bool Map::propagateSunlight(v3POS pos, std::set<v3POS> & light_sources,
bool remove_light) {
MapBlock *block = getBlockNoCreateNoEx(pos);
INodeDefManager *nodemgr = m_gamedef->ndef();
// Whether the sunlight at the top of the bottom block is valid
bool block_below_is_valid = true;
v3POS pos_relative = block->getPosRelative();
for(s16 x = 0; x < MAP_BLOCKSIZE; ++x) {
for(s16 z = 0; z < MAP_BLOCKSIZE; ++z) {
bool no_sunlight = false;
// Check if node above block has sunlight
MapNode n = getNode(pos_relative + v3POS(x, MAP_BLOCKSIZE, z));
if (n) {
if(n.getLight(LIGHTBANK_DAY, m_gamedef->ndef()) != LIGHT_SUN) {
no_sunlight = true;
}
} else {
// NOTE: This makes over-ground roofed places sunlighted
// Assume sunlight, unless is_underground==true
if(block->getIsUnderground()) {
no_sunlight = true;
} else {
MapNode n = block->getNode(v3POS(x, MAP_BLOCKSIZE - 1, z));
if(n && m_gamedef->ndef()->get(n).sunlight_propagates == false)
no_sunlight = true;
}
// NOTE: As of now, this just would make everything dark.
// No sunlight here
//no_sunlight = true;
}
s16 y = MAP_BLOCKSIZE - 1;
// This makes difference to diminishing in water.
//bool stopped_to_solid_object = false;
u8 current_light = no_sunlight ? 0 : LIGHT_SUN;
for(; y >= 0; --y) {
v3POS pos(x, y, z);
MapNode n = block->getNode(pos);
if(current_light == 0) {
// Do nothing
} else if(current_light == LIGHT_SUN && nodemgr->get(n).sunlight_propagates) {
// Do nothing: Sunlight is continued
} else if(nodemgr->get(n).light_propagates == false) {
// A solid object is on the way.
//stopped_to_solid_object = true;
// Light stops.
current_light = 0;
} else {
// Diminish light
current_light = diminish_light(current_light);
}
u8 old_light = n.getLight(LIGHTBANK_DAY, nodemgr);
if(current_light > old_light || remove_light) {
n.setLight(LIGHTBANK_DAY, current_light, nodemgr);
block->setNode(pos, n);
}
if(diminish_light(current_light) != 0) {
light_sources.insert(pos_relative + pos);
}
}
// Whether or not the block below should see LIGHT_SUN
bool sunlight_should_go_down = (current_light == LIGHT_SUN);
/*
If the block below hasn't already been marked invalid:
Check if the node below the block has proper sunlight at top.
If not, the block below is invalid.
Ignore non-transparent nodes as they always have no light
*/
if(block_below_is_valid) {
MapNode n = getNode(pos_relative + v3POS(x, -1, z));
if (n) {
if(nodemgr->get(n).light_propagates) {
if(n.getLight(LIGHTBANK_DAY, nodemgr) == LIGHT_SUN
&& sunlight_should_go_down == false)
block_below_is_valid = false;
else if(n.getLight(LIGHTBANK_DAY, nodemgr) != LIGHT_SUN
&& sunlight_should_go_down == true)
block_below_is_valid = false;
}
} else {
// Just no block below, no need to panic.
}
}
}
}
return block_below_is_valid;
}
/*
Calculate smooth lighting at the XYZ- corner of p.
Single light bank.
*/
static u8 getSmoothLight(enum LightBank bank, v3s16 p, MeshMakeData *data)
{
static v3s16 dirs8[8] = {
v3s16(0,0,0),
v3s16(0,0,1),
v3s16(0,1,0),
v3s16(0,1,1),
v3s16(1,0,0),
v3s16(1,1,0),
v3s16(1,0,1),
v3s16(1,1,1),
};
INodeDefManager *ndef = data->m_gamedef->ndef();
u16 ambient_occlusion = 0;
u16 light = 0;
u16 light_count = 0;
u8 light_source_max = 0;
for(u32 i=0; i<8; i++)
{
MapNode n = data->m_vmanip.getNodeNoEx(p - dirs8[i]);
// if it's CONTENT_IGNORE we can't do any light calculations
if (n.getContent() == CONTENT_IGNORE) {
continue;
}
const ContentFeatures &f = ndef->get(n);
if(f.light_source > light_source_max)
light_source_max = f.light_source;
// Check f.solidness because fast-style leaves look
// better this way
if(f.param_type == CPT_LIGHT && f.solidness != 2)
{
light += decode_light(n.getLight(bank, ndef));
light_count++;
}
else {
ambient_occlusion++;
}
}
if(light_count == 0)
return 255;
light /= light_count;
// Boost brightness around light sources
if(decode_light(light_source_max) >= light)
//return decode_light(undiminish_light(light_source_max));
return decode_light(light_source_max);
if(ambient_occlusion > 4)
{
//ambient_occlusion -= 4;
//light = (float)light / ((float)ambient_occlusion * 0.5 + 1.0);
float light_amount = (8 - ambient_occlusion) / 4.0;
float light_f = (float)light / 255.0;
light_f = pow(light_f, 2.2f); // gamma -> linear space
light_f = light_f * light_amount;
light_f = pow(light_f, 1.0f/2.2f); // linear -> gamma space
if(light_f > 1.0)
light_f = 1.0;
light = 255.0 * light_f + 0.5;
}
return light;
}
MapgenV5::MapgenV5(int mapgenid, MapgenParams *params, EmergeManager *emerge)
: Mapgen(mapgenid, params, emerge)
{
this->m_emerge = emerge;
this->bmgr = emerge->biomemgr;
// amount of elements to skip for the next index
// for noise/height/biome maps (not vmanip)
this->ystride = csize.X;
this->zstride = csize.X * (csize.Y + 2);
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
this->heatmap = NULL;
this->humidmap = NULL;
MapgenV5Params *sp = (MapgenV5Params *)params->sparams;
this->spflags = sp->spflags;
// Terrain noise
noise_filler_depth = new Noise(&sp->np_filler_depth, seed, csize.X, csize.Z);
noise_factor = new Noise(&sp->np_factor, seed, csize.X, csize.Z);
noise_height = new Noise(&sp->np_height, seed, csize.X, csize.Z);
// 3D terrain noise
noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 2, csize.Z);
noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z);
noise_ground = new Noise(&sp->np_ground, seed, csize.X, csize.Y + 2, csize.Z);
// Biome noise
noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z);
noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z);
noise_heat_blend = new Noise(¶ms->np_biome_heat_blend, seed, csize.X, csize.Z);
noise_humidity_blend = new Noise(¶ms->np_biome_humidity_blend, seed, csize.X, csize.Z);
//// Resolve nodes to be used
INodeDefManager *ndef = emerge->ndef;
c_stone = ndef->getId("mapgen_stone");
c_water_source = ndef->getId("mapgen_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
c_desert_stone = ndef->getId("mapgen_desert_stone");
c_ice = ndef->getId("mapgen_ice");
c_sandstone = ndef->getId("mapgen_sandstone");
c_cobble = ndef->getId("mapgen_cobble");
c_stair_cobble = ndef->getId("mapgen_stair_cobble");
c_mossycobble = ndef->getId("mapgen_mossycobble");
c_sandstonebrick = ndef->getId("mapgen_sandstonebrick");
c_stair_sandstonebrick = ndef->getId("mapgen_stair_sandstonebrick");
if (c_ice == CONTENT_IGNORE)
c_ice = CONTENT_AIR;
if (c_mossycobble == CONTENT_IGNORE)
c_mossycobble = c_cobble;
if (c_stair_cobble == CONTENT_IGNORE)
c_stair_cobble = c_cobble;
if (c_sandstonebrick == CONTENT_IGNORE)
c_sandstonebrick = c_sandstone;
if (c_stair_sandstonebrick == CONTENT_IGNORE)
c_stair_sandstonebrick = c_sandstone;
}
// 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;
}
MapgenV7::MapgenV7(int mapgenid, MapgenParams *params, EmergeManager *emerge)
: Mapgen(mapgenid, params, emerge)
{
this->m_emerge = emerge;
this->bmgr = emerge->biomemgr;
//// amount of elements to skip for the next index
//// for noise/height/biome maps (not vmanip)
this->ystride = csize.X;
this->zstride = csize.X * (csize.Y + 2);
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
this->ridge_heightmap = new s16[csize.X * csize.Z];
MapgenV7Params *sp = (MapgenV7Params *)params->sparams;
this->spflags = sp->spflags;
//// Terrain noise
noise_terrain_base = new Noise(&sp->np_terrain_base, seed, csize.X, csize.Z);
noise_terrain_alt = new Noise(&sp->np_terrain_alt, seed, csize.X, csize.Z);
noise_terrain_persist = new Noise(&sp->np_terrain_persist, seed, csize.X, csize.Z);
noise_height_select = new Noise(&sp->np_height_select, seed, csize.X, csize.Z);
noise_filler_depth = new Noise(&sp->np_filler_depth, seed, csize.X, csize.Z);
noise_mount_height = new Noise(&sp->np_mount_height, seed, csize.X, csize.Z);
noise_ridge_uwater = new Noise(&sp->np_ridge_uwater, seed, csize.X, csize.Z);
//// 3d terrain noise
noise_mountain = new Noise(&sp->np_mountain, seed, csize.X, csize.Y + 2, csize.Z);
noise_ridge = new Noise(&sp->np_ridge, seed, csize.X, csize.Y + 2, csize.Z);
noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 2, csize.Z);
noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z);
//// Biome noise
noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z);
noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z);
//// Resolve nodes to be used
INodeDefManager *ndef = emerge->ndef;
c_stone = ndef->getId("mapgen_stone");
c_dirt = ndef->getId("mapgen_dirt");
c_dirt_with_grass = ndef->getId("mapgen_dirt_with_grass");
c_sand = ndef->getId("mapgen_sand");
c_water_source = ndef->getId("mapgen_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
c_ice = ndef->getId("default:ice");
c_cobble = ndef->getId("mapgen_cobble");
c_desert_stone = ndef->getId("mapgen_desert_stone");
c_mossycobble = ndef->getId("mapgen_mossycobble");
c_sandbrick = ndef->getId("mapgen_sandstonebrick");
c_stair_cobble = ndef->getId("mapgen_stair_cobble");
c_stair_sandstone = ndef->getId("mapgen_stair_sandstone");
if (c_ice == CONTENT_IGNORE)
c_ice = CONTENT_AIR;
if (c_mossycobble == CONTENT_IGNORE)
c_mossycobble = c_cobble;
if (c_sandbrick == CONTENT_IGNORE)
c_sandbrick = c_desert_stone;
if (c_stair_cobble == CONTENT_IGNORE)
c_stair_cobble = c_cobble;
if (c_stair_sandstone == CONTENT_IGNORE)
c_stair_sandstone = c_sandbrick;
}
// 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;
}
PointedThing ClientEnvironment::getPointedThing(
core::line3d<f32> shootline,
bool liquids_pointable,
bool look_for_object)
{
PointedThing result;
INodeDefManager *nodedef = m_map->getNodeDefManager();
core::aabbox3d<s16> maximal_exceed = nodedef->getSelectionBoxIntUnion();
// The code needs to search these nodes
core::aabbox3d<s16> search_range(-maximal_exceed.MaxEdge,
-maximal_exceed.MinEdge);
// If a node is found, there might be a larger node behind.
