void MapgenV7::growGrass() {
for (s16 z = node_min.Z; z <= node_max.Z; z++)
for (s16 x = node_min.X; x <= node_max.X; x++) {
// Find the lowest surface to which enough light ends up to make
// grass grow. Basically just wait until not air and not leaves.
s16 surface_y = 0;
{
v3s16 em = vm->m_area.getExtent();
u32 i = vm->m_area.index(x, node_max.Y, z);
s16 y;
// Go to ground level
for (y = node_max.Y; y >= node_min.Y; y--) {
MapNode &n = vm->m_data[i];
if (ndef->get(n).param_type != CPT_LIGHT ||
ndef->get(n).liquid_type != LIQUID_NONE)
break;
vm->m_area.add_y(em, i, -1);
}
surface_y = (y >= node_min.Y) ? y : node_min.Y;
}
u32 i = vm->m_area.index(x, surface_y, z);
MapNode *n = &vm->m_data[i];
if (n->getContent() == c_dirt && surface_y >= water_level - 20)
n->setContent(c_dirt_with_grass);
}
}
void ServerEnvironment::activateBlock(MapBlock *block, u32 additional_dtime)
{
// Get time difference
u32 dtime_s = 0;
u32 stamp = block->getTimestamp();
if(m_game_time > stamp && stamp != BLOCK_TIMESTAMP_UNDEFINED)
dtime_s = m_game_time - block->getTimestamp();
dtime_s += additional_dtime;
// Set current time as timestamp (and let it set ChangedFlag)
block->setTimestamp(m_game_time);
//dstream<<"Block is "<<dtime_s<<" seconds old."<<std::endl;
// Activate stored objects
activateObjects(block);
// Run node metadata
bool changed = block->m_node_metadata.step((float)dtime_s);
if(changed)
{
MapEditEvent event;
event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
event.p = block->getPos();
m_map->dispatchEvent(&event);
block->setChangedFlag();
}
// TODO: Do something
// TODO: Implement usage of ActiveBlockModifier
// Here's a quick demonstration
v3s16 p0;
for(p0.X=0; p0.X<MAP_BLOCKSIZE; p0.X++)
for(p0.Y=0; p0.Y<MAP_BLOCKSIZE; p0.Y++)
for(p0.Z=0; p0.Z<MAP_BLOCKSIZE; p0.Z++)
{
v3s16 p = p0 + block->getPosRelative();
MapNode n = block->getNodeNoEx(p0);
#if 1
// Test something:
// Convert all mud under proper day lighting to grass
if(n.getContent() == CONTENT_MUD)
{
if(dtime_s > 300)
{
MapNode n_top = block->getNodeNoEx(p0+v3s16(0,1,0));
if(content_features(n_top).air_equivalent &&
n_top.getLight(LIGHTBANK_DAY) >= 13)
{
n.setContent(CONTENT_GRASS);
m_map->addNodeWithEvent(p, n);
}
}
}
#endif
}
}
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n)
{
INodeDefManager *ndef = env->getGameDef()->ndef();
ServerMap *map = &env->getServerMap();
MapNode n_top = map->getNodeNoEx(p+v3s16(0,1,0));
content_t c_snow = ndef->getId("snow");
if(ndef->get(n_top).light_propagates &&
!ndef->get(n_top).isLiquid() &&
n_top.getLightBlend(env->getDayNightRatio(), ndef) >= 13)
{
if(c_snow != CONTENT_IGNORE && n_top.getContent() == c_snow)
n.setContent(ndef->getId("dirt_with_snow"));
else
n.setContent(ndef->getId("mapgen_dirt_with_grass"));
map->addNodeWithEvent(p, n);
}
}
virtual void trigger(ServerEnvironment *env, v3s16 p, MapNode n)
{
INodeDefManager *ndef = env->getGameDef()->ndef();
ServerMap *map = &env->getServerMap();
MapNode n_top = map->getNodeNoEx(p+v3s16(0,1,0));
if(!ndef->get(n_top).light_propagates ||
ndef->get(n_top).isLiquid())
{
n.setContent(ndef->getId("dirt"));
map->addNodeWithEvent(p, n);
}
}
// Correct ids in the block to match nodedef based on names.
// Unknown ones are added to nodedef.
