C :: Dynamic Load 3D Model From A File Located In Web Server
Feb 2, 2013
I have done a test, I have edited with the WordPad in Windows on my Local Webserver a file banana.h which contains a list of float arrays in order to extract one array and create a text file named ObjVerts.txt I have done a lot of search in the Web in order to find a small piece of code that can read the text file and convert it to a float array GLfloat, but I did not find any. I have found a lot of piece of code that read the file and make a NSData but many of the code seem to not work. It seem that the last statement return nothing!
NSURL *myurl = [NSURL URLWithString:@"http://localhost/ObjVerts.txt"];
//NSString *mystring = [NSString stringWithContentsOfURL:myurl];
NSData *mydata = [NSData dataWithContentsOfURL:myurl];
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Oct 16, 2013
Trying to read/write from a file located only in the virtual store. Having trouble loading the file in using
outputFile.open("%localappdata%virtualstoreProgram Files (x86)AGC est.txt");
and
outputFile.open("%localappdata%virtualstoreProgram Files (x86)AGC est.txt");
Although I can get it to work using:
inputFile.open("C:UsersNewlanceAppDataLocalVirtualStoreProgram Files (x86)AGCsettingsV5.cfg");
But I need it to work on other machines IE: Not Newlance.
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Sep 26, 2013
Let's say I create a small program or just want to open any kind of file on my computer, but I want to run a program that forces the user to enter a password or something (I already know this part). How does one create the code that would open the file?
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Dec 29, 2014
i have made this first level in this ascii game, and i realized that if i want to continue, i must rewrite the switch statement and write thousands of lines of code. how can i load a map from a txt file?
#include <iostream>
#include <windows.h>
using namespace std;
[Code].....
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Apr 17, 2014
I'm working on a project, and I'm trying to fill in various vectors from a given input file. The input file looks like:
<catalog>
<book id ="bk101">
<author>O'Brien, Tim</author> ....etc
My load vectors function looks like this: void load_vectors(vector<string>&id, vector<string>& author...etc)
I can't assume a limit on the number of books etc listed in this catalog, so I'm using the eof() function. However, I don't know how to write the loop to gather the correct strings and place them in the vectors.
Code: while(in.eof())
{ string text;
int index, index2;
getline(in, text);
int index = text.find("<author>");
int index2 = text.find("</author>");
a = index.lenght();
author.pushback[i] = text.substr(index + a, index2);
}
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Jan 2, 2014
I have a group assignment were we need to load sokoban levels from text file. We have loaded the file in a vector but how we can parse the file for it to be used during the game.
We read about malloc and know how to access each character from the vector, but how can we select a particular level after the user inputs an the level integer number?
E.g.
Level 6
# # #
## @#
#####
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May 12, 2013
So I am working on a FUSE filesystem and I currently have the need to load the contents of a text file into an array.
My array initialization looks like: char array[max_entries][PATH_MAX] = {NULL}
The reason I want to pass it by reference is that I want my function to return two values essentially. One a specific char* and the other an array like I initialized. My function proto type looks like:
char* load_meta(char* list[max_entries][PATH_MAX], char* path, int mode);
How I'm trying to call the function:
someChar = load_meta(&array, path_name, 1);
Within the function I try to edit the array by deferenceing it once, like this:
strcpy(*list[i], file_entry); // This seg faults
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Sep 23, 2013
This seems like a fairly straight forward assignment. Load up a file that contains a series of int values stored in ASCII and print out the ASCII characters to the console.
The problem I am having is that I am getting the numerical value of bytes ("40" for 10 numerical values, "200" for 50 values). The numbers are generated randomly by another file, but I can control how many numbers are generated. For example, if I type in:
shell% cat tempfile
the output is as follows:
/8?qE?. Y4?(T???a???%@
but when I try to run it with my program:
shell% ./intcat tempfile
the output displayed is:
40
Code:
#include <stdio.h>
#include <assert.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
int main(int argc, char *argv[]){
//check if arguments match
[Code] .....
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Oct 22, 2013
I want to:
1. Load HTML File (or take stuff from string)
2. display window with content of that html
so yeah, basically something like a browser, is there some lib that will just load html and do it for me? I dont need whole browser, I just need to show really simple html pages in my app....
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Apr 15, 2013
I am doing an exercise that reads in a text file and loads the data into a struct. My problem is it doesn't read anything from the text file. I think it's the way I'm loading the data. Oh, it does read in the first record that tells the program how many contributor records to create, but nothing after that. Here it is:
Code:
//
#include <iostream>
#include <fstream>
#include <cstdlib>
const int strsize = 30;
const int SIZE = 60;
struct contributions {
char fullname[strsize]; //name
double donation; //donation
[Code] ....
Here is the record input:
Data file:
4
Suz Stuz
55000
Froco Frock
5000
Yandi Yuck
100500
Dippy Dip
120000
9 records - each struct has two members; full name and donation. First record should be number of contributors ...
