mirror of
https://github.com/minetest/minetest.git
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327 lines
9.3 KiB
C++
327 lines
9.3 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "lua_api/l_particles.h"
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#include "lua_api/l_object.h"
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#include "lua_api/l_internal.h"
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#include "lua_api/l_particleparams.h"
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#include "common/c_converter.h"
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#include "common/c_content.h"
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#include "server.h"
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#include "particles.h"
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void LuaParticleParams::readTexValue(lua_State* L, ServerParticleTexture& tex)
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{
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StackUnroller unroll(L);
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tex.animated = false;
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if (lua_isstring(L, -1)) {
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tex.string = lua_tostring(L, -1);
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return;
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}
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luaL_checktype(L, -1, LUA_TTABLE);
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lua_getfield(L, -1, "name");
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tex.string = luaL_checkstring(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, -1, "animation");
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if (! lua_isnil(L, -1)) {
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tex.animated = true;
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tex.animation = read_animation_definition(L, -1);
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}
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lua_pop(L, 1);
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lua_getfield(L, -1, "blend");
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LuaParticleParams::readLuaValue(L, tex.blendmode);
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lua_pop(L, 1);
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LuaParticleParams::readTweenTable(L, "alpha", tex.alpha);
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LuaParticleParams::readTweenTable(L, "scale", tex.scale);
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}
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// add_particle({...})
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int ModApiParticles::l_add_particle(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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// Get parameters
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ParticleParameters p;
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std::string playername;
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if (lua_gettop(L) > 1) // deprecated
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{
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log_deprecated(L, "Deprecated add_particle call with "
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"individual parameters instead of definition");
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p.pos = check_v3f(L, 1);
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p.vel = check_v3f(L, 2);
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p.acc = check_v3f(L, 3);
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p.expirationtime = luaL_checknumber(L, 4);
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p.size = luaL_checknumber(L, 5);
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p.collisiondetection = readParam<bool>(L, 6);
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p.texture.string = luaL_checkstring(L, 7);
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if (lua_gettop(L) == 8) // only spawn for a single player
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playername = luaL_checkstring(L, 8);
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}
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else if (lua_istable(L, 1))
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{
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lua_getfield(L, 1, "pos");
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if (lua_istable(L, -1))
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p.pos = check_v3f(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, 1, "vel");
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if (lua_istable(L, -1)) {
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p.vel = check_v3f(L, -1);
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log_deprecated(L, "The use of vel is deprecated. "
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"Use velocity instead");
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}
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lua_pop(L, 1);
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lua_getfield(L, 1, "velocity");
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if (lua_istable(L, -1))
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p.vel = check_v3f(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, 1, "acc");
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if (lua_istable(L, -1)) {
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p.acc = check_v3f(L, -1);
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log_deprecated(L, "The use of acc is deprecated. "
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"Use acceleration instead");
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}
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lua_pop(L, 1);
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lua_getfield(L, 1, "acceleration");
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if (lua_istable(L, -1))
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p.acc = check_v3f(L, -1);
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lua_pop(L, 1);
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p.expirationtime = getfloatfield_default(L, 1, "expirationtime",
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p.expirationtime);
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p.size = getfloatfield_default(L, 1, "size", p.size);
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p.collisiondetection = getboolfield_default(L, 1,
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"collisiondetection", p.collisiondetection);
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p.collision_removal = getboolfield_default(L, 1,
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"collision_removal", p.collision_removal);
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p.object_collision = getboolfield_default(L, 1,
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"object_collision", p.object_collision);
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p.vertical = getboolfield_default(L, 1, "vertical", p.vertical);
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lua_getfield(L, 1, "animation");
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p.animation = read_animation_definition(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, 1, "texture");
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if (!lua_isnil(L, -1)) {
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LuaParticleParams::readTexValue(L, p.texture);
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}
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lua_pop(L, 1);
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p.glow = getintfield_default(L, 1, "glow", p.glow);
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lua_getfield(L, 1, "node");
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if (lua_istable(L, -1))
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p.node = readnode(L, -1);
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lua_pop(L, 1);
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p.node_tile = getintfield_default(L, 1, "node_tile", p.node_tile);
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playername = getstringfield_default(L, 1, "playername", "");
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lua_getfield(L, 1, "drag");
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if (lua_istable(L, -1))
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p.drag = check_v3f(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, 1, "jitter");
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LuaParticleParams::readLuaValue(L, p.jitter);
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lua_pop(L, 1);
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lua_getfield(L, 1, "bounce");
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LuaParticleParams::readLuaValue(L, p.bounce);
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lua_pop(L, 1);
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}
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getServer(L)->spawnParticle(playername, p);
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return 1;
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}
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// add_particlespawner({...})
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int ModApiParticles::l_add_particlespawner(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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// Get parameters
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ParticleSpawnerParameters p;
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ServerActiveObject *attached = NULL;
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std::string playername;
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using namespace ParticleParamTypes;
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if (lua_gettop(L) > 1) //deprecated
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{
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log_deprecated(L, "Deprecated add_particlespawner call with "
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"individual parameters instead of definition");
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p.amount = luaL_checknumber(L, 1);
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p.time = luaL_checknumber(L, 2);
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auto minpos = check_v3f(L, 3);
