;;; General ;;;
{
Metroid. Fly at Samus and attach to her, draining her health until they get bombed off. Vulnerable only when frozen or power bombed

Enemy ID: $DD7F
Bank: $A3
Enemy projectiles: None

Parameter 0: Unused
Parameter 1: Unused
Parameter 2: Freeze health threshold. This much damage must be taken before freezing is allowed

Properties must have process instructions bit set
}


;;; Behaviour ;;;
{
}


;;; WRAM ;;;
{
$0FA8: X subvelocity
$0FAA: X velocity
$0FAC: Y subvelocity
$0FAE: Y velocity
$0FB0: Bombed off Samus cooldown timer
$0FB2: Function index
{
    0: Chase Samus
    1: Latch onto Samus
    2: Latched onto Samus
    3: Bombed off Samus
}
$0FB6: Freeze health threshold

$7E:7800: Metroid electricity sprite object index
$7E:7802: Metroid shell sprite object index
$7E:7804: Samus subhealth
}


;;; Enemy population ;;;
{
 ________________________________________ Enemy ID
|      __________________________________ X position
|     |     _____________________________ Y position
|     |    |      _______________________ Initialisation parameter
|     |    |     |      _________________ Properties. 2000h = process instructions
|     |    |     |     |     ____________ Extra properties
|     |    |     |     |    |      ______ Parameter 1
|     |    |     |     |    |     |     _ Parameter 2
|     |    |     |     |    |     |    |
; Debug
DD7F, 0100,0100, 0000, 2000,0000, 0000,0005

; Room $DAE1, state $DAF3. Metroid room 1 - default
DD7F, 010C,006A, 0000, 2000,0000, 0000,0005
DD7F, 027D,0074, 0000, 2000,0000, 0000,0005
DD7F, 036D,0092, 0000, 2000,0000, 0000,0005
DD7F, 04AD,008C, 0000, 2000,0000, 0000,0005

; Room $DB31, state $DB43. Metroid room 2 - default
DD7F, 0098,0115, 0000, 2000,0000, 0000,0005
DD7F, 0056,018A, 0000, 2000,0000, 0000,0005

; Room $DBCD, state $DBDF. Metroid room 4 - default
DD7F, 00C4,0152, 0000, 2000,0000, 0000,0005
DD7F, 003E,00FB, 0000, 2000,0000, 0000,0005
DD7F, 0046,01BE, 0000, 2000,0000, 0000,0005

; Room $DB7D, state $DB8F. Metroid room 3 - default
DD7F, 018A,0081, 0000, 2000,0000, 0000,0005
DD7F, 0367,0077, 0000, 2000,0000, 0000,0005
DD7F, 046A,0073, 0000, 2000,0000, 0000,0005

}


;;; Enemy header ;;;
{
1000    ; 0: Tile data size
E9AF    ; 2: Palette
01F4    ; 4: Health
0078    ; 6: Damage
000A    ; 8: Width
000A    ; Ah: Height
A3      ; Ch: Bank
00      ; Dh: Hurt AI time
005A    ; Eh: Cry
0000    ; 10h: Boss ID
EA4F    ; 12h: Initialisation AI
0001    ; 14h: Number of parts
EB98    ; 18h: Main AI
800F    ; 1Ah: Grapple AI
EB33    ; 1Ch: Hurt AI
EAE6    ; 1Eh: Frozen AI
0000    ; 20h: Time is frozen AI
0004    ; 22h: Death animation
F042    ; 28h: Power bomb reaction
0000    ; 2Ah: Sidehopper variant index
EDEB    ; 30h: Enemy touch
EF07    ; 32h: Enemy shot
AE9000  ; 36h: Tile data
05      ; 39h: Layer
F36E    ; 3Ah: Drop chances ($B4)
EF60    ; 3Ch: Vulnerabilities ($B4)
DFAB    ; 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

00 ; Power
00 ; Wave
FF ; Ice
FF ; Ice + wave
00 ; Spazer
00 ; Spazer + wave
FF ; Spazer + ice
FF ; Spazer + ice + wave
00 ; Plasma
00 ; Plasma + wave
FF ; Plasma + ice
FF ; Plasma + ice + wave
  
02 ; Missile
04 ; Super missile
00 ; Bomb
01 ; Power bomb
02 ; Speed booster
02 ; Shinespark
02 ; Screw attack
00 ; Charged beam
02 ; Pseudo screw attack
02 ; Unused
}


;;; Enemy drop chances ;;;
{
19 ;   9.8% Small health
32 ;  19.6% Big health
5A ;  35.3% Missiles
0A ;   3.9% Nothing
32 ;  19.6% Super missiles
1E ;  11.8% Power bombs
}