870 lines
23 KiB
C++
870 lines
23 KiB
C++
/*
|
|
Minetest
|
|
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>,
|
|
2012-2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License along
|
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "irr_v3d.h"
|
|
#include <stack>
|
|
#include "util/pointer.h"
|
|
#include "util/numeric.h"
|
|
#include "util/mathconstants.h"
|
|
#include "map.h"
|
|
#include "environment.h"
|
|
#include "nodedef.h"
|
|
#include "treegen.h"
|
|
|
|
namespace treegen
|
|
{
|
|
|
|
void make_tree(MMVManip &vmanip, v3s16 p0,
|
|
bool is_apple_tree, INodeDefManager *ndef, int seed)
|
|
{
|
|
/*
|
|
NOTE: Tree-placing code is currently duplicated in the engine
|
|
and in games that have saplings; both are deprecated but not
|
|
replaced yet
|
|
*/
|
|
MapNode treenode(ndef->getId("mapgen_tree"));
|
|
MapNode leavesnode(ndef->getId("mapgen_leaves"));
|
|
MapNode applenode(ndef->getId("mapgen_apple"));
|
|
|
|
PseudoRandom pr(seed);
|
|
s16 trunk_h = pr.range(4, 5);
|
|
v3s16 p1 = p0;
|
|
for (s16 ii = 0; ii < trunk_h; ii++) {
|
|
if (vmanip.m_area.contains(p1)) {
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
vmanip.m_data[vi] = treenode;
|
|
}
|
|
p1.Y++;
|
|
}
|
|
|
|
// p1 is now the last piece of the trunk
|
|
p1.Y -= 1;
|
|
|
|
VoxelArea leaves_a(v3s16(-2, -1, -2), v3s16(2, 2, 2));
|
|
//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
|
|
Buffer<u8> leaves_d(leaves_a.getVolume());
|
|
for (s32 i = 0; i < leaves_a.getVolume(); i++)
|
|
leaves_d[i] = 0;
|
|
|
|
// Force leaves at near the end of the trunk
|
|
s16 d = 1;
|
|
for (s16 z = -d; z <= d; z++)
|
|
for (s16 y = -d; y <= d; y++)
|
|
for (s16 x = -d; x <= d; x++) {
|
|
leaves_d[leaves_a.index(v3s16(x, y, z))] = 1;
|
|
}
|
|
|
|
// Add leaves randomly
|
|
for (u32 iii = 0; iii < 7; iii++) {
|
|
v3s16 p(
|
|
pr.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X - d),
|
|
pr.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y - d),
|
|
pr.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z - d)
|
|
);
|
|
|
|
for (s16 z = 0; z <= d; z++)
|
|
for (s16 y = 0; y <= d; y++)
|
|
for (s16 x = 0; x <= d; x++) {
|
|
leaves_d[leaves_a.index(p + v3s16(x, y, z))] = 1;
|
|
}
|
|
}
|
|
|
|
// Blit leaves to vmanip
|
|
for (s16 z = leaves_a.MinEdge.Z; z <= leaves_a.MaxEdge.Z; z++)
|
|
for (s16 y = leaves_a.MinEdge.Y; y <= leaves_a.MaxEdge.Y; y++) {
|
|
v3s16 pmin(leaves_a.MinEdge.X, y, z);
|
|
u32 i = leaves_a.index(pmin);
|
|
u32 vi = vmanip.m_area.index(pmin + p1);
|
|
for (s16 x = leaves_a.MinEdge.X; x <= leaves_a.MaxEdge.X; x++) {
|
|
v3s16 p(x, y, z);
|
|
if (vmanip.m_area.contains(p + p1) == true &&
|
|
(vmanip.m_data[vi].getContent() == CONTENT_AIR ||
|
|
vmanip.m_data[vi].getContent() == CONTENT_IGNORE)) {
|
|
if (leaves_d[i] == 1) {
|
|
bool is_apple = pr.range(0, 99) < 10;
|
|
if (is_apple_tree && is_apple)
|
|
vmanip.m_data[vi] = applenode;
|
|
else
|
|
vmanip.m_data[vi] = leavesnode;
|
|
}
|
|
}
|
|
vi++;
