From 8d6d73108bd55be0aad9f1c1c1b8c286ecce9d2f Mon Sep 17 00:00:00 2001
From: Ozero4 <axeltraquin4@gmail.com>
Date: Mon, 24 Feb 2025 20:22:07 +0100
Subject: [PATCH] Partial decompilation of TouchControl

---
 include/Player/TouchControl.hpp     |  6 ++++-
 src/00_Core/Player/TouchControl.cpp | 34 ++++++++++++++++++++++++++---
 2 files changed, 36 insertions(+), 4 deletions(-)

diff --git a/include/Player/TouchControl.hpp b/include/Player/TouchControl.hpp
index 1301e144..8970c032 100644
--- a/include/Player/TouchControl.hpp
+++ b/include/Player/TouchControl.hpp
@@ -5,6 +5,8 @@
 #include "nds/math.h"
 #include "types.h"
 
+extern u16 *data_0207aecc;
+
 typedef u16 TouchFlags;
 enum TouchFlag_ {
     TouchFlag_TouchedNow   = 0x0001,
@@ -42,9 +44,11 @@ public:
     void Update(TouchState *state, u16 speed);
     bool func_ov00_0207aeac();
     void UpdateConditionally(TouchState *state, u16 speed);
-    void func_ov00_0207af38(u16 speed, bool param2);
+    void func_ov00_0207af38(u16 speedIncrease, bool shouldIncrease);
     ~TouchControl();
 
     static bool func_0202b864(Vec3p *param1, s32 size, unk8 param3);
     static bool func_0202b894(Vec3p *param1, s32 size, unk8 param3);
 };
+
+void Fill16(int value, unsigned short *dst, int size); // TODO: Replace with header file
diff --git a/src/00_Core/Player/TouchControl.cpp b/src/00_Core/Player/TouchControl.cpp
index 5cae75a5..9630de1a 100644
--- a/src/00_Core/Player/TouchControl.cpp
+++ b/src/00_Core/Player/TouchControl.cpp
@@ -1,11 +1,39 @@
 #include "Player/TouchControl.hpp"
 
 TouchControl::TouchControl() {}
-void TouchControl::IncreaseSpeed(s16 increase) {}
+
+void TouchControl::IncreaseSpeed(s16 increase) {
+    this->mFlags = 0;
+    this->mSpeed += increase;
+}
+
 void TouchControl::UpdateFlags(u16 speed) {}
 void TouchControl::UpdateWithStateFlags(TouchStateFlags *state, u16 speed) {}
 void TouchControl::Update(TouchState *state, u16 speed) {}
-bool TouchControl::func_ov00_0207aeac() {}
+bool TouchControl::func_ov00_0207aeac() {
+    return ((*data_0207aecc & 0x8000) >> 15) == 1;
+}
 void TouchControl::UpdateConditionally(TouchState *state, u16 speed) {}
-void TouchControl::func_ov00_0207af38(u16 speed, bool param2) {}
+
+void TouchControl::func_ov00_0207af38(u16 speedIncrease, bool shouldIncrease) {
+    TouchStateFlags touchState;
+
+    if (shouldIncrease) {
+        IncreaseSpeed(speedIncrease); /* TODO: IncreaseSpeed expects an s16 variable,
+                                         while speedIncrease is a u16. As a result, the function
+                                         performs a conversion that is not present in the binary. */
+        return;
+    }
+
+    u32 result = TouchControl::func_ov00_0207aeac();
+    if (result != 0) {
+        Fill16(0, &touchState.touchX, 8);
+    } else {
+
+        GetTouchStateFlags(&touchState);
+    }
+
+    UpdateWithStateFlags(&touchState, speedIncrease);
+}
+
 TouchControl::~TouchControl() {}