "sth_Sonic")
	AnimSetGearPosition(runner.gear, runner.places[1].x, runner.places[1].y)
	HogTurnLeft(runner.gear, true)

	record = tonumber(GetCampaignVar("FastestBlueHogCatch"))
	initCheckpoint("moon02")

	AnimInit(true)
	AnimationSetup()
end

function onGameStart()
	AnimWait(hero.gear, 3000)
	FollowGear(hero.gear)

	AddEvent(onHeroDeath, {hero.gear}, heroDeath, {hero.gear}, 0)
	AddEvent(onRunnerDeath, {runner.gear}, runnerDeath, {runner.gear}, 0)

	if record ~= nil then
		goals[dialog01][3] = goals[dialog01][3] .. "|" .. string.format(loc("Personal best: %.3f seconds"), record/1000)
	end
	AddAmmo(hero.gear, amRope, 1)

	SendHealthStatsOff()
	hogTurn = runner.gear
	AddAnim(dialog01)
end

-- Hide mission panel when jumping or shooting rope
function onGearAdd(gear)
	if GetGearType(gear) == gtRope then
		HideMission()
	end
end

function onLJump()
	if startChallenge then
		HideMission()
	end
end
onHJump = onLJump

function onNewTurn()
	if startChallenge and currentPosition < 5 then
		if CurrentHedgehog ~= hero.gear then
			EndTurn(true)
			runnerTime = runnerTime + runner.places[currentPosition].turnTime
			SetTeamLabel(teamB.name, string.format(loc("%.1fs"), runnerTime/1000))
		else
			SetWeapon(amRope)
			SetTurnTimeLeft(runner.places[currentPosition].turnTime + previousTimeLeft)
			previousTimeLeft = 0
			if currentPosition > 1 then
				raceSectionStarted = true
			end
			runnerCaught = false
		end
	end
end

function onEndTurn()
	if raceSectionStarted and currentPosition > 1 and currentPosition < 5 then
		if CurrentHedgehog == hero.gear and (not runnerCaught) and (not heroHurt) then
			-- sndBoring played manually because lose calls EndGame, which suppresses
			-- the taunt.
			PlaySound(sndBoring, hero.gear)
			lose()
		end
	end
	raceSectionStarted = false
end

function onGameTick()
	AnimUnWait()
	if ShowAnimation() == false then
		return
	end
	ExecuteAfterAnimations()
	CheckEvents()
	if GetHealth(hero.gear) and CurrentHedgehog == hero.gear and startChallenge and currentPosition < 5 and currentPosition > 1 and ReadyTimeLeft == 0 and band(GetState(CurrentHedgehog), gstHHDriven) ~= 0 then
		currentTime = currentTime + 1
	end
end

function onGameTick20()
	if startChallenge and currentPosition < 5 and currentPosition > 1 and CurrentHedgehog == hero.gear and ReadyTimeLeft == 0 and band(GetState(CurrentHedgehog), gstHHDriven) ~= 0 then
		SetTeamLabel(teamA.name, string.format(loc("%.1fs"), currentTime/1000))
	end
	if GetHealth(hero.gear) and startChallenge and isHeroNextToRunner() and currentPosition < 5 then
		moveRunner()
	end
end

function onPrecise()
	if GameTime > 3000 then
		SetAnimSkip(true)
	end
end

function onGearDamage(gear)
	if gear == hero.gear then
		heroHurt = true
	end
end

-------------- EVENTS ------------------

function onHeroDeath(gear)
	if not GetHealth(hero.gear) then
		return true
	end
	return false
end

function onRunnerDeath(gear)
	if not GetHealth(runner.gear) then
		return true
	end
	return false
end

-------------- ACTIONS ------------------

function heroDeath(gear)
	lose()
end

function runnerDeath(gear)
	loseRunnerDeath()
end

-------------- ANIMATIONS ------------------

function Skipanim(anim)
	if goals[anim] ~= nil then
		ShowMission(unpack(goals[anim]))
	end
    	if anim == dialog01 then
		moveRunner()
	elseif anim == dialog02 then
		win()
	end
end

function AnimationSetup()
	-- DIALOG 01 - Start, game instructions
	AddSkipFunction(dialog01, Skipanim, {dialog01})
	table.insert(dialog01, {func = AnimWait, args = {hero.gear, 3200}})
	table.insert(dialog01, {func = AnimCaption, args = {hero.gear, loc("On the other side of the moon ..."), 5000}})
	table.insert(dialog01, {func = AnimSay, args = {runner.gear, loc("So you are interested in Professor Hogevil, huh?"), SAY_SAY, 3000}})
	table.insert(dialog01, {func = AnimSay, args = {runner.gear, loc("We'll play a game first."), SAY_SAY, 3000}})
	table.insert(dialog01, {func = AnimSay, args = {runner.gear, loc("I'll let you know whatever I know about him if you manage to catch me 3 times."), SAY_SAY, 4000}})
	table.insert(dialog01, {func = AnimSay, args = {runner.gear, loc("Let's go!"), SAY_SAY, 2000}})
	table.insert(dialog01, {func = ShowMission, args = goals[dialog01]})
	table.insert(dialog01, {func = moveRunner, args = {}})
	-- DIALOG 02 - Professor Hogevil story
	AddSkipFunction(dialog02, Skipanim, {dialog02})
	table.insert(dialog02, {func = AnimWait, args = {hero.gear, 3200}})
	table.insert(dialog02, {func = AnimCaption, args = {hero.gear, loc("The truth about Professor Hogevil"), 5000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("Amazing! I was never beaten in a race before!"), SAY_SAY, 4000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("So, let me tell you what I know about Professor Hogevil."), SAY_SAY, 4000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("Professor Hogevil, then known as James Hogus, worked for PAotH back in my time."), SAY_SAY, 4000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("He was the lab assistant of Dr. Goodhogan, the inventor of the anti-gravity device."), SAY_SAY, 5000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("During the final testing of the device an accident happened."), SAY_SAY, 5000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("In this accident, Professor Hogevil lost all his spines on his head!"), SAY_SAY, 5000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("That's why he always wears a hat since then."), SAY_SAY, 4000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("After that incident he went underground and started working on his plan to steal the device."), SAY_SAY, 5000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("He is a very tough and very determined hedgehog. I would be extremely careful if I were you."), SAY_SAY, 5000}})
	table.insert(dialog02, {func = AnimSay, args = {runner.gear, loc("I should go now, goodbye!"), SAY_SAY, 3000}})
	table.insert(dialog02, {func = win, args = {}})
end