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// L-System tree LUA spawner
|
|
treegen::error spawn_ltree(ServerEnvironment *env, v3s16 p0,
|
|
INodeDefManager *ndef, TreeDef tree_definition)
|
|
{
|
|
ServerMap *map = &env->getServerMap();
|
|
std::map<v3s16, MapBlock*> modified_blocks;
|
|
MMVManip vmanip(map);
|
|
v3s16 tree_blockp = getNodeBlockPos(p0);
|
|
treegen::error e;
|
|
|
|
vmanip.initialEmerge(tree_blockp - v3s16(1, 1, 1), tree_blockp + v3s16(1, 3, 1));
|
|
e = make_ltree(vmanip, p0, ndef, tree_definition);
|
|
if (e != SUCCESS)
|
|
return e;
|
|
|
|
vmanip.blitBackAll(&modified_blocks);
|
|
|
|
// update lighting
|
|
std::map<v3s16, MapBlock*> lighting_modified_blocks;
|
|
lighting_modified_blocks.insert(modified_blocks.begin(), modified_blocks.end());
|
|
map->updateLighting(lighting_modified_blocks, modified_blocks);
|
|
// Send a MEET_OTHER event
|
|
MapEditEvent event;
|
|
event.type = MEET_OTHER;
|
|
for (std::map<v3s16, MapBlock*>::iterator
|
|
i = modified_blocks.begin();
|
|
i != modified_blocks.end(); ++i)
|
|
event.modified_blocks.insert(i->first);
|
|
map->dispatchEvent(&event);
|
|
return SUCCESS;
|
|
}
|
|
|
|
|
|
//L-System tree generator
|
|
treegen::error make_ltree(MMVManip &vmanip, v3s16 p0,
|
|
INodeDefManager *ndef, TreeDef tree_definition)
|
|
{
|
|
MapNode dirtnode(ndef->getId("mapgen_dirt"));
|
|
int seed;
|
|
if (tree_definition.explicit_seed)
|
|
seed = tree_definition.seed + 14002;
|
|
else
|
|
seed = p0.X * 2 + p0.Y * 4 + p0.Z; // use the tree position to seed PRNG
|
|
PseudoRandom ps(seed);
|
|
|
|
// chance of inserting abcd rules
|
|
double prop_a = 9;
|
|
double prop_b = 8;
|
|
double prop_c = 7;
|
|
double prop_d = 6;
|
|
|
|
//randomize tree growth level, minimum=2
|
|
s16 iterations = tree_definition.iterations;
|
|
if (tree_definition.iterations_random_level > 0)
|
|
iterations -= ps.range(0, tree_definition.iterations_random_level);
|
|
if (iterations < 2)
|
|
iterations = 2;
|
|
|
|
s16 MAX_ANGLE_OFFSET = 5;
|
|
double angle_in_radians = (double)tree_definition.angle * M_PI / 180;
|
|
double angleOffset_in_radians = (s16)(ps.range(0, 1) % MAX_ANGLE_OFFSET) * M_PI / 180;
|
|
|
|
//initialize rotation matrix, position and stacks for branches
|
|
core::matrix4 rotation;
|
|
rotation = setRotationAxisRadians(rotation, M_PI / 2, v3f(0, 0, 1));
|
|
v3f position;
|
|
position.X = p0.X;
|
|
position.Y = p0.Y;
|
|
position.Z = p0.Z;
|
|
std::stack <core::matrix4> stack_orientation;
|
|
std::stack <v3f> stack_position;
|
|
|
|
//generate axiom
|
|
std::string axiom = tree_definition.initial_axiom;
|
|
for (s16 i = 0; i < iterations; i++) {
|
|
std::string temp = "";
|
|
for (s16 j = 0; j < (s16)axiom.size(); j++) {
|
|
char axiom_char = axiom.at(j);
|
|
switch (axiom_char) {
|
|
case 'A':
|
|
temp += tree_definition.rules_a;
|
|
break;
|
|
case 'B':
|
|
temp += tree_definition.rules_b;
|
|
break;
|
|
case 'C':
|
|
temp += tree_definition.rules_c;
|
|
break;
|
|
case 'D':
|
|
temp += tree_definition.rules_d;
|
|
break;
|
|
case 'a':
