No Object Masking? - GameCreators Forum

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lil marioman

16

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Joined: 21st Apr 2008

Location: Canada

Posted: 5th Aug 2009 06:25

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I'm porting some of my FPS code from DBPro to DarkGDK, but I've encountered a minor inconvenience.

There's no "Set Object Mask" command, which is used for hiding objects on certain cameras.

Is there any workaround to this?

I'm scared of bugs. I mean that in more ways than one.

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dark coder

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Joined: 6th Oct 2002

Location: Japan

Posted: 5th Aug 2009 07:45

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http://forum.thegamecreators.com/?m=forum_view&t=155273&b=22

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lil marioman

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Posted: 5th Aug 2009 23:04

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Thanks, but I keep getting Link Errors when I compile my project

I'm scared of bugs. I mean that in more ways than one.

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Mista Wilson

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Posted: 6th Aug 2009 02:54

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I suggest using the simple single function that is a couple of posts down from the top of that page dark coder linked for you.

The class that I posted has a slightly hosed implementation(lol understatement, slightly) of a singleton class that I havent gotten around to removing yet. It doesnt affect the working of the class or the functions in it, but its not the best way to have things.

If you can post the specifi errors that you are getting someone may be able to help you a little more.

If it ain't broke.... DONT FIX IT !!!

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lil marioman

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Posted: 6th Aug 2009 03:35

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I found out it wasn't the Object Masking that was causing the problem.

It's either my computer or the compiler itself:

"Unhandled exception at 0x0040a325 in Game.exe: 0xC0000005: Access violation reading location 0x00000000."

I click continue, same thing appears again, I click break, everything stops

I'm scared of bugs. I mean that in more ways than one.

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Mista Wilson

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Posted: 6th Aug 2009 04:54 Edited at: 6th Aug 2009 04:58

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its because you are trying to address a piece of memory that isnt what your program thinks it should be.

Its hard to tell you what the exact cause is though without the code the check.

All I can suggest without code is to debug the program, set breakpoints around the places wherever the variable that caused the exception is used and, place watches on the variable so you can check its values.

Does your program throw the exception when you dont include anything from the masking stuff ? (if so then the problem will be somewhere in your code, if it happens only when the masking stuff is included it could be the way you are using it, or it could be my code, but either way, ill need to see how you are using it to determine that)

EDIT : To be a little less subtle lol, if you could please post your code, ill have a look through and see if I can find what the problem is, either my code or your own

(if you really dont want to post your entire code publicly thats ok it is your choice, but you will only get generalized help without specifics, which isnt really much help at all usually)

If it ain't broke.... DONT FIX IT !!!

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lil marioman

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Posted: 6th Aug 2009 05:13 Edited at: 6th Aug 2009 19:33

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It's attached to this post in .rar format

Before you judge my coding expertise (nearly 0

) realize that it works fine in DBPro and I just started learning the process of DarkGDK yesterday, with no previous experience of C++.

So if the error is EXTREMELY obvious, I'm sorry.

And, it doesn't work even if I take out the object masking...
so the source attached is without it

I'm scared of bugs. I mean that in more ways than one.

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Mista Wilson

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Posted: 6th Aug 2009 05:24

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no worries, ill have a look through now and post bak soon with my finding...

And dont worry about coding style or obvious errors or anything like that, everybody has to start somewhere and learn stuff, and mistakes have to be made to learn from or we dont get anywhere lol

If it ain't broke.... DONT FIX IT !!!

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Mista Wilson

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Posted: 6th Aug 2009 08:53

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Ok (sorry for the double post, attaching download to this one)

I have gone through your code and changed and altered it to get it running as best I could without spending too much time(im a little strapped for that lately lol)..

I have included in the download the media that I used, as it is kind of position dependant, as you have gravity, you need to make sure you spawn the player in just above the ground or he falls through it. (its about 7mb with media in a zip-FPSC level which is what you were using I think - i removed some of the textures to make it smaller lol)

Its working, you can run around the level and jump, you can fire the gun, but only 1 clip as your reload code is a little broken.

I have gone through and added comments through your code in all the places where I changed something, to explain why I changed it and to what.

Basically, your minimap isnt working(camera usage related), reloading isnt working(variable usage related, couldnt trace it in time i had), the rest seems to be working.

Your code wasnt really messy at all, and it was quite easy for me to undersatnd what was doing what.

Ill also post the actual 2 code files in code tags here to save the download if you dont want to(I recomend you do though as the media I used will demonstrate how it works, as I said, using different media will mean that you need to alter the spawn in position of your player.)

Attachment contains : Compiled .EXE file, media, main.cpp and variables.h.

Main.cpp :

// Include DarkGDK, Sparky's Collision and Mask Object
#include "DarkGDK.h"
#include "SC_Collision.h"
#include "Variables.h"

/////Movement Vectors
	int g_rtimer = 0;
	int g_stimer = 0;
	int g_vtimer = 0;

double g_vx = 0.0f;
	 double g_vy = 0.0f;
	 double g_vz = 0.0f;

double g_x = 0.0f;
	 double g_oldy = 0.0f;

double g_y = 0.0f; // this variable was missing a definition

double g_z = 0;

double g_ox = 0.0f;
	 double g_oy = 0.0f;
	 double g_oz = 0.0f;

double g_ax = 0.0f;
	 double g_ay = 0.0f;
	 double g_az = 0.0f;

double g_newx = 0.0f;
	 double g_newy = 0.0f;
	 double g_newz = 0.0f;

double g_normx = 0.0f;
	 double g_normy = 0.0f;
	 double g_normz = 0.0f;

double g_runon = 3.0f;
	 double g_radius = 24.5f;
	 double g_fpsview = 0.0f;
	
	 double g_fpsviewy = 0.0f; // this variable was missing a definition

double g_gravity = -0.1f;
	 double g_slope = 0.5f;

int g_ground = 0;
	 int g_jumptimer = 0;
	/////User-Declared Variables
	 int g_idle = 1;
	 int g_thirdperson = 0;
	 int g_firestate = 0;
	 int g_moving = 0;
	 int g_reloadstate = 0;
	 int g_framecheck = 0;//g_reloadstate+g_firestate; // if you want this variable to stay equal to the other 2, u ned to keep assigning it in the loop
	 int g_movecheck = 0; // can define it like this : dbKeyState(17)+dbKeyState(30)+dbKeyState(31)+dbKeyState(32);
	 int g_muzzleflashtoggle = 0;
	 int g_counter = 10002;
	/////Object Number Variables
	 int g_map = 1;
	 int g_plrobj = 2;
	 int g_skysphere = 10;
	 int g_skytex = 5;
	/////G36C Variables
	 int g_g36c = 8;
	 int g_g36cflash = 9;

int g_g36cfire = 1;
	 int g_g36creload = 2;
	 int g_g36cdryfire = 3;

int g_g36cflashtex = 1;
	 int g_g36cxhair = 2;
	 int g_g36choletex = 3;

int g_g36cxhairs = 1;

int g_accg36c = 10;
	 int g_g36cammo = 30;
	 int g_maxg36cammo = 500;
	 int g_g36cammoremain = 0;
	 int g_clipg36cammo = 30;

