Added new ESC command rand_global.

addons/escoria-core/game/core-scripts/esc/commands/rand_global.gd

@@ -0,0 +1,48 @@
+# `rand_global name max_value`
+#
+# Fills the "name" global with a random value between 0 and max-value-1.
+#
+# @ESC
+extends ESCBaseCommand
+class_name RandGlobalCommand
+
+
+# Return the descriptor of the arguments of this command
+func configure() -> ESCCommandArgumentDescriptor:
+	return ESCCommandArgumentDescriptor.new(
+		2, 
+		[TYPE_STRING, TYPE_INT],
+		[null, 1]
+	)
+
+
+# Validate wether the given arguments match the command descriptor
+func validate(arguments: Array):
+	if not escoria.globals_manager.has(arguments[0]):
+		escoria.logger.report_errors(
+			"inc_global: invalid global",
+			[
+				"Global %s does not exist." % arguments[0]
+			]
+		)
+		return false
+	if not escoria.globals_manager.get(arguments[0]) is int:
+		escoria.logger.report_errors(
+			"inc_global: invalid global",
+			[
+				"Global %s didn't have an integer value." % arguments[0]
+			]
+		)
+		return false
+	return .validate(arguments)
+
+
+# Run the command
+func run(command_params: Array) -> int:
+	randomize()
+	var rnd = randi() % command_params[1]
+	escoria.globals_manager.set_global(
+		command_params[0], 
+		rnd
+	)
+	return ESCExecution.RC_OK