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/*
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)
{
MAP_LOCK_REQUIRED;
// 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 = "";
std::string 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))
{
lua_getfield(L, 1, "pos");
pos = lua_istable(L, -1) ? check_v3f(L, -1) : v3f();
lua_pop(L, 1);
lua_getfield(L, 1, "vel");
if (lua_istable(L, -1)) {
vel = check_v3f(L, -1);
log_deprecated(L, "The use of vel is deprecated. "
"Use velocity instead");
}
lua_pop(L, 1);
lua_getfield(L, 1, "velocity");
vel = lua_istable(L, -1) ? check_v3f(L, -1) : vel;
lua_pop(L, 1);
lua_getfield(L, 1, "acc");
if (lua_istable(L, -1)) {
acc = check_v3f(L, -1);
log_deprecated(L, "The use of acc is deprecated. "
"Use acceleration instead");
}
lua_pop(L, 1);
lua_getfield(L, 1, "acceleration");
acc = lua_istable(L, -1) ? check_v3f(L, -1) : acc;
lua_pop(L, 1);
expirationtime = getfloatfield_default(L, 1, "expirationtime", 1);
size = getfloatfield_default(L, 1, "size", 1);
collisiondetection = getboolfield_default(L, 1,
"collisiondetection", collisiondetection);
vertical = getboolfield_default(L, 1, "vertical", vertical);
texture = getstringfield_default(L, 1, "texture", "");
playername = getstringfield_default(L, 1, "playername", "");
}
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)
{
MAP_LOCK_REQUIRED;
// 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 = "";
std::string 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))
{
amount = getintfield_default(L, 1, "amount", amount);
time = getfloatfield_default(L, 1, "time", time);
lua_getfield(L, 1, "minpos");
minpos = lua_istable(L, -1) ? check_v3f(L, -1) : minpos;
lua_pop(L, 1);
lua_getfield(L, 1, "maxpos");
maxpos = lua_istable(L, -1) ? check_v3f(L, -1) : maxpos;
lua_pop(L, 1);
lua_getfield(L, 1, "minvel");
minvel = lua_istable(L, -1) ? check_v3f(L, -1) : minvel;
lua_pop(L, 1);
lua_getfield(L, 1, "maxvel");
maxvel = lua_istable(L, -1) ? check_v3f(L, -1) : maxvel;
lua_pop(L, 1);
lua_getfield(L, 1, "minacc");
minacc = lua_istable(L, -1) ? check_v3f(L, -1) : minacc;
lua_pop(L, 1);
lua_getfield(L, 1, "maxacc");
maxacc = lua_istable(L, -1) ? check_v3f(L, -1) : maxacc;
lua_pop(L, 1);
minexptime = getfloatfield_default(L, 1, "minexptime", minexptime);
maxexptime = getfloatfield_default(L, 1, "maxexptime", maxexptime);
minsize = getfloatfield_default(L, 1, "minsize", minsize);
maxsize = getfloatfield_default(L, 1, "maxsize", maxsize);
collisiondetection = getboolfield_default(L, 1,
"collisiondetection", collisiondetection);
vertical = getboolfield_default(L, 1, "vertical", vertical);
texture = getstringfield_default(L, 1, "texture", "");
playername = getstringfield_default(L, 1, "playername", "");
}
u32 id = getServer(L)->addParticleSpawner(amount, time,
minpos, maxpos,
minvel, maxvel,
minacc, maxacc,
minexptime, maxexptime,
minsize, maxsize,
collisiondetection,
vertical,
texture, playername);
lua_pushnumber(L, id);
return 1;
}
// delete_particlespawner(id, player)
// player (string) is optional
int ModApiParticles::l_delete_particlespawner(lua_State *L)
{
MAP_LOCK_REQUIRED;
// Get parameters
u32 id = luaL_checknumber(L, 1);
std::string playername = "";
if (lua_gettop(L) == 2) {
playername = luaL_checkstring(L, 2);
}
getServer(L)->deleteParticleSpawner(playername, id);
return 1;
}
void ModApiParticles::Initialize(lua_State *L, int top)
{
API_FCT(add_particle);
API_FCT(add_particlespawner);
API_FCT(delete_particlespawner);
}
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