the whole game

src/client/player/input/ControllerTurnInput.h

@@ -0,0 +1,69 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT_ControllerTurnInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT_ControllerTurnInput_H__
+
+#include "ITurnInput.h"
+#include "../../../platform/input/Controller.h"
+
+/** A Controller Turn input */
+class ControllerTurnInput : public ITurnInput {
+public:
+	static const int MODE_OFFSET = 1;
+	static const int MODE_DELTA  = 2;
+
+	ControllerTurnInput(int controllerId, int mode_)
+	:	cid(controllerId),
+		mode(mode_),
+		cxO(0), cyO(0),
+		wasActive(false)
+	{}
+
+	bool isTouched() { return Controller::isTouched(cid); }
+
+	TurnDelta getTurnDelta() {
+		float dx = 0, dy = 0;
+		bool isActive = Controller::isTouched(cid);
+
+		if (MODE_OFFSET == mode) {
+			float dt = getDeltaTime();
+			const float MaxTurnX = 250.0f;
+			const float MaxTurnY = 200.0f;
+			float cx = isActive? Controller::getX(cid) : cxO * 0.7f;
+			float cy = isActive? Controller::getY(cid) : cyO * 0.7f;
+			dx = linearTransform( cx, 0.1f, MaxTurnX ) * dt;
+			dy = linearTransform( cy, 0.1f, MaxTurnY ) * dt;
+			cxO = cx;
+			cyO = cy;
+		} else
+			if (MODE_DELTA == mode && (wasActive || isActive)) {
+				float cx = Controller::getX(cid);
+				float cy = Controller::getY(cid);
+
+//				const float dt = getDeltaTime();
+				const float MaxTurnX = 100.0f;
+				const float MaxTurnY = 100.0f;
+				const float DeadZone = 0;//0.25f * dt;//0.02f;
+
+				if (!wasActive) {
+					cxO = cx;
+					cyO = cy;
+				}
+				if (isActive) {
+					dx = linearTransform(cx - cxO, DeadZone) * MaxTurnX;
+					dy = linearTransform(cy - cyO, DeadZone) * MaxTurnY;
+					cxO = cx;
+					cyO = cy;
+				}
+			}
+
+			wasActive = isActive;
+			return TurnDelta(dx, -dy);
+	}
+
+	int mode;
+private:
+	int cid;
+	float cxO, cyO;
+	bool wasActive;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT_ControllerTurnInput_H__*/

src/client/player/input/IBuildInput.h

@@ -0,0 +1,45 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT__IBuildInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT__IBuildInput_H__
+
+#include "../../IConfigListener.h"
+class Player;
+
+class BuildActionIntention {
+public:
+	BuildActionIntention()
+	:	action(0)
+	{}
+	BuildActionIntention(int action)
+	:	action(action)
+	{}
+
+	bool isFirstRemove() { return (action & BAI_FIRSTREMOVE) != 0; }
+	bool isRemoveContinue() { return (action & BAI_REMOVE) != 0; }
+
+	bool isBuild() { return (action & BAI_BUILD) != 0; }
+	bool isRemove() { return isFirstRemove() || isRemoveContinue(); }
+
+	bool isAttack() { return (action & BAI_ATTACK) != 0; }
+	bool isInteract() { return (action & BAI_INTERACT) != 0; }
+
+	int action;
+
+	static const int BAI_BUILD = 1;
+	static const int BAI_REMOVE = 2;
+	static const int BAI_FIRSTREMOVE = 4;
+
+	static const int BAI_ATTACK = 8;
+	static const int BAI_INTERACT = 16;
+};
+
+
+class IBuildInput: public IConfigListener {
+public:
+	virtual ~IBuildInput(){}
+
+	virtual void onConfigChanged(const Config& c) {}
+	// @return true if user wants to do an action, false if not
+	virtual bool tickBuild(Player*, BuildActionIntention* bai) { return false; }
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT__IBuildInput_H__*/

src/client/player/input/IInputHolder.h

@@ -0,0 +1,75 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER__IInputHolder_H__
+#define NET_MINECRAFT_CLIENT_PLAYER__IInputHolder_H__
+
+#include "IMoveInput.h"
+#include "ITurnInput.h"
+#include "IBuildInput.h"
+
+#include "../../../platform/input/Mouse.h"
+
+class Player;
+
+class IInputHolder: public IConfigListener
+{
+public:
+	IInputHolder()
+	:	mousex(0),
+		mousey(0),
+		alpha(0)
+	{}
+
+	virtual ~IInputHolder() {}
+
+	virtual void render(float alpha) {}
+
+	virtual bool allowPicking() { 
+		mousex = Mouse::getX();
+		mousey = Mouse::getY();
+		return Mouse::getButtonState(MouseAction::ACTION_LEFT) == MouseAction::DATA_DOWN;
+	}
+
+	void onConfigChanged(const Config& c) {
+		getMoveInput()->onConfigChanged(c);
+		getTurnInput()->onConfigChanged(c);
+		getBuildInput()->onConfigChanged(c);
+	}
+
+	virtual IMoveInput*		getMoveInput() = 0;
+	virtual ITurnInput*		getTurnInput() = 0;
+	virtual IBuildInput*	getBuildInput() = 0;
+
+	float mousex, mousey;
+	float alpha;
+};
+
+
+class CustomInputHolder: public IInputHolder
+{
+public:
+	CustomInputHolder(IMoveInput* move, ITurnInput* turn, IBuildInput* build)
+	{
+		setInputs(move, turn, build);
+	}
+
+	~CustomInputHolder() {
+		delete _move;
+		delete _turn;
+		delete _build;
+	}
+	void setInputs(IMoveInput* move, ITurnInput* turn, IBuildInput* build) {
+		_move = move;
+		_turn = turn;
+		_build = build;
+	}
+
+	virtual IMoveInput*		getMoveInput()	{ return _move; }
+	virtual ITurnInput*		getTurnInput()	{ return _turn; }
+	virtual IBuildInput*	getBuildInput() { return _build; }
+
+private:
+	IMoveInput*		_move;
+	ITurnInput*		_turn;
+	IBuildInput*	_build;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER__IInputHolder_H__*/

src/client/player/input/IMoveInput.h

@@ -0,0 +1,47 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER__IMoveInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER__IMoveInput_H__
+
+//package net.minecraft.client.player;
+
+#include "../../IConfigListener.h"
+class Player;
+class Minecraft;
+
+class IMoveInput
+{
+protected:
+	IMoveInput()
+	:	xa(0),
+		ya(0),
+		wasJumping(false),
+		jumping(false),
+		sneaking(false),
+		wantUp(false),
+		wantDown(false),
+		isChangingFlightHeight(false)
+	{}
+public:
+	virtual ~IMoveInput() {}
+
+    virtual void tick(Player* player) {}
+	virtual void render(float a) {}
+	
+	virtual void setKey(int eventKey, bool eventKeyState) {}
+    virtual void releaseAllKeys() {}
+
+	virtual void onConfigChanged(const Config& c) {}
+
+public:
+	float xa;
+	float ya;
+
+	bool wasJumping;
+	bool jumping;
+	bool sneaking;
+
+	bool wantUp;
+	bool wantDown;
+	bool isChangingFlightHeight;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER__IMoveInput_H__*/

src/client/player/input/ITurnInput.h

@@ -0,0 +1,52 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER__ITurnInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER__ITurnInput_H__
+
+#include "../../../platform/time.h"
+#include "../../IConfigListener.h"
+#include <cmath>
+
+/** Representing a Turn delta value */
+class TurnDelta {
+public:
+	TurnDelta(float dx, float dy)
+	:	x(dx),
+		y(dy)
+	{}
+
+	float x, y;
+};
+
+/** Base class for classes providing TurnDeltas */
+class ITurnInput: public IConfigListener {
+public:
+	virtual ~ITurnInput() {}
+	virtual void onConfigChanged(const Config& c) {}
+
+	virtual TurnDelta getTurnDelta() = 0;
+protected:
+	ITurnInput()
+	:	_lastTime(-1.0f)
+	{}
+
+	float getDeltaTime(){
+		if (_lastTime == -1.0f) {
+			_lastTime = getTimeS();
+		}
+		float now = getTimeS();
+		float dt =  now - _lastTime;
+		_lastTime = now;
+		return dt;
+	}
+
+	static float linearTransform(float value, float deadZone, float scale=1.0f, bool limit1=false) {
+		float deadSigned = value >= 0? deadZone : -deadZone;
+		if (std::abs(deadSigned) >= std::abs(value)) return 0;
+		float ret = (value - deadSigned) * scale;
+		if (limit1 && std::abs(ret) > 1) ret /= std::abs(ret);
+		return ret;
+	}
+private:
+	float _lastTime;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER__ITurnInput_H__*/

