Example #1
0
void read_server_sound_params(lua_State *L, int index,
		ServerSoundParams &params)
{
	if(index < 0)
		index = lua_gettop(L) + 1 + index;
	// Clear
	params = ServerSoundParams();
	if(lua_istable(L, index)){
		getfloatfield(L, index, "gain", params.gain);
		getstringfield(L, index, "to_player", params.to_player);
		lua_getfield(L, index, "pos");
		if(!lua_isnil(L, -1)){
			v3f p = read_v3f(L, -1)*BS;
			params.pos = p;
			params.type = ServerSoundParams::SSP_POSITIONAL;
		}
		lua_pop(L, 1);
		lua_getfield(L, index, "object");
		if(!lua_isnil(L, -1)){
			ObjectRef *ref = ObjectRef::checkobject(L, -1);
			ServerActiveObject *sao = ObjectRef::getobject(ref);
			if(sao){
				params.object = sao->getId();
				params.type = ServerSoundParams::SSP_OBJECT;
			}
		}
		lua_pop(L, 1);
		params.max_hear_distance = BS*getfloatfield_default(L, index,
				"max_hear_distance", params.max_hear_distance/BS);
		getboolfield(L, index, "loop", params.loop);
	}
}
Example #2
0
// register_biome({lots of stuff})
int ModApiMapgen::l_register_biome(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	BiomeManager *bmgr    = getServer(L)->getEmergeManager()->biomemgr;

	enum BiomeType biometype = (BiomeType)getenumfield(L, index, "type",
		es_BiomeTerrainType, BIOME_TYPE_NORMAL);
	Biome *b = bmgr->create(biometype);

	b->name            = getstringfield_default(L, index, "name", "");
	b->depth_top       = getintfield_default(L, index, "depth_top",          1);
	b->depth_filler    = getintfield_default(L, index, "depth_filler",       3);
	b->height_shore    = getintfield_default(L, index, "height_shore",       3);
	b->depth_water_top = getintfield_default(L, index, "depth_water_top",    0);
	b->y_min           = getintfield_default(L, index, "y_min",         -31000);
	b->y_max           = getintfield_default(L, index, "y_max",          31000);
	b->heat_point      = getfloatfield_default(L, index, "heat_point",     0.f);
	b->humidity_point  = getfloatfield_default(L, index, "humidity_point", 0.f);
	b->flags           = 0; //reserved

	u32 id = bmgr->add(b);
	if (id == (u32)-1) {
		delete b;
		return 0;
	}

	NodeResolveInfo *nri = new NodeResolveInfo(b);
	std::list<std::string> &nnames = nri->nodenames;
	nnames.push_back(getstringfield_default(L, index, "node_top",          ""));
	nnames.push_back(getstringfield_default(L, index, "node_filler",       ""));
	nnames.push_back(getstringfield_default(L, index, "node_shore_top",    ""));
	nnames.push_back(getstringfield_default(L, index, "node_shore_filler", ""));
	nnames.push_back(getstringfield_default(L, index, "node_underwater",   ""));
	nnames.push_back(getstringfield_default(L, index, "node_stone",        ""));
	nnames.push_back(getstringfield_default(L, index, "node_water_top",    ""));
	nnames.push_back(getstringfield_default(L, index, "node_water",        ""));
	nnames.push_back(getstringfield_default(L, index, "node_dust",         ""));
	ndef->pendNodeResolve(nri);

	verbosestream << "register_biome: " << b->name << std::endl;

	lua_pushinteger(L, id);
	return 1;
}
Example #3
0
// register_biome({lots of stuff})
int ModApiMapgen::l_register_biome(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	BiomeDefManager *bmgr = getServer(L)->getEmergeManager()->biomedef;
	if (!bmgr) {
		verbosestream << "register_biome: BiomeDefManager not active" << std::endl;
		return 0;
	}

	enum BiomeTerrainType terrain = (BiomeTerrainType)getenumfield(L, index,
				"terrain_type", es_BiomeTerrainType, BIOME_TERRAIN_NORMAL);
	Biome *b = bmgr->createBiome(terrain);

	b->name         = getstringfield_default(L, index, "name",
												"<no name>");
	b->nname_top    = getstringfield_default(L, index, "node_top",
												"mapgen_dirt_with_grass");
	b->nname_filler = getstringfield_default(L, index, "node_filler",
												"mapgen_dirt");
	b->nname_water  = getstringfield_default(L, index, "node_water",
												"mapgen_water_source");
	b->nname_dust   = getstringfield_default(L, index, "node_dust",
												"air");
	b->nname_dust_water = getstringfield_default(L, index, "node_dust_water",
												"mapgen_water_source");

	b->depth_top      = getintfield_default(L, index, "depth_top",    1);
	b->depth_filler   = getintfield_default(L, index, "depth_filler", 3);
	b->height_min     = getintfield_default(L, index, "height_min",   0);
	b->height_max     = getintfield_default(L, index, "height_max",   0);
	b->heat_point     = getfloatfield_default(L, index, "heat_point",     0.);
	b->humidity_point = getfloatfield_default(L, index, "humidity_point", 0.);

	b->flags        = 0; //reserved
	b->c_top        = CONTENT_IGNORE;
	b->c_filler     = CONTENT_IGNORE;
	b->c_water      = CONTENT_IGNORE;
	b->c_dust       = CONTENT_IGNORE;
	b->c_dust_water = CONTENT_IGNORE;

	verbosestream << "register_biome: " << b->name << std::endl;
	bmgr->addBiome(b);

	return 0;
}
Example #4
0
// set_clouds(self, {density=, color=, ambient=, height=, thickness=, speed=})
int ObjectRef::l_set_clouds(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	ObjectRef *ref = checkobject(L, 1);
	RemotePlayer *player = getplayer(ref);
	if (!player)
		return 0;
	if (!lua_istable(L, 2))
		return 0;

