From 00b23885d9eba817f993dca939f690d9662dd880 Mon Sep 17 00:00:00 2001
From: Aetias <aetias@outlook.com>
Date: Thu, 23 May 2024 23:53:19 +0200
Subject: [PATCH] Decomp `Actor`

---
 include/Actor/Actor.hpp     |  14 ++--
 src/00_Core/Actor/Actor.cpp | 140 ++++++++++++++++++++++++++++++++----
 2 files changed, 132 insertions(+), 22 deletions(-)

diff --git a/include/Actor/Actor.hpp b/include/Actor/Actor.hpp
index 947caddf..d6c3b60f 100644
--- a/include/Actor/Actor.hpp
+++ b/include/Actor/Actor.hpp
@@ -92,7 +92,7 @@ public:
     /* 06c */ unk32 mGravity;
     /* 070 */ unk32 mMaxFall;
     /* 074 */ unk32 mUnk_074;
-    /* 078 */ s16 mAngle;
+    /* 078 */ u16 mAngle;
     /* 07a */ u16 mUnk_07a;
     /* 07c */ Cylinder mHitbox;
     /* 08c */ Cylinder mUnk_08c;
@@ -217,15 +217,15 @@ public:
     bool IsFollowedByLink();
     void StopLinkFollow();
     bool IsGrabbed();
-    s32 XzDistanceTo(Vec3p *vec);
-    s32 DistanceToLink();
-    s32 XzDistanceToLink();
+    q20 XzDistanceTo(Vec3p *vec);
+    q20 DistanceToLink();
+    q20 XzDistanceToLink();
     s32 GetAngleTo(Vec3p *vec);
     s32 GetAngleToLink();
-    void func_ov00_020c2988(Vec3p *param1, s32 param2, Vec3p *param3);
+    void func_ov00_020c2988(Vec3p *param1, q20 param2, Vec3p *param3);
     void ResetWallTouch();
-    bool func_ov00_020c29ec(s32 param1);
-    void GetHitbox(Cylinder *param1);
+    bool func_ov00_020c29ec(q20 param1);
+    void GetHitbox(Cylinder *hitbox);
     void GetUnk_08c(Cylinder *param1);
     void IncreaseActiveFrames();
     bool func_ov00_020c2c0c();
diff --git a/src/00_Core/Actor/Actor.cpp b/src/00_Core/Actor/Actor.cpp
index 7c8499cc..7b2167bf 100644
--- a/src/00_Core/Actor/Actor.cpp
+++ b/src/00_Core/Actor/Actor.cpp
@@ -7,6 +7,7 @@ extern "C" {
 #include "Item/ItemManager.hpp"
 #include "Map/MapManager.hpp"
 #include "Player/PlayerLinkBase.hpp"
+#include "Player/PlayerControl.hpp"
 #include "Save/AdventureFlags.hpp"
 