// Will not update itself to match id-name pairs in nodedef.
void correctBlockNodeIds(const NameIdMapping *nimap, MapBlock *block,
IGameDef *gamedef)
{
INodeDefManager *nodedef = gamedef->ndef();
// This means the block contains incorrect ids, and we contain
// the information to convert those to names.
// nodedef contains information to convert our names to globally
// correct ids.
std::set<content_t> unnamed_contents;
std::set<std::string> unallocatable_contents;
for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
{
v3s16 p(x0,y0,z0);
MapNode n = block->getNode(p);
content_t local_id = n.getContent();
std::string name;
bool found = nimap->getName(local_id, name);
if(!found){
unnamed_contents.insert(local_id);
continue;
}
content_t global_id;
found = nodedef->getId(name, global_id);
if(!found){
global_id = gamedef->allocateUnknownNodeId(name);
if(global_id == CONTENT_IGNORE){
unallocatable_contents.insert(name);
continue;
}
}
n.setContent(global_id);
block->setNode(p, n);
}
for(std::set<content_t>::const_iterator
i = unnamed_contents.begin();
i != unnamed_contents.end(); i++){
errorstream<<"correctBlockNodeIds(): IGNORING ERROR: "
<<"Block contains id "<<(*i)
<<" with no name mapping"<<std::endl;
}
for(std::set<std::string>::const_iterator
i = unallocatable_contents.begin();
i != unallocatable_contents.end(); i++){
errorstream<<"correctBlockNodeIds(): IGNORING ERROR: "
<<"Could not allocate global id for node name \""
<<(*i)<<"\""<<std::endl;
}
}
MapNode mapnode_translate_to_internal(MapNode n_from, u8 version)
{
MapNode result = n_from;
if(version <= 19)
{
content_t c_from = n_from.getContent();
for(u32 i=0; i<sizeof(trans_table_19)/sizeof(trans_table_19[0]); i++)
{
if(trans_table_19[i][1] == c_from)
{
result.setContent(trans_table_19[i][0]);
break;
}
}
}
return result;
}
void MapgenV6::flowMud(s16 &mudflow_minpos, s16 &mudflow_maxpos)
{
// 340ms @cs=8
//TimeTaker timer1("flow mud");
// Iterate a few times
for (s16 k = 0; k < 3; k++) {
for (s16 z = mudflow_minpos; z <= mudflow_maxpos; z++)
for (s16 x = mudflow_minpos; x <= mudflow_maxpos; x++) {
// Invert coordinates every 2nd iteration
if (k % 2 == 0) {
x = mudflow_maxpos - (x - mudflow_minpos);
z = mudflow_maxpos - (z - mudflow_minpos);
}
// Node position in 2d
v2s16 p2d = v2s16(node_min.X, node_min.Z) + v2s16(x, z);
v3s16 em = vm->m_area.getExtent();
u32 i = vm->m_area.index(p2d.X, node_max.Y, p2d.Y);
s16 y = node_max.Y;
while (y >= node_min.Y) {
for (;; y--) {
MapNode *n = NULL;
// Find mud
for (; y >= node_min.Y; y--) {
n = &vm->m_data[i];
if (n->getContent() == c_dirt ||
n->getContent() == c_dirt_with_grass ||
n->getContent() == c_gravel)
break;
vm->m_area.add_y(em, i, -1);
}
// Stop if out of area
//if(vmanip.m_area.contains(i) == false)
if (y < node_min.Y)
break;
if (n->getContent() == c_dirt ||
n->getContent() == c_dirt_with_grass) {
// Make it exactly mud
n->setContent(c_dirt);
// Don't flow it if the stuff under it is not mud
{
u32 i2 = i;
vm->m_area.add_y(em, i2, -1);
// Cancel if out of area
if (vm->m_area.contains(i2) == false)
continue;
MapNode *n2 = &vm->m_data[i2];
if (n2->getContent() != c_dirt &&
n2->getContent() != c_dirt_with_grass)
continue;
}
}
v3s16 dirs4[4] = {
v3s16(0, 0, 1), // back
v3s16(1, 0, 0), // right
v3s16(0, 0, -1), // front
v3s16(-1, 0, 0), // left
};
// Check that upper is air or doesn't exist.
