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Tweak rollback and liquids

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This commit is contained in:
Perttu Ahola 2012-07-27 15:46:51 +03:00
parent 7ef0a13250
commit 3e754382af
4 changed files with 16 additions and 16 deletions
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19
src/rollback.cpp
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@ -33,6 +33,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
#define POINTS_PER_NODE (16.0)
// Get nearness factor for subject's action for this action
// Return value: 0 = impossible, >0 = factor
static float getSuspectNearness(bool is_guess, v3s16 suspect_p, int suspect_t,
@ -43,10 +45,10 @@ static float getSuspectNearness(bool is_guess, v3s16 suspect_p, int suspect_t,
return 0; // 0 = cannot be
// Start from 100
int f = 100;
// Distance (1 node = -1 point)
f -= 1.0 * intToFloat(suspect_p, 1).getDistanceFrom(intToFloat(action_p, 1));
// Time (1 second = -1 point)
f -= 1.0 * (action_t - suspect_t);
// Distance (1 node = -x points)
f -= POINTS_PER_NODE * intToFloat(suspect_p, 1).getDistanceFrom(intToFloat(action_p, 1));
// Time (1 second = -x points)
f -= 1 * (action_t - suspect_t);
// If is a guess, halve the points
if(is_guess)
f *= 0.5;
@ -76,8 +78,7 @@ public:
v3s16 p;
if(!action.getPosition(&p))
return;
// 60s default timeframe, 95 points shortcut
action.actor = getSuspect(p, 60, 95);
action.actor = getSuspect(p, 83, 1);
if(action.actor.empty())
return;
action.actor_is_guess = true;
@ -103,12 +104,12 @@ public:
m_current_actor = actor;
m_current_actor_is_guess = is_guess;
}
std::string getSuspect(v3s16 p, int max_time, float nearness_shortcut)
std::string getSuspect(v3s16 p, float nearness_shortcut, float min_nearness)
{
if(m_current_actor != "")
return m_current_actor;
int cur_time = time(0);
int first_time = cur_time - max_time;
int first_time = cur_time - (100-min_nearness);
RollbackAction likely_suspect;
float likely_suspect_nearness = 0;
for(std::list<RollbackAction>::const_reverse_iterator
@ -125,7 +126,7 @@ public:
continue;
float f = getSuspectNearness(i->actor_is_guess, suspect_p,
i->unix_time, p, cur_time);
if(f > likely_suspect_nearness){
if(f >= min_nearness && f > likely_suspect_nearness){
likely_suspect_nearness = f;
likely_suspect = *i;
if(likely_suspect_nearness >= nearness_shortcut)