gamestate: Add LineOfSight component.

Author: heinezen

libopenage/gamestate/component/api/CMakeLists.txt

@@ -1,6 +1,7 @@
 add_sources(libopenage
     apply_effect.cpp
     idle.cpp
+    line_of_sight.cpp
     live.cpp
     move.cpp
     resistance.cpp

libopenage/gamestate/component/api/line_of_sight.cpp

@@ -0,0 +1,12 @@
+// Copyright 2024-2024 the openage authors. See copying.md for legal info.
+
+#include "line_of_sight.h"
+
+
+namespace openage::gamestate::component {
+
+component_t LineOfSight::get_type() const {
+	return component_t::LINE_OF_SIGHT;
+}
+
+} // namespace openage::gamestate::component

libopenage/gamestate/component/api/line_of_sight.h

@@ -0,0 +1,18 @@
+// Copyright 2024-2024 the openage authors. See copying.md for legal info.
+
+#pragma once
+
+#include "gamestate/component/api_component.h"
+#include "gamestate/component/types.h"
+
+
+namespace openage::gamestate::component {
+
+class LineOfSight final : public APIComponent {
+public:
+	using APIComponent::APIComponent;
+
+	component_t get_type() const override;
+};
+
+} // namespace openage::gamestate::component

libopenage/gamestate/component/types.h

@@ -23,6 +23,7 @@ enum class component_t {
 	MOVE,
 	SELECTABLE,
 	LIVE,
+	LINE_OF_SIGHT,
 };
 
 } // namespace openage::gamestate::component

libopenage/gamestate/entity_factory.cpp

@@ -25,6 +25,7 @@
 #include "gamestate/api/activity.h"
 #include "gamestate/component/api/apply_effect.h"
 #include "gamestate/component/api/idle.h"
+#include "gamestate/component/api/line_of_sight.h"
 #include "gamestate/component/api/live.h"
 #include "gamestate/component/api/move.h"
 #include "gamestate/component/api/resistance.h"
@@ -221,6 +222,10 @@ void EntityFactory::init_components(const std::shared_ptr<openage::event::EventL
 			auto resistance = std::make_shared<component::Resistance>(loop, ability_obj);
 			entity->add_component(resistance);
 		}
+		else if (ability_parent == "engine.ability.type.LineOfSight") {
+			auto line_of_sight = std::make_shared<component::LineOfSight>(loop, ability_obj);
+			entity->add_component(line_of_sight);
+		}
 		else {
 			log::log(DBG << "Entity has unrecognized ability type: " << ability_parent);
 		}