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Hello everyone! 
OK, I posted a question 1 or 2 days ago about this... I already solved that problem, but now I'm facing another one!
The problem is that the maps don't load up correctly... Here's the ObjectType enumeration:
enum ObjectType<br />
{<br />
LX_EMPTY,<br />
<br />
L1_GRASS,<br />
<br />
L2_ROCK,<br />
<br />
L3_TELEPORTER,<br />
};
Here's some previous declarations needed to understand the troublesome methods:
<br />
#define WIDTH 512<br />
<br />
#define HEIGHT 384<br />
<br />
#define CHARW 32<br />
<br />
#define CHARH 32<br />
<br />
SDL_Surface ** mapLayerTiles;<br />
<br />
ObjectType mapLayers[3][WIDTH*HEIGHT];<br />
<br />
SDL_Surface * screen;<br />
Here's the method that loads the map layers:
void Mazzee::GetMapInfo(std::string map)<br />
{<br />
FILE * f[3] = {<br />
fopen((map + ".ml1").c_str(), "rt"), <br />
fopen((map + ".ml2").c_str(), "rt"), <br />
fopen((map + ".ml3").c_str(), "rt")<br />
};<br />
<br />
<br />
for (int x = 0; x < 3; x++)<br />
{<br />
if (f[x] == NULL)<br />
exit(1);<br />
}<br />
<br />
<br />
for (int x = 0; x < 3; x++)<br />
{<br />
int p = 0;<br />
while (p < (WIDTH/32)*(HEIGHT/32))<br />
{<br />
<br />
if (feof(f[x]))<br />
return;<br />
<br />
char v = fgetc(f[x]);<br />
<br />
<br />
switch (v)<br />
{<br />
case '.':<br />
this->mapLayers[x][p] = LX_EMPTY;<br />
++p;<br />
break;<br />
<br />
case '|':<br />
this->mapLayers[x][p] = L1_GRASS;<br />
++p;<br />
break;<br />
<br />
case 'o':<br />
this->mapLayers[x][p] = L2_ROCK;<br />
++p;<br />
break;<br />
<br />
case 'T':<br />
this->mapLayers[x][p] = L3_TELEPORTER;<br />
++p;<br />
break;<br />
<br />
<br />
}<br />
}<br />
<br />
<br />
fclose(f[x]);<br />
}<br />
}
And here's the method that displays the map on the screen:
void Mazzee::DrawMap()<br />
{<br />
for (int x = 0; x < (WIDTH); x += CHARW)<br />
{<br />
for (int y = 0; y < (HEIGHT); y += CHARH)<br />
{<br />
for (int v = 0; v < 3; v++)<br />
{<br />
SDL_Rect src, dest;<br />
<br />
if (v == 0)<br />
{<br />
if (this->mapLayers[v][(x/32)*(y/32)] == LX_EMPTY) src.x = 0;<br />
else if (this->mapLayers[v][(x/32)*(y/32)] == L1_GRASS) src.x = 32;<br />
}<br />
else if (v == 1)<br />
{<br />
if (this->mapLayers[v][(x/32)*(y/32)] == LX_EMPTY) src.x = 0;<br />
else if (this->mapLayers[v][(x/32)*(y/32)] == L2_ROCK) src.x = 32;<br />
}<br />
else if (v == 2)<br />
{<br />
if (this->mapLayers[v][(x/32)*(y/32)] == LX_EMPTY) src.x = 0;<br />
else if (this->mapLayers[v][(x/32)*(y/32)] == L3_TELEPORTER) src.x = 32;<br />
}<br />
<br />
src.y = 0;<br />
src.h = CHARH;<br />
src.w = CHARW;<br />
<br />
dest.x = x;<br />
dest.y = y;<br />
dest.h = CHARH;<br />
dest.w = CHARW;<br />
<br />
SDL_BlitSurface(this->mapLayerTiles[v], &src, this->screen, &dest);<br />
}<br />
}<br />
}<br />
}
Here's the map files:
<br />
map1.ml1:<br />
...............<br />
...............<br />
...|...........<br />
...............<br />
...............<br />
...............<br />
...............<br />
.........|.....<br />
...|...........<br />
...............<br />
...............<br />
...............<br />
<br />
map1.ml2:<br />
o.............o<br />
...............<br />
...............<br />
...............<br />
..............<br />
...............<br />
...............<br />
...............<br />
...............<br />
...............<br />
...............<br />
o.............o<br />
<br />
map1.ml3:<br />
...............<br />
...............<br />
..T............<br />
...............<br />
...............<br />
...............<br />
...............<br />
...............<br />
...............<br />
...............<br />
............T..<br />
...............<br />
Sorry for making it long...  Thanks! 
