render and server locale parity fixes

extension/tests/port_app_loop_test.cpp

@@ -154,6 +154,26 @@ static void drawing_primitives()
 		graphic.RenderCoolTimeBox(100, 100, 10, 1.0f);
 		CHECK(commands.empty());
 
+		// A cooldown triangle crossing the viewport must have clipped vertices, not only a clipped bbox.
+		UIRenderSetClip(95, 95, 10, 10);
+		graphic.RenderCoolTimeBox(100, 100, 10, 0.25f);
+		CHECK(!commands.empty());
+		bool touched_clip_edge = false;
+		for (const auto& command : commands)
+		{
+			CHECK(command.kind == UIRenderCommand::Bar && command.quad);
+			for (int vertex = 0; vertex < 3; ++vertex)
+			{
+				CHECK(command.qx[vertex] >= 95 && command.qx[vertex] <= 105);
+				CHECK(command.qy[vertex] >= 95 && command.qy[vertex] <= 105);
+				touched_clip_edge |= near(command.qx[vertex], 95) || near(command.qx[vertex], 105) ||
+				                     near(command.qy[vertex], 95) || near(command.qy[vertex], 105);
+			}
+		}
+		CHECK(touched_clip_edge);
+		UIRenderRestoreClip();
+		UIRenderBeginFrame();
+
 		// CPythonGraphic::SetViewport also clips the UI commands to the viewport until RestoreViewport.
 		graphic.SetViewport(10, 20, 30, 40);
 		screen.RenderBar2d(0, 0, 5, 5);