Mirrorlandia_minetest/minetest
1
0
Fork 1
mirror of https://github.com/minetest/minetest.git synced 2024-11-27 10:03:45 +01:00
Code Issues Packages Projects Releases Wiki Activity

Optimize map generator for the dynamic content ids a bit

Browse Source
This commit is contained in:
Perttu Ahola 2011-11-19 18:48:09 +02:00
parent 4503b03b26
commit 901d98b687
3 changed files with 57 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
src/mapgen.cpp
View File

@ -1641,7 +1641,27 @@ void make_block(BlockMakeData *data)
maxpos_f.X, maxpos_f.Y+5, maxpos_f.Z,
sl.X, sl.Y, sl.Z);
}
/*
Cache some ground type values for speed
*/
// Creates variables c_name=id and n_name=node
#define CONTENT_VARIABLE(ndef, name)\
content_t c_##name = ndef->getId(#name);\
MapNode n_##name(c_##name);
CONTENT_VARIABLE(ndef, stone);
CONTENT_VARIABLE(ndef, water_source);
CONTENT_VARIABLE(ndef, air);
CONTENT_VARIABLE(ndef, dirt);
CONTENT_VARIABLE(ndef, sand);
CONTENT_VARIABLE(ndef, gravel);
CONTENT_VARIABLE(ndef, lava_source);
CONTENT_VARIABLE(ndef, cobble);
CONTENT_VARIABLE(ndef, mossycobble);
CONTENT_VARIABLE(ndef, dirt_with_grass);
/*
Make base ground level
*/
@ -1667,14 +1687,14 @@ void make_block(BlockMakeData *data)
v3s16(x,y,z), data->seed) == false)
{
if(y <= WATER_LEVEL)
vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_WATERSOURCE"));
vmanip.m_data[i] = n_water_source;
else
vmanip.m_data[i] = MapNode(CONTENT_AIR);
vmanip.m_data[i] = n_air;
}
else if(noisebuf_cave.get(x,y,z) > CAVE_NOISE_THRESHOLD)
vmanip.m_data[i] = MapNode(CONTENT_AIR);
vmanip.m_data[i] = n_air;
else
vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_STONE"));
vmanip.m_data[i] = n_stone;
}
data->vmanip->m_area.add_y(em, i, 1);
@ -1703,7 +1723,7 @@ void make_block(BlockMakeData *data)
{
v3s16 p = v3s16(x,y,z) + g_27dirs[i];
u32 vi = vmanip.m_area.index(p);
if(vmanip.m_data[vi].getContent() == LEGN(ndef, "CONTENT_STONE"))
if(vmanip.m_data[vi].getContent() == c_stone)
if(mineralrandom.next()%8 == 0)
vmanip.m_data[vi] = MapNode(LEGN(ndef, "CONTENT_MESE"));
}
@ -1781,7 +1801,7 @@ void make_block(BlockMakeData *data)
{
v3s16 p = v3s16(x,y,z) + g_27dirs[i];
u32 vi = vmanip.m_area.index(p);
if(vmanip.m_data[vi].getContent() == LEGN(ndef, "CONTENT_STONE"))
if(vmanip.m_data[vi].getContent() == c_stone)
if(mineralrandom.next()%8 == 0)
vmanip.m_data[vi] = MapNode(LEGN(ndef, "CONTENT_STONE"), MINERAL_COAL);
}
@ -1807,7 +1827,7 @@ void make_block(BlockMakeData *data)
{
v3s16 p = v3s16(x,y,z) + g_27dirs[i];
u32 vi = vmanip.m_area.index(p);
if(vmanip.m_data[vi].getContent() == LEGN(ndef, "CONTENT_STONE"))
if(vmanip.m_data[vi].getContent() == c_stone)
if(mineralrandom.next()%8 == 0)
vmanip.m_data[vi] = MapNode(LEGN(ndef, "CONTENT_STONE"), MINERAL_IRON);
}
@ -1830,24 +1850,24 @@ void make_block(BlockMakeData *data)
u32 i = vmanip.m_area.index(v3s16(p2d.X, node_max.Y, p2d.Y));
for(s16 y=node_max.Y; y>=node_min.Y; y--)
{
if(vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_STONE"))
if(vmanip.m_data[i].getContent() == c_stone)
{
if(noisebuf_ground_crumbleness.get(x,y,z) > 1.3)
