aboutsummaryrefslogtreecommitdiff
path: root/src/script/lua_api/l_particles.cpp
blob: 6769f5c230d86b6d0eef226dbda0eccf0cf379c6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
/*
Minetest
Copyright (C) 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.
*/

#include "lua_api/l_particles.h"
#include "lua_api/l_internal.h"
#include "common/c_converter.h"
#include "server.h"

// add_particle({pos=, velocity=, acceleration=, expirationtime=,
// 		size=, collisiondetection=, vertical=, texture=, player=})
// pos/velocity/acceleration = {x=num, y=num, z=num}
// expirationtime = num (seconds)
// size = num
// collisiondetection = bool
// vertical = bool
// texture = e.g."default_wood.png"
int ModApiParticles::l_add_particle(lua_State *L)
{
	// Get parameters
	v3f pos, vel, acc;
	    pos= vel= acc= v3f(0, 0, 0);
	float expirationtime, size;
	      expirationtime= size= 1;
	bool collisiondetection, vertical;
	     collisiondetection= vertical= false;
	std::string texture = "";
	const char *playername = "";

	if (lua_gettop(L) > 1) // deprecated
	{
		log_deprecated(L,"Deprecated add_particle call with individual parameters instead of definition");
		pos = check_v3f(L, 1);
		vel = check_v3f(L, 2);
		acc = check_v3f(L, 3);
		expirationtime = luaL_checknumber(L, 4);
		size = luaL_checknumber(L, 5);
		collisiondetection = lua_toboolean(L, 6);
		texture = luaL_checkstring(L, 7);
		if (lua_gettop(L) == 8) // only spawn for a single player
			playername = luaL_checkstring(L, 8);
	}
	else if (lua_istable(L, 1))
	{
		int table = lua_gettop(L);
		lua_pushnil(L);
		while (lua_next(L, table) != 0)
		{
			const char *key = lua_tostring(L, -2);
				  if(strcmp(key,"pos")==0){
					pos=check_v3f(L, -1);
			}else if(strcmp(key,"vel")==0){
					vel=check_v3f(L, -1);
			}else if(strcmp(key,"acc")==0){
					acc=check_v3f(L, -1);
			}else if(strcmp(key,"expirationtime")==0){
					expirationtime=luaL_checknumber(L, -1);
			}else if(strcmp(key,"size")==0){
					size=luaL_checknumber(L, -1);
			}else if(strcmp(key,"collisiondetection")==0){
					collisiondetection=lua_toboolean(L, -1);
			}else if(strcmp(key,"vertical")==0){
					vertical=lua_toboolean(L, -1);
			}else if(strcmp(key,"texture")==0){
					texture=luaL_checkstring(L, -1);
			}else if(strcmp(key,"playername")==0){
					playername=luaL_checkstring(L, -1);
			}
			lua_pop(L, 1);
		}
	}
	if (strcmp(playername, "")==0) // spawn for all players
	{
		getServer(L)->spawnParticleAll(pos, vel, acc,
			expirationtime, size, collisiondetection, vertical, texture);
	}
	else
	{
		getServer(L)->spawnParticle(playername,
			pos, vel, acc, expirationtime,
			size, collisiondetection, vertical, texture);
	}
	return 1;
}

// add_particlespawner({amount=, time=,
//				minpos=, maxpos=,
//				minvel=, maxvel=,
//				minacc=, maxacc=,
//				minexptime=, maxexptime=,
//				minsize=, maxsize=,
//				collisiondetection=,
//				vertical=,
//				texture=,
//				player=})
// minpos/maxpos/minvel/maxvel/minacc/maxacc = {x=num, y=num, z=num}
// minexptime/maxexptime = num (seconds)
// minsize/maxsize = num
// collisiondetection = bool
// vertical = bool
// texture = e.g."default_wood.png"
int ModApiParticles::l_add_particlespawner(lua_State *L)
{
	// Get parameters
	u16 amount = 1;
	v3f minpos, maxpos, minvel, maxvel, minacc, maxacc;
	    minpos= maxpos= minvel= maxvel= minacc= maxacc= v3f(0, 0, 0);
	float time, minexptime, maxexptime, minsize, maxsize;
	      time= minexptime= maxexptime= minsize= maxsize= 1;
	bool collisiondetection, vertical;
	     collisiondetection= vertical= false;
	std::string texture = "";
	const char *playername = "";

