Merge pull request #166 from OpenVicProject/gui

GUI elements -> Godot UI nodes generator

1 files changed, 112 insertions, 0 deletions

diff --git a/extension/src/openvic-extension/classes/GFXIconTexture.cpp b/extension/src/openvic-extension/classes/GFXIconTexture.cpp
new file mode 100644
index 0000000..9edfb1b
--- /dev/null
+++ b/extension/src/openvic-extension/classes/GFXIconTexture.cpp
@@ -0,0 +1,112 @@
+#include "GFXIconTexture.hpp"
+
+#include <godot_cpp/variant/utility_functions.hpp>
+
+#include "openvic-extension/singletons/AssetManager.hpp"
+#include "openvic-extension/singletons/GameSingleton.hpp"
+#include "openvic-extension/utility/ClassBindings.hpp"
+#include "openvic-extension/utility/Utilities.hpp"
+
+using namespace godot;
+using namespace OpenVic;
+
+using OpenVic::Utilities::std_view_to_godot_string;
+using OpenVic::Utilities::std_view_to_godot_string_name;
+
+void GFXIconTexture::_bind_methods() {
+	OV_BIND_METHOD(GFXIconTexture::clear);
+
+	OV_BIND_METHOD(GFXIconTexture::set_gfx_texture_sprite_name, { "gfx_texture_sprite_name" }, DEFVAL(GFX::NO_FRAMES));
+	OV_BIND_METHOD(GFXIconTexture::get_gfx_texture_sprite_name);
+
+	OV_BIND_METHOD(GFXIconTexture::set_icon_index, { "new_icon_index" });
+	OV_BIND_METHOD(GFXIconTexture::get_icon_index);
+	OV_BIND_METHOD(GFXIconTexture::get_icon_count);
+
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "icon_index"), "set_icon_index", "get_icon_index");
+}
+
+GFXIconTexture::GFXIconTexture()
+	: gfx_texture_sprite { nullptr }, icon_index { GFX::NO_FRAMES }, icon_count { GFX::NO_FRAMES } {}
+
+Ref<GFXIconTexture> GFXIconTexture::make_gfx_icon_texture(GFX::TextureSprite const* gfx_texture_sprite, GFX::frame_t icon) {
+	Ref<GFXIconTexture> icon_texture;
+	icon_texture.instantiate();
+	ERR_FAIL_NULL_V(icon_texture, icon_texture);
+	icon_texture->set_gfx_texture_sprite(gfx_texture_sprite, icon);
+	return icon_texture;
+}
+
+void GFXIconTexture::clear() {
+	gfx_texture_sprite = nullptr;
+	set_atlas(nullptr);
+	set_region({});
+	icon_index = GFX::NO_FRAMES;
+	icon_count = GFX::NO_FRAMES;
+}
+
+Error GFXIconTexture::set_gfx_texture_sprite(GFX::TextureSprite const* new_gfx_texture_sprite, GFX::frame_t icon) {
+	if (gfx_texture_sprite != new_gfx_texture_sprite) {
+		if (new_gfx_texture_sprite == nullptr) {
+			clear();
+			return OK;
+		}
+		AssetManager* asset_manager = AssetManager::get_singleton();
+		ERR_FAIL_NULL_V(asset_manager, FAILED);
+		const StringName texture_file = std_view_to_godot_string_name(new_gfx_texture_sprite->get_texture_file());
+		const Ref<ImageTexture> texture = asset_manager->get_texture(texture_file);
+		ERR_FAIL_NULL_V_MSG(texture, FAILED, "Failed to load texture: " + texture_file);
+		gfx_texture_sprite = new_gfx_texture_sprite;
+		set_atlas(texture);
+		icon_index = GFX::NO_FRAMES;
+		icon_count = gfx_texture_sprite->get_no_of_frames();
+	}
+	return set_icon_index(icon);
+}
+
+Error GFXIconTexture::set_gfx_texture_sprite_name(String const& gfx_texture_sprite_name, GFX::frame_t icon) {
+	if (gfx_texture_sprite_name.is_empty()) {
+		return set_gfx_texture_sprite(nullptr);
+	}
+	GameSingleton* game_singleton = GameSingleton::get_singleton();
+	ERR_FAIL_NULL_V(game_singleton, FAILED);
+	GFX::Sprite const* sprite = game_singleton->get_gfx_sprite(gfx_texture_sprite_name);
+	ERR_FAIL_NULL_V_MSG(sprite, FAILED, "GFX sprite not found: " + gfx_texture_sprite_name);
+	GFX::TextureSprite const* new_texture_sprite = sprite->cast_to<GFX::TextureSprite>();
+	ERR_FAIL_NULL_V_MSG(
+		new_texture_sprite, FAILED, "Invalid type for GFX sprite " + gfx_texture_sprite_name + ": " +
+		std_view_to_godot_string(sprite->get_type()) + " (expected " +
+		std_view_to_godot_string(GFX::TextureSprite::get_type_static()) + ")"
+	);
+	return set_gfx_texture_sprite(new_texture_sprite, icon);
+}
+
+String GFXIconTexture::get_gfx_texture_sprite_name() const {
+	return gfx_texture_sprite != nullptr ? std_view_to_godot_string(gfx_texture_sprite->get_name()) : String {};
+}
+
+Error GFXIconTexture::set_icon_index(int32_t new_icon_index) {
+	const Ref<Texture2D> atlas_texture = get_atlas();
+	ERR_FAIL_NULL_V(atlas_texture, FAILED);
+	const Vector2 size = atlas_texture->get_size();
+	if (icon_count <= GFX::NO_FRAMES) {
+		if (new_icon_index > GFX::NO_FRAMES) {
+			UtilityFunctions::push_warning("Invalid icon index ", new_icon_index, " for texture with no frames!");
+		}
+		icon_index = GFX::NO_FRAMES;
+		set_region({ {}, size });
+		return OK;
+	}
+	if (GFX::NO_FRAMES < new_icon_index && new_icon_index <= icon_count) {
+		icon_index = new_icon_index;
+	} else {
+		icon_index = icon_count;
+		if (new_icon_index > icon_count) {
+			UtilityFunctions::push_warning(
+				"Invalid icon index ", new_icon_index, " out of count ", icon_count, " - defaulting to ", icon_index
+			);
+		}
+	}
+	set_region({ (icon_index - 1) * size.x / icon_count, 0, size.x / icon_count, size.y });
+	return OK;
+}