void movePlayer(); // sparky's sliding demo player movement function - this is where you copied yours from I assume
				   // so i stuck this in here to try and get movement working properly.
// the main entry point for the application is this function
void DarkGDK ( void )
{
	// turn on sync rate and set maximum rate to 30 fps
	dbSyncOn   ( );
	dbSyncRate (60);
	dbSetDisplayMode (800,600,32);
	dbRandomize (dbTimer());
	dbAutoCamOff();
	dbSetDir ("Files");
	SC_Start();
	MakeLevel();
	MakePlayer();
	GunG36C();
	// IMPORTANT : ADJUST the values added to the object position below to make sure that your player
	// spawns into the level just a little above the gruond, and actually inside it
	dbPositionObject(g_plrobj, dbObjectPositionX(g_plrobj)+20, dbObjectPositionY(g_plrobj)+4, dbObjectPositionZ(g_plrobj)-4);
	// our main loop
	while ( LoopGDK ( ) )
	{
		dbPositionMouse (0,0);
		MuzzleUpdate();
		movePlayer();
		PositionCameraToObject();
		//MakeMinimap(); - commented as its logic is broken, try to fix it 
		GunReloadG36C();
		g_framecheck = g_reloadstate + g_firestate;
		//g_movecheck = dbKeyState(17)+dbKeyState(30)+dbKeyState(31)+dbKeyState(32);
		if(dbKeyState(17) || dbKeyState(30) || dbKeyState(31) ||dbKeyState(32)) g_movecheck = 1; // replaces line above
		GunMovementG36C();

dbText (0,0,"FPS : ");
		dbText (0,25,"Ammo : ");
		dbText (0,50,"Max Ammo : ");
		dbText (60,0,dbStr(dbScreenFPS())); // you are creating memory leaks here just so you know
		dbText (60,25,dbStr(g_g36cammo));   // dbStr allocates memory, so you need to assign the pointer
		dbText (60,50,dbStr(g_maxg36cammo));// you get back from it to a variable of your own so you ca de-allocate it
											// not really important at the moment, but something to keep in mind
		dbSync ( );
	}

// return back to windows
	return;
}

void MakeLevel(void) // Load and Render the 3d world and make a textured sky-sphere
{
	//////////////////////////////////////////////////////////////////////
	/// NOTE : I EDITTED THE PATHS OF YOUR MEDIA, YOU NEED TO CHANGE THEM
	//		   BACK TO WHEREVER YOU HAD THEM ORIGINALLY. I AM SORRY, I DID THIS
	//		   SO THAT I COULD TEST THE PROGRAM WITH MY OWN MEDIA AS YOU DIDNT
	//		   INCLUDE ANY IN YOUR DOWNLOAD
	///////////////////////////////////////////////////////////////////////
	//dbMakeObjectSphere (g_skysphere,-48000.0f);
	//dbLoadImage ("Skytex.jpg",g_skytex);
	//dbLoadImage ("backdrop.jpg",g_skytex);
	//dbTextureObject (g_skysphere,g_skytex);
	
	dbLoadObject ("levelbank\\testlevel\\universe.dbo",g_map);
	SC_SetupComplexObject (g_map,1,2);
	//dbPositionObject (g_map,0.0f,0.0f,0.0f);
	//dbPositionObject (g_skysphere,0.0f,0.0f,0.0f);
	
}

void MakePlayer(void) //Makes the actual player collision sphere and hides it
{
	dbMakeObjectSphere (g_plrobj,g_radius);
	//dbPositionObject (g_plrobj,185.0f,30.0f,-240.0f);
	SC_SetupObject (g_plrobj,0,1);
}

void GunG36C(void) //Loads the Properties of the G36C
{
	//////////////////////////////////////////////////////////////////////
	/// NOTE : I EDITTED THE PATHS OF YOUR MEDIA, YOU NEED TO CHANGE THEM
	//		   BACK TO WHEREVER YOU HAD THEM ORIGINALLY. I AM SORRY, I DID THIS
	//		   SO THAT I COULD TEST THE PROGRAM WITH MY OWN MEDIA AS YOU DIDNT
	//		   INCLUDE ANY IN YOUR DOWNLOAD
	///////////////////////////////////////////////////////////////////////
	//dbLoadSound ("fire.wav",g_g36cfire);
	//dbLoadSound ("reload.wav",g_g36creload);
	//dbLoadSound ("dryfire.wav",g_g36cdryfire);

dbLoadObject("HUD.x",g_g36c);

dbLoadImage ("flash94.dds",g_g36cflashtex);
	dbLoadImage ("crosshair.dds",g_g36cxhair);
	dbLoadImage ("bulletholes.dds",g_g36choletex);

/*int n = 0;

for (n = 1; n < 81; n++)
	{
		dbMakeObjectPlain (n+=10000,8.0f,8.0f);
		dbTextureObject (n+=10000,g_g36choletex);
		dbSetObjectTransparency (n+=10000,1);
		dbHideObject (n+10000);
	}*/

dbMakeObjectPlain (g_g36cflash,12.0f,12.0f);
	dbTextureObject (g_g36cflash,g_g36cflashtex);
	dbHideObject (g_g36cflash);
	dbSetObjectTransparency (g_g36cflash,1);
	dbLockObjectOn (g_g36cflash);
	dbDisableObjectZDepth (g_g36cflash);
	dbLockObjectOn (g_g36c);
	dbSetObjectSpeed (g_g36c,55);
	dbRotateObject (g_g36c,180.0f,0.0f,180.0f);
	dbPositionObject (g_g36c,1.25f,0.0f,0.0f);
	dbDisableObjectZDepth (g_g36c);

dbSprite (g_g36cxhairs,dbScreenWidth()/2 - 32,dbScreenHeight()*0.5 - 32,g_g36cxhair);
	dbScaleSprite (g_g36cxhairs,50.0f); 
}

void MuzzleUpdate(void) //Updates the Muzzleflash 
{
	dbPositionObject (g_g36cflash,dbObjectPositionX(g_g36c)+3.70f,dbObjectPositionY(g_g36c)-2.5f,dbObjectPositionZ(g_g36c)+25.0f);
	dbPointObject (g_g36cflash,dbObjectPositionX(g_g36c),dbObjectPositionY(g_g36c),dbObjectPositionZ(g_g36c));
	dbZRotateObject (g_g36cflash,dbRND(10)+20);
}

//////////////////////////////////////////////////////
// REMOVED YOUR MOVEMENT CODE COMPLETELY IM SORRY ITS BROKEN - SEE movePlayer() fun at bottom.
///////////////////////////////////////////////////////
void MovePlayer(void)
{
	/*dbYRotateObject (g_plrobj,dbObjectAngleY(g_plrobj)+dbMouseMoveX()*0.33f);
	dbXRotateObject (g_plrobj,dbObjectAngleX(g_plrobj)+dbMouseMoveY()*0.33f);

if (dbWrapValue(dbCameraAngleX())>40 && dbWrapValue(dbCameraAngleX())<180)
	{
		dbXRotateObject (g_plrobj,40.0f);
	}

if (dbWrapValue(dbCameraAngleX())>180 && dbWrapValue(dbCameraAngleX())<280)
	{
		dbXRotateObject (g_plrobj,280.0f);
	}

double oldx = dbObjectPositionX(g_plrobj);
	double oldz = dbObjectPositionZ(g_plrobj);

float angy = dbObjectAngleY(g_plrobj);
	g_vx = 0.0f;
	g_vz = 0.0f;

