5 files changed, 47 insertions, 21 deletions
diff --git a/include/battle.h b/include/battle.h
index c06bdaad5..52c4ee8ae 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -623,7 +623,7 @@ struct BattleHealthboxInfo
     u8 battlerBounceSpriteId;
     u8 animationState;
     u8 field_5;
-    u8 field_6;
+    u8 matrixNum;
     u8 shadowSpriteId;
     u8 field_8;
     u8 field_9;
diff --git a/include/battle_anim.h b/include/battle_anim.h
index e0c1b2b08..cdeb60e69 100644
--- a/include/battle_anim.h
+++ b/include/battle_anim.h
@@ -76,8 +76,8 @@ int GetAnimBgAttribute(u8 bgId, u8 attributeId);
 // battle_anim_80A5C6C.s
 void sub_80A6450(struct Sprite *sprite);
 void SetAverageBattlerPositions(u8 battlerId, bool8 a2, s16 *x, s16 *y);
-void move_anim_8074EE0(struct Sprite *sprite);
-void sub_80A656C(struct Sprite *sprite);
+void DestroySpriteAndMatrix(struct Sprite *sprite);
+void TranslateAnimLinearSimple(struct Sprite *sprite);
 void InitAnimSpritePos(struct Sprite *sprite, u8 a2);
 void sub_80A6980(struct Sprite *sprite, bool8 a2);
 void StartAnimLinearTranslation(struct Sprite *sprite);
@@ -88,11 +88,11 @@ void sub_80A8EE4(struct Sprite *sprite);
 u8 GetBattlerSpriteCoord2(u8 battlerId, u8 attributeId);
 void sub_80A6FD4(struct Sprite *sprite);
 u16 ArcTan2Neg(s16 a, s16 b);
-void sub_80A73E0(struct Sprite *sprite, bool8 a2, s16 xScale, s16 yScale, u16 rotation);
-void sub_80A67BC(struct Sprite *sprite);
+void TrySetSpriteRotScale(struct Sprite *sprite, bool8 a2, s16 xScale, s16 yScale, u16 rotation);
+void RunStoredCallbackWhenAffineAnimEnds(struct Sprite *sprite);
 void sub_80A66DC(struct Sprite *sprite);
-void sub_80A6838(struct Sprite *sprite);
-void sub_80A67D8(struct Sprite *sprite);
+void SetSpriteCoordsToAnimAttackerCoords(struct Sprite *sprite);
+void RunStoredCallbackWhenAnimEnds(struct Sprite *sprite);
 void sub_80A6864(struct Sprite *sprite, s16 a2);
 s16 sub_80A861C(u8 battlerId, u8 a2);
 u8 GetBattlerYCoordWithElevation(u8 battlerId);
@@ -101,32 +101,32 @@ void sub_80A7938(struct Sprite *sprite);
 void InitAnimLinearTranslation(struct Sprite *sprite);
 void sub_80A6F98(struct Sprite *sprite);
 u8 sub_80A8328(u8 battlerId);
-void *sub_80A8050(s16 bottom, s16 top);
-void sub_80A8048(s16 *bottom, s16 *top, const void *ptr);
+void *LoadPointerFromVars(s16 bottom, s16 top);
+void StorePointerInVars(s16 *bottom, s16 *top, const void *ptr);
 void sub_80A8278(void);
 void sub_80A6B30(struct UnknownAnimStruct2*);
 void sub_80A6B90(struct UnknownAnimStruct2*, u32 arg1);
-u8 sub_80A82E4(u8 battlerId);
+u8 GetBattlerSpriteSubpriority(u8 battlerId);
 bool8 TranslateAnimArc(struct Sprite *sprite);
 void sub_80A6630(struct Sprite *sprite);
 void sub_80A6680(struct Sprite *sprite);
-void sub_80A7344(u8 spriteId);
-void obj_id_set_rotscale(u8 spriteId, s16 xScale, s16 yScale, u16 rotation);
+void ResetSpriteRotScale(u8 spriteId);
+void SetSpriteRotScale(u8 spriteId, s16 xScale, s16 yScale, u16 rotation);
 void InitSpriteDataForLinearTranslation(struct Sprite *sprite);
-void sub_80A7270(u8 spriteId, u8 objMode);
-void sub_80A73A0(u8 spriteId);
+void PrepareBattlerSpriteForRotScale(u8 spriteId, u8 objMode);
+void SetBattlerSpriteYOffsetFromRotation(u8 spriteId);
 u32 sub_80A75AC(u8 a1, u8 a2, u8 a3, u8 a4, u8 a5, u8 a6, u8 a7);
 u32 sub_80A76C4(u8 a1, u8 a2, u8 a3, u8 a4);
 u8 sub_80A77AC(u8 a1);
-s16 duplicate_obj_of_side_rel2move_in_transparent_mode(u8);
+s16 CloneBattlerSpriteWithBlend(u8);
 void obj_delete_but_dont_free_vram(struct Sprite*);
 u8 sub_80A89C8(int, u8, int);
 void sub_80A6D60(struct UnknownAnimStruct2*, const void*, u32);
 void sub_80A6CC0(u32, const void*, u32);
 void sub_80A6DAC(bool8);
-void sub_80A634C(struct Sprite *);
+void TranslateSpriteInGrowingCircleOverDuration(struct Sprite *);
 void sub_80A653C(struct Sprite *);
-void sub_80A7E6C(u8 spriteId);
+void SetBattlerSpriteYOffsetFromYScale(u8 spriteId);
 void sub_80A805C(struct Task *task, u8 a2, s16 a3, s16 a4, s16 a5, s16 a6, u16 a7);
 u8 sub_80A80C8(struct Task *task);
 void sub_80A8EE4(struct Sprite *);
@@ -138,14 +138,20 @@ void sub_80A70C0(struct Sprite *sprite);
 void TranslateMonBGUntil(struct Sprite *sprite);
 void TranslateSpriteOverDuration(struct Sprite *sprite);
 void sub_80A77C8(struct Sprite *sprite);
+void sub_80A7000(struct Sprite *sprite);
+void TranslateSpriteInCircleOverDuration(struct Sprite *sprite);
+void SetGreyscaleOrOriginalPalette(u16 a1, bool8 a2);
+void PrepareAffineAnimInTaskData(struct Task *task, u8 spriteId, const union AffineAnimCmd *affineAnimCmds);
+bool8 RunAffineAnimFromTaskData(struct Task *task);
+void sub_80A78AC(struct Sprite *sprite);
 
