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Fleshing out model a bit more.

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This commit is contained in:
preble 2010-10-07 01:45:51 -04:00
parent dce74db1e8
commit 1b66f2a808
8 changed files with 177 additions and 2 deletions
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23
IJInventoryItem.h Normal file
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@ -0,0 +1,23 @@
//
// IJInventoryItem.h
// InsideJob
//
// Created by Adam Preble on 10/7/10.
// Copyright 2010 Adam Preble. All rights reserved.
//
#import <Cocoa/Cocoa.h>
@interface IJInventoryItem : NSObject {
uint16_t itemId;
uint16_t damage;
uint8_t count;
uint8_t slot;
}
@property (nonatomic, assign) uint16_t itemId;
@property (nonatomic, assign) uint16_t damage;
@property (nonatomic, assign) uint8_t count;
@property (nonatomic, assign) uint8_t slot;
@end

16
IJInventoryItem.m Normal file
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@ -0,0 +1,16 @@
//
// IJInventoryItem.m
// InsideJob
//
// Created by Adam Preble on 10/7/10.
// Copyright 2010 Adam Preble. All rights reserved.
//
#import "IJInventoryItem.h"
@implementation IJInventoryItem
@synthesize itemId, slot, damage, count;
@end

18
IJMinecraftLevel.h Normal file
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@ -0,0 +1,18 @@
//
// IJMinecraftLevel.h
// InsideJob
//
// Created by Adam Preble on 10/7/10.
// Copyright 2010 Adam Preble. All rights reserved.
//
#import <Cocoa/Cocoa.h>
#import "NBTContainer.h"
@interface IJMinecraftLevel : NBTContainer {
}
@property (nonatomic, copy) NSArray *inventory; // Array of IJInventoryItem objects.
@end

72
IJMinecraftLevel.m Normal file
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@ -0,0 +1,72 @@
//
// IJMinecraftLevel.m
// InsideJob
//
// Created by Adam Preble on 10/7/10.
// Copyright 2010 Adam Preble. All rights reserved.
//
#import "IJMinecraftLevel.h"
#import "IJInventoryItem.h"
@implementation IJMinecraftLevel
- (NBTContainer *)containerWithName:(NSString *)theName inArray:(NSArray *)array
{
for (NBTContainer *container in array)
{
if ([container.name isEqual:theName])
return container;
}
return nil;
}
- (NBTContainer *)inventoryList
{
// Inventory is found in:
// - compound "Data"
// - compound "Player"
// - list "Inventory"
// *
NBTContainer *dataCompound = [self childNamed:@"Data"];
NBTContainer *playerCompound = [dataCompound childNamed:@"Player"];
NBTContainer *inventoryList = [playerCompound childNamed:@"Inventory"];
// TODO: Check for error conditions here.
return inventoryList;
}
- (NSArray *)inventory
{
NSMutableArray *output = [NSMutableArray array];
for (NSArray *listItems in [self inventoryList].children)
{
IJInventoryItem *invItem = [[IJInventoryItem alloc] init];
invItem.itemId = [[self containerWithName:@"id" inArray:listItems].numberValue shortValue];
invItem.count = [[self containerWithName:@"Count" inArray:listItems].numberValue unsignedCharValue];
invItem.damage = [[self containerWithName:@"Damage" inArray:listItems].numberValue shortValue];
invItem.slot = [[self containerWithName:@"Slot" inArray:listItems].numberValue unsignedCharValue];
[output addObject:invItem];
[invItem release];
}
return output;
}
- (void)setInventory:(NSArray *)newInventory
{
NSMutableArray *newChildren = [NSMutableArray array];
NBTContainer *inventoryList = [self inventoryList];
for (IJInventoryItem *invItem in newInventory)
{
NSArray *listItems = [NSArray arrayWithObjects:
[NBTContainer containerWithName:@"id" type:NBTTypeShort numberValue:[NSNumber numberWithShort:invItem.itemId]],
[NBTContainer containerWithName:@"Damage" type:NBTTypeShort numberValue:[NSNumber numberWithShort:invItem.damage]],
[NBTContainer containerWithName:@"Count" type:NBTTypeByte numberValue:[NSNumber numberWithShort:invItem.count]],
[NBTContainer containerWithName:@"Slot" type:NBTTypeByte numberValue:[NSNumber numberWithShort:invItem.slot]],
nil];
[newChildren addObject:listItems];
}
inventoryList.children = newChildren;
}
@end

