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feat: add zone name labels and hover coordinates to world map

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- Draw zone name text centered in each zone rect on the continent view;
  only rendered when the rect is large enough to fit the label without
  crowding (explored zones get gold text, unexplored get dim grey)
- Show WoW coordinates under the cursor when hovering the map image in
  continent or zone view, bottom-right corner of the map panel
This commit is contained in:
Kelsi 2026-03-12 07:45:51 -07:00
parent dd8e09c2d9
commit d9ce056e13
1 changed files with 52 additions and 0 deletions
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52
src/rendering/world_map.cpp
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@ -12,6 +12,7 @@
#include "core/logger.hpp"
#include <imgui.h>
#include <cmath>
#include <cstdio>
#include <algorithm>
#include <limits>
@ -1016,6 +1017,40 @@ void WorldMap::renderImGuiOverlay(const glm::vec3& playerRenderPos, int screenWi
}
}
// Hover coordinate display — show WoW coordinates under cursor
if (currentIdx >= 0 && viewLevel != ViewLevel::WORLD) {
auto& io = ImGui::GetIO();
ImVec2 mp = io.MousePos;
if (mp.x >= imgMin.x && mp.x <= imgMin.x + displayW &&
mp.y >= imgMin.y && mp.y <= imgMin.y + displayH) {
float mu = (mp.x - imgMin.x) / displayW;
float mv = (mp.y - imgMin.y) / displayH;
const auto& zone = zones[currentIdx];
float left = zone.locLeft, right = zone.locRight;
float top = zone.locTop, bottom = zone.locBottom;
if (zone.areaID == 0) {
float l, r, t, b;
getContinentProjectionBounds(currentIdx, l, r, t, b);
left = l; right = r; top = t; bottom = b;
// Undo the kVOffset applied during renderPosToMapUV for continent
constexpr float kVOffset = -0.15f;
mv -= kVOffset;
}
float hWowX = left - mu * (left - right);
float hWowY = top - mv * (top - bottom);
char coordBuf[32];
snprintf(coordBuf, sizeof(coordBuf), "%.0f, %.0f", hWowX, hWowY);
ImVec2 coordSz = ImGui::CalcTextSize(coordBuf);
float cx = imgMin.x + displayW - coordSz.x - 8.0f;
float cy = imgMin.y + displayH - coordSz.y - 8.0f;
drawList->AddText(ImVec2(cx + 1.0f, cy + 1.0f), IM_COL32(0, 0, 0, 180), coordBuf);
drawList->AddText(ImVec2(cx, cy), IM_COL32(220, 210, 150, 230), coordBuf);
}
}
// Continent view: clickable zone overlays
if (viewLevel == ViewLevel::CONTINENT && continentIdx >= 0) {
const auto& cont = zones[continentIdx];
@ -1080,6 +1115,23 @@ void WorldMap::renderImGuiOverlay(const glm::vec3& playerRenderPos, int screenWi
drawList->AddRect(ImVec2(sx0, sy0), ImVec2(sx1, sy1),
IM_COL32(255, 255, 255, 30), 0.0f, 0, 1.0f);
}
// Zone name label — only if the rect is large enough to fit it
if (!z.areaName.empty()) {
ImVec2 textSz = ImGui::CalcTextSize(z.areaName.c_str());
float rectW = sx1 - sx0;
float rectH = sy1 - sy0;
if (rectW > textSz.x + 4.0f && rectH > textSz.y + 2.0f) {
float tx = (sx0 + sx1) * 0.5f - textSz.x * 0.5f;
float ty = (sy0 + sy1) * 0.5f - textSz.y * 0.5f;
ImU32 labelCol = explored
? IM_COL32(255, 230, 150, 210)
: IM_COL32(160, 160, 160, 80);
drawList->AddText(ImVec2(tx + 1.0f, ty + 1.0f),
IM_COL32(0, 0, 0, 130), z.areaName.c_str());
drawList->AddText(ImVec2(tx, ty), labelCol, z.areaName.c_str());
}
}
}
}