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Add minetest.swap_node

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This commit is contained in:
Novatux 2013-11-23 15:35:49 +01:00
parent 752e11e114
commit d879a539cd
12 changed files with 82 additions and 29 deletions
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15
games/minimal/mods/default/init.lua
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@ -1318,18 +1318,13 @@ minetest.register_node("default:furnace_active", {
end,
})
function hacky_swap_node(pos,name)
function swap_node(pos,name)
local node = minetest.get_node(pos)
local meta = minetest.get_meta(pos)
local meta0 = meta:to_table()
if node.name == name then
return
end
node.name = name
local meta0 = meta:to_table()
minetest.set_node(pos,node)
meta = minetest.get_meta(pos)
meta:from_table(meta0)
minetest.swap_node(pos, node)
end
minetest.register_abm({
@ -1384,7 +1379,7 @@ minetest.register_abm({
local percent = math.floor(meta:get_float("fuel_time") /
meta:get_float("fuel_totaltime") * 100)
meta:set_string("infotext","Furnace active: "..percent.."%")
hacky_swap_node(pos,"default:furnace_active")
swap_node(pos,"default:furnace_active")
meta:set_string("formspec",
"size[8,9]"..
"image[2,2;1,1;default_furnace_fire_bg.png^[lowpart:"..
@ -1410,7 +1405,7 @@ minetest.register_abm({
if fuel.time <= 0 then
meta:set_string("infotext","Furnace out of fuel")
hacky_swap_node(pos,"default:furnace")
swap_node(pos,"default:furnace")
meta:set_string("formspec", default.furnace_inactive_formspec)
return
end
@ -1418,7 +1413,7 @@ minetest.register_abm({
if cooked.item:is_empty() then
if was_active then
meta:set_string("infotext","Furnace is empty")
hacky_swap_node(pos,"default:furnace")
swap_node(pos,"default:furnace")
meta:set_string("formspec", default.furnace_inactive_formspec)
end
return

12
src/client.cpp
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@ -1262,7 +1262,13 @@ void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
MapNode n;
n.deSerialize(&data[8], ser_version);
addNode(p, n);
bool remove_metadata = true;
u32 index = 8 + MapNode::serializedLength(ser_version);
if ((datasize >= index+1) && data[index]){
remove_metadata = false;
}
addNode(p, n, remove_metadata);
}
else if(command == TOCLIENT_BLOCKDATA)
{
@ -2514,7 +2520,7 @@ void Client::removeNode(v3s16 p)
}
}
void Client::addNode(v3s16 p, MapNode n)
void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
{
TimeTaker timer1("Client::addNode()");
@ -2523,7 +2529,7 @@ void Client::addNode(v3s16 p, MapNode n)
try
{
//TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
m_env.getMap().addNodeAndUpdate(p, n, modified_blocks);
m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
}
catch(InvalidPositionException &e)
{}

2
src/client.h
View File

@ -365,7 +365,7 @@ public:
// Causes urgent mesh updates (unlike Map::add/removeNodeWithEvent)
void removeNode(v3s16 p);
void addNode(v3s16 p, MapNode n);
void addNode(v3s16 p, MapNode n, bool remove_metadata = true);
void setPlayerControl(PlayerControl &control);

8
src/clientserver.h
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@ -102,7 +102,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
added to object properties
*/
#define LATEST_PROTOCOL_VERSION 21
#define LATEST_PROTOCOL_VERSION 22
// Server's supported network protocol range
#define SERVER_PROTOCOL_VERSION_MIN 13
@ -139,6 +139,12 @@ enum ToClientCommand
TOCLIENT_BLOCKDATA = 0x20, //TODO: Multiple blocks
TOCLIENT_ADDNODE = 0x21,
/*
u16 command
v3s16 position
serialized mapnode
u8 keep_metadata // Added in protocol version 22
*/
TOCLIENT_REMOVENODE = 0x22,
TOCLIENT_PLAYERPOS = 0x23, // Obsolete

5
src/environment.cpp
View File

@ -874,6 +874,11 @@ bool ServerEnvironment::removeNode(v3s16 p)
return true;
}
bool ServerEnvironment::swapNode(v3s16 p, const MapNode &n)
{
return m_map->addNodeWithEvent(p, n, false);
}
std::set<u16> ServerEnvironment::getObjectsInsideRadius(v3f pos, float radius)
{
std::set<u16> objects;

1
src/environment.h
View File

@ -283,6 +283,7 @@ public:
// Script-aware node setters
bool setNode(v3s16 p, const MapNode &n);
bool removeNode(v3s16 p);
bool swapNode(v3s16 p, const MapNode &n);
// Find all active objects inside a radius around a point
std::set<u16> getObjectsInsideRadius(v3f pos, float radius);

12
src/map.cpp
View File

@ -931,7 +931,8 @@ void Map::updateLighting(std::map<v3s16, MapBlock*> & a_blocks,
/*
*/
void Map::addNodeAndUpdate(v3s16 p, MapNode n,
std::map<v3s16, MapBlock*> &modified_blocks)
std::map<v3s16, MapBlock*> &modified_blocks,
bool remove_metadata)
{
INodeDefManager *ndef = m_gamedef->ndef();
@ -1018,8 +1019,9 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
/*
Remove node metadata
*/
if (remove_metadata) {
removeNodeMetadata(p);
}
/*
Set the node on the map
@ -1319,17 +1321,17 @@ void Map::removeNodeAndUpdate(v3s16 p,
}
}
bool Map::addNodeWithEvent(v3s16 p, MapNode n)
bool Map::addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata)
{
MapEditEvent event;
event.type = MEET_ADDNODE;
event.type = remove_metadata ? MEET_ADDNODE : MEET_SWAPNODE;
event.p = p;
event.n = n;
bool succeeded = true;
try{
std::map<v3s16, MapBlock*> modified_blocks;
addNodeAndUpdate(p, n, modified_blocks);
addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
// Copy modified_blocks to event
for(std::map<v3s16, MapBlock*>::iterator

