From 53ac2be5cf4064c9e5df4a97f4233b7014acb004 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Sat, 12 Jun 2021 21:18:42 -0400
Subject: Decompile unk_0201E7D8, 2

---
 arm9/src/unk_0201E7D8.c | 139 +++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 125 insertions(+), 14 deletions(-)

(limited to 'arm9/src')

diff --git a/arm9/src/unk_0201E7D8.c b/arm9/src/unk_0201E7D8.c
index 5915c4f5..3860e89d 100644
--- a/arm9/src/unk_0201E7D8.c
+++ b/arm9/src/unk_0201E7D8.c
@@ -1,5 +1,7 @@
 #include "global.h"
 #include "fx.h"
+#include "heap.h"
+#include "NNS_g3d.h"
 
 struct UnkStruct_0201E7D8_64
 {
@@ -11,7 +13,7 @@ struct UnkStruct_0201E7D8_64
     s32 unk_14;
     s32 unk_18;
     s32 unk_1C;
-    struct Vecx32 * unk_20;
+    VecFx32 * unk_20;
 };
 
 struct UnkStruct_0201E7D8
@@ -21,18 +23,16 @@ struct UnkStruct_0201E7D8
     fx32 unk_08;
     fx32 unk_0C;
     fx32 unk_10;
-    struct Vecx32 unk_14;
-    struct Vecx32 unk_20;
-    fx32 unk_2C;
-    fx32 unk_30;
-    fx32 unk_34;
+    VecFx32 unk_14;
+    VecFx32 unk_20;
+    VecFx32 unk_2C;
     fx32 unk_38;
     u16 unk_3C;
     u16 unk_3E;
     u8 filler_40[6];
     u16 unk_46;
-    u8 filler_48[12];
-    u32 unk_54;
+    VecFx32 unk_48;
+    VecFx32 * unk_54;
     u32 unk_58;
     u32 unk_5C;
     u32 unk_60;
@@ -40,7 +40,9 @@ struct UnkStruct_0201E7D8
 };
 
 BOOL UNK_02105BB8 = TRUE;
-void * UNK_021C59A4;
+struct UnkStruct_0201E7D8 * UNK_021C59A4;
+
+void FUN_0201EF70(VecFx32 * a0, struct UnkStruct_0201E7D8 * a1);
 
 THUMB_FUNC void FUN_0201E7D8(struct UnkStruct_0201E7D8 * a0)
 {
@@ -68,9 +70,9 @@ THUMB_FUNC void FUN_0201E99C(u16 a0, struct UnkStruct_0201E7D8 * a1)
     a1->unk_08 = FX32_CONST(1.33333333);
     a1->unk_0C = FX32_CONST(150);
     a1->unk_10 = FX32_CONST(900);
-    a1->unk_2C = 0;
-    a1->unk_30 = FX32_ONE;
-    a1->unk_34 = 0;
+    a1->unk_2C.x = 0;
+    a1->unk_2C.y = FX32_ONE;
+    a1->unk_2C.z = 0;
     a1->unk_54 = 0;
     a1->unk_58 = 0;
     a1->unk_5C = 0;
@@ -78,7 +80,7 @@ THUMB_FUNC void FUN_0201E99C(u16 a0, struct UnkStruct_0201E7D8 * a1)
     a1->unk_64 = NULL;
 }
 
-THUMB_FUNC void FUN_0201E9E8(struct UnkStruct_0201E7D8 * a0, struct Vecx32 * a1)
+THUMB_FUNC void FUN_0201E9E8(struct UnkStruct_0201E7D8 * a0, VecFx32 * a1)
 {
     if (a0->unk_58 == 0)
         a1->x = 0;
@@ -88,7 +90,7 @@ THUMB_FUNC void FUN_0201E9E8(struct UnkStruct_0201E7D8 * a0, struct Vecx32 * a1)
         a1->z = 0;
 }
 
