Improved door landing

Improved door landing

LTTP_RND_GeneralBugfixes.asm

@@ -519,6 +519,9 @@ Dungeon_SaveRoomData_justKeys:
 org $02B861
 Dungeon_SaveRoomQuadrantData:
 
+org $02C11D
+CalculateTransitionLanding:
+
 org $02D9B9
 Underworld_LoadSpawnEntrance:
 
@@ -657,6 +660,9 @@ OverworldMap_DarkWorldTilemap:
 org $0ABAB9
 OverworldMap_LoadSprGfx:
 
+org $8AE817
+DungeonMapBossRooms:
+
 org $0CD7D1
 NameFile_MakeScreenVisible:
 org $0CDB3E

doorrando/drhooks.asm

@@ -54,6 +54,8 @@ org $82941a ; <- Bank02.asm : 3748 module 7.12.11 (LDA $0464 : BNE BRANCH_$11513
 jsl StraightStairsTrapDoor : rts
 org $828b54 ; <- Bank02.asm : 2200 (JSL UseImplicitRegIndexedLocalJumpTable)
 jsl InroomStairsTrapDoor
+org $82c146
+jsl HandleSpecialDoorLanding
 
 org $8289a0 ; JSL $0091C4
 jsl QuadrantLoadOrderBeforeScroll

doorrando/normal.asm

@@ -324,7 +324,7 @@ GetTileAttribute:
 {
     phk : pea.w .jslrtsreturn-1
     pea.w $02802c
-    jml $02c11d ; mucks with x/y sets a to Tile Attribute, I think
+    jml CalculateTransitionLanding ; mucks with x/y sets a to Tile Attribute, I think
     .jslrtsreturn
     rts
 }
@@ -417,3 +417,27 @@ InroomStairsTrapDoor:
     jsl StraightStairsTrapDoor_reset
     jml $028b15 ; just some RTS in bank 02
 }
+
+HandleSpecialDoorLanding: {
+    LDA.l $7F2000,X ; what we wrote over
+    SEP #$30
+    JSL HandleIncomingDoorState
+    CMP #$34 : bne + ; inroom stairs
+        PHA : LDA #$26 : STA $045E : PLA
+    +
+}
+
+; A = tiletype
+HandleIncomingDoorState:
+{
+    PHA
+    LDA.l DRMode : BEQ .noDoor
+    PLA : PHA : AND.b #$FA : CMP.b #$80 : bne .noDoor
+    
+    .setDoorState
+    LDA.w $0418 : AND.b #$02 : BNE + : INC
+    + STA.b $6C
+
+    .noDoor
+    PLA : RTL
+}

doorrando/spiral.asm

@@ -207,19 +207,16 @@ InroomStairsWarp: {
     .normal
         lda $01 : sta $fe ; trap door
         lda $07 : sta $03 : beq +
-            ldy $a0 : cpy #$51 : beq .specialFix ; throne room
+            lda $01 : and #$04 : bne .specialFix
-            cpy #$02 : beq .specialFix ; sewers pull switch
+            lda #$e0 : bra ++
-            cpy #$71 : beq .specialFix ; castle armory
-            lda #$e0
-            bra ++
             .specialFix
-            lda #$c8
+            lda #$c8 : bra ++
-            bra ++
         +
             %StonewallCheck($43)
-            lda #$1b
+            lda $01 : and #$04 : bne +
-        ++
+            lda #$1b : bra ++
-        sta $20
+            + lda #$33
+        ++ sta $20
         inc $07 : stz $02 : lda #$78 : sta $22
         lda $01 : and #$03 : beq ++
             cmp #$02 : !bge +

dungeonmap.asm

@@ -21,7 +21,7 @@ DoDungeonMapBossIcon:
 
 	; get dungeon boss room
 ++	REP #$30
-	LDA.l $8AE817,X
+	LDA.l DungeonMapBossRooms, X
 	ASL
 	TAX