Thanks Ian I will give that a try but I don't hold much hope for a solution. 2
very good computer shops I have used before have had a go at my machine and
couldn't fix it.
I'm going to try DanJetX in place of UnDelphiX and see if that makes any
difference.

Bareberic

--- In delphigames@yahoogroups.com, "Ian Munro" <ian.munro@...> wrote:
>
> Hello,
>
> This forum is a bit quiet these days (as are most Delphi
> forums). You may want to try the forum on the Pascal Game Development
> website. They have a DelphiX section. The site address is here:
> http://www.pascalgamedevelopment.com
>
>
>
> Good luck with your game.
>
>
>
> Ian
>
>
>
>
>
>
>
> From: delphigames@yahoogroups.com [mailto:delphigames@yahoogroups.com]
> On Behalf Of ericmort19
> Sent: 26 May 2009 23:15
> To: delphigames@yahoogroups.com
> Subject: [DelphiGames] Re: DXTimer Problem
>
>
>
>
>
>
>
>
> Thanks Igor but that would result in a very jerky movement. The sprites
> need to move in small increments at frequent intervals to get smooth
> movement. It's like a video, 10 frames per second and the video is
> jerky, 25 FPS and it's smooth.
> I have tracked this down to a problem with DirectX timers on some
> Windows XP machines. Mine is one of them and although I can find plenty
> of discussion about it I haven't come up with a fix. I have tested my
> game on my old Win98SE machine, another XP machine, a Windows Vista
> machine and even on Windows 7 Beta. It runs perfectly on all of them
> (well the 98SE machine struggles a bit but still increments the speed
> correctly) so the problem is not with my code and it's not compiled into
> the exe.
>
> It would be nice if someone has a fix.
> Thanks
>
> --- In delphigames@yahoogroups.com
> <mailto:delphigames%40yahoogroups.com> , Igor Stojkovic
> <stojkovic.igor@> wrote:
> >
> > Maybe this wont be so helpful but...
> >
> > I would keep the running on max fps, and update game state at
> > different speed. For example: instead of moving a sprite by 10pixels
> > on every update and using fps to regulate how much pixels per second
> > that amounts to, I would let the game run at max fps, but i would
> > measure how much time passed since last update and move the sprite
> > accordingly - 100ms passed and game is at slow so move it by 10px,
> > 100ms passed and game is at fast so move it by 20px.
> >
> > On Tue, May 26, 2009 at 3:55 AM, ericmort19 <barberic19@> wrote:
> > >
> > >
> > > I am developing a game using UNDelphiX with Delphi 7 and have a
> problem with
> > > the DXTimer. The game has 10 game levels and 3 levels of difficulty.
> > > The game speed should increase in a linear progression from 20 FPS
> in Level
> > > 1 Beginner to a max of 40 FPS in Level 10 Expert or whenever the 40
> FPS is
> > > achieved.
> > > My code is this, where aDifficultyTime is a local variable and
> FLevel is the
> > > game level variable with a range of 1..10.
> > >
> > > // set game speed - runs at 20..40 FPS
> > > case FDifficulty of
> > > gd_Beginner: aDifficultyTime := 0;
> > > gd_Advanced: aDifficultyTime := 5;
> > > gd_Expert: aDifficultyTime := 10;
> > > else aDifficultyTime := 0;
> > > end;
> > > DXTimer.Interval := 52 - aDifficultyTime - (FLevel*2);
> > > if DXTimer.Interval < 25 then DXTimer.Interval := 25; // max 40 FPS
> > >
> > > The FPS output runs like this, starting at 16 FPS instead of 20 and
> jumping
> > > to 21, 24 and finally a max of 32 :-
> > >
> > > Level Beginner - 16 FPS. Should be 20.
> > > Level Expert - 21 FPS. Should be 25.
> > > Leve3 Beginner - 21 FPS. Should be 21.
> > > Leve3 Expert - 21 FPS. Should be 27.
> > > Leve5 Beginner - 21 FPS. Should be 24.
> > > Leve5 Expert - 24 FPS. Should be 31.
> > > Leve8 Beginner - 21 FPS. Should be 28.
> > > Leve8 Expert - 32 FPS. Should be 38.
> > > Leve10 Beginner - 21 FPS. Should be 31.
> > > Leve10 Expert - 32 FPS. Should be 40.
> > >
> > > I ran the DX Diagnostics tool from Start>Run>dxdiag and that found
> no
> > > problems. Relevant sections of the report below. If I leave the
> dxdiag
> > > window open and run the game it behaves as it should with a gradual
> increase
> > > in speed as it progresses through the level. When I close the dxdiag
> window
> > > the timer resumes it's weird behavior.
> > >
> > > Please has anyone any ideas how to fix it.
> > >
> > > DX Diagnostics output report - relevant bits.
> > > ------------------
> > > System Information
> > > ------------------
> > > Time of this report: 5/26/2009, 10:22:48
> > > Machine name: ERIC-XP3
> > > Operating System: Windows XP Professional (5.1, Build 2600) Service
> Pack 2
> > > (2600.xpsp_sp2_rtm.040803-2158)
> > > Language: English (Regional Setting: English)
> > > System Manufacturer: GBT___
> > > System Model: GBTUACPI
> > > BIOS: Award Modular BIOS v6.00PG
> > > Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 6000+, MMX,
> 3DNow (2
> > > CPUs), ~3.0GHz
> > > Memory: 2046MB RAM
> > > Page File: 372MB used, 3566MB available
> > > Windows Dir: C:\WINDOWS
> > > DirectX Version: DirectX 9.0c (4.09.0000.0904)
> > > DX Setup Parameters: Not found
> > > DxDiag Version: 5.03.2600.2180 32bit Unicode
> > >
> > > ------------
> > > DxDiag Notes
> > > ------------
> > > DirectX Files Tab: No problems found.