|
|
if (prop_a >= ps.range(1, 10))
|
|
temp += tree_definition.rules_a;
|
|
break;
|
|
case 'b':
|
|
if (prop_b >= ps.range(1, 10))
|
|
temp += tree_definition.rules_b;
|
|
break;
|
|
case 'c':
|
|
if (prop_c >= ps.range(1, 10))
|
|
temp += tree_definition.rules_c;
|
|
break;
|
|
case 'd':
|
|
if (prop_d >= ps.range(1, 10))
|
|
temp += tree_definition.rules_d;
|
|
break;
|
|
default:
|
|
temp += axiom_char;
|
|
break;
|
|
}
|
|
}
|
|
axiom = temp;
|
|
}
|
|
|
|
//make sure tree is not floating in the air
|
|
if (tree_definition.trunk_type == "double") {
|
|
tree_node_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y - 1, position.Z),
|
|
dirtnode
|
|
);
|
|
tree_node_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y - 1, position.Z + 1),
|
|
dirtnode
|
|
);
|
|
tree_node_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y - 1, position.Z + 1),
|
|
dirtnode
|
|
);
|
|
} else if (tree_definition.trunk_type == "crossed") {
|
|
tree_node_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y - 1, position.Z),
|
|
dirtnode
|
|
);
|
|
tree_node_placement(
|
|
vmanip,
|
|
v3f(position.X - 1, position.Y - 1, position.Z),
|
|
dirtnode
|
|
);
|
|
tree_node_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y - 1, position.Z + 1),
|
|
dirtnode
|
|
);
|
|
tree_node_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y - 1, position.Z - 1),
|
|
dirtnode
|
|
);
|
|
}
|
|
|
|
/* build tree out of generated axiom
|
|
|
|
Key for Special L-System Symbols used in Axioms
|
|
|
|
G - move forward one unit with the pen up
|
|
F - move forward one unit with the pen down drawing trunks and branches
|
|
f - move forward one unit with the pen down drawing leaves (100% chance)
|
|
T - move forward one unit with the pen down drawing trunks only
|
|
R - move forward one unit with the pen down placing fruit
|
|
A - replace with rules set A
|
|
B - replace with rules set B
|
|
C - replace with rules set C
|
|
D - replace with rules set D
|
|
a - replace with rules set A, chance 90%
|
|
b - replace with rules set B, chance 80%
|
|
c - replace with rules set C, chance 70%
|
|
d - replace with rules set D, chance 60%
|
|
+ - yaw the turtle right by angle degrees
|
|
- - yaw the turtle left by angle degrees
|
|
& - pitch the turtle down by angle degrees
|
|
^ - pitch the turtle up by angle degrees
|
|
/ - roll the turtle to the right by angle degrees
|
|
* - roll the turtle to the left by angle degrees
|
|
[ - save in stack current state info
|
|
] - recover from stack state info
|
|
|
|
*/
|
|
|
|
s16 x,y,z;
|
|
for (s16 i = 0; i < (s16)axiom.size(); i++) {
|
|
char axiom_char = axiom.at(i);
|
|
core::matrix4 temp_rotation;
|
|
temp_rotation.makeIdentity();
|
|
v3f dir;
|
|
switch (axiom_char) {
|
|
case 'G':
|
|
dir = v3f(1, 0, 0);
|
|
dir = transposeMatrix(rotation, dir);
|
|
position += dir;
|
|
break;
|
|
case 'T':
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
if (tree_definition.trunk_type == "double" &&
|
|
!tree_definition.thin_branches) {
