Function LoadTuningIfNeeded

engine/Poseidon/Dev/Debug/DebugOverlay.cpp:141–188

static const char* const kRoleAliases[5] = {"steelfishb", "tahomab", "couriernewb", "garamond", "audreyshand"};

void LoadTuningIfNeeded()
{
    if (s_tuning.loaded)
        return;
    // Parse the dump to fill renderPx / widthScale for each role.
    // Format per line: '  {"prefix", "ttfPath", maxH, renderPx, widthScalef, oblique},'
    const char* dump = DumpFontTable();
    for (int r = 0; r < 5; r++)
    {
        s_tuning.roles[r].prefix = kRolePrefixes[r];
        s_tuning.roles[r].alias = kRoleAliases[r];
        s_tuning.roles[r].renderPx = 24;
        s_tuning.roles[r].widthScale = 1.0f;
        s_tuning.roles[r].baselineOffset = 0.0f;
        s_tuning.roles[r].syntheticBold = 0.0f;
        s_tuning.roles[r].letterSpacing = 0.0f;
        char needle[64];
        snprintf(needle, sizeof(needle), "{\"%s\",", kRolePrefixes[r]);
        const char* p = strstr(dump, needle);
        if (!p)
            continue;
        // Skip past prefix + ttfPath + maxH by counting commas.  DumpFontTable
        // emits:  prefix, ttfPath, maxH, renderPx, widthScalef, obliqueBool,
        //         baselineOffsetf, syntheticBoldf, letterSpacingf
        int commas = 0;
        const char* q = p;
        while (*q && commas < 3)
        {
            if (*q == ',')
                commas++;
            q++;
        }
        // q now points just after the 3rd comma — next is space + renderPx
        int rpx = 0;
        float ws = 1.0f;
        char oblique[16] = "false";
        float baseline = 0.0f, bold = 0.0f, spacing = 0.0f;
        if (sscanf(q, " %d, %ff, %15[^,], %ff, %ff, %ff", &rpx, &ws, oblique, &baseline, &bold, &spacing) >= 2)
        {
            s_tuning.roles[r].renderPx = rpx;
            s_tuning.roles[r].widthScale = ws;
            s_tuning.roles[r].baselineOffset = baseline;
            s_tuning.roles[r].syntheticBold = bold;
            s_tuning.roles[r].letterSpacing = spacing;
        }
    }
    s_tuning.loaded = true;
}

void DrawFontTab()
{