From e1ff5b13619666e5b987ecf4faaf294400ffd979 Mon Sep 17 00:00:00 2001 From: Jeija Date: Wed, 23 Jan 2013 18:32:02 +0100 Subject: Allow spawning particles from the server, from lua Spawn single particles or make use of ParticleSpawner for many randomly spawned particles. Accessible in Lua using minetest.spawn_particle and minetest.add_particlespawner. Increase Protocol Version to 17. Conflicts: src/clientserver.h --- src/scriptapi_particles.cpp | 143 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 src/scriptapi_particles.cpp (limited to 'src/scriptapi_particles.cpp') diff --git a/src/scriptapi_particles.cpp b/src/scriptapi_particles.cpp new file mode 100644 index 000000000..dc9b3776e --- /dev/null +++ b/src/scriptapi_particles.cpp @@ -0,0 +1,143 @@ +/* +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola + +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 "scriptapi.h" +#include "scriptapi_particles.h" +#include "server.h" +#include "script.h" +#include "scriptapi_types.h" +#include "scriptapi_common.h" + +// add_particle(pos, velocity, acceleration, expirationtime, +// size, collisiondetection, texture, player) +// pos/velocity/acceleration = {x=num, y=num, z=num} +// expirationtime = num (seconds) +// size = num +// texture = e.g."default_wood.png" +int l_add_particle(lua_State *L) +{ + // Get server from registry + Server *server = get_server(L); + // Get parameters + v3f pos = check_v3f(L, 1); + v3f vel = check_v3f(L, 2); + v3f acc = check_v3f(L, 3); + float expirationtime = luaL_checknumber(L, 4); + float size = luaL_checknumber(L, 5); + bool collisiondetection = lua_toboolean(L, 6); + std::string texture = luaL_checkstring(L, 7); + + if (lua_gettop(L) == 8) // only spawn for a single player + { + const char *playername = luaL_checkstring(L, 8); + server->spawnParticle(playername, + pos, vel, acc, expirationtime, + size, collisiondetection, texture); + } + else // spawn for all players + { + server->spawnParticleAll(pos, vel, acc, + expirationtime, size, collisiondetection, texture); + } + return 1; +} + +// add_particlespawner(amount, time, +// minpos, maxpos, +// minvel, maxvel, +// minacc, maxacc, +// minexptime, maxexptime, +// minsize, maxsize, +// collisiondetection, +// texture, +// player) +// minpos/maxpos/minvel/maxvel/minacc/maxacc = {x=num, y=num, z=num} +// minexptime/maxexptime = num (seconds) +// minsize/maxsize = num +// collisiondetection = bool +// texture = e.g."default_wood.png" +int l_add_particlespawner(lua_State *L) +{ + // Get server from registry + Server *server = get_server(L); + // Get parameters + u16 amount = luaL_checknumber(L, 1); + float time = luaL_checknumber(L, 2); + v3f minpos = check_v3f(L, 3); + v3f maxpos = check_v3f(L, 4); + v3f minvel = check_v3f(L, 5); + v3f maxvel = check_v3f(L, 6); + v3f minacc = check_v3f(L, 7); + v3f maxacc = check_v3f(L, 8); + float minexptime = luaL_checknumber(L, 9); + float maxexptime = luaL_checknumber(L, 10); + float minsize = luaL_checknumber(L, 11); + float maxsize = luaL_checknumber(L, 12); + bool collisiondetection = lua_toboolean(L, 13); + std::string texture = luaL_checkstring(L, 14); + + if (lua_gettop(L) == 15) // only spawn for a single player + { + const char *playername = luaL_checkstring(L, 15); + u32 id = server->addParticleSpawner(playername, + amount, time, + minpos, maxpos, + minvel, maxvel, + minacc, maxacc, + minexptime, maxexptime, + minsize, maxsize, + collisiondetection, + texture); + lua_pushnumber(L, id); + } + else // spawn for all players + { + u32 id = server->addParticleSpawnerAll( amount, time, + minpos, maxpos, + minvel, maxvel, + minacc, maxacc, + minexptime, maxexptime, + minsize, maxsize, + collisiondetection, + texture); + lua_pushnumber(L, id); + } + return 1; +} + +// delete_particlespawner(id, player) +// player (string) is optional +int l_delete_particlespawner(lua_State *L) +{ + // Get server from registry + Server *server = get_server(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); + server->deleteParticleSpawner(playername, id); + } + else // delete for all players + { + server->deleteParticleSpawnerAll(id); + } + return 1; +} -- cgit v1.2.3