#include "framework.h"
#include "room.h"
#include "control/control.h"
#include "control/lot.h"
#include "control/volume.h"
#include "Renderer11.h"
#include "item.h"

using namespace TEN::Renderer;

byte FlipStatus = 0;
int FlipStats[MAX_FLIPMAP];
int FlipMap[MAX_FLIPMAP];

short IsRoomOutsideNo;
std::vector<short> OutsideRoomTable[OUTSIDE_SIZE][OUTSIDE_SIZE];

void DoFlipMap(short group)
{
	ROOM_INFO temp;

	for (size_t i = 0; i < g_Level.Rooms.size(); i++)
	{
		ROOM_INFO* r = &g_Level.Rooms[i];

		if (r->flippedRoom >= 0 && r->flipNumber == group)
		{
			RemoveRoomFlipItems(r);

			ROOM_INFO* flipped = &g_Level.Rooms[r->flippedRoom];

			temp = *r;
			*r = *flipped;
			*flipped = temp;

			r->flippedRoom = flipped->flippedRoom;
			flipped->flippedRoom = -1;

			r->itemNumber = flipped->itemNumber;
			r->fxNumber = flipped->fxNumber;

			AddRoomFlipItems(r);

			g_Renderer.flipRooms(static_cast<short>(i), r->flippedRoom);

			for (auto& fd : r->floor)
				fd.Room = i;
			for (auto& fd : flipped->floor)
				fd.Room = r->flippedRoom;
		}
	}

	int status = FlipStats[group] == 0;
	FlipStats[group] = status;
	FlipStatus = status;

	for (int i = 0; i < ActiveCreatures.size(); i++)
	{
		ActiveCreatures[i]->LOT.targetBox = NO_BOX;
	}
}

void AddRoomFlipItems(ROOM_INFO* r)
{
	for (short linkNum = r->itemNumber; linkNum != NO_ITEM; linkNum = g_Level.Items[linkNum].nextItem)
	{
		ITEM_INFO* item = &g_Level.Items[linkNum];

		//if (item->objectNumber == ID_RAISING_BLOCK1 && item->itemFlags[1])
		//	AlterFloorHeight(item, -1024);

		if (item->objectNumber == ID_RAISING_BLOCK2)
		{
			//if (item->itemFlags[1])
			//	AlterFloorHeight(item, -2048);
		}
	}
}

void RemoveRoomFlipItems(ROOM_INFO* r)
{
	for (short linkNum = r->itemNumber; linkNum != NO_ITEM; linkNum = g_Level.Items[linkNum].nextItem)
	{
		ITEM_INFO* item = &g_Level.Items[linkNum];

		if (item->flags & 0x100 && Objects[item->objectNumber].intelligent && item->hitPoints <= 0 && item->hitPoints != NOT_TARGETABLE)
		{
			KillItem(linkNum);
		}
	}
}
int IsObjectInRoom(short roomNumber, short objectNumber)
{
	short itemNumber = g_Level.Rooms[roomNumber].itemNumber;

	if (itemNumber == NO_ITEM)
		return 0;

	while (true)
	{
		ITEM_INFO* item = &g_Level.Items[itemNumber];

		if (item->objectNumber == objectNumber)
			break;

		itemNumber = item->nextItem;

		if (itemNumber == NO_ITEM)
			return 0;
	}

	return 1;
}

int IsRoomOutside(int x, int y, int z)
{
	if (x < 0 || z < 0)
		return -2;

	int xTable = x / 1024;
	int zTable = z / 1024;

	if (OutsideRoomTable[xTable][zTable].size() == 0)
		return -2;

	for (size_t i = 0; i < OutsideRoomTable[xTable][zTable].size(); i++)
	{
		short roomNumber = OutsideRoomTable[xTable][zTable][i];
		ROOM_INFO* r = &g_Level.Rooms[roomNumber];

		if ((y > r->maxceiling) && (y < r->minfloor)
			&& ((z > (r->z + 1024)) && (z < (r->z + ((r->xSize - 1) * 1024))))
			&& ((x > (r->x + 1024)) && (x < (r->x + ((r->ySize - 1) * 1024)))))
		{
			IsRoomOutsideNo = roomNumber;

			FLOOR_INFO* floor = GetFloor(x, y, z, &roomNumber);
			int height = GetFloorHeight(floor, x, y, z);
			if (height == NO_HEIGHT || y > height)
				return -2;
			height = GetCeiling(floor, x, y, z);
			if (y < height)
				return -2;

			return ((r->flags & (ENV_FLAG_WIND | ENV_FLAG_WATER)) != 0 ? 1 : -3);
		}
	}

	return -2;
}

FLOOR_INFO* GetSector(ROOM_INFO* r, int x, int z) 
{
	int sectorX = (x) / SECTOR(1);
	int sectorZ = (z) / SECTOR(1);
	int index = sectorZ + sectorX * r->xSize;
	if (index > r->floor.size()) 
	{
		return nullptr;
	}
	return &r->floor[index];
}