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z + 1),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y, position.Z + 1),
|
|
tree_definition
|
|
);
|
|
} else if (tree_definition.trunk_type == "crossed" &&
|
|
!tree_definition.thin_branches) {
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X - 1, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z + 1),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z - 1),
|
|
tree_definition
|
|
);
|
|
}
|
|
dir = v3f(1, 0, 0);
|
|
dir = transposeMatrix(rotation, dir);
|
|
position += dir;
|
|
break;
|
|
case 'F':
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
if ((stack_orientation.empty() &&
|
|
tree_definition.trunk_type == "double") ||
|
|
(!stack_orientation.empty() &&
|
|
tree_definition.trunk_type == "double" &&
|
|
!tree_definition.thin_branches)) {
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X +1 , position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z + 1),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y, position.Z + 1),
|
|
tree_definition
|
|
);
|
|
} else if ((stack_orientation.empty() &&
|
|
tree_definition.trunk_type == "crossed") ||
|
|
(!stack_orientation.empty() &&
|
|
tree_definition.trunk_type == "crossed" &&
|
|
!tree_definition.thin_branches)) {
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X + 1, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X - 1, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z + 1),
|
|
tree_definition
|
|
);
|
|
tree_trunk_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z - 1),
|
|
tree_definition
|
|
);
|
|
} if (stack_orientation.empty() == false) {
|
|
s16 size = 1;
|
|
for (x = -size; x <= size; x++)
|
|
for (y = -size; y <= size; y++)
|
|
for (z = -size; z <= size; z++) {
|
|
if (abs(x) == size &&
|
|
abs(y) == size &&
|
|
abs(z) == size) {
|
|
tree_leaves_placement(
|
|
vmanip,
|
|
v3f(position.X + x + 1, position.Y + y,
|
|
position.Z + z),
|
|
ps.next(),
|
|
tree_definition
|
|
);
|
|
tree_leaves_placement(
|
|
vmanip,
|
|
v3f(position.X + x - 1, position.Y + y,
|
|
position.Z + z),
|
|
ps.next(),
|
|
tree_definition
|
|
);
|
|
tree_leaves_placement(
|
|
vmanip,v3f(position.X + x, position.Y + y,
|
|
position.Z + z + 1),
|
|
ps.next(),
|
|
tree_definition
|
|
);
|
|
tree_leaves_placement(
|
|
vmanip,v3f(position.X + x, position.Y + y,
|
|
position.Z + z - 1),
|
|
ps.next(),
|
|
tree_definition
|
|
);
|
|
}
|
|
}
|
|
}
|
|
dir = v3f(1, 0, 0);
|
|
dir = transposeMatrix(rotation, dir);
|
|
position += dir;
|
|
break;
|
|
case 'f':
|
|
tree_single_leaves_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z),
|
|
ps.next(),
|
|
tree_definition
|
|
);
|
|
dir = v3f(1, 0, 0);
|
|
dir = transposeMatrix(rotation, dir);
|
|
position += dir;
|
|
break;
|
|
case 'R':
|
|
tree_fruit_placement(
|
|
vmanip,
|
|
v3f(position.X, position.Y, position.Z),
|
|
tree_definition
|
|
);
|
|
dir = v3f(1, 0, 0);
|
|
dir = transposeMatrix(rotation, dir);
|
|
position += dir;
|
|
break;
|
|
|
|
// turtle orientation commands