// Cancel dropping if upper keeps it in place
u32 i3 = i;
vm->m_area.add_y(em, i3, 1);
if (vm->m_area.contains(i3) == true &&
ndef->get(vm->m_data[i3]).walkable)
continue;
// Drop mud on side
for(u32 di = 0; di < 4; di++) {
v3s16 dirp = dirs4[di];
u32 i2 = i;
// Move to side
vm->m_area.add_p(em, i2, dirp);
// Fail if out of area
if (vm->m_area.contains(i2) == false)
continue;
// Check that side is air
MapNode *n2 = &vm->m_data[i2];
if (ndef->get(*n2).walkable)
continue;
// Check that under side is air
vm->m_area.add_y(em, i2, -1);
if (vm->m_area.contains(i2) == false)
continue;
n2 = &vm->m_data[i2];
if (ndef->get(*n2).walkable)
continue;
// Loop further down until not air
bool dropped_to_unknown = false;
do {
vm->m_area.add_y(em, i2, -1);
n2 = &vm->m_data[i2];
// if out of known area
if(vm->m_area.contains(i2) == false ||
n2->getContent() == CONTENT_IGNORE) {
dropped_to_unknown = true;
break;
}
} while (ndef->get(*n2).walkable == false);
// Loop one up so that we're in air
vm->m_area.add_y(em, i2, 1);
n2 = &vm->m_data[i2];
bool old_is_water = (n->getContent() == c_water_source);
// Move mud to new place
if (!dropped_to_unknown) {
*n2 = *n;
// Set old place to be air (or water)
if(old_is_water)
*n = MapNode(c_water_source);
else
*n = MapNode(CONTENT_AIR);
}
// Done
break;
}
}
}
}
}
}
void Run()
{
TC parent;
MapBlock b(&parent, v3s16(1,1,1));
v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
UASSERT(b.getPosRelative() == relpos);
UASSERT(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
UASSERT(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
UASSERT(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
UASSERT(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
UASSERT(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
UASSERT(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
UASSERT(b.isValidPosition(v3s16(0,0,0)) == true);
UASSERT(b.isValidPosition(v3s16(-1,0,0)) == false);
UASSERT(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
UASSERT(b.isValidPosition(v3s16(-124,142,2341)) == false);
UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
/*
TODO: this method should probably be removed
if the block size isn't going to be set variable
*/
/*UASSERT(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
// Changed flag should be initially set
UASSERT(b.getModified() == MOD_STATE_WRITE_NEEDED);
b.resetModified();
UASSERT(b.getModified() == MOD_STATE_CLEAN);
// All nodes should have been set to
// .d=CONTENT_IGNORE and .getLight() = 0
for(u16 z=0; z<MAP_BLOCKSIZE; z++)
for(u16 y=0; y<MAP_BLOCKSIZE; y++)
for(u16 x=0; x<MAP_BLOCKSIZE; x++)
{
//UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
}
{
MapNode n(CONTENT_AIR);
for(u16 z=0; z<MAP_BLOCKSIZE; z++)
for(u16 y=0; y<MAP_BLOCKSIZE; y++)
for(u16 x=0; x<MAP_BLOCKSIZE; x++)
{
b.setNode(v3s16(x,y,z), n);
}
}
/*
Parent fetch functions
*/
parent.position_valid = false;
parent.node.setContent(5);
MapNode n;
// Positions in the block should still be valid
UASSERT(b.isValidPositionParent(v3s16(0,0,0)) == true);
UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
UASSERT(n.getContent() == CONTENT_AIR);
// ...but outside the block they should be invalid
UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == false);
UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
{
bool exception_thrown = false;
try{
// This should throw an exception
MapNode n = b.getNodeParent(v3s16(0,0,-1));
}
catch(InvalidPositionException &e)
{
exception_thrown = true;
}
UASSERT(exception_thrown);
}
parent.position_valid = true;
// Now the positions outside should be valid
UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == true);
UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
UASSERT(n.getContent() == 5);