------------- other functions ---------------

function isHeroNextToRunner()
	if IsHogAlive(hero.gear) and IsHogAlive(runner.gear) and
			math.abs(GetX(hero.gear) - GetX(runner.gear)) < 75 and
			math.abs(GetY(hero.gear) - GetY(runner.gear)) < 75 and
			StoppedGear(hero.gear) and StoppedGear(runner.gear) then
		return true
	end
	return false
end

function moveRunner()
	if currentPosition == 4 then
		currentPosition = currentPosition + 1
		if GetX(hero.gear) > GetX(runner.gear) then
			HogTurnLeft(runner.gear, false)
		end
		AddAnim(dialog02)

		-- Update time record
		winningTime = runnerTimeTotal - TurnTimeLeft
		SetTeamLabel(teamA.name, string.format(loc("%.3fs"), winningTime/1000))
		SendStat(siCustomAchievement, string.format(loc("You have managed to catch the blue hedgehog in %.3f seconds."), winningTime/1000))
		if record ~= nil and winningTime >= record then
			SendStat(siCustomAchievement, string.format(loc("Your personal best time so far: %.3f seconds"), record/1000))
		end
		if record == nil or winningTime < record then
			SaveCampaignVar("FastestBlueHogCatch", tostring(winningTime))
			if record ~= nil then
				SendStat(siCustomAchievement, loc("This is a new personal best time, congratulations!"))
			end
		end

		EndTurn(true)
	elseif currentPosition < 4 then
		if not startChallenge then
			startChallenge = true
		end
		AddAmmo(hero.gear, amRope, 1)
		if currentPosition ~= 1 then
			if currentPosition > 1 and currentPosition < 4 then
				AnimCaption(hero.gear, loc("Go, get him again!"), 3000)
				AnimSay(runner.gear, loc("You got me!"), SAY_SAY, 3000)
			end
			runnerCaught = true
			previousTimeLeft = TurnTimeLeft
		end
		currentPosition = currentPosition + 1
		AddVisualGear(GetX(runner.gear), GetY(runner.gear), vgtExplosion, 0, false) 
		SetGearPosition(runner.gear, runner.places[currentPosition].x, runner.places[currentPosition].y)
		EndTurn(true)
	end
end

function lose()
	if lostGame then
		return
	end
	lostGame = true
	SendStat(siGameResult, loc("Too slow! Try again ..."))
	SendStat(siCustomAchievement, loc("You have to catch the other hog 3 times."))
	SendStat(siCustomAchievement, loc("The time that you have left when you reach the blue hedgehog will be added to the next turn."))
	SendStat(siCustomAchievement, loc("Each turn you'll have only one rope to use."))
	SendStat(siCustomAchievement, loc("You'll lose if you die or if your time is up."))
	SendStat(siPointType, "!TIME")
	SendStat(siPlayerKills, tostring(runnerTimeTotal), teamB.name)
	SendStat(siPointType, "!EMPTY")
	SendStat(siPlayerKills, "0", teamA.name)
	EndGame()
end

function loseRunnerDeath()
	if lostGame then
		return
	end
	lostGame = true
	SendStat(siGameResult, loc("Race failed!"))
	SendStat(siCustomAchievement, loc("The other hog has died, he should have survived!"))
	SendStat(siCustomAchievement, loc("You have to catch the other hog 3 times."))
	SendStat(siTeamRank, "1")
	SendStat(siPlayerKills, tostring(GetTeamStats(teamB.name).Kills), teamB.name)
	SendStat(siTeamRank, "1")
	SendStat(siPlayerKills, tostring(GetTeamStats(teamA.name).Kills), teamA.name)
	EndGame()
end

function win()
	AnimSetInputMask(0)
	SendStat(siGameResult, loc("Congratulations, you are the fastest!"))
	-- siCustomAchievements were added earlier
	SendStat(siPointType, "!TIME")
	SendStat(siPlayerKills, tostring(winningTime), teamA.name)
	SendStat(siPointType, "!TIME")
	SendStat(siPlayerKills, tostring(runnerTimeTotal), teamB.name)
	SaveCampaignVar("Mission13Won", "true")
	checkAllMissionsCompleted()
	EndGame()
end