From f9400723122f13bae7c7549235419154508e8dc2 Mon Sep 17 00:00:00 2001
From: Sara <sara@saragerretsen.nl>
Date: Wed, 19 Jun 2024 10:58:50 +0200
Subject: [PATCH] feat: implemented basic "can_see_target"

---
 src/unit_world_state.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/unit_world_state.cpp b/src/unit_world_state.cpp
index 785b515..62e42a1 100644
--- a/src/unit_world_state.cpp
+++ b/src/unit_world_state.cpp
@@ -1,6 +1,10 @@
 #include "unit_world_state.hpp"
 #include "unit.hpp"
 #include "utils/godot_macros.hpp"
+#include <godot_cpp/classes/physics_ray_query_parameters3d.hpp>
+#include <godot_cpp/classes/world3d.hpp>
+#include <godot_cpp/classes/physics_direct_space_state3d.hpp>
+#include <godot_cpp/variant/callable_method_pointer.hpp>
 #include <godot_cpp/variant/utility_functions.hpp>
 
 void UnitWorldState::_bind_methods() {
@@ -20,7 +24,10 @@ void UnitWorldState::_enter_tree() { GDGAMEONLY();
 }
 
 bool UnitWorldState::get_can_see_target() const {
-    return false;
+    gd::Transform3D const eyes = this->parent_unit->get_eye_transform();
+    gd::Transform3D const target = this->target_node->get_global_transform();
+    gd::Ref<gd::PhysicsRayQueryParameters3D> const query{gd::PhysicsRayQueryParameters3D::create(eyes.origin, target.origin, 0x1 | 0x4, {this->target_node})};
+    return this->parent_unit->get_world_3d()->get_direct_space_state()->intersect_ray(query).is_empty();
 }
 
 bool UnitWorldState::get_is_at_target() const {