void player::mutate_category(game *g, mutation_category cat)
{
bool force_bad = one_in(3);
bool force_good = false;
if (has_trait(PF_ROBUST) && force_bad)
{
// Robust Genetics gives you a 33% chance for a good mutation,
// instead of the 33% chance of a bad one.
force_bad = false;
force_good = true;
}
// Pull the category's list for valid mutations
std::vector<pl_flag> valid;
valid = mutations_from_category(cat);
// Remove anything we already have, that we have a child of, or that
// goes against our intention of a good/bad mutation
for (int i = 0; i < valid.size(); i++)
{
if (!mutation_ok(g, valid[i], force_good, force_bad))
{
valid.erase(valid.begin() + i);
i--;
}
}
// if we can't mutate in the category do nothing
if (valid.empty()) return;
pl_flag selection = valid[ rng(0, valid.size() - 1) ]; // Pick one!
mutate_towards(g, selection);
return;
}
void player::mutate_towards(game *g, pl_flag mut)
{
if (has_child_flag(g, mut)) {
remove_child_flag(g, mut);
return;
}
bool has_prereqs = false;
std::vector<pl_flag> prereq = g->mutation_data[mut].prereqs;
std::vector<pl_flag> cancel = g->mutation_data[mut].cancels;
for (int i = 0; i < cancel.size(); i++) {
if (!has_trait( cancel[i] )) {
cancel.erase(cancel.begin() + i);
i--;
}
}
if (!cancel.empty()) {
pl_flag removed = cancel[ rng(0, cancel.size() - 1) ];
remove_mutation(g, removed);
return;
}
for (int i = 0; !has_prereqs && i < prereq.size(); i++) {
if (has_trait(prereq[i]))
has_prereqs = true;
}
if (!has_prereqs && !prereq.empty()) {
pl_flag devel = prereq[ rng(0, prereq.size() - 1) ];
mutate_towards(g, devel);
return;
}
// Check if one of the prereqs that we have TURNS INTO this one
pl_flag replacing = PF_NULL;
prereq = g->mutation_data[mut].prereqs; // Reset it
for (int i = 0; i < prereq.size(); i++) {
if (has_trait(prereq[i])) {
pl_flag pre = prereq[i];
for (int j = 0; replacing == PF_NULL &&
j < g->mutation_data[pre].replacements.size(); j++) {
if (g->mutation_data[pre].replacements[j] == mut)
replacing = pre;
}
}
}
toggle_trait(mut);
if (replacing != PF_NULL) {
g->add_msg("Your %s turns into %s!", traits[replacing].name.c_str(),
traits[mut].name.c_str());
toggle_trait(replacing);
} else
g->add_msg("You gain %s!", traits[mut].name.c_str());
mutation_effect(g, *this, mut);
// Weight us towards any categories that include this mutation
for (int i = 0; i < NUM_MUTATION_CATEGORIES; i++) {
std::vector<pl_flag> group = mutations_from_category(mutation_category(i));
bool found = false;
for (int j = 0; !found && j < group.size(); j++) {
if (group[j] == mut)
found = true;
}
if (found)
mutation_category_level[i] += 8;
else if (mutation_category_level[i] > 0 &&
!one_in(mutation_category_level[i]))
mutation_category_level[i]--;
}
}
void player::mutate(game *g)
{
bool force_bad = one_in(3); // 33% chance!
if (has_trait(PF_ROBUST) && force_bad && one_in(3))
force_bad = false; // 11% chance!
// First, see if we should ugrade/extend an existing mutation
std::vector<pl_flag> upgrades;
for (int i = 1; i < PF_MAX2; i++) {
if (has_trait(i)) {
for (int j = 0; j < g->mutation_data[i].replacements.size(); j++) {
pl_flag tmp = g->mutation_data[i].replacements[j];
if (!has_trait(tmp) && !has_child_flag(g, tmp) &&
(!force_bad || traits[tmp].points <= 0))
upgrades.push_back(tmp);
}
for (int j = 0; j < g->mutation_data[i].additions.size(); j++) {
pl_flag tmp = g->mutation_data[i].additions[j];
if (!has_trait(tmp) && !has_child_flag(g, tmp) &&
(!force_bad || traits[tmp].points <= 0))
upgrades.push_back(tmp);
}
}
}
if (upgrades.size() > 0 && rng(0, upgrades.size() + 4) < upgrades.size()) {
mutate_towards(g, upgrades[ rng(0, upgrades.size() - 1) ]);
return;
}
// Next, see if we should mutate within a given category
mutation_category cat = MUTCAT_NULL;
int total = 0, highest = 0;
for (int i = 0; i < NUM_MUTATION_CATEGORIES; i++) {
total += mutation_category_level[i];
if (mutation_category_level[i] > highest) {
cat = mutation_category(i);
highest = mutation_category_level[i];
}
}
if (rng(0, total) > highest)
cat = MUTCAT_NULL; // Not a strong enough pull, just mutate something random!