/*
Set a node
*/
v3s16 p(1,2,0);
n.setContent(4);
b.setNode(p, n);
UASSERT(b.getNode(p).getContent() == 4);
//TODO: Update to new system
/*UASSERT(b.getNodeTile(p) == 4);
UASSERT(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
/*
propagateSunlight()
*/
// Set lighting of all nodes to 0
for(u16 z=0; z<MAP_BLOCKSIZE; z++){
for(u16 y=0; y<MAP_BLOCKSIZE; y++){
for(u16 x=0; x<MAP_BLOCKSIZE; x++){
MapNode n = b.getNode(v3s16(x,y,z));
n.setLight(LIGHTBANK_DAY, 0);
n.setLight(LIGHTBANK_NIGHT, 0);
b.setNode(v3s16(x,y,z), n);
}
}
}
{
/*
Check how the block handles being a lonely sky block
*/
parent.position_valid = true;
b.setIsUnderground(false);
parent.node.setContent(CONTENT_AIR);
parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
parent.node.setLight(LIGHTBANK_NIGHT, 0);
core::map<v3s16, bool> light_sources;
// The bottom block is invalid, because we have a shadowing node
UASSERT(b.propagateSunlight(light_sources) == false);
UASSERT(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
UASSERT(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
UASSERT(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
UASSERT(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
UASSERT(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
UASSERT(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
UASSERT(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
UASSERT(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
// According to MapBlock::getFaceLight,
// The face on the z+ side should have double-diminished light
//UASSERT(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
// The face on the z+ side should have diminished light
UASSERT(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
}
/*
Check how the block handles being in between blocks with some non-sunlight
while being underground
*/
{
// Make neighbours to exist and set some non-sunlight to them
parent.position_valid = true;
b.setIsUnderground(true);
parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
core::map<v3s16, bool> light_sources;
// The block below should be valid because there shouldn't be
// sunlight in there either
UASSERT(b.propagateSunlight(light_sources, true) == true);
// Should not touch nodes that are not affected (that is, all of them)
//UASSERT(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
// Should set light of non-sunlighted blocks to 0.
UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
}
/*
Set up a situation where:
- There is only air in this block
- There is a valid non-sunlighted block at the bottom, and
- Invalid blocks elsewhere.
- the block is not underground.
This should result in bottom block invalidity
*/
{
b.setIsUnderground(false);
// Clear block
for(u16 z=0; z<MAP_BLOCKSIZE; z++){
for(u16 y=0; y<MAP_BLOCKSIZE; y++){
for(u16 x=0; x<MAP_BLOCKSIZE; x++){
MapNode n;
n.setContent(CONTENT_AIR);
n.setLight(LIGHTBANK_DAY, 0);
b.setNode(v3s16(x,y,z), n);
}
}
}
// Make neighbours invalid
parent.position_valid = false;
// Add exceptions to the top of the bottom block
for(u16 x=0; x<MAP_BLOCKSIZE; x++)
for(u16 z=0; z<MAP_BLOCKSIZE; z++)
{
parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
}
// Lighting value for the valid nodes
parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
core::map<v3s16, bool> light_sources;
// Bottom block is not valid
UASSERT(b.propagateSunlight(light_sources) == false);
}
}
void ServerEnvironment::step(float dtime)
{
DSTACK(__FUNCTION_NAME);
//TimeTaker timer("ServerEnv step");
// Get some settings
bool footprints = g_settings.getBool("footprints");
/*
Increment game time
*/
{
m_game_time_fraction_counter += dtime;
u32 inc_i = (u32)m_game_time_fraction_counter;
m_game_time += inc_i;
m_game_time_fraction_counter -= (float)inc_i;
