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Fix hovering after mining a block underneath you while sneaking

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This commit is contained in:
Matthew I 2012-06-26 14:01:02 -04:00 committed by Perttu Ahola
parent 1788709e2d
commit a2738dec59
2 changed files with 38 additions and 13 deletions
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45
src/localplayer.cpp
View File

@ -35,7 +35,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
LocalPlayer::LocalPlayer(IGameDef *gamedef): LocalPlayer::LocalPlayer(IGameDef *gamedef):
Player(gamedef), Player(gamedef),
m_sneak_node(32767,32767,32767), m_sneak_node(32767,32767,32767),
m_sneak_node_exists(false) m_sneak_node_exists(false),
m_old_node_below(32767,32767,32767),
m_old_node_below_type("air"),
m_need_to_get_new_sneak_node(true)
{ {
// Initialize hp to 0, so that no hearts will be shown if server // Initialize hp to 0, so that no hearts will be shown if server
// doesn't support health points // doesn't support health points
@ -189,8 +192,26 @@ void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
/* /*
Check the nodes under the player to see from which node the Check the nodes under the player to see from which node the
player is sneaking from, if any. player is sneaking from, if any. If the node from under
the player has been removed, the player falls.
*/ */
v3s16 current_node = floatToInt(position - v3f(0,BS/2,0), BS);
if(m_sneak_node_exists &&
nodemgr->get(map.getNodeNoEx(m_old_node_below)).name == "air" &&
m_old_node_below_type != "air")
{
// Old node appears to have been removed; that is,
// it wasn't air before but now it is
m_need_to_get_new_sneak_node = false;
m_sneak_node_exists = false;
}
else if(nodemgr->get(map.getNodeNoEx(current_node)).name != "air")
{
// We are on something, so make sure to recalculate the sneak
// node.
m_need_to_get_new_sneak_node = true;
}
if(m_need_to_get_new_sneak_node)
{ {
v3s16 pos_i_bottom = floatToInt(position - v3f(0,BS/2,0), BS); v3s16 pos_i_bottom = floatToInt(position - v3f(0,BS/2,0), BS);
v2f player_p2df(position.X, position.Z); v2f player_p2df(position.X, position.Z);
@ -240,17 +261,9 @@ void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
} }
bool sneak_node_found = (min_distance_f < 100000.0*BS*0.9); bool sneak_node_found = (min_distance_f < 100000.0*BS*0.9);
if(control.sneak && m_sneak_node_exists) m_sneak_node = new_sneak_node;
{ m_sneak_node_exists = sneak_node_found;
if(sneak_node_found)
m_sneak_node = new_sneak_node;
}
else
{
m_sneak_node = new_sneak_node;
m_sneak_node_exists = sneak_node_found;
}
/* /*
If sneaking, the player's collision box can be in air, so If sneaking, the player's collision box can be in air, so
@ -295,6 +308,12 @@ void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
} }
} }
} }
/*
Update the node last under the player
*/
m_old_node_below = floatToInt(position - v3f(0,BS/2,0), BS);
m_old_node_below_type = nodemgr->get(map.getNodeNoEx(m_old_node_below)).name;
} }
void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d) void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d)

6
src/localplayer.h
View File

@ -95,6 +95,12 @@ private:
v3s16 m_sneak_node; v3s16 m_sneak_node;
// Whether the player is allowed to sneak // Whether the player is allowed to sneak
bool m_sneak_node_exists; bool m_sneak_node_exists;
// Node below player, used to determine whether it has been removed,
// and its old type
v3s16 m_old_node_below;
std::string m_old_node_below_type;
// Whether recalculation of the sneak node is needed
bool m_need_to_get_new_sneak_node;
}; };
#endif #endif