9
src/map.h
View File

@ -61,6 +61,8 @@ enum MapEditEventType{
MEET_ADDNODE,
// Node removed (changed to air)
MEET_REMOVENODE,
// Node swapped (changed without metadata change)
MEET_SWAPNODE,
// Node metadata of block changed (not knowing which node exactly)
// p stores block coordinate
MEET_BLOCK_NODE_METADATA_CHANGED,
@ -99,6 +101,8 @@ struct MapEditEvent
return VoxelArea(p);
case MEET_REMOVENODE:
return VoxelArea(p);
case MEET_SWAPNODE:
return VoxelArea(p);
case MEET_BLOCK_NODE_METADATA_CHANGED:
{
v3s16 np1 = p*MAP_BLOCKSIZE;
@ -236,7 +240,8 @@ public:
These handle lighting but not faces.
*/
void addNodeAndUpdate(v3s16 p, MapNode n,
std::map<v3s16, MapBlock*> &modified_blocks);
std::map<v3s16, MapBlock*> &modified_blocks,
bool remove_metadata = true);
void removeNodeAndUpdate(v3s16 p,
std::map<v3s16, MapBlock*> &modified_blocks);
@ -245,7 +250,7 @@ public:
These emit events.
Return true if succeeded, false if not.
*/
bool addNodeWithEvent(v3s16 p, MapNode n);
bool addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata = true);
bool removeNodeWithEvent(v3s16 p);
/*

17
src/script/lua_api/l_env.cpp
View File

@ -120,6 +120,22 @@ int ModApiEnvMod::l_remove_node(lua_State *L)
return 1;
}
// minetest.swap_node(pos, node)
// pos = {x=num, y=num, z=num}
int ModApiEnvMod::l_swap_node(lua_State *L)
{
GET_ENV_PTR;
INodeDefManager *ndef = env->getGameDef()->ndef();
// parameters
v3s16 pos = read_v3s16(L, 1);
MapNode n = readnode(L, 2, ndef);
// Do it
bool succeeded = env->swapNode(pos, n);
lua_pushboolean(L, succeeded);
return 1;
}
// minetest.get_node(pos)
// pos = {x=num, y=num, z=num}
int ModApiEnvMod::l_get_node(lua_State *L)
@ -798,6 +814,7 @@ void ModApiEnvMod::Initialize(lua_State *L, int top)
{
API_FCT(set_node);
API_FCT(add_node);
API_FCT(swap_node);
API_FCT(add_item);
API_FCT(remove_node);
API_FCT(get_node);

4
src/script/lua_api/l_env.h
View File

@ -35,6 +35,10 @@ private:
// pos = {x=num, y=num, z=num}
static int l_remove_node(lua_State *L);
// minetest.swap_node(pos, node)
// pos = {x=num, y=num, z=num}
static int l_swap_node(lua_State *L);
// minetest.get_node(pos)
// pos = {x=num, y=num, z=num}
static int l_get_node(lua_State *L);

21
src/server.cpp
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@ -1582,16 +1582,16 @@ void Server::AsyncRunStep()
// for them.
std::list<u16> far_players;
if(event->type == MEET_ADDNODE)
if(event->type == MEET_ADDNODE || event->type == MEET_SWAPNODE)
{
//infostream<<"Server: MEET_ADDNODE"<<std::endl;
prof.add("MEET_ADDNODE", 1);
if(disable_single_change_sending)
sendAddNode(event->p, event->n, event->already_known_by_peer,
&far_players, 5);
&far_players, 5, event->type == MEET_ADDNODE);
else
sendAddNode(event->p, event->n, event->already_known_by_peer,
&far_players, 30);
&far_players, 30, event->type == MEET_ADDNODE);
}
else if(event->type == MEET_REMOVENODE)
{
@ -4070,7 +4070,8 @@ void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
}
void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
std::list<u16> *far_players, float far_d_nodes)
std::list<u16> *far_players, float far_d_nodes,
bool remove_metadata)
{
float maxd = far_d_nodes*BS;
v3f p_f = intToFloat(p, BS);
@ -4106,13 +4107,23 @@ void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
}
// Create packet
u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
u32 replysize = 9 + MapNode::serializedLength(client->serialization_version);
SharedBuffer<u8> reply(replysize);
writeU16(&reply[0], TOCLIENT_ADDNODE);
writeS16(&reply[2], p.X);
writeS16(&reply[4], p.Y);
writeS16(&reply[6], p.Z);
n.serialize(&reply[8], client->serialization_version);
u32 index = 8 + MapNode::serializedLength(client->serialization_version);
writeU8(&reply[index], remove_metadata ? 0 : 1);
if (!remove_metadata) {
if (client->net_proto_version <= 21) {
// Old clients always clear metadata; fix it
// by sending the full block again.
client->SetBlockNotSent(p);
}
}
// Send as reliable
m_con.Send(client->peer_id, 0, reply, true);

3
src/server.h
View File

@ -556,7 +556,8 @@ private:
void sendRemoveNode(v3s16 p, u16 ignore_id=0,
std::list<u16> *far_players=NULL, float far_d_nodes=100);
void sendAddNode(v3s16 p, MapNode n, u16 ignore_id=0,
std::list<u16> *far_players=NULL, float far_d_nodes=100);
std::list<u16> *far_players=NULL, float far_d_nodes=100,
bool remove_metadata=true);
void setBlockNotSent(v3s16 p);
// Environment and Connection must be locked when called