the whole game

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

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+#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__*/