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AoC2022_Day7
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Finally, test input matches up

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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
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sigonasr2 2 years ago
parent 771136df8e
commit fe8044562a
4 changed files with 1194 additions and 76 deletions
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  1. BIN
      C++ProjectTemplate
  2. 1031
      input
  3. 216
      main.cpp
  4. 23
      testinput

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C++ProjectTemplate
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input
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main.cpp
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#include "olcutils.h"
using namespace olc;
class Example : public olc::PixelGameEngine
{
public:
Example()
{
sAppName = "Example";
}
public:
bool RayVsRect(const vf2d ray_origin, const vf2d ray_dir, const olc::utils::geom2d::rect<float> target, vf2d&contact_point, vf2d&contact_normal, float&t_hit_near){
contact_normal = { 0, 0 };
contact_point = { 0, 0 };
vf2d t_near = {(target.pos.x - ray_origin.x) / ray_dir.x, (target.pos.y - ray_origin.y) / ray_dir.y};
vf2d t_far = {(target.pos.x + target.size.x - ray_origin.x) / ray_dir.x, (target.pos.y + target.size.y - ray_origin.y) / ray_dir.y};
if (t_near.x > t_far.x) {float b; b = t_near.x; t_near.x = t_far.x; t_far.x = b;};
if (t_near.y > t_far.y) {float b; b = t_near.y; t_near.y = t_far.y; t_far.y = b;};
if (t_near.x > t_far.y || t_near.y > t_far.x) return false;
t_hit_near = fmax(t_near.x, t_near.y);
float t_hit_far = fmin(t_far.x, t_far.y);
if (t_hit_far < 0) return false;
contact_point.x = ray_origin.x + t_hit_near * ray_dir.x;
contact_point.y = ray_origin.y + t_hit_near * ray_dir.y;
if (t_near.x > t_near.y)
if ( 1.0f / ray_dir.x < 0)
contact_normal = { 1, 0 };
else
contact_normal = { -1, 0};
else
if ( t_near.x < t_near.y)
if ( 1.0f / ray_dir.y < 0)
contact_normal = { 0, 1 };
else
contact_normal = { 0, -1 };
return true;
}
vf2d originPoint={16,16};
bool OnUserCreate() override
{
// Called once at the start, so create things here
return true;
}
bool OnUserUpdate(float fElapsedTime) override
{
vf2d velocity={(GetKey(D).bHeld-GetKey(A).bHeld)*20*fElapsedTime,(GetKey(S).bHeld-GetKey(W).bHeld)*20*fElapsedTime};
vf2d contact_point;
vf2d contact_normal;
float t_hit_near;
Clear(Pixel(64,64,255));
if (!olc::utils::geom2d::overlaps(olc::utils::geom2d::circle<float>{originPoint+velocity,5},olc::utils::geom2d::rect<float>{{32,32},{64,32}})) {
originPoint+=velocity;
DrawCircle(originPoint,5);
} else {
DrawCircle(originPoint,5,RED);
}
DrawLine(originPoint,GetMousePos());
DrawRect({32,32},{64,32},RayVsRect(originPoint, GetMousePos()-originPoint, olc::utils::geom2d::rect<float>{{32,32},{64,32}},contact_point,contact_normal,t_hit_near)&&t_hit_near<1?YELLOW:WHITE);
return true;
}
std::ifstream file("testinput");
std::map<std::string,int> filedata;
std::string pwd;
std::string tempstr;
class File{
public:
std::map<std::string,File> files;
int size;
};
int DisplayContents(File&f,std::string path,int filter,int*filtersum){
std::cout<<" Contents of "<<path<<"(Size "<<f.size<<"): "<<std::endl;
int sum=0;
for (std::map<std::string,File>::iterator it=f.files.begin();it!=f.files.end();it++){
int amt=DisplayContents(it->second,(path=="/")?path+it->first:path+"/"+it->first,filter,filtersum);
sum+=amt;
}
if (sum<=filter){
*filtersum+=sum;
}
std::cout<<" Size of "<<path<<": "<<sum<<std::endl;
return sum+f.size;
}
int main()
{
Example demo;
if (demo.Construct(128, 120, 8, 8))
