/*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+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 "utility.h"
-#include "itemdef.h" // For itemgroup_get()
+#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) const
+void ToolCapabilities::serialize(std::ostream &os, u16 protocol_version) const
{
- writeU8(os, 0); // version
+ writeU8(os, 2); // version (protocol >= 18)
writeF1000(os, full_punch_interval);
writeS16(os, max_drop_level);
writeU32(os, groupcaps.size());
- for(std::map<std::string, ToolGroupCap>::const_iterator
- i = groupcaps.begin(); i != groupcaps.end(); i++){
+ 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);
- writeF1000(os, cap->maxwear);
- writeF1000(os, cap->maxlevel);
+ os << serializeString(*name);
+ writeS16(os, cap->uses);
+ writeS16(os, cap->maxlevel);
writeU32(os, cap->times.size());
- for(std::map<int, float>::const_iterator
- i = cap->times.begin(); i != cap->times.end(); i++){
- writeS16(os, i->first);
- writeF1000(os, i->second);
+ 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 != 0) throw SerializationError(
+ if(version != 1 && version != 2) throw SerializationError(
"unsupported ToolCapabilities version");
full_punch_interval = readF1000(is);
max_drop_level = readS16(is);
for(u32 i=0; i<groupcaps_size; i++){
std::string name = deSerializeString(is);
ToolGroupCap cap;
- cap.maxwear = readF1000(is);
- cap.maxlevel = readF1000(is);
+ 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);
}
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 std::map<std::string, int> &groups,
+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 1:
- //infostream<<"dig_immediate=1"<<std::endl;
- return DigParams(true, 0.0, 0);
case 2:
//infostream<<"dig_immediate=2"<<std::endl;
- return DigParams(true, 1.0, 0);
+ 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(std::map<std::string, ToolGroupCap>::const_iterator
- i = tp->groupcaps.begin(); i != tp->groupcaps.end(); i++){
+ 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;
float time = 0;
bool time_exists = cap.getTime(rating, &time);
if(!result_diggable || time < result_time){
- if(cap.maxlevel > level && time_exists){
+ if(cap.maxlevel >= level && time_exists){
result_diggable = true;
- result_time = time;
int leveldiff = cap.maxlevel - level;
- result_wear = cap.maxwear / pow(4.0, (double)leveldiff);
+ 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;
}
}
}
}
u16 wear_i = 65535.*result_wear;
- return DigParams(result_diggable, result_time, wear_i);
+ return DigParams(result_diggable, result_time, wear_i, result_main_group);
}
-DigParams getDigParams(const std::map<std::string, int> &groups,
+DigParams getDigParams(const ItemGroupList &groups,
const ToolCapabilities *tp)
{
return getDigParams(groups, tp, 1000000);
}
-HitParams getHitParams(const std::map<std::string, int> &groups,
+HitParams getHitParams(const ItemGroupList &armor_groups,
const ToolCapabilities *tp, float time_from_last_punch)
{
- DigParams digprop = getDigParams(groups, tp,
- time_from_last_punch);
-
- // Damage in hp is equivalent to nodes dug in time_from_last_punch
- s16 hp = 0;
- if(digprop.diggable)
- hp = time_from_last_punch / digprop.time;
- // Wear is the same as for digging a single node
- s16 wear = (float)digprop.wear;
-
- return HitParams(hp, wear);
+ 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 std::map<std::string, int> &groups,
+HitParams getHitParams(const ItemGroupList &armor_groups,
const ToolCapabilities *tp)
{
- return getHitParams(groups, tp, 1000000);
+ 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;
+}
+
+
projects / minetest.git / blobdiff