	CloudParams cloud_params = player->getCloudParams();

	cloud_params.density = getfloatfield_default(L, 2, "density", cloud_params.density);

	lua_getfield(L, 2, "color");
	if (!lua_isnil(L, -1))
		read_color(L, -1, &cloud_params.color_bright);
	lua_pop(L, 1);
	lua_getfield(L, 2, "ambient");
	if (!lua_isnil(L, -1))
		read_color(L, -1, &cloud_params.color_ambient);
	lua_pop(L, 1);

	cloud_params.height    = getfloatfield_default(L, 2, "height",    cloud_params.height   );
	cloud_params.thickness = getfloatfield_default(L, 2, "thickness", cloud_params.thickness);

	lua_getfield(L, 2, "speed");
	if (lua_istable(L, -1)) {
		v2f new_speed;
		new_speed.X = getfloatfield_default(L, -1, "x", 0);
		new_speed.Y = getfloatfield_default(L, -1, "y", 0);
		cloud_params.speed = new_speed;
	}
	lua_pop(L, 1);

	if (!getServer(L)->setClouds(player, cloud_params.density,
			cloud_params.color_bright, cloud_params.color_ambient,
			cloud_params.height, cloud_params.thickness,
			cloud_params.speed))
		return 0;

	player->setCloudParams(cloud_params);

	lua_pushboolean(L, true);
	return 1;
}
Example #5
0
bool read_noiseparams_nc(lua_State *L, int index, NoiseParams *np)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	if (!lua_istable(L, index))
		return false;

	np->offset  = getfloatfield_default(L, index, "offset",  0.0);
	np->scale   = getfloatfield_default(L, index, "scale",   0.0);
	np->persist = getfloatfield_default(L, index, "persist", 0.0);
	np->seed    = getintfield_default(L,   index, "seed",    0);
	np->octaves = getintfield_default(L,   index, "octaves", 0);

	lua_getfield(L, index, "spread");
	np->spread  = read_v3f(L, -1);
	lua_pop(L, 1);

	return true;
}
Example #6
0
/*
	NoiseParams
*/
NoiseParams *read_noiseparams(lua_State *L, int index)
{
	if (index < 0)
		index = lua_gettop(L) + 1 + index;

	if (!lua_istable(L, index))
		return NULL;

	NoiseParams *np = new NoiseParams;

	np->offset  = getfloatfield_default(L, index, "offset", 0.0);
	np->scale   = getfloatfield_default(L, index, "scale", 0.0);
	lua_getfield(L, index, "spread");
	np->spread  = read_v3f(L, -1);
	np->seed    = getintfield_default(L, index, "seed", 0);
	np->octaves = getintfield_default(L, index, "octaves", 0);
	np->persist = getfloatfield_default(L, index, "persist", 0.0);

	return np;
}
Example #7
0
Biome *read_biome_def(lua_State *L, int index, INodeDefManager *ndef)
{
	if (!lua_istable(L, index))
		return NULL;

	BiomeType biometype = (BiomeType)getenumfield(L, index, "type",
		ModApiMapgen::es_BiomeTerrainType, BIOMETYPE_NORMAL);
	Biome *b = BiomeManager::create(biometype);

	b->name            = getstringfield_default(L, index, "name", "");
	b->depth_top       = getintfield_default(L,    index, "depth_top",       0);
	b->depth_filler    = getintfield_default(L,    index, "depth_filler",    -31000);
	b->depth_water_top = getintfield_default(L,    index, "depth_water_top", 0);
	b->depth_riverbed  = getintfield_default(L,    index, "depth_riverbed",  0);
	b->y_min           = getintfield_default(L,    index, "y_min",           -31000);
	b->y_max           = getintfield_default(L,    index, "y_max",           31000);
	b->heat_point      = getfloatfield_default(L,  index, "heat_point",      0.f);
	b->humidity_point  = getfloatfield_default(L,  index, "humidity_point",  0.f);
	b->flags           = 0; //reserved

	std::vector<std::string> &nn = b->m_nodenames;
	nn.push_back(getstringfield_default(L, index, "node_top",         ""));
	nn.push_back(getstringfield_default(L, index, "node_filler",      ""));
	nn.push_back(getstringfield_default(L, index, "node_stone",       ""));
	nn.push_back(getstringfield_default(L, index, "node_water_top",   ""));
	nn.push_back(getstringfield_default(L, index, "node_water",       ""));
	nn.push_back(getstringfield_default(L, index, "node_river_water", ""));
	nn.push_back(getstringfield_default(L, index, "node_riverbed",    ""));
	nn.push_back(getstringfield_default(L, index, "node_dust",        ""));

	//freeminer:
	nn.push_back(getstringfield_default(L, index, "node_ice", "mapgen_ice"));
	nn.push_back(getstringfield_default(L, index, "node_top_cold", "mapgen_dirt_with_snow"));

	ndef->pendNodeResolve(b);

	return b;
}
Example #8
0
// set_physics_override(self, physics_override_speed, physics_override_jump,
//                      physics_override_gravity, sneak, sneak_glitch, new_move)
int ObjectRef::l_set_physics_override(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	ObjectRef *ref = checkobject(L, 1);
	PlayerSAO *co = (PlayerSAO *) getobject(ref);
	if (co == NULL) return 0;
	// Do it
	if (lua_istable(L, 2)) {
		co->m_physics_override_speed = getfloatfield_default(
				L, 2, "speed", co->m_physics_override_speed);
		co->m_physics_override_jump = getfloatfield_default(
				L, 2, "jump", co->m_physics_override_jump);
		co->m_physics_override_gravity = getfloatfield_default(
				L, 2, "gravity", co->m_physics_override_gravity);
		co->m_physics_override_sneak = getboolfield_default(
				L, 2, "sneak", co->m_physics_override_sneak);
		co->m_physics_override_sneak_glitch = getboolfield_default(
				L, 2, "sneak_glitch", co->m_physics_override_sneak_glitch);
		co->m_physics_override_new_move = getboolfield_default(
				L, 2, "new_move", co->m_physics_override_new_move);
		co->m_physics_override_sent = false;
	} else {
		// old, non-table format
		if (!lua_isnil(L, 2)) {
			co->m_physics_override_speed = lua_tonumber(L, 2);
			co->m_physics_override_sent = false;
		}
		if (!lua_isnil(L, 3)) {
			co->m_physics_override_jump = lua_tonumber(L, 3);
			co->m_physics_override_sent = false;
		}
		if (!lua_isnil(L, 4)) {
			co->m_physics_override_gravity = lua_tonumber(L, 4);
			co->m_physics_override_sent = false;
		}
	}
	return 0;
}
Example #9
0
int ModApiBasic::l_register_ore(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	EmergeManager *emerge = getServer(L)->getEmergeManager();

	enum OreType oretype = (OreType)getenumfield(L, index,
				"ore_type", es_OreType, ORE_SCATTER);
	Ore *ore = createOre(oretype);
	if (!ore) {
		errorstream << "register_ore: ore_type "
			<< oretype << " not implemented";
		return 0;
	}

	ore->ore_name       = getstringfield_default(L, index, "ore", "");
	ore->ore_param2     = (u8)getintfield_default(L, index, "ore_param2", 0);
	ore->wherein_name   = getstringfield_default(L, index, "wherein", "");
	ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
	ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
	ore->clust_size     = getintfield_default(L, index, "clust_size", 0);
	ore->height_min     = getintfield_default(L, index, "height_min", 0);
	ore->height_max     = getintfield_default(L, index, "height_max", 0);
	ore->flags          = getflagsfield(L, index, "flags", flagdesc_ore);
	ore->nthresh        = getfloatfield_default(L, index, "noise_threshhold", 0.);

	lua_getfield(L, index, "noise_params");
	ore->np = read_noiseparams(L, -1);
	lua_pop(L, 1);

	ore->noise = NULL;

	if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
		errorstream << "register_ore: clust_scarcity and clust_num_ores"
			"must be greater than 0" << std::endl;
		delete ore;
		return 0;
	}

	emerge->ores.push_back(ore);

	verbosestream << "register_ore: ore '" << ore->ore_name
		<< "' registered" << std::endl;
	return 0;
}
Example #10
0
TileDef read_tiledef(lua_State *L, int index)
{
	if(index < 0)
		index = lua_gettop(L) + 1 + index;