}
/*
Handle players
*/
for(core::list<Player*>::Iterator i = m_players.begin();
i != m_players.end(); i++)
{
Player *player = *i;
// Ignore disconnected players
if(player->peer_id == 0)
continue;
v3f playerpos = player->getPosition();
// Move
player->move(dtime, *m_map, 100*BS);
/*
Add footsteps to grass
*/
if(footprints)
{
// Get node that is at BS/4 under player
v3s16 bottompos = floatToInt(playerpos + v3f(0,-BS/4,0), BS);
try{
MapNode n = m_map->getNode(bottompos);
if(n.getContent() == CONTENT_GRASS)
{
n.setContent(CONTENT_GRASS_FOOTSTEPS);
m_map->setNode(bottompos, n);
}
}
catch(InvalidPositionException &e)
{
}
}
}
/*
Manage active block list
*/
if(m_active_blocks_management_interval.step(dtime, 2.0))
{
/*
Get player block positions
*/
core::list<v3s16> players_blockpos;
for(core::list<Player*>::Iterator
i = m_players.begin();
i != m_players.end(); i++)
{
Player *player = *i;
// Ignore disconnected players
if(player->peer_id == 0)
continue;
v3s16 blockpos = getNodeBlockPos(
floatToInt(player->getPosition(), BS));
players_blockpos.push_back(blockpos);
}
/*
Update list of active blocks, collecting changes
*/
const s16 active_block_range = 5;
core::map<v3s16, bool> blocks_removed;
core::map<v3s16, bool> blocks_added;
m_active_blocks.update(players_blockpos, active_block_range,
blocks_removed, blocks_added);
/*
Handle removed blocks
*/
// Convert active objects that are no more in active blocks to static
deactivateFarObjects(false);
for(core::map<v3s16, bool>::Iterator
i = blocks_removed.getIterator();
i.atEnd()==false; i++)
{
v3s16 p = i.getNode()->getKey();
/*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
<<") became inactive"<<std::endl;*/
MapBlock *block = m_map->getBlockNoCreateNoEx(p);
if(block==NULL)
continue;
// Set current time as timestamp (and let it set ChangedFlag)
block->setTimestamp(m_game_time);
}
/*
Handle added blocks
*/
for(core::map<v3s16, bool>::Iterator
i = blocks_added.getIterator();
i.atEnd()==false; i++)
{
v3s16 p = i.getNode()->getKey();
/*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
<<") became active"<<std::endl;*/
MapBlock *block = m_map->getBlockNoCreateNoEx(p);
if(block==NULL)
continue;
activateBlock(block);
}
}
/*
Mess around in active blocks
*/
if(m_active_blocks_nodemetadata_interval.step(dtime, 1.0))
{
float dtime = 1.0;
for(core::map<v3s16, bool>::Iterator
i = m_active_blocks.m_list.getIterator();
i.atEnd()==false; i++)
{
v3s16 p = i.getNode()->getKey();
/*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
<<") being handled"<<std::endl;*/
MapBlock *block = m_map->getBlockNoCreateNoEx(p);
if(block==NULL)
continue;
// Reset block usage timer
block->resetUsageTimer();
// Set current time as timestamp
block->setTimestampNoChangedFlag(m_game_time);
// Run node metadata
bool changed = block->m_node_metadata.step(dtime);
if(changed)
{
MapEditEvent event;
event.type = MEET_BLOCK_NODE_METADATA_CHANGED;
event.p = p;
m_map->dispatchEvent(&event);
block->setChangedFlag();
}
}
}
if(m_active_blocks_test_interval.step(dtime, 10.0))
{
//float dtime = 10.0;
for(core::map<v3s16, bool>::Iterator
i = m_active_blocks.m_list.getIterator();
i.atEnd()==false; i++)
{
v3s16 p = i.getNode()->getKey();
/*dstream<<"Server: Block ("<<p.X<<","<<p.Y<<","<<p.Z
<<") being handled"<<std::endl;*/
MapBlock *block = m_map->getBlockNoCreateNoEx(p);
if(block==NULL)
continue;
// Set current time as timestamp
block->setTimestampNoChangedFlag(m_game_time);
/*
Do stuff!
Note that map modifications should be done using the event-
making map methods so that the server gets information
about them.
Reading can be done quickly directly from the block.
Everything should bind to inside this single content
searching loop to keep things fast.