	if (lua_gettop(L) > 1) //deprecated
	{
		log_deprecated(L,"Deprecated add_particlespawner call with individual parameters instead of definition");
		amount = luaL_checknumber(L, 1);
		time = luaL_checknumber(L, 2);
		minpos = check_v3f(L, 3);
		maxpos = check_v3f(L, 4);
		minvel = check_v3f(L, 5);
		maxvel = check_v3f(L, 6);
		minacc = check_v3f(L, 7);
		maxacc = check_v3f(L, 8);
		minexptime = luaL_checknumber(L, 9);
		maxexptime = luaL_checknumber(L, 10);
		minsize = luaL_checknumber(L, 11);
		maxsize = luaL_checknumber(L, 12);
		collisiondetection = lua_toboolean(L, 13);
		texture = luaL_checkstring(L, 14);
		if (lua_gettop(L) == 15) // only spawn for a single player
			playername = luaL_checkstring(L, 15);
	}
	else if (lua_istable(L, 1))
	{
		int table = lua_gettop(L);
		lua_pushnil(L);
		while (lua_next(L, table) != 0)
		{
			const char *key = lua_tostring(L, -2);
			      if(strcmp(key,"amount")==0){
					amount=luaL_checknumber(L, -1);
			}else if(strcmp(key,"time")==0){
					time=luaL_checknumber(L, -1);
			}else if(strcmp(key,"minpos")==0){
					minpos=check_v3f(L, -1);
			}else if(strcmp(key,"maxpos")==0){
					maxpos=check_v3f(L, -1);
			}else if(strcmp(key,"minvel")==0){
					minvel=check_v3f(L, -1);
			}else if(strcmp(key,"maxvel")==0){
					maxvel=check_v3f(L, -1);
			}else if(strcmp(key,"minacc")==0){
					minacc=check_v3f(L, -1);
			}else if(strcmp(key,"maxacc")==0){
					maxacc=check_v3f(L, -1);
			}else if(strcmp(key,"minexptime")==0){
					minexptime=luaL_checknumber(L, -1);
			}else if(strcmp(key,"maxexptime")==0){
					maxexptime=luaL_checknumber(L, -1);
			}else if(strcmp(key,"minsize")==0){
					minsize=luaL_checknumber(L, -1);
			}else if(strcmp(key,"maxsize")==0){
					maxsize=luaL_checknumber(L, -1);
			}else if(strcmp(key,"collisiondetection")==0){
					collisiondetection=lua_toboolean(L, -1);
			}else if(strcmp(key,"vertical")==0){
					vertical=lua_toboolean(L, -1);
			}else if(strcmp(key,"texture")==0){
					texture=luaL_checkstring(L, -1);
			}else if(strcmp(key,"playername")==0){
					playername=luaL_checkstring(L, -1);
			}
			lua_pop(L, 1);
		}
	}
	if (strcmp(playername, "")==0) //spawn for all players
	{
		u32 id = getServer(L)->addParticleSpawnerAll(	amount, time,
							minpos, maxpos,
							minvel, maxvel,
							minacc, maxacc,
							minexptime, maxexptime,
							minsize, maxsize,
							collisiondetection,
							vertical,
							texture);
		lua_pushnumber(L, id);
	}
	else
	{
		u32 id = getServer(L)->addParticleSpawner(playername,
							amount, time,
							minpos, maxpos,
							minvel, maxvel,
							minacc, maxacc,
							minexptime, maxexptime,
							minsize, maxsize,
							collisiondetection,
							vertical,
							texture);
		lua_pushnumber(L, id);
	}
	return 1;
}

// delete_particlespawner(id, player)
// player (string) is optional
int ModApiParticles::l_delete_particlespawner(lua_State *L)
{
	// Get parameters
	u32 id = luaL_checknumber(L, 1);

	if (lua_gettop(L) == 2) // only delete for one player
	{
		const char *playername = luaL_checkstring(L, 2);
		getServer(L)->deleteParticleSpawner(playername, id);
	}
	else // delete for all players
	{
		getServer(L)->deleteParticleSpawnerAll(id);
	}
	return 1;
}

void ModApiParticles::Initialize(lua_State *L, int top)
{
	API_FCT(add_particle);
	API_FCT(add_particlespawner);
	API_FCT(delete_particlespawner);
}

/span> do if tool:sub(1, 1) == '~' then good_tool = toolname:find(tool:sub(2)) ~= nil else good_tool = toolname == tool end if good_tool then break end end end if good_rarity and good_tool then got_count = got_count + 1 for _, add_item in ipairs(item.items) do got_items[#got_items+1] = add_item end if drop.max_items ~= nil and got_count == drop.max_items then break end end end return got_items end function core.item_place_node(itemstack, placer, pointed_thing, param2) local def = itemstack:get_definition() if def.type ~= "node" or pointed_thing.type ~= "node" then return itemstack, false end local under = pointed_thing.under local oldnode_under = core.get_node_or_nil(under) local above = pointed_thing.above local oldnode_above = core.get_node_or_nil(above) local playername = placer:get_player_name() if not oldnode_under or not oldnode_above then core.log("info", playername .. " tried to place" .. " node in unloaded position " .. core.pos_to_string(above)) return itemstack, false end local olddef_under = core.registered_nodes[oldnode_under.name] olddef_under = olddef_under or core.nodedef_default local olddef_above = core.registered_nodes[oldnode_above.name] olddef_above = olddef_above or core.nodedef_default if not olddef_above.buildable_to and not olddef_under.buildable_to then core.log("info", playername .. " tried to place" .. " node in invalid position " .. core.pos_to_string(above) .. ", replacing " .. oldnode_above.name) return itemstack, false end -- Place above pointed node local place_to = {x = above.x, y = above.y, z = above.z} -- If node under is buildable_to, place into it instead (eg. snow) if olddef_under.buildable_to then core.log("info", "node under is buildable to") place_to = {x = under.x, y = under.y, z = under.z} end if core.is_protected(place_to, playername) and not minetest.check_player_privs(placer, "protection_bypass") then core.log("action", playername .. " tried to place " .. def.name .. " at protected position " .. core.pos_to_string(place_to)) core.record_protection_violation(place_to, playername) return itemstack