Scrolling Health System With Lifestones

//Create Event:

//HP and maxHP
MHP=1000
HP=MHP
EHP=1
MEHP=16

//scrolling variables
HPP=0
HPM=0

//temp scroll variables for lifestones
HPT=0
HMT=0

//gun timer
fireTime=0
fireDelay=6


//Step Event:

///Manage HP

//increase/decrease health
if HPM>=10
{
 HPM-=10
 HP-=10
}else{
 if HPM>0
 {
  HPM-=1
  HP-=1
 }else{
 HP-=HPM HPM=0}
}

if HPP>=10
{
 HPP-=10
 HP+=10
}else{
 if HPP>0
 {
  HPP-=1
  HP+=1
 }else{HP+=HPP HPP=0}
}

//lifestones
if HPM>0 and HP<=0
{
 if EHP>0
 {
  HMT=HPM
  HPM=0

  EHP-=1
  HP=MHP

  HPM=HMT
  HMT=0
 }
 else if EHP=0 {HPM=0}
}

if HPP>0 and HP>=MHP
{
 if EHP<MEHP
 {
  HPT=HPP
  HPP=0

  EHP+=1
  HP=0

  HPP=HPT
  HPT=0
 }
 //else if EHP=MEHP{HPP=0}
}

if HP<0 {HP=0}

if HP>MHP {HP=MHP}

//Draw GUI Event:

draw_sprite(res_HPTest,EHP,2,2)

draw_sprite_part_ext(res_HP,0,0,0,((HP+HPP)/MHP)*sprite_get_width(res_HP),sprite_get_height(res_HP),45,6,1,1,c_green,1)

draw_sprite_part_ext(res_HP,0,0,0,(HP/MHP)*sprite_get_width(res_HP),sprite_get_height(res_HP),45,6,1,1,c_orange,1)

draw_sprite_part_ext(res_HP,0,0,0,((HP-HPM)/MHP)*sprite_get_width(res_HP),sprite_get_height(res_HP),45,6,1,1,c_red,1)