std::vector<pl_flag> valid; // Valid mutations
bool first_pass = (cat != MUTCAT_NULL);
do {
// If we tried once with a non-NULL category, and couldn't find anything valid
// there, try again with MUTCAT_NULL
if (cat != MUTCAT_NULL && !first_pass)
cat = MUTCAT_NULL;
if (cat == MUTCAT_NULL) { // Pull the full list
for (int i = 1; i < PF_MAX2; i++) {
if (g->mutation_data[i].valid)
valid.push_back( pl_flag(i) );
}
} else // Pull the category's list
valid = mutations_from_category(cat);
// Remove anything we already have, or that we have a child of, or that's
// positive and we're forcing bad
for (int i = 0; i < valid.size(); i++) {
if (has_trait(valid[i]) || has_child_flag(g, valid[i]) ||
(force_bad && traits[ valid[i] ].points > 0)) {
valid.erase(valid.begin() + i);
i--;
}
}
if (valid.empty())
first_pass = false; // So we won't repeat endlessly
} while (valid.empty() && cat != MUTCAT_NULL);
if (valid.empty())
return; // Couldn't find anything at all!
pl_flag selection = valid[ rng(0, valid.size() - 1) ]; // Pick one!
mutate_towards(g, selection);
}
void player::mutate(game *g)
{
bool force_bad = one_in(3);
bool force_good = false;
if (has_trait(PF_ROBUST) && force_bad)
{
// Robust Genetics gives you a 33% chance for a good mutation,
// instead of the 33% chance of a bad one.
force_bad = false;
force_good = true;
}
// Determine the mutation categorie
mutation_category cat = MUTCAT_NULL;
// Count up the players number of mutations in categories and find
// the category with the highest single count.
int total = 0, highest = 0;
for (int i = 0; i < NUM_MUTATION_CATEGORIES; i++)
{
total += mutation_category_level[i];
if (mutation_category_level[i] > highest)
{
cat = mutation_category(i);
highest = mutation_category_level[i];
}
}
// See if we should ugrade/extend an existing mutation...
std::vector<pl_flag> upgrades;
// ... or remove one that is not in our highest category
std::vector<pl_flag> downgrades;
// For each mutation...
for (int base_mutation_index = 1; base_mutation_index < PF_MAX2; base_mutation_index++)
{
pl_flag base_mutation = (pl_flag) base_mutation_index;
// ...that we have...
if (has_trait(base_mutation))
{
// ...consider the mutations that replace it.
for (int i = 0; i < g->mutation_data[base_mutation].replacements.size(); i++)
{
pl_flag mutation = g->mutation_data[base_mutation].replacements[i];
if (mutation_ok(g, mutation, force_good, force_bad))
{
upgrades.push_back(mutation);
}
}
// ...consider the mutations that add to it.
for (int i = 0; i < g->mutation_data[base_mutation].additions.size(); i++)
{
pl_flag mutation = g->mutation_data[base_mutation].additions[i];
if (mutation_ok(g, mutation, force_good, force_bad))
{
upgrades.push_back(mutation);
}
}
// ...consider whether its in our highest category
if( has_trait(base_mutation) && !has_base_trait(base_mutation) ){ // Starting traits don't count toward categories
std::vector<pl_flag> group = mutations_from_category(cat);
bool in_cat = false;
for (int j = 0; j < group.size(); j++)
{
if (group[j] == base_mutation)
{
in_cat = true;
break;
}
}
// mark for removal
if(!in_cat) downgrades.push_back(base_mutation);
}
}
}
// Preliminary round to either upgrade or remove existing mutations
if(one_in(2)){
if (upgrades.size() > 0)
{
// (upgrade count) chances to pick an upgrade, 4 chances to pick something else.
int roll = rng(0, upgrades.size() + 4);
if (roll < upgrades.size())
{
// We got a valid upgrade index, so use it and return.
