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Restore and enhance bouncy behavior (#11939)

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pecksin 2022-09-27 16:22:36 -04:00 committed by GitHub
parent 907dcdcf7b
commit 6ac38aa2c8
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2 changed files with 72 additions and 23 deletions
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4
doc/lua_api.txt
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@ -1868,7 +1868,9 @@ to games.
* `attached_node`: if the node under it is not a walkable block the node will be * `attached_node`: if the node under it is not a walkable block the node will be
dropped as an item. If the node is wallmounted the wallmounted direction is dropped as an item. If the node is wallmounted the wallmounted direction is
checked. checked.
* `bouncy`: value is bounce speed in percent * `bouncy`: value is bounce speed in percent.
If positive, jump/sneak on floor impact will increase/decrease bounce height.
Negative value is the same bounciness, but non-controllable.
* `connect_to_raillike`: makes nodes of raillike drawtype with same group value * `connect_to_raillike`: makes nodes of raillike drawtype with same group value
connect to each other connect to each other
* `dig_immediate`: Player can always pick up node without reducing tool wear * `dig_immediate`: Player can always pick up node without reducing tool wear

91
src/client/localplayer.cpp
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@ -331,8 +331,8 @@ void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
} }
/* /*
If the player's feet touch the topside of any node, this is If the player's feet touch the topside of any node
set to true. at the END of clientstep, then this is set to true.
Player is allowed to jump when this is true. Player is allowed to jump when this is true.
*/ */
@ -432,23 +432,47 @@ void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
const ContentFeatures &f = nodemgr->get(map->getNode(m_standing_node)); const ContentFeatures &f = nodemgr->get(map->getNode(m_standing_node));
const ContentFeatures &f1 = nodemgr->get(map->getNode(m_standing_node + v3s16(0, 1, 0))); const ContentFeatures &f1 = nodemgr->get(map->getNode(m_standing_node + v3s16(0, 1, 0)));
// We can jump from a bouncy node we collided with this clientstep,
// even if we are not "touching" it at the end of clientstep.
int standing_node_bouncy = 0;
if (result.collides && m_speed.Y > 0.0f) {
// must use result.collisions here because sometimes collision_info
// is passed in prepopulated with a problematic floor.
for (const auto &colinfo : result.collisions) {
if (colinfo.axis == COLLISION_AXIS_Y) {
// we cannot rely on m_standing_node because "sneak stuff"
standing_node_bouncy = itemgroup_get(nodemgr->get(map->getNode(colinfo.node_p)).groups, "bouncy");
if (standing_node_bouncy != 0)
break;
}
}
}
// Determine if jumping is possible // Determine if jumping is possible
m_disable_jump = itemgroup_get(f.groups, "disable_jump") || m_disable_jump = itemgroup_get(f.groups, "disable_jump") ||
itemgroup_get(f1.groups, "disable_jump"); itemgroup_get(f1.groups, "disable_jump");
m_can_jump = ((touching_ground && !is_climbing) || sneak_can_jump) && !m_disable_jump; m_can_jump = ((touching_ground && !is_climbing) || sneak_can_jump || standing_node_bouncy != 0)
&& !m_disable_jump;
// Jump key pressed while jumping off from a bouncy block // Jump/Sneak key pressed while bouncing from a bouncy block
if (m_can_jump && control.jump && itemgroup_get(f.groups, "bouncy") && float jumpspeed = movement_speed_jump * physics_override.jump;
m_speed.Y >= -0.5f * BS) { if (m_can_jump && (control.jump || control.sneak) && standing_node_bouncy > 0) {
float jumpspeed = movement_speed_jump * physics_override.jump; // controllable (>0) bouncy block
if (m_speed.Y > 1.0f) { if (!control.jump) {
// Reduce boost when speed already is high // sneak pressed, but not jump
m_speed.Y += jumpspeed / (1.0f + (m_speed.Y / 16.0f)); // Subjective testing indicates 1/3 bounce decrease works well.