if (g_vy == 0.0f && g_jumptimer == 0);
	{
		g_vy = g_vy + 10.0*g_gravity;
	}

if (dbKeyState(42) == 1)
	{
		g_runon = 10.0f;
	}
	else 
	{
		g_runon = 5.0f;
	}

if (dbKeyState(46) == 1)
	{
		g_radius = 15.0f;
	}
	else
	{
		g_radius = 24.5f;
	}

if (dbKeyState(32) == 1)
	{
		g_vx = g_vx + dbCOS(angy)*g_runon;
		g_vz = g_vz - dbSIN(angy)*g_runon;
	}
	
	if (dbKeyState(30) == 1)
	{
		g_vx = g_vx - dbCOS(angy)*g_runon;
		g_vz = g_vz + dbSIN(angy)*g_runon;
	}

if (dbKeyState(31) == 1)
	{
		g_vx = g_vx - dbSIN(angy)*g_runon;
		g_vz = g_vz - dbCOS(angy)*g_runon;
	}

if (dbKeyState(17) == 1)
	{
		g_vx = g_vx + dbSIN(angy)*g_runon;
		g_vz = g_vz + dbCOS(angy)*g_runon;
	}

if (g_ground == 1)
	{
		if (dbSpaceKey() == 1 && g_jumptimer == 0)
		{
			g_vy = g_vy + 4.0f;
			g_jumptimer = 20;
		}
	}

g_x = oldx + g_vx;
	 g_y = g_oldy + g_vy;
	 g_z = oldz + g_vz;
	int collide = SC_SphereCastGroup(1,oldx,g_oldy,oldz,oldx,g_oldy+g_vy,oldz,g_radius,0);

if (collide > 0)
	{
		float ny = SC_GetCollisionNormalY();
		if (dbABS(ny) > g_slope)
		{
			g_oldy = SC_GetStaticCollisionY();
		}
		else 
		{
			g_x = g_x - oldx;
			g_z = g_z - oldz;
			oldx = SC_GetCollisionSlideX();
			g_oldy = SC_GetCollisionSlideY();
			oldz = SC_GetCollisionSlideZ();
			g_x = g_x + oldx;
			g_z = g_z + oldz;
		}

if (ny > g_slope)
	{
		g_ground = 1;
		g_vy = 0;
	}
	else 
	{
		g_ground = 0;
		if (ny < g_slope)
		{
			g_vy = g_gravity;
		}
		if (collide == 0)
		{
			g_oldy = g_oldy + g_vy;
			g_ground = 0;
		}
	}
	
	if (g_ground == 0 && g_jumptimer > 0)
	{
		g_jumptimer--;
	}

collide = SC_SphereSlideGroup(1,oldx,g_oldy,oldz,g_x,g_oldy,g_z,g_radius,0);

if (collide > 0)
	{
		g_x = SC_GetCollisionSlideX();
		g_oldy = SC_GetCollisionSlideY();
		g_z = SC_GetCollisionSlideZ();
		g_vx = 0;
		g_vy = 0;
	}

dbPositionObject (g_plrobj,g_x,g_oldy,g_z);
	SC_UpdateObject (g_plrobj);
	} 
	*/ 
	
}

void PositionCameraToObject(void)
{
	// added a rotate command here so the camera will rotate to folow the object - fixed the positioning
	dbPositionCamera( dbObjectPositionX(g_plrobj),dbObjectPositionY(g_plrobj),dbObjectPositionZ(g_plrobj) );
	dbRotateCamera( dbObjectAngleX(g_plrobj),dbObjectAngleY(g_plrobj),dbObjectAngleZ(g_plrobj) );
	//g_fpsviewy = dbObjectPositionY(g_plrobj)+g_radius;
	//dbPositionCamera (dbObjectPositionX(g_plrobj),g_fpsviewy,dbObjectPositionZ(g_plrobj));
	//dbSetCameraRange (1,50010);
}

void MakeMinimap(void)
{
	// THIS IS BROKEN, YOU WILL NEED TO LOOK AT ALTERNATIVE WAYS OF DOING THIS AS YOUR CAMERA
	// MOVEMENT WAS BEING BROKEN BY THIS SWITCHING CAMERA FOR THE MAP, YOU ONLY NEED TO SET THIS UP ONC
	// NOT CALL ALL OF IT IN THE MAIN LOOP, SHUOLD HAVE A "MAKEMINIMAP" function and "UPDATEMINIMAP" func.
	/*float xstart = g_x;
	float ystart = g_oldy + 1500;
	float zstart = g_z;
	signed int swidth = dbScreenWidth()-150;
	signed int sheight = dbScreenHeight()-(dbScreenHeight()-10);
	signed int swidth2 = dbScreenWidth()-10;
	signed int sheight2 = dbScreenHeight()-(dbScreenHeight()-150);
	dbSetCameraRange (2, 1, 48000);
	dbPositionCamera (2, xstart,ystart,zstart);
	dbRotateCamera (2,90,dbObjectAngleY(g_plrobj),dbObjectAngleZ(g_plrobj));
	dbSetCameraView (swidth,sheight,swidth2,sheight2);
	dbSetCameraAspect (2,1.0f);*/ 
}

void GunReloadG36C(void)
{
	// YOU RELOAD CODE IS BROKEN AT THE MOMENT.
	// I HAVE NOT TRACED THROUGH EXACTLY WHY, BUT I WOULD CHECK AND TRAC ALL USED VARIABLES TO TRY AND
	// SEE WHAT IS CAUSING IT TO BREAK THE ROUTINE, THE GUN FIRES, BUT DOESNT RELOAD
	/*if (dbKeyState(19) == 1 && g_framecheck == 0)
	{
		g_idle = 0;
		g_moving = 0;
		dbPlayObject (g_g36c,91,169);
		dbPlaySound (g_g36creload);
		g_reloadstate = 1;
	}

if (g_g36cammo = 0 && g_maxg36cammo > 1 && g_framecheck == 0)
	{		
		g_idle = 0;
		g_moving = 0;
		dbPlayObject (g_g36c,91,169);
		dbPlaySound (g_g36creload);
		g_reloadstate = 1;
	}

if (g_g36cammo > g_clipg36cammo)
	{
		g_g36cammoremain = g_g36cammo - g_clipg36cammo;
		g_g36cammo = g_clipg36cammo; 
		g_maxg36cammo = g_maxg36cammo + g_g36cammoremain;
	}

if (dbObjectPlaying(g_g36c) == 0 && g_reloadstate == 1)
	{
		g_idle = 1;
		g_reloadstate = 0;

if (g_maxg36cammo - g_clipg36cammo > 0)
		{
			g_g36cammo = g_g36cammo + g_clipg36cammo;
			g_maxg36cammo = g_maxg36cammo - g_clipg36cammo;
		}
		else 
		{
			g_g36cammo = g_maxg36cammo;
			g_maxg36cammo = 0;
		}
	}*/
}

void GunMovementG36C(void)
{
	// THIS FUNC DOES WHAT ITS MENT TO KIND OF, ITS COLLISION ISNT WORKING PROPERLY SO YOU NEED TO CHJECL THAT
	g_muzzleflashtoggle = dbRND(2) - 1;

if (g_movecheck > 0 && g_framecheck == 0)
	{
		g_idle = 1;
		g_moving = 0;
	}
	else
	{
		g_moving = 0;
	}