-THUMB_FUNC void FUN_0201EA08(struct UnkStruct_0201E7D8 * a0, struct Vecx32 * a1, struct Vecx32 * a2)
+THUMB_FUNC void FUN_0201EA08(struct UnkStruct_0201E7D8 * a0, VecFx32 * a1, VecFx32 * a2)
 {
     s32 * r7;
     s32 * sp0;
@@ -121,3 +123,112 @@ THUMB_FUNC void FUN_0201EA08(struct UnkStruct_0201E7D8 * a0, struct Vecx32 * a1,
             a2->z = a1->z;
     }
 }
+
+THUMB_FUNC void FUN_0201EABC(s32 r5, s32 r7, s32 r6, s32 sp0, struct UnkStruct_0201E7D8 * sp18)
+{
+    s32 i;
+    struct UnkStruct_0201E7D8_64 * r4;
+
+    if (sp18->unk_54 != 0)
+    {
+        GF_ASSERT(r7 + 1 <= r5);
+        r4 = AllocFromHeap(sp0, sizeof(struct UnkStruct_0201E7D8_64));
+        r4->unk_20 = AllocFromHeap(sp0, sizeof(VecFx32) * r5);
+        for (i = 0; i < r5; i++)
+        {
+            r4->unk_20[i].x = 0;
+            r4->unk_20[i].y = 0;
+            r4->unk_20[i].z = 0;
+        }
+        r4->unk_00 = r5;
+        r4->unk_04 = 0;
+        r4->unk_08 = r7;
+        r4->unk_0C = r7;
+        r4->unk_10 = 0;
+        r4->unk_14 = 0;
+        r4->unk_18 = 0;
+        r4->unk_1C = 0;
+        if (r6 & 1)
+            r4->unk_14 = 1;
+        if (r6 & 2)
+            r4->unk_18 = 1;
+        if (r6 & 4)
+            r4->unk_1C = 1;
+        sp18->unk_64 = r4;
+    }
+}
+
+THUMB_FUNC void FUN_0201EB48(struct UnkStruct_0201E7D8 * a0)
+{
+    if (a0->unk_64 != NULL)
+    {
+        FreeToHeap(a0->unk_64->unk_20);
+        FreeToHeap(a0->unk_64);
+        a0->unk_64 = NULL;
+    }
+}
+
+THUMB_FUNC struct UnkStruct_0201E7D8 * FUN_0201EB64(u32 heap_id)
+{
+    return AllocFromHeap(heap_id, sizeof(struct UnkStruct_0201E7D8));
+}
+
+THUMB_FUNC void FUN_0201EB70(struct UnkStruct_0201E7D8 * a0)
+{
+    FreeToHeap(a0);
+}
+
+THUMB_FUNC void FUN_0201EB78(struct UnkStruct_0201E7D8 * a0, struct UnkStruct_0201E7D8 * a1)
+{
+    *a1 = *a0;
+}
+
+THUMB_FUNC void FUN_0201EB8C(struct UnkStruct_0201E7D8 * a0)
+{
+    UNK_021C59A4 = a0;
+}
+
+THUMB_FUNC void FUN_0201EB98(void)
+{
+    UNK_021C59A4 = NULL;
+}
+
+THUMB_FUNC void FUN_0201EBA4(void)
+{
+    VecFx32 sp10;
+    VecFx32 sp4;
+    if (UNK_021C59A4 != NULL)
+    {
+        if (UNK_021C59A4->unk_54 != NULL)
+        {
+            VEC_Subtract(UNK_021C59A4->unk_54, &UNK_021C59A4->unk_48, &sp10);
+            FUN_0201E9E8(UNK_021C59A4, &sp10);
+            FUN_0201EA08(UNK_021C59A4, &sp10, &sp4);
+            FUN_0201EF70(&sp4, UNK_021C59A4);
+            UNK_021C59A4->unk_48 = *UNK_021C59A4->unk_54;
+        }
+        NNS_G3dGlbLookAt(&UNK_021C59A4->unk_14, &UNK_021C59A4->unk_2C, &UNK_021C59A4->unk_20);
+    }
+}
+
+THUMB_FUNC void FUN_0201EC58(VecFx32 * a, struct UnkStruct_0201E7D8 * b)
+{
+    b->unk_2C = *a;
+}
+
+THUMB_FUNC void FUN_0201EC68(VecFx32 * a, struct UnkStruct_0201E7D8 * b)
+{
+    b->unk_54 = a;
+    b->unk_48 = *a;
+    b->unk_58 = 1;
+    b->unk_5C = 1;
+    b->unk_60 = 1;
+}
+
+THUMB_FUNC void FUN_0201EC88(struct UnkStruct_0201E7D8 * a0)
+{
+    a0->unk_54 = NULL;
+    a0->unk_58 = 0;
+    a0->unk_5C = 0;
+    a0->unk_60 = 0;
+}
-- 
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