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canopy.cc
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canopy.cc
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#include "canopy.h"
canopy::canopy(int width, int height, pnode *first) : width(width), height(height), first(first) {}
canopy::~canopy() {
pnode *n = first;
while(n) {
pnode *o = n->getNext();
delete n;
n = o;
}
}
void canopy::insert(plant *p, int x, int y) {
if(this->first == NULL) {
this->first = new pnode(p, x, y, NULL);
} else if(first->getPlant()->getGenePack()->getHeight() < p->getGenePack()->getHeight()) {
this->first = new pnode(p, x, y, first);
} else {
insertHelper(first, p, x, y);
}
}
void canopy::insertHelper(pnode *head, plant *p, int x, int y) {
if(head->getNext() == NULL) {
pnode *n = new pnode(p, x, y, NULL);
head->setNext(n);
} else if(head->getNext()->getPlant()->getGenePack()->getHeight() < p->getGenePack()->getHeight()) {
pnode *n = new pnode(p, x, y, head->getNext());
head->setNext(n);
} else {
insertHelper(head->getNext(), p, x, y);
}
}
bool canopy::remove(int x, int y) {
if(first == NULL) {
return false;
} else if(first->getX() == x && first->getY() == y) {
pnode *newFirst = first->getNext();
delete first;
first = newFirst;
return true;
} else {
return removeHelper(first, x, y);
}
}
bool canopy::removeHelper(pnode *head, int x, int y) {
if(head->getNext() == NULL) {
return false;
} else if(head->getNext()->getX() == x && head->getNext()->getY() == y) {
pnode *replace = head->getNext()->getNext();
delete head->getNext();
head->setNext(replace);
return true;
} else {
return removeHelper(head->getNext(), x, y);
}
}
int canopy::update() const {
int light = width*height;
bool **sunLight = new bool*[this->width];
for(int i = 0; i < this->width; ++i) {
sunLight[i] = new bool[this->height];
for(int j = 0; j < this->height; j++) {
sunLight[i][j] = true;
}
}
updateHelper(sunLight, light, this->first);
for(int i = 0; i < width; ++i) {
delete [] sunLight[i];
sunLight[i] = NULL;
}
delete [] sunLight;
sunLight = NULL;
return light;
}
void canopy::updateHelper(bool **sunLight, int light, pnode *head) const {
if(head) {
if(light == 0) {
head->getPlant()->setLight(0);
} else {
int width = (int)head->getPlant()->getGenePack()->getWidth();
int x1 = (head->getX() - width);
int y1 = (head->getY() - width);
int x2 = (head->getX() + width);
int y2 = (head->getY() + width);
x1 = (x1 <= 0) ? 0 : x1;
y1 = (y1 <= 0) ? 0 : y1;
x2 = (x2 >= this->width) ? (this->width - 1) : x2;
y2 = (y2 >= this->height) ? (this->height - 1) : y2;
int l = 0;
for(int i = x1; i <= x2; i++) {
for(int j = y1; j <= y2; j++) {
if(sunLight[i][j]) {
l++;
light--;
sunLight[i][j] = false;
}
}
}
head->getPlant()->setLight(l);
}
updateHelper(sunLight, light, head->getNext());
}
}