{
if(noisebuf_ground_wetness.get(x,y,z) > 0.0)
vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_MUD"));
vmanip.m_data[i] = n_dirt;
else
vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_SAND"));
vmanip.m_data[i] = n_sand;
}
else if(noisebuf_ground_crumbleness.get(x,y,z) > 0.7)
{
if(noisebuf_ground_wetness.get(x,y,z) < -0.6)
vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_GRAVEL"));
vmanip.m_data[i] = n_gravel;
}
else if(noisebuf_ground_crumbleness.get(x,y,z) <
-3.0 + MYMIN(0.1 * sqrt((float)MYMAX(0, -y)), 1.5))
{
vmanip.m_data[i] = MapNode(LEGN(ndef, "CONTENT_LAVASOURCE"));
vmanip.m_data[i] = n_lava_source;
for(s16 x1=-1; x1<=1; x1++)
for(s16 y1=-1; y1<=1; y1++)
for(s16 z1=-1; z1<=1; z1++)
@ -1894,7 +1914,7 @@ void make_block(BlockMakeData *data)
{
if(vmanip.m_data[i].getContent() == CONTENT_AIR)
vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE;
else if(vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_WATERSOURCE"))
else if(vmanip.m_data[i].getContent() == c_water_source)
vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON_PRESERVE;
data->vmanip->m_area.add_y(em, i, -1);
}
@ -1925,11 +1945,11 @@ void make_block(BlockMakeData *data)
double d = noise3d_perlin((float)x/2.5,
(float)y/2.5,(float)z/2.5,
blockseed, 2, 1.4);
if(vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_COBBLE"))
if(vmanip.m_data[i].getContent() == c_cobble)
{
if(d < wetness/3.0)
{
vmanip.m_data[i].setContent(LEGN(ndef, "CONTENT_MOSSYCOBBLE"));
vmanip.m_data[i].setContent(c_mossycobble);
}
}
/*else if(vmanip.m_flags[i] & VMANIP_FLAG_DUNGEON_INSIDE)
@ -1972,7 +1992,7 @@ void make_block(BlockMakeData *data)
{
if(water_found == false)
{
if(vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_WATERSOURCE"))
if(vmanip.m_data[i].getContent() == c_water_source)
{
v3s16 p = v3s16(p2d.X, y, p2d.Y);
data->transforming_liquid.push_back(p);
@ -1984,7 +2004,7 @@ void make_block(BlockMakeData *data)
// This can be done because water_found can only
// turn to true and end up here after going through
// a single block.
if(vmanip.m_data[i+1].getContent() != LEGN(ndef, "CONTENT_WATERSOURCE"))
if(vmanip.m_data[i+1].getContent() != c_water_source)
{
v3s16 p = v3s16(p2d.X, y+1, p2d.Y);
data->transforming_liquid.push_back(p);
@ -2027,16 +2047,16 @@ void make_block(BlockMakeData *data)
u32 i = vmanip.m_area.index(v3s16(p2d.X, start_y, p2d.Y));
for(s16 y=start_y; y>=node_min.Y-3; y--)
{
if(vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_WATERSOURCE"))
if(vmanip.m_data[i].getContent() == c_water_source)
water_detected = true;
if(vmanip.m_data[i].getContent() == CONTENT_AIR)
air_detected = true;
if((vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_STONE")
|| vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_GRASS")
|| vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_MUD")
|| vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_SAND")
|| vmanip.m_data[i].getContent() == LEGN(ndef, "CONTENT_GRAVEL")
if((vmanip.m_data[i].getContent() == c_stone