Lord Kixdemp
www.SulfurMidis.com
www.SulfurSoft.tk
[ftp://][http://][hotline://]tsfc.ath.cx
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Hi all!
I used the Chris Maunder's Systray code to implement a systray with a popup menu, but i can't figure how to set a subitem checked!
I used the SetMenuItemChecked but it failed!!
I cant go on with this!! And i can't use Chris' classes with these stuffs too because they are for Mfc projects (mine is not mfc) !!
HELP ME PLEASE!!!  (
---
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You mean putting ON_UPDATE_COMMAND_UI as a switched case of the main dialog msg?
Like this?
case WM_INITDIALOG:
{
....
break;
}
case ON_UPDATE_COMMAND_UI:
{
//What to do here??
break;
}
---
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Hi,
How can i find the selected row and read the cell values with mouse click event using the MS DataGrid v6 ActiveX Control ?
Regardsm
sdancer75
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Hi all
Can any one post a sample source code for counting the number of children excluding the grand children in a particular node in a Tree
Lovekesh
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If I understand your question correctly you want to count the immediate children of a node. If this is the case code like this should do it:
UINT Count = 0;
HTREEITEM hItem = m_Tree.GetChildItem(hRootItem);
while (hItem != NULL)
{
++Count;
HTREEITEM hNextItem = m_Tree.GetNextSiblingItem(hItem);
}
NOTE: I haven't actually tried this! Assumes you're using MFC (although it is easily adaptable if you're not).
Steve
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Hi steven
the above code is not working
the while loop is iterating continously and it is not at all terminating
can u suggest me why it is happening
-- modified at 9:57 Saturday 28th January, 2006
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Oops, it should look like this:
UINT Count = 0;
HTREEITEM hItem = m_Tree.GetChildItem(hRootItem);
while (hItem != NULL)
{
++Count;
hItem = m_Tree.GetNextSiblingItem(hItem);
}
Steve
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Hi stephen
I ve written another code for my problem it works for me
but if i want to retreive the child including its children
and to retreive parent of a child
how the code willbe look like
-- modified at 4:13 Sunday 29th January, 2006
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I want a MDI app withOUT a menu, any menu.
With a SDI all I have to do is override PreCreateWindow() as follows:
BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
cs.hMenu = NULL; // no menu
return CFrameWnd::PreCreateWindow(cs);
}
This will not work for MDI (vs. SDI). Any ideas?
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In the app after mainframe creation
m_poMainFrame->SetMenu(NULL);
In a custom CMdiClient intercept and eat
ON_MESSAGE(WM_MDISETMENU , OnMDISetMenu )
ON_MESSAGE(WM_MDIREFRESHMENU, OnMDIRefreshMenu)
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HI joey Bloggs!
thank you for your reply!
i add the SetMenu(NULL).it works!@thank you very much,
but still has problems..
I add the micros to the ChildFrame as you metioned manually(there isn't WM_MDISETMENU message in my class wizard of VC6)as follow:
in the childfrm.cpp:
BEGIN_MESSAGE_MAP(CChildFrame, CMDIChildWnd)
ON_MESSAGE(WM_MDISETMENU , OnMDISetMenu )
ON_MESSAGE(WM_MDIREFRESHMENU, OnMDIRefreshMenu)
END_MESSAGE_MAP()
and int the childfrm.h i add :
afx_msg void OnMDIRefreshMenu();
afx_msg void OnMDISetMenu();
but int the functions OnMDISetMenu() and OnMDIRefreshMenu(),it can't receive the message WM_MDISETMENU and WM_MDIREFRESHMENU!
could you explain it detailedly?
thanks a lot!