mutate_towards(g, upgrades[roll]);
return;
}
}
}
else {
// Remove existing mutations that don't fit into our category
if (downgrades.size() > 0 && cat != MUTCAT_NULL)
{
int roll = rng(0, downgrades.size() + 4);
if (roll < downgrades.size())
{
remove_mutation(g, downgrades[roll]);
return;
}
}
}
std::vector<pl_flag> valid; // Valid mutations
bool first_pass = true;
do
{
// If we tried once with a non-NULL category, and couldn't find anything valid
// there, try again with MUTCAT_NULL
if (!first_pass)
{
cat = MUTCAT_NULL;
}
if (cat == MUTCAT_NULL)
{
// Pull the full list
for (int i = 1; i < PF_MAX2; i++)
{
if (g->mutation_data[i].valid)
{
valid.push_back( pl_flag(i) );
}
}
}
else
{
// Pull the category's list
valid = mutations_from_category(cat);
}
// Remove anything we already have, that we have a child of, or that
// goes against our intention of a good/bad mutation
for (int i = 0; i < valid.size(); i++)
{
if (!mutation_ok(g, valid[i], force_good, force_bad))
{
valid.erase(valid.begin() + i);
i--;
}
}
if (valid.empty())
{
// So we won't repeat endlessly
first_pass = false;
}
}
while (valid.empty() && cat != MUTCAT_NULL);
if (valid.empty())
{
// Couldn't find anything at all!
return;
}
pl_flag selection = valid[ rng(0, valid.size() - 1) ]; // Pick one!
mutate_towards(g, selection);
}
void player::remove_mutation(game *g, pl_flag mut)
{
// Check for dependant mutations first
std::vector<pl_flag> dependant;
for (int i = 0; i < PF_MAX2; i++)
{
for (std::vector<pl_flag>::iterator it = g->mutation_data[i].prereqs.begin();
it != g->mutation_data[i].prereqs.end(); it++)
{
if (*it == i)
{
dependant.push_back((pl_flag)i);
break;
}
}
}
if (dependant.size() != 0)
{
remove_mutation(g,dependant[rng(0,dependant.size())]);
return;
}
// Check if there's a prereq we should shrink back into
pl_flag replacing = PF_NULL;
std::vector<pl_flag> originals = g->mutation_data[mut].prereqs;
for (int i = 0; replacing == PF_NULL && i < originals.size(); i++) {
pl_flag pre = originals[i];
for (int j = 0; replacing == PF_NULL &&
j < g->mutation_data[pre].replacements.size(); j++) {
if (g->mutation_data[pre].replacements[j] == mut)
replacing = pre;
}
}
// See if this mutation is cancelled by a base trait
//Only if there's no prereq to shrink to, thus we're at the bottom of the trait line
if (replacing == PF_NULL) {
//Check each mutation until we reach the end or find a trait to revert to
for (int i = 1; replacing == PF_NULL && i < PF_MAX2; i++) {
//See if it's in our list of base traits but not active
if (has_base_trait(i) && !has_trait(i)) {
//See if that base trait cancels the mutation we are using
std::vector<pl_flag> traitcheck = g->mutation_data[i].cancels;
if (!traitcheck.empty()) {
for (int j = 0; replacing == PF_NULL && j < traitcheck.size(); j++) {
if (g->mutation_data[i].cancels[j] == mut)
replacing = ((pl_flag)i);
}
}
}
}
}
// This should revert back to a removed base trait rather than simply removing the mutation
toggle_mutation(mut);
if (replacing != PF_NULL) {
g->add_msg(_("Your %1$s mutation turns into %2$s."), traits[mut].name.c_str(),
traits[replacing].name.c_str());
toggle_mutation(replacing);
mutation_loss_effect(g, *this, mut);
mutation_effect(g, *this, replacing);
} else {
g->add_msg(_("You lose your %s mutation."), traits[mut].name.c_str());
mutation_loss_effect(g, *this, mut);
}
// Reduce the strength of the categories the removed mutation is a part of
for (int i = 0; i < NUM_MUTATION_CATEGORIES; i++) {
std::vector<pl_flag> group = mutations_from_category(mutation_category(i));
bool found = false;
for (int j = 0; !found && j < group.size(); j++) {
if (group[j] == mut)
found = true;
}
if (found) {
mutation_category_level[i] -= 8;
// If the category strength is below 0, set it to 0. We don't want negative category strength.
if (mutation_category_level[i] < 0) {
mutation_category_level[i] = 0;
}
}
}
}