// To find it, we have to go further.
s16 maximal_overcheck =
std::max(abs(search_range.MinEdge.X), abs(search_range.MaxEdge.X))
+ std::max(abs(search_range.MinEdge.Y), abs(search_range.MaxEdge.Y))
+ std::max(abs(search_range.MinEdge.Z), abs(search_range.MaxEdge.Z));
const v3f original_vector = shootline.getVector();
const f32 original_length = original_vector.getLength();
f32 min_distance = original_length;
// First try to find an active object
if (look_for_object) {
ClientActiveObject *selected_object = getSelectedActiveObject(
shootline, &result.intersection_point,
&result.intersection_normal);
if (selected_object != NULL) {
min_distance =
(result.intersection_point - shootline.start).getLength();
result.type = POINTEDTHING_OBJECT;
result.object_id = selected_object->getId();
}
}
// Reduce shootline
if (original_length > 0) {
shootline.end = shootline.start
+ shootline.getVector() / original_length * min_distance;
}
// Try to find a node that is closer than the selected active
// object (if it exists).
voxalgo::VoxelLineIterator iterator(shootline.start / BS,
shootline.getVector() / BS);
v3s16 oldnode = iterator.m_current_node_pos;
// Indicates that a node was found.
bool is_node_found = false;
// If a node is found, it is possible that there's a node
// behind it with a large nodebox, so continue the search.
u16 node_foundcounter = 0;
// If a node is found, this is the center of the
// first nodebox the shootline meets.
v3f found_boxcenter(0, 0, 0);
// The untested nodes are in this range.
core::aabbox3d<s16> new_nodes;
while (true) {
// Test the nodes around the current node in search_range.
new_nodes = search_range;
new_nodes.MinEdge += iterator.m_current_node_pos;
new_nodes.MaxEdge += iterator.m_current_node_pos;
// Only check new nodes
v3s16 delta = iterator.m_current_node_pos - oldnode;
if (delta.X > 0)
new_nodes.MinEdge.X = new_nodes.MaxEdge.X;
else if (delta.X < 0)
new_nodes.MaxEdge.X = new_nodes.MinEdge.X;
else if (delta.Y > 0)
new_nodes.MinEdge.Y = new_nodes.MaxEdge.Y;
else if (delta.Y < 0)
new_nodes.MaxEdge.Y = new_nodes.MinEdge.Y;
else if (delta.Z > 0)
new_nodes.MinEdge.Z = new_nodes.MaxEdge.Z;
else if (delta.Z < 0)
new_nodes.MaxEdge.Z = new_nodes.MinEdge.Z;
// For each untested node
for (s16 x = new_nodes.MinEdge.X; x <= new_nodes.MaxEdge.X; x++) {
for (s16 y = new_nodes.MinEdge.Y; y <= new_nodes.MaxEdge.Y; y++) {
for (s16 z = new_nodes.MinEdge.Z; z <= new_nodes.MaxEdge.Z; z++) {
MapNode n;
v3s16 np(x, y, z);
bool is_valid_position;
n = m_map->getNodeNoEx(np, &is_valid_position);
if (!(is_valid_position &&
isPointableNode(n, nodedef, liquids_pointable))) {
continue;
}
std::vector<aabb3f> boxes;
n.getSelectionBoxes(nodedef, &boxes,
n.getNeighbors(np, m_map));
v3f npf = intToFloat(np, BS);
for (std::vector<aabb3f>::const_iterator i = boxes.begin();
i != boxes.end(); ++i) {
aabb3f box = *i;
box.MinEdge += npf;
box.MaxEdge += npf;
v3f intersection_point;
v3s16 intersection_normal;
if (!boxLineCollision(box, shootline.start, shootline.getVector(),
&intersection_point, &intersection_normal)) {
continue;
}
f32 distance = (intersection_point - shootline.start).getLength();
if (distance >= min_distance) {
continue;
}
result.type = POINTEDTHING_NODE;
result.node_undersurface = np;
result.intersection_point = intersection_point;
result.intersection_normal = intersection_normal;
found_boxcenter = box.getCenter();
min_distance = distance;
is_node_found = true;
}
}
}
}
if (is_node_found) {
node_foundcounter++;
if (node_foundcounter > maximal_overcheck) {
break;
}
}
// Next node
if (iterator.hasNext()) {
oldnode = iterator.m_current_node_pos;
iterator.next();
} else {
break;
}
}
if (is_node_found) {
// Set undersurface and abovesurface nodes
f32 d = 0.002 * BS;
v3f fake_intersection = result.intersection_point;
// Move intersection towards its source block.
if (fake_intersection.X < found_boxcenter.X)
fake_intersection.X += d;
else
fake_intersection.X -= d;
if (fake_intersection.Y < found_boxcenter.Y)
fake_intersection.Y += d;
else
fake_intersection.Y -= d;
if (fake_intersection.Z < found_boxcenter.Z)
fake_intersection.Z += d;
else
fake_intersection.Z -= d;
result.node_real_undersurface = floatToInt(fake_intersection, BS);
result.node_abovesurface = result.node_real_undersurface
+ result.intersection_normal;
}
return result;
}
MapgenFlat::MapgenFlat(int mapgenid, MapgenParams *params, EmergeManager *emerge)
: Mapgen(mapgenid, params, emerge)
{
this->m_emerge = emerge;
this->bmgr = emerge->biomemgr;
//// amount of elements to skip for the next index
//// for noise/height/biome maps (not vmanip)
this->ystride = csize.X;
// 1-down overgeneration
this->zstride_1d = csize.X * (csize.Y + 1);
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
this->heatmap = NULL;
this->humidmap = NULL;
MapgenFlatParams *sp = (MapgenFlatParams *)params->sparams;
this->spflags = sp->spflags;
this->ground_level = sp->ground_level;
this->large_cave_depth = sp->large_cave_depth;
this->lake_threshold = sp->lake_threshold;
this->lake_steepness = sp->lake_steepness;
this->hill_threshold = sp->hill_threshold;
this->hill_steepness = sp->hill_steepness;
//// 2D noise
noise_terrain = new Noise(&sp->np_terrain, seed, csize.X, csize.Z);
noise_filler_depth = new Noise(&sp->np_filler_depth, seed, csize.X, csize.Z);
//// 3D noise
// 1-down overgeneraion
noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 1, csize.Z);
noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 1, csize.Z);
//// Biome noise
noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z);
noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z);
noise_heat_blend = new Noise(¶ms->np_biome_heat_blend, seed, csize.X, csize.Z);
noise_humidity_blend = new Noise(¶ms->np_biome_humidity_blend, seed, csize.X, csize.Z);
//// Resolve nodes to be used
INodeDefManager *ndef = emerge->ndef;
c_stone = ndef->getId("mapgen_stone");
c_water_source = ndef->getId("mapgen_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
c_desert_stone = ndef->getId("mapgen_desert_stone");
c_ice = ndef->getId("mapgen_ice");
c_sandstone = ndef->getId("mapgen_sandstone");
c_cobble = ndef->getId("mapgen_cobble");
c_stair_cobble = ndef->getId("mapgen_stair_cobble");
c_mossycobble = ndef->getId("mapgen_mossycobble");
c_sandstonebrick = ndef->getId("mapgen_sandstonebrick");
c_stair_sandstonebrick = ndef->getId("mapgen_stair_sandstonebrick");
if (c_ice == CONTENT_IGNORE)
c_ice = CONTENT_AIR;
if (c_mossycobble == CONTENT_IGNORE)
c_mossycobble = c_cobble;
if (c_stair_cobble == CONTENT_IGNORE)
c_stair_cobble = c_cobble;
if (c_sandstonebrick == CONTENT_IGNORE)
c_sandstonebrick = c_sandstone;
if (c_stair_sandstonebrick == CONTENT_IGNORE)
c_stair_sandstonebrick = c_sandstone;
}
void MapBlock::serialize_pre22(std::ostream &os, u8 version, bool disk)
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
MapNode *tmp_data = new MapNode[nodecount];
// Legacy data changes
// This code has to change from post-22 to pre-22 format.
INodeDefManager *nodedef = m_gamedef->ndef();
for(u32 i=0; i<nodecount; i++)
{
const ContentFeatures &f = nodedef->get(tmp_data[i].getContent());
// Mineral
if(nodedef->getId("default:stone_with_coal") == tmp_data[i].getContent())
{
tmp_data[i].setContent(nodedef->getId("default:stone"));
tmp_data[i].setParam1(1); // MINERAL_COAL
}
else if(nodedef->getId("default:stone_with_iron") == tmp_data[i].getContent())
{
tmp_data[i].setContent(nodedef->getId("default:stone"));
tmp_data[i].setParam1(2); // MINERAL_IRON
}
// facedir_simple
if(f.legacy_facedir_simple)
{
tmp_data[i].setParam1(tmp_data[i].getParam2());
tmp_data[i].setParam2(0);
}
// wall_mounted
if(f.legacy_wallmounted)
{
u8 wallmounted_new_to_old[8] = {0x04, 0x08, 0x01, 0x02, 0x10, 0x20, 0, 0};
u8 dir_new_format = tmp_data[i].getParam2() & 7; // lowest 3 bits
u8 dir_old_format = wallmounted_new_to_old[dir_new_format];
tmp_data[i].setParam2(dir_old_format);
}
}
// Serialize nodes
u32 ser_length = MapNode::serializedLength(version);
SharedBuffer<u8> databuf_nodelist(nodecount * ser_length);
for(u32 i=0; i<nodecount; i++)
{
tmp_data[i].serialize(&databuf_nodelist[i*ser_length], version);
}
delete[] tmp_data;
// These have no compression
if(version <= 3 || version == 5 || version == 6)
{
writeU8(os, is_underground);
os.write((char*)*databuf_nodelist, databuf_nodelist.getSize());
}
else if(version <= 10)
{
/*
With compression.
Compress the materials and the params separately.
*/
// First byte
writeU8(os, is_underground);
// Get and compress materials
SharedBuffer<u8> materialdata(nodecount);
for(u32 i=0; i<nodecount; i++)
{
materialdata[i] = databuf_nodelist[i*ser_length];
}
compress(materialdata, os, version);
// Get and compress lights
SharedBuffer<u8> lightdata(nodecount);
for(u32 i=0; i<nodecount; i++)
{
lightdata[i] = databuf_nodelist[i*ser_length+1];
}
compress(lightdata, os, version);
if(version >= 10)
{
// Get and compress param2
SharedBuffer<u8> param2data(nodecount);
for(u32 i=0; i<nodecount; i++)
{
param2data[i] = databuf_nodelist[i*ser_length+2];
}
compress(param2data, os, version);
}
}
// All other versions (newest)
else
{
// First byte
u8 flags = 0;
if(is_underground)
flags |= 0x01;
if(getDayNightDiff())
flags |= 0x02;
if(m_lighting_expired)
flags |= 0x04;
if(version >= 18)
{
if(m_generated == false)
flags |= 0x08;
}
writeU8(os, flags);
/*
Get data
*/
// Create buffer with different parameters sorted
SharedBuffer<u8> databuf(nodecount*3);
for(u32 i=0; i<nodecount; i++)
{
databuf[i] = databuf_nodelist[i*ser_length];
databuf[i+nodecount] = databuf_nodelist[i*ser_length+1];
databuf[i+nodecount*2] = databuf_nodelist[i*ser_length+2];
}
/*
Compress data to output stream
*/
compress(databuf, os, version);
/*
NodeMetadata
*/
if(version >= 14)
{
if(version <= 15)
{
try{
std::ostringstream oss(std::ios_base::binary);
m_node_metadata->serialize(oss);
os<<serializeString(oss.str());
}
// This will happen if the string is longer than 65535
catch(SerializationError &e)
{
// Use an empty string
os<<serializeString("");
}
}
else
{
std::ostringstream oss(std::ios_base::binary);
m_node_metadata->serialize(oss);
compressZlib(oss.str(), os);
//os<<serializeLongString(oss.str());
}
}
}
if(disk)
{
// Versions up from 9 have block objects. (DEPRECATED)
if(version >= 9)
{
// count=0
writeU16(os, 0);
}
// Versions up from 15 have static objects.
if(version >= 15)
{
m_static_objects.serialize(os);
}
// Timestamp
if(version >= 17)
{
writeU32(os, getTimestamp());
}
// Scan and write node definition id mapping
if(version >= 21)
{
NameIdMapping nimap;
getBlockNodeIdMapping_pre22(&nimap, data, m_gamedef->ndef());
nimap.serialize(os);
}
}
}
void MapBlock::deSerialize_pre22(std::istream &is, u8 version, bool disk)
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
// Initialize default flags
is_underground = false;
m_day_night_differs = false;
m_lighting_expired = false;
m_generated = true;
// Make a temporary buffer
u32 ser_length = MapNode::serializedLength(version);
SharedBuffer<u8> databuf_nodelist(nodecount * ser_length);
// These have no compression
if(version <= 3 || version == 5 || version == 6)
{
char tmp;
is.read(&tmp, 1);
if(is.gcount() != 1)
throw SerializationError
("MapBlock::deSerialize: no enough input data");
is_underground = tmp;
is.read((char*)*databuf_nodelist, nodecount * ser_length);
if(is.gcount() != nodecount * ser_length)
throw SerializationError
("MapBlock::deSerialize: no enough input data");
}
else if(version <= 10)
{
u8 t8;
is.read((char*)&t8, 1);
is_underground = t8;
{
// Uncompress and set material data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
databuf_nodelist[i*ser_length] = s[i];
}
}
{
// Uncompress and set param data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
databuf_nodelist[i*ser_length + 1] = s[i];
}
}
if(version >= 10)
{
// Uncompress and set param2 data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
databuf_nodelist[i*ser_length + 2] = s[i];
}
}
}
// All other versions (newest)
else
{
u8 flags;
is.read((char*)&flags, 1);
is_underground = (flags & 0x01) ? true : false;
m_day_night_differs = (flags & 0x02) ? true : false;
m_lighting_expired = (flags & 0x04) ? true : false;
if(version >= 18)
m_generated = (flags & 0x08) ? false : true;
// Uncompress data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount*3)
throw SerializationError
("MapBlock::deSerialize: decompress resulted in size"
" other than nodecount*3");
// deserialize nodes from buffer
for(u32 i=0; i<nodecount; i++)
{
databuf_nodelist[i*ser_length] = s[i];
databuf_nodelist[i*ser_length + 1] = s[i+nodecount];
databuf_nodelist[i*ser_length + 2] = s[i+nodecount*2];
}
/*
NodeMetadata
*/
if(version >= 14)
{
// Ignore errors
try{
if(version <= 15)
{
std::string data = deSerializeString(is);
std::istringstream iss(data, std::ios_base::binary);
m_node_metadata->deSerialize(iss, m_gamedef);
}
else
{
//std::string data = deSerializeLongString(is);
std::ostringstream oss(std::ios_base::binary);
decompressZlib(is, oss);
std::istringstream iss(oss.str(), std::ios_base::binary);
m_node_metadata->deSerialize(iss, m_gamedef);
}
}
catch(SerializationError &e)
{
errorstream<<"WARNING: MapBlock::deSerialize(): Ignoring an error"
<<" while deserializing node metadata"<<std::endl;
}
}
}
// Deserialize node data
for(u32 i=0; i<nodecount; i++)
{
data[i].deSerialize(&databuf_nodelist[i*ser_length], version);
}
if(disk)
{
/*
Versions up from 9 have block objects. (DEPRECATED)
*/
if(version >= 9){
u16 count = readU16(is);
// Not supported and length not known if count is not 0
if(count != 0){
errorstream<<"WARNING: MapBlock::deSerialize_pre22(): "
<<"Ignoring stuff coming at and after MBOs"<<std::endl;
return;
}
}
/*
Versions up from 15 have static objects.