src/client/player/input/KeyboardInput.cpp

@@ -0,0 +1,65 @@
+#include "KeyboardInput.h"
+#include "../../Options.h"
+#include "../../../world/entity/player/Player.h"
+
+KeyboardInput::KeyboardInput( Options* options )
+{
+	for (int i = 0; i < NumKeys; ++i)
+		keys[i] = false;
+	this->options = options;
+}
+
+void KeyboardInput::setKey( int key, bool state )
+{
+	int id = -1;
+	if (key == options->keyUp.key) id = KEY_UP;
+	if (key == options->keyDown.key) id = KEY_DOWN;
+	if (key == options->keyLeft.key) id = KEY_LEFT;
+	if (key == options->keyRight.key) id = KEY_RIGHT;
+	if (key == options->keyJump.key) id = KEY_JUMP;
+	if (key == options->keySneak.key) id = KEY_SNEAK;
+	if (key == options->keyCraft.key) id = KEY_CRAFT;
+	//printf("key: %d\n", id);
+	if (id >= 0) {
+		keys[id] = state;
+	}
+}
+
+void KeyboardInput::releaseAllKeys()
+{
+	xa = 0;
+	ya = 0;
+
+	for (int i = 0; i < NumKeys; i++) {
+		keys[i] = false;
+	}
+	wantUp = wantDown = false;
+}
+
+void KeyboardInput::tick( Player* player )
+{
+	xa = 0;
+	ya = 0;
+
+	if (keys[KEY_UP]) ya++;
+	if (keys[KEY_DOWN]) ya--;
+	if (keys[KEY_LEFT]) xa++;
+	if (keys[KEY_RIGHT]) xa--;
+	jumping = keys[KEY_JUMP];
+	sneaking = keys[KEY_SNEAK];
+	if (sneaking) {
+		xa *= 0.3f;
+		ya *= 0.3f;
+	}
+
+	#if defined(RPI) || defined(PLATFORM_GLFW)
+		wantUp = jumping;
+		wantDown = sneaking;
+	#endif
+
+	if (keys[KEY_CRAFT])
+		player->startCrafting((int)player->x, (int)player->y, (int)player->z, Recipe::SIZE_2X2);
+
+	//printf("\n>- %f %f\n", xa, ya);
+}
+

src/client/player/input/KeyboardInput.h

@@ -0,0 +1,36 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER__KeyboardInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER__KeyboardInput_H__
+
+//package net.minecraft.client.player;
+
+#include "IMoveInput.h"
+
+class Options;
+class Player;
+
+// @todo: extract a separate MoveInput (-> merge XperiaPlayInput)
+class KeyboardInput: public IMoveInput
+{
+	static const int NumKeys = 10;
+public:
+    static const int KEY_UP = 0;
+    static const int KEY_DOWN = 1;
+    static const int KEY_LEFT = 2;
+    static const int KEY_RIGHT = 3;
+    static const int KEY_JUMP = 4;
+    static const int KEY_SNEAK = 5;
+	static const int KEY_CRAFT = 6;
+
+    KeyboardInput(Options* options);
+
+	void tick(Player* player);
+
+	void setKey(int key, bool state);
+    void releaseAllKeys();
+
+protected:
+	bool keys[NumKeys];
+	Options* options;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER__KeyboardInput_H__*/

src/client/player/input/MouseBuildInput.h

@@ -0,0 +1,36 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseBuildInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseBuildInput_H__
+
+#include "IBuildInput.h"
+#include "../../../platform/input/Mouse.h"
+
+/** A Mouse Build input */
+class MouseBuildInput : public IBuildInput {
+public:
+	MouseBuildInput()
+	:	buildDelayTicks(10),
+		buildHoldTicks(0)
+	{}
+
+	virtual bool tickBuild(Player* p, BuildActionIntention* bai) {
+		if (Mouse::getButtonState(MouseAction::ACTION_LEFT) != 0) {
+			*bai = BuildActionIntention(BuildActionIntention::BAI_REMOVE | BuildActionIntention::BAI_ATTACK);
+			return true;
+		}
+		if (Mouse::getButtonState(MouseAction::ACTION_RIGHT) != 0) {
+			if (buildHoldTicks >= buildDelayTicks) buildHoldTicks = 0;
+			if (++buildHoldTicks == 1) {
+				*bai = BuildActionIntention(BuildActionIntention::BAI_BUILD | BuildActionIntention::BAI_INTERACT);
+				return true;
+			}
+		} else {
+			buildHoldTicks = 0;
+		}
+		return false;
+	}
+private:
+	int buildHoldTicks;
+	int buildDelayTicks;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseBuildInput_H__*/

src/client/player/input/MouseTurnInput.h

@@ -0,0 +1,43 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseTurnInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseTurnInput_H__
+
+#include "ITurnInput.h"
+#include "../../../platform/input/Mouse.h"
+
+/** A Mouse Turn input */
+class MouseTurnInput : public ITurnInput {
+public:
+	static const int MODE_OFFSET = 1;
+	static const int MODE_DELTA  = 2;
+
+	MouseTurnInput(int mode_, int centerX, int centerY)
+	:	mode(mode_),
+		_centerX((float)centerX),
+		_centerY((float)centerY)
+	{}
+
+	void onConfigChanged(const Config& config) {
+		_centerX = ((float) config.width ) * 0.5f;
+		_centerY = ((float) config.height) * 0.5f;
+	}
+
+	TurnDelta getTurnDelta() {
+		float dx = 0, dy = 0;
+		if ( MODE_DELTA == mode ) {
+			dx = (float)Mouse::getDX();
+			dy = (float)Mouse::getDY();
+		} else if (MODE_OFFSET == mode) {
+			float dt = getDeltaTime();
+			dx = linearTransform( (float)Mouse::getX() - _centerX, 40, 0.4f ) * dt;
+			dy = linearTransform( (float)Mouse::getY() - _centerY, 30, 0.6f ) * dt;
+		}
+		return TurnDelta(dx, dy);
+	}
+
+	int mode;
+private:
+	float _centerX;
+	float _centerY;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT_MouseTurnInput_H__*/

src/client/player/input/XperiaPlayInput.h

@@ -0,0 +1,49 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER__XperiaPlayInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER__XperiaPlayInput_H__
+
+//package net.minecraft.client.player;
+
+#include "KeyboardInput.h"
+
+// @note: This is just copy-pasted from KeyboardInput right now.
+class XperiaPlayInput: public KeyboardInput
+{
+	typedef KeyboardInput super;
+public:
+	XperiaPlayInput(Options* options)
+	:	super(options),
+		wasSneakTouched(false)
+	{}
+
+	void tick(Player* player) {
+		bool _sneaking = sneaking;
+		super::tick(player);
+		sneaking = _sneaking;
+		
+		wantUp   = (jumping && keys[KEY_UP]);
+		wantDown = (jumping && keys[KEY_DOWN]);
+		if ((wantUp | wantDown) && (player && player->abilities.flying)) ya = 0;
+
+		bool isSneakTouched = Controller::isTouched(1);
+		if (isSneakTouched && !wasSneakTouched) {
+			sneaking = !sneaking;
+		}
+		wasSneakTouched = isSneakTouched;
+
+		if (sneaking) {
+			xa *= 0.3f;
+			ya *= 0.3f;
+		}
+	}
+
+	/*
+	if (Controller::isTouched(moveStick)) {
+		xa = -Controller::getTransformedX(moveStick, 0.1f, 1.25f, true);
+		ya = +Controller::getTransformedY(moveStick, 0.1f, 1.25f, true);
+	}
+	*/
+private:
+	bool wasSneakTouched;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER__XperiaPlayInput_H__*/

src/client/player/input/touchscreen/ITouchScreenModel.h

@@ -0,0 +1,14 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER__ITouchScreenModel_H__
+#define NET_MINECRAFT_CLIENT_PLAYER__ITouchScreenModel_H__
+
+#include "../../../../platform/input/Mouse.h"
+
+class ITouchScreenModel
+{
+public:
+	virtual ~ITouchScreenModel() {}
+	virtual int getPointerId(const MouseAction& m) { return m.pointerId; }
+	virtual int getPointerId(int x, int y, int pid) { return pid; }
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER__ITouchScreenModel_H__*/

