feat: show party member dots on world map with name labels and class colors

include/rendering/world_map.hpp

@@ -3,6 +3,7 @@
 #include <vulkan/vulkan.h>
 #include <vk_mem_alloc.h>
 #include <glm/glm.hpp>
+#include <cstdint>
 #include <memory>
 #include <string>
 #include <unordered_map>
@@ -17,6 +18,13 @@ class VkContext;
 class VkTexture;
 class VkRenderTarget;
 
+/// Party member dot passed in from the UI layer for world map overlay.
+struct WorldMapPartyDot {
+    glm::vec3 renderPos;   ///< Position in render-space coordinates
+    uint32_t  color;       ///< RGBA packed color (IM_COL32 format)
+    std::string name;      ///< Member name (shown as tooltip on hover)
+};
+
 struct WorldMapZone {
     uint32_t wmaID = 0;
     uint32_t areaID = 0;       // 0 = continent level
@@ -47,6 +55,7 @@ public:
 
     void setMapName(const std::string& name);
     void setServerExplorationMask(const std::vector<uint32_t>& masks, bool hasData);
+    void setPartyDots(std::vector<WorldMapPartyDot> dots) { partyDots_ = std::move(dots); }
     bool isOpen() const { return open; }
     void close() { open = false; }
 
@@ -113,6 +122,9 @@ private:
     // Texture storage (owns all VkTexture objects for zone tiles)
     std::vector<std::unique_ptr<VkTexture>> zoneTextures;
 
+    // Party member dots (set each frame from the UI layer)
+    std::vector<WorldMapPartyDot> partyDots_;
+
     // Exploration / fog of war
     std::vector<uint32_t> serverExplorationMask;
     bool hasServerExplorationMask = false;

src/rendering/world_map.cpp

@@ -1017,6 +1017,33 @@ void WorldMap::renderImGuiOverlay(const glm::vec3& playerRenderPos, int screenWi
             }
         }
 
+        // Party member dots
+        if (currentIdx >= 0 && viewLevel != ViewLevel::WORLD) {
+            ImFont* font = ImGui::GetFont();
+            for (const auto& dot : partyDots_) {
+                glm::vec2 uv = renderPosToMapUV(dot.renderPos, currentIdx);
+                if (uv.x < 0.0f || uv.x > 1.0f || uv.y < 0.0f || uv.y > 1.0f) continue;
+                float px = imgMin.x + uv.x * displayW;
+                float py = imgMin.y + uv.y * displayH;
+                drawList->AddCircleFilled(ImVec2(px, py), 5.0f, dot.color);
+                drawList->AddCircle(ImVec2(px, py), 5.0f, IM_COL32(0, 0, 0, 200), 0, 1.5f);
+                // Name tooltip on hover
+                if (!dot.name.empty()) {
+                    ImVec2 mp = ImGui::GetMousePos();
+                    float dx = mp.x - px, dy = mp.y - py;
+                    if (dx * dx + dy * dy <= 49.0f) {  // radius 7 px hit area
+                        ImGui::SetTooltip("%s", dot.name.c_str());
+                    }
+                    // Draw name label above the dot
+                    ImVec2 nameSz = font->CalcTextSizeA(ImGui::GetFontSize(), FLT_MAX, 0.0f, dot.name.c_str());
+                    float tx = px - nameSz.x * 0.5f;
+                    float ty = py - nameSz.y - 7.0f;
+                    drawList->AddText(ImVec2(tx + 1.0f, ty + 1.0f), IM_COL32(0, 0, 0, 180), dot.name.c_str());
+                    drawList->AddText(ImVec2(tx, ty), IM_COL32(255, 255, 255, 220), dot.name.c_str());
+                }
+            }
+        }
+
         // Hover coordinate display — show WoW coordinates under cursor
         if (currentIdx >= 0 && viewLevel != ViewLevel::WORLD) {
             auto& io = ImGui::GetIO();

src/ui/game_screen.cpp

@@ -6139,6 +6139,31 @@ void GameScreen::renderWorldMap(game::GameHandler& gameHandler) {
         gameHandler.getPlayerExploredZoneMasks(),
         gameHandler.hasPlayerExploredZoneMasks());
 
+    // Party member dots on world map
+    {
+        std::vector<rendering::WorldMapPartyDot> dots;
+        if (gameHandler.isInGroup()) {
+            const auto& partyData = gameHandler.getPartyData();
+            for (const auto& member : partyData.members) {
+                if (!member.isOnline || !member.hasPartyStats) continue;
+                if (member.posX == 0 && member.posY == 0) continue;
+                // posY → canonical X (north), posX → canonical Y (west)
+                float wowX = static_cast<float>(member.posY);
+                float wowY = static_cast<float>(member.posX);
+                glm::vec3 rpos = core::coords::canonicalToRender(glm::vec3(wowX, wowY, 0.0f));
+                auto ent = gameHandler.getEntityManager().getEntity(member.guid);
+                uint8_t cid = entityClassId(ent.get());
+                ImU32 col = (cid != 0)
+                    ? classColorU32(cid, 230)
+                    : (member.guid == partyData.leaderGuid
+                       ? IM_COL32(255, 210, 0, 230)
+                       : IM_COL32(100, 180, 255, 230));
+                dots.push_back({ rpos, col, member.name });
+            }
+        }
+        wm->setPartyDots(std::move(dots));
+    }
+
     glm::vec3 playerPos = renderer->getCharacterPosition();
     auto* window = app.getWindow();
     int screenW = window ? window->getWidth() : 1280;