*/
if(version >= 15)
m_static_objects.deSerialize(is);
// Timestamp
if(version >= 17){
setTimestamp(readU32(is));
m_disk_timestamp = m_timestamp;
} else {
setTimestamp(BLOCK_TIMESTAMP_UNDEFINED);
}
// Dynamically re-set ids based on node names
NameIdMapping nimap;
// If supported, read node definition id mapping
if(version >= 21){
nimap.deSerialize(is);
// Else set the legacy mapping
} else {
content_mapnode_get_name_id_mapping(&nimap);
}
correctBlockNodeIds(&nimap, data, m_gamedef);
}
// Legacy data changes
// This code has to convert from pre-22 to post-22 format.
INodeDefManager *nodedef = m_gamedef->ndef();
for(u32 i=0; i<nodecount; i++)
{
const ContentFeatures &f = nodedef->get(data[i].getContent());
// Mineral
if(nodedef->getId("default:stone") == data[i].getContent()
&& data[i].getParam1() == 1)
{
data[i].setContent(nodedef->getId("default:stone_with_coal"));
data[i].setParam1(0);
}
else if(nodedef->getId("default:stone") == data[i].getContent()
&& data[i].getParam1() == 2)
{
data[i].setContent(nodedef->getId("default:stone_with_iron"));
data[i].setParam1(0);
}
// facedir_simple
if(f.legacy_facedir_simple)
{
data[i].setParam2(data[i].getParam1());
data[i].setParam1(0);
}
// wall_mounted
if(f.legacy_wallmounted)
{
u8 wallmounted_new_to_old[8] = {0x04, 0x08, 0x01, 0x02, 0x10, 0x20, 0, 0};
u8 dir_old_format = data[i].getParam2();
u8 dir_new_format = 0;
for(u8 j=0; j<8; j++)
{
if((dir_old_format & wallmounted_new_to_old[j]) != 0)
{
dir_new_format = j;
break;
}
}
data[i].setParam2(dir_new_format);
}
}
}
// Temporary option for old move code
void LocalPlayer::old_move(f32 dtime, Environment *env, f32 pos_max_d,
std::vector<CollisionInfo> *collision_info)
{
Map *map = &env->getMap();
INodeDefManager *nodemgr = m_client->ndef();
v3f position = getPosition();
// Copy parent position if local player is attached
if (isAttached) {
setPosition(overridePosition);
m_sneak_node_exists = false;
return;
}
// Skip collision detection if noclip mode is used
bool fly_allowed = m_client->checkLocalPrivilege("fly");
bool noclip = m_client->checkLocalPrivilege("noclip") &&
g_settings->getBool("noclip");
bool free_move = noclip && fly_allowed && g_settings->getBool("free_move");
if (free_move) {
position += m_speed * dtime;
setPosition(position);
m_sneak_node_exists = false;
return;
}
/*
Collision detection
*/
bool is_valid_position;
MapNode node;
v3s16 pp;
/*
Check if player is in liquid (the oscillating value)
*/
if (in_liquid) {
// If in liquid, the threshold of coming out is at higher y
pp = floatToInt(position + v3f(0, BS * 0.1, 0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
if (is_valid_position) {
in_liquid = nodemgr->get(node.getContent()).isLiquid();
liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
} else {
in_liquid = false;
}
} else {
// If not in liquid, the threshold of going in is at lower y
pp = floatToInt(position + v3f(0, BS * 0.5, 0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
if (is_valid_position) {
in_liquid = nodemgr->get(node.getContent()).isLiquid();
liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
} else {
in_liquid = false;
}
}
/*
Check if player is in liquid (the stable value)
*/
pp = floatToInt(position + v3f(0, 0, 0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
if (is_valid_position)
in_liquid_stable = nodemgr->get(node.getContent()).isLiquid();
else
in_liquid_stable = false;
/*
Check if player is climbing
*/
pp = floatToInt(position + v3f(0, 0.5 * BS, 0), BS);
v3s16 pp2 = floatToInt(position + v3f(0, -0.2 * BS, 0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
bool is_valid_position2;
MapNode node2 = map->getNodeNoEx(pp2, &is_valid_position2);
if (!(is_valid_position && is_valid_position2))
is_climbing = false;
else
is_climbing = (nodemgr->get(node.getContent()).climbable ||
nodemgr->get(node2.getContent()).climbable) && !free_move;
/*
Collision uncertainty radius
Make it a bit larger than the maximum distance of movement
*/
//f32 d = pos_max_d * 1.1;
// A fairly large value in here makes moving smoother
f32 d = 0.15 * BS;
// This should always apply, otherwise there are glitches
sanity_check(d > pos_max_d);
// Maximum distance over border for sneaking
f32 sneak_max = BS * 0.4;
/*
If sneaking, keep in range from the last walked node and don't
fall off from it
*/
if (control.sneak && m_sneak_node_exists &&
!(fly_allowed && g_settings->getBool("free_move")) && !in_liquid &&
physics_override_sneak) {
f32 maxd = 0.5 * BS + sneak_max;
v3f lwn_f = intToFloat(m_sneak_node, BS);
position.X = rangelim(position.X, lwn_f.X - maxd, lwn_f.X + maxd);
position.Z = rangelim(position.Z, lwn_f.Z - maxd, lwn_f.Z + maxd);
if (!is_climbing) {
// Move up if necessary
f32 new_y = (lwn_f.Y - 0.5 * BS) + m_sneak_node_bb_ymax;
if (position.Y < new_y)
position.Y = new_y;
/*
Collision seems broken, since player is sinking when
sneaking over the edges of current sneaking_node.
TODO (when fixed): Set Y-speed only to 0 when position.Y < new_y.
*/
if (m_speed.Y < 0)
m_speed.Y = 0;
}
}
// this shouldn't be hardcoded but transmitted from server
float player_stepheight = touching_ground ? (BS * 0.6) : (BS * 0.2);
#ifdef __ANDROID__
player_stepheight += (0.6 * BS);
#endif
v3f accel_f = v3f(0, 0, 0);
collisionMoveResult result = collisionMoveSimple(env, m_client,
pos_max_d, m_collisionbox, player_stepheight, dtime,
&position, &m_speed, accel_f);
/*
If the player's feet touch the topside of any node, this is
set to true.
Player is allowed to jump when this is true.
*/
bool touching_ground_was = touching_ground;
touching_ground = result.touching_ground;
//bool standing_on_unloaded = result.standing_on_unloaded;
/*
Check the nodes under the player to see from which node the
player is sneaking from, if any. If the node from under
the player has been removed, the player falls.
*/
f32 position_y_mod = 0.05 * BS;
if (m_sneak_node_bb_ymax > 0)
position_y_mod = m_sneak_node_bb_ymax - position_y_mod;
v3s16 current_node = floatToInt(position - v3f(0, position_y_mod, 0), BS);
if (m_sneak_node_exists &&
nodemgr->get(map->getNodeNoEx(m_old_node_below)).name == "air" &&
m_old_node_below_type != "air") {
// Old node appears to have been removed; that is,
// it wasn't air before but now it is
m_need_to_get_new_sneak_node = false;
m_sneak_node_exists = false;
} else if (nodemgr->get(map->getNodeNoEx(current_node)).name != "air") {
// We are on something, so make sure to recalculate the sneak
// node.
m_need_to_get_new_sneak_node = true;
}
if (m_need_to_get_new_sneak_node && physics_override_sneak) {
m_sneak_node_bb_ymax = 0;
v3s16 pos_i_bottom = floatToInt(position - v3f(0, position_y_mod, 0), BS);
v2f player_p2df(position.X, position.Z);
f32 min_distance_f = 100000.0 * BS;
// If already seeking from some node, compare to it.
v3s16 new_sneak_node = m_sneak_node;
for (s16 x= -1; x <= 1; x++)
for (s16 z= -1; z <= 1; z++) {
v3s16 p = pos_i_bottom + v3s16(x, 0, z);
v3f pf = intToFloat(p, BS);
v2f node_p2df(pf.X, pf.Z);
f32 distance_f = player_p2df.getDistanceFrom(node_p2df);
f32 max_axis_distance_f = MYMAX(
fabs(player_p2df.X - node_p2df.X),
fabs(player_p2df.Y - node_p2df.Y));
if (distance_f > min_distance_f ||
max_axis_distance_f > 0.5 * BS + sneak_max + 0.1 * BS)
continue;
// The node to be sneaked on has to be walkable
node = map->getNodeNoEx(p, &is_valid_position);
if (!is_valid_position || !nodemgr->get(node).walkable)
continue;
// And the node above it has to be nonwalkable
node = map->getNodeNoEx(p + v3s16(0, 1, 0), &is_valid_position);
if (!is_valid_position || nodemgr->get(node).walkable)
continue;
// If not 'sneak_glitch' the node 2 nodes above it has to be nonwalkable
if (!physics_override_sneak_glitch) {
node =map->getNodeNoEx(p + v3s16(0, 2, 0), &is_valid_position);
if (!is_valid_position || nodemgr->get(node).walkable)
continue;
}
min_distance_f = distance_f;
new_sneak_node = p;
}
bool sneak_node_found = (min_distance_f < 100000.0 * BS * 0.9);
m_sneak_node = new_sneak_node;
m_sneak_node_exists = sneak_node_found;
if (sneak_node_found) {
f32 cb_max = 0;
MapNode n = map->getNodeNoEx(m_sneak_node);
std::vector<aabb3f> nodeboxes;
n.getCollisionBoxes(nodemgr, &nodeboxes);
for (const auto &box : nodeboxes) {
if (box.MaxEdge.Y > cb_max)
cb_max = box.MaxEdge.Y;
}
m_sneak_node_bb_ymax = cb_max;
}
/*
If sneaking, the player's collision box can be in air, so
this has to be set explicitly
*/
if (sneak_node_found && control.sneak)
touching_ground = true;
}
/*
Set new position but keep sneak node set
*/
bool sneak_node_exists = m_sneak_node_exists;
setPosition(position);
m_sneak_node_exists = sneak_node_exists;
/*
Report collisions
*/
// Dont report if flying
if (collision_info && !(g_settings->getBool("free_move") && fly_allowed)) {
for (const auto &info : result.collisions) {
collision_info->push_back(info);
}
}
if (!result.standing_on_object && !touching_ground_was && touching_ground) {
MtEvent *e = new SimpleTriggerEvent("PlayerRegainGround");
m_client->event()->put(e);
// Set camera impact value to be used for view bobbing
camera_impact = getSpeed().Y * -1;
}
{
camera_barely_in_ceiling = false;
v3s16 camera_np = floatToInt(getEyePosition(), BS);
MapNode n = map->getNodeNoEx(camera_np);
if (n.getContent() != CONTENT_IGNORE) {
if (nodemgr->get(n).walkable && nodemgr->get(n).solidness == 2)
camera_barely_in_ceiling = true;
}
}
/*
Update the node last under the player
*/
m_old_node_below = floatToInt(position - v3f(0, BS / 2, 0), BS);
m_old_node_below_type = nodemgr->get(map->getNodeNoEx(m_old_node_below)).name;
/*