|
|
case '[':
|
|
stack_orientation.push(rotation);
|
|
stack_position.push(position);
|
|
break;
|
|
case ']':
|
|
if (stack_orientation.empty())
|
|
return UNBALANCED_BRACKETS;
|
|
rotation = stack_orientation.top();
|
|
stack_orientation.pop();
|
|
position = stack_position.top();
|
|
stack_position.pop();
|
|
break;
|
|
case '+':
|
|
temp_rotation.makeIdentity();
|
|
temp_rotation = setRotationAxisRadians(temp_rotation,
|
|
angle_in_radians + angleOffset_in_radians, v3f(0, 0, 1));
|
|
rotation *= temp_rotation;
|
|
break;
|
|
case '-':
|
|
temp_rotation.makeIdentity();
|
|
temp_rotation = setRotationAxisRadians(temp_rotation,
|
|
angle_in_radians + angleOffset_in_radians, v3f(0, 0, -1));
|
|
rotation *= temp_rotation;
|
|
break;
|
|
case '&':
|
|
temp_rotation.makeIdentity();
|
|
temp_rotation = setRotationAxisRadians(temp_rotation,
|
|
angle_in_radians + angleOffset_in_radians, v3f(0, 1, 0));
|
|
rotation *= temp_rotation;
|
|
break;
|
|
case '^':
|
|
temp_rotation.makeIdentity();
|
|
temp_rotation = setRotationAxisRadians(temp_rotation,
|
|
angle_in_radians + angleOffset_in_radians, v3f(0, -1, 0));
|
|
rotation *= temp_rotation;
|
|
break;
|
|
case '*':
|
|
temp_rotation.makeIdentity();
|
|
temp_rotation = setRotationAxisRadians(temp_rotation,
|
|
angle_in_radians, v3f(1, 0, 0));
|
|
rotation *= temp_rotation;
|
|
break;
|
|
case '/':
|
|
temp_rotation.makeIdentity();
|
|
temp_rotation = setRotationAxisRadians(temp_rotation,
|
|
angle_in_radians, v3f(-1, 0, 0));
|
|
rotation *= temp_rotation;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
|
|
void tree_node_placement(MMVManip &vmanip, v3f p0, MapNode node)
|
|
{
|
|
v3s16 p1 = v3s16(myround(p0.X), myround(p0.Y), myround(p0.Z));
|
|
if (vmanip.m_area.contains(p1) == false)
|
|
return;
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
if (vmanip.m_data[vi].getContent() != CONTENT_AIR
|
|
&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
|
|
return;
|
|
vmanip.m_data[vmanip.m_area.index(p1)] = node;
|
|
}
|
|
|
|
|
|
void tree_trunk_placement(MMVManip &vmanip, v3f p0, TreeDef &tree_definition)
|
|
{
|
|
v3s16 p1 = v3s16(myround(p0.X), myround(p0.Y), myround(p0.Z));
|
|
if (vmanip.m_area.contains(p1) == false)
|
|
return;
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
if (vmanip.m_data[vi].getContent() != CONTENT_AIR
|
|
&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
|
|
return;
|
|
vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.trunknode;
|
|
}
|
|
|
|
|
|
void tree_leaves_placement(MMVManip &vmanip, v3f p0,
|
|
PseudoRandom ps, TreeDef &tree_definition)
|
|
{
|
|
MapNode leavesnode = tree_definition.leavesnode;
|
|
if (ps.range(1, 100) > 100 - tree_definition.leaves2_chance)
|
|
leavesnode = tree_definition.leaves2node;
|
|
v3s16 p1 = v3s16(myround(p0.X), myround(p0.Y), myround(p0.Z));
|
|
if (vmanip.m_area.contains(p1) == false)
|
|
return;
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
if (vmanip.m_data[vi].getContent() != CONTENT_AIR