|| vmanip.m_data[i].getContent() == c_dirt_with_grass
|| vmanip.m_data[i].getContent() == c_dirt
|| vmanip.m_data[i].getContent() == c_sand
|| vmanip.m_data[i].getContent() == c_gravel
) && (air_detected || water_detected))
{
if(current_depth == 0 && y <= WATER_LEVEL+2
@ -2127,7 +2147,7 @@ void make_block(BlockMakeData *data)
{
u32 i = data->vmanip->m_area.index(p);
MapNode *n = &data->vmanip->m_data[i];
if(n->getContent() != CONTENT_AIR && n->getContent() != LEGN(ndef, "CONTENT_WATERSOURCE") && n->getContent() != CONTENT_IGNORE)
if(n->getContent() != CONTENT_AIR && n->getContent() != c_water_source && n->getContent() != CONTENT_IGNORE)
{
found = true;
break;
@ -2141,17 +2161,17 @@ void make_block(BlockMakeData *data)
u32 i = data->vmanip->m_area.index(p);
MapNode *n = &data->vmanip->m_data[i];
if(n->getContent() != LEGN(ndef, "CONTENT_MUD") && n->getContent() != LEGN(ndef, "CONTENT_GRASS") && n->getContent() != LEGN(ndef, "CONTENT_SAND"))
if(n->getContent() != c_dirt && n->getContent() != c_dirt_with_grass && n->getContent() != c_sand)
continue;
// Papyrus grows only on mud and in water
if(n->getContent() == LEGN(ndef, "CONTENT_MUD") && y <= WATER_LEVEL)
if(n->getContent() == c_dirt && y <= WATER_LEVEL)
{
p.Y++;
make_papyrus(vmanip, p, ndef);
}
// Trees grow only on mud and grass, on land
else if((n->getContent() == LEGN(ndef, "CONTENT_MUD") || n->getContent() == LEGN(ndef, "CONTENT_GRASS")) && y > WATER_LEVEL + 2)
else if((n->getContent() == c_dirt || n->getContent() == LEGN(ndef, "CONTENT_GRASS")) && y > WATER_LEVEL + 2)
{
p.Y++;
//if(surface_humidity_2d(data->seed, v2s16(x, y)) < 0.5)
@ -2170,7 +2190,7 @@ void make_block(BlockMakeData *data)
make_jungletree(vmanip, p, ndef);
}
// Cactii grow only on sand, on land
else if(n->getContent() == LEGN(ndef, "CONTENT_SAND") && y > WATER_LEVEL + 2)
else if(n->getContent() == c_sand && y > WATER_LEVEL + 2)
{
p.Y++;
make_cactus(vmanip, p, ndef);

6
src/nodedef.cpp
View File

@ -406,6 +406,12 @@ public:
{
return m_name_id_mapping.getId(name, result);
}
virtual content_t getId(const std::string &name) const
{
content_t id = CONTENT_IGNORE;
getId(name, id);
return id;
}
virtual const ContentFeatures& get(const std::string &name) const
{
content_t id = CONTENT_IGNORE;

2
src/nodedef.h
View File

@ -254,6 +254,7 @@ public:
virtual const ContentFeatures& get(content_t c) const=0;
virtual const ContentFeatures& get(const MapNode &n) const=0;
virtual bool getId(const std::string &name, content_t &result) const=0;
virtual content_t getId(const std::string &name) const=0;
virtual const ContentFeatures& get(const std::string &name) const=0;
virtual void serialize(std::ostream &os)=0;
@ -269,6 +270,7 @@ public:
virtual const ContentFeatures& get(content_t c) const=0;
virtual const ContentFeatures& get(const MapNode &n) const=0;
virtual bool getId(const std::string &name, content_t &result) const=0;
virtual content_t getId(const std::string &name) const=0;
// If not found, returns the features of CONTENT_IGNORE
virtual const ContentFeatures& get(const std::string &name) const=0;