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-rw-r--r--src/treegen.cpp756
1 files changed, 491 insertions, 265 deletions
diff --git a/src/treegen.cpp b/src/treegen.cpp
index 5c95b250e..1c915ca39 100644
--- a/src/treegen.cpp
+++ b/src/treegen.cpp
@@ -45,80 +45,75 @@ void make_tree(MMVManip &vmanip, v3s16 p0,
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))
- if(ii == 0 || vmanip.getNodeNoExNoEmerge(p1).getContent() == CONTENT_AIR)
- vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
+ 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));
+ 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++)
+ 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;
- }
+ 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++)
- {
- s16 d = 1;
-
+ 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)
+ 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;
+ 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++)
- for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++)
- {
- v3s16 p(x,y,z);
- p += p1;
- if(vmanip.m_area.contains(p) == false)
- continue;
- u32 vi = vmanip.m_area.index(p);
- if(vmanip.m_data[vi].getContent() != CONTENT_AIR
- && vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
- continue;
- u32 i = leaves_a.index(x,y,z);
- 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;
+ 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)
+treegen::error spawn_ltree(ServerEnvironment *env, v3s16 p0,
+ INodeDefManager *ndef, TreeDef tree_definition)
{
ServerMap *map = &env->getServerMap();
std::map<v3s16, MapBlock*> modified_blocks;
@@ -126,8 +121,8 @@ treegen::error spawn_ltree(ServerEnvironment *env, v3s16 p0, INodeDefManager *nd
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);
+ 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;
@@ -140,30 +135,25 @@ treegen::error spawn_ltree(ServerEnvironment *env, v3s16 p0, INodeDefManager *nd
// 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)
- {
+ 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)
+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;
- }
+ seed = tree_definition.seed + 14002;
else
- {
- seed = p0.X*2 + p0.Y*4 + p0.Z; // use the tree position to seed PRNG
- }
+ seed = p0.X * 2 + p0.Y * 4 + p0.Z; // use the tree position to seed PRNG
PseudoRandom ps(seed);
// chance of inserting abcd rules
@@ -174,18 +164,18 @@ treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef,
//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;
+ 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;
+ 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));
+ rotation = setRotationAxisRadians(rotation, M_PI / 2, v3f(0, 0, 1));
v3f position;
position.X = p0.X;
position.Y = p0.Y;
@@ -195,63 +185,85 @@ treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef,
//generate axiom
std::string axiom = tree_definition.initial_axiom;
- for(s16 i=0; i<iterations; i++)
- {
+ for (s16 i = 0; i < iterations; i++) {
std::string temp = "";
- for(s16 j=0; j<(s16)axiom.size(); j++)
- {
+ for (s16 j = 0; j < (s16)axiom.size(); j++) {
char axiom_char = axiom.at(j);
- switch (axiom_char)
- {
+ switch (axiom_char) {
case 'A':
- temp+=tree_definition.rules_a;
+ temp += tree_definition.rules_a;
break;
case 'B':
- temp+=tree_definition.rules_b;
+ temp += tree_definition.rules_b;
break;
case 'C':
- temp+=tree_definition.rules_c;
+ temp += tree_definition.rules_c;
break;
case 'D':
- temp+=tree_definition.rules_d;
+ temp += tree_definition.rules_d;
break;
case 'a':
- if (prop_a >= ps.range(1,10))
- temp+=tree_definition.rules_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;
+ 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;
+ 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;
+ if (prop_d >= ps.range(1, 10))
+ temp += tree_definition.rules_d;
break;
default:
- temp+=axiom_char;
+ temp += axiom_char;
break;
}
}
- axiom=temp;
+ 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);
+ 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
@@ -283,84 +295,179 @@ treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef,
*/
s16 x,y,z;
- for(s16 i=0; i<(s16)axiom.size(); i++)
- {
+ 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)
- {
+ switch (axiom_char) {
case 'G':
- dir = v3f(1,0,0);
- dir = transposeMatrix(rotation,dir);
- position+=dir;
+ 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);
+ 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;
+ 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)
- {
+ 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);
- }
+ 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;
+ 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;
+ 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;
+ 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
@@ -371,40 +478,46 @@ treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef,
case ']':
if (stack_orientation.empty())
return UNBALANCED_BRACKETS;
- rotation=stack_orientation.top();
+ rotation = stack_orientation.top();
stack_orientation.pop();
- position=stack_position.top();
+ 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;
+ 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;
+ 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;
+ 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;
+ 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;
+ 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;
+ temp_rotation = setRotationAxisRadians(temp_rotation,
+ angle_in_radians, v3f(-1, 0, 0));
+ rotation *= temp_rotation;
break;
default:
break;
@@ -414,85 +527,87 @@ treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef,
return SUCCESS;
}
-void tree_node_placement(MMVManip &vmanip, v3f p0,
- MapNode node)
+
+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)
+ 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
+ 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)
+
+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)
+ 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
+ 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)
+ 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)
+ 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
+ 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)
+ 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)
+ } 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)
+ 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)
+ 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)
+
+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)
+ 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)
+ 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);
@@ -520,20 +635,21 @@ irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3
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;
+ translated.X = x;
+ translated.Y = y;
+ translated.Z = z;
return translated;
}
-void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
- INodeDefManager *ndef, int seed)
+
+void make_jungletree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef, int seed)
{
/*
NOTE: Tree-placing code is currently duplicated in the engine
@@ -551,18 +667,17 @@ void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
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)
+ 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);
+ 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].getContent() == CONTENT_AIR)
vmanip.m_data[vi2] = treenode;
else if (vmanip.m_area.contains(p1) &&
vmanip.m_data[vi1].getContent() == CONTENT_AIR)
@@ -572,12 +687,10 @@ void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
s16 trunk_h = pr.range(8, 12);
v3s16 p1 = p0;
- for (s16 ii=0; ii<trunk_h; ii++)
- {
+ for (s16 ii = 0; ii < trunk_h; ii++) {
if (vmanip.m_area.contains(p1)) {
u32 vi = vmanip.m_area.index(p1);
- if (vmanip.m_data[vi].getContent() == CONTENT_AIR)
- vmanip.m_data[vi] = treenode;
+ vmanip.m_data[vi] = treenode;
}
p1.Y++;
}
@@ -585,58 +698,171 @@ void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
// p1 is now the last piece of the trunk
p1.Y -= 1;
- VoxelArea leaves_a(v3s16(-3,-2,-3), v3s16(3,2,3));
+ 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++)
+ 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;
- }
+ 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++)
- {
- s16 d = 1;
-
+ 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)
+ 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;
+ 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++)
- for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++)
- {
- v3s16 p(x,y,z);
- p += p1;
- if(vmanip.m_area.contains(p) == false)
- continue;
- u32 vi = vmanip.m_area.index(p);
- if (vmanip.m_data[vi].getContent() != CONTENT_AIR &&
- vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
- continue;
- u32 i = leaves_a.index(x,y,z);
- if(leaves_d[i] == 1)
- vmanip.m_data[vi] = leavesnode;
+ 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++;
+ }
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 08:33:16 +0000