	TileDef tiledef;

	// key at index -2 and value at index
	if(lua_isstring(L, index)){
		// "default_lava.png"
		tiledef.name = lua_tostring(L, index);
	}
	else if(lua_istable(L, index))
	{
		// {name="default_lava.png", animation={}}
		tiledef.name = "";
		getstringfield(L, index, "name", tiledef.name);
		getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
		tiledef.backface_culling = getboolfield_default(
					L, index, "backface_culling", true);
		// animation = {}
		lua_getfield(L, index, "animation");
		if(lua_istable(L, -1)){
			// {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
			tiledef.animation.type = (TileAnimationType)
					getenumfield(L, -1, "type", es_TileAnimationType,
					TAT_NONE);
			tiledef.animation.aspect_w =
					getintfield_default(L, -1, "aspect_w", 16);
			tiledef.animation.aspect_h =
					getintfield_default(L, -1, "aspect_h", 16);
			tiledef.animation.length =
					getfloatfield_default(L, -1, "length", 1.0);
		}
		lua_pop(L, 1);
	}

	return tiledef;
}
Example #11
0
// register_decoration({lots of stuff})
int ModApiMapgen::l_register_decoration(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef      = getServer(L)->getNodeDefManager();
	DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
	BiomeManager *biomemgr     = getServer(L)->getEmergeManager()->biomemgr;
	SchematicManager *schemmgr = getServer(L)->getEmergeManager()->schemmgr;

	enum DecorationType decotype = (DecorationType)getenumfield(L, index,
				"deco_type", es_DecorationType, -1);

	Decoration *deco = decomgr->create(decotype);
	if (!deco) {
		errorstream << "register_decoration: decoration placement type "
			<< decotype << " not implemented" << std::endl;
		return 0;
	}

	deco->name       = getstringfield_default(L, index, "name", "");
	deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
	deco->y_min      = getintfield_default(L, index, "y_min", -31000);
	deco->y_max      = getintfield_default(L, index, "y_max", 31000);
	deco->nspawnby   = getintfield_default(L, index, "num_spawn_by", -1);
	deco->sidelen    = getintfield_default(L, index, "sidelen", 8);
	if (deco->sidelen <= 0) {
		errorstream << "register_decoration: sidelen must be "
			"greater than 0" << std::endl;
		delete deco;
		return 0;
	}

	//// Get node name(s) to place decoration on
	size_t nread = getstringlistfield(L, index, "place_on", &deco->m_nodenames);
	deco->m_nnlistsizes.push_back(nread);

	//// Get decoration flags
	getflagsfield(L, index, "flags", flagdesc_deco, &deco->flags, NULL);

	//// Get NoiseParams to define how decoration is placed
	lua_getfield(L, index, "noise_params");
	if (read_noiseparams(L, -1, &deco->np))
		deco->flags |= DECO_USE_NOISE;
	lua_pop(L, 1);

	//// Get biomes associated with this decoration (if any)
	lua_getfield(L, index, "biomes");
	if (get_biome_list(L, -1, biomemgr, &deco->biomes))
		errorstream << "register_decoration: couldn't get all biomes " << std::endl;
	lua_pop(L, 1);

	//// Get node name(s) to 'spawn by'
	size_t nnames = getstringlistfield(L, index, "spawn_by", &deco->m_nodenames);
	deco->m_nnlistsizes.push_back(nnames);
	if (nnames == 0 && deco->nspawnby != -1) {
		errorstream << "register_decoration: no spawn_by nodes defined,"
			" but num_spawn_by specified" << std::endl;
	}

	//// Handle decoration type-specific parameters
	bool success = false;
	switch (decotype) {
	case DECO_SIMPLE:
		success = read_deco_simple(L, (DecoSimple *)deco);
		break;
	case DECO_SCHEMATIC:
		success = read_deco_schematic(L, schemmgr, (DecoSchematic *)deco);
		break;
	case DECO_LSYSTEM:
		break;
	}

	if (!success) {
		delete deco;
		return 0;
	}

	ndef->pendNodeResolve(deco);

	ObjDefHandle handle = decomgr->add(deco);
	if (handle == OBJDEF_INVALID_HANDLE) {
		delete deco;
		return 0;
	}

	lua_pushinteger(L, handle);
	return 1;
}
Example #12
0
// register_ore({lots of stuff})
int ModApiMapgen::l_register_ore(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	BiomeManager *bmgr    = getServer(L)->getEmergeManager()->biomemgr;
	OreManager *oremgr    = getServer(L)->getEmergeManager()->oremgr;

	enum OreType oretype = (OreType)getenumfield(L, index,
				"ore_type", es_OreType, ORE_SCATTER);
	Ore *ore = oremgr->create(oretype);
	if (!ore) {
		errorstream << "register_ore: ore_type " << oretype << " not implemented\n";
		return 0;
	}

	ore->name           = getstringfield_default(L, index, "name", "");
	ore->ore_param2     = (u8)getintfield_default(L, index, "ore_param2", 0);
	ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
	ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
	ore->clust_size     = getintfield_default(L, index, "clust_size", 0);
	ore->noise          = NULL;
	ore->flags          = 0;

	//// Get noise_threshold
	warn_if_field_exists(L, index, "noise_threshhold",
		"Deprecated: new name is \"noise_threshold\".");

	float nthresh;
	if (!getfloatfield(L, index, "noise_threshold", nthresh) &&
			!getfloatfield(L, index, "noise_threshhold", nthresh))
		nthresh = 0;
	ore->nthresh = nthresh;