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It's not ChildFrame it's MDIClient that you need to customise
class CMdiClient : public CWnd<br />
{<br />
.<br />
.<br />
.<br />
afx_msg LRESULT OnMDIMaximize (WPARAM wParam, LPARAM lParam);<br />
afx_msg LRESULT OnMDIRestore (WPARAM wParam, LPARAM lParam);<br />
afx_msg LRESULT OnMDISetMenu (WPARAM wParam, LPARAM lParam);<br />
afx_msg LRESULT OnMDIRefreshMenu(WPARAM wParam, LPARAM lParam);<br />
}
Then make CMdiClient a member of MainFrame and subclass it in the create
int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)<br />
{<br />
if (CMDIFrameWnd::OnCreate(lpCreateStruct) == -1)<br />
{ <br />
return -1;<br />
}<br />
<br />
if (!m_oMdiClient.SubclassWindow(m_hWndMDIClient))<br />
{<br />
MYTRACE(_T("Failed to subclass MDI client window\n"));<br />
return -1;
}<br />
-- modified at 1:53 Tuesday 11th April, 2006
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Hai,
I am struggling, not able to put IStream object into IDataObject.Here is the code snippet.I get error at set data line as Access Violation.Pls help me
LPDATAOBJECT pDO ;
FORMATETC fmtetc = {0};
fmtetc.cfFormat = CF_TEXT;
fmtetc.dwAspect = DVASPECT_CONTENT;
fmtetc.lindex = -1;
fmtetc.tymed = TYMED_ISTREAM;
fmtetc.ptd = NULL;
//STGMEDIUM definition
STGMEDIUM medium = {TYMED_ISTREAM,NULL,NULL};
medium.tymed = TYMED_ISTREAM;
medium.pstm->AddRef();
//error in this line during execution
pDO->SetData(&fmtetc,&medium,TRUE);
Saravana Kumar
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saravana pandy wrote: STGMEDIUM medium = {TYMED_ISTREAM,NULL,NULL};
medium.tymed = TYMED_ISTREAM;
medium.pstm->AddRef();
Where is pstm set - It should be a pointer to a stream. I would think this code would crash when you call AddRef as you're calling it on a NULL pointer.
Steve
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Yes the progam crashes at that point.
How to set the pointer to the Stream.
If i give the pointer to the stream it throws error as
'initializing' : cannot convert from 'struct IStream' to 'struct HBITMAP__ *'
I just give like this:
LPSTREAM lpStream = NULL;
.
.//Write some data into stream
.
STGMEDIUM medium = {TYMED_ISTREAM,lpStream,NULL};
medium.pstm = lpStream;
Saravana Kumar
-- modified at 7:23 Saturday 28th January, 2006
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Here's how I'd do it:
STGMEDIUM medium;
medium.tymed = TYMED_ISTREAM;
medium.u.pstm = lpStream;
lpStream->AddRef();
medium.pUnkForRelease = NULL;
Steve
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Hai stephen,
Thanks for reply.
Wht is that medium.u.pstm?
I dnt get any thing called medium.u
Instead i set value as
medium.pstm = lpStream
lpStream->AddRef();
It gives me the same exception as access violation at
LPDATAOBJECT pDO;
FORMATETC fmtetc = {0};
fmtetc.cfFormat = CF_TEXT;
fmtetc.dwAspect = DVASPECT_CONTENT;
fmtetc.lindex = -1;
fmtetc.tymed = TYMED_ISTREAM;
fmtetc.ptd = NULL;
//Access violation exception 0xC0000005
pDO->SetData(&fmtetc,&medium,TRUE);
Can u please point out where i am going wrong?
Thanks for ur help.
Saravana Kumar
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Did you NULL out "pUnkForRelease" and set "tymed" like in the code below?
STGMEDIUM medium;<br />
medium.tymed = TYMED_ISTREAM;<br />
medium.pstm = lpStream;<br />
lpStream->AddRef();<br />
medium.pUnkForRelease = NULL;<br />
Steve
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Yes.Here is the code part using IDataObject:
LPDATAOBJECT pDO;
//FORMATETC definition
FORMATETC fmtetc = {0};
fmtetc.cfFormat = CF_TEXT;
fmtetc.dwAspect = DVASPECT_CONTENT;
fmtetc.lindex = -1;
fmtetc.tymed = TYMED_ISTREAM;
fmtetc.ptd = NULL;
//STGMEDIUM definition
STGMEDIUM medium ;
medium.tymed =TYMED_ISTREAM;
medium.pstm = lpStream;
lpStream->AddRef();
medium.pUnkForRelease = NULL;
pDO->SetData(&fmtetc,&medium,TRUE);
Is there any thing i have to add before setdata()?
Saravana Kumar
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I can't see anything obviously wrong here. Can you send the machine code around the instruction that is causing the crash and a stack trace?
Steve
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i have to give a presentation on any rescent trends in IT... can anyone suggest a good title... thanks-V.G
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"Beauty & the Beast" (lucrative but dangerous)
"Earn like kings & live like Queens" (more salary, posh living)
"Respected Career" (b4 only docs & engrs were respected, now IT guys also)
Best Regards,
Bobby
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