Check properties of the node on which the player is standing
*/
const ContentFeatures &f = nodemgr->get(map->getNodeNoEx(getStandingNodePos()));
// Determine if jumping is possible
m_can_jump = touching_ground && !in_liquid;
if (itemgroup_get(f.groups, "disable_jump"))
m_can_jump = false;
// Jump key pressed while jumping off from a bouncy block
if (m_can_jump && control.jump && itemgroup_get(f.groups, "bouncy") &&
m_speed.Y >= -0.5 * BS) {
float jumpspeed = movement_speed_jump * physics_override_jump;
if (m_speed.Y > 1) {
// Reduce boost when speed already is high
m_speed.Y += jumpspeed / (1 + (m_speed.Y / 16 ));
} else {
m_speed.Y += jumpspeed;
}
setSpeed(m_speed);
m_can_jump = false;
}
}
bool LocalPlayer::updateSneakNode(Map *map, const v3f &position,
const v3f &sneak_max)
{
static const v3s16 dir9_center[9] = {
v3s16( 0, 0, 0),
v3s16( 1, 0, 0),
v3s16(-1, 0, 0),
v3s16( 0, 0, 1),
v3s16( 0, 0, -1),
v3s16( 1, 0, 1),
v3s16(-1, 0, 1),
v3s16( 1, 0, -1),
v3s16(-1, 0, -1)
};
INodeDefManager *nodemgr = m_client->ndef();
MapNode node;
bool is_valid_position;
bool new_sneak_node_exists = m_sneak_node_exists;
// We want the top of the sneak node to be below the players feet
f32 position_y_mod = 0.05 * BS;
if (m_sneak_node_exists)
position_y_mod = m_sneak_node_bb_top.MaxEdge.Y - position_y_mod;
// Get position of current standing node
const v3s16 current_node = floatToInt(position - v3f(0, position_y_mod, 0), BS);
if (current_node != m_sneak_node) {
new_sneak_node_exists = false;
} else {
node = map->getNodeNoEx(current_node, &is_valid_position);
if (!is_valid_position || !nodemgr->get(node).walkable)
new_sneak_node_exists = false;
}
// Keep old sneak node
if (new_sneak_node_exists)
return true;
// Get new sneak node
m_sneak_ladder_detected = false;
f32 min_distance_f = 100000.0 * BS;
for (const auto &d : dir9_center) {
const v3s16 p = current_node + d;
const v3f pf = intToFloat(p, BS);
const v2f diff(position.X - pf.X, position.Z - pf.Z);
f32 distance_f = diff.getLength();
if (distance_f > min_distance_f ||
fabs(diff.X) > (.5 + .1) * BS + sneak_max.X ||
fabs(diff.Y) > (.5 + .1) * BS + sneak_max.Z)
continue;
// The node to be sneaked on has to be walkable
node = map->getNodeNoEx(p, &is_valid_position);
if (!is_valid_position || !nodemgr->get(node).walkable)
continue;
// And the node(s) above have to be nonwalkable
bool ok = true;
if (!physics_override_sneak_glitch) {
u16 height = ceilf(
(m_collisionbox.MaxEdge.Y - m_collisionbox.MinEdge.Y) / BS
);
for (u16 y = 1; y <= height; y++) {
node = map->getNodeNoEx(p + v3s16(0, y, 0), &is_valid_position);
if (!is_valid_position || nodemgr->get(node).walkable) {
ok = false;
break;
}
}
} else {
// legacy behaviour: check just one node
node = map->getNodeNoEx(p + v3s16(0, 1, 0), &is_valid_position);
ok = is_valid_position && !nodemgr->get(node).walkable;
}
if (!ok)
continue;
min_distance_f = distance_f;
m_sneak_node = p;
new_sneak_node_exists = true;
}
if (!new_sneak_node_exists)
return false;
// Update saved top bounding box of sneak node
node = map->getNodeNoEx(m_sneak_node);
std::vector<aabb3f> nodeboxes;
node.getCollisionBoxes(nodemgr, &nodeboxes);
m_sneak_node_bb_top = getNodeBoundingBox(nodeboxes);
if (physics_override_sneak_glitch) {
// Detect sneak ladder:
// Node two meters above sneak node must be solid
node = map->getNodeNoEx(m_sneak_node + v3s16(0, 2, 0),
&is_valid_position);
if (is_valid_position && nodemgr->get(node).walkable) {
// Node three meters above: must be non-solid
node = map->getNodeNoEx(m_sneak_node + v3s16(0, 3, 0),
&is_valid_position);
m_sneak_ladder_detected = is_valid_position &&
!nodemgr->get(node).walkable;
}
}
return true;
}
void LocalPlayer::move(f32 dtime, Environment *env, f32 pos_max_d,
std::vector<CollisionInfo> *collision_info)
{
if (!collision_info || collision_info->empty()) {
// Node below the feet, update each ClientEnvironment::step()
m_standing_node = floatToInt(m_position, BS) - v3s16(0, 1, 0);
}
// Temporary option for old move code
if (!physics_override_new_move) {
old_move(dtime, env, pos_max_d, collision_info);
return;
}
Map *map = &env->getMap();
INodeDefManager *nodemgr = m_client->ndef();
v3f position = getPosition();
// Copy parent position if local player is attached
if (isAttached) {
setPosition(overridePosition);
return;
}
// Skip collision detection if noclip mode is used
bool fly_allowed = m_client->checkLocalPrivilege("fly");
bool noclip = m_client->checkLocalPrivilege("noclip") &&
g_settings->getBool("noclip");
bool free_move = g_settings->getBool("free_move") && fly_allowed;
if (noclip && free_move) {
position += m_speed * dtime;
setPosition(position);
return;
}
/*
Collision detection
*/
bool is_valid_position;
MapNode node;
v3s16 pp;
/*
Check if player is in liquid (the oscillating value)
*/
// If in liquid, the threshold of coming out is at higher y
if (in_liquid)
{
pp = floatToInt(position + v3f(0,BS*0.1,0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
if (is_valid_position) {
in_liquid = nodemgr->get(node.getContent()).isLiquid();
liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
} else {
in_liquid = false;
}
}
// If not in liquid, the threshold of going in is at lower y
else
{
pp = floatToInt(position + v3f(0,BS*0.5,0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
if (is_valid_position) {
in_liquid = nodemgr->get(node.getContent()).isLiquid();
liquid_viscosity = nodemgr->get(node.getContent()).liquid_viscosity;
} else {
in_liquid = false;
}
}
/*
Check if player is in liquid (the stable value)
*/
pp = floatToInt(position + v3f(0,0,0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
if (is_valid_position) {
in_liquid_stable = nodemgr->get(node.getContent()).isLiquid();
} else {
in_liquid_stable = false;
}
/*
Check if player is climbing
*/
pp = floatToInt(position + v3f(0,0.5*BS,0), BS);
v3s16 pp2 = floatToInt(position + v3f(0,-0.2*BS,0), BS);
node = map->getNodeNoEx(pp, &is_valid_position);
bool is_valid_position2;
MapNode node2 = map->getNodeNoEx(pp2, &is_valid_position2);
if (!(is_valid_position && is_valid_position2)) {
is_climbing = false;
} else {
is_climbing = (nodemgr->get(node.getContent()).climbable
|| nodemgr->get(node2.getContent()).climbable) && !free_move;
}
/*
Collision uncertainty radius
Make it a bit larger than the maximum distance of movement
*/
//f32 d = pos_max_d * 1.1;
// A fairly large value in here makes moving smoother
f32 d = 0.15*BS;
// This should always apply, otherwise there are glitches
sanity_check(d > pos_max_d);
// Player object property step height is multiplied by BS in
// /src/script/common/c_content.cpp and /src/content_sao.cpp
float player_stepheight = (m_cao == nullptr) ? 0.0f :
(touching_ground ? m_cao->getStepHeight() : (0.2f * BS));
// TODO this is a problematic hack.
// Use a better implementation for autojump, or apply a custom stepheight
// to all players, as this currently creates unintended special movement
// abilities and advantages for Android players on a server.
#ifdef __ANDROID__
if (touching_ground)
player_stepheight += (0.6f * BS);
#endif
v3f accel_f = v3f(0,0,0);
collisionMoveResult result = collisionMoveSimple(env, m_client,
pos_max_d, m_collisionbox, player_stepheight, dtime,
&position, &m_speed, accel_f);
bool could_sneak = control.sneak && !free_move && !in_liquid &&
!is_climbing && physics_override_sneak;
// Add new collisions to the vector
if (collision_info && !free_move) {
v3f diff = intToFloat(m_standing_node, BS) - position;
f32 distance = diff.getLength();
// Force update each ClientEnvironment::step()
bool is_first = collision_info->empty();
for (const auto &colinfo : result.collisions) {
collision_info->push_back(colinfo);
if (colinfo.type != COLLISION_NODE ||
colinfo.new_speed.Y != 0 ||
(could_sneak && m_sneak_node_exists))
continue;
diff = intToFloat(colinfo.node_p, BS) - position;
// Find nearest colliding node
f32 len = diff.getLength();
if (is_first || len < distance) {
m_standing_node = colinfo.node_p;
distance = len;
}
}
}
/*
If the player's feet touch the topside of any node, this is
set to true.
Player is allowed to jump when this is true.
*/
bool touching_ground_was = touching_ground;
touching_ground = result.touching_ground;
bool sneak_can_jump = false;
// Max. distance (X, Z) over border for sneaking determined by collision box
// * 0.49 to keep the center just barely on the node
v3f sneak_max = m_collisionbox.getExtent() * 0.49;
if (m_sneak_ladder_detected) {
// restore legacy behaviour (this makes the m_speed.Y hack necessary)
sneak_max = v3f(0.4 * BS, 0, 0.4 * BS);
}
/*
If sneaking, keep on top of last walked node and don't fall off
*/
if (could_sneak && m_sneak_node_exists) {
const v3f sn_f = intToFloat(m_sneak_node, BS);
const v3f bmin = sn_f + m_sneak_node_bb_top.MinEdge;
const v3f bmax = sn_f + m_sneak_node_bb_top.MaxEdge;
const v3f old_pos = position;
const v3f old_speed = m_speed;
f32 y_diff = bmax.Y - position.Y;
m_standing_node = m_sneak_node;
// (BS * 0.6f) is the basic stepheight while standing on ground
if (y_diff < BS * 0.6f) {
// Only center player when they're on the node
position.X = rangelim(position.X,
bmin.X - sneak_max.X, bmax.X + sneak_max.X);
position.Z = rangelim(position.Z,
bmin.Z - sneak_max.Z, bmax.Z + sneak_max.Z);
if (position.X != old_pos.X)
m_speed.X = 0;
if (position.Z != old_pos.Z)
m_speed.Z = 0;
}
if (y_diff > 0 && m_speed.Y < 0 &&
(physics_override_sneak_glitch || y_diff < BS * 0.6f)) {
// Move player to the maximal height when falling or when
// the ledge is climbed on the next step.
