TombEngine/TR5Main/Game/items.h

#pragma once
#include "Specific\phd_global.h"
#include "item.h"
#include <vector>

enum AIObjectType
{
	NO_AI = 0x0000,
	GUARD = 0x0001,
	AMBUSH = 0x0002,
	PATROL1 = 0x0004,
	MODIFY = 0x0008,
	FOLLOW = 0x0010,
	PATROL2 = 0x0020,
	ALL_AIOBJ = (GUARD | AMBUSH | PATROL1 | MODIFY | FOLLOW | PATROL2)
};

enum ItemStatus
{
	ITEM_NOT_ACTIVE = 0,
	ITEM_ACTIVE = 1,
	ITEM_DEACTIVATED = 2,
	ITEM_INVISIBLE = 3
};

enum ItemFlags
{
	IFLAG_CLEAR_BODY = (1 << 7), // 0x0080
	IFLAG_INVISIBLE = (1 << 8),  // 0x0100
	IFLAG_REVERSE = (1 << 14),	 // 0x4000
	IFLAG_KILLED = (1 << 15),    // 0x8000
	IFLAG_ACTIVATION_MASK = 0x3E00 // bits 9-13
};




// used by fx->shade !
#define RGB555(r, g, b) ((r << 7) & 0x7C00 | (g << 2) & 0x3E0 | (b >> 3) & 0x1F)
#define WHITE555 RGB555(255, 255, 255)
#define GRAY555  RGB555(128, 128, 128)
#define BLACK555 RGB555(  0,   0,   0)

constexpr auto NO_ITEM = -1;
constexpr auto ALL_MESHBITS = -1;
constexpr auto NOT_TARGETABLE = -16384;
#define NUM_ITEMS 1024

void EffectNewRoom(short fxNumber, short roomNumber);
void ItemNewRoom(short itemNum, short roomNumber);
void AddActiveItem(short itemNumber);
void ClearItem(short itemNum);
short CreateItem();
void RemoveAllItemsInRoom(short roomNumber, short objectNumber);
void RemoveActiveItem(short itemNum);
void RemoveDrawnItem(short itemNum);
void InitialiseFXArray(int allocmem);
short CreateNewEffect(short roomNum);
void KillEffect(short fxNumber);
void InitialiseItem(short itemNum);
void InitialiseItemArray(int numItems);
void KillItem(short itemNum);
void UpdateItemRoom(ITEM_INFO* item, int height);
std::vector<int> FindAllItems(short objectNumber);
ITEM_INFO* FindItem(int object_number); 
int FindItem(ITEM_INFO* item);