|
|
&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
|
|
return;
|
|
if (tree_definition.fruit_chance > 0) {
|
|
if (ps.range(1, 100) > 100 - tree_definition.fruit_chance)
|
|
vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.fruitnode;
|
|
else
|
|
vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode;
|
|
} else if (ps.range(1, 100) > 20) {
|
|
vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode;
|
|
}
|
|
}
|
|
|
|
|
|
void tree_single_leaves_placement(MMVManip &vmanip, v3f p0,
|
|
PseudoRandom ps, TreeDef &tree_definition)
|
|
{
|
|
MapNode leavesnode = tree_definition.leavesnode;
|
|
if (ps.range(1, 100) > 100 - tree_definition.leaves2_chance)
|
|
leavesnode = tree_definition.leaves2node;
|
|
v3s16 p1 = v3s16(myround(p0.X), myround(p0.Y), myround(p0.Z));
|
|
if (vmanip.m_area.contains(p1) == false)
|
|
return;
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
if (vmanip.m_data[vi].getContent() != CONTENT_AIR
|
|
&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
|
|
return;
|
|
vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode;
|
|
}
|
|
|
|
|
|
void tree_fruit_placement(MMVManip &vmanip, v3f p0, TreeDef &tree_definition)
|
|
{
|
|
v3s16 p1 = v3s16(myround(p0.X), myround(p0.Y), myround(p0.Z));
|
|
if (vmanip.m_area.contains(p1) == false)
|
|
return;
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
if (vmanip.m_data[vi].getContent() != CONTENT_AIR
|
|
&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
|
|
return;
|
|
vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.fruitnode;
|
|
}
|
|
|
|
|
|
irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis)
|
|
{
|
|
double c = cos(angle);
|
|
double s = sin(angle);
|
|
double t = 1.0 - c;
|
|
|
|
double tx = t * axis.X;
|
|
double ty = t * axis.Y;
|
|
double tz = t * axis.Z;
|
|
double sx = s * axis.X;
|
|
double sy = s * axis.Y;
|
|
double sz = s * axis.Z;
|
|
|
|
M[0] = tx * axis.X + c;
|
|
M[1] = tx * axis.Y + sz;
|
|
M[2] = tx * axis.Z - sy;
|
|
|
|
M[4] = ty * axis.X - sz;
|
|
M[5] = ty * axis.Y + c;
|
|
M[6] = ty * axis.Z + sx;
|
|
|
|
M[8] = tz * axis.X + sy;
|
|
M[9] = tz * axis.Y - sx;
|
|
M[10] = tz * axis.Z + c;
|
|
return M;
|
|
}
|
|
|
|
|
|
v3f transposeMatrix(irr::core::matrix4 M, v3f v)
|
|
{
|
|
v3f translated;
|
|
double x = M[0] * v.X + M[4] * v.Y + M[8] * v.Z +M[12];
|
|
double y = M[1] * v.X + M[5] * v.Y + M[9] * v.Z +M[13];
|
|
double z = M[2] * v.X + M[6] * v.Y + M[10] * v.Z +M[14];
|
|
translated.X = x;
|
|
translated.Y = y;
|
|
translated.Z = z;
|
|
return translated;
|
|
}
|
|
|
|
|
|
void make_jungletree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, int seed)
|
|
{
|
|
/*
|
|
NOTE: Tree-placing code is currently duplicated in the engine
|
|
and in games that have saplings; both are deprecated but not
|
|
replaced yet
|
|
*/
|
|
content_t c_tree = ndef->getId("mapgen_jungletree");
|
|
content_t c_leaves = ndef->getId("mapgen_jungleleaves");
|
|
if (c_tree == CONTENT_IGNORE)
|
|
c_tree = ndef->getId("mapgen_tree");
