migrate ALMOST everything from source tree into client

source/client/player/input/ControllerTurnInput.cpp

@@ -0,0 +1,122 @@
+/********************************************************************
+	Minecraft: Pocket Edition - Decompilation Project
+	Copyright (C) 2023 iProgramInCpp
+	
+	The following code is licensed under the BSD 1 clause license.
+	SPDX-License-Identifier: BSD-1-Clause
+ ********************************************************************/
+
+#include "ControllerTurnInput.hpp"
+#include "Controller.hpp"
+
+ITurnInput::Delta ControllerTurnInput::getTurnDelta()
+{
+	bool isTouched = Controller::isTouched(m_stickNo);
+	float deltaX, deltaY;
+
+	if (field_8 == 1)
+	{
+		float deltaTime = getDeltaTime(), dx, dy;
+		if (isTouched)
+		{
+			dx = Controller::getX(m_stickNo);
+			dy = Controller::getY(m_stickNo);
+		}
+		else
+		{
+			dx = field_10 * 0.7f;
+			dy = field_14 * 0.7f;
+		}
+
+		field_10 = dx;
+		field_14 = dy;
+
+		float xs = dx >= 0.0f ? 0.1f : -0.1f, xt;
+
+		if (fabsf(dx) <= 0.1f)
+		{
+			xt = 0.0f;
+		}
+		else
+		{
+			xs = dx - xs;
+			xt = 250.0f;
+			xt = xs * xt;
+		}
+
+		float ys = dy >= 0.0f ? 0.1f : -0.1f, yt;
+
+		if (fabsf(dy) <= 0.1f)
+		{
+			yt = 0.0f;
+		}
+		else
+		{
+			ys = dy - ys;
+			yt = 200.0f;
+			yt = ys * yt;
+		}
+
+		deltaX = deltaTime * xt;
+		deltaY = deltaTime * -yt;
+	}
+	else if (field_8 != 2 || !field_18 && !isTouched)
+	{
+		deltaX = 0.0f;
+		deltaY = -0.0f;
+	}
+	else
+	{
+		float sx = Controller::getX(m_stickNo);
+		float sy = Controller::getY(m_stickNo);
+
+		getDeltaTime(); //@NOTE: call isn't useless since it updates m_prevTime
+
+		if (!field_18)
+		{
+			field_10 = sx;
+			field_14 = sy;
+		}
+
+		if (isTouched)
+		{
+			float x1 = sx - field_10;
+			float x2 = 0.0f;
+			float x3;
+			field_10 = sx;
+
+			// @HUH: what the hell, decompiler?
+			if (x1 >= 0.0f)
+				x3 = 0.0f;
+			else
+				x3 = -0.0f;
+
+			float x4 = sy - field_14;
+			field_14 = sy;
+
+			if (fabsf(x1) > 0.0f)
+				x2 = x1 - x3;
+
+			float ndy = 0.0f, x5;
+			if (x4 >= 0.0f)
+				x5 = 0.0f;
+			else
+				x5 = -0.0f;
+
+			float x6 = 0.0f;
+			if (fabsf(x4) > 0.0f)
+				x6 = x4 - x5;
+
+			deltaX = x2 * 100.0f;
+			deltaY = -x6 * 100.0f;
+		}
+		else
+		{
+			deltaX = 0.0f;
+			deltaY = -0.0f;
+		}
+	}
+
+	field_18 = isTouched;
+	return Delta(deltaX, deltaY);
+}