	//// Get y_min/y_max
	warn_if_field_exists(L, index, "height_min",
		"Deprecated: new name is \"y_min\".");
	warn_if_field_exists(L, index, "height_max",
		"Deprecated: new name is \"y_max\".");

	int ymin, ymax;
	if (!getintfield(L, index, "y_min", ymin) &&
		!getintfield(L, index, "height_min", ymin))
		ymin = -31000;
	if (!getintfield(L, index, "y_max", ymax) &&
		!getintfield(L, index, "height_max", ymax))
		ymax = 31000;
	ore->y_min = ymin;
	ore->y_max = ymax;

	if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
		errorstream << "register_ore: clust_scarcity and clust_num_ores"
			"must be greater than 0" << std::endl;
		delete ore;
		return 0;
	}

	//// Get flags
	getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);

	//// Get biomes associated with this decoration (if any)
	lua_getfield(L, index, "biomes");
	if (get_biome_list(L, -1, bmgr, &ore->biomes))
		errorstream << "register_ore: couldn't get all biomes " << std::endl;
	lua_pop(L, 1);

	//// Get noise parameters if needed
	lua_getfield(L, index, "noise_params");
	if (read_noiseparams(L, -1, &ore->np)) {
		ore->flags |= OREFLAG_USE_NOISE;
	} else if (ore->NEEDS_NOISE) {
		errorstream << "register_ore: specified ore type requires valid "
			"noise parameters" << std::endl;
		delete ore;
		return 0;
	}
	lua_pop(L, 1);

	//// Get type-specific parameters
	switch (oretype) {
		case ORE_SHEET: {
			OreSheet *oresheet = (OreSheet *)ore;

			oresheet->column_height_min = getintfield_default(L, index,
				"column_height_min", 1);
			oresheet->column_height_max = getintfield_default(L, index,
				"column_height_max", ore->clust_size);
			oresheet->column_midpoint_factor = getfloatfield_default(L, index,
				"column_midpoint_factor", 0.5f);

			break;
		}
		case ORE_PUFF: {
			OrePuff *orepuff = (OrePuff *)ore;

			lua_getfield(L, index, "np_puff_top");
			read_noiseparams(L, -1, &orepuff->np_puff_top);
			lua_pop(L, 1);

			lua_getfield(L, index, "np_puff_bottom");
			read_noiseparams(L, -1, &orepuff->np_puff_bottom);
			lua_pop(L, 1);

			break;
		}
		case ORE_VEIN: {
			OreVein *orevein = (OreVein *)ore;

			orevein->random_factor = getfloatfield_default(L, index,
				"random_factor", 1.f);

			break;
		}
		default:
			break;
	}

	ObjDefHandle handle = oremgr->add(ore);
	if (handle == OBJDEF_INVALID_HANDLE) {
		delete ore;
		return 0;
	}

	ore->m_nodenames.push_back(getstringfield_default(L, index, "ore", ""));

	size_t nnames = getstringlistfield(L, index, "wherein", &ore->m_nodenames);
	ore->m_nnlistsizes.push_back(nnames);

	ndef->pendNodeResolve(ore);

	lua_pushinteger(L, handle);
	return 1;
}
Example #13
0
// register_ore({lots of stuff})
int ModApiMapgen::l_register_ore(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	OreManager *oremgr    = getServer(L)->getEmergeManager()->oremgr;

	enum OreType oretype = (OreType)getenumfield(L, index,
				"ore_type", es_OreType, ORE_TYPE_SCATTER);
	Ore *ore = oremgr->create(oretype);
	if (!ore) {
		errorstream << "register_ore: ore_type " << oretype << " not implemented";
		return 0;
	}

	ore->name           = getstringfield_default(L, index, "name", "");
	ore->ore_param2     = (u8)getintfield_default(L, index, "ore_param2", 0);
	ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
	ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
	ore->clust_size     = getintfield_default(L, index, "clust_size", 0);
	ore->nthresh        = getfloatfield_default(L, index, "noise_threshhold", 0);
	ore->noise          = NULL;
	ore->flags          = 0;

	warn_if_field_exists(L, index, "height_min",
		"Deprecated: new name is \"y_min\".");
	warn_if_field_exists(L, index, "height_max",
		"Deprecated: new name is \"y_max\".");

	int ymin, ymax;
	if (!getintfield(L, index, "y_min", ymin) &&
		!getintfield(L, index, "height_min", ymin))
		ymin = -31000;
	if (!getintfield(L, index, "y_max", ymax) &&
		!getintfield(L, index, "height_max", ymax))
		ymax = 31000;
	ore->y_min = ymin;
	ore->y_max = ymax;

	if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
		errorstream << "register_ore: clust_scarcity and clust_num_ores"
			"must be greater than 0" << std::endl;
		delete ore;
		return 0;
	}

	getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);

	lua_getfield(L, index, "noise_params");
	if (read_noiseparams(L, -1, &ore->np)) {
		ore->flags |= OREFLAG_USE_NOISE;
	} else if (ore->NEEDS_NOISE) {
		errorstream << "register_ore: specified ore type requires valid "
			"noise parameters" << std::endl;
		delete ore;
		return 0;
	}
	lua_pop(L, 1);

	if (oretype == ORE_TYPE_VEIN) {
		OreVein *orevein = (OreVein *)ore;
		orevein->random_factor = getfloatfield_default(L, index,
			"random_factor", 1.f);
	}

	u32 id = oremgr->add(ore);
	if (id == (u32)-1) {
		delete ore;
		return 0;
	}

	NodeResolveInfo *nri = new NodeResolveInfo(ore);
	nri->nodenames.push_back(getstringfield_default(L, index, "ore", ""));

	std::vector<const char *> wherein_names;
	getstringlistfield(L, index, "wherein", wherein_names);
	nri->nodelistinfo.push_back(NodeListInfo(wherein_names.size()));
	for (size_t i = 0; i != wherein_names.size(); i++)
		nri->nodenames.push_back(wherein_names[i]);

	ndef->pendNodeResolve(nri);

	verbosestream << "register_ore: " << ore->name << std::endl;

	lua_pushinteger(L, id);
	return 1;
}
Example #14
0
// register_decoration({lots of stuff})
int ModApiMapgen::l_register_decoration(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef      = getServer(L)->getNodeDefManager();
	DecorationManager *decomgr = getServer(L)->getEmergeManager()->decomgr;
	BiomeManager *biomemgr     = getServer(L)->getEmergeManager()->biomemgr;

	enum DecorationType decotype = (DecorationType)getenumfield(L, index,
				"deco_type", es_DecorationType, -1);