position.Y = bmax.Y;
m_speed.Y = 0;
}
// Allow jumping on node edges while sneaking
if (m_speed.Y == 0 || m_sneak_ladder_detected)
sneak_can_jump = true;
if (collision_info &&
m_speed.Y - old_speed.Y > BS) {
// Collide with sneak node, report fall damage
CollisionInfo sn_info;
sn_info.node_p = m_sneak_node;
sn_info.old_speed = old_speed;
sn_info.new_speed = m_speed;
collision_info->push_back(sn_info);
}
}
/*
Find the next sneak node if necessary
*/
bool new_sneak_node_exists = false;
if (could_sneak)
new_sneak_node_exists = updateSneakNode(map, position, sneak_max);
/*
Set new position but keep sneak node set
*/
setPosition(position);
m_sneak_node_exists = new_sneak_node_exists;
/*
Report collisions
*/
if(!result.standing_on_object && !touching_ground_was && touching_ground) {
MtEvent *e = new SimpleTriggerEvent("PlayerRegainGround");
m_client->event()->put(e);
// Set camera impact value to be used for view bobbing
camera_impact = getSpeed().Y * -1;
}
{
camera_barely_in_ceiling = false;
v3s16 camera_np = floatToInt(getEyePosition(), BS);
MapNode n = map->getNodeNoEx(camera_np);
if(n.getContent() != CONTENT_IGNORE){
if(nodemgr->get(n).walkable && nodemgr->get(n).solidness == 2){
camera_barely_in_ceiling = true;
}
}
}
/*
Check properties of the node on which the player is standing
*/
const ContentFeatures &f = nodemgr->get(map->getNodeNoEx(m_standing_node));
// Determine if jumping is possible
m_can_jump = (touching_ground && !in_liquid && !is_climbing)
|| sneak_can_jump;
if (itemgroup_get(f.groups, "disable_jump"))
m_can_jump = false;
// Jump key pressed while jumping off from a bouncy block
if (m_can_jump && control.jump && itemgroup_get(f.groups, "bouncy") &&
m_speed.Y >= -0.5 * BS) {
float jumpspeed = movement_speed_jump * physics_override_jump;
if (m_speed.Y > 1) {
// Reduce boost when speed already is high
m_speed.Y += jumpspeed / (1 + (m_speed.Y / 16 ));
} else {
m_speed.Y += jumpspeed;
}
setSpeed(m_speed);
m_can_jump = false;
}
}
static void getTileInfo(
// Input:
MeshMakeData *data,
v3s16 p,
v3s16 face_dir,
// Output:
bool &makes_face,
v3s16 &p_corrected,
v3s16 &face_dir_corrected,
u16 *lights,
TileSpec &tile,
u8 &light_source
)
{
VoxelManipulator &vmanip = data->m_vmanip;
INodeDefManager *ndef = data->m_gamedef->ndef();
v3s16 blockpos_nodes = data->m_blockpos * MAP_BLOCKSIZE;
MapNode n0 = vmanip.getNodeNoEx(blockpos_nodes + p);
// Don't even try to get n1 if n0 is already CONTENT_IGNORE
if (n0.getContent() == CONTENT_IGNORE ) {
makes_face = false;
return;
}
MapNode n1 = vmanip.getNodeNoEx(blockpos_nodes + p + face_dir);
// This is hackish
bool equivalent = false;
u8 mf = face_contents(n0.getContent(), n1.getContent(),
&equivalent, ndef);
if(mf == 0)
{
makes_face = false;
return;
}
makes_face = true;
if(mf == 1)
{
tile = getNodeTile(n0, p, face_dir, data);
p_corrected = p;
face_dir_corrected = face_dir;
light_source = ndef->get(n0).light_source;
}
else
{
tile = getNodeTile(n1, p + face_dir, -face_dir, data);
p_corrected = p + face_dir;
face_dir_corrected = -face_dir;
light_source = ndef->get(n1).light_source;
}
// eg. water and glass
if(equivalent)
tile.material_flags |= MATERIAL_FLAG_BACKFACE_CULLING;
if(data->m_smooth_lighting == false)
{
lights[0] = lights[1] = lights[2] = lights[3] =
getFaceLight(n0, n1, face_dir, ndef);
}
else
{
v3s16 vertex_dirs[4];
getNodeVertexDirs(face_dir_corrected, vertex_dirs);
for(u16 i=0; i<4; i++)
{
lights[i] = getSmoothLight(
blockpos_nodes + p_corrected,
vertex_dirs[i], data);
}
}
return;
}
void Camera::update(LocalPlayer* player, f32 frametime, f32 busytime,
f32 tool_reload_ratio, ClientEnvironment &c_env)
{
// Get player position
// Smooth the movement when walking up stairs
v3f old_player_position = m_playernode->getPosition();
v3f player_position = player->getPosition();
if (player->isAttached && player->parent)
player_position = player->parent->getPosition();
//if(player->touching_ground && player_position.Y > old_player_position.Y)
if(player->touching_ground &&
player_position.Y > old_player_position.Y)
{
f32 oldy = old_player_position.Y;
f32 newy = player_position.Y;
f32 t = exp(-23*frametime);
player_position.Y = oldy * t + newy * (1-t);
}
// Set player node transformation
m_playernode->setPosition(player_position);
m_playernode->setRotation(v3f(0, -1 * player->getYaw(), 0));
m_playernode->updateAbsolutePosition();
// Get camera tilt timer (hurt animation)
float cameratilt = fabs(fabs(player->hurt_tilt_timer-0.75)-0.75);
// Fall bobbing animation
float fall_bobbing = 0;
if(player->camera_impact >= 1 && m_camera_mode < CAMERA_MODE_THIRD)
{
if(m_view_bobbing_fall == -1) // Effect took place and has finished
player->camera_impact = m_view_bobbing_fall = 0;
else if(m_view_bobbing_fall == 0) // Initialize effect
m_view_bobbing_fall = 1;
// Convert 0 -> 1 to 0 -> 1 -> 0
fall_bobbing = m_view_bobbing_fall < 0.5 ? m_view_bobbing_fall * 2 : -(m_view_bobbing_fall - 0.5) * 2 + 1;
// Smoothen and invert the above
fall_bobbing = sin(fall_bobbing * 0.5 * M_PI) * -1;
// Amplify according to the intensity of the impact
fall_bobbing *= (1 - rangelim(50 / player->camera_impact, 0, 1)) * 5;
fall_bobbing *= m_cache_fall_bobbing_amount;
}
// Calculate players eye offset for different camera modes
v3f PlayerEyeOffset = player->getEyeOffset();
if (m_camera_mode == CAMERA_MODE_FIRST)
PlayerEyeOffset += player->eye_offset_first;
else
PlayerEyeOffset += player->eye_offset_third;
// Set head node transformation
m_headnode->setPosition(PlayerEyeOffset+v3f(0,cameratilt*-player->hurt_tilt_strength+fall_bobbing,0));
m_headnode->setRotation(v3f(player->getPitch(), 0, cameratilt*player->hurt_tilt_strength));
m_headnode->updateAbsolutePosition();
// Compute relative camera position and target
v3f rel_cam_pos = v3f(0,0,0);
v3f rel_cam_target = v3f(0,0,1);
v3f rel_cam_up = v3f(0,1,0);
if (m_view_bobbing_anim != 0 && m_camera_mode < CAMERA_MODE_THIRD)
{
f32 bobfrac = my_modf(m_view_bobbing_anim * 2);
f32 bobdir = (m_view_bobbing_anim < 0.5) ? 1.0 : -1.0;
#if 1
f32 bobknob = 1.2;
f32 bobtmp = sin(pow(bobfrac, bobknob) * M_PI);
//f32 bobtmp2 = cos(pow(bobfrac, bobknob) * M_PI);
v3f bobvec = v3f(
0.3 * bobdir * sin(bobfrac * M_PI),
-0.28 * bobtmp * bobtmp,
0.);
//rel_cam_pos += 0.2 * bobvec;
//rel_cam_target += 0.03 * bobvec;
//rel_cam_up.rotateXYBy(0.02 * bobdir * bobtmp * M_PI);
float f = 1.0;
f *= m_cache_view_bobbing_amount;
rel_cam_pos += bobvec * f;
//rel_cam_target += 0.995 * bobvec * f;
rel_cam_target += bobvec * f;
rel_cam_target.Z -= 0.005 * bobvec.Z * f;
//rel_cam_target.X -= 0.005 * bobvec.X * f;
//rel_cam_target.Y -= 0.005 * bobvec.Y * f;
rel_cam_up.rotateXYBy(-0.03 * bobdir * bobtmp * M_PI * f);
#else
f32 angle_deg = 1 * bobdir * sin(bobfrac * M_PI);
f32 angle_rad = angle_deg * M_PI / 180;
f32 r = 0.05;
v3f off = v3f(
r * sin(angle_rad),
r * (cos(angle_rad) - 1),
0);
rel_cam_pos += off;
//rel_cam_target += off;
rel_cam_up.rotateXYBy(angle_deg);
#endif
}
// Compute absolute camera position and target
m_headnode->getAbsoluteTransformation().transformVect(m_camera_position, rel_cam_pos);
m_headnode->getAbsoluteTransformation().rotateVect(m_camera_direction, rel_cam_target - rel_cam_pos);
v3f abs_cam_up;
m_headnode->getAbsoluteTransformation().rotateVect(abs_cam_up, rel_cam_up);
// Seperate camera position for calculation
v3f my_cp = m_camera_position;
// Reposition the camera for third person view
if (m_camera_mode > CAMERA_MODE_FIRST)
{
if (m_camera_mode == CAMERA_MODE_THIRD_FRONT)
m_camera_direction *= -1;
my_cp.Y += 2;
// Calculate new position
bool abort = false;
for (int i = BS; i <= BS*2.75; i++)
{
my_cp.X = m_camera_position.X + m_camera_direction.X*-i;
my_cp.Z = m_camera_position.Z + m_camera_direction.Z*-i;
if (i > 12)
my_cp.Y = m_camera_position.Y + (m_camera_direction.Y*-i);
// Prevent camera positioned inside nodes
INodeDefManager *nodemgr = m_gamedef->ndef();
MapNode n = c_env.getClientMap().getNodeNoEx(floatToInt(my_cp, BS));
const ContentFeatures& features = nodemgr->get(n);
if(features.walkable)
{
my_cp.X += m_camera_direction.X*-1*-BS/2;
my_cp.Z += m_camera_direction.Z*-1*-BS/2;
my_cp.Y += m_camera_direction.Y*-1*-BS/2;
abort = true;
break;
}
}
// If node blocks camera position don't move y to heigh
if (abort && my_cp.Y > player_position.Y+BS*2)
my_cp.Y = player_position.Y+BS*2;
}
// Update offset if too far away from the center of the map
m_camera_offset.X += CAMERA_OFFSET_STEP*
(((s16)(my_cp.X/BS) - m_camera_offset.X)/CAMERA_OFFSET_STEP);
m_camera_offset.Y += CAMERA_OFFSET_STEP*
(((s16)(my_cp.Y/BS) - m_camera_offset.Y)/CAMERA_OFFSET_STEP);
m_camera_offset.Z += CAMERA_OFFSET_STEP*
(((s16)(my_cp.Z/BS) - m_camera_offset.Z)/CAMERA_OFFSET_STEP);
// Set camera node transformation
m_cameranode->setPosition(my_cp-intToFloat(m_camera_offset, BS));
m_cameranode->setUpVector(abs_cam_up);
// *100.0 helps in large map coordinates
m_cameranode->setTarget(my_cp-intToFloat(m_camera_offset, BS) + 100 * m_camera_direction);
// update the camera position in front-view mode to render blocks behind player
if (m_camera_mode == CAMERA_MODE_THIRD_FRONT)
m_camera_position = my_cp;
// Get FOV setting
f32 fov_degrees = m_cache_fov;
fov_degrees = MYMAX(fov_degrees, 10.0);
fov_degrees = MYMIN(fov_degrees, 170.0);
// FOV and aspect ratio
m_aspect = (f32) porting::getWindowSize().X / (f32) porting::getWindowSize().Y;
m_fov_y = fov_degrees * M_PI / 180.0;
// Increase vertical FOV on lower aspect ratios (<16:10)
m_fov_y *= MYMAX(1.0, MYMIN(1.4, sqrt(16./10. / m_aspect)));
m_fov_x = 2 * atan(m_aspect * tan(0.5 * m_fov_y));
m_cameranode->setAspectRatio(m_aspect);
m_cameranode->setFOV(m_fov_y);
// Position the wielded item
//v3f wield_position = v3f(45, -35, 65);
v3f wield_position = v3f(55, -35, 65);
//v3f wield_rotation = v3f(-100, 120, -100);
v3f wield_rotation = v3f(-100, 120, -100);
wield_position.Y += fabs(m_wield_change_timer)*320 - 40;
if(m_digging_anim < 0.05 || m_digging_anim > 0.5)
{
f32 frac = 1.0;
if(m_digging_anim > 0.5)
frac = 2.0 * (m_digging_anim - 0.5);
// This value starts from 1 and settles to 0
f32 ratiothing = pow((1.0f - tool_reload_ratio), 0.5f);
//f32 ratiothing2 = pow(ratiothing, 0.5f);
f32 ratiothing2 = (easeCurve(ratiothing*0.5))*2.0;
wield_position.Y -= frac * 25.0 * pow(ratiothing2, 1.7f);
//wield_position.Z += frac * 5.0 * ratiothing2;
wield_position.X -= frac * 35.0 * pow(ratiothing2, 1.1f);
wield_rotation.Y += frac * 70.0 * pow(ratiothing2, 1.4f);
//wield_rotation.X -= frac * 15.0 * pow(ratiothing2, 1.4f);
//wield_rotation.Z += frac * 15.0 * pow(ratiothing2, 1.0f);
}
if (m_digging_button != -1)
{
f32 digfrac = m_digging_anim;
wield_position.X -= 50 * sin(pow(digfrac, 0.8f) * M_PI);
wield_position.Y += 24 * sin(digfrac * 1.8 * M_PI);
wield_position.Z += 25 * 0.5;
// Euler angles are PURE EVIL, so why not use quaternions?
core::quaternion quat_begin(wield_rotation * core::DEGTORAD);
core::quaternion quat_end(v3f(80, 30, 100) * core::DEGTORAD);
core::quaternion quat_slerp;
quat_slerp.slerp(quat_begin, quat_end, sin(digfrac * M_PI));
quat_slerp.toEuler(wield_rotation);
wield_rotation *= core::RADTODEG;
} else {
f32 bobfrac = my_modf(m_view_bobbing_anim);
wield_position.X -= sin(bobfrac*M_PI*2.0) * 3.0;
wield_position.Y += sin(my_modf(bobfrac*2.0)*M_PI) * 3.0;
}
m_wieldnode->setPosition(wield_position);
m_wieldnode->setRotation(wield_rotation);
m_wieldnode->setColor(player->light_color);
// Render distance feedback loop
updateViewingRange(frametime, busytime);
// If the player is walking, swimming, or climbing,
// view bobbing is enabled and free_move is off,
// start (or continue) the view bobbing animation.
