local oldx = nil
local oldz = nil
local catch_breath = 0
local sprint_frozen = 0
local out_of_breath = 0
local breath_delay = 1
local jumped = 0


max_sprint = 200 --how much energy/breath the player has at maximum
current_sprint = max_sprint --how much energy the player starts the level with
recovery_time = 0.2 --how fast the player regains energy when not sprinting (1 per ?s)
max_catch_breath = 100 --how fast player recovers from being out of sprint/breath (lower = quicker)
jump_penalty = 25 --amount of sprint to remove if jumping (can't jump if below)
dist_mod = 10 --adjusts how far you can travel before sprint will deplete (maybe best to just adjust max_sprint)

local sprint_perc = (current_sprint / max_sprint) * 100
recovery_time = recovery_time * 1000
function sprint_init(e)
Hide(e)
CollisionOff(e)
end

function sprint_main(e)
Hide(e)
CollisionOff(e)
if oldx == nil or oldz == nil then
oldx = g_PlayerPosX
oldz = g_PlayerPosZ

else
SetPosition(e,g_PlayerPosX,g_Entity[e]['y'],g_PlayerPosZ)
sprint_perc = math.floor((current_sprint / max_sprint) * 100)
if out_of_breath == 0 then
catch_breath = 0
if g_KeyPressSPACE == 1 then
if current_sprint < jump_penalty then
TransportToIfUsed(e)
out_of_breath = 1
else
if jumped == 0 then
current_sprint = current_sprint - jump_penalty
jumped = 1 
end
end
else
jumped = 0
end

if g_KeyPressSHIFT == 1 then
if current_sprint > 0 then
if (oldx < g_PlayerPosX -dist_mod or oldx > g_PlayerPosX + dist_mod or oldz < g_PlayerPosZ -dist_mod or oldz > g_PlayerPosZ + dist_mod) then
current_sprint = current_sprint - 1 
oldx = g_PlayerPosX
oldz = g_PlayerPosZ
else
if GetTimer(e) > recovery_time then
current_sprint = current_sprint + 1 
StartTimer(e)
end
end
else
out_of_breath = 1 
end
else
if current_sprint < max_sprint then
if GetTimer(e) > recovery_time then
StartTimer(e)
current_sprint = current_sprint + 1 
end
end
end

else
if catch_breath < max_catch_breath then
PlaySoundIfSilent(e,1)
TransportToIfUsed(e)
if GetTimer(e) > breath_delay then
StartTimer(e)
catch_breath = catch_breath + 1 
if sprint_frozen == 0 then
breath_delay = 1
FreezePlayer()
sprint_frozen = 1 
else 
if current_sprint < max_sprint then
current_sprint = current_sprint + 1 
end
breath_delay = 100
UnFreezePlayer()
sprint_frozen = 0
end 
end
else
if sprint_frozen == 1 then
UnFreezePlayer()
end 
out_of_breath = 0
end
end --out of breath

Prompt("sprint % = "..sprint_perc)
end --old pos setup
end --main

function sprint_exit(e)

end