1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "tool.h"
#include "itemgroup.h"
#include "log.h"
#include "inventory.h"
#include "exceptions.h"
#include "util/serialize.h"
#include "util/numeric.h"
void ToolCapabilities::serialize(std::ostream &os, u16 protocol_version) const
{
writeU8(os, 2); // version (protocol >= 18)
writeF1000(os, full_punch_interval);
writeS16(os, max_drop_level);
writeU32(os, groupcaps.size());
for (ToolGCMap::const_iterator i = groupcaps.begin(); i != groupcaps.end(); ++i) {
const std::string *name = &i->first;
const ToolGroupCap *cap = &i->second;
os << serializeString(*name);
writeS16(os, cap->uses);
writeS16(os, cap->maxlevel);
writeU32(os, cap->times.size());
for (UNORDERED_MAP<int, float>::const_iterator
j = cap->times.begin(); j != cap->times.end(); ++j) {
writeS16(os, j->first);
writeF1000(os, j->second);
}
}
writeU32(os, damageGroups.size());
for (DamageGroup::const_iterator i = damageGroups.begin();
i != damageGroups.end(); ++i) {
os << serializeString(i->first);
writeS16(os, i->second);
}
}
void ToolCapabilities::deSerialize(std::istream &is)
{
int version = readU8(is);
if(version != 1 && version != 2) throw SerializationError(
"unsupported ToolCapabilities version");
full_punch_interval = readF1000(is);
max_drop_level = readS16(is);
groupcaps.clear();
u32 groupcaps_size = readU32(is);
for(u32 i=0; i<groupcaps_size; i++){
std::string name = deSerializeString(is);
ToolGroupCap cap;
cap.uses = readS16(is);
cap.maxlevel = readS16(is);
u32 times_size = readU32(is);
for(u32 i=0; i<times_size; i++){
int level = readS16(is);
float time = readF1000(is);
cap.times[level] = time;
}
groupcaps[name] = cap;
}
if(version == 2)
{
u32 damage_groups_size = readU32(is);
for(u32 i=0; i<damage_groups_size; i++){
std::string name = deSerializeString(is);
s16 rating = readS16(is);
damageGroups[name] = rating;
}
}
}
DigParams getDigParams(const ItemGroupList &groups,
const ToolCapabilities *tp, float time_from_last_punch)
{
//infostream<<"getDigParams"<<std::endl;
/* Check group dig_immediate */
switch(itemgroup_get(groups, "dig_immediate")){
case 2:
//infostream<<"dig_immediate=2"<<std::endl;
return DigParams(true, 0.5, 0, "dig_immediate");
case 3:
//infostream<<"dig_immediate=3"<<std::endl;
return DigParams(true, 0, 0, "dig_immediate");
default:
break;
}
// Values to be returned (with a bit of conversion)
bool result_diggable = false;
float result_time = 0.0;
float result_wear = 0.0;
std::string result_main_group = "";
int level = itemgroup_get(groups, "level");
//infostream<<"level="<<level<<std::endl;
for (ToolGCMap::const_iterator i = tp->groupcaps.begin();
i != tp->groupcaps.end(); ++i) {
const std::string &name = i->first;
//infostream<<"group="<<name<<std::endl;
const ToolGroupCap &cap = i->second;
int rating = itemgroup_get(groups, name);
float time = 0;
bool time_exists = cap.getTime(rating, &time);
if(!result_diggable || time < result_time){
if(cap.maxlevel >= level && time_exists){
result_diggable = true;
int leveldiff = cap.maxlevel - level;
result_time = time / MYMAX(1, leveldiff);
if(cap.uses != 0)
result_wear = 1.0 / cap.uses / pow(3.0, (double)leveldiff);
else
result_wear = 0;
result_main_group = name;
}
}
}
//infostream<<"result_diggable="<<result_diggable<<std::endl;
//infostream<<"result_time="<<result_time<<std::endl;
//infostream<<"result_wear="<<result_wear<<std::endl;
if(time_from_last_punch < tp->full_punch_interval){
float f = time_from_last_punch / tp->full_punch_interval;
//infostream<<"f="<<f<<std::endl;
result_time /= f;
result_wear /= f;
}
u16 wear_i = 65535.*result_wear;
return DigParams(result_diggable, result_time, wear_i, result_main_group);
}
DigParams getDigParams(const ItemGroupList &groups,
const ToolCapabilities *tp)
{
return getDigParams(groups, tp, 1000000);
}
HitParams getHitParams(const ItemGroupList &armor_groups,
const ToolCapabilities *tp, float time_from_last_punch)
{
s16 damage = 0;
float full_punch_interval = tp->full_punch_interval;
for (DamageGroup::const_iterator i = tp->damageGroups.begin();
i != tp->damageGroups.end(); ++i) {
s16 armor = itemgroup_get(armor_groups, i->first);
damage += i->second * rangelim(time_from_last_punch / full_punch_interval, 0.0, 1.0)
* armor / 100.0;
}
return HitParams(damage, 0);
}
HitParams getHitParams(const ItemGroupList &armor_groups,
const ToolCapabilities *tp)
{
return getHitParams(armor_groups, tp, 1000000);
}
PunchDamageResult getPunchDamage(
const ItemGroupList &armor_groups,
const ToolCapabilities *toolcap,
const ItemStack *punchitem,
float time_from_last_punch
){
bool do_hit = true;
{
if(do_hit && punchitem){
if(itemgroup_get(armor_groups, "punch_operable") &&
(toolcap == NULL || punchitem->name == ""))
do_hit = false;
}
if(do_hit){
if(itemgroup_get(armor_groups, "immortal"))
do_hit = false;
}
}
PunchDamageResult result;
if(do_hit)
{
HitParams hitparams = getHitParams(armor_groups, toolcap,
time_from_last_punch);
result.did_punch = true;
result.wear = hitparams.wear;
result.damage = hitparams.hp;
}
return result;
}
|
