src/tool.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #pragma once
  21
  22 #include "irrlichttypes.h"
  23 #include <string>
  24 #include <iostream>
  25 #include "itemgroup.h"
  26 #include <json/json.h>
  27
  28 struct ToolGroupCap
  29 {
  30         std::unordered_map<int, float> times;
  31         int maxlevel = 1;
  32         int uses = 20;
  33
  34         ToolGroupCap() = default;
  35
  36         bool getTime(int rating, float *time) const
  37         {
  38                 std::unordered_map<int, float>::const_iterator i = times.find(rating);
  39                 if (i == times.end()) {
  40                         *time = 0;
  41                         return false;
  42                 }
  43                 *time = i->second;
  44                 return true;
  45         }
  46
  47         void toJson(Json::Value &object) const;
  48         void fromJson(const Json::Value &json);
  49 };
  50
  51
  52 typedef std::unordered_map<std::string, struct ToolGroupCap> ToolGCMap;
  53 typedef std::unordered_map<std::string, s16> DamageGroup;
  54
  55 struct ToolCapabilities
  56 {
  57         float full_punch_interval;
  58         int max_drop_level;
  59         ToolGCMap groupcaps;
  60         DamageGroup damageGroups;
  61
  62         ToolCapabilities(
  63                         float full_punch_interval_=1.4,
  64                         int max_drop_level_=1,
  65                         const ToolGCMap &groupcaps_ = ToolGCMap(),
  66                         const DamageGroup &damageGroups_ = DamageGroup()
  67         ):
  68                 full_punch_interval(full_punch_interval_),
  69                 max_drop_level(max_drop_level_),
  70                 groupcaps(groupcaps_),
  71                 damageGroups(damageGroups_)
  72         {}
  73
  74         void serialize(std::ostream &os, u16 version) const;
  75         void deSerialize(std::istream &is);
  76         void serializeJson(std::ostream &os) const;
  77         void deserializeJson(std::istream &is);
  78 };
  79
  80 struct DigParams
  81 {
  82         bool diggable;
  83         // Digging time in seconds
  84         float time;
  85         // Caused wear
  86         u16 wear;
  87         std::string main_group;
  88
  89         DigParams(bool a_diggable = false, float a_time = 0.0f, u16 a_wear = 0,
  90                         const std::string &a_main_group = ""):
  91                 diggable(a_diggable),
  92                 time(a_time),
  93                 wear(a_wear),
  94                 main_group(a_main_group)
  95         {}
  96 };
  97
  98 DigParams getDigParams(const ItemGroupList &groups,
  99                 const ToolCapabilities *tp, float time_from_last_punch);
 100
 101 DigParams getDigParams(const ItemGroupList &groups,
 102                 const ToolCapabilities *tp);
 103
 104 struct HitParams
 105 {
 106         s16 hp;
 107         s16 wear;
 108
 109         HitParams(s16 hp_=0, s16 wear_=0):
 110                 hp(hp_),
 111                 wear(wear_)
 112         {}
 113 };
 114
 115 HitParams getHitParams(const ItemGroupList &armor_groups,
 116                 const ToolCapabilities *tp, float time_from_last_punch);
 117
 118 HitParams getHitParams(const ItemGroupList &armor_groups,
 119                 const ToolCapabilities *tp);
 120
 121 struct PunchDamageResult
 122 {
 123         bool did_punch = false;
 124         int damage = 0;
 125         int wear = 0;
 126
 127         PunchDamageResult() = default;
 128 };
 129
 130 struct ItemStack;
 131
 132 PunchDamageResult getPunchDamage(
 133                 const ItemGroupList &armor_groups,
 134                 const ToolCapabilities *toolcap,
 135                 const ItemStack *punchitem,
 136                 float time_from_last_punch
 137 );