|
|
if (c_leaves == CONTENT_IGNORE)
|
|
c_leaves = ndef->getId("mapgen_leaves");
|
|
|
|
MapNode treenode(c_tree);
|
|
MapNode leavesnode(c_leaves);
|
|
|
|
PseudoRandom pr(seed);
|
|
for (s16 x= -1; x <= 1; x++)
|
|
for (s16 z= -1; z <= 1; z++) {
|
|
if (pr.range(0, 2) == 0)
|
|
continue;
|
|
v3s16 p1 = p0 + v3s16(x, 0, z);
|
|
v3s16 p2 = p0 + v3s16(x, -1, z);
|
|
u32 vi1 = vmanip.m_area.index(p1);
|
|
u32 vi2 = vmanip.m_area.index(p2);
|
|
|
|
if (vmanip.m_area.contains(p2) &&
|
|
vmanip.m_data[vi2].getContent() == CONTENT_AIR)
|
|
vmanip.m_data[vi2] = treenode;
|
|
else if (vmanip.m_area.contains(p1) &&
|
|
vmanip.m_data[vi1].getContent() == CONTENT_AIR)
|
|
vmanip.m_data[vi1] = treenode;
|
|
}
|
|
vmanip.m_data[vmanip.m_area.index(p0)] = treenode;
|
|
|
|
s16 trunk_h = pr.range(8, 12);
|
|
v3s16 p1 = p0;
|
|
for (s16 ii = 0; ii < trunk_h; ii++) {
|
|
if (vmanip.m_area.contains(p1)) {
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
vmanip.m_data[vi] = treenode;
|
|
}
|
|
p1.Y++;
|
|
}
|
|
|
|
// p1 is now the last piece of the trunk
|
|
p1.Y -= 1;
|
|
|
|
VoxelArea leaves_a(v3s16(-3, -2, -3), v3s16(3, 2, 3));
|
|
//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
|
|
Buffer<u8> leaves_d(leaves_a.getVolume());
|
|
for (s32 i = 0; i < leaves_a.getVolume(); i++)
|
|
leaves_d[i] = 0;
|
|
|
|
// Force leaves at near the end of the trunk
|
|
s16 d = 1;
|
|
for (s16 z = -d; z <= d; z++)
|
|
for (s16 y = -d; y <= d; y++)
|
|
for (s16 x = -d; x <= d; x++) {
|
|
leaves_d[leaves_a.index(v3s16(x,y,z))] = 1;
|
|
}
|
|
|
|
// Add leaves randomly
|
|
for (u32 iii = 0; iii < 30; iii++) {
|
|
v3s16 p(
|
|
pr.range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X - d),
|
|
pr.range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y - d),
|
|
pr.range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z - d)
|
|
);
|
|
|
|
for (s16 z = 0; z <= d; z++)
|
|
for (s16 y = 0; y <= d; y++)
|
|
for (s16 x = 0; x <= d; x++) {
|
|
leaves_d[leaves_a.index(p + v3s16(x, y, z))] = 1;
|
|
}
|
|
}
|
|
|
|
// Blit leaves to vmanip
|
|
for (s16 z = leaves_a.MinEdge.Z; z <= leaves_a.MaxEdge.Z; z++)
|
|
for (s16 y = leaves_a.MinEdge.Y; y <= leaves_a.MaxEdge.Y; y++) {
|
|
v3s16 pmin(leaves_a.MinEdge.X, y, z);
|
|
u32 i = leaves_a.index(pmin);
|
|
u32 vi = vmanip.m_area.index(pmin + p1);
|
|
for (s16 x = leaves_a.MinEdge.X; x <= leaves_a.MaxEdge.X; x++) {
|
|
v3s16 p(x, y, z);
|
|
if (vmanip.m_area.contains(p + p1) == true &&
|
|
(vmanip.m_data[vi].getContent() == CONTENT_AIR ||
|
|
vmanip.m_data[vi].getContent() == CONTENT_IGNORE)) {
|
|
if (leaves_d[i] == 1)
|
|
vmanip.m_data[vi] = leavesnode;
|
|
}
|
|
vi++;
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void make_pine_tree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, int seed)
|
|
{
|
|
/*
|
|
NOTE: Tree-placing code is currently duplicated in the engine
|
|
and in games that have saplings; both are deprecated but not
|
|
replaced yet
|
|
*/
|
|
MapNode treenode(ndef->getId("mapgen_pinetree"));