if (g_moving = 1)
	{
		dbLoopObject (g_g36c,51,73);
	}

if (dbObjectFrame(g_g36c) > 51 && dbObjectFrame(g_g36c) < 73)
	{
		if (g_movecheck = 0)
		{
			if (g_framecheck = 0)
			{
				dbStopObject(g_g36c);
			}
		}
	}

if (dbObjectPlaying(g_g36c) == 0)
	{
		g_idle = 1;
	}

if (g_idle = 1)
	{
		dbLoopObject (g_g36c,26,49);
	}

if (dbMouseClick() == 1 && g_reloadstate == 0)
	{
		if (g_g36cammo > 0)
		{
			g_firestate = 1;
			g_idle = 0;
			dbLoopObject (g_g36c,76,90);
		}
	}

if (g_firestate == 1 && dbMouseClick() == 0)
	{
		g_firestate = 0;
		g_idle = 1;
		dbStopObject (g_g36c);
	}

if (g_firestate == 1 && g_muzzleflashtoggle == 1)
	{
		dbShowObject (g_g36cflash);
	}
	else 
	{
		dbHideObject (g_g36cflash);
	}

if (g_g36cammo == 0)
	{
		g_firestate = 0;
	}

if (dbMouseClick() == 1 && dbSoundPlaying(g_g36cfire) == 0 && g_reloadstate == 0 && g_g36cammo > 0)
	{
		dbPlaySound (g_g36cfire);
		g_g36cammo-=1;

g_ox = dbCameraPositionX()-dbRND(g_accg36c);
		g_oy = dbCameraPositionY()+dbRND(g_accg36c);
		g_oz = dbCameraPositionZ();

dbMoveCamera (2000.0f);

g_ax = dbCameraPositionX()-dbRND(g_accg36c);
		g_ay = dbCameraPositionY()+dbRND(g_accg36c);
		g_az = dbCameraPositionZ();

dbMoveCamera (-2000.0f);

int collide = SC_RayCast(1,g_ox,g_oy,g_oz,g_ax,g_ay,g_az,0);

if (collide > 0)
		{
			g_newx = SC_GetStaticCollisionX();
			g_newy = SC_GetStaticCollisionY();
			g_newz = SC_GetStaticCollisionZ();

g_normx = SC_GetCollisionNormalX();
			g_normy = SC_GetCollisionNormalY();
			g_normz = SC_GetCollisionNormalZ();

dbPositionObject (g_counter,g_newx+g_normx*0.1f,g_newy+g_normy*0.1f,g_newz+g_normz*0.1f);
			dbPointObject (g_counter,g_newx+g_normx,g_newy+g_normy,g_newz+g_newz);
			dbShowObject (g_counter);
			g_counter+=1;
			if (g_counter > 10080)
			{
				g_counter = 10002;
			}
		}
	} 
}

// THIS IS THE MOVEMENT CODE FROM THE SPARKYS SLIDING DEMO, I PLACED IT HERE INSTAED OF USING YOUR CODE, WHICH WASNT WORKING
// IM NOT SURE WHYm, BUT I THINK YOU MAY HAVE MUCKED UP SOME OF THE LOOPS IN YOUR OWN MOVEMENT FUNC.
void movePlayer()
{
	//rotate player with mouse
	dbYRotateObject( 2,dbObjectAngleY(g_plrobj) + dbMouseMoveX()/3.0f );
	dbXRotateObject( 2,dbObjectAngleX(g_plrobj) + dbMouseMoveY()/3.0f );

float oldx = dbObjectPositionX(g_plrobj);
	float oldy = dbObjectPositionY(g_plrobj);
	float oldz = dbObjectPositionZ(g_plrobj);
	
	//apply gravity, and user changes to movement
	float angy = dbObjectAngleY(g_plrobj);
	g_vx = 0;
	g_vz = 0;

//if player is jumping or falling then apply 'normal' gravity
	//if not attempt to keep the player stuck to the floor
	if ( g_vy == 0 && g_jumptimer == 0 ) g_vy = g_vy + 10.0 * g_gravity; 
	else g_vy = g_vy + g_gravity;

if (dbKeyState(32) == 1 ) { g_vx = g_vx + dbCos(angy); g_vz = g_vz - dbSin(angy); }
	if (dbKeyState(30) == 1 ) { g_vx = g_vx - dbCos(angy); g_vz = g_vz + dbSin(angy); }
	if (dbKeyState(31) == 1 ) { g_vx = g_vx - dbSin(angy); g_vz = g_vz - dbCos(angy); }
	if (dbKeyState(17) == 1 ) { g_vx = g_vx + dbSin(angy); g_vz = g_vz + dbCos(angy); }

//only jump if on ground, and a certain time after last jump
	if ( g_ground == 1 ) 
	{
		if ( dbSpaceKey() == 1 && g_jumptimer == 0 ) 
		{
			g_vy = g_vy + 3.0f;
			g_jumptimer = 20;
		}
	}
	
	//this would be the player's final position without collision
	float x = oldx + g_vx;
	float y = oldy + g_vy;
	float z = oldz + g_vz;
	
	//first handle gravity - seperated from horizontal movement
	//to achieve a more realistic effect
	//Method: simple - cast a sphere vertically down, if it hits the level then
	//                 position the object there (sticky collision) then move 
	//                 on to horizontal movement
	//  more complex - if we were to only use the simple method the player would be 
	//                 allowed to climb almost vertical slopes. Alternative is to
	//                 get the normalY direction to work out how flat the gorund
	//                 below the player is, 0-slope# is flatter, slope#-1 is steeper.
	//                 if it's flat, use sticky collision, if it's steep slide the
	//                 player down the slope. Changing slope# determines how steep the 
	//                 player can climb. NOTE: this also effects stairs.
	int collide = SC_SphereCastGroup( 1, oldx,oldy,oldz, oldx,oldy+g_vy,oldz, g_radius,0 );
	
	if ( collide > 0 )
	{
		//how flat is this ground
		float ny = SC_GetCollisionNormalY();
		if ( dbAbs(ny) > g_slope )
		{
			//FLAT, stick
			oldy = SC_GetStaticCollisionY();
		}
		else
		{
			//STEEP, slide
			x = x - oldx; z = z - oldz;
			oldx = SC_GetCollisionSlideX();
			oldy = SC_GetCollisionSlideY();
			oldz = SC_GetCollisionSlideZ();
			x = x + oldx; z = z + oldz;
		}
		
		//ny#<0 means the player has hit a ceiling rather than a floor
		
		if ( ny > g_slope )
		{
			//only on ground if standing on flat ground
			g_ground = 1;
			g_vy = 0;
		}
		else 
		{
			g_ground = 0;
			//if player has hit a flat ceiling then stop vy# movement
			if ( ny < -g_slope ) g_vy = g_gravity;
		}
	}
	else
	{
		//nothing below player, not on ground, add vertical speed to player
		oldy = oldy + g_vy;
		g_ground = 0;
	}
	
	//jumptimer will decrease only when player is back on ground
	//creates a pause between two successive jumps
	if ( g_ground == 1 && g_jumptimer > 0 ) g_jumptimer--;
	
	//handle horizontal movement as sliding
	//player only collides with group 1 (level) objs and moves freely through others
	collide = SC_SphereSlideGroup( 1, oldx,oldy,oldz, x,oldy,z, g_radius,0 );
	
	if ( collide > 0 )
	{
		//if hit, reposition player, halt movement vector
		x = SC_GetCollisionSlideX();
		oldy = SC_GetCollisionSlideY();
		z = SC_GetCollisionSlideZ();
		g_vx = 0;
		g_vz = 0;
		