	Decoration *deco = decomgr->create(decotype);
	if (!deco) {
		errorstream << "register_decoration: decoration placement type "
			<< decotype << " not implemented";
		return 0;
	}

	deco->name       = getstringfield_default(L, index, "name", "");
	deco->fill_ratio = getfloatfield_default(L, index, "fill_ratio", 0.02);
	deco->y_min      = getintfield_default(L, index, "y_min", -31000);
	deco->y_max      = getintfield_default(L, index, "y_max", 31000);
	deco->sidelen    = getintfield_default(L, index, "sidelen", 8);
	if (deco->sidelen <= 0) {
		errorstream << "register_decoration: sidelen must be "
			"greater than 0" << std::endl;
		delete deco;
		return 0;
	}

	NodeResolveInfo *nri = new NodeResolveInfo(deco);

	//// Get node name(s) to place decoration on
	std::vector<const char *> place_on_names;
	getstringlistfield(L, index, "place_on", place_on_names);
	nri->nodelistinfo.push_back(NodeListInfo(place_on_names.size()));
	for (size_t i = 0; i != place_on_names.size(); i++)
		nri->nodenames.push_back(place_on_names[i]);

	getflagsfield(L, index, "flags", flagdesc_deco, &deco->flags, NULL);

	//// Get NoiseParams to define how decoration is placed
	lua_getfield(L, index, "noise_params");
	if (read_noiseparams(L, -1, &deco->np))
		deco->flags |= DECO_USE_NOISE;
	lua_pop(L, 1);

	//// Get biomes associated with this decoration (if any)
	std::vector<const char *> biome_list;
	getstringlistfield(L, index, "biomes", biome_list);
	for (size_t i = 0; i != biome_list.size(); i++) {
		Biome *b = (Biome *)biomemgr->getByName(biome_list[i]);
		if (!b)
			continue;

		deco->biomes.insert(b->id);
	}

	//// Handle decoration type-specific parameters
	bool success = false;
	switch (decotype) {
		case DECO_SIMPLE:
			success = regDecoSimple(L, nri, (DecoSimple *)deco);
			break;
		case DECO_SCHEMATIC:
			success = regDecoSchematic(L, ndef, (DecoSchematic *)deco);
			break;
		case DECO_LSYSTEM:
			break;
	}

	ndef->pendNodeResolve(nri);

	if (!success) {
		delete deco;
		return 0;
	}

	u32 id = decomgr->add(deco);
	if (id == (u32)-1) {
		delete deco;
		return 0;
	}

	verbosestream << "register_decoration: " << deco->name << std::endl;

	lua_pushinteger(L, id);
	return 1;
}
Example #15
0
// 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 = "";
	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;
}
Example #16
0
ItemDefinition read_item_definition(lua_State* L,int index,
		ItemDefinition default_def)
{
	if(index < 0)
		index = lua_gettop(L) + 1 + index;

	// Read the item definition
	ItemDefinition def = default_def;

	def.type = (ItemType)getenumfield(L, index, "type",
			es_ItemType, ITEM_NONE);
	getstringfield(L, index, "name", def.name);
	getstringfield(L, index, "description", def.description);
	getstringfield(L, index, "inventory_image", def.inventory_image);
	getstringfield(L, index, "wield_image", def.wield_image);

	lua_getfield(L, index, "wield_scale");
	if(lua_istable(L, -1)){
		def.wield_scale = check_v3f(L, -1);
	}
	lua_pop(L, 1);
	
	def.stack_max = getintfield_default(L, index, "stack_max", def.stack_max);
	if(def.stack_max == 0)
		def.stack_max = 1;

	lua_getfield(L, index, "on_use");
	def.usable = lua_isfunction(L, -1);
	lua_pop(L, 1);

	getboolfield(L, index, "liquids_pointable", def.liquids_pointable);

	warn_if_field_exists(L, index, "tool_digging_properties",
			"deprecated: use tool_capabilities");

	lua_getfield(L, index, "tool_capabilities");
	if(lua_istable(L, -1)){
		def.tool_capabilities = new ToolCapabilities(
				read_tool_capabilities(L, -1));
	}

	// If name is "" (hand), ensure there are ToolCapabilities
	// because it will be looked up there whenever any other item has
	// no ToolCapabilities
	if(def.name == "" && def.tool_capabilities == NULL){
		def.tool_capabilities = new ToolCapabilities();
	}

	lua_getfield(L, index, "groups");
	read_groups(L, -1, def.groups);
	lua_pop(L, 1);

	lua_getfield(L, index, "sounds");
	if(lua_istable(L, -1)){
		lua_getfield(L, -1, "place");
		read_soundspec(L, -1, def.sound_place);
		lua_pop(L, 1);
	}
	lua_pop(L, 1);

	def.range = getfloatfield_default(L, index, "range", def.range);

	// Client shall immediately place this node when player places the item.
	// Server will update the precise end result a moment later.
	// "" = no prediction
	getstringfield(L, index, "node_placement_prediction",
			def.node_placement_prediction);

	return def;
}
Example #17
0
// 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 = "";
	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;
}
Example #18
0
// register_decoration({lots of stuff})
int ModApiBasic::l_register_decoration(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);
	
	EmergeManager *emerge = getServer(L)->getEmergeManager();
	BiomeDefManager *bdef = emerge->biomedef;

	enum DecorationType decotype = (DecorationType)getenumfield(L, index,
				"deco_type", es_DecorationType, -1);
	if (decotype == -1) {
		errorstream << "register_decoration: unrecognized "
			"decoration placement type";
		return 0;
	}
	
	Decoration *deco = createDecoration(decotype);
	if (!deco) {
		errorstream << "register_decoration: decoration placement type "
			<< decotype << " not implemented";
		return 0;
	}

	deco->c_place_on    = CONTENT_IGNORE;
	deco->place_on_name = getstringfield_default(L, index, "place_on", "ignore");
	deco->sidelen       = getintfield_default(L, index, "sidelen", 8);
	deco->fill_ratio    = getfloatfield_default(L, index, "fill_ratio", 0.02);
	
	lua_getfield(L, index, "noise_params");
	deco->np = read_noiseparams(L, -1);
	lua_pop(L, 1);
	
	lua_getfield(L, index, "biomes");
	if (lua_istable(L, -1)) {
		lua_pushnil(L);
		while (lua_next(L, -2)) {
			const char *s = lua_tostring(L, -1);
			u8 biomeid = bdef->getBiomeIdByName(s);
			if (biomeid)
				deco->biomes.insert(biomeid);

