Added button state textures + block colour progress bars

1 files changed, 46 insertions, 0 deletions

diff --git a/extension/src/openvic-extension/classes/GFXButtonStateTexture.hpp b/extension/src/openvic-extension/classes/GFXButtonStateTexture.hpp
new file mode 100644
index 0000000..32f4087
--- /dev/null
+++ b/extension/src/openvic-extension/classes/GFXButtonStateTexture.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <godot_cpp/classes/image_texture.hpp>
+
+#include <openvic-simulation/utility/Getters.hpp>
+
+namespace OpenVic {
+	class GFXButtonStateTexture : public godot::ImageTexture {
+		GDCLASS(GFXButtonStateTexture, godot::ImageTexture)
+
+	public:
+		enum ButtonState {
+			HOVER,
+			PRESSED,
+			DISABLED
+		};
+
+	private:
+		ButtonState PROPERTY(button_state);
+		godot::Ref<godot::Image> state_image;
+
+	protected:
+		static void _bind_methods();
+
+	public:
+		GFXButtonStateTexture();
+
+		/* Create a GFXButtonStateTexture using the specified godot::Image. Returns nullptr if generate_state_image fails. */
+		static godot::Ref<GFXButtonStateTexture> make_gfx_button_state_texture(
+			ButtonState button_state, godot::Ref<godot::Image> const& source_image = nullptr
+		);
+
+		/* Set the ButtonState to be generated by this class (calling this does not trigger state image generation). */
+		void set_button_state(ButtonState new_button_state);
+
+		/* Generate a modified version of source_image and update the underlying godot::ImageTexture to use it. */
+		godot::Error generate_state_image(godot::Ref<godot::Image> const& source_image);
+
+		static godot::StringName const& get_generate_state_image_func_name();
+
+		static godot::StringName const& button_state_to_theme_name(ButtonState button_state);
+		godot::StringName const& get_button_state_theme() const;
+	};
+}
+
+VARIANT_ENUM_CAST(OpenVic::GFXButtonStateTexture::ButtonState);