		//possible code for giving the player a jumping help up stairs...
		//might be useful if slope# is set very high but stairs are still required
		//dy = oldy - SC_GetStaticCollisionY()
		//if ( dy < slope && dy > 0 && ground == 1 ) vy = 0.5;
	}
	
	//position the player
	dbPositionObject( g_plrobj,x,oldy,z );
	
	SC_UpdateObject( g_plrobj );
}

+ Code Snippet

// Include DarkGDK, Sparky's Collision and Mask Object
#include "DarkGDK.h"
#include "SC_Collision.h"
#include "Variables.h"

	/////Movement Vectors
	int g_rtimer = 0;
	int g_stimer = 0;
	int g_vtimer = 0;

	double g_vx = 0.0f;
	 double g_vy = 0.0f;
	 double g_vz = 0.0f;

	 double g_x = 0.0f;
	 double g_oldy = 0.0f;

	 double g_y = 0.0f; // this variable was missing a definition

	 double g_z = 0;

	 double g_ox = 0.0f;
	 double g_oy = 0.0f;
	 double g_oz = 0.0f;

	 double g_ax = 0.0f;
	 double g_ay = 0.0f;
	 double g_az = 0.0f;

	 double g_newx = 0.0f;
	 double g_newy = 0.0f;
	 double g_newz = 0.0f;

	 double g_normx = 0.0f;
	 double g_normy = 0.0f;
	 double g_normz = 0.0f;

	 double g_runon = 3.0f;
	 double g_radius = 24.5f;
	 double g_fpsview = 0.0f;
	
	 double g_fpsviewy = 0.0f; // this variable was missing a definition

	 double g_gravity = -0.1f;
	 double g_slope = 0.5f;

	 int g_ground = 0;
	 int g_jumptimer = 0;
	/////User-Declared Variables
	 int g_idle = 1;
	 int g_thirdperson = 0;
	 int g_firestate = 0;
	 int g_moving = 0;
	 int g_reloadstate = 0;
	 int g_framecheck = 0;//g_reloadstate+g_firestate; // if you want this variable to stay equal to the other 2, u ned to keep assigning it in the loop
	 int g_movecheck = 0; // can define it like this : dbKeyState(17)+dbKeyState(30)+dbKeyState(31)+dbKeyState(32);
	 int g_muzzleflashtoggle = 0;
	 int g_counter = 10002;
	/////Object Number Variables
	 int g_map = 1;
	 int g_plrobj = 2;
	 int g_skysphere = 10;
	 int g_skytex = 5;
	/////G36C Variables
	 int g_g36c = 8;
	 int g_g36cflash = 9;

	 int g_g36cfire = 1;
	 int g_g36creload = 2;
	 int g_g36cdryfire = 3;

	 int g_g36cflashtex = 1;
	 int g_g36cxhair = 2;
	 int g_g36choletex = 3;

	 int g_g36cxhairs = 1;

	 int g_accg36c = 10;
	 int g_g36cammo = 30;
	 int g_maxg36cammo = 500;
	 int g_g36cammoremain = 0;
	 int g_clipg36cammo = 30;

void movePlayer(); // sparky's sliding demo player movement function - this is where you copied yours from I assume
				   // so i stuck this in here to try and get movement working properly.
// the main entry point for the application is this function
void DarkGDK ( void )
{
	// turn on sync rate and set maximum rate to 30 fps
	dbSyncOn   ( );
	dbSyncRate (60);
	dbSetDisplayMode (800,600,32);
	dbRandomize (dbTimer());
	dbAutoCamOff();
	dbSetDir ("Files");
	SC_Start();
	MakeLevel();
	MakePlayer();
	GunG36C();
	// IMPORTANT : ADJUST the values added to the object position below to make sure that your player
	// spawns into the level just a little above the gruond, and actually inside it
	dbPositionObject(g_plrobj, dbObjectPositionX(g_plrobj)+20, dbObjectPositionY(g_plrobj)+4, dbObjectPositionZ(g_plrobj)-4);
	// our main loop
	while ( LoopGDK ( ) )
	{
		dbPositionMouse (0,0);
		MuzzleUpdate();
		movePlayer();
		PositionCameraToObject();
		//MakeMinimap(); - commented as its logic is broken, try to fix it 
		GunReloadG36C();
		g_framecheck = g_reloadstate + g_firestate;
		//g_movecheck = dbKeyState(17)+dbKeyState(30)+dbKeyState(31)+dbKeyState(32);
		if(dbKeyState(17) || dbKeyState(30) || dbKeyState(31) ||dbKeyState(32)) g_movecheck = 1; // replaces line above
		GunMovementG36C();

		dbText (0,0,"FPS : ");
		dbText (0,25,"Ammo : ");
		dbText (0,50,"Max Ammo : ");
		dbText (60,0,dbStr(dbScreenFPS())); // you are creating memory leaks here just so you know
		dbText (60,25,dbStr(g_g36cammo));   // dbStr allocates memory, so you need to assign the pointer
		dbText (60,50,dbStr(g_maxg36cammo));// you get back from it to a variable of your own so you ca de-allocate it
											// not really important at the moment, but something to keep in mind
		dbSync ( );
	}

	// return back to windows
	return;
}

void MakeLevel(void) // Load and Render the 3d world and make a textured sky-sphere
{
	//////////////////////////////////////////////////////////////////////
	/// NOTE : I EDITTED THE PATHS OF YOUR MEDIA, YOU NEED TO CHANGE THEM
	//		   BACK TO WHEREVER YOU HAD THEM ORIGINALLY. I AM SORRY, I DID THIS
	//		   SO THAT I COULD TEST THE PROGRAM WITH MY OWN MEDIA AS YOU DIDNT
	//		   INCLUDE ANY IN YOUR DOWNLOAD
	///////////////////////////////////////////////////////////////////////
	//dbMakeObjectSphere (g_skysphere,-48000.0f);
	//dbLoadImage ("Skytex.jpg",g_skytex);
	//dbLoadImage ("backdrop.jpg",g_skytex);
	//dbTextureObject (g_skysphere,g_skytex);
	
	dbLoadObject ("levelbank\\testlevel\\universe.dbo",g_map);
	SC_SetupComplexObject (g_map,1,2);
	//dbPositionObject (g_map,0.0f,0.0f,0.0f);
	//dbPositionObject (g_skysphere,0.0f,0.0f,0.0f);
	
}	


void MakePlayer(void) //Makes the actual player collision sphere and hides it
{
	dbMakeObjectSphere (g_plrobj,g_radius);
	//dbPositionObject (g_plrobj,185.0f,30.0f,-240.0f);
	SC_SetupObject (g_plrobj,0,1);
}

void GunG36C(void) //Loads the Properties of the G36C
{
	//////////////////////////////////////////////////////////////////////
	/// NOTE : I EDITTED THE PATHS OF YOUR MEDIA, YOU NEED TO CHANGE THEM
	//		   BACK TO WHEREVER YOU HAD THEM ORIGINALLY. I AM SORRY, I DID THIS
	//		   SO THAT I COULD TEST THE PROGRAM WITH MY OWN MEDIA AS YOU DIDNT
	//		   INCLUDE ANY IN YOUR DOWNLOAD
	///////////////////////////////////////////////////////////////////////
	//dbLoadSound ("fire.wav",g_g36cfire);
	//dbLoadSound ("reload.wav",g_g36creload);
	//dbLoadSound ("dryfire.wav",g_g36cdryfire);

	dbLoadObject("HUD.x",g_g36c);

	dbLoadImage ("flash94.dds",g_g36cflashtex);
	dbLoadImage ("crosshair.dds",g_g36cxhair);
	dbLoadImage ("bulletholes.dds",g_g36choletex);