src/client/player/input/touchscreen/TouchAreaModel.h

@@ -0,0 +1,339 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER__TouchAreaModel_H__
+#define NET_MINECRAFT_CLIENT_PLAYER__TouchAreaModel_H__
+
+#include "ITouchScreenModel.h"
+#include <vector>
+#include "../../../../platform/time.h"
+
+/// Interface for an area that can be point tested
+class IArea{
+public:
+	IArea()
+	:	deleteMe(true)
+	{}
+
+	virtual ~IArea() {};
+	virtual bool isInside(float x, float y) = 0;
+	//virtual void expandRectToInclude(float& l, float& t, float& r, float& b) {}
+
+	bool deleteMe;
+};
+
+/// Holder for multiple <IArea, int areaId> pairs
+class TouchAreaModel: public ITouchScreenModel
+{
+public:
+	TouchAreaModel() {}
+
+	~TouchAreaModel() {
+		clear();
+	}
+
+	void clear() {
+		for (unsigned int i = 0; i < _areas.size(); ++i) {
+			Area* a = _areas[i];
+			if (a->area && a->area->deleteMe)
+				delete a->area;
+			delete a;
+		}
+		_areas.clear();
+	}
+
+	int getPointerId(const MouseAction& m) {
+		return getPointerId(m.x, m.y, m.pointerId);
+	}
+	
+	int getPointerId(int x, int y, int pid) {
+		//static Stopwatch w;
+		//w.printEvery(200, "IArea");
+		//w.start();
+		float fx = (float)x, fy = (float) y;
+		for (unsigned int i = 0; i < _areas.size(); ++i) {
+			const Area* a = _areas[i];
+			if (a->area->isInside(fx, fy)) {
+				//w.stop();
+				return a->areaId;
+			}
+		}
+		//w.stop();
+		return pid;
+	}
+
+	void addArea(int areaId, IArea* area) {
+		Area* a = new Area();
+		a->area = area;
+		a->areaId = areaId;
+
+		_areas.push_back( a );
+	}
+
+private:
+	struct Area {
+		IArea* area;
+		int areaId;
+	};
+	
+	std::vector<Area*> _areas;
+};
+
+/// Area represented by a polygon
+class PolygonArea: public IArea
+{
+public:
+	PolygonArea(int numPoints, const float* xp, const float* yp)
+	:	_numPoints(numPoints)
+	{
+		_x = new float[numPoints];
+		_y = new float[numPoints];
+
+		for (int i = 0; i < numPoints; ++i) {
+			_x[i] = xp[i];
+			_y[i] = yp[i];
+		}
+	}
+
+	~PolygonArea() {
+		delete[] _x;
+		delete[] _y;
+	}
+
+    virtual bool isInside(float x, float y)
+    {
+	  bool c = false;
+      for (int i = 0, j = _numPoints-1; i < _numPoints; j = i++) {
+        if ((((_y[i] <= y) && (y < _y[j])) ||
+             ((_y[j] <= y) && (y < _y[i]))) &&
+            (x < (_x[j] - _x[i]) * (y - _y[i]) / (_y[j] - _y[i]) + _x[i]))
+          c = !c;
+      }
+      return c == 1;
+    }
+
+//private:
+	float* _x;
+	float* _y;
+	int _numPoints;
+};
+
+/// Area represented by a rectangle
+class RectangleArea: public IArea
+{
+public:
+	RectangleArea(float x0, float y0, float x1, float y1)
+	:	_x0(x0),
+		_x1(x1),
+		_y0(y0),
+		_y1(y1)
+	{}
+
+	virtual bool isInside(float x, float y) {
+		return x >= _x0 && x <= _x1
+			&& y >= _y0 && y <= _y1;
+	}
+
+	virtual float centerX()
+	{
+		return _x0 + (_x1 - _x0) * .5f;
+	}
+
+	virtual float centerY()
+	{
+		return _y0 + (_y1 - _y0) * .5f;
+	}
+
+//private:
+	float _x0, _x1;
+	float _y0, _y1;
+};
+
+/// An area represented by a circle
+class CircleArea: public IArea
+{
+public:
+	CircleArea(float x, float y, float r)
+	:	_x(x), _y(y), _rr(r*r)
+	{}
+
+	virtual bool isInside(float x, float y) {
+		const float dx = x - _x;
+		const float dy = y - _y;
+		return (dx*dx + dy*dy) <= _rr;
+	}
+
+private:
+	float _x, _y;
+	float _rr;
+};
+
+/// Inside any area in include list but none of exclude list
+class IncludeExcludeArea: public IArea
+{
+public:
+	IncludeExcludeArea() {}
+
+	~IncludeExcludeArea() {
+		clear();
+	}
+
+	void clear() {
+		if (deleteMe) {
+			for (unsigned int i = 0; i < _includes.size(); ++i) {
+				IArea* area = _includes[i];
+				if (area->deleteMe) delete area;
+			}
+			for (unsigned int i = 0; i < _excludes.size(); ++i) {
+				IArea* area = _excludes[i];
+				if (area->deleteMe) delete area;
+			}
+		}
+		_includes.clear();
+		_excludes.clear();
+	}
+
+	void include(IArea* area) { _includes.push_back(area); }
+	void exclude(IArea* area) { _excludes.push_back(area); }
+
+	virtual bool isInside(float x, float y) {
+		for (unsigned int i = 0; i < _includes.size(); ++i)
+			if (_includes[i]->isInside(x, y)) {
+				bool good = true;
+				//@todo: cache _exclude-test results
+				for (unsigned int j = 0; j < _excludes.size(); ++j)
+					if (_excludes[j]->isInside(x, y)) {
+						good = false;
+						break;
+					}
+				if (good) {
+					return true;
+				}
+			}
+		return false;
+	}
+
+private:
+	std::vector<IArea*> _includes;
+	std::vector<IArea*> _excludes;
+};
+
+
+/// At least one of the areas
+class OrArea: public IArea
+{
+public:
+	OrArea(IArea* a, IArea* b)
+	:	_a(a),
+		_b(b)
+	{}
+
+	~OrArea() {
+		if (deleteMe) {
+			if (_a->deleteMe) delete _a;
+			if (_b->deleteMe) delete _b;
+		}
+	}
+
+	virtual bool isInside(float x, float y) {
+		return _a->isInside(x, y) || _b->isInside(x, y);
+	}
+
+private:
+	IArea* _a;
+	IArea* _b;
+};
+
+/// In both areas
+class AndArea: public IArea
+{
+public:
+	AndArea(IArea* a, IArea* b)
+	:	_a(a),
+		_b(b)
+	{}
+
+	~AndArea() {
+		if (deleteMe) {
+			if (_a->deleteMe) delete _a;
+			if (_b->deleteMe) delete _b;
+		}
+	}
+
+	virtual bool isInside(float x, float y) {
+		return _a->isInside(x, y) && _b->isInside(x, y);
+	}
+
+private:
+	IArea* _a;
+	IArea* _b;
+};
+
+/// Exactly one of the areas
+class XorArea: public IArea
+{
+public:
+	XorArea(IArea* a, IArea* b)
+	:	_a(a),
+		_b(b)
+	{}
+
+	~XorArea() {
+		if (deleteMe) {
+			if (_a->deleteMe) delete _a;
+			if (_b->deleteMe) delete _b;
+		}
+	}
+
+	virtual bool isInside(float x, float y) {
+		return _a->isInside(x, y) ^ _b->isInside(x, y);
+	}
+
+private:
+	IArea* _a;
+	IArea* _b;
+};
+
+/// Everything except this area
+class NotArea: public IArea
+{
+public:
+	NotArea(IArea* a)
+	:	_a(a)
+	{}
+
+	~NotArea() {
+		if (deleteMe && _a->deleteMe) delete _a;
+	}
+
+	virtual bool isInside(float x, float y) {
+		return !_a->isInside(x, y);
+	}
+
+private:
+	IArea* _a;
+};
+
+/// First area, but not second
+/// This is semantically the same as AndArea( a, new NotArea(b) )
+class DifferenceArea: public IArea
+{
+public:
+	DifferenceArea(IArea* a, IArea* b)
+	:	_a(a),
+		_b(b)
+	{}
+
+	~DifferenceArea() {
+		if (deleteMe) {
+			if (_a->deleteMe) delete _a;
+			if (_b->deleteMe) delete _b;
+		}
+	}
+
+	virtual bool isInside(float x, float y) {
+		return _a->isInside(x, y) && !_b->isInside(x, y);
+	}
+private:
+	IArea* _a;
+	IArea* _b;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER__TouchAreaModel_H__*/

