#include <Globals.h>

#include "Entity.h"
#include "Globals.h"
#include "Game.h"


Entity::Entity(const EntityType* zType, Framework::Model3DData* model, Framework::Model3DTextur* texture, int id, Framework::Vec3<float> position, float maxMovementSpeed)
	: Model3D(), id(id), zType(zType),
	playerControlled(0),
	maxMovementSpeed(maxMovementSpeed),
	lastFlags(0),
	timeSinceSync(0),
	speed(0, 0, 0)
{
	pos = position;
	setModelDaten(model);
	setModelTextur(texture);
	lastDirection = currentGame->zKamera()->getDirection();
	currentFrame.duration = 0;
	rend = 1;
}

Entity::~Entity()
{}

void Entity::api(char* message)
{
	switch (message[0])
	{
	case 0:
	{ // add movement frame
		if (!playerControlled)
		{
			MovementFrame frame;
			frame.direction.x = *(float*)(message += 1);
			frame.direction.y = *(float*)(message += 4);
			frame.direction.z = *(float*)(message += 4);
			frame.targetPosition.x = *(float*)(message += 4);
			frame.targetPosition.y = *(float*)(message += 4);
			frame.targetPosition.z = *(float*)(message += 4);
			frame.movementFlags = *(int*)(message += 4);
			frame.duration = *(double*)(message += 4);
			cs.lock();
			movements.add(frame);
			cs.unlock();
		}
		break;
	}
	case 1:
	{ // position correction
		if (playerControlled)
		{
			timeSinceSync = 0;
			pos.x = *(float*)(message += 1);
			pos.y = *(float*)(message += 4);
			pos.z = *(float*)(message += 4);
			lastDirection = currentGame->zKamera()->getDirection();
			lastFlags = 0;
		}
		break;
	}
	}
}

bool Entity::tick(double time)
{
	if (playerControlled && GetForegroundWindow() == window->getFensterHandle())
	{
		Vec3<float> direction = currentGame->zKamera()->getDirection();
		Vec3<float> lastPos = pos;
		int flags = 0;
		speed = { 0, 0, speed.z };
		if (GetKeyState('w') & 0x8000 || GetKeyState('W') & 0x8000)
		{
			flags |= 1;
			speed += {direction.x, direction.y, 0};
		}
		if (GetKeyState('a') & 0x8000 || GetKeyState('A') & 0x8000)
		{
			flags |= 2;
			Vec2<float> norm = { direction.x, direction.y };
			norm.CCW90().normalize();
			speed += {norm.x, norm.y, 0};
		}
		if (GetKeyState('s') & 0x8000 || GetKeyState('S') & 0x8000)
		{
			flags |= 4;
			speed += {-direction.x, -direction.y, 0};
		}
		if (GetKeyState('d') & 0x8000 || GetKeyState('D') & 0x8000)
		{
			flags |= 8;
			Vec2<float> norm = { direction.x, direction.y };
			norm.CW90().normalize();
			speed += {norm.x, norm.y, 0};
		}
		if (GetKeyState(T_Shift) & 0x8000)
		{
			flags |= 16;
			speed.z = -maxMovementSpeed;
		}
		else if (GetKeyState(T_Space) & 0x8000)
		{
			flags |= 32;
			speed.z = maxMovementSpeed;
		}
		else
		{
			speed.z = 0.f;
		}
		Vec2<float> norm = { speed.x, speed.y };
		if (norm.getLengthSq() != 0)
		{
			norm.normalize();
			speed.x = norm.x * maxMovementSpeed;
			speed.y = norm.y * maxMovementSpeed;
		}
		// TODO: collision check
		pos += speed * (float)time;
		currentGame->zKamera()->setPosition(pos + Vec3<float>(0.f, 0.f, 1.5f));
		((Game*)(Menu*)menuRegister->get("game"))->updatePosition(pos, 0, { 0, 0, 0 });
		if (flags != lastFlags || direction != lastDirection || timeSinceSync >= 1)
		{
			if (timeSinceSync > 0)
			{
				MovementFrame frame;
				frame.direction = lastDirection;
				frame.targetPosition = lastPos;
				frame.movementFlags = lastFlags;
				frame.duration = timeSinceSync;
				network->zFactoryClient()->sendPlayerMovement(frame);
			}
			lastFlags = flags;
			lastDirection = direction;
			timeSinceSync = 0;
		}
		timeSinceSync += time;
		rend = 1;
	}
	else
	{
		double totalTime = time;
		while (totalTime > 0)
		{
			if (currentFrame.duration <= 0)
			{
				if (movements.getEintragAnzahl() > 0)
				{
					currentFrame = movements.get(0);
					cs.lock();
					movements.remove(0);
					cs.unlock();
				}
				else
				{
					break;
				}
			}
			double t = MIN(totalTime, currentFrame.duration);
			speed = { 0, 0, speed.z };
			if ((currentFrame.movementFlags | 1) == currentFrame.movementFlags)
			{
				speed += {currentFrame.direction.x, currentFrame.direction.y, 0};
			}
			if ((currentFrame.movementFlags | 2) == currentFrame.movementFlags)
			{
				Vec2<float> norm = { currentFrame.direction.x, currentFrame.direction.y };
				norm.CCW90().normalize();
				speed += {norm.x, norm.y, 0};
			}
			if ((currentFrame.movementFlags | 4) == currentFrame.movementFlags)
			{
				speed += {-currentFrame.direction.x, -currentFrame.direction.y, 0};
			}
			if ((currentFrame.movementFlags | 8) == currentFrame.movementFlags)
			{
				Vec2<float> norm = { currentFrame.direction.x, currentFrame.direction.y };
				norm.CW90().normalize();
				speed += {norm.x, norm.y, 0};
			}
			if ((currentFrame.movementFlags | 16) == currentFrame.movementFlags)
			{
				speed.z = -maxMovementSpeed;
			}
			else if ((currentFrame.movementFlags | 32) == currentFrame.movementFlags)
			{
				speed.z = maxMovementSpeed;
			}
			else
			{
				speed.z = 0.f;
			}
			Vec2<float> norm = { speed.x, speed.y };
			if (norm.getLengthSq() != 0)
			{
				norm.normalize();
				speed.x = norm.x * maxMovementSpeed;
				speed.y = norm.y * maxMovementSpeed;
			}
			// TODO: collision check
			pos += speed * (float)t;
			currentFrame.duration -= t;
			totalTime -= t;
			if (currentFrame.duration <= 0)
			{
				pos = currentFrame.targetPosition;
			}
			rend = 1;
		}

	}
	return Model3D::tick(time);
}

int Entity::getId() const
{
	return id;
}

const EntityType* Entity::zEntityType() const
{
	return zType;
}

void Entity::lock()
{
	cs.lock();
}

void Entity::unlock()
{
	cs.unlock();
}

void Entity::setPlayerControlled()
{
	playerControlled = 1;
	currentGame->zKamera()->setPosition(pos + Vec3<float>(0.f, 0.f, 1.5f));
}