v3f speed = player->getSpeed();
const bool movement_XZ = hypot(speed.X, speed.Z) > BS;
const bool movement_Y = fabs(speed.Y) > BS;
const bool walking = movement_XZ && player->touching_ground;
const bool swimming = (movement_XZ || player->swimming_vertical) && player->in_liquid;
const bool climbing = movement_Y && player->is_climbing;
if ((walking || swimming || climbing) &&
m_cache_view_bobbing &&
(!g_settings->getBool("free_move") || !m_gamedef->checkLocalPrivilege("fly")))
{
// Start animation
m_view_bobbing_state = 1;
m_view_bobbing_speed = MYMIN(speed.getLength(), 40);
}
else if (m_view_bobbing_state == 1)
{
// Stop animation
m_view_bobbing_state = 2;
m_view_bobbing_speed = 60;
}
}
MapgenV6::MapgenV6(int mapgenid, MapgenParams *params, EmergeManager *emerge)
: Mapgen(mapgenid, params, emerge)
{
this->m_emerge = emerge;
this->ystride = csize.X; //////fix this
this->heightmap = new s16[csize.X * csize.Z];
MapgenV6Params *sp = (MapgenV6Params *)params->sparams;
this->spflags = sp->spflags;
this->freq_desert = sp->freq_desert;
this->freq_beach = sp->freq_beach;
np_cave = &sp->np_cave;
np_humidity = &sp->np_humidity;
np_trees = &sp->np_trees;
np_apple_trees = &sp->np_apple_trees;
//// Create noise objects
noise_terrain_base = new Noise(&sp->np_terrain_base, seed, csize.X, csize.Y);
noise_terrain_higher = new Noise(&sp->np_terrain_higher, seed, csize.X, csize.Y);
noise_steepness = new Noise(&sp->np_steepness, seed, csize.X, csize.Y);
noise_height_select = new Noise(&sp->np_height_select, seed, csize.X, csize.Y);
noise_mud = new Noise(&sp->np_mud, seed, csize.X, csize.Y);
noise_beach = new Noise(&sp->np_beach, seed, csize.X, csize.Y);
noise_biome = new Noise(&sp->np_biome, seed,
csize.X + 2 * MAP_BLOCKSIZE, csize.Y + 2 * MAP_BLOCKSIZE);
noise_humidity = new Noise(&sp->np_humidity, seed,
csize.X + 2 * MAP_BLOCKSIZE, csize.Y + 2 * MAP_BLOCKSIZE);
//// Resolve nodes to be used
INodeDefManager *ndef = emerge->ndef;
c_stone = ndef->getId("mapgen_stone");
c_dirt = ndef->getId("mapgen_dirt");
c_dirt_with_grass = ndef->getId("mapgen_dirt_with_grass");
c_sand = ndef->getId("mapgen_sand");
c_water_source = ndef->getId("mapgen_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
c_gravel = ndef->getId("mapgen_gravel");
c_desert_stone = ndef->getId("mapgen_desert_stone");
c_desert_sand = ndef->getId("mapgen_desert_sand");
c_dirt_with_snow = ndef->getId("mapgen_dirt_with_snow");
c_snow = ndef->getId("mapgen_snow");
c_snowblock = ndef->getId("mapgen_snowblock");
c_ice = ndef->getId("mapgen_ice");
c_cobble = ndef->getId("mapgen_cobble");
c_stair_cobble = ndef->getId("mapgen_stair_cobble");
c_mossycobble = ndef->getId("mapgen_mossycobble");
if (c_desert_sand == CONTENT_IGNORE)
c_desert_sand = c_sand;
if (c_desert_stone == CONTENT_IGNORE)
c_desert_stone = c_stone;
if (c_mossycobble == CONTENT_IGNORE)
c_mossycobble = c_cobble;
if (c_stair_cobble == CONTENT_IGNORE)
c_stair_cobble = c_cobble;
if (c_dirt_with_snow == CONTENT_IGNORE)
c_dirt_with_snow = c_dirt_with_grass;
if (c_snow == CONTENT_IGNORE)
c_snow = CONTENT_AIR;
if (c_snowblock == CONTENT_IGNORE)
c_snowblock = c_dirt_with_grass;
if (c_ice == CONTENT_IGNORE)
c_ice = c_water_source;
}
virtual void updateTexturesAndMeshes(IGameDef *gamedef)
{
#ifndef SERVER
infostream<<"ItemDefManager::updateTexturesAndMeshes(): Updating "
<<"textures and meshes in item definitions"<<std::endl;
ITextureSource *tsrc = gamedef->getTextureSource();
INodeDefManager *nodedef = gamedef->getNodeDefManager();
IrrlichtDevice *device = tsrc->getDevice();
video::IVideoDriver *driver = device->getVideoDriver();
for(std::map<std::string, ItemDefinition*>::iterator
i = m_item_definitions.begin();
i != m_item_definitions.end(); i++)
{
ItemDefinition *def = i->second;
bool need_node_mesh = false;
// Create an inventory texture
def->inventory_texture = NULL;
if(def->inventory_image != "")
{
def->inventory_texture = tsrc->getTextureRaw(def->inventory_image);
}
else if(def->type == ITEM_NODE)
{
need_node_mesh = true;
}
// Create a wield mesh
if(def->wield_mesh != NULL)
{
def->wield_mesh->drop();
def->wield_mesh = NULL;
}
if(def->type == ITEM_NODE && def->wield_image == "")
{
need_node_mesh = true;
}
else if(def->wield_image != "" || def->inventory_image != "")
{
// Extrude the wield image into a mesh
std::string imagename;
if(def->wield_image != "")
imagename = def->wield_image;
else
imagename = def->inventory_image;
def->wield_mesh = createExtrudedMesh(
tsrc->getTextureRaw(imagename),
driver,
def->wield_scale * v3f(40.0, 40.0, 4.0));
if(def->wield_mesh == NULL)
{
infostream<<"ItemDefManager: WARNING: "
<<"updateTexturesAndMeshes(): "
<<"Unable to create extruded mesh for item "
<<def->name<<std::endl;
}
}
if(need_node_mesh)
{
/*
Get node properties
*/
content_t id = nodedef->getId(def->name);
const ContentFeatures &f = nodedef->get(id);
u8 param1 = 0;
if(f.param_type == CPT_LIGHT)
param1 = 0xee;
/*
Make a mesh from the node
*/
MeshMakeData mesh_make_data(gamedef);
MapNode mesh_make_node(id, param1, 0);
mesh_make_data.fillSingleNode(&mesh_make_node);
MapBlockMesh mapblock_mesh(&mesh_make_data);
scene::IMesh *node_mesh = mapblock_mesh.getMesh();
assert(node_mesh);
setMeshColor(node_mesh, video::SColor(255, 255, 255, 255));
/*
Scale and translate the mesh so it's a unit cube
centered on the origin
*/
scaleMesh(node_mesh, v3f(1.0/BS, 1.0/BS, 1.0/BS));
translateMesh(node_mesh, v3f(-1.0, -1.0, -1.0));
/*
Draw node mesh into a render target texture
*/
if(def->inventory_texture == NULL)
{
core::dimension2d<u32> dim(64,64);
std::string rtt_texture_name = "INVENTORY_"
+ def->name + "_RTT";
v3f camera_position(0, 1.0, -1.5);
camera_position.rotateXZBy(45);
v3f camera_lookat(0, 0, 0);
core::CMatrix4<f32> camera_projection_matrix;
// Set orthogonal projection
camera_projection_matrix.buildProjectionMatrixOrthoLH(
1.65, 1.65, 0, 100);
video::SColorf ambient_light(0.2,0.2,0.2);
v3f light_position(10, 100, -50);
video::SColorf light_color(0.5,0.5,0.5);
f32 light_radius = 1000;
def->inventory_texture = generateTextureFromMesh(
node_mesh, device, dim, rtt_texture_name,
camera_position,
camera_lookat,
camera_projection_matrix,
ambient_light,
light_position,
light_color,
light_radius);
// render-to-target didn't work
if(def->inventory_texture == NULL)
{
def->inventory_texture =
tsrc->getTextureRaw(f.tname_tiles[0]);
}
}
/*
Use the node mesh as the wield mesh
*/
if(def->wield_mesh == NULL)
{
// Scale to proper wield mesh proportions
scaleMesh(node_mesh, v3f(30.0, 30.0, 30.0)
* def->wield_scale);
def->wield_mesh = node_mesh;
def->wield_mesh->grab();
}
// falling outside of here deletes node_mesh
}
}
#endif
}
/*
Propagates sunlight down through the block.
Doesn't modify nodes that are not affected by sunlight.
Returns false if sunlight at bottom block is invalid.
Returns true if sunlight at bottom block is valid.
Returns true if bottom block doesn't exist.
If there is a block above, continues from it.
If there is no block above, assumes there is sunlight, unless
is_underground is set or highest node is water.
All sunlighted nodes are added to light_sources.
if remove_light==true, sets non-sunlighted nodes black.
if black_air_left!=NULL, it is set to true if non-sunlighted
air is left in block.
*/
bool MapBlock::propagateSunlight(std::set<v3s16> & light_sources,
bool remove_light, bool *black_air_left)
{
INodeDefManager *nodemgr = m_gamedef->ndef();
// Whether the sunlight at the top of the bottom block is valid
bool block_below_is_valid = true;
v3s16 pos_relative = getPosRelative();
for(s16 x=0; x<MAP_BLOCKSIZE; x++)
{
for(s16 z=0; z<MAP_BLOCKSIZE; z++)
{
#if 1
bool no_sunlight = false;
bool no_top_block = false;
// Check if node above block has sunlight
try{
MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z));
if(n.getContent() == CONTENT_IGNORE)
{
// Trust heuristics
no_sunlight = is_underground;
}
else if(n.getLight(LIGHTBANK_DAY, m_gamedef->ndef()) != LIGHT_SUN)
{
no_sunlight = true;
}
}
catch(InvalidPositionException &e)
{
no_top_block = true;
// NOTE: This makes over-ground roofed places sunlighted
// Assume sunlight, unless is_underground==true
if(is_underground)
{
no_sunlight = true;
}
else
{
MapNode n = getNode(v3s16(x, MAP_BLOCKSIZE-1, z));
if(m_gamedef->ndef()->get(n).sunlight_propagates == false)
{
no_sunlight = true;
}
}
// NOTE: As of now, this just would make everything dark.
// No sunlight here
//no_sunlight = true;
}
#endif
#if 0 // Doesn't work; nothing gets light.
bool no_sunlight = true;
bool no_top_block = false;
// Check if node above block has sunlight
try{
MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z));
if(n.getLight(LIGHTBANK_DAY) == LIGHT_SUN)
{
no_sunlight = false;
}
}
catch(InvalidPositionException &e)
{
no_top_block = true;
}
#endif
/*std::cout<<"("<<x<<","<<z<<"): "
<<"no_top_block="<<no_top_block
<<", is_underground="<<is_underground
<<", no_sunlight="<<no_sunlight
<<std::endl;*/
s16 y = MAP_BLOCKSIZE-1;
// This makes difference to diminishing in water.
bool stopped_to_solid_object = false;
u8 current_light = no_sunlight ? 0 : LIGHT_SUN;
for(; y >= 0; y--)
{
v3s16 pos(x, y, z);
MapNode &n = getNodeRef(pos);
if(current_light == 0)
{
// Do nothing
}
else if(current_light == LIGHT_SUN && nodemgr->get(n).sunlight_propagates)
{
// Do nothing: Sunlight is continued
}
else if(nodemgr->get(n).light_propagates == false)
{
// A solid object is on the way.
stopped_to_solid_object = true;
// Light stops.
current_light = 0;
}
else
{
// Diminish light
current_light = diminish_light(current_light);
}
u8 old_light = n.getLight(LIGHTBANK_DAY, nodemgr);
if(current_light > old_light || remove_light)
{
n.setLight(LIGHTBANK_DAY, current_light, nodemgr);
}
if(diminish_light(current_light) != 0)
{
light_sources.insert(pos_relative + pos);
}
if(current_light == 0 && stopped_to_solid_object)
{
if(black_air_left)
{
*black_air_left = true;
}
}
}
// Whether or not the block below should see LIGHT_SUN
bool sunlight_should_go_down = (current_light == LIGHT_SUN);
/*
If the block below hasn't already been marked invalid:
Check if the node below the block has proper sunlight at top.
If not, the block below is invalid.
Ignore non-transparent nodes as they always have no light
*/
try
{
if(block_below_is_valid)
{
MapNode n = getNodeParent(v3s16(x, -1, z));
if(nodemgr->get(n).light_propagates)
{
if(n.getLight(LIGHTBANK_DAY, nodemgr) == LIGHT_SUN
&& sunlight_should_go_down == false)
block_below_is_valid = false;
else if(n.getLight(LIGHTBANK_DAY, nodemgr) != LIGHT_SUN
&& sunlight_should_go_down == true)
block_below_is_valid = false;
}
}//if
}//try
catch(InvalidPositionException &e)
{
/*std::cout<<"InvalidBlockException for bottom block node"
<<std::endl;*/
// Just no block below, no need to panic.