src/client/player/input/touchscreen/TouchInputHolder.h

@@ -0,0 +1,473 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchInputHolder_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchInputHolder_H__
+
+#include "../IInputHolder.h"
+#include "TouchscreenInput.h"
+
+#include "../ITurnInput.h"
+#include "TouchAreaModel.h"
+#include "../../../../platform/input/Multitouch.h"
+#include "../../../../platform/time.h"
+#include "../../../../util/SmoothFloat.h"
+
+#include "../../../../world/entity/player/Player.h"
+#include "../../../../world/entity/player/Inventory.h"
+
+template <class T>
+class ModifyNotify {
+public:
+	ModifyNotify()
+	:	_changed(false)
+	{}
+
+	T& getOld() { return _old; }
+	T& getNew() { return _new; }
+
+	bool update(T& val) {
+		_changed = !equals(val);
+		if (_changed) {
+			_old = _new;
+			_new = val;
+		}
+		return _changed;
+	}
+
+	bool hasChanged() const { return _changed; }
+
+	virtual bool equals(const T& newVal) {
+		return _old != newVal;
+	}
+protected:
+	T _old;
+private:
+	T _new;
+	bool _changed;
+};
+
+//
+// Implementation for unified [Turn & Build Input]
+//
+class UnifiedTurnBuild: public GuiComponent,
+						public ITurnInput,
+						public IBuildInput
+{
+public:
+	static const int MODE_OFFSET = 1;
+	static const int MODE_DELTA  = 2;
+
+	UnifiedTurnBuild(int turnMode, int width, int height, float maxMovementDelta, float sensitivity, IInputHolder* holder, Minecraft* minecraft)
+	:	mode(turnMode),
+		_holder(holder),
+		_options(&minecraft->options),
+		cxO(0), cyO(0),
+		wasActive(false),
+		_totalMoveDelta(0),
+		_maxMovement(maxMovementDelta),
+		_lastPlayer(0),
+		screenArea(-1, -1, 0, 0),
+		allowPicking(false),
+		state(State_None),
+		moveArea(-1,-1,0,0),
+		joyTouchArea(-1, -1, 0, 0),
+		inventoryArea(-1,-1, 0, 0),
+		pauseArea(-1, -1, 0, 0),
+		_buildMovement(0),
+		_sentFirstRemove(false),
+		_canDestroy(false),
+		_forceCanUse(false)
+	{
+		_area.deleteMe = false;
+		setSensitivity(sensitivity);
+		//((ITurnInput*)this)->onConfigChanged(createConfig(minecraft));
+		onConfigChanged(createConfig(minecraft));
+
+		_lastBuildDownTime = _startTurnTime = getTimeS();
+	}
+
+	void setSensitivity(float sensitivity) {
+		_sensitivity = sensitivity;
+	}
+
+	virtual void onConfigChanged(const Config& c) {
+		if (false && _options->isJoyTouchArea) {
+			int touchWidth = c.width - (int)inventoryArea._x1;
+			if (touchWidth > (int)c.minecraft->pixelCalc.millimetersToPixels(60))
+				touchWidth = (int)c.minecraft->pixelCalc.millimetersToPixels(60);
+
+			int touchHeight = (int)(c.height * 0.4f);
+			if (touchHeight > (int)c.minecraft->pixelCalc.millimetersToPixels(40))
+				touchHeight = (int)c.minecraft->pixelCalc.millimetersToPixels(40);
+
+			joyTouchArea._x0 = (float)(c.width  - touchWidth);
+			joyTouchArea._y0 = (float)(c.height - touchHeight);
+			joyTouchArea._x1 = (float)c.width;
+			joyTouchArea._y1 = (float)c.height;
+
+			_area.clear();
+			_area.include (&joyTouchArea);
+			_model.clear();
+			_model.addArea(AREA_TURN, &_area);
+		} else {
+			screenArea = RectangleArea(0, 0, (float)c.width, (float)c.height);
+			// Expand the move area a bit
+            const float border = 10;
+			const float widen = (moveArea._x1-moveArea._x0) * 0.05f + border; // ~5% wider
+			moveArea._x0 -= widen;
+			moveArea._x1 += widen;
+			const float heighten = (moveArea._y1-moveArea._y0) * 0.05f + border; // ~5% taller
+			moveArea._y0 -= heighten;
+			moveArea._y1 += heighten;
+            
+            pauseArea._x0 -= border;
+            pauseArea._x1 += border;
+            pauseArea._y0 -= border;
+            pauseArea._y1 += border;
+
+			//LOGI("move: %f, %f, %f, %f\n", moveArea._x0, moveArea._y0, moveArea._x1, moveArea._y1);
+
+			_area.clear();
+			_area.include(&screenArea);
+			_area.exclude(&moveArea);
+			_area.exclude(&inventoryArea);
+#ifdef __APPLE__
+            _area.exclude(&pauseArea);
+#endif /*__APPLE__*/
+			//LOGI("Movearea: %f %f %f% f\n", moveArea._x0, moveArea._x1, moveArea._y0, moveArea._y1);
+
+			_model.clear();
+			_model.addArea(AREA_TURN, &_area);
+		}
+	}
+
+	float calcNewAlpha(float current, float wanted) {
+		if (wanted > current)
+			return Mth::clamp(current + 0.02f, 0.0f, wanted);
+		if (wanted < current)
+			return Mth::clamp(current - 0.04f, wanted, 1.0f);
+		return current;
+	}
+
+	//
+	// Implementation for the ITurnInput part
+	//
+	TurnDelta getTurnDelta() {
+		float dx = 0, dy = 0;
+		const float now = getTimeS();
+
+		float cx = 0;
+		float cy = 0;
+		bool isActive = false;
+
+		const int* pointerIds;
+		bool wasFirstMovement = false;
+		int pointerCount = Multitouch::getActivePointerIds(&pointerIds);
+		for (int i = 0; i < pointerCount; ++i) {
+			int p = pointerIds[i];
+			int x = Multitouch::getX(p);
+			int y = Multitouch::getY(p);
+			int areaId = _model.getPointerId(x, y, p);
+
+			if (areaId == AREA_TURN) {
+				isActive = true;
+				cx = (float)x * 0.5f;
+				cy = (float)y * -0.5f;
+				wasFirstMovement = Multitouch::wasFirstMovement(p);
+				break;
+			}
+		}
+		if (isActive && !wasActive) {
+			_startTurnTime = now;
+			_totalMoveDelta = 0;
+			bool isInMovement = _lastPlayer? getSpeedSquared(_lastPlayer) > 0.01f/*.25f*/ : false;
+			//state = isInMovement? State_Turn : State_Deciding;
+			state = State_Deciding;
+			_canDestroy = !isInMovement;
+			_forceCanUse = false;
+			if (!_canDestroy && (_lastPlayer && _lastPlayer->canUseCarriedItemWhileMoving())) {
+				_forceCanUse = true;
+				_canDestroy = true;
+			}
+			_sentFirstRemove = false;
+		} else if (wasActive && !isActive) {
+			_sentFirstRemove = false;
+			state = State_None;
+			//_inBuild = false;
+		}
+
+		if (MODE_DELTA == mode && (wasActive || isActive)) {
+//			const float dt = getDeltaTime();
+//			const float MaxTurnX = 100.0f;
+//			const float MaxTurnY = 100.0f;
+			const float DeadZone = 0;//0.25f * dt;//0.02f;
+
+			if (!wasActive) {
+				cxO = cx;
+				cyO = cy;
+			}
+			if (isActive) {
+				dx = _sensitivity * linearTransform(cx - cxO, DeadZone);// * MaxTurnX;
+				dy = _sensitivity * linearTransform(cy - cyO, DeadZone);// * MaxTurnY;
+				
+				float moveDelta = ( Mth::abs(dx) + Mth::abs(dy) );
+				//LOGI("moveDelta is : %f\n", moveDelta);
+
+				if (moveDelta > _maxMovement) {
+					dx = 0;
+					dy = 0;
+					moveDelta = 0;
+				}
+				_totalMoveDelta += moveDelta;
+
+				if (state == State_Deciding && _totalMoveDelta >= MaxBuildMovement/* && !_forceCanUse*/)
+					state = State_Turn;
+
+				// If a certain time has passed since we pressed button; check if
+				// we've moved enough to prevent removal state to become activated
+				const float since = now - _startTurnTime;
+				if (state == State_Deciding && (since >= (0.001f*RemovalMilliseconds))) {
+					//LOGI("DECIDED!: %f\n", _totalMoveDelta);
+					bool isInMovement = _lastPlayer? getSpeedSquared(_lastPlayer) > 0.01f/*.25f*/ : false;
+					if (!_forceCanUse && (_totalMoveDelta > 20.0f || isInMovement)) {
+						state = State_Turn;
+					} else {
+						state = State_Destroy;
+						_canDestroy = true;
+					}
+				}
+
+				// Removing the pointer ketchup-effect that's built into some devices
+				if (wasFirstMovement) {
+					dx = dy = 0;
+				}
+
+				cxO = cx;
+				cyO = cy;
+                //LOGI("move delta: %f (%f, %f), %d\n", moveDelta, dx, dy, state);
+			}
+		} else {
+            // Wasn't active, and isn't active!
+            state = State_None;
+        }
+
+		updateFeedbackProgressAlpha(now);
+
+		wasActive = isActive;
+		return TurnDelta(dx, -dy);
+	}
+
+	void updateFeedbackProgressAlpha(float now) {
+		const float MinAlphaValue = -0.05f;
+		if (_canDestroy) {
+			// Hack to test out fading in feedback circle
+			const float since = now - _startTurnTime;
+			if (state == State_Deciding) {
+				const float wantedAlpha = since / (0.001f*RemovalMilliseconds);
+				_holder->alpha = wantedAlpha * wantedAlpha;
+			} else {
+				if (state == State_Destroy) {
+					_holder->alpha = calcNewAlpha(_holder->alpha, 1);
+				} else if (state == State_Turn || state == State_None) {
+					_holder->alpha = calcNewAlpha(_holder->alpha, 0);
+				}
+
+			}
+		} else {
+			_holder->alpha = MinAlphaValue;
+		}
+		//LOGI("state: %d, canDestroy: %d %d\n", state, _canDestroy, _forceCanUse);
+		//LOGI("alpha: %f\n", _holder->alpha);
+	}
+
+	bool isInsideArea(float x, float y) {
+		return _area.isInside(x, y);
+	}
+
+	int mode;
+
+	static float getSpeedSquared(Entity* m) {
+		const float xd = m->x - m->xo;
+		const float yd = m->y - m->yo;
+		const float zd = m->z - m->zo;
+		const float speedSquared = xd*xd + yd*yd + zd*zd;
+		return speedSquared;
+	}
+
+	void render(float alpha) {
+		if (_options->isJoyTouchArea) {
+			fill(	(int) (Gui::InvGuiScale * joyTouchArea._x0),
+					(int) (Gui::InvGuiScale * joyTouchArea._y0),
+					(int) (Gui::InvGuiScale * joyTouchArea._x1),
+					(int) (Gui::InvGuiScale * joyTouchArea._y1), 0x40000000);//0x20ffffff);
+		}
+	}
+
+	//
+	// Implementation for the IBuildInput part
+	//
+	virtual bool tickBuild(Player* player, BuildActionIntention* bai) {
+		_lastPlayer = player;
+
+		if (state == State_Destroy) {
+			if (!_sentFirstRemove) {
+				*bai = BuildActionIntention((_forceCanUse?0:BuildActionIntention::BAI_FIRSTREMOVE) | BuildActionIntention::BAI_INTERACT);
+				_sentFirstRemove = true;
+			} else {
+				*bai = BuildActionIntention((_forceCanUse?0:BuildActionIntention::BAI_REMOVE) | BuildActionIntention::BAI_INTERACT);
+			}
+			return true;
+		}
+
+		// Rewind the queue, in case someone has used it up before
+		Multitouch::rewind();
+		const float now = getTimeS();
+		allowPicking = false;
+		bool handled = false;
+
+		while (Multitouch::next()) {
+			MouseAction& m = Multitouch::getEvent();
+			if (m.action == MouseAction::ACTION_MOVE) continue;
+
+			int areaId = _model.getPointerId(m.x, m.y, m.pointerId);
+			if (areaId != AREA_TURN) continue;
+
+			allowPicking = true;
+			//LOGI("down? %d, up? %d (%d, %d)\n", z && (m.data == MouseAction::DATA_DOWN), z && (m.data == MouseAction::DATA_UP), m.x, m.y); 
+
+			if (_totalMoveDelta <= MaxBuildMovement && (m.data == MouseAction::DATA_UP && !handled)) {
+				const float since = now - _lastBuildDownTime;
+				//LOGI("move: (%d) %.2f - %f\n", state, _totalMoveDelta, since);
+				if (state <= State_Deciding) {
+					if (since >= 0.0f && since < 0.25f) {
+						// We've pressed and released in haste; Let's build!
+						*bai = BuildActionIntention(BuildActionIntention::BAI_BUILD | BuildActionIntention::BAI_ATTACK);
+						handled = true;
+					}
+				}
+				state = State_None;
+			} else if (m.data == MouseAction::DATA_DOWN) {
+				_lastBuildDownTime = now;
+				_buildMovement = 0;
+				state = State_Deciding;
+			}
+		}
+		return handled;
+	}
+
+	bool allowPicking;
+	float alpha;
+	SmoothFloat smoothAlpha;
+	
+	RectangleArea screenArea;
+	RectangleArea moveArea;
+	RectangleArea joyTouchArea;
+	RectangleArea inventoryArea;
+    RectangleArea pauseArea;
+
+private:
+	IInputHolder* _holder;
+
+	// Turn
+	int cid;
+	float cxO, cyO;
+	bool wasActive;
+
+	TouchAreaModel _model;
+	IncludeExcludeArea _area;
+
+	bool _decidedTurnMode;
+
+	float _startTurnTime;
+	float _totalMoveDelta;
+	float _maxMovement;
+	float _sensitivity;
+
+	Player* _lastPlayer;
+
+	// Build
+	float _lastBuildDownTime;
+	float _buildMovement;
+	bool _sentFirstRemove;
+	bool _canDestroy;
+	bool _forceCanUse;
+
+	int state;
+	static const int State_None = 0;
+	static const int State_Deciding = 1;
+	static const int State_Turn = 2;
+	static const int State_Destroy = 3;
+	static const int State_Build = 4; // Will never happen
+
+	static const int MaxBuildMovement = 20;
+	static const int RemovalMilliseconds = 400;
+
+	static const int AREA_TURN = 100;
+	Options* _options;
+};
+
+class Minecraft;
+
+#if defined(_MSC_VER)
+	#pragma warning( disable : 4355 ) // 'this' pointer in initialization list which is perfectly legal
+#endif
+
+class TouchInputHolder: public IInputHolder
+{
+public:
+	TouchInputHolder(Minecraft* mc, Options* options)
+	:	_mc(mc),
+		_move(mc, options),
+		_turnBuild(UnifiedTurnBuild::MODE_DELTA, mc->width, mc->height, (float)MovementLimit, 1, this, mc)
+	{
+		onConfigChanged(createConfig(mc));
+	}
+	~TouchInputHolder() {
+	}
+
+	virtual void onConfigChanged(const Config& c) {
+		_move.onConfigChanged(c);
+		_turnBuild.moveArea = _move.getRectangleArea();
+#ifdef __APPLE__
+		_turnBuild.pauseArea = _move.getPauseRectangleArea();
+#endif
+		_turnBuild.inventoryArea = _mc->gui.getRectangleArea( _mc->options.isLeftHanded? 1 : -1 );
+		_turnBuild.setSensitivity(c.options->isJoyTouchArea? 1.8f : 1.0f);
+		((ITurnInput*)&_turnBuild)->onConfigChanged(c);
+	}
+
+	virtual bool allowPicking() {
+		const int* pointerIds;
+		int pointerCount = Multitouch::getActivePointerIds(&pointerIds);
+		for (int i = 0; i < pointerCount; ++i) {
+			int p = pointerIds[i];
+			const float x = Multitouch::getX(p);
+			const float y = Multitouch::getY(p);
+
+			if (_turnBuild.isInsideArea(x, y)) {
+				mousex = x;
+				mousey = y;
+				return true;
+			}
+		}
+
+		return false;
+		// return _turnBuild.allowPicking;
+	}
+
+	virtual void render(float alpha) {
+		_turnBuild.render(alpha);
+	}
+
+	virtual IMoveInput*		getMoveInput()  { return &_move; }
+	virtual ITurnInput*		getTurnInput()  { return &_turnBuild; }
+	virtual IBuildInput*	getBuildInput() { return &_turnBuild; }
+
+private:
+	TouchscreenInput_TestFps _move;
+	UnifiedTurnBuild _turnBuild;
+
+	Minecraft* _mc;
+
+	static const int MovementLimit = 200; // per update
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchInputHolder_H__*/