			lua_pop(L, 1);
		}
		lua_pop(L, 1);
	}
	
	switch (decotype) {
		case DECO_SIMPLE: {
			DecoSimple *dsimple = (DecoSimple *)deco;
			dsimple->c_deco     = CONTENT_IGNORE;
			dsimple->c_spawnby  = CONTENT_IGNORE;
			dsimple->spawnby_name    = getstringfield_default(L, index, "spawn_by", "air");
			dsimple->deco_height     = getintfield_default(L, index, "height", 1);
			dsimple->deco_height_max = getintfield_default(L, index, "height_max", 0);
			dsimple->nspawnby        = getintfield_default(L, index, "num_spawn_by", -1);
			
			lua_getfield(L, index, "decoration");
			if (lua_istable(L, -1)) {
				lua_pushnil(L);
				while (lua_next(L, -2)) {
					const char *s = lua_tostring(L, -1);
					std::string str(s);
					dsimple->decolist_names.push_back(str);

					lua_pop(L, 1);
				}
			} else if (lua_isstring(L, -1)) {
				dsimple->deco_name  = std::string(lua_tostring(L, -1));
			} else {
				dsimple->deco_name = std::string("air");
			}
			lua_pop(L, 1);
			
			if (dsimple->deco_height <= 0) {
				errorstream << "register_decoration: simple decoration height"
					" must be greater than 0" << std::endl;
				delete dsimple;
				return 0;
			}

			break; }
		case DECO_SCHEMATIC: {
			//DecoSchematic *decoschematic = (DecoSchematic *)deco;
			
			break; }
		case DECO_LSYSTEM: {
			//DecoLSystem *decolsystem = (DecoLSystem *)deco;
		
			break; }
	}
	
	if (deco->sidelen <= 0) {
		errorstream << "register_decoration: sidelen must be "
			"greater than 0" << std::endl;
		delete deco;
		return 0;
	}
	
	emerge->decorations.push_back(deco);

	verbosestream << "register_decoration: decoration '" << deco->getName()
		<< "' registered" << std::endl;
	return 0;
}
Example #19
0
// register_ore({lots of stuff})
int ModApiMapgen::l_register_ore(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	INodeDefManager *ndef = getServer(L)->getNodeDefManager();
	OreManager *oremgr    = getServer(L)->getEmergeManager()->oremgr;

	enum OreType oretype = (OreType)getenumfield(L, index,
				"ore_type", es_OreType, ORE_SCATTER);
	Ore *ore = oremgr->create(oretype);
	if (!ore) {
		errorstream << "register_ore: ore_type " << oretype << " not implemented";
		return 0;
	}

	ore->name           = getstringfield_default(L, index, "name", "");
	ore->ore_param2     = (u8)getintfield_default(L, index, "ore_param2", 0);
	ore->clust_scarcity = getintfield_default(L, index, "clust_scarcity", 1);
	ore->clust_num_ores = getintfield_default(L, index, "clust_num_ores", 1);
	ore->clust_size     = getintfield_default(L, index, "clust_size", 0);
	ore->nthresh        = getfloatfield_default(L, index, "noise_threshhold", 0);
	ore->noise          = NULL;
	ore->flags          = 0;

	warn_if_field_exists(L, index, "height_min",
		"Deprecated: new name is \"y_min\".");
	warn_if_field_exists(L, index, "height_max",
		"Deprecated: new name is \"y_max\".");

	int ymin, ymax;
	if (!getintfield(L, index, "y_min", ymin) &&
		!getintfield(L, index, "height_min", ymin))
		ymin = -31000;
	if (!getintfield(L, index, "y_max", ymax) &&
		!getintfield(L, index, "height_max", ymax))
		ymax = 31000;
	ore->y_min = ymin;
	ore->y_max = ymax;

	if (ore->clust_scarcity <= 0 || ore->clust_num_ores <= 0) {
		errorstream << "register_ore: clust_scarcity and clust_num_ores"
			"must be greater than 0" << std::endl;
		delete ore;
		return 0;
	}

	getflagsfield(L, index, "flags", flagdesc_ore, &ore->flags, NULL);

	lua_getfield(L, index, "noise_params");
	if (read_noiseparams(L, -1, &ore->np)) {
		ore->flags |= OREFLAG_USE_NOISE;
	} else if (ore->NEEDS_NOISE) {
		errorstream << "register_ore: specified ore type requires valid "
			"noise parameters" << std::endl;
		delete ore;
		return 0;
	}
	lua_pop(L, 1);

	if (oretype == ORE_VEIN) {
		OreVein *orevein = (OreVein *)ore;
		orevein->random_factor = getfloatfield_default(L, index,
			"random_factor", 1.f);
	}

	ObjDefHandle handle = oremgr->add(ore);
	if (handle == OBJDEF_INVALID_HANDLE) {
		delete ore;
		return 0;
	}

	ore->m_nodenames.push_back(getstringfield_default(L, index, "ore", ""));

	size_t nnames = getstringlistfield(L, index, "wherein", &ore->m_nodenames);
	ore->m_nnlistsizes.push_back(nnames);

	ndef->pendNodeResolve(ore, NODE_RESOLVE_DEFERRED);

	lua_pushinteger(L, handle);
	return 1;
}
Example #20
0
// add_particlespawner({amount=, time=,
//				minpos=, maxpos=,
//				minvel=, maxvel=,
//				minacc=, maxacc=,
//				minexptime=, maxexptime=,
//				minsize=, maxsize=,
//				collisiondetection=,
//				collision_removal=,
//				object_collision=,
//				vertical=,
//				texture=,
//				player=})
// minpos/maxpos/minvel/maxvel/minacc/maxacc = {x=num, y=num, z=num}
// minexptime/maxexptime = num (seconds)
// minsize/maxsize = num
// collisiondetection = bool
// collision_removal = bool
// object_collision = bool
// vertical = bool
// texture = e.g."default_wood.png"
// animation = TileAnimation definition
// glow = num
int ModApiParticles::l_add_particlespawner(lua_State *L)
{
	MAP_LOCK_REQUIRED;

	// Get parameters
	u16 amount = 1;
	v3f minpos, maxpos, minvel, maxvel, minacc, maxacc;
	float time, minexptime, maxexptime, minsize, maxsize;
	time = minexptime = maxexptime = minsize = maxsize = 1;
	bool collisiondetection, vertical, collision_removal, object_collision;
	collisiondetection = vertical = collision_removal = object_collision = false;
	struct TileAnimationParams animation;
	animation.type = TAT_NONE;
	ServerActiveObject *attached = NULL;
	std::string texture;
	std::string playername;
	u8 glow = 0;

