ruby: link libruby, fix stuff, it works

plugins/ruby/CMakeLists.txt

@@ -2,6 +2,8 @@ find_package(Ruby)
 if(RUBY_FOUND)
     include_directories("${dfhack_SOURCE_DIR}/depends/tthread" ${RUBY_INCLUDE_PATH})
     DFHACK_PLUGIN(ruby ruby.cpp LINK_LIBRARIES dfhack-tinythread)
+    target_link_libraries(ruby ${RUBY_LIBRARY})
+    install(FILES ruby.rb DESTINATION ${DFHACK_LIBRARY_DESTINATION})
 else(RUBY_FOUND)
     MESSAGE(STATUS "Required library (ruby) not found - ruby plugin can't be built.")
 endif(RUBY_FOUND)

plugins/ruby/ruby.cpp

@@ -44,6 +44,7 @@ DFHACK_PLUGIN("ruby")
 
 DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
 {
+out.print("plugin_init\n");
     m_irun = new tthread::mutex();
     m_mutex = new tthread::mutex();
     r_type = RB_INIT;
@@ -72,6 +73,7 @@ DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <Plug
                 "Ruby interpreter dev. Eval() a ruby string.",
                 df_rubyeval));
 
+out.print("plugin_init done\n");
     return CR_OK;
 }
 
@@ -521,6 +523,7 @@ static void ruby_bind_world(void) {
     rb_c_world_T_units = rb_define_class_under(rb_c_world, "T_units", rb_c_WrapData);
 
     rb_define_method(rb_c_world, "units", RUBY_METHOD_FUNC(rb_m_world_units), 0);
+    rb_define_method(rb_c_world_T_units, "all", RUBY_METHOD_FUNC(rb_m_world_T_units_all), 0);
 }
 
 static VALUE rb_global_world(VALUE self) {
@@ -603,7 +606,7 @@ static void ruby_bind_dfhack(void) {
 
     // load the default ruby-level definitions
     int state=0;
-    rb_load_protect(rb_str_new2("./hack/plugins/ruby.rb"), Qfalse, &state);
+    rb_load_protect(rb_str_new2("./hack/ruby.rb"), Qfalse, &state);
     if (state)
         dump_rb_error();
 }

plugins/ruby/ruby.rb

@@ -1,43 +1,43 @@
 module DFHack
-	def suspend
-		if block_given?
-			begin
-				do_suspend
-				yield
-			ensure
-				resume
-			end
-		else
-			do_suspend
-		end
-	end
-
-	def puts(*a)
-		a.flatten.each { |l|
-			print_str(l.to_s.chomp + "\n")
-		}
-	end
-
-	def puts_err(*a)
-		a.flatten.each { |l|
-			print_err(l.to_s.chomp + "\n")
-		}
-	end
-
-	def test
-		puts "starting"
-
-		suspend {
-			c = cursor
-			puts "cursor pos: #{c.x} #{c.y} #{c.z}"
-
-			puts "unit[0] id: #{world.units.all[0].id}"
-		}
-
-		puts "done"
-	end
-end
-
+    class << self
+        def suspend
+            if block_given?
+                begin
+                    do_suspend
+                    yield
+                ensure
+                    resume
+                end
+            else
+                do_suspend
+            end
+        end
+
+        def puts(*a)
+            a.flatten.each { |l|
+                print_str(l.to_s.chomp + "\n")
+            }
+        end
+
+        def puts_err(*a)
+            a.flatten.each { |l|
+                print_err(l.to_s.chomp + "\n")
+            }
+        end
+
+        def test
+            puts "starting"
+
+            suspend {
+                c = cursor
+                puts "cursor pos: #{c.x} #{c.y} #{c.z}"
+
+                puts "unit[0] id: #{world.units.all[0].id}"
+            }
+
+            puts "done"
+        end
+    end
 end
 
 # load user-specified startup file