Tweak.xm

//####################################################
//#   MCPE Mod 0.10.0 (For Minecraft PE 0.10.0 IOS)  #
//#						     						 #
//#	         Created by HenryQuan		     		 #
//#	                11/11/2014	                     #
//####################################################

//   #	 #    #     #	 ######   #	   #	   #	    #		   ###
//    #  #   #	    #	 #    #   #	   #	   #	    #		 ######
//    #  #  #	    #	 ###### ###########  #####	 ########   #  #
//     # # #	 ####### #	  #   #    #	  ## #	#   #	   #   #
//	    ###	       ##    ###### ###########  # #  #     #	  #	   #
//##############  # # #  #  #	  #	   #	#  #  ########## ##########
//     #   #	 #  #  # #  # #   #	 # #	#  #	   # #		#  #  #
//    #    #	    #	 #  #  #  # ###	   #   #      #  #     #   #  #
//   #	   #	    #	 #######  #		       #	  #	   #	#  #  #
//  #	   #	    #	 #  #	  #		       #	 #	    #	 # #
// #	   ####     #	 ## ###   #		       #    #	     #	  ##

#import <Foundation/Foundation.h>
#import <substrate.h>

#define PLIST_PATH @"/var/mobile/Library/Preferences/HenryQuan.MCPEMod.plist"

#define KEEP_ALL_STAFFS "__ZN6Player3dieEP6Entity"
#define SNEAKING "__ZN11LocalPlayer10isSneakingEv"
#define NO_FALL_DAMAGE "__ZN11LocalPlayer15causeFallDamageEf"
#define CAN_HURT_PLAYER "__ZN6Player4hurtEP6Entityi"
#define PLAYER_WALKING_SPEED "__ZN6Player23getWalkingSpeedModifierEv"
#define IS_IN_WALL "__ZN6Player8isInWallEv"
#define ARMOR_VALUE "__ZN6Player13getArmorValueEv"
#define INSTANT_DESTROY_PICKAXE "__ZN11PickaxeItem15getDestroySpeedEP12ItemInstanceP4Tile"
#define INSTANT_DESTROY_ITEM "__ZN4Item15getDestroySpeedEP12ItemInstanceP4Tile"
#define INSTANT_DESTROY_AXE "__ZN11HatchetItem15getDestroySpeedEP12ItemInstanceP4Tile"
#define INSTANT_DESTROY_DIGGER "__ZN10DiggerItem15getDestroySpeedEP12ItemInstanceP4Tile"
#define INSTANT_KILL "__ZN3Mob25getDamageAfterArmorAbsorbEi"
#define INFINITY_OXYGEN "__ZNK6Entity13isUnderLiquidEPK8Material"
#define IS_IN_WATER "__ZNK6Entity9isInWaterEv"
#define IS_IN_LAVA "__ZN6Entity8isInLavaEv"
#define STUCK_IN_WEB "__ZN6Entity14makeStuckInWebEv"
#define BIGGER_INVENTORY "__ZNK9Inventory16getContainerSizeEv"
// Crushes when launching the app (version 0.10.0)
// #define MAX_STACK_SIZE "__ZN4Item15setMaxStackSizeEi"
#define MOB_GET_TARGET "__ZN3Mob9getTargetEv"
#define MOB_FIND_TARGET "__ZN7Monster16findAttackTargetEv"
#define NO_EXPLOSION "__ZN5Level7explodeEP6Entityffffb"
#define DIRT_TO_STH "__ZN4Tile11getResourceEiP6Random"
#define GET_DROP_COUNT "__ZN9Inventory3addEP12ItemInstance"

// Prevent repetitive code
inline bool GetBool(NSString *key)
{
	return [[[NSDictionary dictionaryWithContentsOfFile:PLIST_PATH] valueForKey:key] boolValue];
}

