From cd00c0de313119962d285bc39cf96df6273d983f Mon Sep 17 00:00:00 2001
From: Marijn van der Werf <marijn.vanderwerf@gmail.com>
Date: Mon, 1 Aug 2016 19:28:22 +0200
Subject: [PATCH] Identify fade sprites

---
 src/drawing/sprite.c | 21 ++++++++++++++++++---
 src/sprites.h        |  8 +++++++-
 2 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/src/drawing/sprite.c b/src/drawing/sprite.c
index 6400f91ecd..bb8c25e510 100644
--- a/src/drawing/sprite.c
+++ b/src/drawing/sprite.c
@@ -31,6 +31,17 @@ rct_gx g2;
 	rct_g1_element *g1Elements = (rct_g1_element*)RCT2_ADDRESS_G1_ELEMENTS;
 #endif
 
+static const uint32 fadeSprites[] = {
+	SPR_NONE,
+	SPR_FADE_1,
+	SPR_FADE_2,
+	SPR_FADE_3,
+	SPR_FADE_4,
+	SPR_FADE_5,
+	SPR_FADE_6,
+	SPR_FADE_7,
+};
+
 static void read_and_convert_gxdat(SDL_RWops *file, size_t count, rct_g1_element *elements)
 {
 	rct_g1_element_32bit *g1Elements32 = calloc(count, sizeof(rct_g1_element_32bit));
@@ -179,9 +190,13 @@ int gfx_load_g2()
  */
 void sub_68371D()
 {
-	unk_9E3CE4[0] = NULL;
-	for (int i = 1; i < 8; i++) {
-		unk_9E3CE4[i] = g1Elements[23199 + i].offset;
+	for (int i = 0; i < countof(fadeSprites); i++) {
+		const uint32 spriteId = fadeSprites[i];
+		if (spriteId == SPR_NONE) {
+			unk_9E3CE4[i] = NULL;
+		} else {
+			unk_9E3CE4[i] = g1Elements[fadeSprites[i]].offset;
+		}
 	}
 }
 
diff --git a/src/sprites.h b/src/sprites.h
index 03c418e9ba..ea3718d803 100644
--- a/src/sprites.h
+++ b/src/sprites.h
@@ -665,7 +665,13 @@ enum {
 	SPR_RATING_LOW = 23197,
 	SPR_RATING_HIGH = 23198,
 	SPR_MENU_CHECKMARK = 23199,
-
+	SPR_FADE_1 = 23200,
+	SPR_FADE_2 = 23201,
+	SPR_FADE_3 = 23202,
+	SPR_FADE_4 = 23203,
+	SPR_FADE_5 = 23204,
+	SPR_FADE_6 = 23205,
+	SPR_FADE_7 = 23206,
 	SPR_MENU_NEW_GAME = 23207,
 	SPR_MENU_LOAD_GAME = 23208,
 	SPR_MENU_TUTORIAL = 23209,