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Dec 27, 2013
Write a class called MyTriangle, which models a triangle with 3 vertices, is designed as follows. It contains:
1. The MyTriangle class uses three MyPoint instances as the three vertices.
2. Three private instance variables v1, v2, v3 (instances of MyPoint), for the three vertices.
3. A constructor that constructs a MyTriangle with three points v1=(x1, y1), v2=(x2, y2), v3=(x3, y3).
4. An overloaded constructor that constructs MyTriangle given three instances of MyPoint.
5. A toString() function that returns a string description of the instance in the format "Triangle @ (x1, y1), (x2, y2), (x3, y3)".
6. A getPerimeter() function that returns the length of the perimeter in double. You should use the distance() method of MyPoint to compute the perimeter.
7. Also write a test program (called main.cpp) to test all the functions defined in the class (example of a triangle: (-2, 1), (1, 3) and (3, -3)).
class MyTriangle {
MyPoint v1;
MyPoint v2;
MyPoint v3;
public:
MyTriangle(int x1,int y1,int x2,int y2,int x3,int y3) {
[Code] .....
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Dec 9, 2014
how to put together a basic ray tracer which can model spheres and planes. I have an example ray tracer which I am currently pulling apart and sifting through line by line to try and understand exactly how it works. I have come to a point in the code which I am having trouble explaining adequately. It's a method of the Plane class, which is a class defining the planes in the scene. The method is called findIntersection and I believe its purpose is to return the distance between the origin of the ray and the point of intersection, it looks like this
double findIntersection(Ray ray){
Vector ray_direction=ray.getDirection();
double a = ray_direction.DotProduct(normal);
if(a==0){
return -1;
}
else{
double b=normal.DotProduct(ray.getStart()+((normal*distance).Inverse()));
return -1*b/a;
}
}
The method accepts arguments of type Ray which is a class defining rays, rays are constructed from this class by supplying two vectors, a starting vector and a direction vector, the Ray class has a method function getDirection which is used in the first line of the findIntersection function which clearly just returns the direction vector. The DotProduct method being accessed belongs to the Vector class and is a standard method for finding the dot product of two vectors. "normal" is a variable of type Vector and is used in the construction of an instance of the Plane class, along with a distance from the centre of the scene and a colour. Also, in the line double b=normal.DotProduct(ray.getStart()+((normal*distance).Inverse())); the plus sign between the two vectors is an overloaded operator which adds the two vectors in the usual mathematical way, I overloaded it for neatness.
The trouble I'm having is working out what the variables a and b are doing, what they mean geometrically and how they correspond to getting the distance between ray origin and point of intersection. Clearly if the dot product of the normal with the ray equals zero then the ray is parallel to the plane and so there is no intersection but what is a's role in the return statement.
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May 2, 2013
I need to create a if else statement to check multiple model numbers (200+)... How can i build this? I basically want the user to enter their model number and if its on the list they get a approved or denied message.
So far I have this, the "if(model == 9002||1002)" doesnt seem right, it needs to basically check 200+ model numbers... am I even on the right track?
Code:
#include <iostream>
using namespace std;
int main(){
int model;
cout << "Enter model" << endl;
[Code] .....
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May 15, 2014
I'm trying to analyze Population Dynamics. I found some articles and read them but what kind of model i need to use. I tried Forest Fire model but i failed in modificating.
#include <stdio.h>
#include <stdlib.h>
#define MaxPopulation 10000
#define MaxChildren 10
#define maxAge 70
#define ranf() ((double) random()/(double)RAND_MAX)
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Feb 8, 2015
Cam is a pointer to a structure and viewpoint is a vector located within the struct. I am trying to read in from a file the coordinates for the vector. I have also tried &cam->view_point->x as well as &cam.view_point.x and it tells me that I am requesting something not in a struct
Code: count= fscanf(in,"%d %d %d", &cam->view_point.x, &cam->view_point.y,&cam->view_point.z);
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Oct 22, 2013
I hope that this isn't an elementary question to you more experienced people, but I am having some trouble with my .DLL file. I haven't ever had a problem with compiling and linking it with my main project before, but it appears now some sort of problem has started. The message that appears is :
I have no qualms with posting my .DLL source, as it is not particularly long or complex. It seems the problem functions are the last two I've added ( load_sound( ) and play_sound( ) ).
