;;; General ;;;
{
Evir, mini-Draygon. Moves up and down
Evir projectile. Shoots at Samus, regenerates at evir position once far off-screen

Enemy ID:
    $E63F: Evir
    $E67F: Evir projectile
Bank: $A8
Enemy projectiles: None

; Evir
Parameter 0: 
Parameter 1: Part
    0: Body
    1: Arms
Parameter 2 low: Speed table index. Range 0..40h. Speed = v * 0.1000h px/frame
Parameter 2 high: Movement timer

; Evir projectile
Parameter 0: Unused
Parameter 1: Unused
Parameter 2: Unused

Properties must have process instructions bit set
Body, arms and projectile enemies must be placed together in that order
}


;;; Behaviour ;;;
{
}


;;; WRAM ;;;
{
; Evir
{
$0FAA: Facing direction
{
    0: Left
    1: Right
}
$0FAC: Function
{
    $8922: Handle body/arms
}
$0FB0: Movement timer
$7E:7800: Movement direction
{
    0: Up
    1: Down
}
$7E:7802: Instruction list
$7E:7804: New instruction list
$7E:7806: Down subvelocity
$7E:7808: Down velocity
$7E:780A: Up subvelocity
$7E:780C: Up velocity
}

; Evir projectile
{
$0FAA: Facing direction
{
    0: Left
    1: Right
}
$0FAC: Function
{
    $8A34: Idle
    $8A3B: Moving
    $8A78: Regenerating
}
$0FB2: Regeneration X offset
$7E:7802: Instruction list
$7E:7804: New instruction list
$7E:780E: X velocity
$7E:7810: X subvelocity
$7E:7812: Y velocity
$7E:7814: Y subvelocity
$7E:7816: Moving flag
$7E:7818: Regenerating flag
}
}


;;; Enemy population ;;;
{
 ________________________________________ Enemy ID
|      __________________________________ X position
|     |     _____________________________ Y position
|     |    |      _______________________ Initialisation parameter
|     |    |     |      _________________ Properties. 2000h = process instructions, 800h = process whilst off-screen, 400h = intangible
|     |    |     |     |     ____________ Extra properties
|     |    |     |     |    |      ______ Parameter 1
|     |    |     |     |    |     |     _ Parameter 2
|     |    |     |     |    |     |    |
; Debug
E63F, 0100,0100, 0000, 2000,0000, 0000,1010 ; Evir
E63F, 0100,0100, 0000, 2400,0000, 0001,0000 ; Evir
E67F, 0100,0100, 0000, 2800,0000, 0002,0000 ; Evir projectile

; Room $D461. Evir hall west
E63F, 01F8,00A0, 0000, 2000,0000, 0000,F808 ; Evir
E63F, 01F8,00A0, 0000, 2400,0000, 0001,0000 ; Evir
E67F, 01F8,00A0, 0000, 2800,0000, 0002,0000 ; Evir projectile
E63F, 02E0,0078, 0000, 2000,0000, 0000,D00C ; Evir
E63F, 02E0,0078, 0000, 2400,0000, 0001,0000 ; Evir
E67F, 02E0,0078, 0000, 2800,0000, 0002,0000 ; Evir projectile
E63F, 0340,00A0, 0000, 2000,0000, 0000,F808 ; Evir
E63F, 0340,00A0, 0000, 2400,0000, 0001,0000 ; Evir
E67F, 0340,00A0, 0000, 2800,0000, 0002,0000 ; Evir projectile

; Room $D4C2. Evir hall east
E63F, 00A8,00A0, 0000, 2000,0000, 0000,F808 ; Evir
E63F, 00A8,00A0, 0000, 2400,0000, 0001,0000 ; Evir
E67F, 00A8,00A0, 0000, 2800,0000, 0002,0000 ; Evir projectile
E63F, 0100,0078, 0000, 2000,0000, 0000,D00C ; Evir
E63F, 0100,0078, 0000, 2400,0000, 0001,0000 ; Evir
E67F, 0100,0078, 0000, 2800,0000, 0002,0000 ; Evir projectile
E63F, 0220,0078, 0000, 2000,0000, 0000,D00C ; Evir
E63F, 0220,0078, 0000, 2400,0000, 0001,0000 ; Evir
E67F, 0220,0078, 0000, 2800,0000, 0002,0000 ; Evir projectile

}


;;; Enemy header ;;;
{
 __________ Evir
|       ___ Evir projectile
|      |
0600   0600    ; 0: Tile data size
8687   8687    ; 2: Palette
012C   012C    ; 4: Health
0064   0064    ; 6: Damage
0010   0008    ; 8: Width
0014   0008    ; Ah: Height
A8     A8      ; Ch: Bank
00     00      ; Dh: Hurt AI time
004A   0000    ; Eh: Cry
0000   0000    ; 10h: Boss ID
87E0   88B0    ; 12h: Initialisation AI
0003   0001    ; 14h: Number of parts
891B   899E    ; 18h: Main AI
800F   800F    ; 1Ah: Grapple AI
804C   804C    ; 1Ch: Hurt AI
8041   8041    ; 1Eh: Frozen AI
0000   0000    ; 20h: Time is frozen AI
0004   0000    ; 22h: Death animation
8B0C   804C    ; 28h: Power bomb reaction
0000   0000    ; 2Ah: Sidehopper variant index
8B06   8023    ; 30h: Enemy touch
8B12   804C    ; 32h: Enemy shot
B19400 B19400  ; 36h: Tile data
05     05      ; 39h: Layer
F350   F350    ; 3Ah: Drop chances ($B4)
EFCE   EFE4    ; 3Ch: Vulnerabilities ($B4)
DE23   0000    ; 3Eh: Enemy name ($B4)
}


;;; Enemy vulnerabilities ;;;
{
; Vulnerability format:
;     v = fddddddd
;     If v = FFh:
;         Freeze, no damage
;     Else:
;         d: Damage multiplier * 2
;         f: Does not freeze

Evir:
02 ; Power
02 ; Wave
FF ; Ice
FF ; Ice + wave
02 ; Spazer
02 ; Spazer + wave
FF ; Spazer + ice
FF ; Spazer + ice + wave
02 ; Plasma
02 ; Plasma + wave
82 ; Plasma + ice
82 ; Plasma + ice + wave
  
02 ; Missile
02 ; Super missile
02 ; Bomb
02 ; Power bomb
02 ; Speed booster
02 ; Shinespark
02 ; Screw attack
02 ; Charged beam
02 ; Pseudo screw attack
02 ; Unused

Evir projectile:
00 ; Power
00 ; Wave
00 ; Ice
00 ; Ice + wave
00 ; Spazer
00 ; Spazer + wave
00 ; Spazer + ice
00 ; Spazer + ice + wave
00 ; Plasma
00 ; Plasma + wave
00 ; Plasma + ice
00 ; Plasma + ice + wave
  
00 ; Missile
00 ; Super missile
00 ; Bomb
00 ; Power bomb
00 ; Speed booster
00 ; Shinespark
00 ; Screw attack
00 ; Charged beam
00 ; Pseudo screw attack
00 ; Unused
}


;;; Enemy drop chances ;;;
{
50 ;  31.4% Small health
50 ;  31.4% Big health
50 ;  31.4% Missiles
05 ;   2.0% Nothing
05 ;   2.0% Super missiles
05 ;   2.0% Power bombs
}