From 261ec334a0bedbeb3f4340d22173bcb4dec78e6f Mon Sep 17 00:00:00 2001
From: theo3 <arisstephenson2@gmail.com>
Date: Tue, 4 Aug 2020 17:10:55 -0700
Subject: def ScreenTransition

---
 include/functions.h  |  1 +
 include/global.h     | 17 ++++++-----------
 include/structures.h | 36 ++++++++++++++++++++++++++++--------
 3 files changed, 35 insertions(+), 19 deletions(-)

(limited to 'include')

diff --git a/include/functions.h b/include/functions.h
index 40ebac66..56b28ea6 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -204,4 +204,5 @@ extern u32 sub_0800445C(Entity*);
 extern void sub_0807A108(void);
 extern void sub_0801766C(Entity*);
 extern void sub_08004168(Entity*);
+extern u32 sub_08052638(u32);
 #endif
\ No newline at end of file
diff --git a/include/global.h b/include/global.h
index 6738b6b8..28a0769c 100644
--- a/include/global.h
+++ b/include/global.h
@@ -47,17 +47,12 @@
 #define min(a, b) ((a) < (b) ? (a) : (b))
 #define max(a, b) ((a) >= (b) ? (a) : (b))
 
-struct Coords16
-{
-    s16 x;
-    s16 y;
-} PACKED;
-
-struct UCoords16
-{
-    u16 x;
-    u16 y;
-};
+typedef union {
+    s32 WORD;
+    struct {
+        s16 x, y;
+    } HALF;
+} Coords;
 
 union SplitWord {
     s32 WORD;
diff --git a/include/structures.h b/include/structures.h
index fb96345d..2ca783bf 100644
--- a/include/structures.h
+++ b/include/structures.h
@@ -17,12 +17,19 @@ typedef struct {
 extern struct_02002A40 gUnk_02002A40;
 
 typedef struct {
-    u8 field_0x0[8];
-    u8 field_0x8;
-    u8 field_0x9;
-    u8 field_0xa[6];
-    union SplitWord field_0x10;
-    u8 field_0x14[0xc];
+    u16 frameCount; // regular frame count? does anything reset it?
+    u8 field_0x2[6];
+    bool8 transitioningOut;
+    u8 transitionType; // transition when changing areas
+    u8 field_0xa;
+    u8 field_0xb;
+    u8 areaID;
+    u8 roomID;
+    u8 animState;
+    u8 field_0xf;
+    Coords startPos;
+    u16 collisionLayer;
+    u8 field_0x14[0xa];
     u16 field_0x20;
     u16 field_0x22;
     u8 field_0x24[0x14];
@@ -35,9 +42,22 @@ typedef struct {
     u16 field_0x46;
     u16 field_0x48;
     u16 field_0x4a;
-} struct_030010A0;
+} ScreenTransition;
 
-extern struct_030010A0 gUnk_030010A0;
+extern ScreenTransition gScreenTransition;
 
+typedef struct {
+    u16 transitionType;
+    u8 field_0x2[4];
+    s16 playerXPos;
+    s16 playerYPos;
+    u8 field_0xa;
+    u8 areaID;
+    u8 roomID;
+    u8 collisionLayer;
+    u8 field_0xe;
+    u8 playerAnimState;
+    u16 transitionSFX;
+} ScreenTransitionData;
 
 #endif
\ No newline at end of file
-- 
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