*/
// TODO: Implement usage of ActiveBlockModifier
// Find out how many objects the block contains
u32 active_object_count = block->m_static_objects.m_active.size();
// Find out how many objects this and all the neighbors contain
u32 active_object_count_wider = 0;
for(s16 x=-1; x<=1; x++)
for(s16 y=-1; y<=1; y++)
for(s16 z=-1; z<=1; z++)
{
MapBlock *block = m_map->getBlockNoCreateNoEx(p+v3s16(x,y,z));
if(block==NULL)
continue;
active_object_count_wider +=
block->m_static_objects.m_active.size();
}
v3s16 p0;
for(p0.X=0; p0.X<MAP_BLOCKSIZE; p0.X++)
for(p0.Y=0; p0.Y<MAP_BLOCKSIZE; p0.Y++)
for(p0.Z=0; p0.Z<MAP_BLOCKSIZE; p0.Z++)
{
v3s16 p = p0 + block->getPosRelative();
MapNode n = block->getNodeNoEx(p0);
/*
Test something:
Convert mud under proper lighting to grass
*/
if(n.getContent() == CONTENT_MUD)
{
if(myrand()%20 == 0)
{
MapNode n_top = m_map->getNodeNoEx(p+v3s16(0,1,0));
if(content_features(n_top).air_equivalent &&
n_top.getLightBlend(getDayNightRatio()) >= 13)
{
n.setContent(CONTENT_GRASS);
m_map->addNodeWithEvent(p, n);
}
}
}
/*
Convert grass into mud if under something else than air
*/
if(n.getContent() == CONTENT_GRASS)
{
//if(myrand()%20 == 0)
{
MapNode n_top = m_map->getNodeNoEx(p+v3s16(0,1,0));
if(content_features(n_top).air_equivalent == false)
{
n.setContent(CONTENT_MUD);
m_map->addNodeWithEvent(p, n);
}
}
}
/*
Rats spawn around regular trees
*/
if(n.getContent() == CONTENT_TREE ||
n.getContent() == CONTENT_JUNGLETREE)
{
if(myrand()%200 == 0 && active_object_count_wider == 0)
{
v3s16 p1 = p + v3s16(myrand_range(-2, 2),
0, myrand_range(-2, 2));
MapNode n1 = m_map->getNodeNoEx(p1);
MapNode n1b = m_map->getNodeNoEx(p1+v3s16(0,-1,0));
if(n1b.getContent() == CONTENT_GRASS &&
n1.getContent() == CONTENT_AIR)
{
v3f pos = intToFloat(p1, BS);
ServerActiveObject *obj = new RatSAO(this, 0, pos);
addActiveObject(obj);
}
}
}
}
}
}
/*
Step active objects
*/
{
//TimeTaker timer("Step active objects");
// This helps the objects to send data at the same time
bool send_recommended = false;
m_send_recommended_timer += dtime;
if(m_send_recommended_timer > 0.15)
{
m_send_recommended_timer = 0;
send_recommended = true;
}
for(core::map<u16, ServerActiveObject*>::Iterator
i = m_active_objects.getIterator();
i.atEnd()==false; i++)
{
ServerActiveObject* obj = i.getNode()->getValue();
// Don't step if is to be removed or stored statically
if(obj->m_removed || obj->m_pending_deactivation)
continue;
// Step object
obj->step(dtime, send_recommended);
// Read messages from object
while(obj->m_messages_out.size() > 0)
{
m_active_object_messages.push_back(
obj->m_messages_out.pop_front());
}
}
}
/*
Manage active objects
*/
if(m_object_management_interval.step(dtime, 0.5))
{
/*
Remove objects that satisfy (m_removed && m_known_by_count==0)
*/
removeRemovedObjects();
}
if(g_settings.getBool("enable_experimental"))
{
/*
TEST CODE
*/
#if 1
m_random_spawn_timer -= dtime;
if(m_random_spawn_timer < 0)
{
//m_random_spawn_timer += myrand_range(2.0, 20.0);
//m_random_spawn_timer += 2.0;
m_random_spawn_timer += 200.0;
/*
Find some position
*/
/*v2s16 p2d(myrand_range(-5,5), myrand_range(-5,5));
s16 y = 1 + getServerMap().findGroundLevel(p2d);
v3f pos(p2d.X*BS,y*BS,p2d.Y*BS);*/
Player *player = getRandomConnectedPlayer();
v3f pos(0,0,0);
if(player)
pos = player->getPosition();
pos += v3f(
myrand_range(-3,3)*BS,
0,
myrand_range(-3,3)*BS
);
/*
Create a ServerActiveObject
*/
//TestSAO *obj = new TestSAO(this, 0, pos);
//ServerActiveObject *obj = new ItemSAO(this, 0, pos, "CraftItem Stick 1");
//ServerActiveObject *obj = new RatSAO(this, 0, pos);
