-- Setup x and y Hud screen location
local posX = 10
local posY = 80

-- Import Hud image and set size, center on (x,y), depth then send sprite image off screen to start.
hudSpriteImage	=	LoadImage ( "scriptbank\\images\\hudSprite.png" )
hudSprite = CreateSprite(hudSpriteImage)
SetSpriteSize 		( hudSprite , 18 , -1 ) -- Hud Sprite Size.
SetSpriteOffset 	( hudSprite , 9 , -1 ) -- Hud Sprite Centre which is half the sprite size above.
SetSpriteDepth		( hudSprite , 50 ) -- Hud Sprite Depth which will be half way at 50 between 100 - 1
SetSpritePosition	( hudSprite , 200 , 200 ) -- Send Hud Sprite off screen.

-- Okay now bring the hud sprite back to the screen location below the text layer.
PasteSpritePosition	( hudSprite , posX , posY )
TextCenterOnXColor	(posX , posY,1,"Your Hud Text",255,255,255)

--[
	-- Now this is just and example of text on a sprite and will need to be put in to your lua code where needed.
]--

--set the path to find the image to use to display behind the health text
health_i = LoadImage("scriptbank\\images\\hud\\2.png")
--set the path to the image to use behind the gun & ammo count
ammo_i = LoadImage("scriptbank\\images\\hud\\3.png")
--set the path to the image to use behind the lives counter
lives_i = LoadImage("scriptbank\\images\\hud\\1.png")

--note values are % of screen so 50 is middle of the screen
health_posx = 18.3 --x position of the health hud
health_posy = 88.3--y position of the health hud
health_sizex = 10.5 --x size of health hud
health_sizey = 10 --y size of the health hud 

--set values again for the ammo counter
ammo_posx = 0
ammo_posy = 88.3 
ammo_sizex = 10.5
ammo_sizey = 10 

--set values again for the lives count
lives_posx = 9.0
lives_posy = 88.5
lives_sizex = 10.5
lives_sizey = 10 

--colour of the text in RGB format (0,0,0 = black and 255,255,255 = white)
health_red = 0
health_blue = 0
health_green = 0

--colour for ammo text
ammo_red = 0
ammo_green = 0
ammo_blue = 0

--colour for lives text
lives_red = 0
lives_green = 0
lives_blue = 0

--the size of the text (1 = small, 5 = big)
text_size = 3
--note the text position is currently automatically placed in the center of the image

--set to 1 if you want the max_PlayerHealth to increase when players current health goes above it (not a good idea if you are using a temporary health increase effect in your level) 
dynamic_max_health = 1 


max_PlayerHealth = nil
health_sprite = nil 
ammo_sprite = nil
lives_sprite = nil
player_dead = 0

function custom_hud_init(e)
HideHuds()
Hide(e)
CollisionOff(e)
end 

function

function custom_hud_main(e)
--create and size sprites
if health_sprite == nil and health_i ~= nil then
health_sprite = CreateSprite(health_i)
SetSpriteSize(health_sprite,health_sizex,health_sizey)
else
if ammo_sprite == nil and ammo_i ~= nil then
ammo_sprite = CreateSprite(ammo_i)
SetSpriteSize(ammo_sprite,ammo_sizex,ammo_sizey)
else
if lives_sprite == nil and lives_i ~= nil then
lives_sprite = CreateSprite(lives_i)
SetSpriteSize(lives_sprite,lives_sizex,lives_sizey)
else
--handles player max health
if max_PlayerHealth == nil then
max_PlayerHealth = g_PlayerHealth
else
--checks if we want to increase the players max health
if dynamic_max_health == 1 then
if g_PlayerHealth > max_PlayerHealth then
max_PlayerHealth = g_PlayerHealth
end
end
--check if player died and restore his health to max health
if g_PlayerHealth < 1 then
player_dead = 1 
elseif player_dead == 1 then
SetPlayerHealth(max_PlayerHealth)
player_dead = 0
end

--show the health hud
SetSpritePosition ( health_sprite, health_posx , health_posy )
PasteSprite ( health_sprite )
TextCenterOnXColor(health_posx+(health_sizex/2),health_posy+(health_sizey/(text_size-1)),text_size,g_PlayerHealth.." / "..max_PlayerHealth,health_red,health_green,health_blue)
SetSpritePosition ( health_sprite, -9999, -9999 )

--show the ammo hud
SetSpritePosition ( ammo_sprite, ammo_posx , ammo_posy )
PasteSprite ( ammo_sprite )
TextCenterOnXColor(ammo_posx+(ammo_sizex/2),ammo_posy+(ammo_sizey/(text_size-1)),text_size,g_PlayerGunAmmoCount.." / "..g_PlayerGunClipCount,ammo_red,ammo_green,ammo_blue)
SetSpritePosition ( ammo_sprite, -9999, -9999 )

--show the lives hud
SetSpritePosition ( lives_sprite, lives_posx , lives_posy )
PasteSprite ( lives_sprite )
TextCenterOnXColor(lives_posx+(lives_sizex/2),lives_posy+(lives_sizey/(text_size-1)),text_size,g_PlayerLives,lives_red,lives_green,lives_blue)
SetSpritePosition ( lives_sprite, -9999, -9999 )

end --max_PlayerHealth set
end --lives_sprite created
end --ammo_sprite created
end --health_sprite created

end --main


function custom_hud_exit(e)

end

TextCenterOnXColor(ammo_tex_posx,ammo_tex_posy,ammo_text_size,""..g_PlayerGunAmmoCount.." / "..g_PlayerGunClipCount,1,1,1)

       TextCenterOnXColor(ammo_tex_posx,ammo_tex_posy,3,""..g_PlayerGunAmmoCount,1,1,1)     

       PasteSpritePosition(heart_icon,heart_spr_posx,heart_spr_posy)
       TextCenterOnXColor(heart_tex_posx,heart_tex_posy,heart_text_size,""..g_PlayerHealth,1,1,1)