|
|
MapNode leavesnode(ndef->getId("mapgen_pine_needles"));
|
|
MapNode snownode(ndef->getId("mapgen_snow"));
|
|
|
|
PseudoRandom pr(seed);
|
|
s16 trunk_h = pr.range(9, 13);
|
|
v3s16 p1 = p0;
|
|
for (s16 ii = 0; ii < trunk_h; ii++) {
|
|
if (vmanip.m_area.contains(p1)) {
|
|
u32 vi = vmanip.m_area.index(p1);
|
|
vmanip.m_data[vi] = treenode;
|
|
}
|
|
p1.Y++;
|
|
}
|
|
|
|
// Make p1 the top node of the trunk
|
|
p1.Y -= 1;
|
|
|
|
VoxelArea leaves_a(v3s16(-3, -6, -3), v3s16(3, 3, 3));
|
|
//SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
|
|
Buffer<u8> leaves_d(leaves_a.getVolume());
|
|
for (s32 i = 0; i < leaves_a.getVolume(); i++)
|
|
leaves_d[i] = 0;
|
|
|
|
// Upper branches
|
|
s16 dev = 3;
|
|
for (s16 yy = -1; yy <= 1; yy++) {
|
|
for (s16 zz = -dev; zz <= dev; zz++) {
|
|
u32 i = leaves_a.index(v3s16(-dev, yy, zz));
|
|
u32 ia = leaves_a.index(v3s16(-dev, yy+1, zz));
|
|
for (s16 xx = -dev; xx <= dev; xx++) {
|
|
if (pr.range(0, 20) <= 19 - dev) {
|
|
leaves_d[i] = 1;
|
|
leaves_d[ia] = 2;
|
|
}
|
|
i++;
|
|
ia++;
|
|
}
|
|
}
|
|
dev--;
|
|
}
|
|
|
|
// Centre top nodes
|
|
u32 i = leaves_a.index(v3s16(0, 1, 0));
|
|
leaves_d[i] = 1;
|
|
i = leaves_a.index(v3s16(0, 2, 0));
|
|
leaves_d[i] = 1;
|
|
i = leaves_a.index(v3s16(0, 3, 0));
|
|
leaves_d[i] = 2;
|
|
|
|
// Lower branches
|
|
s16 my = -6;
|
|
for (u32 iii = 0; iii < 20; iii++) {
|
|
s16 xi = pr.range(-3, 2);
|
|
s16 yy = pr.range(-6, -5);
|
|
s16 zi = pr.range(-3, 2);
|
|
if (yy > my)
|
|
my = yy;
|
|
for (s16 zz = zi; zz <= zi + 1; zz++) {
|
|
u32 i = leaves_a.index(v3s16(xi, yy, zz));
|
|
u32 ia = leaves_a.index(v3s16(xi, yy + 1, zz));
|
|
for (s16 xx = xi; xx <= xi + 1; xx++) {
|
|
leaves_d[i] = 1;
|
|
if (leaves_d[ia] == 0)
|
|
leaves_d[ia] = 2;
|
|
i++;
|
|
ia++;
|
|
}
|
|
}
|
|
}
|
|
|
|
dev = 2;
|
|
for (s16 yy = my + 1; yy <= my + 2; yy++) {
|
|
for (s16 zz = -dev; zz <= dev; zz++) {
|
|
u32 i = leaves_a.index(v3s16(-dev, yy, zz));
|
|
u32 ia = leaves_a.index(v3s16(-dev, yy + 1, zz));
|
|
for (s16 xx = -dev; xx <= dev; xx++) {
|
|
if (pr.range(0, 20) <= 19 - dev) {
|
|
leaves_d[i] = 1;
|
|
leaves_d[ia] = 2;
|
|
}
|
|
i++;
|
|
ia++;
|
|
}
|
|
}
|
|
dev--;
|
|
}
|
|
|
|
// Blit leaves to vmanip
|
|
for (s16 z = leaves_a.MinEdge.Z; z <= leaves_a.MaxEdge.Z; z++)
|
|
for (s16 y = leaves_a.MinEdge.Y; y <= leaves_a.MaxEdge.Y; y++) {
|
|
v3s16 pmin(leaves_a.MinEdge.X, y, z);
|
|
u32 i = leaves_a.index(pmin);
|
|
u32 vi = vmanip.m_area.index(pmin + p1);
|
|
for (s16 x = leaves_a.MinEdge.X; x <= leaves_a.MaxEdge.X; x++) {
|
|
v3s16 p(x, y, z);
|
|
if (vmanip.m_area.contains(p + p1) == true &&
|
|
(vmanip.m_data[vi].getContent() == CONTENT_AIR ||
|
|
vmanip.m_data[vi].getContent() == CONTENT_IGNORE ||
|
|
vmanip.m_data[vi] == snownode)) {
|
|
if (leaves_d[i] == 1)
|
|
vmanip.m_data[vi] = leavesnode;
|
|
else if (leaves_d[i] == 2)
|
|
vmanip.m_data[vi] = snownode;
|
|
}
|
|
vi++;
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
|
|
}; // namespace treegen
|