 KILL(_ZN5ActorC1Ev)
@@ -523,24 +524,133 @@ bool Actor::CollidesWithLink() {
 }
 
 bool Actor::IsFollowedByLink() {
-    // return mRef.id == gPlayerControl->mFollowRef.id;
+    return mRef.id == gPlayerControl->mFollowRef.id;
+}
+
+void Actor::StopLinkFollow() {
+    if (!this->IsFollowedByLink()) return;
+    gPlayerControl->StopFollowing();
+}
+
+bool Actor::IsGrabbed() {
+    s32 id = mRef.id;
+    return id == gPlayerLink->GetGrabActorId();
+}
+
+q20 Actor::XzDistanceTo(Vec3p *vec) {
+    Vec3p src;
+    src.z = mPos.z;
+    src.x = mPos.x;
+    src.y = 0;
+
+    Vec3p dest;
+    dest.z = vec->z;
+    dest.x = vec->x;
+    dest.y = 0;
+
+    return Vec3p_Distance(&src, &dest);
+}
+
+q20 Actor::DistanceToLink() {
+    return Vec3p_Distance(&mPos, &gPlayerPos);
+}
+
+q20 Actor::XzDistanceToLink() {
+    Vec3p src;
+    src.z = mPos.z;
+    src.x = mPos.x;
+    src.y = 0;
+    Vec3p dest = gPlayerPos;
+    dest.y = 0;
+    return Vec3p_Distance(&src, &dest);
+}
+
+s32 Actor::GetAngleTo(Vec3p *vec) {
+    s32 angle = mAngle;
+    q20 dx = vec->x - mPos.x;
+    q20 dz = vec->z - mPos.z;
+    if (dx != 0 || dz != 0) {
+        angle = Atan2(dx, dz);
+    }
+    return (s16)angle;
+}
+
+s32 Actor::GetAngleToLink() {
+    return this->GetAngleTo(&gPlayerPos);
+}
+
+extern "C" void func_0202d95c(Vec3p *param1, q20 param2);
+void Actor::func_ov00_020c2988(Vec3p *param1, q20 param2, Vec3p *param3) {
+    param3->x = param1->x - mPos.x;
+    param3->y = 0;
+    param3->z = param1->z - mPos.z;
+    q20 dist = this->XzDistanceTo(param1) < param2;
+    if (dist < param2) param2 = dist;
+    func_0202d95c(param3, param2);
+}
+
+void Actor::ResetWallTouch() {
+    mWallTouch.x = 0;
+    mWallTouch.y = 0;
+    mWallTouch.z = 0;
+}
+
+bool Actor::func_ov00_020c29ec(q20 param1) {
+    return Vec3p_Length(&mWallTouch) > param1;
+}
+
+void Actor::GetHitbox(Cylinder *hitbox) {
+    hitbox->size = mHitbox.size;
+    u16 angle = mAngle;
+    hitbox->pos.x = mPos.x;
+    hitbox->pos.y = mPos.y;
+    hitbox->pos.z = mPos.z;
+    hitbox->pos.y += mHitbox.pos.y;
+
+    Vec3p_Rotate(&mHitbox.pos, mAngle, &hitbox->pos);
+}
+
+void Actor::GetUnk_08c(Cylinder *param1) {
+    param1->size = mUnk_08c.size;
+    u16 angle = mAngle;
+    param1->pos.x = mPos.x;
+    param1->pos.y = mPos.y;
+    param1->pos.z = mPos.z;
+    param1->pos.y += mUnk_08c.pos.y;
+
+    Vec3p_Rotate(&mUnk_08c.pos, mAngle, &param1->pos);
+}
+
+void Actor::IncreaseActiveFrames() {
+    mActiveFrames += 1;
+    if (mActiveFrames < 0) mActiveFrames = 0;
 }
 
-void Actor::StopLinkFollow() {}
-bool Actor::IsGrabbed() {}
-s32 Actor::XzDistanceTo(Vec3p *vec) {}
-s32 Actor::DistanceToLink() {}
-s32 Actor::XzDistanceToLink() {}
-s32 Actor::GetAngleTo(Vec3p *vec) {}
-s32 Actor::GetAngleToLink() {}
-void Actor::func_ov00_020c2988(Vec3p *param1, s32 param2, Vec3p *param3) {}
-void Actor::ResetWallTouch() {}
-bool Actor::func_ov00_020c29ec(s32 param1) {}
-void Actor::GetHitbox(Cylinder *param1) {}
-void Actor::GetUnk_08c(Cylinder *param1) {}
-void Actor::IncreaseActiveFrames() {}
 bool Actor::func_ov00_020c2c0c() {}
-bool Actor::func_ov00_020c2c70() {}
+
+bool Actor::func_ov00_020c2c70() {
+    Vec3p vel;
+    Actor *boomerang = this->GetEquipBoomerang()->GetActor();
+    if (boomerang) {
+        Vec3p_Sub(&boomerang->mPos, &mPos, &vel);
+        if (Vec3p_Length(&vel) > FLOAT_TO_Q20(1.0)) {
+            func_0202d95c(&vel, FLOAT_TO_Q20(1.0));
+        }
+    } else {
+        PlayerCharacter character = gPlayerLink->GetCurrentCharacter();
+        if (character == PlayerCharacter_Gongoron) {
+            Vec3p pos;
+            this->GetLinkPos(&pos);
+            Vec3p_Sub(&pos, &mPos, &vel);
+        } else {
+            Vec3p_Sub(&gPlayerPos, &mPos, &vel);
+        }
+    }
+    Vec3p_Add(&mPos, &vel, &mPos);
+    mVel = vel;
+    return boomerang != NULL;
+}
+
 EquipBoomerang* Actor::GetEquipBoomerang() {}
 bool Actor::func_ov00_020c2d54() {}
 bool Actor::func_ov00_020c2de4() {}