//ServerActiveObject *obj = new Oerkki1SAO(this, 0, pos);
ServerActiveObject *obj = new FireflySAO(this, 0, pos);
addActiveObject(obj);
}
#endif
} // enable_experimental
}
void ClientEnvironment::step(float dtime)
{
DSTACK(__FUNCTION_NAME);
// Get some settings
bool free_move = g_settings.getBool("free_move");
bool footprints = g_settings.getBool("footprints");
// Get local player
LocalPlayer *lplayer = getLocalPlayer();
assert(lplayer);
// collision info queue
core::list<CollisionInfo> player_collisions;
/*
Get the speed the player is going
*/
bool is_climbing = lplayer->is_climbing;
f32 player_speed = 0.001; // just some small value
player_speed = lplayer->getSpeed().getLength();
/*
Maximum position increment
*/
//f32 position_max_increment = 0.05*BS;
f32 position_max_increment = 0.1*BS;
// Maximum time increment (for collision detection etc)
// time = distance / speed
f32 dtime_max_increment = position_max_increment / player_speed;
// Maximum time increment is 10ms or lower
if(dtime_max_increment > 0.01)
dtime_max_increment = 0.01;
// Don't allow overly huge dtime
if(dtime > 0.5)
dtime = 0.5;
f32 dtime_downcount = dtime;
/*
Stuff that has a maximum time increment
*/
u32 loopcount = 0;
do
{
loopcount++;
f32 dtime_part;
if(dtime_downcount > dtime_max_increment)
{
dtime_part = dtime_max_increment;
dtime_downcount -= dtime_part;
}
else
{
dtime_part = dtime_downcount;
/*
Setting this to 0 (no -=dtime_part) disables an infinite loop
when dtime_part is so small that dtime_downcount -= dtime_part
does nothing
*/
dtime_downcount = 0;
}
/*
Handle local player
*/
{
v3f lplayerpos = lplayer->getPosition();
// Apply physics
if(free_move == false && is_climbing == false)
{
// Gravity
v3f speed = lplayer->getSpeed();
if(lplayer->swimming_up == false)
speed.Y -= 9.81 * BS * dtime_part * 2;
// Water resistance
if(lplayer->in_water_stable || lplayer->in_water)
{
f32 max_down = 2.0*BS;
if(speed.Y < -max_down) speed.Y = -max_down;
f32 max = 2.5*BS;
if(speed.getLength() > max)
{
speed = speed / speed.getLength() * max;
}
}
lplayer->setSpeed(speed);
}
/*
Move the lplayer.
This also does collision detection.
*/
lplayer->move(dtime_part, *m_map, position_max_increment,
&player_collisions);
}
}
while(dtime_downcount > 0.001);
//std::cout<<"Looped "<<loopcount<<" times."<<std::endl;
for(core::list<CollisionInfo>::Iterator
i = player_collisions.begin();
i != player_collisions.end(); i++)
{
CollisionInfo &info = *i;
if(info.t == COLLISION_FALL)
{
//f32 tolerance = BS*10; // 2 without damage
f32 tolerance = BS*12; // 3 without damage
f32 factor = 1;
if(info.speed > tolerance)
{
f32 damage_f = (info.speed - tolerance)/BS*factor;
u16 damage = (u16)(damage_f+0.5);
if(lplayer->hp > damage)
lplayer->hp -= damage;
else
lplayer->hp = 0;
ClientEnvEvent event;
event.type = CEE_PLAYER_DAMAGE;
event.player_damage.amount = damage;
m_client_event_queue.push_back(event);
}
}
}
/*
Stuff that can be done in an arbitarily large dtime
*/
for(core::list<Player*>::Iterator i = m_players.begin();
i != m_players.end(); i++)
{
Player *player = *i;
v3f playerpos = player->getPosition();
/*
Handle non-local players
*/
if(player->isLocal() == false)
{
// Move
player->move(dtime, *m_map, 100*BS);
// Update lighting on remote players on client
u8 light = LIGHT_MAX;
try{
// Get node at head
v3s16 p = floatToInt(playerpos + v3f(0,BS+BS/2,0), BS);
MapNode n = m_map->getNode(p);
light = n.getLightBlend(getDayNightRatio());
}
catch(InvalidPositionException &e) {}
player->updateLight(light);
}
/*
Add footsteps to grass
*/
if(footprints)
{