	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 = readParam<bool>(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);
		collision_removal = getboolfield_default(L, 1,
			"collision_removal", collision_removal);
		object_collision = getboolfield_default(L, 1,
			"object_collision", object_collision);

		lua_getfield(L, 1, "animation");
		animation = read_animation_definition(L, -1);
		lua_pop(L, 1);

		lua_getfield(L, 1, "attached");
		if (!lua_isnil(L, -1)) {
			ObjectRef *ref = ObjectRef::checkobject(L, -1);
			lua_pop(L, 1);
			attached = ObjectRef::getobject(ref);
		}

		vertical = getboolfield_default(L, 1, "vertical", vertical);
		texture = getstringfield_default(L, 1, "texture", "");
		playername = getstringfield_default(L, 1, "playername", "");
		glow = getintfield_default(L, 1, "glow", 0);
	}

	u32 id = getServer(L)->addParticleSpawner(amount, time,
			minpos, maxpos,
			minvel, maxvel,
			minacc, maxacc,
			minexptime, maxexptime,
			minsize, maxsize,
			collisiondetection,
			collision_removal,
			object_collision,
			attached,
			vertical,
			texture, playername,
			animation, glow);
	lua_pushnumber(L, id);

	return 1;
}
Example #21
0
TileDef read_tiledef(lua_State *L, int index, u8 drawtype)
{
	if(index < 0)
		index = lua_gettop(L) + 1 + index;

	TileDef tiledef;

	bool default_tiling = true;
	bool default_culling = true;
	switch (drawtype) {
		case NDT_PLANTLIKE:
		case NDT_FIRELIKE:
			default_tiling = false;
			// "break" is omitted here intentionaly, as PLANTLIKE
			// FIRELIKE drawtype both should default to having
			// backface_culling to false.
		case NDT_MESH:
		case NDT_LIQUID:
			default_culling = false;
			break;
		default:
			break;
	}

	// key at index -2 and value at index
	if(lua_isstring(L, index)){
		// "default_lava.png"
		tiledef.name = lua_tostring(L, index);
		tiledef.tileable_vertical = default_tiling;
		tiledef.tileable_horizontal = default_tiling;
		tiledef.backface_culling = default_culling;
	}
	else if(lua_istable(L, index))
	{
		// {name="default_lava.png", animation={}}
		tiledef.name = "";
		getstringfield(L, index, "name", tiledef.name);
		getstringfield(L, index, "image", tiledef.name); // MaterialSpec compat.
		tiledef.backface_culling = getboolfield_default(
			L, index, "backface_culling", default_culling);
		tiledef.tileable_horizontal = getboolfield_default(
			L, index, "tileable_horizontal", default_tiling);
		tiledef.tileable_vertical = getboolfield_default(
			L, index, "tileable_vertical", default_tiling);
		// animation = {}
		lua_getfield(L, index, "animation");
		if(lua_istable(L, -1)){
			// {type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}
			tiledef.animation.type = (TileAnimationType)
				getenumfield(L, -1, "type", es_TileAnimationType,
				TAT_NONE);
			tiledef.animation.aspect_w =
				getintfield_default(L, -1, "aspect_w", 16);
			tiledef.animation.aspect_h =
				getintfield_default(L, -1, "aspect_h", 16);
			tiledef.animation.length =
				getfloatfield_default(L, -1, "length", 1.0);
		}
		lua_pop(L, 1);
	}

	return tiledef;
}
Example #22
0
// add_particle({pos=, velocity=, acceleration=, expirationtime=,
//     size=, collisiondetection=, collision_removal=, object_collision=,
//     vertical=, texture=, player=})
// pos/velocity/acceleration = {x=num, y=num, z=num}
// expirationtime = num (seconds)
// size = num
// collisiondetection = bool
// collision_removal = bool
// object_collision = bool
// vertical = bool
// texture = e.g."default_wood.png"
// animation = TileAnimation definition
// glow = num
int ModApiParticles::l_add_particle(lua_State *L)
{
	MAP_LOCK_REQUIRED;

	// Get parameters
	v3f pos, vel, acc;
	float expirationtime, size;
	expirationtime = size = 1;
	bool collisiondetection, vertical, collision_removal, object_collision;
	collisiondetection = vertical = collision_removal = object_collision = false;
	struct TileAnimationParams animation;
	animation.type = TAT_NONE;
	std::string texture;
	std::string playername;
	u8 glow = 0;

	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 = readParam<bool>(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);
		collision_removal = getboolfield_default(L, 1,
			"collision_removal", collision_removal);
		object_collision = getboolfield_default(L, 1,
			"object_collision", object_collision);
		vertical = getboolfield_default(L, 1, "vertical", vertical);

		lua_getfield(L, 1, "animation");
		animation = read_animation_definition(L, -1);
		lua_pop(L, 1);

		texture = getstringfield_default(L, 1, "texture", "");
		playername = getstringfield_default(L, 1, "playername", "");

		glow = getintfield_default(L, 1, "glow", 0);
	}
	getServer(L)->spawnParticle(playername, pos, vel, acc, expirationtime, size,
			collisiondetection, collision_removal, object_collision, vertical,
			texture, animation, glow);
	return 1;
}
Example #23
0
// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
int ModApiCraft::l_register_craft(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	//infostream<<"register_craft"<<std::endl;
	luaL_checktype(L, 1, LUA_TTABLE);
	int table = 1;

	// Get the writable craft definition manager from the server
	IWritableCraftDefManager *craftdef =
			getServer(L)->getWritableCraftDefManager();

	std::string type = getstringfield_default(L, table, "type", "shaped");

	/*
		CraftDefinitionShaped
	*/
	if(type == "shaped"){
		std::string output = getstringfield_default(L, table, "output", "");
		if(output == "")
			throw LuaError("Crafting definition is missing an output");

		int width = 0;
		std::vector<std::string> recipe;
		lua_getfield(L, table, "recipe");
		if(lua_isnil(L, -1))
			throw LuaError("Crafting definition is missing a recipe"
					" (output=\"" + output + "\")");
		if(!readCraftRecipeShaped(L, -1, width, recipe))
			throw LuaError("Invalid crafting recipe"
					" (output=\"" + output + "\")");

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (output=\"" + output + "\")");
		}

		CraftDefinition *def = new CraftDefinitionShaped(
				output, width, recipe, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionShapeless
	*/
	else if(type == "shapeless"){
		std::string output = getstringfield_default(L, table, "output", "");
		if(output == "")
			throw LuaError("Crafting definition (shapeless)"
					" is missing an output");

		std::vector<std::string> recipe;
		lua_getfield(L, table, "recipe");
		if(lua_isnil(L, -1))
			throw LuaError("Crafting definition (shapeless)"
					" is missing a recipe"
					" (output=\"" + output + "\")");
		if(!readCraftRecipeShapeless(L, -1, recipe))
			throw LuaError("Invalid crafting recipe"
					" (output=\"" + output + "\")");

