minetest/src/tool.h

147 lines
3.6 KiB
C++

/*
Minetest
Copyright (C) 2010-2013 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.
*/
#pragma once
#include "irrlichttypes.h"
#include <string>
#include <iostream>
#include "itemgroup.h"
#include <json/json.h>
struct ItemDefinition;
struct ToolGroupCap
{
std::unordered_map<int, float> times;
int maxlevel = 1;
int uses = 20;
ToolGroupCap() = default;
bool getTime(int rating, float *time) const
{
std::unordered_map<int, float>::const_iterator i = times.find(rating);
if (i == times.end()) {
*time = 0;
return false;
}
*time = i->second;
return true;
}
void toJson(Json::Value &object) const;
void fromJson(const Json::Value &json);
};
typedef std::unordered_map<std::string, struct ToolGroupCap> ToolGCMap;
typedef std::unordered_map<std::string, s16> DamageGroup;
struct ToolCapabilities
{
float full_punch_interval;
int max_drop_level;
ToolGCMap groupcaps;
DamageGroup damageGroups;
int punch_attack_uses;
ToolCapabilities(
float full_punch_interval_ = 1.4f,
int max_drop_level_ = 1,
const ToolGCMap &groupcaps_ = ToolGCMap(),
const DamageGroup &damageGroups_ = DamageGroup(),
int punch_attack_uses_ = 0
):
full_punch_interval(full_punch_interval_),
max_drop_level(max_drop_level_),
groupcaps(groupcaps_),
damageGroups(damageGroups_),
punch_attack_uses(punch_attack_uses_)
{}
void serialize(std::ostream &os, u16 version) const;
void deSerialize(std::istream &is);
void serializeJson(std::ostream &os) const;
void deserializeJson(std::istream &is);
};
struct DigParams
{
bool diggable;
// Digging time in seconds
float time;
// Caused wear
u32 wear; // u32 because wear could be 65536 (single-use tool)
std::string main_group;
DigParams(bool a_diggable = false, float a_time = 0.0f, u32 a_wear = 0,
const std::string &a_main_group = ""):
diggable(a_diggable),
time(a_time),
wear(a_wear),
main_group(a_main_group)
{}
};
DigParams getDigParams(const ItemGroupList &groups,
const ToolCapabilities *tp,
const u16 initial_wear = 0);
struct HitParams
{
s32 hp;
// Caused wear
u32 wear; // u32 because wear could be 65536 (single-use weapon)
HitParams(s32 hp_ = 0, u32 wear_ = 0):
hp(hp_),
wear(wear_)
{}
};
HitParams getHitParams(const ItemGroupList &armor_groups,
const ToolCapabilities *tp, float time_from_last_punch,
u16 initial_wear = 0);
HitParams getHitParams(const ItemGroupList &armor_groups,
const ToolCapabilities *tp);
struct PunchDamageResult
{
bool did_punch = false;
int damage = 0;
int wear = 0;
PunchDamageResult() = default;
};
struct ItemStack;
PunchDamageResult getPunchDamage(
const ItemGroupList &armor_groups,
const ToolCapabilities *toolcap,
const ItemStack *punchitem,
float time_from_last_punch,
u16 initial_wear = 0
);
u32 calculateResultWear(const u32 uses, const u16 initial_wear);
f32 getToolRange(const ItemDefinition &def_selected, const ItemDefinition &def_hand);