// Prevent repetitive code (same as above)
inline int GetInt(NSString *key)
{
	return [[[NSDictionary dictionaryWithContentsOfFile:PLIST_PATH] valueForKey:key] intValue];
}

void keepAllStaffs()
{
	// Should not remove all the items
}

float noFallDamage()
{
	return 0.f;
}

BOOL isSneaking()
{
	return true;
}

BOOL isNotSneaking()
{
	return false;
}

float sneakingSpeed()
{
	return 0.55f;
}

float normalSpeed()
{
	return 1.f;
}

float sprintSpeed()
{
	return 2.5f;
}

void canNotHurtPlayer()
{
}

BOOL isNotInWall()
{
	return false;
}

int GetArmorValue()
{
	int result;
	int armor = GetInt(@"customArmor");
	// Use array here instead of 7 ifs
	if (armor == 1)
	{
		result = 0;
	}
	if (armor == 2)
	{
		result = 7;
	}
	if (armor == 3)
	{
		result = 12;
	}
	if (armor == 4)
	{
		result = 15;
	}
	if (armor == 5)
	{
		result = 11;
	}
	if (armor == 6)
	{
		result = 20;
	}
	if (armor == 7)
	{
		result = 999;
	}
	return result;
}

float instantDestroy()
{
	// only use once so ...
	return [[[NSDictionary dictionaryWithContentsOfFile:PLIST_PATH] valueForKey:@"customDigSpeed"] floatValue];
}

int instantKill()
{
	// 50 is a big enough value to kill most of the mobs (enderman's HP is about 45 but below 50)
	return 50;
}

BOOL isNotUnderWater()
{
	return false;
}

BOOL isNotInWaterAndLava()
{
	return false;
}

BOOL isInWater()
{
	return true;
}

BOOL dontStuckInWeb()
{
	return false;
}

int biggerInventory()
{
	return 88;
}

/*
We don't need to use it now
int MaxStack()
{
return 999;
}
*/

int mobNoTarget()
{
	return 0;
}

int mobCanNotFindTarget()
{
	return 0;
}

BOOL noExplosion()
{
	return false;
}

int customDrop()
{
	return GetInt(@"customDrop");
}

int customCount()
{
	return GetInt(@"customDropNum");
}

typedef struct
{
	void vtable();
	int itemId;
} Item;

typedef struct
{
	int count;
	int damage;
	Item item;
} * ItemInstance;

int (*old__ZN9Inventory3addEP12ItemInstance)(void self(), ItemInstance itemi);
int $__ZN9Inventory3addEP12ItemInstance(void self(), ItemInstance itemi)
{
	itemi->count = GetInt(@"customDropNum");
	return old__ZN9Inventory3addEP12ItemInstance(self, itemi);
}

%ctor
{
	// The main control of the MOD
	if (GetBool(@"main"))
	{
		// All the sub-switches
		if (GetBool(@"keep"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, KEEP_ALL_STAFFS)), (void *)keepAllStaffs, NULL);
		}
		if (GetBool(@"noFallDamage"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, NO_FALL_DAMAGE)), (void *)noFallDamage, NULL);
		}
		if (GetBool(@"inWall"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, IS_IN_WALL)), (void *)isNotInWall, NULL);
		}
		if (GetBool(@"armor"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, ARMOR_VALUE)), (void *)GetArmorValue, NULL);
		}
		if (GetBool(@"instantBreak"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, INSTANT_DESTROY_PICKAXE)), (void *)instantDestroy, NULL);
			MSHookFunction(((void *)MSFindSymbol(NULL, INSTANT_DESTROY_AXE)), (void *)instantDestroy, NULL);
			MSHookFunction(((void *)MSFindSymbol(NULL, INSTANT_DESTROY_DIGGER)), (void *)instantDestroy, NULL);
			MSHookFunction(((void *)MSFindSymbol(NULL, INSTANT_DESTROY_ITEM)), (void *)instantDestroy, NULL);
		}
		if (GetBool(@"instantKill"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, INSTANT_KILL)), (void *)instantKill, NULL);
		}
		if (GetBool(@"infinityOxygen"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, INFINITY_OXYGEN)), (void *)isNotUnderWater, NULL);
		}
		if (GetBool(@"walkingInWaterAndLava"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, IS_IN_WATER)), (void *)isNotInWaterAndLava, NULL);
			MSHookFunction(((void *)MSFindSymbol(NULL, IS_IN_LAVA)), (void *)isNotInWaterAndLava, NULL);
		}
		if (GetBool(@"noGravity"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, IS_IN_WATER)), (void *)isInWater, NULL);
		}
		if (GetBool(@"stuckInWeb"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, STUCK_IN_WEB)), (void *)dontStuckInWeb, NULL);
		}
		// Crushes >_<
		// if (GetBool(@"maxStack"))
		// {
		// 	MSHookFunction(((void*)MSFindSymbol(NULL, MAX_STACK_SIZE)),(void*)MaxStack,NULL);
		// }
		if (GetBool(@"biggerInventory"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, BIGGER_INVENTORY)), (void *)biggerInventory, NULL);
		}
		if (GetBool(@"mobsDontAttack"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, MOB_GET_TARGET)), (void *)mobNoTarget, NULL);
			MSHookFunction(((void *)MSFindSymbol(NULL, MOB_FIND_TARGET)), (void *)mobCanNotFindTarget, NULL);
		}
		if (GetBool(@"noExplosion"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, NO_EXPLOSION)), (void *)noExplosion, NULL);
		}
		if (GetBool(@"dirtToAnything"))
		{
			MSHookFunction(((void *)MSFindSymbol(NULL, DIRT_TO_STH)), (void *)customDrop, NULL);
		}
		if (GetBool(@"getDropNumber"))
		{
			MSHookFunction(((int *)MSFindSymbol(NULL, GET_DROP_COUNT)), (int *)$__ZN9Inventory3addEP12ItemInstance, (int **)&old__ZN9Inventory3addEP12ItemInstance);
		}
	}
}

