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blackmorpheus
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Posts: 159
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 Posted: Sat Nov 15, 2008 6:13 am Post subject: [Solved] Windowed mode coordinates of screen |
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The game i play is ran in windowed mode, and it only uses OpenGL mode in windowed mode.
I have the following code for my crosshair:
| Code: | POINT mouse;
GetCursorPos(&mouse);
ScreenToClient(hWnd, &mouse);
GLfloat winX, winY;
winX = (float)mouse.x;
winY= (float)mouse.y;
glBegin(GL_LINES);
glVertex2f(winX -5, winY);
glVertex2f(winX +5, winY);
glVertex2f(winX, winY -5);
glVertex2f(winX, winY +5);
glEnd();
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It works fine, but somehow when my window isnt exactly in the upper left corner, the crosshair will be not exactly where i want it to be.
How can i fix that? Is there some kind of Windows function that reads the upperleft coordinates of a window ?
Ill give a screenshot
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Last edited by blackmorpheus on Sat Nov 15, 2008 1:09 pm; edited 2 times in total |
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Xeleron
Grandmaster Cheater
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Joined: 05 Jan 2008
Posts: 652
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| Posted: Sat Nov 15, 2008 6:16 am Post subject: Re: little problem.. |
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| blackmorpheus wrote: | The game i play is ran in windowed mode, and it only uses OpenGL mode in windowed mode.
I have the following code for my crosshair:
| Code: | POINT mouse;
GetCursorPos(&mouse);
ScreenToClient(hWnd, &mouse);
GLfloat winX, winY;
winX = (float)mouse.x;
winY= (float)mouse.y;
glBegin(GL_LINES);
glVertex2f(winX -5, winY);
glVertex2f(winX +5, winY);
glVertex2f(winX, winY -5);
glVertex2f(winX, winY +5);
glEnd();
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It works fine, but somehow when my window isnt exactly in the upper left corner, the crosshair will be not exactly where i want it to be.
How can i fix that?
Ill give a screenshot |
Is this a flash Game ?
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blackmorpheus
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Posts: 159
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| Posted: Sat Nov 15, 2008 6:26 am Post subject: |
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| no, its a normal game.
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Xeleron
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| Posted: Sat Nov 15, 2008 6:32 am Post subject: |
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| blackmorpheus wrote: | | no, its a normal game. |
sorry , i can't help then . i only can hack some flash game's ^^
good luck!
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btw Hitler, Shave your pubic hair
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GMZorita
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| Posted: Sat Nov 15, 2008 6:57 am Post subject: |
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Oh my bad, I'm sorry....
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Gone
Last edited by GMZorita on Sat Nov 15, 2008 7:07 am; edited 1 time in total |
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blackmorpheus
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Posts: 159
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| Posted: Sat Nov 15, 2008 7:03 am Post subject: |
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I am trying to hack, this is not my own game..
I hooked some OpenGL functions..
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Innovation
Grandmaster Cheater
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Posts: 617
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| Posted: Sat Nov 15, 2008 8:26 am Post subject: |
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Try this:
| Code: | HANDLE hWindow = FindWindow(NULL, _T("Unreal Software's Counter-Strike 2D"));
GetWindowRect(hWindow, &Window_Coordinates);
OffsetRect(&Window_Coordinates, Window_Coordinates.X, Window_Coordinates.Y);
POINT Mouse_Coordinates;
GetCursorPos(&Mouse_Coordinates);
ScreenToClient(hWindow, &Mouse_Coordinates);
GLfloat Mouse_X = (float)(Mouse_Coordinates.x += Window_Coordinates.X);
GLfloat Mouse_Y = (float)(Mouse_Coordinates.y += Window_Coordinates.Y);
glBegin(GL_LINES);
glVertex2f(Mouse_X - 5, Mouse_Y);
glVertex2f(Mouse_X + 5, Mouse_Y);
glVertex2f(Mouse_X, Mouse_Y - 5);
glVertex2f(Mouse_X, Mouse_Y + 5);
glEnd(); |
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tombana
Master Cheater
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Posts: 456
Location: The Netherlands
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| Posted: Sat Nov 15, 2008 9:15 am Post subject: |
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Or just remove the ScreenToClient() and see what happens....
