1 files changed, 52 insertions, 0 deletions
diff --git a/extension/src/openvic-extension/classes/GFXIconTexture.hpp b/extension/src/openvic-extension/classes/GFXIconTexture.hpp
new file mode 100644
index 0000000..3ed5b3e
--- /dev/null
+++ b/extension/src/openvic-extension/classes/GFXIconTexture.hpp
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <godot_cpp/classes/atlas_texture.hpp>
+
+#include <openvic-simulation/interface/GFX.hpp>
+
+namespace OpenVic {
+	class GFXIconTexture : public godot::AtlasTexture {
+		GDCLASS(GFXIconTexture, godot::AtlasTexture)
+
+		/* PROPERTY automatically defines getter functions:
+		 * - get_gfx_texture_sprite
+		 * - get_icon_index
+		 * - get_icon_count */
+		GFX::TextureSprite const* PROPERTY(gfx_texture_sprite);
+		GFX::frame_t PROPERTY(icon_index);
+		GFX::frame_t PROPERTY(icon_count);
+
+	protected:
+		static void _bind_methods();
+
+	public:
+		GFXIconTexture();
+
+		static godot::Ref<GFXIconTexture> make_gfx_icon_texture(
+			GFX::TextureSprite const* gfx_texture_sprite, GFX::frame_t icon = GFX::NO_FRAMES
+		);
+
+		/* Discard the GFX::TextureSprite, atlas texture and icon index. */
+		void clear();
+
+		/* Set the GFX::TextureSprite, load its texture as an atlas and set its displayed icon */
+		godot::Error set_gfx_texture_sprite(
+			GFX::TextureSprite const* new_gfx_texture_sprite, GFX::frame_t icon = GFX::NO_FRAMES
+		);
+
+		/* Search for a GFX::TextureSprite with the specfied name and,
+		 * if successful, call set_gfx_texture_sprite to set it and its icon */
+		godot::Error set_gfx_texture_sprite_name(
+			godot::String const& gfx_texture_sprite_name, GFX::frame_t icon = GFX::NO_FRAMES
+		);
+
+		/* Return the name of the GFX::TextureSprite, or an empty String if it's null */
+		godot::String get_gfx_texture_sprite_name() const;
+
+		/* Set icon_index to a value between one and icon_count (inclusive), and update the AtlasTexture's region
+		 * to display that frame. An index of zero can be used if gfx_texture_sprite has no frames (zero icon_count).
+		 * If zero is used but icon_count is non-zero, icon_index defaults to icon_count (the last frame,
+		 * not the first frame because it is often empty). */
+		godot::Error set_icon_index(GFX::frame_t new_icon_index);
+	};
+}