	/*int n = 0;

	for (n = 1; n < 81; n++)
	{
		dbMakeObjectPlain (n+=10000,8.0f,8.0f);
		dbTextureObject (n+=10000,g_g36choletex);
		dbSetObjectTransparency (n+=10000,1);
		dbHideObject (n+10000);
	}*/ 

	dbMakeObjectPlain (g_g36cflash,12.0f,12.0f);
	dbTextureObject (g_g36cflash,g_g36cflashtex);
	dbHideObject (g_g36cflash);
	dbSetObjectTransparency (g_g36cflash,1);
	dbLockObjectOn (g_g36cflash);
	dbDisableObjectZDepth (g_g36cflash);
	dbLockObjectOn (g_g36c);
	dbSetObjectSpeed (g_g36c,55);
	dbRotateObject (g_g36c,180.0f,0.0f,180.0f);
	dbPositionObject (g_g36c,1.25f,0.0f,0.0f);
	dbDisableObjectZDepth (g_g36c);

	dbSprite (g_g36cxhairs,dbScreenWidth()/2 - 32,dbScreenHeight()*0.5 - 32,g_g36cxhair);
	dbScaleSprite (g_g36cxhairs,50.0f); 
}


void MuzzleUpdate(void) //Updates the Muzzleflash 
{
	dbPositionObject (g_g36cflash,dbObjectPositionX(g_g36c)+3.70f,dbObjectPositionY(g_g36c)-2.5f,dbObjectPositionZ(g_g36c)+25.0f);
	dbPointObject (g_g36cflash,dbObjectPositionX(g_g36c),dbObjectPositionY(g_g36c),dbObjectPositionZ(g_g36c));
	dbZRotateObject (g_g36cflash,dbRND(10)+20);
}

//////////////////////////////////////////////////////
// REMOVED YOUR MOVEMENT CODE COMPLETELY IM SORRY ITS BROKEN - SEE movePlayer() fun at bottom.
///////////////////////////////////////////////////////
void MovePlayer(void)
{
	/*dbYRotateObject (g_plrobj,dbObjectAngleY(g_plrobj)+dbMouseMoveX()*0.33f);
	dbXRotateObject (g_plrobj,dbObjectAngleX(g_plrobj)+dbMouseMoveY()*0.33f);

	if (dbWrapValue(dbCameraAngleX())>40 && dbWrapValue(dbCameraAngleX())<180)
	{
		dbXRotateObject (g_plrobj,40.0f);
	}

	if (dbWrapValue(dbCameraAngleX())>180 && dbWrapValue(dbCameraAngleX())<280)
	{
		dbXRotateObject (g_plrobj,280.0f);
	}

	double oldx = dbObjectPositionX(g_plrobj);
	double oldz = dbObjectPositionZ(g_plrobj);

	float angy = dbObjectAngleY(g_plrobj);
	g_vx = 0.0f;
	g_vz = 0.0f;

	if (g_vy == 0.0f && g_jumptimer == 0);
	{
		g_vy = g_vy + 10.0*g_gravity;
	}

	if (dbKeyState(42) == 1)
	{
		g_runon = 10.0f;
	}
	else 
	{
		g_runon = 5.0f;
	}

	if (dbKeyState(46) == 1)
	{
		g_radius = 15.0f;
	}
	else
	{
		g_radius = 24.5f;
	}

	if (dbKeyState(32) == 1)
	{
		g_vx = g_vx + dbCOS(angy)*g_runon;
		g_vz = g_vz - dbSIN(angy)*g_runon;
	}
	
	if (dbKeyState(30) == 1)
	{
		g_vx = g_vx - dbCOS(angy)*g_runon;
		g_vz = g_vz + dbSIN(angy)*g_runon;
	}

	if (dbKeyState(31) == 1)
	{
		g_vx = g_vx - dbSIN(angy)*g_runon;
		g_vz = g_vz - dbCOS(angy)*g_runon;
	}

	if (dbKeyState(17) == 1)
	{
		g_vx = g_vx + dbSIN(angy)*g_runon;
		g_vz = g_vz + dbCOS(angy)*g_runon;
	}

	if (g_ground == 1)
	{
		if (dbSpaceKey() == 1 && g_jumptimer == 0)
		{
			g_vy = g_vy + 4.0f;
			g_jumptimer = 20;
		}
	}

	 g_x = oldx + g_vx;
	 g_y = g_oldy + g_vy;
	 g_z = oldz + g_vz;
	int collide = SC_SphereCastGroup(1,oldx,g_oldy,oldz,oldx,g_oldy+g_vy,oldz,g_radius,0);

	if (collide > 0)
	{
		float ny = SC_GetCollisionNormalY();
		if (dbABS(ny) > g_slope)
		{
			g_oldy = SC_GetStaticCollisionY();
		}
		else 
		{
			g_x = g_x - oldx;
			g_z = g_z - oldz;
			oldx = SC_GetCollisionSlideX();
			g_oldy = SC_GetCollisionSlideY();
			oldz = SC_GetCollisionSlideZ();
			g_x = g_x + oldx;
			g_z = g_z + oldz;
		}

	if (ny > g_slope)
	{
		g_ground = 1;
		g_vy = 0;
	}
	else 
	{
		g_ground = 0;
		if (ny < g_slope)
		{
			g_vy = g_gravity;
		}
		if (collide == 0)
		{
			g_oldy = g_oldy + g_vy;
			g_ground = 0;
		}
	}
	
	if (g_ground == 0 && g_jumptimer > 0)
	{
		g_jumptimer--;
	}

	collide = SC_SphereSlideGroup(1,oldx,g_oldy,oldz,g_x,g_oldy,g_z,g_radius,0);

	if (collide > 0)
	{
		g_x = SC_GetCollisionSlideX();
		g_oldy = SC_GetCollisionSlideY();
		g_z = SC_GetCollisionSlideZ();
		g_vx = 0;
		g_vy = 0;
	}

	
	dbPositionObject (g_plrobj,g_x,g_oldy,g_z);
	SC_UpdateObject (g_plrobj);
	} 
	*/ 
	
}


void PositionCameraToObject(void)
{
	// added a rotate command here so the camera will rotate to folow the object - fixed the positioning
	dbPositionCamera( dbObjectPositionX(g_plrobj),dbObjectPositionY(g_plrobj),dbObjectPositionZ(g_plrobj) );
	dbRotateCamera( dbObjectAngleX(g_plrobj),dbObjectAngleY(g_plrobj),dbObjectAngleZ(g_plrobj) );
	//g_fpsviewy = dbObjectPositionY(g_plrobj)+g_radius;
	//dbPositionCamera (dbObjectPositionX(g_plrobj),g_fpsviewy,dbObjectPositionZ(g_plrobj));
	//dbSetCameraRange (1,50010);
}

