75 lines
1.7 KiB
Ruby
75 lines
1.7 KiB
Ruby
module Runtime
|
|
class << self
|
|
|
|
# Return the base paths to the runtime directories.
|
|
#
|
|
# @return [Array] Current runtime paths.
|
|
def paths
|
|
@paths ||= default_paths
|
|
end
|
|
|
|
# Find a runtime file.
|
|
#
|
|
# @param type [Symbol]
|
|
# Type of runtime file to find. Options:
|
|
# - :shader
|
|
# - :font
|
|
# @param name [String]
|
|
# Name of the runtime file to locate.
|
|
#
|
|
# @return [String, nil]
|
|
# Path to the runtime file, or +nil+ if not found.
|
|
def find(type, name)
|
|
path = nil
|
|
paths.find do |runtime_path|
|
|
path = find_in(type, name, runtime_path)
|
|
end
|
|
path
|
|
end
|
|
|
|
private
|
|
|
|
# Return the default runtime paths.
|
|
#
|
|
# @return [Array] Default runtime paths.
|
|
def default_paths
|
|
paths = []
|
|
user_path = File.expand_path("~/.jes")
|
|
if File.directory?(user_path)
|
|
paths << user_path
|
|
end
|
|
paths << File.expand_path("../../runtime", $0)
|
|
paths
|
|
end
|
|
|
|
# Find a runtime file within a single runtime path.
|
|
#
|
|
# @param type [Symbol]
|
|
# Type of runtime file to find. Options:
|
|
# - :shader
|
|
# - :font
|
|
# @param name [String]
|
|
# Name of the runtime file to locate.
|
|
# @param runtime_path [String]
|
|
# The runtime path to look in.
|
|
#
|
|
# @return [String, nil]
|
|
# Path to the runtime file, or +nil+ if not found.
|
|
def find_in(type, name, runtime_path)
|
|
path =
|
|
case type
|
|
when :shader
|
|
File.join(runtime_path, "shaders", name)
|
|
else
|
|
raise "Unknown runtime type: #{type.inspect}"
|
|
end
|
|
if File.exists?(path)
|
|
path
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|