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Allow zoom to actually show more data.

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This allows the client to retrieve blocks at a greater distance
from the server, thus allowing for a real zoom.
This commit is contained in:
Lars Hofhansl 2017-11-15 21:58:23 -08:00
parent ee6bb5a315
commit ae9b1aa177
4 changed files with 33 additions and 15 deletions
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27
src/clientiface.cpp
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@ -196,6 +196,20 @@ void RemoteClient::GetNextBlocks (
s16 wanted_range = sao->getWantedRange() + 1;
float camera_fov = sao->getFov();
const s16 full_d_max = std::min(adjustDist(m_max_send_distance, camera_fov), wanted_range);
const s16 d_opt = std::min(adjustDist(m_block_optimize_distance, camera_fov), wanted_range);
const s16 d_blocks_in_sight = full_d_max * BS * MAP_BLOCKSIZE;
infostream << "Fov from client " << camera_fov << " full_d_max " << full_d_max << std::endl;
s16 d_max = full_d_max;
s16 d_max_gen = std::min(adjustDist(m_max_gen_distance, camera_fov), wanted_range);
// Don't loop very much at a time, adjust with distance,
// do more work per RTT with greater distances.
s16 max_d_increment_at_time = full_d_max / 9 + 1;
if (d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
// cos(angle between velocity and camera) * |velocity|
// Limit to 0.0f in case player moves backwards.
f32 dot = rangelim(camera_dir.dotProduct(playerspeed), 0.0f, 300.0f);
@ -204,19 +218,6 @@ void RemoteClient::GetNextBlocks (
// limit max fov effect to 50%, 60% at 20n/s fly speed
camera_fov = camera_fov / (1 + dot / 300.0f);
const s16 full_d_max = std::min(m_max_send_distance, wanted_range);
const s16 d_opt = std::min(m_block_optimize_distance, wanted_range);
const s16 d_blocks_in_sight = full_d_max * BS * MAP_BLOCKSIZE;
//infostream << "Fov from client " << camera_fov << " full_d_max " << full_d_max << std::endl;
s16 d_max = full_d_max;
s16 d_max_gen = std::min(m_max_gen_distance, wanted_range);
// Don't loop very much at a time
s16 max_d_increment_at_time = 2;
if (d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
s32 nearest_emerged_d = -1;
s32 nearest_emergefull_d = -1;
s32 nearest_sent_d = -1;