From a5f402e1a90345bc8214c8f9ebe0e7b0b09df8a4 Mon Sep 17 00:00:00 2001
From: Kuukitenshi <lauracunha803@outlook.pt>
Date: Fri, 27 Sep 2024 19:05:33 +0100
Subject: [PATCH] feat(input): add deadzone to axis

---
 engine/include/cubos/engine/input/axis.hpp | 12 +++++++++-
 engine/src/input/axis.cpp                  | 27 +++++++++++++++++++++-
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/engine/include/cubos/engine/input/axis.hpp b/engine/include/cubos/engine/input/axis.hpp
index 11d60e47e..32d0297e7 100644
--- a/engine/include/cubos/engine/input/axis.hpp
+++ b/engine/include/cubos/engine/input/axis.hpp
@@ -35,10 +35,11 @@ namespace cubos::engine
         /// @param negative Negative input combinations.
         /// @param gamepadAxes Gamepad axis bindings.
         InputAxis(std::vector<InputCombination> positive, std::vector<InputCombination> negative,
-                  std::vector<core::io::GamepadAxis> gamepadAxes)
+                  std::vector<core::io::GamepadAxis> gamepadAxes, float deadzone = 0.0F)
             : mPositive(std::move(positive))
             , mNegative(std::move(negative))
             , mGamepadAxes(std::move(gamepadAxes))
+            , mDeadzone(deadzone)
         {
         }
 
@@ -74,11 +75,20 @@ namespace cubos::engine
         /// @param value New value.
         void value(float value);
 
+        /// @brief Gets the deadzone.
+        /// @return Deadzone.
+        float deadzone() const;
+
+        /// @brief Sets the deadzone.
+        /// @param deadzone New deadzone.
+        void setDeadzone(float deadzone);
+
     private:
         std::vector<InputCombination> mPositive;
         std::vector<InputCombination> mNegative;
         std::vector<core::io::GamepadAxis> mGamepadAxes;
 
         float mValue{0.0F}; ///< Not serialized.
+        float mDeadzone{0.0F};
     };
 } // namespace cubos::engine
diff --git a/engine/src/input/axis.cpp b/engine/src/input/axis.cpp
index de32779c9..a4c2037f4 100644
--- a/engine/src/input/axis.cpp
+++ b/engine/src/input/axis.cpp
@@ -60,7 +60,14 @@ float InputAxis::value() const
 
 void InputAxis::value(float value)
 {
-    mValue = value;
+    if (std::abs(value) < mDeadzone)
+    {
+        mValue = 0.0F;
+    }
+    else
+    {
+        mValue = value;
+    }
 
     if (std::abs(mValue) > 1.0F)
     {
@@ -68,3 +75,21 @@ void InputAxis::value(float value)
         mValue = mValue > 1.0F ? 1.0F : -1.0F;
     }
 }
+
+float InputAxis::deadzone() const
+{
+    return mDeadzone;
+}
+
+void InputAxis::setDeadzone(float deadzone)
+{
+    if (deadzone < 0.0F || deadzone > 1.0F)
+    {
+        CUBOS_WARN("Invalid deadzone value: {}. Value must be between 0.0 and 1.0.", deadzone);
+        mDeadzone = deadzone > 1.0F ? 1.0F : 0.0F;
+    }
+    else
+    {
+        mDeadzone = deadzone;
+    }
+}