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Fix map rendering glitches on camera offset update

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(regression)
This commit is contained in:
sfan5 2025-01-17 17:44:54 +01:00
parent f6a0bf915d
commit 94239153b5
1 changed files with 10 additions and 0 deletions
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10
src/client/clientmap.cpp
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@ -126,6 +126,7 @@ void CachedMeshBuffer::drop()
{
for (auto *it : buf)
it->drop();
buf.clear();
}
/*
@ -204,6 +205,7 @@ ClientMap::~ClientMap()
void ClientMap::updateCamera(v3f pos, v3f dir, f32 fov, v3s16 offset, video::SColor light_color)
{
v3s16 previous_camera_offset = m_camera_offset;
v3s16 previous_node = floatToInt(m_camera_position, BS) + m_camera_offset;
v3s16 previous_block = getContainerPos(previous_node, MAP_BLOCKSIZE);
@ -223,6 +225,13 @@ void ClientMap::updateCamera(v3f pos, v3f dir, f32 fov, v3s16 offset, video::SCo
// reorder transparent meshes when camera crosses node boundary
if (previous_node != current_node)
m_needs_update_transparent_meshes = true;
// drop merged mesh cache when camera offset changes
if (previous_camera_offset != m_camera_offset) {
for (auto &it : m_dynamic_buffers)
it.second.drop();
m_dynamic_buffers.clear();
}
}
MapSector * ClientMap::emergeSector(v2s16 p2d)
@ -867,6 +876,7 @@ static u32 transformBuffersToDrawOrder(
if (it2 != dynamic_buffers.end()) {
g_profiler->avg("CM::transformBuffersToDO: cache hit rate", 1);
const auto &use_mat = to_merge.front().second->getMaterial();
assert(!it2->second.buf.empty());
for (auto *buf : it2->second.buf) {
// material is not part of the cache key, so make sure it still matches
buf->getMaterial() = use_mat;