}
}
}
return block_below_is_valid;
}
void LocalPlayer::move(f32 dtime, ClientEnvironment *env, f32 pos_max_d,
std::list<CollisionInfo> *collision_info)
{
Map *map = &env->getMap();
INodeDefManager *nodemgr = m_gamedef->ndef();
v3f position = getPosition();
v3f old_speed = m_speed;
// Copy parent position if local player is attached
if(isAttached)
{
setPosition(overridePosition);
return;
}
// Skip collision detection if noclip mode is used
bool fly_allowed = m_gamedef->checkLocalPrivilege("fly");
bool noclip = m_gamedef->checkLocalPrivilege("noclip") &&
g_settings->getBool("noclip");
bool free_move = noclip && fly_allowed && g_settings->getBool("free_move");
if(free_move)
{
position += m_speed * dtime;
setPosition(position);
return;
}
/*
Collision detection
*/
/*
Check if player is in liquid (the oscillating value)
*/
try{
// If in liquid, the threshold of coming out is at higher y
if(in_liquid)
{
v3s16 pp = floatToInt(position + v3f(0,BS*0.1,0), BS);
in_liquid = nodemgr->get(map->getNode(pp).getContent()).isLiquid();
liquid_viscosity = nodemgr->get(map->getNode(pp).getContent()).liquid_viscosity;
}
// If not in liquid, the threshold of going in is at lower y
else
{
v3s16 pp = floatToInt(position + v3f(0,BS*0.5,0), BS);
in_liquid = nodemgr->get(map->getNode(pp).getContent()).isLiquid();
liquid_viscosity = nodemgr->get(map->getNode(pp).getContent()).liquid_viscosity;
}
}
catch(InvalidPositionException &e)
{
in_liquid = false;
}
/*
Check if player is in liquid (the stable value)
*/
try{
v3s16 pp = floatToInt(position + v3f(0,0,0), BS);
in_liquid_stable = nodemgr->get(map->getNode(pp).getContent()).isLiquid();
}
catch(InvalidPositionException &e)
{
in_liquid_stable = false;
}
/*
Check if player is climbing
*/
try {
v3s16 pp = floatToInt(position + v3f(0,0.5*BS,0), BS);
v3s16 pp2 = floatToInt(position + v3f(0,-0.2*BS,0), BS);
is_climbing = ((nodemgr->get(map->getNode(pp).getContent()).climbable ||
nodemgr->get(map->getNode(pp2).getContent()).climbable) && !free_move);
}
catch(InvalidPositionException &e)
{
is_climbing = false;
}
/*
Collision uncertainty radius
Make it a bit larger than the maximum distance of movement
*/
//f32 d = pos_max_d * 1.1;
// A fairly large value in here makes moving smoother
f32 d = 0.15*BS;
// This should always apply, otherwise there are glitches
assert(d > pos_max_d);
float player_radius = BS*0.30;
float player_height = BS*1.55;
// Maximum distance over border for sneaking
f32 sneak_max = BS*0.4;
/*
If sneaking, keep in range from the last walked node and don't
fall off from it
*/
if(control.sneak && m_sneak_node_exists && !(fly_allowed && g_settings->getBool("free_move")) && !in_liquid)
{
f32 maxd = 0.5*BS + sneak_max;
v3f lwn_f = intToFloat(m_sneak_node, BS);
position.X = rangelim(position.X, lwn_f.X-maxd, lwn_f.X+maxd);
position.Z = rangelim(position.Z, lwn_f.Z-maxd, lwn_f.Z+maxd);
if(!is_climbing)
{
f32 min_y = lwn_f.Y + 0.5*BS;
if(position.Y < min_y)
{
position.Y = min_y;
if(m_speed.Y < 0)
m_speed.Y = 0;
}
}
}
/*
Calculate player collision box (new and old)
*/
core::aabbox3d<f32> playerbox(
-player_radius,
0.0,
-player_radius,
player_radius,
player_height,
player_radius
);
float player_stepheight = touching_ground ? (BS*0.6) : (BS*0.2);
v3f accel_f = v3f(0,0,0);
collisionMoveResult result = collisionMoveSimple(env, m_gamedef,
pos_max_d, playerbox, player_stepheight, dtime,
position, m_speed, accel_f);
/*
If the player's feet touch the topside of any node, this is
set to true.
Player is allowed to jump when this is true.
*/
bool touching_ground_was = touching_ground;
touching_ground = result.touching_ground;
//bool standing_on_unloaded = result.standing_on_unloaded;
/*
Check the nodes under the player to see from which node the
player is sneaking from, if any. If the node from under
the player has been removed, the player falls.
*/
v3s16 current_node = floatToInt(position - v3f(0,BS/2,0), BS);
if(m_sneak_node_exists &&
nodemgr->get(map->getNodeNoEx(m_old_node_below)).name == "air" &&
m_old_node_below_type != "air")
{
// Old node appears to have been removed; that is,
// it wasn't air before but now it is
m_need_to_get_new_sneak_node = false;
m_sneak_node_exists = false;
}
else if(nodemgr->get(map->getNodeNoEx(current_node)).name != "air")
{
// We are on something, so make sure to recalculate the sneak
// node.
m_need_to_get_new_sneak_node = true;
}
if(m_need_to_get_new_sneak_node)
{
v3s16 pos_i_bottom = floatToInt(position - v3f(0,BS/2,0), BS);
v2f player_p2df(position.X, position.Z);
f32 min_distance_f = 100000.0*BS;
// If already seeking from some node, compare to it.
/*if(m_sneak_node_exists)
{
v3f sneaknode_pf = intToFloat(m_sneak_node, BS);
v2f sneaknode_p2df(sneaknode_pf.X, sneaknode_pf.Z);
f32 d_horiz_f = player_p2df.getDistanceFrom(sneaknode_p2df);
f32 d_vert_f = fabs(sneaknode_pf.Y + BS*0.5 - position.Y);
// Ignore if player is not on the same level (likely dropped)
if(d_vert_f < 0.15*BS)
min_distance_f = d_horiz_f;
}*/
v3s16 new_sneak_node = m_sneak_node;
for(s16 x=-1; x<=1; x++)
for(s16 z=-1; z<=1; z++)
{
v3s16 p = pos_i_bottom + v3s16(x,0,z);
v3f pf = intToFloat(p, BS);
v2f node_p2df(pf.X, pf.Z);
f32 distance_f = player_p2df.getDistanceFrom(node_p2df);
f32 max_axis_distance_f = MYMAX(
fabs(player_p2df.X-node_p2df.X),
fabs(player_p2df.Y-node_p2df.Y));
if(distance_f > min_distance_f ||
max_axis_distance_f > 0.5*BS + sneak_max + 0.1*BS)
continue;
try{
// The node to be sneaked on has to be walkable
if(nodemgr->get(map->getNode(p)).walkable == false)
continue;
// And the node above it has to be nonwalkable
if(nodemgr->get(map->getNode(p+v3s16(0,1,0))).walkable == true)
continue;
}
catch(InvalidPositionException &e)
{
continue;
}
min_distance_f = distance_f;
new_sneak_node = p;
}
bool sneak_node_found = (min_distance_f < 100000.0*BS*0.9);
m_sneak_node = new_sneak_node;
m_sneak_node_exists = sneak_node_found;
/*
If sneaking, the player's collision box can be in air, so
this has to be set explicitly
*/
if(sneak_node_found && control.sneak)
touching_ground = true;
}
/*
Set new position
*/
setPosition(position);
/*
Report collisions
*/
bool bouncy_jump = false;
// Dont report if flying
if(collision_info && !(g_settings->getBool("free_move") && fly_allowed))
{
for(size_t i=0; i<result.collisions.size(); i++){
const CollisionInfo &info = result.collisions[i];
collision_info->push_back(info);
if(info.new_speed.Y - info.old_speed.Y > 0.1*BS &&
info.bouncy)
bouncy_jump = true;
}
}
if(bouncy_jump && control.jump){
m_speed.Y += movement_speed_jump*BS;
touching_ground = false;
MtEvent *e = new SimpleTriggerEvent("PlayerJump");
m_gamedef->event()->put(e);
}
if(!touching_ground_was && touching_ground){
MtEvent *e = new SimpleTriggerEvent("PlayerRegainGround");
m_gamedef->event()->put(e);
}
{
camera_barely_in_ceiling = false;
v3s16 camera_np = floatToInt(getEyePosition(), BS);
MapNode n = map->getNodeNoEx(camera_np);
if(n.getContent() != CONTENT_IGNORE){
if(nodemgr->get(n).walkable && nodemgr->get(n).solidness == 2){
camera_barely_in_ceiling = true;
}
}
}
/*
Update the node last under the player
*/
m_old_node_below = floatToInt(position - v3f(0,BS/2,0), BS);
m_old_node_below_type = nodemgr->get(map->getNodeNoEx(m_old_node_below)).name;
/*
Check properties of the node on which the player is standing
*/
const ContentFeatures &f = nodemgr->get(map->getNodeNoEx(getStandingNodePos()));
// Determine if jumping is possible
m_can_jump = touching_ground && !in_liquid;
if(itemgroup_get(f.groups, "disable_jump"))
m_can_jump = false;
}
// 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;
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->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);
//// 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, NODE_RESOLVE_DEFERRED);
ObjDefHandle handle = decomgr->add(deco);
if (handle == OBJDEF_INVALID_HANDLE) {
delete deco;
return 0;
}
lua_pushinteger(L, handle);
return 1;
}
/*
Calculate smooth lighting at the XYZ- corner of p.
Both light banks
*/
static u16 getSmoothLightCombined(v3s16 p, MeshMakeData *data)
{
static const v3s16 dirs8[8] = {
v3s16(0,0,0),
v3s16(0,0,1),
v3s16(0,1,0),
v3s16(0,1,1),
v3s16(1,0,0),
v3s16(1,1,0),
v3s16(1,0,1),
v3s16(1,1,1),
};
INodeDefManager *ndef = data->m_gamedef->ndef();
u16 ambient_occlusion = 0;
u16 light_count = 0;
u8 light_source_max = 0;
u16 light_day = 0;
u16 light_night = 0;
for (u32 i = 0; i < 8; i++)
{
const MapNode &n = data->m_vmanip.getNodeRefUnsafeCheckFlags(p - dirs8[i]);
// if it's CONTENT_IGNORE we can't do any light calculations
if (n.getContent() == CONTENT_IGNORE) {
continue;
}
const ContentFeatures &f = ndef->get(n);
if (f.light_source > light_source_max)
light_source_max = f.light_source;
// Check f.solidness because fast-style leaves look better this way
if (f.param_type == CPT_LIGHT && f.solidness != 2) {
light_day += decode_light(n.getLightNoChecks(LIGHTBANK_DAY, &f));
light_night += decode_light(n.getLightNoChecks(LIGHTBANK_NIGHT, &f));
light_count++;
} else {
ambient_occlusion++;
}
}
if(light_count == 0)
return 0xffff;
light_day /= light_count;
light_night /= light_count;
// Boost brightness around light sources
bool skip_ambient_occlusion_day = false;
if(decode_light(light_source_max) >= light_day) {
light_day = decode_light(light_source_max);
skip_ambient_occlusion_day = true;
}
bool skip_ambient_occlusion_night = false;
if(decode_light(light_source_max) >= light_night) {
light_night = decode_light(light_source_max);
skip_ambient_occlusion_night = true;
}
if (ambient_occlusion > 4)
{
static const float ao_gamma = rangelim(
g_settings->getFloat("ambient_occlusion_gamma"), 0.25, 4.0);
// Table of gamma space multiply factors.