 enum
 {
     BATTLER_COORD_X,
     BATTLER_COORD_Y,
     BATTLER_COORD_X_2,
-    BATTLER_COORD_3,
-    BATTLER_COORD_4,
+    BATTLER_COORD_Y_PIC_OFFSET,
+    BATTLER_COORD_Y_PIC_OFFSET_DEFAULT,
 };
 
 u8 GetBattlerSpriteCoord(u8 battlerId, u8 attributeId);
@@ -159,7 +165,6 @@ u8 sub_80A8364(u8 battlerId);
 void StoreSpriteCallbackInData6(struct Sprite *sprite, void (*spriteCallback)(struct Sprite*));
 void oamt_add_pos2_onto_pos1(struct Sprite *sprite);
 u8 GetBattlerSpriteDefault_Y(u8 battlerId);
-u8 sub_80A82E4(u8 battlerId);
 u8 GetSubstituteSpriteDefault_Y(u8 battlerId);
 
 // battle_anim_80A9C70.s
diff --git a/include/contest.h b/include/contest.h
index 0faa14c6e..54c431b94 100644
--- a/include/contest.h
+++ b/include/contest.h
@@ -416,7 +416,6 @@ extern struct ContestResources *gContestResources;
 #define eContestAI (gContestResources->field_C)
 #define shared19328 (*gContestResources->field_10)
 #define shared19338 (*gContestResources->field_14)
-#define shared19348 (*gContestResources->field_18)
 
 #define shared15800 (gHeap + 0x18000)
 #define shared18000 (*(struct Shared18000 *)(gHeap + 0x1a000))
diff --git a/include/graphics.h b/include/graphics.h
index 55020cacd..9150da83a 100644
--- a/include/graphics.h
+++ b/include/graphics.h
@@ -4377,6 +4377,9 @@ extern const u32 gBattleAnimSpriteSheet_280[];
 extern const u32 gBattleAnimSpriteSheet_281[];
 extern const u32 gBattleAnimSpriteSheet_282[];
 extern const u32 gBattleAnimSpriteSheet_283[];
+extern const u32 gBattleAnimBackgroundTilemap_ScaryFacePlayer[];
+extern const u32 gBattleAnimBackgroundTilemap_ScaryFaceOpponent[];
+extern const u32 gBattleAnimBackgroundTilemap_ScaryFaceContest[];
 extern const u32 gBattleAnimSpriteSheet_284[];
 extern const u32 gBattleAnimSpriteSheet_285[];
 
@@ -4589,10 +4592,15 @@ extern const u32 gBattleAnimSpritePalette_209[];
 extern const u32 gBattleAnimSpritePalette_210[];
 extern const u32 gBattleAnimSpritePalette_211[];
 extern const u32 gBattleAnimSpritePalette_215[];
+extern const u32 gUnknown_08C249D0[];
+extern const u32 gUnknown_08C249F8[];
 extern const u32 gBattleAnimSpritePalette_216[];
 extern const u32 gBattleAnimSpritePalette_217[];
 extern const u32 gBattleAnimSpritePalette_218[];
 extern const u32 gBattleAnimSpritePalette_219[];
+extern const u32 gUnknown_08C232E0;
+extern const u32 gUnknown_08C23D50;
+extern const u32 gUnknown_08C23D78;
 extern const u32 gBattleAnimSpritePalette_220[];
 extern const u32 gBattleAnimSpritePalette_221[];
 extern const u32 gBattleAnimSpritePalette_222[];
diff --git a/include/math_util.h b/include/math_util.h
new file mode 100755
index 000000000..6b0d42460
--- /dev/null
+++ b/include/math_util.h
@@ -0,0 +1,14 @@
+#ifndef GUARD_MATH_UTIL_H
+#define GUARD_MATH_UTIL_H
+
+s16 sub_8151534(s16 x, s16 y);
+s16 sub_8151550(u8 s, s16 x, s16 y);
+s32 sub_8151574(s32 x, s32 y);
+s16 sub_81515B0(s16 x, s16 y);
+s16 sub_81515D4(u8 s, s16 x, s16 y);
+s32 sub_81515FC(s32 x, s32 y);
+s16 sub_8151624(s16 y);
+s16 sub_815163C(u8 s, s16 y);
+s32 sub_815165C(s32 y);
+
+#endif // GUARD_MATH_UTIL_H