demo.Start();
File rootFile{{},0};
while (file.good()||tempstr.length()>0){
std::string line;
if (tempstr.length()!=0){
line=tempstr;
tempstr="";
} else {
std::getline(file,line);
}
//std::cout<<line<<std::endl;
if (line[0]=='$'){
//Command.
std::string command=line.substr(line.find_first_of(' ')+1,2);
std::string arg=line.substr(line.find_last_of(' ')+1,std::string::npos);
std::cout<<"Command "<<command<<" w/arg "<<arg<<std::endl;
if (command=="cd"){
if (arg==".."){
pwd=pwd.substr(0,pwd.find_last_of('/'));
} else
if (arg=="/"){
pwd="/";
} else {
if (pwd=="/"){
pwd+=arg;
} else {
pwd+="/"+arg;
}
}
std::cout<<"New directory is "<<pwd<<std::endl;
} else {
//It's ls.
while (file.good()) {
std::getline(file,line);
if (line[0]=='$'){
tempstr=line;
break; //It's now a command again.
}
std::string data1=line.substr(0,line.find_first_of(' '));
std::string filename=line.substr(line.find_first_of(' ')+1,std::string::npos);
std::cout<<"ls part 1: "<<data1<<"// Filename:"<<filename<<std::endl;
if (data1=="dir"){
std::string navigator;
if (pwd=="/") {
navigator=pwd+filename;
} else {
navigator=pwd+"/"+filename;
}
std::cout<<" Navigator starts at "<<navigator<<std::endl;
File*filer=&rootFile;
while(navigator!=filename){
std::string dir=navigator.substr(0,navigator.find_first_of('/'));
if (dir.length()==0){
navigator=navigator.substr(navigator.find_first_of('/')+1,std::string::npos);
continue;
}
if (filer->files.find(dir)==filer->files.end()){
//Does not exist. Create.
filer->files[dir]=File();
std::cout<<"Created "<<dir<<". Size: "<<filer->files.size()<<std::endl;
filer=&filer->files[dir];
}else{
filer=&filer->files[dir];
}
navigator=navigator.substr(navigator.find_first_of('/')+1,std::string::npos);
std::cout<<" Navigator is now at "<<navigator<<std::endl;
}
//Create this directory too.
if (filer->files.find(navigator)==filer->files.end()){
//Does not exist. Create.
filer->files[navigator]=File();
std::cout<<"Created "<<navigator<<". Size: "<<filer->files.size()<<std::endl;
filer=&filer->files[navigator];
}else{
filer=&filer->files[navigator];
}
} else
if (data1.length()>0&&data1!="dir"){
int size=std::atoi(line.substr(0,line.find_first_of(' ')).c_str());
std::string filename=line.substr(line.find_first_of(' ')+1,std::string::npos);
File*filer=&rootFile;
std::string navigator;
if (pwd=="/") {
navigator=pwd+filename;
} else {
navigator=pwd+"/"+filename;
}
std::cout<<" Navigator starts at "<<navigator<<std::endl;
while(navigator!=filename){
std::string dir=navigator.substr(0,navigator.find_first_of('/'));
if (dir.length()==0){
navigator=navigator.substr(navigator.find_first_of('/')+1,std::string::npos);
continue;
}
if (filer->files.find(dir)==filer->files.end()){
//Does not exist. Create.
filer->files[dir]=File();
std::cout<<"Created "<<dir<<". Size: "<<filer->files.size()<<std::endl;
filer=&filer->files[dir];
}else{
filer=&filer->files[dir];
}
navigator=navigator.substr(navigator.find_first_of('/')+1,std::string::npos);
std::cout<<" Navigator is now at "<<navigator<<std::endl;
}
//This file gets its size set.
filer->files[navigator]=File();
std::cout<<"Created "<<navigator<<". Size: "<<filer->files.size()<<std::endl;
filer->files[navigator].size=size;
}
}
std::cout<<"end ls"<<std::endl;
}
}
std::cout<<line<<std::endl;
}
int sum=0;
DisplayContents(rootFile,"/",100000,&sum);
std::cout<<"Sum: "<<sum<<std::endl;
return 0;
}

23
testinput
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$ cd /
$ ls
dir a
14848514 b.txt
8504156 c.dat
dir d
$ cd a
$ ls
dir e
29116 f
2557 g
62596 h.lst
$ cd e
$ ls
584 i
$ cd ..
$ cd ..
$ cd d
$ ls
4060174 j
8033020 d.log
5626152 d.ext
7214296 k
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