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
  27 struct ToolGroupCap
  28 {
  29         std::unordered_map<int, float> times;
  30         int maxlevel = 1;
  31         int uses = 20;
  32
  33         ToolGroupCap() = default;
  34
  35         bool getTime(int rating, float *time) const
  36         {
  37                 std::unordered_map<int, float>::const_iterator i = times.find(rating);
  38                 if (i == times.end()) {
  39                         *time = 0;
  40                         return false;
  41                 }
  42                 *time = i->second;
  43                 return true;
  44         }
  45 };
  46
  47
  48 typedef std::unordered_map<std::string, struct ToolGroupCap> ToolGCMap;
  49 typedef std::unordered_map<std::string, s16> DamageGroup;
  50
  51 struct ToolCapabilities
  52 {
  53         float full_punch_interval;
  54         int max_drop_level;
  55         ToolGCMap groupcaps;
  56         DamageGroup damageGroups;
  57
  58         ToolCapabilities(
  59                         float full_punch_interval_=1.4,
  60                         int max_drop_level_=1,
  61                         const ToolGCMap &groupcaps_ = ToolGCMap(),
  62                         const DamageGroup &damageGroups_ = DamageGroup()
  63         ):
  64                 full_punch_interval(full_punch_interval_),
  65                 max_drop_level(max_drop_level_),
  66                 groupcaps(groupcaps_),
  67                 damageGroups(damageGroups_)
  68         {}
  69
  70         void serialize(std::ostream &os, u16 version) const;
  71         void deSerialize(std::istream &is);
  72 };
  73
  74 struct DigParams
  75 {
  76         bool diggable;
  77         // Digging time in seconds
  78         float time;
  79         // Caused wear
  80         u16 wear;
  81         std::string main_group;
  82
  83         DigParams(bool a_diggable = false, float a_time = 0.0f, u16 a_wear = 0,
  84                         const std::string &a_main_group = ""):
  85                 diggable(a_diggable),
  86                 time(a_time),
  87                 wear(a_wear),
  88                 main_group(a_main_group)
  89         {}
  90 };
  91
  92 DigParams getDigParams(const ItemGroupList &groups,
  93                 const ToolCapabilities *tp, float time_from_last_punch);
  94
  95 DigParams getDigParams(const ItemGroupList &groups,
  96                 const ToolCapabilities *tp);
  97
  98 struct HitParams
  99 {
 100         s16 hp;
 101         s16 wear;
 102
 103         HitParams(s16 hp_=0, s16 wear_=0):
 104                 hp(hp_),
 105                 wear(wear_)
 106         {}
 107 };
 108
 109 HitParams getHitParams(const ItemGroupList &armor_groups,
 110                 const ToolCapabilities *tp, float time_from_last_punch);
 111
 112 HitParams getHitParams(const ItemGroupList &armor_groups,
 113                 const ToolCapabilities *tp);
 114
 115 struct PunchDamageResult
 116 {
 117         bool did_punch = false;
 118         int damage = 0;
 119         int wear = 0;
 120
 121         PunchDamageResult() = default;
 122 };
 123
 124 struct ItemStack;
 125
 126 PunchDamageResult getPunchDamage(
 127                 const ItemGroupList &armor_groups,
 128                 const ToolCapabilities *toolcap,
 129                 const ItemStack *punchitem,
 130                 float time_from_last_punch
 131 );