add librarian subsprite to mermaid/maple

Sprites/NPCs/mermaid.asm

@@ -37,8 +37,12 @@ Sprite_Mermaid_Long:
   PHB : PHK : PLB
 
   LDA.w SprMiscE, X : BEQ .MermaidDraw
+  CMP.b #$02 : BEQ .LibrarianDraw
     JSR Sprite_Maple_Draw
     JMP .Continue
+  .LibrarianDraw
+  JSR Sprite_Librarian_Draw
+  JMP .Continue
   .MermaidDraw
   JSR Sprite_Mermaid_Draw ; Call the draw code
   .Continue
@@ -64,6 +68,11 @@ Sprite_Mermaid_Prep:
     LDA.b #$01 : STA.w SprMiscE, X
     LDA.b #$03 : STA.w SprAction, X
   +
+  CMP.b #$02 : BNE ++
+    ; Librarian Sprite
+    LDA.b #$02 : STA.w SprMiscE, X
+    LDA.b #$06 : STA.w SprAction, X
+  ++
   PLB
   RTL
 }
@@ -81,6 +90,8 @@ Sprite_Mermaid_Main:
   dw Maple_BoughtMilkBottle
   dw Maple_NotEnoughRupees
 
+  dw LibrarianIdle
+
   MermaidWait:
   {
     %PlayAnimation(0,0, 20)
@@ -201,6 +212,14 @@ Sprite_Mermaid_Main:
     %ShowUnconditionalMessage($0189) ; You don't have enough rupees!
     RTS
   }
+
+  LibrarianIdle:
+  {
+    %PlayAnimation(0,1,16)
+    JSL Sprite_PlayerCantPassThrough
+    RTS
+  }
+
 }
 
 Sprite_Mermaid_Draw:
@@ -362,3 +381,81 @@ Sprite_Maple_Draw:
   db $39, $39
   db $39, $39
 }
+
+Sprite_Librarian_Draw:
+{
+  JSL Sprite_PrepOamCoord
+  JSL Sprite_OAM_AllocateDeferToPlayer
+
+  LDA $0DC0, X : CLC : ADC $0D90, X : TAY;Animation Frame
+  LDA .start_index, Y : STA $06
+
+
+  PHX
+  LDX .nbr_of_tiles, Y ;amount of tiles -1
+  LDY.b #$00
+  .nextTile
+
+  PHX ; Save current Tile Index?
+      
+  TXA : CLC : ADC $06 ; Add Animation Index Offset
+
+  PHA ; Keep the value with animation index offset?
+
+  ASL A : TAX 
+
+  REP #$20
+
+  LDA $00 : CLC : ADC .x_offsets, X : STA ($90), Y
+  AND.w #$0100 : STA $0E 
+  INY
+  LDA $02 : CLC : ADC .y_offsets, X : STA ($90), Y
+  CLC : ADC #$0010 : CMP.w #$0100
+  SEP #$20
+  BCC .on_screen_y
+
+  LDA.b #$F0 : STA ($90), Y ;Put the sprite out of the way
+  STA $0E
+  .on_screen_y
+
+  PLX ; Pullback Animation Index Offset (without the *2 not 16bit anymore)
+  INY
+  LDA .chr, X : STA ($90), Y
+  INY
+  LDA .properties, X : STA ($90), Y
+
+  PHY 
+      
+  TYA : LSR #2 : TAY
+      
+  LDA .sizes, X : ORA $0F : STA ($92), Y ; store size in oam buffer
+      
+  PLY : INY
+      
+  PLX : DEX : BPL .nextTile
+
+  PLX
+
+  RTS
+
+
+  .start_index
+  db $00, $02
+  .nbr_of_tiles
+  db 1, 1
+  .x_offsets
+  dw 0, 0
+  dw 0, 0
+  .y_offsets
+  dw 0, -10
+  dw -9, 0
+  .chr
+  db $2A, $24
+  db $24, $28
+  .properties
+  db $39, $39
+  db $39, $39
+  .sizes
+  db $02, $02
+  db $02, $02
+}