BRNSystems/minetest
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Retrieve a small cone of blocks in the direction of the players velocity.

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This helps retrieving the right set of blocks when the player is falling,
traveling on cart, or in general traveling in a direction different from
the view direction.
This commit is contained in:
Lars Hofhansl 2017-09-30 18:54:43 -07:00
parent 6b23cabe51
commit b97b9a550f
1 changed files with 31 additions and 8 deletions
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39
src/clientiface.cpp
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@ -60,6 +60,24 @@ void RemoteClient::ResendBlockIfOnWire(v3s16 p)
}
}
LuaEntitySAO *getAttachedObject(PlayerSAO *sao, ServerEnvironment *env)
{
if (!sao->isAttached())
return nullptr;
int id;
std::string bone;
v3f dummy;
sao->getAttachment(&id, &bone, &dummy, &dummy);
ServerActiveObject *ao = env->getActiveObject(id);
while (id && ao) {
ao->getAttachment(&id, &bone, &dummy, &dummy);
if (id)
ao = env->getActiveObject(id);
}
return dynamic_cast<LuaEntitySAO *>(ao);
}
void RemoteClient::GetNextBlocks (
ServerEnvironment *env,
EmergeManager * emerge,
@ -91,7 +109,9 @@ void RemoteClient::GetNextBlocks (
}
v3f playerpos = sao->getBasePosition();
const v3f &playerspeed = player->getSpeed();
// if the player is attached, get the velocity from the attached object
LuaEntitySAO *lsao = getAttachedObject(sao, env);
const v3f &playerspeed = lsao? lsao->getVelocity() : player->getSpeed();
v3f playerspeeddir(0,0,0);
if(playerspeed.getLength() > 1.0*BS)
playerspeeddir = playerspeed / playerspeed.getLength();
@ -170,11 +190,8 @@ void RemoteClient::GetNextBlocks (
s32 new_nearest_unsent_d = -1;
// get view range and camera fov from the client
s16 wanted_range = sao->getWantedRange();
s16 wanted_range = sao->getWantedRange() + 1;
float camera_fov = sao->getFov();
// if FOV, wanted_range are not available (old client), fall back to old default
if (wanted_range <= 0) wanted_range = 1000;
if (camera_fov <= 0) camera_fov = (72.0*M_PI/180) * 4./3.;
const s16 full_d_max = MYMIN(g_settings->getS16("max_block_send_distance"), wanted_range);
const s16 d_opt = MYMIN(g_settings->getS16("block_send_optimize_distance"), wanted_range);
@ -185,7 +202,7 @@ void RemoteClient::GetNextBlocks (
s16 d_max_gen = MYMIN(g_settings->getS16("max_block_generate_distance"), wanted_range);
// Don't loop very much at a time
s16 max_d_increment_at_time = 2;
s16 max_d_increment_at_time = 1;
if(d_max > d_start + max_d_increment_at_time)
d_max = d_start + max_d_increment_at_time;
@ -247,10 +264,16 @@ void RemoteClient::GetNextBlocks (
Don't generate or send if not in sight
FIXME This only works if the client uses a small enough
FOV setting. The default of 72 degrees is fine.
Also retrieve a smaller view cone in the direction of the player's
movement.
(0.1 is about 4 degrees)
*/
f32 dist;
if (!isBlockInSight(p, camera_pos, camera_dir, camera_fov, d_blocks_in_sight, &dist)) {
if (!(isBlockInSight(p, camera_pos, camera_dir, camera_fov,
d_blocks_in_sight, &dist) ||
(playerspeed.getLength() > 1.0f * BS &&
isBlockInSight(p, camera_pos, playerspeeddir, 0.1f,
d_blocks_in_sight)))) {
continue;
}