src/client/player/input/touchscreen/TouchTurnInput.h

@@ -0,0 +1,88 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchTurnInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchTurnInput_H__
+
+#include "../ITurnInput.h"
+#include "TouchAreaModel.h"
+#include "../../../../platform/input/Multitouch.h"
+
+class TouchTurnInput: public ITurnInput
+{
+public:
+	static const int MODE_OFFSET = 1;
+	static const int MODE_DELTA  = 2;
+
+	TouchTurnInput(int mode_)
+	:	mode(mode_),
+		cxO(0), cyO(0),
+		wasActive(false)
+	{
+	}
+
+	TurnDelta getTurnDelta() {
+		float dx = 0, dy = 0;
+
+		float cx = 0;
+		float cy = 0;
+		bool isActive = false;
+
+		const int* pointerIds;
+		int pointerCount = Multitouch::getActivePointerIds(&pointerIds);
+		for (int i = 0; i < pointerCount; ++i) {
+			int p = pointerIds[i];
+			int x = Multitouch::getX(p);
+			int y = Multitouch::getY(p);
+			int areaId = _model.getPointerId(x, y, p);
+
+			if (areaId == AREA_TURN) {
+				isActive = true;
+				cx = (float)x * 0.5f;
+				cy = (float)y * -0.5f;
+				break;
+			}
+		}
+
+		if (MODE_OFFSET == mode) {
+			//float dt = getDeltaTime();
+			//const float MaxTurnX = 250.0f;
+			//const float MaxTurnY = 200.0f;
+			//float cx = isActive? Controller::getX(cid) : cxO * 0.7f;
+			//float cy = isActive? Controller::getY(cid) : cyO * 0.7f;
+			//dx = linearTransform( cx, 0.1f, MaxTurnX ) * dt;
+			//dy = linearTransform( cy, 0.1f, MaxTurnY ) * dt;
+			//cxO = cx;
+			//cyO = cy;
+		} else
+			if (MODE_DELTA == mode && (wasActive || isActive)) {
+//				const float dt = getDeltaTime();
+//				const float MaxTurnX = 100.0f;
+//				const float MaxTurnY = 100.0f;
+				const float DeadZone = 0;//0.25f * dt;//0.02f;
+
+				if (!wasActive) {
+					cxO = cx;
+					cyO = cy;
+				}
+				if (isActive) {
+					dx = linearTransform(cx - cxO, DeadZone);// * MaxTurnX;
+					dy = linearTransform(cy - cyO, DeadZone);// * MaxTurnY;
+					cxO = cx;
+					cyO = cy;
+				}
+			}
+
+			wasActive = isActive;
+			return TurnDelta(dx, -dy);
+	}
+
+	int mode;
+private:
+	int cid;
+	float cxO, cyO;
+	bool wasActive;
+
+	TouchAreaModel _model;
+
+	static const int AREA_TURN = 100;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchTurnInput_H__*/

