minetest/src/script/lua_api/l_particles_local.cpp

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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2017 red-001 <red-001@outlook.ie>
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_local.h"
#include "common/c_content.h"
#include "common/c_converter.h"
#include "lua_api/l_internal.h"
#include "lua_api/l_object.h"
#include "particles.h"
#include "client.h"
#include "client/clientevent.h"
int ModApiParticlesLocal::l_add_particle(lua_State *L)
{
luaL_checktype(L, 1, LUA_TTABLE);
// Get parameters
v3f pos, vel, acc;
float expirationtime, size;
bool collisiondetection, vertical, collision_removal;
struct TileAnimationParams animation;
animation.type = TAT_NONE;
std::string texture;
u8 glow;
lua_getfield(L, 1, "pos");
pos = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
lua_getfield(L, 1, "velocity");
vel = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
lua_getfield(L, 1, "acceleration");
acc = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
expirationtime = getfloatfield_default(L, 1, "expirationtime", 1);
size = getfloatfield_default(L, 1, "size", 1);
collisiondetection = getboolfield_default(L, 1, "collisiondetection", false);
collision_removal = getboolfield_default(L, 1, "collision_removal", false);
vertical = getboolfield_default(L, 1, "vertical", false);
lua_getfield(L, 1, "animation");
animation = read_animation_definition(L, -1);
lua_pop(L, 1);
texture = getstringfield_default(L, 1, "texture", "");
glow = getintfield_default(L, 1, "glow", 0);
ClientEvent *event = new ClientEvent();
event->type = CE_SPAWN_PARTICLE;
event->spawn_particle.pos = new v3f (pos);
event->spawn_particle.vel = new v3f (vel);
event->spawn_particle.acc = new v3f (acc);
event->spawn_particle.expirationtime = expirationtime;
event->spawn_particle.size = size;
event->spawn_particle.collisiondetection = collisiondetection;
event->spawn_particle.collision_removal = collision_removal;
event->spawn_particle.vertical = vertical;
event->spawn_particle.texture = new std::string(texture);
event->spawn_particle.animation = animation;
event->spawn_particle.glow = glow;
getClient(L)->pushToEventQueue(event);
return 0;
}
int ModApiParticlesLocal::l_add_particlespawner(lua_State *L)
{
luaL_checktype(L, 1, LUA_TTABLE);
// Get parameters
u16 amount;
v3f minpos, maxpos, minvel, maxvel, minacc, maxacc;
float time, minexptime, maxexptime, minsize, maxsize;
bool collisiondetection, vertical, collision_removal;
struct TileAnimationParams animation;
animation.type = TAT_NONE;
// TODO: Implement this when there is a way to get an objectref.
// ServerActiveObject *attached = NULL;
std::string texture;
u8 glow;
amount = getintfield_default(L, 1, "amount", 1);
time = getfloatfield_default(L, 1, "time", 1);
lua_getfield(L, 1, "minpos");
minpos = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
lua_getfield(L, 1, "maxpos");
maxpos = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
lua_getfield(L, 1, "minvel");
minvel = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
lua_getfield(L, 1, "maxvel");
maxvel = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
lua_getfield(L, 1, "minacc");
minacc = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
lua_getfield(L, 1, "maxacc");
maxacc = lua_istable(L, -1) ? check_v3f(L, -1) : v3f(0, 0, 0);
lua_pop(L, 1);
minexptime = getfloatfield_default(L, 1, "minexptime", 1);
maxexptime = getfloatfield_default(L, 1, "maxexptime", 1);
minsize = getfloatfield_default(L, 1, "minsize", 1);
maxsize = getfloatfield_default(L, 1, "maxsize", 1);
collisiondetection = getboolfield_default(L, 1, "collisiondetection", false);
collision_removal = getboolfield_default(L, 1, "collision_removal", false);
vertical = getboolfield_default(L, 1, "vertical", false);
lua_getfield(L, 1, "animation");
animation = read_animation_definition(L, -1);
lua_pop(L, 1);
// TODO: Implement this when a way to get an objectref on the client is added
// lua_getfield(L, 1, "attached");
// if (!lua_isnil(L, -1)) {
// ObjectRef *ref = ObjectRef::checkobject(L, -1);
// lua_pop(L, 1);
// attached = ObjectRef::getobject(ref);
// }
texture = getstringfield_default(L, 1, "texture", "");
glow = getintfield_default(L, 1, "glow", 0);
u32 id = getClient(L)->getParticleManager()->getSpawnerId();
ClientEvent *event = new ClientEvent();
event->type = CE_ADD_PARTICLESPAWNER;
event->add_particlespawner.amount = amount;
event->add_particlespawner.spawntime = time;
event->add_particlespawner.minpos = new v3f (minpos);
event->add_particlespawner.maxpos = new v3f (maxpos);
event->add_particlespawner.minvel = new v3f (minvel);
event->add_particlespawner.maxvel = new v3f (maxvel);
event->add_particlespawner.minacc = new v3f (minacc);
event->add_particlespawner.maxacc = new v3f (maxacc);
event->add_particlespawner.minexptime = minexptime;
event->add_particlespawner.maxexptime = maxexptime;
event->add_particlespawner.minsize = minsize;
event->add_particlespawner.maxsize = maxsize;
event->add_particlespawner.collisiondetection = collisiondetection;
event->add_particlespawner.collision_removal = collision_removal;
event->add_particlespawner.attached_id = 0;
event->add_particlespawner.vertical = vertical;
event->add_particlespawner.texture = new std::string(texture);
event->add_particlespawner.id = id;
event->add_particlespawner.animation = animation;
event->add_particlespawner.glow = glow;
getClient(L)->pushToEventQueue(event);
lua_pushnumber(L, id);
return 1;
}
int ModApiParticlesLocal::l_delete_particlespawner(lua_State *L)
{
// Get parameters
u32 id = luaL_checknumber(L, 1);
ClientEvent *event = new ClientEvent();
event->type = CE_DELETE_PARTICLESPAWNER;
event->delete_particlespawner.id = id;
getClient(L)->pushToEventQueue(event);
return 0;
}
void ModApiParticlesLocal::Initialize(lua_State *L, int top)
{
API_FCT(add_particle);
API_FCT(add_particlespawner);
API_FCT(delete_particlespawner);
}