static const float light_amount[3] = {
powf(0.75, 1.0 / ao_gamma),
powf(0.5, 1.0 / ao_gamma),
powf(0.25, 1.0 / ao_gamma)
};
//calculate table index for gamma space multiplier
ambient_occlusion -= 5;
if (!skip_ambient_occlusion_day)
light_day = rangelim(core::round32(light_day*light_amount[ambient_occlusion]), 0, 255);
if (!skip_ambient_occlusion_night)
light_night = rangelim(core::round32(light_night*light_amount[ambient_occlusion]), 0, 255);
}
return light_day | (light_night << 8);
}
MapgenValleys::MapgenValleys(int mapgenid, MapgenParams *params, EmergeManager *emerge)
: Mapgen(mapgenid, params, emerge)
{
this->m_emerge = emerge;
this->bmgr = emerge->biomemgr;
//// amount of elements to skip for the next index
//// for noise/height/biome maps (not vmanip)
this->ystride = csize.X;
this->zstride = csize.X * (csize.Y + 2);
this->biomemap = new u8[csize.X * csize.Z];
this->heightmap = new s16[csize.X * csize.Z];
this->heatmap = NULL;
this->humidmap = NULL;
MapgenValleysParams *sp = (MapgenValleysParams *)params->sparams;
this->spflags = sp->spflags;
this->cliff_terrain = (spflags & MG_VALLEYS_CLIFFS);
this->fast_terrain = (spflags & MG_VALLEYS_FAST);
this->humid_rivers = (spflags & MG_VALLEYS_HUMID_RIVERS);
this->rugged_terrain = (spflags & MG_VALLEYS_RUGGED);
this->use_altitude_chill = (spflags & MG_VALLEYS_ALT_CHILL);
this->altitude_chill = sp->altitude_chill;
this->cave_water_max_height = sp->cave_water_max_height;
this->humidity_adjust = sp->humidity - 50.f;
this->humidity_break_point = sp->humidity_break_point;
this->lava_max_height = sp->lava_max_height;
this->river_depth = sp->river_depth + 1.f;
this->river_size = sp->river_size / 100.f;
this->temperature_adjust = sp->temperature - 50.f;
this->water_features = MYMAX(1, MYMIN(11, 11 - sp->water_features));
//// 2D Terrain noise
noise_cliffs = new Noise(&sp->np_cliffs, seed, csize.X, csize.Z);
noise_corr = new Noise(&sp->np_corr, seed, csize.X, csize.Z);
noise_filler_depth = new Noise(&sp->np_filler_depth, seed, csize.X, csize.Z);
noise_inter_valley_slope = new Noise(&sp->np_inter_valley_slope, seed, csize.X, csize.Z);
noise_rivers = new Noise(&sp->np_rivers, seed, csize.X, csize.Z);
noise_terrain_height = new Noise(&sp->np_terrain_height, seed, csize.X, csize.Z);
noise_valley_depth = new Noise(&sp->np_valley_depth, seed, csize.X, csize.Z);
noise_valley_profile = new Noise(&sp->np_valley_profile, seed, csize.X, csize.Z);
if (this->fast_terrain)
noise_inter_valley_fill = new Noise(&sp->np_inter_valley_fill, seed, csize.X, csize.Z);
//// 3D Terrain noise
noise_simple_caves_1 = new Noise(&sp->np_simple_caves_1, seed, csize.X, csize.Y + 2, csize.Z);
noise_simple_caves_2 = new Noise(&sp->np_simple_caves_2, seed, csize.X, csize.Y + 2, csize.Z);
if (!this->fast_terrain)
noise_inter_valley_fill = new Noise(&sp->np_inter_valley_fill, seed, csize.X, csize.Y + 2, csize.Z);
//// Biome noise
noise_heat_blend = new Noise(¶ms->np_biome_heat_blend, seed, csize.X, csize.Z);
noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z);
noise_humidity_blend = new Noise(¶ms->np_biome_humidity_blend, seed, csize.X, csize.Z);
noise_humidity = new Noise(¶ms->np_biome_humidity, seed, csize.X, csize.Z);
//// Resolve nodes to be used
INodeDefManager *ndef = emerge->ndef;
c_cobble = ndef->getId("mapgen_cobble");
c_desert_stone = ndef->getId("mapgen_desert_stone");
c_dirt = ndef->getId("mapgen_dirt");
c_lava_source = ndef->getId("mapgen_lava_source");
c_mossycobble = ndef->getId("mapgen_mossycobble");
c_river_water_source = ndef->getId("mapgen_river_water_source");
c_sand = ndef->getId("mapgen_sand");
c_sandstonebrick = ndef->getId("mapgen_sandstonebrick");
c_sandstone = ndef->getId("mapgen_sandstone");
c_stair_cobble = ndef->getId("mapgen_stair_cobble");
c_stair_sandstonebrick = ndef->getId("mapgen_stair_sandstonebrick");
c_stone = ndef->getId("mapgen_stone");
c_water_source = ndef->getId("mapgen_water_source");
if (c_mossycobble == CONTENT_IGNORE)
c_mossycobble = c_cobble;
if (c_river_water_source == CONTENT_IGNORE)
c_river_water_source = c_water_source;
if (c_sand == CONTENT_IGNORE)
c_sand = c_stone;
if (c_sandstonebrick == CONTENT_IGNORE)
c_sandstonebrick = c_sandstone;
if (c_stair_cobble == CONTENT_IGNORE)
c_stair_cobble = c_cobble;
if (c_stair_sandstonebrick == CONTENT_IGNORE)
c_stair_sandstonebrick = c_sandstone;
}
u32 Map::updateLighting(concurrent_map<v3POS, MapBlock*> & a_blocks,
std::map<v3POS, MapBlock*> & modified_blocks, unsigned int max_cycle_ms) {
INodeDefManager *nodemgr = m_gamedef->ndef();
int ret = 0;
int loopcount = 0;
TimeTaker timer("updateLighting");
// For debugging
//bool debug=true;
//u32 count_was = modified_blocks.size();
//std::unordered_set<v3POS, v3POSHash, v3POSEqual> light_sources;
//std::unordered_map<v3POS, u8, v3POSHash, v3POSEqual> unlight_from_day, unlight_from_night;
std::set<v3POS> light_sources;
std::map<v3POS, u8> unlight_from_day, unlight_from_night;
unordered_map_v3POS<int> processed;
int num_bottom_invalid = 0;
//MutexAutoLock lock2(m_update_lighting_mutex);
#if !ENABLE_THREADS
auto lock = m_nothread_locker.lock_unique_rec();
#endif
{
//TimeTaker t("updateLighting: first stuff");
u32 end_ms = porting::getTimeMs() + max_cycle_ms;
for(auto i = a_blocks.begin();
i != a_blocks.end(); ++i) {
auto block = getBlockNoCreateNoEx(i->first);
for(;;) {
// Don't bother with dummy blocks.
if(!block || block->isDummy())
break;
auto lock = block->try_lock_unique_rec();
if (!lock->owns_lock())
break; // may cause dark areas
v3POS pos = block->getPos();
if (processed.count(pos) && processed[pos] <= i->first.Y ) {
break;
}
++loopcount;
processed[pos] = i->first.Y;
v3POS posnodes = block->getPosRelative();
//modified_blocks[pos] = block;
block->setLightingExpired(true);
block->lighting_broken = true;
/*
Clear all light from block
*/
for(s16 z = 0; z < MAP_BLOCKSIZE; z++)
for(s16 x = 0; x < MAP_BLOCKSIZE; x++)
for(s16 y = 0; y < MAP_BLOCKSIZE; y++) {
v3POS p(x, y, z);
bool is_valid_position;
MapNode n = block->getNode(p, &is_valid_position);
if (!is_valid_position) {
/* This would happen when dealing with a
dummy block.
*/
infostream << "updateLighting(): InvalidPositionException"
<< std::endl;
continue;
}
u8 oldlight_day = n.getLight(LIGHTBANK_DAY, nodemgr);
u8 oldlight_night = n.getLight(LIGHTBANK_NIGHT, nodemgr);
n.setLight(LIGHTBANK_DAY, 0, nodemgr);
n.setLight(LIGHTBANK_NIGHT, 0, nodemgr);
block->setNode(p, n);
// If node sources light, add to list
//u8 source = nodemgr->get(n).light_source;
if(nodemgr->get(n).light_source)
light_sources.insert(p + posnodes);
v3POS p_map = p + posnodes;
// Collect borders for unlighting
if(x == 0 || x == MAP_BLOCKSIZE - 1
|| y == 0 || y == MAP_BLOCKSIZE - 1
|| z == 0 || z == MAP_BLOCKSIZE - 1) {
if(oldlight_day)
unlight_from_day[p_map] = oldlight_day;
if(oldlight_night)
unlight_from_night[p_map] = oldlight_night;
}
}
lock->unlock();
bool bottom_valid = propagateSunlight(pos, light_sources);
if(!bottom_valid)
num_bottom_invalid++;
pos.Y--;
block = getBlockNoCreateNoEx(pos);
}
if (porting::getTimeMs() > end_ms) {
++ret;
break;
}
}
}
{
//TimeTaker timer("updateLighting: unspreadLight");
unspreadLight(LIGHTBANK_DAY, unlight_from_day, light_sources, modified_blocks);
unspreadLight(LIGHTBANK_NIGHT, unlight_from_night, light_sources, modified_blocks);
}
{
//TimeTaker timer("updateLighting: spreadLight");
spreadLight(LIGHTBANK_DAY, light_sources, modified_blocks, porting::getTimeMs() + max_cycle_ms * 10);
spreadLight(LIGHTBANK_NIGHT, light_sources, modified_blocks, porting::getTimeMs() + max_cycle_ms * 10);
}
for (auto & i : processed) {
a_blocks.erase(i.first);
MapBlock *block = getBlockNoCreateNoEx(i.first);
if(!block)
continue;
block->setLightingExpired(false);
block->lighting_broken = false;
}
g_profiler->add("Server: light blocks", loopcount);
return ret;
}
void FallingSAO::step(float dtime, bool send_recommended)
{
// Object pending removal, skip
if (m_removed || !m_env) {
return;
}
// If no texture, remove it
if (m_prop.textures.empty()) {
m_removed = true;
return;
}
LuaEntitySAO::step(dtime, send_recommended);
INodeDefManager* ndef = m_env->getGameDef()->getNodeDefManager();
m_acceleration = v3f(0,-10*BS,0);
// Under node, center
v3f p_under(m_base_position.X, m_base_position.Y - 7, m_base_position.Z);
v3s16 p = floatToInt(m_base_position, BS);
/*
bool cur_exists = false, under_exists = false;
*/
MapNode n = m_env->getMap().getNode(p),
n_under = m_env->getMap().getNode(floatToInt(p_under, BS));
const ContentFeatures &f = ndef->get(n), &f_under = ndef->get(n_under);
bool cur_exists = n, under_exists = n_under;
// Mapblock current or under is not loaded, stop there
if (!n || !cur_exists || !under_exists) {
return;
}
if ((f_under.walkable || (itemgroup_get(f_under.groups, "float") &&
f_under.liquid_type == LIQUID_NONE))) {
if (f_under.leveled && f_under.name.compare(f.name) == 0) {
u8 addLevel = n.getLevel(ndef);
if (addLevel == 0) {
addLevel = n_under.getLevel(ndef);
}
if (n_under.addLevel(ndef, addLevel)) {
m_removed = true;
return;
}
}
else if (f_under.buildable_to &&
(itemgroup_get(f.groups,"float") == 0 ||
f_under.liquid_type == LIQUID_NONE)) {
m_env->removeNode(floatToInt(p_under, BS), fast);
return;
}
if (n.getContent() != CONTENT_AIR &&
(f.liquid_type == LIQUID_NONE)) {
m_env->removeNode(p);
if (!f.buildable_to) {
ItemStack stack;
std::string n_name = ndef->get(m_node).name;
stack.deSerialize(n_name);
m_env->spawnItemActiveObject(n_name, m_base_position, stack);
}
}
m_env->setNode(p, m_node, fast);
m_removed = true;
m_env->nodeUpdate(p, 2, fast);
return;
}
}
void WieldMeshSceneNode::setItem(const ItemStack &item, IGameDef *gamedef)
{
ITextureSource *tsrc = gamedef->getTextureSource();
IItemDefManager *idef = gamedef->getItemDefManager();
//IShaderSource *shdrsrc = gamedef->getShaderSource();
INodeDefManager *ndef = gamedef->getNodeDefManager();
const ItemDefinition &def = item.getDefinition(idef);
const ContentFeatures &f = ndef->get(def.name);
content_t id = ndef->getId(def.name);
#if 0
//// TODO(RealBadAngel): Reactivate when shader is added for wield items
if (m_enable_shaders) {
u32 shader_id = shdrsrc->getShader("nodes_shader", TILE_MATERIAL_BASIC, NDT_NORMAL);
m_material_type = shdrsrc->getShaderInfo(shader_id).material;
}
#endif
// If wield_image is defined, it overrides everything else
if (def.wield_image != "") {
setExtruded(def.wield_image, def.wield_scale, tsrc);
return;
}
// Handle nodes
// See also CItemDefManager::createClientCached()
else if (def.type == ITEM_NODE) {
if (f.mesh_ptr[0]) {
// e.g. mesh nodes and nodeboxes
changeToMesh(f.mesh_ptr[0]);
// mesh_ptr[0] is pre-scaled by BS * f->visual_scale
m_meshnode->setScale(
def.wield_scale * WIELD_SCALE_FACTOR
/ (BS * f.visual_scale));
} else if (f.drawtype == NDT_AIRLIKE) {
changeToMesh(NULL);
} else if (f.drawtype == NDT_PLANTLIKE) {
setExtruded(tsrc->getTextureName(f.tiles[0].texture_id), def.wield_scale, tsrc);
} else if (f.drawtype == NDT_NORMAL || f.drawtype == NDT_ALLFACES) {
setCube(f.tiles, def.wield_scale, tsrc);
} else {
Map map(gamedef);
MapDrawControl map_draw_control;
MeshMakeData mesh_make_data(gamedef, map, map_draw_control);
MapNode mesh_make_node(id, 255, 0);
mesh_make_data.fillSingleNode(&mesh_make_node);
MapBlockMesh mapblock_mesh(&mesh_make_data, v3s16(0, 0, 0));
changeToMesh(mapblock_mesh.getMesh());
translateMesh(m_meshnode->getMesh(), v3f(-BS, -BS, -BS));
m_meshnode->setScale(
def.wield_scale * WIELD_SCALE_FACTOR
/ (BS * f.visual_scale));
}
for (u32 i = 0; i < m_meshnode->getMaterialCount(); ++i) {
assert(i < 6);
video::SMaterial &material = m_meshnode->getMaterial(i);
material.setFlag(video::EMF_BACK_FACE_CULLING, true);
material.setFlag(video::EMF_BILINEAR_FILTER, m_bilinear_filter);
material.setFlag(video::EMF_TRILINEAR_FILTER, m_trilinear_filter);
bool animated = (f.tiles[i].animation_frame_count > 1);
if (animated) {
FrameSpec animation_frame = f.tiles[i].frames[0];
material.setTexture(0, animation_frame.texture);
} else {
material.setTexture(0, f.tiles[i].texture);
}
material.MaterialType = m_material_type;
#if 0
//// TODO(RealBadAngel): Reactivate when shader is added for wield items
if (m_enable_shaders) {
if (f.tiles[i].normal_texture) {
if (animated) {
FrameSpec animation_frame = f.tiles[i].frames[0];
material.setTexture(1, animation_frame.normal_texture);
} else {
material.setTexture(1, f.tiles[i].normal_texture);
}
material.setTexture(2, tsrc->getTexture("enable_img.png"));
} else {
material.setTexture(2, tsrc->getTexture("disable_img.png"));
}
}
#endif
}
return;
}
else if (def.inventory_image != "") {
setExtruded(def.inventory_image, def.wield_scale, tsrc);
return;
}
// no wield mesh found
changeToMesh(NULL);
}
