-- LUA Script - precede every function and global member with lowercase name of script + '_main'
-- Player Collects Weapon

--how long you need to hold e for before the mine is placed (in seconds)
local placement_time = 1.5
--how long before the mine explodes once triggered (in seconds)
local explosion_delay = 1
--how close an entity needs to get before the mine is triggered
local trigger_dist = 80
--how far away the player needs to be before the mine can be triggered by an enemy (so the player isn't caught in the explosion)
local player_safe_dist = 500

--only change this if you are having issues with the mine triggering at wrong entities
local minimum_HP = 25

local weapon_name = "Proximity Mine"
local mines = 0
local mine_state = {}
local timer_running = {}
local pressed = 0
local temp = 0
local StartTime = {}
local proximine_started={}
function proximine_pickup_init(e)
	mine_state[e] = "collect"
	timer_running[e] = 0
	StartTime[e] = 0
end

function proximine_pickup_main(e)
	if mine_state[e] == "collect" then 
		if PlayerLooking(e,150,5) == 1 then 
			Prompt ("Press E To pick up the " .. weapon_name) 
			if g_KeyPressE == 1 and pressed == 0 then
			   pressed = 1
			   PromptDuration("Collected the " .. weapon_name,3000)
			   PlaySound(e,1)
			   mines = mines + 1
			   mine_state[e] = "collected"			   
			   ActivateIfUsed(e)
				 timer_running[e] = 0
			end
   end
	elseif mine_state[e] == "collected" then 
		ResetPosition(e,g_PlayerPosX,g_PlayerPosY+100,g_PlayerPosZ)
		if g_KeyPressE == 1 and pressed == 0 then
			Prompt("Placing Mine")
			if timer_running[e] == 0 then
			 StartTime[e] = GetTimer(e) + (placement_time * 1000)
			 timer_running[e] = 1
			 temp = 0
			else 
				if GetTimer(e) > StartTime[e] and temp == 0 then
				 temp = 1
				 ResetPosition(e,g_PlayerPosX,GetTerrainHeight(g_PlayerPosX,g_PlayerPosZ)+1,g_PlayerPosZ)
				 mines = mines - 1
				 Show(e)
				 proximine_started[e] = 0
				 mine_state[e] = "placed"
				 pressed = 1
				end
			end
		end
	elseif mine_state[e] == "placed" then 
		if proximine_started[e] == 0 then 
			for a = 1, 2999 do
				if g_Entity[a] ~= nil then
					if g_Entity[a]['health'] > 25 then
						MineDX = g_Entity[a]['x'] - g_Entity[e]['x'];
						MineDY = g_Entity[a]['y'] - g_Entity[e]['y'];
						MineDZ = g_Entity[a]['z'] - g_Entity[e]['z'];
						MineDist = (MineDX*MineDX)+(MineDY*MineDY)+(MineDZ*MineDZ);
						if MineDist < trigger_dist*trigger_dist and proximine_started[e] == 0 and GetPlayerDistance(e) > player_safe_dist then
							proximine_started[e] = GetTimer(e)+ (explosion_delay * 1000)
							PlaySound(e,0)
						end
					end
				end
			end
		else 
			if GetTimer(e) > proximine_started[e] then
			 SetEntityHealth(e,0)
			end
		end
	end 
  if g_KeyPressE == 0 then
	 timer_running[e] = 0
	 pressed = 0
	 temp = 0
	end
end


function PlayerLooking(e,dis,v)
if g_Entity[e] ~= nil then
if dis == nil then
dis = 3000
end
if v == nil then
v = 0.5
end
if GetPlayerDistance(e) <= dis then
local destx = g_Entity[e]['x'] - g_PlayerPosX
local destz = g_Entity[e]['z'] - g_PlayerPosZ
local angle = math.atan2(destx,destz)
angle = angle * (180.0 / math.pi)

if angle <= 0 then
angle = 360 + angle
elseif angle > 360 then
angle = angle - 360
end
while g_PlayerAngY < 0 or g_PlayerAngY > 360 do
if g_PlayerAngY <= 0 then
g_PlayerAngY = 360 + g_PlayerAngY
elseif g_PlayerAngY > 360 then
g_PlayerAngY = g_PlayerAngY - 360
end
end
local L = angle - v
local R = angle + v
if L <= 0 then
L = 360 + L 
elseif L > 360 then
L = L - 360
end
if R <= 0 then
R = 360 + R
elseif R > 360 then
R = R - 360
end

if (L < R and math.abs(g_PlayerAngY) > L and math.abs(g_PlayerAngY) < R) then
return 1
elseif (L > R and (math.abs(g_PlayerAngY) > L or math.abs(g_PlayerAngY) < R)) then
return 1
else
return 0
end
else
return 0
end
end
end