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auto maxpos = check_v3f(L, 4);
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auto minvel = check_v3f(L, 5);
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auto maxvel = check_v3f(L, 6);
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auto minacc = check_v3f(L, 7);
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auto maxacc = check_v3f(L, 8);
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auto minexptime = luaL_checknumber(L, 9);
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auto maxexptime = luaL_checknumber(L, 10);
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auto minsize = luaL_checknumber(L, 11);
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auto maxsize = luaL_checknumber(L, 12);
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p.pos = v3fRange(minpos, maxpos);
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p.vel = v3fRange(minvel, maxvel);
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p.acc = v3fRange(minacc, maxacc);
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p.exptime = f32Range(minexptime, maxexptime);
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p.size = f32Range(minsize, maxsize);
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p.collisiondetection = readParam<bool>(L, 13);
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p.texture.string = luaL_checkstring(L, 14);
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if (lua_gettop(L) == 15) // only spawn for a single player
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playername = luaL_checkstring(L, 15);
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}
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else if (lua_istable(L, 1))
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{
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p.amount = getintfield_default(L, 1, "amount", p.amount);
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p.time = getfloatfield_default(L, 1, "time", p.time);
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// set default values
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p.exptime = 1;
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p.size = 1;
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// read spawner parameters from the table
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LuaParticleParams::readTweenTable(L, "pos", p.pos);
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LuaParticleParams::readTweenTable(L, "vel", p.vel);
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LuaParticleParams::readTweenTable(L, "acc", p.acc);
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LuaParticleParams::readTweenTable(L, "size", p.size);
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LuaParticleParams::readTweenTable(L, "exptime", p.exptime);
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LuaParticleParams::readTweenTable(L, "drag", p.drag);
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LuaParticleParams::readTweenTable(L, "jitter", p.jitter);
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LuaParticleParams::readTweenTable(L, "bounce", p.bounce);
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lua_getfield(L, 1, "attract");
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if (!lua_isnil(L, -1)) {
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luaL_checktype(L, -1, LUA_TTABLE);
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lua_getfield(L, -1, "kind");
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LuaParticleParams::readLuaValue(L, p.attractor_kind);
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lua_pop(L,1);
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lua_getfield(L, -1, "die_on_contact");
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if (!lua_isnil(L, -1))
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p.attractor_kill = readParam<bool>(L, -1);
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lua_pop(L,1);
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if (p.attractor_kind != AttractorKind::none) {
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LuaParticleParams::readTweenTable(L, "strength", p.attract);
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LuaParticleParams::readTweenTable(L, "origin", p.attractor_origin);
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p.attractor_attachment = LuaParticleParams::readAttachmentID(L, "origin_attached");
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if (p.attractor_kind != AttractorKind::point) {
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LuaParticleParams::readTweenTable(L, "direction", p.attractor_direction);
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p.attractor_direction_attachment = LuaParticleParams::readAttachmentID(L, "direction_attached");
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}
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}
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} else {
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p.attractor_kind = AttractorKind::none;
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}
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lua_pop(L,1);
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LuaParticleParams::readTweenTable(L, "radius", p.radius);
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p.collisiondetection = getboolfield_default(L, 1,
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"collisiondetection", p.collisiondetection);
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p.collision_removal = getboolfield_default(L, 1,
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"collision_removal", p.collision_removal);
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p.object_collision = getboolfield_default(L, 1,
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"object_collision", p.object_collision);
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lua_getfield(L, 1, "animation");
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p.animation = read_animation_definition(L, -1);
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lua_pop(L, 1);
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lua_getfield(L, 1, "attached");
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if (!lua_isnil(L, -1)) {
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ObjectRef *ref = checkObject<ObjectRef>(L, -1);
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lua_pop(L, 1);
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attached = ObjectRef::getobject(ref);
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}
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lua_getfield(L, 1, "texture");
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if (!lua_isnil(L, -1)) {
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LuaParticleParams::readTexValue(L, p.texture);
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}
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lua_pop(L, 1);
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p.vertical = getboolfield_default(L, 1, "vertical", p.vertical);
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playername = getstringfield_default(L, 1, "playername", "");
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p.glow = getintfield_default(L, 1, "glow", p.glow);
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lua_getfield(L, 1, "texpool");
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if (lua_istable(L, -1)) {
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size_t tl = lua_objlen(L, -1);
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p.texpool.reserve(tl);
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for (size_t i = 0; i < tl; ++i) {
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lua_pushinteger(L, i+1), lua_gettable(L, -2);
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p.texpool.emplace_back();
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LuaParticleParams::readTexValue(L, p.texpool.back());
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lua_pop(L,1);
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}
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}
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lua_pop(L, 1);
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lua_getfield(L, 1, "node");
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if (lua_istable(L, -1))
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p.node = readnode(L, -1);
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lua_pop(L, 1);
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p.node_tile = getintfield_default(L, 1, "node_tile", p.node_tile);
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}
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u32 id = getServer(L)->addParticleSpawner(p, attached, playername);
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lua_pushnumber(L, id);
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return 1;
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}
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// delete_particlespawner(id, player)
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// player (string) is optional
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int ModApiParticles::l_delete_particlespawner(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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// Get parameters
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u32 id = luaL_checknumber(L, 1);
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std::string playername;
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if (lua_gettop(L) == 2) {
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playername = luaL_checkstring(L, 2);
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}
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getServer(L)->deleteParticleSpawner(playername, id);
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return 1;
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}
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void ModApiParticles::Initialize(lua_State *L, int top)
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{
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API_FCT(add_particle);
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API_FCT(add_particlespawner);
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API_FCT(delete_particlespawner);
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}
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