void MakeMinimap(void)
{
	// THIS IS BROKEN, YOU WILL NEED TO LOOK AT ALTERNATIVE WAYS OF DOING THIS AS YOUR CAMERA
	// MOVEMENT WAS BEING BROKEN BY THIS SWITCHING CAMERA FOR THE MAP, YOU ONLY NEED TO SET THIS UP ONC
	// NOT CALL ALL OF IT IN THE MAIN LOOP, SHUOLD HAVE A "MAKEMINIMAP" function and "UPDATEMINIMAP" func.
	/*float xstart = g_x;
	float ystart = g_oldy + 1500;
	float zstart = g_z;
	signed int swidth = dbScreenWidth()-150;
	signed int sheight = dbScreenHeight()-(dbScreenHeight()-10);
	signed int swidth2 = dbScreenWidth()-10;
	signed int sheight2 = dbScreenHeight()-(dbScreenHeight()-150);
	dbSetCameraRange (2, 1, 48000);
	dbPositionCamera (2, xstart,ystart,zstart);
	dbRotateCamera (2,90,dbObjectAngleY(g_plrobj),dbObjectAngleZ(g_plrobj));
	dbSetCameraView (swidth,sheight,swidth2,sheight2);
	dbSetCameraAspect (2,1.0f);*/ 
}

void GunReloadG36C(void)
{
	// YOU RELOAD CODE IS BROKEN AT THE MOMENT.
	// I HAVE NOT TRACED THROUGH EXACTLY WHY, BUT I WOULD CHECK AND TRAC ALL USED VARIABLES TO TRY AND
	// SEE WHAT IS CAUSING IT TO BREAK THE ROUTINE, THE GUN FIRES, BUT DOESNT RELOAD
	/*if (dbKeyState(19) == 1 && g_framecheck == 0)
	{
		g_idle = 0;
		g_moving = 0;
		dbPlayObject (g_g36c,91,169);
		dbPlaySound (g_g36creload);
		g_reloadstate = 1;
	}

	if (g_g36cammo = 0 && g_maxg36cammo > 1 && g_framecheck == 0)
	{		
		g_idle = 0;
		g_moving = 0;
		dbPlayObject (g_g36c,91,169);
		dbPlaySound (g_g36creload);
		g_reloadstate = 1;
	}

	if (g_g36cammo > g_clipg36cammo)
	{
		g_g36cammoremain = g_g36cammo - g_clipg36cammo;
		g_g36cammo = g_clipg36cammo; 
		g_maxg36cammo = g_maxg36cammo + g_g36cammoremain;
	}

	if (dbObjectPlaying(g_g36c) == 0 && g_reloadstate == 1)
	{
		g_idle = 1;
		g_reloadstate = 0;

		if (g_maxg36cammo - g_clipg36cammo > 0)
		{
			g_g36cammo = g_g36cammo + g_clipg36cammo;
			g_maxg36cammo = g_maxg36cammo - g_clipg36cammo;
		}
		else 
		{
			g_g36cammo = g_maxg36cammo;
			g_maxg36cammo = 0;
		}
	}*/
}

void GunMovementG36C(void)
{
	// THIS FUNC DOES WHAT ITS MENT TO KIND OF, ITS COLLISION ISNT WORKING PROPERLY SO YOU NEED TO CHJECL THAT
	g_muzzleflashtoggle = dbRND(2) - 1;

	if (g_movecheck > 0 && g_framecheck == 0)
	{
		g_idle = 1;
		g_moving = 0;
	}
	else
	{
		g_moving = 0;
	}

	if (g_moving = 1)
	{
		dbLoopObject (g_g36c,51,73);
	}

	if (dbObjectFrame(g_g36c) > 51 && dbObjectFrame(g_g36c) < 73)
	{
		if (g_movecheck = 0)
		{
			if (g_framecheck = 0)
			{
				dbStopObject(g_g36c);
			}
		}
	}

	if (dbObjectPlaying(g_g36c) == 0)
	{
		g_idle = 1;
	}

	if (g_idle = 1)
	{
		dbLoopObject (g_g36c,26,49);
	}

	if (dbMouseClick() == 1 && g_reloadstate == 0)
	{
		if (g_g36cammo > 0)
		{
			g_firestate = 1;
			g_idle = 0;
			dbLoopObject (g_g36c,76,90);
		}
	}

	if (g_firestate == 1 && dbMouseClick() == 0)
	{
		g_firestate = 0;
		g_idle = 1;
		dbStopObject (g_g36c);
	}

	if (g_firestate == 1 && g_muzzleflashtoggle == 1)
	{
		dbShowObject (g_g36cflash);
	}
	else 
	{
		dbHideObject (g_g36cflash);
	}

	if (g_g36cammo == 0)
	{
		g_firestate = 0;
	}

	if (dbMouseClick() == 1 && dbSoundPlaying(g_g36cfire) == 0 && g_reloadstate == 0 && g_g36cammo > 0)
	{
		dbPlaySound (g_g36cfire);
		g_g36cammo-=1;

		g_ox = dbCameraPositionX()-dbRND(g_accg36c);
		g_oy = dbCameraPositionY()+dbRND(g_accg36c);
		g_oz = dbCameraPositionZ();

		dbMoveCamera (2000.0f);

		g_ax = dbCameraPositionX()-dbRND(g_accg36c);
		g_ay = dbCameraPositionY()+dbRND(g_accg36c);
		g_az = dbCameraPositionZ();

		dbMoveCamera (-2000.0f);

		int collide = SC_RayCast(1,g_ox,g_oy,g_oz,g_ax,g_ay,g_az,0);

		if (collide > 0)
		{
			g_newx = SC_GetStaticCollisionX();
			g_newy = SC_GetStaticCollisionY();
			g_newz = SC_GetStaticCollisionZ();

			g_normx = SC_GetCollisionNormalX();
			g_normy = SC_GetCollisionNormalY();
			g_normz = SC_GetCollisionNormalZ();

			dbPositionObject (g_counter,g_newx+g_normx*0.1f,g_newy+g_normy*0.1f,g_newz+g_normz*0.1f);
			dbPointObject (g_counter,g_newx+g_normx,g_newy+g_normy,g_newz+g_newz);
			dbShowObject (g_counter);
			g_counter+=1;
			if (g_counter > 10080)
			{
				g_counter = 10002;
			}
		}
	} 
}

// THIS IS THE MOVEMENT CODE FROM THE SPARKYS SLIDING DEMO, I PLACED IT HERE INSTAED OF USING YOUR CODE, WHICH WASNT WORKING
// IM NOT SURE WHYm, BUT I THINK YOU MAY HAVE MUCKED UP SOME OF THE LOOPS IN YOUR OWN MOVEMENT FUNC.
void movePlayer()
{
	//rotate player with mouse
	dbYRotateObject( 2,dbObjectAngleY(g_plrobj) + dbMouseMoveX()/3.0f );
	dbXRotateObject( 2,dbObjectAngleX(g_plrobj) + dbMouseMoveY()/3.0f );

	float oldx = dbObjectPositionX(g_plrobj);
	float oldy = dbObjectPositionY(g_plrobj);
	float oldz = dbObjectPositionZ(g_plrobj);
	
	//apply gravity, and user changes to movement
	float angy = dbObjectAngleY(g_plrobj);
	g_vx = 0;
	g_vz = 0;

