diff options
Diffstat (limited to 'main/draw.cpp')
| -rw-r--r-- | main/draw.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/main/draw.cpp b/main/draw.cpp index 40e438c6..909dc13f 100644 --- a/main/draw.cpp +++ b/main/draw.cpp @@ -114,6 +114,22 @@ auto main_impl::get_draw_bounds() const noexcept -> draw_bounds return {x0, x1, y0, y1}; } +void main_impl::draw_lights_for_chunk(chunk& c, chunk_coords_ ch, Vector2b neighbor_offset) noexcept +{ +} + +void main_impl::draw_lights(chunk& c, chunk_coords_ ch, const std::array<chunk*, 8>& ns) noexcept +{ + for (auto i = 0uz; i < 8; i++) + if (ns[i] != nullptr) + { + auto off = world::neighbor_offsets[i]; + draw_lights_for_chunk(*ns[i], ch + off, off); + } + + draw_lights_for_chunk(c, ch, {}); +} + void main_impl::draw_world() noexcept { const auto [z_min, z_max, z_cur, only] = app.get_z_bounds(); @@ -143,7 +159,16 @@ void main_impl::draw_world() noexcept auto* c_ = _world.at(ch); if (!c_) continue; + std::array<chunk*, 8> ns = {}; + for (auto i = 0uz; i < 8; i++) + { + auto off = world::neighbor_offsets[i]; + auto n = chunk_coords_{int16_t(x + off.x()), int16_t(y + off.y()), z}; + ns[i] = _world.at(n); + } auto& c = *c_; + draw_lights(c, ch, ns); + // tex = _lightmap_shader.texture(); // todo const with_shifted_camera_offset o{_shader, ch, {minx, miny}, {maxx, maxy}}; if (check_chunk_visible(_shader.camera_offset(), sz)) { |