Here is what I'm linking it with :
Code:
-------------- Build: Debug in game (compiler: GNU GCC Compiler)---------------
mingw32-g++.exe -shared -Wl,--output-def=binDebuglibgame.def -Wl,--out-implib=binDebuglibgame.a -Wl,--dll -L"F:FBLARandom gamegame.dll.sourcegame" objDebugconversion.o objDebugprojectile.o objDebugSDL_utility_functions.o objDebug ime.o -o binDebuglibgame.dll -lSDL -lSDL_mixer
Creating library file: binDebuglibgame.a
Output size is 49.10 KB
Process terminated with status 0 (0 minutes, 0 seconds)
0 errors, 0 warnings (0 minutes, 0 seconds) projectile.c :
Code:
#include "game.h"
#include <stdio.h>
#include <stdlib.h>
/* ******************************************************** */
/* ********* create( ) ********* */
/* ******************************************************** */
/* - Allocates one node of type projectile on the heap, */
/* and returns its' address */
/* ******************************************************** */
[Code] ....
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Oct 23, 2013
I have these two files:
/project/protocol/guarddog/report.h
/project/protocol/sky/report.h
I have two report.h files located in two different directories. However the contents of them are different. How can I include the report.h file located in guarddog into the report.h file located in sky?
I assume just doing this would be ambiguous:
#include "report.h"
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Aug 2, 2014
I have the following:
int Allocate(int, int *);
main() {
int *Pointer;
int Elements = 25;
// this works just fine - as expected.
Pointer = (int *) malloc(Elements, sizeof(int));
// This DOES NOT - The value of Pointer never changes.....
[code]....
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Apr 14, 2013
The project is "Design and write a program to model the operation of incoming flights computer screen that is normally found at a typical small airport like Moshoeshoe I airport (if they do have one). The following provides the information that needs to be displayed about each flight:
• Airline - [string of maximum length 15] Name of the airline, eg. FlySAA
• Flight Number - [string of maximum length 5] eg. 04120
• Origin - [string of maximum length 25] Place where the flight originated from eg. Johannesburg
• Date/Time - [integers: Hour, Minute, Day, Month, Year] Arrival time of the flight
• Status - [string of maximum length 15] Whether the flight is "OnTime" or "Delayed"
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Jan 6, 2013
I'm currently programming a server which uses multiple threads- I have a class for one map in the game. Each map has a thread for timed events(tile regeneration, NPC regeneration, etc.), and a thread for handling NPCs(movement, combat, etc.). A basic structure of the class looks like this:
class Region {
public:
/* game values are here, they are public so
they can be accessed from outside of the class
inside of packet-handling functions and such */
int value;
void *Function();
[Code] ....
The program crashes when I use a member of the same class the function is located in- in the context I have shown about it would crash on "value++".
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Jul 4, 2014
I cant seem to get it to write out the correct size to the .gif file,the original is 3kb but the new one i write to finishs with 1kb.
Code:
cout << "Connected"<< endl;
std::string sendbuffer = "GET /apache_pb.gif HTTP/1.1
"
"Host: 192.168.1.4
";
// std::string buffer2 = "GET /apache_pb.gif HTTP/1.1
Host: 192.168.1.4
[Code] ......
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Oct 1, 2012
I managed to upload a file to a remote server with below code:
Code:
// Get the object used to communicate with the server.
FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://kasunl.worlditsme.com/voo.txt");
request.Method = WebRequestMethods.Ftp.UploadFile;
[Code]....
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Sep 1, 2013
I have to make a server-client file transfer using UDP . I have created a basic server which receives message sent by client . That's all. Now comes the major part :-
1. The message sent by client is the name of file
.2. Now the server checks whether there exists this file or not .
3. If there exists it sends the file to the client and it also keeps the count of the number of requests of file made by the client . Here is the Server Code
Code:
#include<sys/socket.h>
#include<arpa/inet.h>
#include<stdio.h>
#include<unistd.h>
#include<fcntl.h>
#include<sys/types.h>
#include<string.h>
}
[code]...
The server reads the data from file and writes into it and send to the client , On the other end client receive the data and make duplicate of this file and write into it. But on compiling it gives error in reading the file.
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Mar 12, 2013
I am trying to write a c code for a server that recieve msgs from a client and put that msg in a log file dedicated for that client along with the msg reception time and client IP address.......
The log file must be created if it doesn't already exist.....
Here is a code that i wnat to customize and it already opens a communication channel between server and client......
Here is my code:
#include "stdio.h"
#include "stdlib.h"
#include "sys/socket.h"
#include "sys/types.h"
#include "netinet/in.h"
#include "error.h"
[Code] ....
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Feb 27, 2013
Share ur code wit my. m working on windows n using visual studio 2008..
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Aug 6, 2014
I'm trying to upload a file to a FTP server with curl. The problem is that I do not know what to do after I enter the passive mode and open the specified port. I tried to send data with curl_easy_send but it simply hangs.
bool Ftp::Upload(const char *local_fn,const char *remote_fn)
{
int ret;
string ip;
unsigned port;
SendCmd("TYPE I");
// Enter passive mode and get IP & port
if(pasv(ip,port)==false)
return false;
[Code]...
How to send file to the server. And I also suspect I should tell the file size to the server.
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