refactor: create gui widget classes

include/render/WorldRenderer.h

@@ -1,9 +1,15 @@
 #pragma once
 
 #include "game/World.h"
+
 #include "render/Renderer.h"
 #include "render/VertexCache.h"
 
+#include "render/gui/TowerPlacePopup.h"
+#include "render/gui/MobTooltip.h"
+
+#include "render/gui/imgui/imgui.h"
+
 #include <glm/glm.hpp>
 
 namespace td {
@@ -31,6 +37,9 @@ private:
     float m_CamSensibility = 1;
     bool m_PopupOpened = false;
     VertexCache m_TowersCache;
+    
+    std::unique_ptr<gui::TowerPlacePopup> m_TowerPlacePopup;
+    std::unique_ptr<gui::MobTooltip> m_MobTooltip;
 public:
     WorldRenderer(game::World* world, client::ClientGame* client);
     ~WorldRenderer();
@@ -40,6 +49,8 @@ public:
     void addTower(game::TowerPtr tower);
     void removeTower(game::TowerPtr tower);
 
+    static ImVec4 getImGuiTeamColor(game::TeamColor color);
+
     void update();
     void render();
 
@@ -54,10 +65,10 @@ private:
     void renderMobs() const;
     void renderTileSelect() const;
     void renderPopups();
-    void renderTowerPlacePopup();
     void renderTowerUpgradePopup();
     void renderMobTooltip() const;
     void detectClick();
+    void detectMobHovering() const;
     glm::vec2 getCursorWorldPos() const;
     glm::vec2 getClickWorldPos() const;