@interface minecraftpeViewController : UIViewController

@end

%hook minecraftpeViewController

UIButton *Sneaking;

- (void)viewDidLoad
{
	%orig();

	// The main control of the MOD
	if (GetBool(@"main"))
	{
		if (GetBool(@"sneaking"))
		{
			Sneaking = [UIButton buttonWithType:UIButtonTypeRoundedRect];
			Sneaking.frame = CGRectMake(0, 90, 40, 25);
			[Sneaking setTitle:@"N" forState:UIControlStateNormal];
			[Sneaking setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
			Sneaking.backgroundColor = [UIColor blackColor];
			[Sneaking addTarget:self action:@selector(switchMode) forControlEvents:UIControlEventTouchUpInside];
			[[self view] addSubview:Sneaking];

			// is better to put a label above the button, it looks nice.
			UILabel *walking = [[UILabel alloc] initWithFrame:CGRectMake(0, 70, 55, 25)];
			walking.text = @"walk";
			[[self view] addSubview:walking];
		}
	}
}

%new - (void)switchMode
{
	if ([Sneaking.currentTitle isEqualToString:@"N"])
	{
		[Sneaking setTitle:@"S" forState:UIControlStateNormal];
		MSHookFunction(((void *)MSFindSymbol(NULL, SNEAKING)), (void *)isSneaking, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, CAN_HURT_PLAYER)), (void *)canNotHurtPlayer, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, NO_FALL_DAMAGE)), (void *)noFallDamage, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, PLAYER_WALKING_SPEED)), (void *)sneakingSpeed, NULL);
	}
	else if ([Sneaking.currentTitle isEqualToString:@"S"])
	{
		[Sneaking setTitle:@"V" forState:UIControlStateNormal];
		MSHookFunction(((void *)MSFindSymbol(NULL, SNEAKING)), (void *)isNotSneaking, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, CAN_HURT_PLAYER)), (void *)canNotHurtPlayer, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, NO_FALL_DAMAGE)), (void *)noFallDamage, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, PLAYER_WALKING_SPEED)), (void *)sprintSpeed, NULL);
	}
	else if ([Sneaking.currentTitle isEqualToString:@"V"])
	{
		[Sneaking setTitle:@"N" forState:UIControlStateNormal];
		MSHookFunction(((void *)MSFindSymbol(NULL, SNEAKING)), (void *)isNotSneaking, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, CAN_HURT_PLAYER)), (void *)canNotHurtPlayer, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, NO_FALL_DAMAGE)), (void *)noFallDamage, NULL);
		MSHookFunction(((void *)MSFindSymbol(NULL, PLAYER_WALKING_SPEED)), (void *)normalSpeed, NULL);
	}
}

%end

// 12/11/2014 9:50pm ^_^
// 19/11/2014 16:16pm >_<

/* 
02/10/2020 7:46pm
It has been 6 years, time really flies.
I am back again but this time, I am more powerful than ever before!

HenryQuan
*/