diff options
Diffstat (limited to 'src/engine/Mutation.cpp')
| -rw-r--r-- | src/engine/Mutation.cpp | 49 |
1 files changed, 31 insertions, 18 deletions
diff --git a/src/engine/Mutation.cpp b/src/engine/Mutation.cpp index 73fc0e9..e25cdbb 100644 --- a/src/engine/Mutation.cpp +++ b/src/engine/Mutation.cpp @@ -36,12 +36,14 @@ Compress::mutate(Machine& machine) //cout << "COMPRESS" << endl; // Trim disconnected nodes - for (Machine::Nodes::iterator i = machine.nodes().begin(); i != machine.nodes().end() ;) { + for (Machine::Nodes::iterator i = machine.nodes().begin(); + i != machine.nodes().end(); ) { Machine::Nodes::iterator next = i; ++next; - if ((*i)->edges().empty()) + if ((*i)->edges().empty()) { machine.remove_node(*i); + } i = next; } @@ -57,14 +59,17 @@ AddNode::mutate(Machine& machine) node->set_selector(true); SharedPtr<Node> note_node = machine.random_node(); - if (!note_node) + if (!note_node) { return; + } uint8_t note = rand() % 128; - SharedPtr<MidiAction> enter_action = PtrCast<MidiAction>(note_node->enter_action()); - if (enter_action) + SharedPtr<MidiAction> enter_action = PtrCast<MidiAction>( + note_node->enter_action()); + if (enter_action) { note = enter_action->event()[1]; + } node->set_enter_action(ActionFactory::note_on(note)); node->set_exit_action(ActionFactory::note_off(note)); @@ -72,13 +77,15 @@ AddNode::mutate(Machine& machine) // Insert after some node SharedPtr<Node> tail = machine.random_node(); - if (tail && tail != node/* && !node->connected_to(tail)*/) + if (tail && (tail != node) /* && !node->connected_to(tail)*/) { tail->add_edge(boost::shared_ptr<Edge>(new Edge(tail, node))); + } // Insert before some other node SharedPtr<Node> head = machine.random_node(); - if (head && head != node/* && !head->connected_to(node)*/) + if (head && (head != node) /* && !head->connected_to(node)*/) { node->add_edge(boost::shared_ptr<Edge>(new Edge(node, head))); + } } void @@ -87,8 +94,9 @@ RemoveNode::mutate(Machine& machine) //cout << "REMOVE NODE" << endl; SharedPtr<Node> node = machine.random_node(); - if (node && !node->is_initial()) + if (node && !node->is_initial()) { machine.remove_node(node); + } } void @@ -98,12 +106,14 @@ AdjustNode::mutate(Machine& machine) SharedPtr<Node> node = machine.random_node(); if (node) { - SharedPtr<MidiAction> enter_action = PtrCast<MidiAction>(node->enter_action()); - SharedPtr<MidiAction> exit_action = PtrCast<MidiAction>(node->exit_action()); + SharedPtr<MidiAction> enter_action = PtrCast<MidiAction>( + node->enter_action()); + SharedPtr<MidiAction> exit_action = PtrCast<MidiAction>( + node->exit_action()); if (enter_action && exit_action) { const uint8_t note = rand() % 128; enter_action->event()[1] = note; - exit_action->event()[1] = note; + exit_action->event()[1] = note; } node->set_changed(); } @@ -114,13 +124,15 @@ SwapNodes::mutate(Machine& machine) { //cout << "SWAP NODE" << endl; - if (machine.nodes().size() <= 1) + if (machine.nodes().size() <= 1) { return; + } SharedPtr<Node> a = machine.random_node(); SharedPtr<Node> b = machine.random_node(); - while (b == a) + while (b == a) { b = machine.random_node(); + } SharedPtr<MidiAction> a_enter = PtrCast<MidiAction>(a->enter_action()); SharedPtr<MidiAction> a_exit = PtrCast<MidiAction>(a->exit_action()); @@ -131,9 +143,9 @@ SwapNodes::mutate(Machine& machine) uint8_t note_b = b_enter->event()[1]; a_enter->event()[1] = note_b; - a_exit->event()[1] = note_b; + a_exit->event()[1] = note_b; b_enter->event()[1] = note_a; - b_exit->event()[1] = note_a; + b_exit->event()[1] = note_a; } void @@ -144,7 +156,8 @@ AddEdge::mutate(Machine& machine) SharedPtr<Node> tail = machine.random_node(); SharedPtr<Node> head = machine.random_node(); - if (tail && head && tail != head/* && !tail->connected_to(head) && !head->connected_to(tail)*/) { + if (tail && head && tail != head) { + // && !tail->connected_to(head) && !head->connected_to(tail) SharedPtr<Edge> edge(new Edge(tail, head)); edge->set_probability(rand() / (float)RAND_MAX); tail->add_edge(boost::shared_ptr<Edge>(new Edge(tail, head))); @@ -157,8 +170,9 @@ RemoveEdge::mutate(Machine& machine) //cout << "REMOVE EDGE" << endl; SharedPtr<Node> tail = machine.random_node(); - if (tail && !(tail->is_initial() && tail->edges().size() == 1)) + if (tail && !(tail->is_initial() && tail->edges().size() == 1)) { tail->remove_edge(tail->random_edge()); + } } void @@ -175,4 +189,3 @@ AdjustEdge::mutate(Machine& machine) } // namespace Mutation } // namespace Machina - |