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 ItemDefinition;
  29
  30 struct ToolGroupCap
  31 {
  32         std::unordered_map<int, float> times;
  33         int maxlevel = 1;
  34         int uses = 20;
  35
  36         ToolGroupCap() = default;
  37
  38         bool getTime(int rating, float *time) const
  39         {
  40                 std::unordered_map<int, float>::const_iterator i = times.find(rating);
  41                 if (i == times.end()) {
  42                         *time = 0;
  43                         return false;
  44                 }
  45                 *time = i->second;
  46                 return true;
  47         }
  48
  49         void toJson(Json::Value &object) const;
  50         void fromJson(const Json::Value &json);
  51 };
  52
  53
  54 typedef std::unordered_map<std::string, struct ToolGroupCap> ToolGCMap;
  55 typedef std::unordered_map<std::string, s16> DamageGroup;
  56
  57 struct ToolCapabilities
  58 {
  59         float full_punch_interval;
  60         int max_drop_level;
  61         ToolGCMap groupcaps;
  62         DamageGroup damageGroups;
  63         int punch_attack_uses;
  64
  65         ToolCapabilities(
  66                         float full_punch_interval_ = 1.4f,
  67                         int max_drop_level_ = 1,
  68                         const ToolGCMap &groupcaps_ = ToolGCMap(),
  69                         const DamageGroup &damageGroups_ = DamageGroup(),
  70                         int punch_attack_uses_ = 0
  71         ):
  72                 full_punch_interval(full_punch_interval_),
  73                 max_drop_level(max_drop_level_),
  74                 groupcaps(groupcaps_),
  75                 damageGroups(damageGroups_),
  76                 punch_attack_uses(punch_attack_uses_)
  77         {}
  78
  79         void serialize(std::ostream &os, u16 version) const;
  80         void deSerialize(std::istream &is);
  81         void serializeJson(std::ostream &os) const;
  82         void deserializeJson(std::istream &is);
  83 };
  84
  85 struct DigParams
  86 {
  87         bool diggable;
  88         // Digging time in seconds
  89         float time;
  90         // Caused wear
  91         u16 wear;
  92         std::string main_group;
  93
  94         DigParams(bool a_diggable = false, float a_time = 0.0f, u16 a_wear = 0,
  95                         const std::string &a_main_group = ""):
  96                 diggable(a_diggable),
  97                 time(a_time),
  98                 wear(a_wear),
  99                 main_group(a_main_group)
 100         {}
 101 };
 102
 103 DigParams getDigParams(const ItemGroupList &groups,
 104                 const ToolCapabilities *tp);
 105
 106 struct HitParams
 107 {
 108         s16 hp;
 109         u16 wear;
 110
 111         HitParams(s16 hp_ = 0, u16 wear_ = 0):
 112                 hp(hp_),
 113                 wear(wear_)
 114         {}
 115 };
 116
 117 HitParams getHitParams(const ItemGroupList &armor_groups,
 118                 const ToolCapabilities *tp, float time_from_last_punch);
 119
 120 HitParams getHitParams(const ItemGroupList &armor_groups,
 121                 const ToolCapabilities *tp);
 122
 123 struct PunchDamageResult
 124 {
 125         bool did_punch = false;
 126         int damage = 0;
 127         int wear = 0;
 128
 129         PunchDamageResult() = default;
 130 };
 131
 132 struct ItemStack;
 133
 134 PunchDamageResult getPunchDamage(
 135                 const ItemGroupList &armor_groups,
 136                 const ToolCapabilities *toolcap,
 137                 const ItemStack *punchitem,
 138                 float time_from_last_punch
 139 );
 140
 141 f32 getToolRange(const ItemDefinition &def_selected, const ItemDefinition &def_hand);