I hyper-focued on refactoring again

- I put a cool-sounding "we are number one" remix on repeat and straight
  up grinded the entire repository to a better state until 03:09 AM. I
  guess I have something wrong in my brain that makes me do this shit

1 files changed, 42 insertions, 0 deletions

diff --git a/game/client/gui/crosshair.cc b/game/client/gui/crosshair.cc
new file mode 100644
index 0000000..729ede9
--- /dev/null
+++ b/game/client/gui/crosshair.cc
@@ -0,0 +1,42 @@
+#include "client/pch.hh"
+
+#include "client/gui/crosshair.hh"
+
+#include "core/math/constexpr.hh"
+#include "core/resource/resource.hh"
+
+#include "client/resource/texture_gui.hh"
+
+#include "client/globals.hh"
+#include "client/session.hh"
+
+static resource_ptr<TextureGUI> texture;
+
+void gui::crosshair::init(void)
+{
+    texture = resource::load<TextureGUI>(
+        "textures/gui/hud_crosshair.png", TEXTURE_GUI_LOAD_CLAMP_S | TEXTURE_GUI_LOAD_CLAMP_T | TEXTURE_GUI_LOAD_VFLIP);
+
+    if(texture == nullptr) {
+        spdlog::critical("crosshair: texture load failed");
+        std::terminate();
+    }
+}
+
+void gui::crosshair::shutdown(void)
+{
+    texture = nullptr;
+}
+
+void gui::crosshair::layout(void)
+{
+    auto viewport = ImGui::GetMainViewport();
+    auto draw_list = ImGui::GetForegroundDrawList();
+
+    auto scaled_width = math::max<int>(texture->size.x, globals::gui_scale * texture->size.x / 2);
+    auto scaled_height = math::max<int>(texture->size.y, globals::gui_scale * texture->size.y / 2);
+    auto start = ImVec2(
+        static_cast<int>(0.5f * viewport->Size.x) - (scaled_width / 2), static_cast<int>(0.5f * viewport->Size.y) - (scaled_height / 2));
+    auto end = ImVec2(start.x + scaled_width, start.y + scaled_height);
+    draw_list->AddImage(texture->handle, start, end);
+}