// Get node that is at BS/4 under player
v3s16 bottompos = floatToInt(playerpos + v3f(0,-BS/4,0), BS);
try{
MapNode n = m_map->getNode(bottompos);
if(n.getContent() == CONTENT_GRASS)
{
n.setContent(CONTENT_GRASS_FOOTSTEPS);
m_map->setNode(bottompos, n);
// Update mesh on client
if(m_map->mapType() == MAPTYPE_CLIENT)
{
v3s16 p_blocks = getNodeBlockPos(bottompos);
MapBlock *b = m_map->getBlockNoCreate(p_blocks);
//b->updateMesh(getDayNightRatio());
b->setMeshExpired(true);
}
}
}
catch(InvalidPositionException &e)
{
}
}
}
/*
Step active objects and update lighting of them
*/
for(core::map<u16, ClientActiveObject*>::Iterator
i = m_active_objects.getIterator();
i.atEnd()==false; i++)
{
ClientActiveObject* obj = i.getNode()->getValue();
// Step object
obj->step(dtime, this);
if(m_active_object_light_update_interval.step(dtime, 0.21))
{
// Update lighting
//u8 light = LIGHT_MAX;
u8 light = 0;
try{
// Get node at head
v3s16 p = obj->getLightPosition();
MapNode n = m_map->getNode(p);
light = n.getLightBlend(getDayNightRatio());
}
catch(InvalidPositionException &e) {}
obj->updateLight(light);
}
}
}
void Run()
{
/*
VoxelArea
*/
VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
assert(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
assert(a.index(-1,-1,-1) == 0);
VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
// An area that is 1 bigger in x+ and z-
VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
core::list<VoxelArea> aa;
d.diff(c, aa);
// Correct results
core::array<VoxelArea> results;
results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
assert(aa.size() == results.size());
infostream<<"Result of diff:"<<std::endl;
for(core::list<VoxelArea>::Iterator
i = aa.begin(); i != aa.end(); i++)
{
i->print(infostream);
infostream<<std::endl;
s32 j = results.linear_search(*i);
assert(j != -1);
results.erase(j, 1);
}
/*
VoxelManipulator
*/
VoxelManipulator v;
v.print(infostream);
infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
v.setNodeNoRef(v3s16(-1,0,-1), MapNode(2));
v.print(infostream);
assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
v.print(infostream);
infostream<<"*** Adding area ***"<<std::endl;
v.addArea(a);
v.print(infostream);
assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
#if 0
/*
Water stuff
*/
v.clear();
const char *content =
"#...###### "
"#...##..## "
"#........ .."
"############"
"#...###### "
"#...##..## "
"#........# "
"############"
;
v3s16 size(12, 4, 2);
VoxelArea area(v3s16(0,0,0), size-v3s16(1,1,1));
const char *p = content;
for(s16 z=0; z<size.Z; z++)
for(s16 y=size.Y-1; y>=0; y--)
for(s16 x=0; x<size.X; x++)
{
MapNode n;
//n.pressure = size.Y - y;
if(*p == '#')
n.setContent(CONTENT_STONE);
else if(*p == '.')
n.setContent(CONTENT_WATER);
else if(*p == ' ')
n.setContent(CONTENT_AIR);
else
assert(0);
v.setNode(v3s16(x,y,z), n);
p++;
}
v.print(infostream, VOXELPRINT_WATERPRESSURE);
core::map<v3s16, u8> active_nodes;
v.updateAreaWaterPressure(area, active_nodes);
v.print(infostream, VOXELPRINT_WATERPRESSURE);
//s16 highest_y = -32768;
/*
NOTE: These are commented out because this behaviour is changed
all the time
*/
//assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == -1);
//assert(highest_y == 3);
/*assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == 3);
//assert(highest_y == 3);*/
active_nodes.clear();
active_nodes[v3s16(9,1,0)] = 1;
//v.flowWater(active_nodes, 0, true, 1000);
v.flowWater(active_nodes, 0, false, 1000);
infostream<<"Final result of flowWater:"<<std::endl;
v.print(infostream, VOXELPRINT_WATERPRESSURE);
#endif
//assert(0);
}