diff options
Diffstat (limited to 'crawl-ref/source/tilereg.cc')
| -rw-r--r-- | crawl-ref/source/tilereg.cc | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/crawl-ref/source/tilereg.cc b/crawl-ref/source/tilereg.cc index 9193ea8749..700f1caeed 100644 --- a/crawl-ref/source/tilereg.cc +++ b/crawl-ref/source/tilereg.cc @@ -1783,7 +1783,7 @@ void MapRegion::render() m_buf_lines.draw(); } -void MapRegion::update_offsets() +void MapRegion::recenter() { // adjust offsets to center map ox = (wx - dx * (m_max_gx - m_min_gx)) / 2; @@ -1805,7 +1805,38 @@ void MapRegion::set(int gx, int gy, map_feature f) m_min_gy = std::min(m_min_gy, gy); m_max_gy = std::max(m_max_gy, gy); - update_offsets(); + recenter(); +} + +void MapRegion::update_bounds() +{ + int min_gx = m_min_gx; + int max_gx = m_max_gx; + int min_gy = m_min_gy; + int max_gy = m_max_gy; + + m_min_gx = GXM; + m_max_gx = 0; + m_min_gy = GYM; + m_max_gy = 0; + + for (int x = min_gx; x <= max_gx; x++) + { + for (int y = min_gy; y <= max_gy; y++) + { + map_feature f = (map_feature)m_buf[x + y * mx]; + if (f == MF_UNSEEN) + continue; + + m_min_gx = std::min(m_min_gx, x); + m_max_gx = std::max(m_max_gx, x); + m_min_gy = std::min(m_min_gy, y); + m_max_gy = std::max(m_max_gy, y); + } + } + + recenter(); + m_dirty = true; } void MapRegion::set_window(const coord_def &start, const coord_def &end) @@ -1828,7 +1859,7 @@ void MapRegion::clear() m_win_end.x = -1; m_win_end.y = -1; - update_offsets(); + recenter(); if (m_buf) memset(m_buf, 0, sizeof(*m_buf) * mx * my); |