named more variables

1 files changed, 17 insertions, 9 deletions

diff --git a/scripts/vermiliondock.asm b/scripts/vermiliondock.asm
index 62323fd8..d3c7e31a 100755
--- a/scripts/vermiliondock.asm
+++ b/scripts/vermiliondock.asm
@@ -106,7 +106,7 @@ VermilionDock_1db9b: ; 1db9b (7:5b9b)
 	xor a
 	ld [rWY], a
 	ld [hWY], a
-	call VermilionDock_1dc94
+	call VermilionDock_EraseSSAnne
 	ld a, $90
 	ld [hWY], a
 	ld a, $1
@@ -178,21 +178,29 @@ VermilionDock_1dc7c: ; 1dc7c (7:5c7c)
 	jr z, .asm_1dc8e
 	ret
 
-VermilionDock_1dc94: ; 1dc94 (7:5c94)
-	ld hl, wcc5b
-	ld bc, SCREEN_WIDTH * 9
-	ld a, $14
+VermilionDock_EraseSSAnne: ; 1dc94 (7:5c94)
+; Fill the area the S.S. Anne occupies in BG map 0 with water tiles.
+	ld hl, wVermilionDockTileMapBuffer
+	ld bc, (5 * 32) + SCREEN_WIDTH
+	ld a, $14 ; water tile
 	call FillMemory
 	ld hl, vBGMap0 + 10 * 32
-	ld de, wcc5b
-	ld bc, $000c
+	ld de, wVermilionDockTileMapBuffer
+	ld bc, (6 * 32) / 16
 	call CopyVideoData
-	ld hl, wOverworldMap + 10 + 7 * VERMILION_DOCK_WIDTH ; 10, 7
-	ld a, $d
+
+; Replace the blocks of the lower half of the ship with water blocks. This
+; leaves the upper half alone, but that doesn't matter because replacing any of
+; the blocks is unnecessary because the blocks the ship occupies are south of
+; the player and won't be redrawn when the player automatically walks north and
+; exits the map. This code could be removed without affecting anything.
+	ld hl, wOverworldMap + (5 + 3) + (2 + 3) * (VERMILION_DOCK_WIDTH + 6) ; (5, 2)
+	ld a, $d ; water block
 	ld [hli], a
 	ld [hli], a
 	ld [hli], a
 	ld [hl], a
+
 	ld a, SFX_SS_ANNE_HORN
 	call PlaySound
 	ld c, 120