feat: New world options + Request Gun Van anywhere (#2393)

+ World -> Gravity Editor (with presets for ease of use)
+ World -> Waypoint Beacon
+ World -> Objective Beacon
+ World -> Time And Weather -> Ground Snow
+ Self -> Mobile -> Request Gun Van (spawns the gun van right in front of you no matter where you are)

src/views/world/view_gravity.cpp

@@ -0,0 +1,22 @@
+#include "views/view.hpp"
+#include "core/data/gravity_presets.hpp"
+
+namespace big
+{
+	void view::gravity()
+	{
+		components::command_checkbox<"modifygravity">();
+
+		if (g.world.gravity.modify_gravity)
+		{
+			ImGui::SliderFloat("GRAVITY_LEVEL"_T.data(), &g.world.gravity.current_gravity, 0.f, 1000.f, "%.1f");
+
+			static int selected_lunar_preset = 0;
+
+			if (ImGui::Combo("GRAVITY_LUNAR_PRESETS"_T.data(), &selected_lunar_preset, gravity_presets.data(), gravity_presets.size()))
+			{
+				g.world.gravity.current_gravity = gravity_preset_values[selected_lunar_preset];
+			}
+		}
+	}
+}

src/views/world/view_time_and_weather.cpp

@@ -40,5 +40,7 @@ namespace big
 		}
 
 		components::command_checkbox<"blackout">();
+
+		components::command_checkbox<"groundsnow">();
 	}
 }

src/views/world/view_waypoint_and_objective.cpp

@@ -0,0 +1,17 @@
+#include "views/view.hpp"
+
+namespace big
+{
+	void view::waypoint_and_objective()
+	{
+		components::command_checkbox<"waypointbeacon">();
+
+		if (g.world.waypoint_n_objective.waypoint_beacon)
+			ImGui::ColorPicker3("VIEW_BEACON_WAYPOINT_COLOR"_T.data(), g.world.waypoint_n_objective.waypoint_beacon_color, ImGuiColorEditFlags_NoDragDrop | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_DisplayHex);
+
+		components::command_checkbox<"objectivebeacon">();
+
+		if (g.world.waypoint_n_objective.objective_beacon)
+			ImGui::ColorPicker3("VIEW_BEACON_OBJECTIVE_COLOR"_T.data(), g.world.waypoint_n_objective.objective_beacon_color, ImGuiColorEditFlags_NoDragDrop | ImGuiColorEditFlags_NoOptions | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_DisplayHex);
+	}
+}

src/views/world/view_world.cpp

@@ -14,11 +14,21 @@ namespace big
 			view::time_and_weather();
 		}
 
+		ImGui::SeparatorText("GUI_TAB_GRAVITY"_T.data());
+		{
+			view::gravity();
+		}
+
 		ImGui::SeparatorText("GUI_TAB_OCEAN"_T.data());
 		{
 			view::ocean();
 		}
 
+		ImGui::SeparatorText("GUI_TAB_WAYPOINT_N_OBJECTIVE"_T.data());
+		{
+			view::waypoint_and_objective();
+		}
+
 		ImGui::SeparatorText("PED"_T.data());
 
 		components::button<ImVec2(110, 0), ImVec4(0.70196f, 0.3333f, 0.00392f, 1.f)>("VIEW_DEBUG_THREADS_KILL"_T, [] {