jumpspeed = -m_speed.Y / 3.0f;
} else { } else {
m_speed.Y += jumpspeed; // jump pressed
// Reduce boost when speed already is high
jumpspeed = jumpspeed / (1.0f + (m_speed.Y * 2.8f / jumpspeed));
} }
m_speed.Y += jumpspeed;
setSpeed(m_speed); setSpeed(m_speed);
m_can_jump = false; m_can_jump = false;
} else if(m_speed.Y > jumpspeed && standing_node_bouncy < 0) {
// uncontrollable bouncy is limited to normal jump height.
m_can_jump = false;
} }
// Autojump // Autojump
@ -897,8 +921,8 @@ void LocalPlayer::old_move(f32 dtime, Environment *env, f32 pos_max_d,
m_standing_node = floatToInt(m_position, BS); m_standing_node = floatToInt(m_position, BS);
/* /*
If the player's feet touch the topside of any node, this is If the player's feet touch the topside of any node
set to true. at the END of clientstep, then this is set to true.
Player is allowed to jump when this is true. Player is allowed to jump when this is true.
*/ */
@ -1028,22 +1052,45 @@ void LocalPlayer::old_move(f32 dtime, Environment *env, f32 pos_max_d,
*/ */
const ContentFeatures &f = nodemgr->get(map->getNode(getStandingNodePos())); const ContentFeatures &f = nodemgr->get(map->getNode(getStandingNodePos()));
// We can jump from a bouncy node we collided with this clientstep,
// even if we are not "touching" it at the end of clientstep.
int standing_node_bouncy = 0;
if (result.collides && m_speed.Y > 0.0f) {
// must use result.collisions here because sometimes collision_info
// is passed in prepopulated with a problematic floor.
for (const auto &colinfo : result.collisions) {
if (colinfo.axis == COLLISION_AXIS_Y) {
// we cannot rely on m_standing_node because "sneak stuff"
standing_node_bouncy = itemgroup_get(nodemgr->get(map->getNode(colinfo.node_p)).groups, "bouncy");
if (standing_node_bouncy != 0)
break;
}
}
}
// Determine if jumping is possible // Determine if jumping is possible
m_disable_jump = itemgroup_get(f.groups, "disable_jump"); m_disable_jump = itemgroup_get(f.groups, "disable_jump");
m_can_jump = touching_ground && !m_disable_jump; m_can_jump = (touching_ground || standing_node_bouncy != 0) && !m_disable_jump;
// Jump key pressed while jumping off from a bouncy block // Jump/Sneak key pressed while bouncing from a bouncy block
if (m_can_jump && control.jump && itemgroup_get(f.groups, "bouncy") && float jumpspeed = movement_speed_jump * physics_override.jump;
m_speed.Y >= -0.5f * BS) { if (m_can_jump && (control.jump || control.sneak) && standing_node_bouncy > 0) {
float jumpspeed = movement_speed_jump * physics_override.jump; // controllable (>0) bouncy block
if (m_speed.Y > 1.0f) { if (!control.jump) {
// Reduce boost when speed already is high // sneak pressed, but not jump
m_speed.Y += jumpspeed / (1.0f + (m_speed.Y / 16.0f)); // Subjective testing indicates 1/3 bounce decrease works well.
jumpspeed = -m_speed.Y / 3.0f;
} else { } else {
m_speed.Y += jumpspeed; // jump pressed
// Reduce boost when speed already is high
jumpspeed = jumpspeed / (1.0f + (m_speed.Y * 2.8f / jumpspeed));
} }
m_speed.Y += jumpspeed;
setSpeed(m_speed); setSpeed(m_speed);
m_can_jump = false; m_can_jump = false;
} else if(m_speed.Y > jumpspeed && standing_node_bouncy < 0) {
// uncontrollable bouncy is limited to normal jump height.
m_can_jump = false;
} }
// Autojump // Autojump