src/client/player/input/touchscreen/TouchscreenInput.cpp

@@ -0,0 +1,509 @@
+#include "TouchscreenInput.h"
+#include "../../../Options.h"
+#include "../../../../platform/input/Multitouch.h"
+#include "../../../gui/Gui.h"
+#include "../../../renderer/Tesselator.h"
+#include "../../../../world/entity/player/Player.h"
+
+#include "../../../Minecraft.h"
+#include "../../../../platform/log.h"
+#include "../../../renderer/Textures.h"
+#include "../../../sound/SoundEngine.h"
+
+static const int AREA_DPAD_FIRST = 100;
+static const int AREA_DPAD_N = 100;
+static const int AREA_DPAD_S = 101;
+static const int AREA_DPAD_W = 102;
+static const int AREA_DPAD_E = 103;
+static const int AREA_DPAD_C = 104;
+static const int AREA_PAUSE = 105;
+
+static int cPressed = 0;
+static int cReleased = 0;
+static int cDiscreet = 0;
+static int cPressedPause = 0;
+static int cReleasedPause = 0;
+//static const int AREA_DPAD_N_JUMP = 105;
+
+//
+// TouchscreenInput_TestFps
+//
+
+static void Copy(int n, float* x, float* y, float* dx, float* dy) {
+	for (int i = 0; i < n; ++i) {
+		dx[i] = x[i];
+		dy[i] = y[i];
+	}
+}
+
+static void Translate(int n, float* x, float* y, float xt, float yt) {
+	for (int i = 0; i < n; ++i) {
+		x[i] += xt;
+		y[i] += yt;
+	}
+}
+
+static void Scale(int n, float* x, float* y, float xt, float yt) {
+	for (int i = 0; i < n; ++i) {
+		x[i] *= xt;
+		y[i] *= yt;
+	}
+}
+
+static void Transformed(int n, float* x, float* y, float* dx, float* dy, float xt, float yt, float sx=1.0f, float sy=1.0f) {
+	Copy(n, x, y, dx, dy);
+	Scale(n, dx, dy, sx, sy);
+	Translate(n, dx, dy, xt, yt);
+
+	//for (int i = 0; i < n; ++i) {
+	//	LOGI("%d. (%f, %f)\n", i, dx[i], dy[i]);
+	//}
+}
+
+TouchscreenInput_TestFps::TouchscreenInput_TestFps( Minecraft* mc, Options* options )
+:	_minecraft(mc),
+	_options(options),
+	_northJump(false),
+	_forward(false),
+	_boundingRectangle(0, 0, 1, 1),
+	_pressedJump(false),
+	_pauseIsDown(false),
+	_sneakTapTime(-999),
+	aLeft(0),
+	aRight(0),
+	aUp(0),
+	aDown(0),
+	aJump(0),
+	aUpLeft(0),
+	aUpRight(0),
+	_allowHeightChange(false)
+{
+	releaseAllKeys();
+	onConfigChanged( createConfig(mc) );
+
+	Tesselator& t = Tesselator::instance;
+	const int alpha = 128;
+	t.color( 0xc0c0c0, alpha); cPressed  = t.getColor();
+	t.color( 0xffffff, alpha); cReleased = t.getColor();
+	t.color( 0xffffff, alpha / 4); cDiscreet = t.getColor();
+    t.color( 0xc0c0c0, 80); cPressedPause=t.getColor();
+    t.color( 0xffffff, 80); cReleasedPause=t.getColor();
+}
+
+TouchscreenInput_TestFps::~TouchscreenInput_TestFps() {
+	clear();
+}
+
+void TouchscreenInput_TestFps::clear() {
+	_model.clear();
+
+	delete aUpLeft; aUpLeft = NULL; // @todo: SAFEDEL
+	delete aUpRight; aUpRight = NULL;
+}
+
+bool TouchscreenInput_TestFps::isButtonDown(int areaId) {
+	return _buttons[areaId - AREA_DPAD_FIRST];
+}
+
+
+void TouchscreenInput_TestFps::onConfigChanged(const Config& c) {
+	clear();
+
+	const float w = (float)c.width;
+	const float h = (float)c.height;
+
+	/*
+	// Code for "Move when touching left side of the screen"
+	float x0[] = {  0,  w * 0.3f,  w * 0.3f,     0 };
+	float y0[] = {	0,	       0,      h-32,  h-32 };
+
+	_model.addArea(AREA_MOVE, new RectangleArea(0, 0, w*0.3f, h-32));
+	*/
+
+	// Code for "D-pad with jump in center"
+	float Bw = w * 0.11f;//0.08f;
+	float Bh = Bw;//0.15f;
+    
+    // If too large (like playing on Tablet)
+    PixelCalc& pc = _minecraft->pixelCalc;
+    if (pc.pixelsToMillimeters(Bw) > 14) {
+        Bw = Bh = pc.millimetersToPixels(14);
+    }
+	// temp data
+	float xx;
+	float yy;
+
+	const float BaseY = -8 + h - 3.0f * Bh;
+	const float BaseX = _options->isLeftHanded? -8 + w - 3 * Bw
+											:	8 + 0;
+	// Setup the bounding rectangle
+	_boundingRectangle = RectangleArea(BaseX, BaseY, BaseX + 3 * Bw, BaseY + 3 * Bh);
+
+	xx = BaseX + Bw; yy = BaseY;
+	_model.addArea(AREA_DPAD_N, aUp = new RectangleArea(xx, yy, xx+Bw, yy+Bh));
+	xx = BaseX;
+	aUpLeft = new RectangleArea(xx, yy, xx+Bw, yy+Bh);
+	xx = BaseX + 2 * Bw;
+	aUpRight = new RectangleArea(xx, yy, xx+Bw, yy+Bh);
+
+	xx = BaseX + Bw; yy = BaseY + Bh;
+	_model.addArea(AREA_DPAD_C, aJump = new RectangleArea(xx, yy, xx+Bw, yy+Bh));
+
+	xx = BaseX + Bw; yy = BaseY + 2 * Bh;
+	_model.addArea(AREA_DPAD_S, aDown = new RectangleArea(xx, yy, xx+Bw, yy+Bh));
+
+	xx = BaseX; yy = BaseY + Bh;
+	_model.addArea(AREA_DPAD_W, aLeft = new RectangleArea(xx, yy, xx+Bw, yy+Bh));
+
+	xx = BaseX + 2 * Bw; yy = BaseY + Bh;
+	_model.addArea(AREA_DPAD_E, aRight = new RectangleArea(xx, yy, xx+Bw, yy+Bh));
+
+#ifdef __APPLE__
+    float maxPixels = _minecraft->pixelCalc.millimetersToPixels(10);
+    float btnSize = Mth::Min(18 * Gui::GuiScale, maxPixels);
+	_model.addArea(AREA_PAUSE, aPause = new RectangleArea(w - 4 - btnSize,
+                                                          4,
+                                                          w - 4,
+                                                          4 + btnSize));
+#endif /* __APPLE__ */
+
+	//rebuild();
+}
+
+void TouchscreenInput_TestFps::setKey( int key, bool state )
+{
+	#ifdef WIN32
+        //LOGI("key: %d, %d\n", key, state);
+
+		int id = -1;
+		if (key == _options->keyUp.key) id = KEY_UP;
+		if (key == _options->keyDown.key) id = KEY_DOWN;
+		if (key == _options->keyLeft.key) id = KEY_LEFT;
+		if (key == _options->keyRight.key) id = KEY_RIGHT;
+		if (key == _options->keyJump.key) id = KEY_JUMP;
+		if (key == _options->keySneak.key) id = KEY_SNEAK;
+		if (key == _options->keyCraft.key) id = KEY_CRAFT;
+		if (id >= 0) {
+			_keys[id] = state;
+		}
+	#endif
+}
+
+void TouchscreenInput_TestFps::releaseAllKeys()
+{
+	xa = 0;
+	ya = 0;
+
+	for (int i = 0; i<8; ++i)
+		_buttons[i] = false;
+#ifdef WIN32
+	for (int i = 0; i<NumKeys; ++i)
+		_keys[i] = false;
+#endif
+	_pressedJump = false;
+	_allowHeightChange = false;
+}
+
+void TouchscreenInput_TestFps::tick( Player* player )
+{
+	xa = 0;
+	ya = 0;
+	jumping = false;
+
+	//bool gotEvent = false;
+	bool heldJump = false;
+	bool tmpForward = false;
+	bool tmpNorthJump = false;
+
+	for (int i = 0; i < 6; ++i)
+		_buttons[i] = false;
+
+	const int* pointerIds;
+	int pointerCount = Multitouch::getActivePointerIdsThisUpdate(&pointerIds);
+	for (int i = 0; i < pointerCount; ++i) {
+		int p = pointerIds[i];
+		int x = Multitouch::getX(p);
+		int y = Multitouch::getY(p);
+
+		if (_boundingRectangle.isInside((float)x, (float)y) && _forward && !isChangingFlightHeight)
+		{
+			float angle = Mth::PI + Mth::atan2(y - _boundingRectangle.centerY(), x - _boundingRectangle.centerX());
+			ya = Mth::sin(angle);
+			xa = Mth::cos(angle);
+			tmpForward = true;
+		}
+
+		int areaId = _model.getPointerId(x, y, p);
+		if (areaId < AREA_DPAD_FIRST)
+		{
+			continue;
+		}
+
+		bool setButton = false;
+
+		if (Multitouch::isPressed(p))
+			_allowHeightChange = (areaId == AREA_DPAD_C);
+
+        if (areaId == AREA_DPAD_C)
+		{
+			setButton = true;
+			heldJump = true;
+			// If we're in water or pressed down on the button: jump
+			if (player->isInWater()) {
+				jumping = true;
+			}
+			else if (Multitouch::isPressed(p)) {
+				jumping = true;