EDIT: Oh no sorry... I didn't look at the code correctly.
Last edited by tombana on Sat Nov 15, 2008 11:00 am; edited 1 time in total |
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blackmorpheus
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Posts: 159
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| Posted: Sat Nov 15, 2008 10:01 am Post subject: |
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tnx all, i found the answer 
i didnt put HWND hWnd = FindWindow(blalbala) inside my crosshair loop 
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--Pillboi--
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Posts: 1383
Location: I don't understand the question. Is this a 1 to 10 thing?
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| Posted: Sun Nov 16, 2008 3:17 am Post subject: |
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Why constantly retrieve the hwnd?
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SXGuy
I post too much
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Posts: 3551
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| Posted: Sun Nov 16, 2008 6:39 am Post subject: |
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| just get a handle then call the loop, no need to loop getting the handle.
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blackmorpheus
Expert Cheater
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Posts: 159
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| Posted: Sun Nov 16, 2008 7:01 am Post subject: |
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Made my crosshair red
| Code: |
void sys_glEnable (GLenum cap)
{
if(crosshair)
{
HWND hWnd = FindWindow(NULL, "Unreal Software's Counter-Strike 2D");
POINT mouse;
GetCursorPos(&mouse);
ScreenToClient(hWnd, &mouse);
GLfloat winX = (float)(mouse.x);
GLfloat winY = (float)(mouse.y);
float color[4];
glGetFloatv(GL_CURRENT_COLOR, color);
glBegin(GL_LINES);
glColor3ub(255,0,0);
glVertex2f(winX -5, winY);
glVertex2f(winX +5, winY);
glVertex2f(winX, winY -5);
glVertex2f(winX, winY +5);
glEnd();
glColor4f(color[0],color[1],color[2],color[3]);
}
(*orig_glEnable) (cap);
}
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Where should i place the HWND hWnd = FindWindow() then?
Remember i'm rewriting opengl32 functions 
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Spawnfestis
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Posts: 1746
Location: Pakistan
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| Posted: Sun Nov 16, 2008 7:17 am Post subject: |
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| blackmorpheus wrote: | Made my crosshair red
| Code: |
void sys_glEnable (GLenum cap)
{
if(crosshair)
{
HWND hWnd = FindWindow(NULL, "Unreal Software's Counter-Strike 2D");
POINT mouse;
GetCursorPos(&mouse);
ScreenToClient(hWnd, &mouse);
GLfloat winX = (float)(mouse.x);
GLfloat winY = (float)(mouse.y);
float color[4];
glGetFloatv(GL_CURRENT_COLOR, color);
glBegin(GL_LINES);
glColor3ub(255,0,0);
glVertex2f(winX -5, winY);
glVertex2f(winX +5, winY);
glVertex2f(winX, winY -5);
glVertex2f(winX, winY +5);
glEnd();
glColor4f(color[0],color[1],color[2],color[3]);
}
(*orig_glEnable) (cap);
}
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Where should i place the HWND hWnd = FindWindow() then?
Remember i'm rewriting opengl32 functions |
Above the loop, inside the constructor.
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blackmorpheus
Expert Cheater
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Posts: 159
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| Posted: Mon Nov 17, 2008 1:44 pm Post subject: |
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| that wouldn't matter because this function glEnable is called many times.
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tombana
Master Cheater
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Joined: 14 Jun 2007
Posts: 456
Location: The Netherlands
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| Posted: Tue Nov 18, 2008 8:06 am Post subject: |
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| Well thats the point: if you call it many times, you should make it fast. So if you remove the FindWindow, it'll be faster. And the window handle won't change, so once you have the hWnd, you don't need to get it again.
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