;;; General ;;;
{
Skree. Waits for Samus to get near and launches down, burrows when hits the ground
Metaree, metal skree. Proximity is wider, variable Y velocity during attack

Enemy ID:
    $D67F: Metaree
    $DB7F: Skree
Bank: $A3
Enemy projectiles:
    $8BC2 ; Skree particle - down-right
    $8BD0 ; Skree particle - up-right
    $8BDE ; Skree particle - down-left
    $8BEC ; Skree particle - up-left
    $8BFA ; Metaree particle - down-right
    $8C08 ; Metaree particle - up-right
    $8C16 ; Metaree particle - down-left
    $8C24 ; Metaree particle - up-left

Parameter 0: Unused
Parameter 1: Unused
Parameter 2: Unused

Properties must have process instructions bit set
}


;;; Behaviour ;;;
{
}


;;; WRAM ;;;
{
$0FA8: Burrow timer
$0FAA: Function
{
    $8987: Metaree - idling
    $89D4: Metaree - prepare to launch attack
    $89F3: Metaree - launched attack
    $8A5C: Metaree - burrowing
    $C6D5: Skree - idling
    $C6F7: Skree - prepare to launch attack
    $C716: Skree - launched attack
    $C77F: Skree - burrowing
}
$0FAC: New instruction list index
{
    0: Idling
    1: Prepare to launch attack
    2: Launched attacked
}
$0FAE: Instruction list index
{
    0: Idling
    1: Prepare to launch attack
    2: Launched attacked
}
$0FB0: Attack ready flag
$0FB2: Y velocity
}


;;; Enemy population ;;;
{
 ________________________________________ Enemy ID
|      __________________________________ X position
|     |     _____________________________ Y position
|     |    |      _______________________ Initialisation parameter
|     |    |     |      _________________ Properties. 2000h = process instructions
|     |    |     |     |     ____________ Extra properties
|     |    |     |     |    |      ______ Parameter 1
|     |    |     |     |    |     |     _ Parameter 2
|     |    |     |     |    |     |    |
; Debug
D67F, 0100,0100, 0000, 2000,0000, 0000,0000 ; Metaree
DB7F, 0100,0100, 0000, 2000,0000, 0000,0000 ; Skree

; Room $92FD, state $932E. Crateria mainstreet - event "Zebes is awake" is set
DB7F, 02FE,003B, 0000, 2000,0000, 0000,0000 ; Skree
DB7F, 02BE,005B, 0000, 2000,0000, 0000,0000 ; Skree
DB7F, 027E,003B, 0000, 2000,0000, 0000,0000 ; Skree

; Room $9F64, state $9F90. Blue Brinstar ceiling e-tank hall - event "Zebes is awake" is set
DB7F, 00DE,024B, 0000, 2000,0000, 0000,0000 ; Skree
DB7F, 00FE,023B, 0000, 2000,0000, 0000,0000 ; Skree

; Room $9CB3. Dachora room
D67F, 062D,006C, 0000, 2000,0000, 0000,0000 ; Metaree
D67F, 0658,004C, 0000, 2000,0000, 0000,0000 ; Metaree
D67F, 0673,004C, 0000, 2000,0000, 0000,0000 ; Metaree

; Room $A3DD. Red Brinstar skree-duo hall
DB7F, 0148,003C, 0000, 2000,0000, 0000,0000 ; Skree
DB7F, 0170,003C, 0000, 2000,0000, 0000,0000 ; Skree

; Room $AB3B. Post Crocomire tidal acid cave
D67F, 0118,0038, 0000, 2000,0000, 0000,0000 ; Metaree
D67F, 00F8,0040, 0000, 2000,0000, 0000,0000 ; Metaree

; Room $ACF0. Speed booster lavaquake
D67F, 0120,0064, 0000, 2000,0000, 0000,0000 ; Metaree
D67F, 00F0,0056, 0000, 2000,0000, 0000,0000 ; Metaree

; Room $B07A. Speed booster lavaquake farming room
DB7F, 00C8,0148, 0000, 2000,0000, 0000,0000 ; Skree
DB7F, 00A8,0140, 0000, 2000,0000, 0000,0000 ; Skree
DB7F, 0080,0138, 0000, 2000,0000, 0000,0000 ; Skree

}


;;; Enemy header ;;;
{
 __________ Metaree
|       ___ Skree
|      |
0600   0400    ; 0: Tile data size
88F0   C63E    ; 2: Palette
0032   000F    ; 4: Health
0032   000A    ; 6: Damage
0008   0008    ; 8: Width
000C   000C    ; Ah: Height
A3     A3      ; Ch: Bank
00     00      ; Dh: Hurt AI time
0021   0021    ; Eh: Cry
0000   0000    ; 10h: Boss ID
8960   C6AE    ; 12h: Initialisation AI
0001   0001    ; 14h: Number of parts
8979   C6C7    ; 18h: Main AI
800F   800A    ; 1Ah: Grapple AI
804C   804C    ; 1Ch: Hurt AI
8041   8041    ; 1Eh: Frozen AI
0000   0000    ; 20h: Time is frozen AI
0002   0000    ; 22h: Death animation
0000   0000    ; 28h: Power bomb reaction
0000   0000    ; 2Ah: Sidehopper variant index
8023   8023    ; 30h: Enemy touch
8B0F   C7F5    ; 32h: Enemy shot
AF9200 AE8C00  ; 36h: Tile data
05     05      ; 39h: Layer
F314   F206    ; 3Ah: Drop chances ($B4)
EDBE   EC1C    ; 3Ch: Vulnerabilities ($B4)
DF8F   E125    ; 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

Skree:
; Default

Metaree:
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
  
00 ; Missile
02 ; Super missile
02 ; Bomb
02 ; Power bomb
00 ; Speed booster
00 ; Shinespark
02 ; Screw attack
00 ; Charged beam
02 ; Pseudo screw attack
02 ; Unused
}


;;; Enemy drop chances ;;;
{
 ____ Metaree
|   _ Skree
|  |
50 14 ;  31.4%   7.8% Small health
19 03 ;   9.8%   1.2% Big health
50 55 ;  31.4%  33.3% Missiles
3C 89 ;  23.5%  53.7% Nothing
05 05 ;   2.0%   2.0% Super missiles
05 05 ;   2.0%   2.0% Power bombs
}