+			} // Or if we are walking forward, jump while going forward!
+			else if (_forward && !player->abilities.flying) {
+				areaId = AREA_DPAD_N;
+				tmpNorthJump = true;
+				//jumping = true;
+				ya += 1;
+			}
+		}
+
+		if	(areaId == AREA_DPAD_N)
+		{
+			setButton = true;
+			if (player->isInWater())
+				jumping = true;
+			else if (!isChangingFlightHeight)
+				tmpForward = true;
+			ya += 1;
+		}
+		else if (areaId == AREA_DPAD_S && !_forward)
+		{
+			setButton = true;
+            ya -= 1;
+			/*
+            if (Multitouch::isReleased(p)) {
+                float now = getTimeS();
+                if (now - _sneakTapTime < 0.4f) {
+                    ya += 1;
+                    sneaking = !sneaking;
+                    player->setSneaking(sneaking);
+                    _sneakTapTime = -1;
+                } else {
+                    _sneakTapTime = now;
+                }
+            }
+			*/
+        }
+		else if (areaId == AREA_DPAD_W && !_forward)
+		{
+			setButton = true;
+			xa += 1;
+		}
+		else if (areaId == AREA_DPAD_E && !_forward)
+		{
+			setButton = true;
+			xa -= 1;
+		}
+#ifdef __APPLE__
+		else if (areaId == AREA_PAUSE) {
+			if (Multitouch::isReleased(p)) {
+                _minecraft->soundEngine->playUI("random.click", 1, 1);
+				_minecraft->screenChooser.setScreen(SCREEN_PAUSE);
+            }
+		}
+#endif /*__APPLE__*/
+		_buttons[areaId - AREA_DPAD_FIRST] = setButton;
+	}
+
+	_forward = tmpForward;
+
+	// Only jump once at a time
+	if (tmpNorthJump) {
+		if (!_northJump)
+			jumping = true;
+		_northJump = true;
+	}
+	else _northJump = false;
+
+	isChangingFlightHeight = false;
+	wantUp   = isButtonDown(AREA_DPAD_N) && (_allowHeightChange & (_pressedJump | wantUp));
+	wantDown = isButtonDown(AREA_DPAD_S) && (_allowHeightChange & (_pressedJump | wantDown));
+	if (player->abilities.flying && (wantUp || wantDown || (heldJump && !_forward)))
+	{
+		isChangingFlightHeight = true;
+		ya = 0;
+	}
+	_renderFlightImage = player->abilities.flying;
+
+#ifdef WIN32
+	if (_keys[KEY_UP]) ya++;
+	if (_keys[KEY_DOWN]) ya--;
+	if (_keys[KEY_LEFT]) xa++;
+	if (_keys[KEY_RIGHT]) xa--;
+	if (_keys[KEY_JUMP]) jumping = true;
+	//sneaking = _keys[KEY_SNEAK];
+	if (_keys[KEY_CRAFT])
+		player->startCrafting((int)player->x, (int)player->y, (int)player->z, Recipe::SIZE_2X2);
+#endif
+
+	if (sneaking) {
+		xa *= 0.3f;
+		ya *= 0.3f;
+	}
+	//printf("\n>- %f %f\n", xa, ya);
+	_pressedJump = heldJump;
+}
+
+static void drawRectangleArea(Tesselator& t, RectangleArea* a, int ux, int vy, float ssz = 64.0f) {
+	const float pm = 1.0f / 256.0f;
+	const float sz = ssz * pm;
+	const float uu = (float)(ux) * pm;
+	const float vv = (float)(vy) * pm;
+	const float x0 = a->_x0 * Gui::InvGuiScale;
+	const float x1 = a->_x1 * Gui::InvGuiScale;
+	const float y0 = a->_y0 * Gui::InvGuiScale;
+	const float y1 = a->_y1 * Gui::InvGuiScale;
+
+	t.vertexUV(x0, y1, 0, uu,	vv+sz);
+	t.vertexUV(x1, y1, 0, uu+sz,vv+sz);
+	t.vertexUV(x1, y0, 0, uu+sz,vv);
+	t.vertexUV(x0, y0, 0, uu,	vv);
+}
+
+static void drawPolygonArea(Tesselator& t, PolygonArea* a, int x, int y) {
+	float pm = 1.0f / 256.0f;
+	float sz = 64.0f * pm;
+	float uu = (float)(x) * pm;
+	float vv = (float)(y) * pm;
+
+	float uvs[] = {uu, vv, uu+sz, vv, uu+sz, vv+sz, uu, vv+sz};
+	const int o = 0;
+
+	for (int j = 0; j < a->_numPoints; ++j) {
+		t.vertexUV(a->_x[j] * Gui::InvGuiScale, a->_y[j] * Gui::InvGuiScale, 0, uvs[(o+j+j)&7], uvs[(o+j+j+1)&7]);
+	}
+}
+
+void TouchscreenInput_TestFps::render( float a ) {
+	//return;
+
+	//static Stopwatch sw;
+	//sw.start();
+
+
+	//glColor4f2(1, 0, 1, 1.0f);
+	//glDisable2(GL_CULL_FACE);
+	glDisable2(GL_ALPHA_TEST);
+
+	glEnable2(GL_BLEND);
+	glBlendFunc2(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	_minecraft->textures->loadAndBindTexture("gui/gui.png");
+	
+	//glDisable2(GL_TEXTURE_2D);
+
+	rebuild();
+	//drawArrayVTC(_bufferId, 5 * 2 * 3, 24);
+
+	glDisable2(GL_BLEND);
+	//glEnable2(GL_TEXTURE_2D);
+	//glEnable2(GL_CULL_FACE);
+
+	//sw.stop();
+	//sw.printEvery(100, "buttons");
+}
+
+const RectangleArea& TouchscreenInput_TestFps::getRectangleArea()
+{
+	return _boundingRectangle;
+}
+const RectangleArea& TouchscreenInput_TestFps::getPauseRectangleArea()
+{
+    return *aPause;
+}
+
+void TouchscreenInput_TestFps::rebuild() {
+    if (_options->hideGui)
+        return;
+    
+	Tesselator& t = Tesselator::instance;
+	//LOGI("instance is: %p, %p, %p, %p, %p FOR %d\n", &t, aLeft, aRight, aUp, aDown, aJump, _bufferId);
+	//t.setAccessMode(Tesselator::ACCESS_DYNAMIC);
+	t.begin();
+
+	const int imageU = 0;
+	const int imageV = 107;
+	const int imageSize = 26;
+
+	bool northDiagonals = !isChangingFlightHeight && (_northJump || _forward);
+
+	// render left button
+	if (northDiagonals || isChangingFlightHeight) t.colorABGR(cDiscreet);
+    else if (isButtonDown(AREA_DPAD_W)) t.colorABGR(cPressed);
+	else						   t.colorABGR(cReleased);
+	drawRectangleArea(t, aLeft, imageU + imageSize, imageV, (float)imageSize);
+
+	// render right button
+	if (northDiagonals || isChangingFlightHeight) t.colorABGR(cDiscreet);
+	else if (isButtonDown(AREA_DPAD_E)) t.colorABGR(cPressed);
+	else						   t.colorABGR(cReleased);
+	drawRectangleArea(t, aRight, imageU + imageSize * 3, imageV, (float)imageSize);
+
+	// render forward button
+	if (isButtonDown(AREA_DPAD_N)) t.colorABGR(cPressed);
+	else						   t.colorABGR(cReleased);
+	if (isChangingFlightHeight)
+	{
+		drawRectangleArea(t, aUp, imageU + imageSize * 2, imageV + imageSize, (float)imageSize);
+	}
+	else
+	{
+		drawRectangleArea(t, aUp, imageU, imageV, (float)imageSize);
+	}
+	
+	// render diagonals, if available
+	if (northDiagonals)
+	{
+		t.colorABGR(cReleased);
+		drawRectangleArea(t, aUpLeft, imageU, imageV + imageSize, (float)imageSize);
+		drawRectangleArea(t, aUpRight, imageU + imageSize, imageV + imageSize, (float)imageSize);
+	}
+
+	// render backwards button
+	if (northDiagonals) t.colorABGR(cDiscreet);
+	else if (isButtonDown(AREA_DPAD_S)) t.colorABGR(cPressed);
+	else						   t.colorABGR(cReleased);
+	if (isChangingFlightHeight)
+	{
+		drawRectangleArea(t, aDown, imageU + imageSize * 3, imageV + imageSize, (float)imageSize);
+	}
+	else
+	{
+		drawRectangleArea(t, aDown, imageU + imageSize * 2, imageV, (float)imageSize);
+	}
+
+	// render jump / flight button
+	if (_renderFlightImage && northDiagonals) t.colorABGR(cDiscreet);
+	else if (isButtonDown(AREA_DPAD_C)) t.colorABGR(cPressed);
+	else						   t.colorABGR(cReleased);
+	if (_renderFlightImage)
+	{
+		drawRectangleArea(t, aJump, imageU + imageSize * 4, imageV + imageSize, (float)imageSize);
+	}
+	else
+	{
+		drawRectangleArea(t, aJump, imageU + imageSize * 4, imageV, (float)imageSize);
+	}
+	
+
+#ifdef __APPLE__
+	if (!_minecraft->screen) {
+		if (isButtonDown(AREA_PAUSE))  t.colorABGR(cPressedPause);
+		else						   t.colorABGR(cReleasedPause);
+		
+        drawRectangleArea(t, aPause, 200, 64, 18.0f);
+	}
+#endif /*__APPLE__*/
+//t.end(true, _bufferId);
+	//return;
+
+	t.draw();
+	//RenderChunk _render = t.end(true, _bufferId);
+	//t.setAccessMode(Tesselator::ACCESS_STATIC);
+	//_bufferId = _render.vboId;
+}

