Topics

1

General / Threading problems.

« on: September 02, 2014, 09:48:12 pm »

Ok, before you say it I am OK with C++ but when it comes to pointers, threads, multi-d arrays and other things I am noob... I know they're important but I haven't learned it as of now...

Well I am using sf::Thread not std::Thread

The problem is I am "pausing" the thread but it jut pauses the main thread!

I Will Post my code below please help .

This file is called mainScreen.cpp it represents my Main Menu.
The problem is with the thread that changes the bottom message color.
(If I call it without the sf::sleep or as not being a thread the colors just change instantaneously (obviously))

#include "mainScreen.h"
#include <SFML/Graphics.hpp>
#include <SFML/Window.hpp>
#include "variables.h"
#include "textCreator.h"
#include "Funcs.h"
#include <dos.h>
#include <SFML/System.hpp>

/*NOTE: sf::Vector2f = (width, height)*/

void changeBtmMessageTextColor(int x);
void scrollBtmMessage();

sf::RectangleShape playBTN;
sf::Text playBTNText;
sf::Texture mainMenuTexture;
sf::Sprite mainMenuImg;
sf::Text creator;
int bottomMsgColor = 1; //1 = green, 2 = yellow, 3 = red
sf::Thread scroller(&scrollBtmMessage);
sf::Thread colorScroller(&changeBtmMessageTextColor, bottomMsgColor);

void changeBtmMessageTextColor(int x) //this is the block of code with problems!
{
        if(x==1)
        {
                creator.setColor(sf::Color::Yellow);
                sf::sleep(sf::milliseconds(1500));
        }
        if(x==2)
        {
                creator.setColor(sf::Color::Red);
                sf::sleep(sf::milliseconds(1500));
        }
        if(x==3)
        {
                creator.setColor(sf::Color::Green);
                sf::sleep(sf::milliseconds(1500));
        }
        sf::sleep(sf::milliseconds(1500));
}

void scrollBtmMessage()
{
        if(creator.getPosition().x >= fullscreen.width){
                creator.setPosition(0-3500,creator.getPosition().y);
        }
        else{
                creator.setPosition(creator.getPosition().x+2,creator.getPosition().y);
        }
}

void mainScreen::drawMainScreen(sf::RenderWindow *window)
{
        isMainScreenOn=true;
        if(isMainScreenBuilt == false)
        {
                //playBTN
                playBTN.setSize(sf::Vector2f((fullscreen.width*0.35),(fullscreen.height*0.10)));  
                playBTN.setPosition((funcs::findCenterOfScreenWidth(fullscreen.width)) - ((fullscreen.width*0.35)/2),fullscreen.height*0.45);
                playBTN.setFillColor(sf::Color::White);

                //playBTNText
                //textCreator::createText(playBTNText, mainFont, sf::Color::Green, "New Game", ((fullscreen.width*0.35)/2), ((fullscreen.height*0.10)/2));
                playBTNText.setColor(sf::Color::Black);
                playBTNText.setFont(mainFont);
                playBTNText.setString("Play Game");
                playBTNText.setPosition(funcs::findCenterOfScreenWidth(fullscreen.width)-90,(fullscreen.height*0.45)+((fullscreen.height*0.10)/PI));

                //mainMenuImg
                mainMenuTexture.loadFromFile("Images\\main_menu_img.png");
                mainMenuImg.setTexture(mainMenuTexture);
                mainMenuImg.setPosition(funcs::findCenterOfScreenWidth(fullscreen.width)-(1000/2),fullscreen.height*0.05);

                //creator
                creator.setColor(sf::Color::Green);
                creator.setFont(mainFont);
                creator.setString("Made by : MW2TopTenWORLD a.k.a MW2T1999 || Subscribe me at http://www.youtube.com/mw2toptenworldmodz (Click this message to go there!) || Thank You For Purchasing my Game or whatever...");
                creator.setPosition(0, fullscreen.height-(fullscreen.height*0.05));
               

                isMainScreenBuilt = true;
        }
        window->draw(playBTN);
        window->draw(playBTNText);
        window->draw(mainMenuImg);
        window->draw(creator);
        colorScroller.launch();
        //changeBtmMessageTextColor(bottomMsgColor);
        scroller.launch();
        if(bottomMsgColor!=3){
                bottomMsgColor++;
        }else{
                bottomMsgColor=1;
        }
}
 

Please Help

2

General / setFrameRateLimit & setVirtualSyncEnabled

« on: August 26, 2014, 08:21:12 pm »

Hey, I know this is going to be very very very noobish...
but is there a way that I can do like

if(virtualsync() does not work)
{
   setframeratelimit)
}
else
{
virtualsync()
}

please

3

General / Very High CPU Usage.

« on: August 19, 2014, 12:05:23 am »

Hello, I am currently working on a game with SFML (2.1), I am using Visual C++ 2010.
Just to start my computer is not the best, maybe not even close however this is way too exagerated as all I have done so far is a little bit of the main menu and it uses 56% of the CPU... And However I can play Call of Duty : Modern Warfare 2 (which I Suppose it's heavier then a little bit of the main menu of my game...) and it only uses about 36%...

So yeah, I Do not know where the problem is... I have tried many things, I have tried not loading an intro video (I Am Using SfTheora 1.4 to do so) by removing all of the SfTheora calls and everything associated to it, I had one multi-thread call which was just scrolling text around the screen , I tried removing it as well, I tried removing a function (void) which was cycling the colors of a text, I tried commenting out the WHOLE events  code block ... I tried removing vSync, I tried using framerate limit, I tried who knows what! I went from every part of my code, changing things... NOTHING, The CPU just keeps at that level pretty much With a thing THIS small (so far) I guess it shouldn't even be on 1% CPU... MAX I would say like 4%... So... Why does it stay like that?

Please Make Any Suggestions and tell me if you need anything to help me out



Thanks