12
InsideJob.xcodeproj/project.pbxproj
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@ -12,6 +12,8 @@
668B2556125D5A3E0060BF71 /* NBTContainer.m in Sources */ = {isa = PBXBuildFile; fileRef = 668B2555125D5A3E0060BF71 /* NBTContainer.m */; };
668B255C125D5BCA0060BF71 /* NSData+CocoaDevAdditions.m in Sources */ = {isa = PBXBuildFile; fileRef = 668B255B125D5BCA0060BF71 /* NSData+CocoaDevAdditions.m */; };
668B2560125D5C1C0060BF71 /* libz.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = 668B255F125D5C1C0060BF71 /* libz.dylib */; };
668B27AF125D8EFD0060BF71 /* IJMinecraftLevel.m in Sources */ = {isa = PBXBuildFile; fileRef = 668B27AE125D8EFD0060BF71 /* IJMinecraftLevel.m */; };
668B27B2125D8F8E0060BF71 /* IJInventoryItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 668B27B1125D8F8E0060BF71 /* IJInventoryItem.m */; };
8D11072B0486CEB800E47090 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 089C165CFE840E0CC02AAC07 /* InfoPlist.strings */; };
8D11072D0486CEB800E47090 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 29B97316FDCFA39411CA2CEA /* main.m */; settings = {ATTRIBUTES = (); }; };
8D11072F0486CEB800E47090 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1058C7A1FEA54F0111CA2CBB /* Cocoa.framework */; };
@ -33,6 +35,10 @@
668B255A125D5BCA0060BF71 /* NSData+CocoaDevAdditions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSData+CocoaDevAdditions.h"; sourceTree = "<group>"; };
668B255B125D5BCA0060BF71 /* NSData+CocoaDevAdditions.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSData+CocoaDevAdditions.m"; sourceTree = "<group>"; };
668B255F125D5C1C0060BF71 /* libz.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libz.dylib; path = usr/lib/libz.dylib; sourceTree = SDKROOT; };
668B27AD125D8EFD0060BF71 /* IJMinecraftLevel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IJMinecraftLevel.h; sourceTree = "<group>"; };
668B27AE125D8EFD0060BF71 /* IJMinecraftLevel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IJMinecraftLevel.m; sourceTree = "<group>"; };
668B27B0125D8F8E0060BF71 /* IJInventoryItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IJInventoryItem.h; sourceTree = "<group>"; };
668B27B1125D8F8E0060BF71 /* IJInventoryItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IJInventoryItem.m; sourceTree = "<group>"; };
8D1107310486CEB800E47090 /* InsideJob-Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = "InsideJob-Info.plist"; sourceTree = "<group>"; };
8D1107320486CEB800E47090 /* InsideJob.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = InsideJob.app; sourceTree = BUILT_PRODUCTS_DIR; };
/* End PBXFileReference section */
@ -131,6 +137,10 @@
668B2551125D59BF0060BF71 /* Model */ = {
isa = PBXGroup;
children = (
668B27AD125D8EFD0060BF71 /* IJMinecraftLevel.h */,
668B27AE125D8EFD0060BF71 /* IJMinecraftLevel.m */,
668B27B0125D8F8E0060BF71 /* IJInventoryItem.h */,
668B27B1125D8F8E0060BF71 /* IJInventoryItem.m */,
668B2554125D5A3E0060BF71 /* NBTContainer.h */,
668B2555125D5A3E0060BF71 /* NBTContainer.m */,
);
@ -215,6 +225,8 @@
256AC3DA0F4B6AC300CF3369 /* InsideJobAppDelegate.m in Sources */,
668B2556125D5A3E0060BF71 /* NBTContainer.m in Sources */,
668B255C125D5BCA0060BF71 /* NSData+CocoaDevAdditions.m in Sources */,
668B27AF125D8EFD0060BF71 /* IJMinecraftLevel.m in Sources */,
668B27B2125D8F8E0060BF71 /* IJInventoryItem.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};

9
InsideJobAppDelegate.m
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@ -8,6 +8,7 @@
#import "InsideJobAppDelegate.h"
#import "NBTContainer.h"
#import "IJMinecraftLevel.h"
@implementation InsideJobAppDelegate
@ -16,8 +17,12 @@
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
// Insert code here to initialize your application
NSData *fileData = [NSData dataWithContentsOfURL:[NSURL fileURLWithPath:@"../../level.dat"]];
NBTContainer *nbtFile = [NBTContainer nbtContainerWithData:fileData];
NSData *fileData = [NSData dataWithContentsOfURL:[NSURL fileURLWithPath:@"../../world5-level.dat"]];
IJMinecraftLevel *level = [IJMinecraftLevel nbtContainerWithData:fileData];
[level inventory];
// NSData *newData = [level writeData];
// [newData writeToURL:[NSURL fileURLWithPath:@"../../output.nbt"] atomically:NO];
}
@end

2
NBTContainer.h
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@ -37,7 +37,9 @@ typedef enum {
@property (nonatomic, retain) NSNumber *numberValue;
@property (nonatomic, assign) NBTType listType;
+ (NBTContainer *)containerWithName:(NSString *)theName type:(NBTType)theType numberValue:(NSNumber *)theNumber;
+ (id)nbtContainerWithData:(NSData *)data;
- (void)readFromData:(NSData *)data;
- (NSData *)writeData;
- (NBTContainer *)childNamed:(NSString *)theName;
@end

27
NBTContainer.m
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@ -51,6 +51,15 @@
[super dealloc];
}
+ (NBTContainer *)containerWithName:(NSString *)theName type:(NBTType)theType numberValue:(NSNumber *)theNumber
{
NBTContainer *cont = [[[NBTContainer alloc] init] autorelease];
cont.name = theName;
cont.type = theType;
cont.numberValue = theNumber;
return cont;
}
+ (id)nbtContainerWithData:(NSData *)data;
{
@ -74,6 +83,24 @@
return [[self data] gzipDeflate];
}
- (NBTContainer *)childNamed:(NSString *)theName
{
if (self.type != NBTTypeCompound)
{
NSLog(@"ERROR: Cannot find children inside a non-compound NBTContainer.");
return nil;
}
for (NBTContainer *container in self.children)
{
if ([container.name isEqual:theName])
return container;
}
return nil;
}
#pragma mark -
#pragma mark Private I/O API
- (void)populateWithBytes:(const uint8_t *)bytes offset:(uint32_t *)offsetPointer
{
uint32_t offset = *offsetPointer;