src/client/player/input/touchscreen/TouchscreenInput.h

@@ -0,0 +1,79 @@
+#ifndef NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchscreenInput_H__
+#define NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchscreenInput_H__
+
+//package net.minecraft.client.player;
+
+#include "../IMoveInput.h"
+#include "../../../gui/GuiComponent.h"
+#include "TouchAreaModel.h"
+#include "../../../renderer/RenderChunk.h"
+
+class Options;
+class Player;
+class Minecraft;
+class PolygonArea;
+
+// @todo: extract a separate MoveInput (-> merge XperiaPlayInput)
+class TouchscreenInput_TestFps:	public IMoveInput,
+								public GuiComponent
+{
+public:
+    static const int KEY_UP = 0;
+    static const int KEY_DOWN = 1;
+    static const int KEY_LEFT = 2;
+    static const int KEY_RIGHT = 3;
+    static const int KEY_JUMP = 4;
+    static const int KEY_SNEAK = 5;
+	static const int KEY_CRAFT = 6;
+	static const int NumKeys = 7;
+
+    TouchscreenInput_TestFps(Minecraft* mc, Options* options);
+	~TouchscreenInput_TestFps();
+
+	void onConfigChanged(const Config& c);
+
+	void tick(Player* player);
+	void render(float a);
+
+	void setKey(int key, bool state);
+    void releaseAllKeys();
+
+	const RectangleArea& getRectangleArea();
+    const RectangleArea& getPauseRectangleArea();
+
+private:
+	void clear();
+
+	RectangleArea _boundingRectangle;
+
+	bool _keys[NumKeys];
+	Options* _options;
+
+	bool _pressedJump;
+	bool _forward;
+	bool _northJump;
+	bool _renderFlightImage;
+	TouchAreaModel _model;
+	Minecraft* _minecraft;
+
+	RectangleArea* aLeft;
+	RectangleArea* aRight;
+	RectangleArea* aUp;
+	RectangleArea* aDown;
+	RectangleArea* aPause;
+	//RectangleArea* aUpJump;
+	RectangleArea* aJump;
+	RectangleArea* aUpLeft;
+	RectangleArea* aUpRight;
+	bool _pauseIsDown;
+
+	RenderChunk _render;
+	bool _allowHeightChange;
+	float _sneakTapTime;
+
+	bool _buttons[8];
+	bool isButtonDown(int areaId);
+	void rebuild();
+};
+
+#endif /*NET_MINECRAFT_CLIENT_PLAYER_INPUT_TOUCHSCREEN_TouchscreenInput_H__*/