Simple example of Godot querying and updating the state of a C++ object

3 files changed, 105 insertions, 0 deletions

diff --git a/game/src/MainMenu.gd b/game/src/MainMenu.gd
index a9cdf10..82b7b2f 100644
--- a/game/src/MainMenu.gd
+++ b/game/src/MainMenu.gd
@@ -16,6 +16,7 @@ func _ready():
 
 func _on_new_game_button_pressed():
 	print("Start a new game!")
+	get_tree().change_scene_to_file("res://src/SampleGame.tscn")
 
 
 func _on_continue_button_pressed():
diff --git a/game/src/SampleGame.gd b/game/src/SampleGame.gd
new file mode 100644
index 0000000..0e3a61d
--- /dev/null
+++ b/game/src/SampleGame.gd
@@ -0,0 +1,40 @@
+extends Control
+
+var selectedId = 0
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	updateVisibleInfo()
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+#func _process(delta):
+#	pass
+
+
+func updateVisibleInfo():
+	$CenterContainer/VBoxContainer2/GridContainer/ProvinceNumDisplay.text = str(selectedId)
+	$CenterContainer/VBoxContainer2/GridContainer/ProvinceSizeDisplay.text = str(Simulation.queryProvinceSize(selectedId))
+
+
+func _on_pass_time_button_pressed():
+	Simulation.conductSimulationStep()
+	updateVisibleInfo()
+
+
+func _on_next_prov_button_pressed():
+	selectedId = (selectedId + 1) % 10
+	updateVisibleInfo()
+
+
+func _on_prev_prov_button_pressed():
+	if selectedId == 0:
+		selectedId = 9
+	else:
+		selectedId -= 1
+	updateVisibleInfo()
+
+
+func _on_to_main_menu_pressed():
+	get_tree().change_scene_to_file("res://src/MainMenu.tscn")
diff --git a/game/src/SampleGame.tscn b/game/src/SampleGame.tscn
new file mode 100644
index 0000000..8221857
--- /dev/null
+++ b/game/src/SampleGame.tscn
@@ -0,0 +1,64 @@
+[gd_scene load_steps=2 format=3 uid="uid://bgnupcshe1m7r"]
+
+[ext_resource type="Script" path="res://src/SampleGame.gd" id="1_eklvp"]
+
+[node name="SampleGame" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_eklvp")
+
+[node name="CenterContainer" type="CenterContainer" parent="."]
+layout_mode = 0
+offset_right = 1152.0
+offset_bottom = 648.0
+
+[node name="VBoxContainer2" type="VBoxContainer" parent="CenterContainer"]
+layout_mode = 2
+
+[node name="GridContainer" type="GridContainer" parent="CenterContainer/VBoxContainer2"]
+layout_mode = 2
+columns = 2
+
+[node name="ProvenceLabel" type="Label" parent="CenterContainer/VBoxContainer2/GridContainer"]
+layout_mode = 2
+text = "Viewing Province #:"
+horizontal_alignment = 2
+
+[node name="ProvinceNumDisplay" type="Label" parent="CenterContainer/VBoxContainer2/GridContainer"]
+layout_mode = 2
+
+[node name="ProvinceSizeLabel" type="Label" parent="CenterContainer/VBoxContainer2/GridContainer"]
+layout_mode = 2
+text = "Province Size:"
+horizontal_alignment = 2
+
+[node name="ProvinceSizeDisplay" type="Label" parent="CenterContainer/VBoxContainer2/GridContainer"]
+layout_mode = 2
+
+[node name="VBoxContainer" type="VBoxContainer" parent="CenterContainer/VBoxContainer2"]
+layout_mode = 2
+
+[node name="PassTimeButton" type="Button" parent="CenterContainer/VBoxContainer2/VBoxContainer"]
+layout_mode = 2
+text = "Pass Time"
+
+[node name="NextProvButton" type="Button" parent="CenterContainer/VBoxContainer2/VBoxContainer"]
+layout_mode = 2
+text = "View Next Province"
+
+[node name="PrevProvButton" type="Button" parent="CenterContainer/VBoxContainer2/VBoxContainer"]
+layout_mode = 2
+text = "View Previous Province"
+
+[node name="ToMainMenu" type="Button" parent="CenterContainer/VBoxContainer2/VBoxContainer"]
+layout_mode = 2
+text = "Exit to Main Menu"
+
+[connection signal="pressed" from="CenterContainer/VBoxContainer2/VBoxContainer/PassTimeButton" to="." method="_on_pass_time_button_pressed"]
+[connection signal="pressed" from="CenterContainer/VBoxContainer2/VBoxContainer/NextProvButton" to="." method="_on_next_prov_button_pressed"]
+[connection signal="pressed" from="CenterContainer/VBoxContainer2/VBoxContainer/PrevProvButton" to="." method="_on_prev_prov_button_pressed"]
+[connection signal="pressed" from="CenterContainer/VBoxContainer2/VBoxContainer/ToMainMenu" to="." method="_on_to_main_menu_pressed"]