Class: Mmi::Modloader::Fabric

Inherits:
Object
  • Object
show all
Defined in:
lib/mmi/modloader/fabric.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Fabric

Returns a new instance of Fabric.



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/mmi/modloader/fabric.rb', line 11

def initialize(options)
	@options = options
	
	@version      = options['version'          ]
	@install_type = options['install_type'     ]
	@mcversion    = options['minecraft_version']
	@install_dir  = options['install_dir'      ] || Mmi.minecraft_dir
	
	if self.version
		if self.install_type
			if ['client', 'server'].include?(self.install_type)
				if self.mcversion
					# Pass.
				else
					raise Mmi::MissingAttributeError, 'Missing "modloader.minecraft_version".'
				end
			else
				raise Mmi::InvalidAttributeError, %Q{Invalid "modloader.install_type". Expecting "client" or "server", got #{self.install_type.inspect}.}
			end
		else
			raise Mmi::MissingAttributeError, 'Missing "modloader.install_type".'
		end
	else
		raise Mmi::MissingAttributeError, 'Missing "modloader.version".'
	end
end

Instance Attribute Details

#install_dir ⇒ Object (readonly)

Returns the value of attribute install_dir.



9
10
11
 
# File 'lib/mmi/modloader/fabric.rb', line 9

def install_dir
  @install_dir
end

#install_type ⇒ Object (readonly)

Returns the value of attribute install_type.



7
8
9
 
# File 'lib/mmi/modloader/fabric.rb', line 7

def install_type
  @install_type
end

#mcversion ⇒ Object (readonly)

Returns the value of attribute mcversion.



8
9
10
 
# File 'lib/mmi/modloader/fabric.rb', line 8

def mcversion
  @mcversion
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



4
5
6
 
# File 'lib/mmi/modloader/fabric.rb', line 4

def options
  @options
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



6
7
8
 
# File 'lib/mmi/modloader/fabric.rb', line 6

def version
  @version
end

Instance Method Details

#absolute_install_dir ⇒ Object 



50
51
52
 
# File 'lib/mmi/modloader/fabric.rb', line 50

def absolute_install_dir
	File.expand_path(self.install_dir)
end

#download_installer ⇒ Object 



54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
 
# File 'lib/mmi/modloader/fabric.rb', line 54

def download_installer
	Mmi.info "Downloading fabric-installer version #{self.version.inspect}."
	
	begin
		FileUtils.mkdir_p(Mmi.cache_dir)
		
		expected_hexdigest = URI.open(installer_sha512sum_uri).read
		
		if !File.exists?(installer_path) || expected_hexdigest != Digest::SHA512.hexdigest(File.read(installer_path))
			stream = URI.open(installer_uri)
			
			IO.copy_stream(stream, installer_path)
			
			actual_hexdigest = Digest::SHA512.hexdigest(File.read(installer_path))
			
			if expected_hexdigest == actual_hexdigest
				# Pass.
			else
				Mmi.fail! "Expected fabric installer to have SHA512 sum #{expected_hexdigest.inspect} but received #{actual_hexdigest.inspect}."
			end
		else
			Mmi.info 'Using cached fabric-installer.'
		end
	rescue OpenURI::HTTPError => e
		Mmi.fail! %Q{Error when requesting fabric installer. Maybe "modloader.version" == #{version.inspect} is invalid.\n#{e.inspect}}
	end
end

#install ⇒ Object 



92
93
94
95
 
# File 'lib/mmi/modloader/fabric.rb', line 92

def install
	download_installer
	run_installer
end

#installer_path ⇒ Object 



46
47
48
 
# File 'lib/mmi/modloader/fabric.rb', line 46

def installer_path
	File.join(Mmi.cache_dir, "fabric-installer-#{self.version}.jar")
end

#installer_sha512sum_uri ⇒ Object 



42
43
44
 
# File 'lib/mmi/modloader/fabric.rb', line 42

def installer_sha512sum_uri
	"#{installer_uri}.sha512"
end

#installer_uri ⇒ Object 



38
39
40
 
# File 'lib/mmi/modloader/fabric.rb', line 38

def installer_uri
	"https://maven.fabricmc.net/net/fabricmc/fabric-installer/#{self.version}/fabric-installer-#{self.version}.jar"
end

#run_installer ⇒ Object 



82
83
84
85
86
87
88
89
90
 
# File 'lib/mmi/modloader/fabric.rb', line 82

def run_installer
	FileUtils.mkdir_p(absolute_install_dir)
	
	if system('java', '-jar', installer_path, 'client', '-dir', absolute_install_dir, '-noprofile', '-mcversion', self.mcversion)
		# Pass.
	else
		Mmi.fail! 'Failed to install Fabric modloader.'
	end
end