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (output=\"" + output + "\")");
		}

		CraftDefinition *def = new CraftDefinitionShapeless(
				output, recipe, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionToolRepair
	*/
	else if(type == "toolrepair"){
		float additional_wear = getfloatfield_default(L, table,
				"additional_wear", 0.0);

		CraftDefinition *def = new CraftDefinitionToolRepair(
				additional_wear);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionCooking
	*/
	else if(type == "cooking"){
		std::string output = getstringfield_default(L, table, "output", "");
		if(output == "")
			throw LuaError("Crafting definition (cooking)"
					" is missing an output");

		std::string recipe = getstringfield_default(L, table, "recipe", "");
		if(recipe == "")
			throw LuaError("Crafting definition (cooking)"
					" is missing a recipe"
					" (output=\"" + output + "\")");

		float cooktime = getfloatfield_default(L, table, "cooktime", 3.0);

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (cooking output=\"" + output + "\")");
		}

		CraftDefinition *def = new CraftDefinitionCooking(
				output, recipe, cooktime, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionFuel
	*/
	else if(type == "fuel"){
		std::string recipe = getstringfield_default(L, table, "recipe", "");
		if(recipe == "")
			throw LuaError("Crafting definition (fuel)"
					" is missing a recipe");

		float burntime = getfloatfield_default(L, table, "burntime", 1.0);

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (fuel recipe=\"" + recipe + "\")");
		}

		CraftDefinition *def = new CraftDefinitionFuel(
				recipe, burntime, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	else
	{
		throw LuaError("Unknown crafting definition type: \"" + type + "\"");
	}

	lua_pop(L, 1);
	return 0; /* number of results */
}
Example #24
0
// register_decoration({lots of stuff})
int ModApiMapgen::l_register_decoration(lua_State *L)
{
	int index = 1;
	luaL_checktype(L, index, LUA_TTABLE);

	EmergeManager *emerge = getServer(L)->getEmergeManager();
	BiomeDefManager *bdef = emerge->biomedef;

	enum DecorationType decotype = (DecorationType)getenumfield(L, index,
				"deco_type", es_DecorationType, -1);
	if (decotype == -1) {
		errorstream << "register_decoration: unrecognized "
			"decoration placement type";
		return 0;
	}

	Decoration *deco = createDecoration(decotype);
	if (!deco) {
		errorstream << "register_decoration: decoration placement type "
			<< decotype << " not implemented";
		return 0;
	}

	deco->c_place_on    = CONTENT_IGNORE;
	deco->place_on_name = getstringfield_default(L, index, "place_on", "ignore");
	deco->fill_ratio    = getfloatfield_default(L, index, "fill_ratio", 0.02);
	deco->sidelen       = getintfield_default(L, index, "sidelen", 8);
	if (deco->sidelen <= 0) {
		errorstream << "register_decoration: sidelen must be "
			"greater than 0" << std::endl;
		delete deco;
		return 0;
	}

	lua_getfield(L, index, "noise_params");
	deco->np = read_noiseparams(L, -1);
	lua_pop(L, 1);

	lua_getfield(L, index, "biomes");
	if (lua_istable(L, -1)) {
		lua_pushnil(L);
		while (lua_next(L, -2)) {
			const char *s = lua_tostring(L, -1);
			u8 biomeid = bdef->getBiomeIdByName(s);
			if (biomeid)
				deco->biomes.insert(biomeid);

			lua_pop(L, 1);
		}
		lua_pop(L, 1);
	}

	switch (decotype) {
		case DECO_SIMPLE: {
			DecoSimple *dsimple = (DecoSimple *)deco;
			dsimple->c_deco     = CONTENT_IGNORE;
			dsimple->c_spawnby  = CONTENT_IGNORE;
			dsimple->spawnby_name    = getstringfield_default(L, index, "spawn_by", "air");
			dsimple->deco_height     = getintfield_default(L, index, "height", 1);
			dsimple->deco_height_max = getintfield_default(L, index, "height_max", 0);
			dsimple->nspawnby        = getintfield_default(L, index, "num_spawn_by", -1);

			lua_getfield(L, index, "decoration");
			if (lua_istable(L, -1)) {
				lua_pushnil(L);
				while (lua_next(L, -2)) {
					const char *s = lua_tostring(L, -1);
					std::string str(s);
					dsimple->decolist_names.push_back(str);

					lua_pop(L, 1);
				}
			} else if (lua_isstring(L, -1)) {
				dsimple->deco_name = std::string(lua_tostring(L, -1));
			} else {
				dsimple->deco_name = std::string("air");
			}
			lua_pop(L, 1);

			if (dsimple->deco_height <= 0) {
				errorstream << "register_decoration: simple decoration height"
					" must be greater than 0" << std::endl;
				delete dsimple;
				return 0;
			}

			break; }
		case DECO_SCHEMATIC: {
			DecoSchematic *dschem = (DecoSchematic *)deco;

			dschem->flags = 0;
			getflagsfield(L, index, "flags", flagdesc_deco_schematic,
				&dschem->flags, NULL);

			dschem->rotation = (Rotation)getenumfield(L, index,
				"rotation", es_Rotation, ROTATE_0);

			lua_getfield(L, index, "replacements");
			if (lua_istable(L, -1)) {
				int i = lua_gettop(L);
				lua_pushnil(L);
				while (lua_next(L, i) != 0) {
					// key at index -2 and value at index -1
					lua_rawgeti(L, -1, 1);
					std::string replace_from = lua_tostring(L, -1);
					lua_pop(L, 1);
					lua_rawgeti(L, -1, 2);
					std::string replace_to = lua_tostring(L, -1);
					lua_pop(L, 1);
					dschem->replacements[replace_from] = replace_to;
					// removes value, keeps key for next iteration
					lua_pop(L, 1);
				}
			}
			lua_pop(L, 1);

			lua_getfield(L, index, "schematic");
			if (!read_schematic(L, -1, dschem, getServer(L))) {
				delete dschem;
				return 0;
			}
			lua_pop(L, -1);

			if (!dschem->filename.empty() && !dschem->loadSchematicFile()) {
				errorstream << "register_decoration: failed to load schematic file '"
					<< dschem->filename << "'" << std::endl;
				delete dschem;
				return 0;
			}
			break; }
		case DECO_LSYSTEM: {
			//DecoLSystem *decolsystem = (DecoLSystem *)deco;

			break; }
	}

	emerge->decorations.push_back(deco);

	verbosestream << "register_decoration: decoration '" << deco->getName()
		<< "' registered" << std::endl;
	return 0;
}