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 #include "player.h"
21 
22 #include "threading/mutex_auto_lock.h"
23 #include "util/numeric.h"
24 #include "hud.h"
25 #include "constants.h"
26 #include "gamedef.h"
27 #include "settings.h"
28 #include "log.h"
29 #include "porting.h"  // strlcpy
30 
31 
Player(const char * name,IItemDefManager * idef)32 Player::Player(const char *name, IItemDefManager *idef):
33 	inventory(idef)
34 {
35 	strlcpy(m_name, name, PLAYERNAME_SIZE);
36 
37 	inventory.clear();
38 	inventory.addList("main", PLAYER_INVENTORY_SIZE);
39 	InventoryList *craft = inventory.addList("craft", 9);
40 	craft->setWidth(3);
41 	inventory.addList("craftpreview", 1);
42 	inventory.addList("craftresult", 1);
43 	inventory.setModified(false);
44 
45 	// Can be redefined via Lua
46 	inventory_formspec = "size[8,7.5]"
47 		//"image[1,0.6;1,2;player.png]"
48 		"list[current_player;main;0,3.5;8,4;]"
49 		"list[current_player;craft;3,0;3,3;]"
50 		"listring[]"
51 		"list[current_player;craftpreview;7,1;1,1;]";
52 
53 	// Initialize movement settings at default values, so movement can work
54 	// if the server fails to send them
55 	movement_acceleration_default   = 3    * BS;
56 	movement_acceleration_air       = 2    * BS;
57 	movement_acceleration_fast      = 10   * BS;
58 	movement_speed_walk             = 4    * BS;
59 	movement_speed_crouch           = 1.35 * BS;
60 	movement_speed_fast             = 20   * BS;
61 	movement_speed_climb            = 2    * BS;
62 	movement_speed_jump             = 6.5  * BS;
63 	movement_liquid_fluidity        = 1    * BS;
64 	movement_liquid_fluidity_smooth = 0.5  * BS;
65 	movement_liquid_sink            = 10   * BS;
66 	movement_gravity                = 9.81 * BS;
67 	local_animation_speed           = 0.0;
68 
69 	hud_flags =
70 		HUD_FLAG_HOTBAR_VISIBLE    | HUD_FLAG_HEALTHBAR_VISIBLE |
71 		HUD_FLAG_CROSSHAIR_VISIBLE | HUD_FLAG_WIELDITEM_VISIBLE |
72 		HUD_FLAG_BREATHBAR_VISIBLE | HUD_FLAG_MINIMAP_VISIBLE   |
73 		HUD_FLAG_MINIMAP_RADAR_VISIBLE;
74 
75 	hud_hotbar_itemcount = HUD_HOTBAR_ITEMCOUNT_DEFAULT;
76 
77 	m_player_settings.readGlobalSettings();
78 	// Register player setting callbacks
79 	for (const std::string &name : m_player_settings.setting_names)
80 		g_settings->registerChangedCallback(name,
81 			&Player::settingsChangedCallback, &m_player_settings);
82 }
83 
~Player()84 Player::~Player()
85 {
86 	// m_player_settings becomes invalid, remove callbacks
87 	for (const std::string &name : m_player_settings.setting_names)
88 		g_settings->deregisterChangedCallback(name,
89 			&Player::settingsChangedCallback, &m_player_settings);
90 	clearHud();
91 }
92 
setWieldIndex(u16 index)93 void Player::setWieldIndex(u16 index)
94 {
95 	const InventoryList *mlist = inventory.getList("main");
96 	m_wield_index = MYMIN(index, mlist ? mlist->getSize() : 0);
97 }
98 
getWieldedItem(ItemStack * selected,ItemStack * hand) const99 ItemStack &Player::getWieldedItem(ItemStack *selected, ItemStack *hand) const
100 {
101 	assert(selected);
102 
103 	const InventoryList *mlist = inventory.getList("main"); // TODO: Make this generic
104 	const InventoryList *hlist = inventory.getList("hand");
105 
106 	if (mlist && m_wield_index < mlist->getSize())
107 		*selected = mlist->getItem(m_wield_index);
108 
109 	if (hand && hlist)
110 		*hand = hlist->getItem(0);
111 
112 	// Return effective tool item
113 	return (hand && selected->name.empty()) ? *hand : *selected;
114 }
115 
addHud(HudElement * toadd)116 u32 Player::addHud(HudElement *toadd)
117 {
118 	MutexAutoLock lock(m_mutex);
119 
120 	u32 id = getFreeHudID();
121 
122 	if (id < hud.size())
123 		hud[id] = toadd;
124 	else
125 		hud.push_back(toadd);
126 
127 	return id;
128 }
129 
getHud(u32 id)130 HudElement* Player::getHud(u32 id)
131 {
132 	MutexAutoLock lock(m_mutex);
133 
134 	if (id < hud.size())
135 		return hud[id];
136 
137 	return NULL;
138 }
139 
removeHud(u32 id)140 HudElement* Player::removeHud(u32 id)
141 {
142 	MutexAutoLock lock(m_mutex);
143 
144 	HudElement* retval = NULL;
145 	if (id < hud.size()) {
146 		retval = hud[id];
147 		hud[id] = NULL;
148 	}
149 	return retval;
150 }
151 
clearHud()152 void Player::clearHud()
153 {
154 	MutexAutoLock lock(m_mutex);
155 
156 	while(!hud.empty()) {
157 		delete hud.back();
158 		hud.pop_back();
159 	}
160 }
161 
readGlobalSettings()162 void PlayerSettings::readGlobalSettings()
163 {
164 	free_move = g_settings->getBool("free_move");
165 	pitch_move = g_settings->getBool("pitch_move");
166 	fast_move = g_settings->getBool("fast_move");
167 	continuous_forward = g_settings->getBool("continuous_forward");
168 	always_fly_fast = g_settings->getBool("always_fly_fast");
169 	aux1_descends = g_settings->getBool("aux1_descends");
170 	noclip = g_settings->getBool("noclip");
171 	autojump = g_settings->getBool("autojump");
172 }
173 
settingsChangedCallback(const std::string & name,void * data)174 void Player::settingsChangedCallback(const std::string &name, void *data)
175 {
176 	((PlayerSettings *)data)->readGlobalSettings();
177 }
178