From 1d69a23ba48d99b051dcf2a6be225edd7c644c7b Mon Sep 17 00:00:00 2001 From: NeroBurner Date: Fri, 27 Aug 2021 20:24:24 +0200 Subject: Joystick sensitivity for player movement (#11262) This commit deprecates the forward, backward, left, and right binary inputs currently used for player movement in the PlayerControl struct. In their place, it adds the movement_speed and movement_direction values, which represents the player movement is a polar coordinate system. movement_speed is a scalar from 0.0 to 1.0. movement_direction is an angle from 0 to +-Pi: FWD 0 _ LFT / \ RGT -Pi/2 | | +Pi/2 \_/ +-Pi BCK Boolean movement bits will still be set for server telegrams and Lua script invocations to provide full backward compatibility. When generating these values from an analog input, a direction is considered active when it is 22.5 degrees away from either orthogonal axis. Co-authored-by: Markus Koch Co-authored-by: sfan5 --- src/client/joystick_controller.cpp | 24 +++++++++++++++++++++--- 1 file changed, 21 insertions(+), 3 deletions(-) (limited to 'src/client/joystick_controller.cpp') diff --git a/src/client/joystick_controller.cpp b/src/client/joystick_controller.cpp index 919db5315..630565d8d 100644 --- a/src/client/joystick_controller.cpp +++ b/src/client/joystick_controller.cpp @@ -160,6 +160,7 @@ JoystickController::JoystickController() : for (float &i : m_past_pressed_time) { i = 0; } + m_layout.axes_deadzone = 0; clear(); } @@ -251,10 +252,27 @@ void JoystickController::clear() memset(m_axes_vals, 0, sizeof(m_axes_vals)); } -s16 JoystickController::getAxisWithoutDead(JoystickAxis axis) +float JoystickController::getAxisWithoutDead(JoystickAxis axis) { s16 v = m_axes_vals[axis]; + if (abs(v) < m_layout.axes_deadzone) - return 0; - return v; + return 0.0f; + + v += (v < 0 ? m_layout.axes_deadzone : -m_layout.axes_deadzone); + + return (float)v / ((float)(INT16_MAX - m_layout.axes_deadzone)); +} + +float JoystickController::getMovementDirection() +{ + return atan2(getAxisWithoutDead(JA_SIDEWARD_MOVE), -getAxisWithoutDead(JA_FORWARD_MOVE)); +} + +float JoystickController::getMovementSpeed() +{ + float speed = sqrt(pow(getAxisWithoutDead(JA_FORWARD_MOVE), 2) + pow(getAxisWithoutDead(JA_SIDEWARD_MOVE), 2)); + if (speed > 1.0f) + speed = 1.0f; + return speed; } -- cgit v1.2.3