TombEngine/TR5Main/Objects/TR5/Object/tr5_pushableblock.h

#pragma once
#include "items.h"
#include "collide.h"

typedef struct PUSHABLE_INFO // void* data of pushable
{
	int height;				// height for collision, also in floor procedure
	int weight;
	int stackLimit;
	short linkedIndex;		// using itemFlags[1] for now
	short gravity;			// fall acceleration
	short loopSound;		// looped sound index for movement
	short stopSound;		// ending sound index
	short fallSound;		// sound on hitting floor (if dropped)
	short climb;			// not used for now
	bool canFall;			// OCB 32
	bool hasFloorCeiling;	// has floor and ceiling procedures (OCB 64)
	bool disablePull;		// OCB 128
	bool disablePush;		// OCB 256
	bool disableW;			// OCB 512 (W+E)
	bool disableE;			// OCB 512 (W+E)
	bool disableN;			// OCB 1024 (N+S)
	bool disableS;			// OCB 1024 (N+S)
};

void ClearMovableBlockSplitters(int x, int y, int z, short roomNumber);
void InitialisePushableBlock(short itemNum);
void PushableBlockControl(short itemNum);
void PushableBlockCollision(short itemNum, ITEM_INFO* laraitem, COLL_INFO* coll);
int TestBlockMovable(ITEM_INFO* item, int blokhite);
int TestBlockPush(ITEM_INFO* item, int blockhite, unsigned short quadrant);
int TestBlockPull(ITEM_INFO* item, int blockhite, short quadrant);
void MoveStackXZ(int itemNum);
void MoveStackY(int itemNum, int y);
void RemoveFromStack(int itemNum);
int FindStack(int itemNum);
int GetStackHeight(ITEM_INFO* item);
int CheckStackLimit(ITEM_INFO* item);
void pushLoop(ITEM_INFO* item);
void pushEnd(ITEM_INFO* item);
PUSHABLE_INFO* pushable_info(ITEM_INFO* item);
std::tuple<std::optional<int>, bool> PushableBlockFloor(short itemNumber, int x, int y, int z);
std::tuple<std::optional<int>, bool> PushableBlockCeiling(short itemNumber, int x, int y, int z);