> > > Display Tab 1: No problems found.
> > > Sound Tab 1: No problems found.
> > > Sound Tab 2: No problems found.
> > > Sound Tab 3: No problems found.
> > > Music Tab: No problems found.
> > > Input Tab: No problems found.
> > > Network Tab: No problems found.
> > >
> > > --------------------
> > > DirectX Debug Levels
> > > --------------------
> > > Direct3D: 0/4 (n/a)
> > > DirectDraw: 0/4 (retail)
> > > DirectInput: 0/5 (n/a)
> > > DirectMusic: 0/5 (n/a)
> > > DirectPlay: 0/9 (retail)
> > > DirectSound: 0/5 (retail)
> > > DirectShow: 0/6 (retail)
> > >
> > > ---------------
> > > Display Devices
> > > ---------------
> > > Card name: NVIDIA GeForce 7300 SE/7200 GS
> > > Manufacturer: NVIDIA
> > > Chip type: GeForce 7300 SE/7200 GS
> > > DAC type: Integrated RAMDAC
> > > Device Key: Enum\PCI\VEN_10DE&DEV_01D3&SUBSYS_82501043&REV_A1
> > > Display Memory: 512.0 MB
> > > Current Mode: 1024 x 768 (32 bit) (100Hz)
> > > Monitor: Philips 109B50
> > > Monitor Max Res: 1920,1440
> > > Driver Name: nv4_disp.dll
> > > Driver Version: 6.14.0011.6218 (English)
> > > DDI Version: 9 (or higher)
> > > Driver Attributes: Final Retail
> > > Driver Date/Size: 6/29/2007 02:43:00, 5690624 bytes
> > > WHQL Logo'd: n/a
> > > WHQL Date Stamp: n/a
> > > VDD: n/a
> > > Mini VDD: nv4_mini.sys
> > > Mini VDD Date: 6/29/2007 02:43:00, 6807328 bytes
> > > Device Identifier: {D7B71E3E-4293-11CF-B96B-5BA200C2CB35}
> > > Vendor ID: 0x10DE
> > > Device ID: 0x01D3
> > > SubSys ID: 0x82501043
> > > Revision ID: 0x00A1
> > > Revision ID: 0x00A1
> > > Video Accel: ModeMPEG2_A ModeMPEG2_B ModeMPEG2_C ModeMPEG2_D
> ModeWMV9_B
> > > ModeWMV9_A
> > > Deinterlace Caps: {6CB69578-7617-4637-91E5-1C02DB810285}:
> > > Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0)
> > > Caps=VideoProcess_YUV2RGB VideoProcess_StretchX
> VideoProcess_StretchY
> > > DeinterlaceTech_PixelAdaptive
> > > {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YUY2,YUY2)
> > > Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB
> > > VideoProcess_StretchX VideoProcess_StretchY
> > > DeinterlaceTech_BOBVerticalStretch
> > > {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)=(UYVY,YUY2)
> > > Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB
> > > VideoProcess_StretchX VideoProcess_StretchY
> DeinterlaceTech_PixelAdaptive
> > > {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(UYVY,YUY2)
> > > Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB
> > > VideoProcess_StretchX VideoProcess_StretchY
> > > DeinterlaceTech_BOBVerticalStretch
> > > {6CB69578-7617-4637-91E5-1C02DB810285}:
> Format(In/Out)=(YV12,0x3231564e)
> > > Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB
> > > VideoProcess_StretchX VideoProcess_StretchY
> DeinterlaceTech_PixelAdaptive
> > > {335AA36E-7884-43A4-9C91-7F87FAF3E37E}:
> Format(In/Out)=(YV12,0x3231564e)
> > > Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB
> > > VideoProcess_StretchX VideoProcess_StretchY
> > > DeinterlaceTech_BOBVerticalStretch
> > > {6CB69578-7617-4637-91E5-1C02DB810285}:
> Format(In/Out)=(NV12,0x3231564e)
> > > Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB
> > > VideoProcess_StretchX VideoProcess_StretchY
> DeinterlaceTech_PixelAdaptive
> > > {335AA36E-7884-43A4-9C91-7F87FAF3E37E}:
> Format(In/Out)=(NV12,0x3231564e)
> > > Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB
> > > VideoProcess_StretchX VideoProcess_StretchY
> > > DeinterlaceTech_BOBVerticalStretch
> > > Registry: OK
> > > DDraw Status: Enabled
> > > D3D Status: Enabled
> > > AGP Status: Enabled
> > > DDraw Test Result: Not run // ran OK when tested
> > > D3D7 Test Result: Not run // ran OK when tested
> > > D3D8 Test Result: Not run // ran OK when tested
> > > D3D9 Test Result: Not run // ran OK when tested
> > >
> > > -------------
> > >
> > >
> >
> >
> >
> > --
> > Pozdrav,
> > Igor Stojkovic mailto: stojkovic.igor@
> > Join new social network and get you share of the company at
> > www.me2everyone.com/208754
> >
>
>
>
>
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