	//if player is jumping or falling then apply 'normal' gravity
	//if not attempt to keep the player stuck to the floor
	if ( g_vy == 0 && g_jumptimer == 0 ) g_vy = g_vy + 10.0 * g_gravity; 
	else g_vy = g_vy + g_gravity;

	if (dbKeyState(32) == 1 ) { g_vx = g_vx + dbCos(angy); g_vz = g_vz - dbSin(angy); }
	if (dbKeyState(30) == 1 ) { g_vx = g_vx - dbCos(angy); g_vz = g_vz + dbSin(angy); }
	if (dbKeyState(31) == 1 ) { g_vx = g_vx - dbSin(angy); g_vz = g_vz - dbCos(angy); }
	if (dbKeyState(17) == 1 ) { g_vx = g_vx + dbSin(angy); g_vz = g_vz + dbCos(angy); }

	//only jump if on ground, and a certain time after last jump
	if ( g_ground == 1 ) 
	{
		if ( dbSpaceKey() == 1 && g_jumptimer == 0 ) 
		{
			g_vy = g_vy + 3.0f;
			g_jumptimer = 20;
		}
	}
	
	//this would be the player's final position without collision
	float x = oldx + g_vx;
	float y = oldy + g_vy;
	float z = oldz + g_vz;
	
	//first handle gravity - seperated from horizontal movement
	//to achieve a more realistic effect
	//Method: simple - cast a sphere vertically down, if it hits the level then
	//                 position the object there (sticky collision) then move 
	//                 on to horizontal movement
	//  more complex - if we were to only use the simple method the player would be 
	//                 allowed to climb almost vertical slopes. Alternative is to
	//                 get the normalY direction to work out how flat the gorund
	//                 below the player is, 0-slope# is flatter, slope#-1 is steeper.
	//                 if it's flat, use sticky collision, if it's steep slide the
	//                 player down the slope. Changing slope# determines how steep the 
	//                 player can climb. NOTE: this also effects stairs.
	int collide = SC_SphereCastGroup( 1, oldx,oldy,oldz, oldx,oldy+g_vy,oldz, g_radius,0 );
	
	if ( collide > 0 )
	{
		//how flat is this ground
		float ny = SC_GetCollisionNormalY();
		if ( dbAbs(ny) > g_slope )
		{
			//FLAT, stick
			oldy = SC_GetStaticCollisionY();
		}
		else
		{
			//STEEP, slide
			x = x - oldx; z = z - oldz;
			oldx = SC_GetCollisionSlideX();
			oldy = SC_GetCollisionSlideY();
			oldz = SC_GetCollisionSlideZ();
			x = x + oldx; z = z + oldz;
		}
		
		//ny#<0 means the player has hit a ceiling rather than a floor
		
		if ( ny > g_slope )
		{
			//only on ground if standing on flat ground
			g_ground = 1;
			g_vy = 0;
		}
		else 
		{
			g_ground = 0;
			//if player has hit a flat ceiling then stop vy# movement
			if ( ny < -g_slope ) g_vy = g_gravity;
		}
	}
	else
	{
		//nothing below player, not on ground, add vertical speed to player
		oldy = oldy + g_vy;
		g_ground = 0;
	}
	
	//jumptimer will decrease only when player is back on ground
	//creates a pause between two successive jumps
	if ( g_ground == 1 && g_jumptimer > 0 ) g_jumptimer--;
	
	//handle horizontal movement as sliding
	//player only collides with group 1 (level) objs and moves freely through others
	collide = SC_SphereSlideGroup( 1, oldx,oldy,oldz, x,oldy,z, g_radius,0 );
	
	if ( collide > 0 )
	{
		//if hit, reposition player, halt movement vector
		x = SC_GetCollisionSlideX();
		oldy = SC_GetCollisionSlideY();
		z = SC_GetCollisionSlideZ();
		g_vx = 0;
		g_vz = 0;
		
		//possible code for giving the player a jumping help up stairs...
		//might be useful if slope# is set very high but stairs are still required
		//dy = oldy - SC_GetStaticCollisionY()
		//if ( dy < slope && dy > 0 && ground == 1 ) vy = 0.5;
	}
	
	//position the player
	dbPositionObject( g_plrobj,x,oldy,z );
	
	SC_UpdateObject( g_plrobj );
}

Variables.h :

/////Movement Vectors
#pragma once

// keyboard scancode defines - added these to help, makes iteasier to use 
// dbKeyState(Key_A) instead of dbKeyState(30) - makes it easier to see what is going on
#define Key_Escape 1
#define  Key_A 30
#define  Key_B 48
#define  Key_C 46
#define  Key_D 32
#define  Key_E 18
#define  Key_F 33
#define  Key_G 34
#define  Key_H 35
#define  Key_I 23
#define  Key_J 36
#define  Key_K 37
#define  Key_L 38
#define  Key_M 50
#define  Key_N 49
#define  Key_O 24
#define  Key_P 25
#define  Key_Q 16
#define  Key_R 19
#define  Key_S 31
#define  Key_T 20
#define  Key_U 22
#define  Key_V 47
#define  Key_W 17
#define  Key_X 45
#define  Key_Y 21
#define  Key_Z 44
#define  Key_F1 59
#define  Key_F2 60
#define  Key_F3 61
#define  Key_F4 62
#define  Key_F5 63
#define  Key_F6 64
#define  Key_F7 65
#define  Key_F8 66
#define  Key_F9 67
#define  Key_F10 68
#define  Key_LeftSingleQuote 41
#define  Key_1 2
#define  Key_2 3
#define  Key_3 4
#define  Key_4 5
#define  Key_5 6
#define  Key_6 7
#define  Key_7 8
#define  Key_8 9
#define  Key_9 10
#define  Key_0 11
#define  Key_Minus 12
#define  Key_Equal 13
#define  Key_BackSpace 14
#define  Key_Tab 15
#define  Key_LeftBracket 26
#define  Key_RightBracket 27
#define  Key_BackSlash 43
#define  Key_Enter 28
#define  Key_Caps 58
#define  Key_LShift 42
#define  Key_RShift 54
#define  Key_SemiColon 39
#define  Key_SingleQuote 40
#define  Key_Comma 51
#define  Key_Period 52
#define  Key_ForwardSlash 53
#define  Key_LWinKey 219
#define  Key_LAlt 56
#define  Key_RAlt 184
#define  Key_RWinKey 220
#define  Key_WinMenu 221
#define  Key_LCntl 29
#define  Key_RCntl 157
#define  Key_PrintScreen 183
#define  Key_ScrollLock 70
//#define  Key_Pause 197
#define  Key_Break 197
#define  Key_Ins 210
#define  Key_Del 211
#define  Key_Home 199
#define  Key_End 207
#define  Key_PgUp 201
#define  Key_PgDn 209
#define  Key_UpArrow 200
#define  Key_DownArrow 208
#define  Key_LeftArrow 203
#define  Key_RightArrow 205
#define  Key_NumLock 69
#define  Key_NumForwardSlash 181
#define  Key_NumStar 55
#define  Key_NumMinus 74
#define  Key_NumPlus 78
#define  Key_NumEnter 156
#define  Key_NumPeriod 83
#define  Key_Num1 79
#define  Key_Num2 80
#define  Key_Num3 81
#define  Key_Num4 75
#define  Key_Num5 76
#define  Key_Num6 77
#define  Key_Num7 71
#define  Key_Num8 72
#define  Key_Num9 73
#define  Key_Num0 82
#define  Key_SpaceBar   57
	// There is no real need to have these variables declared as externs here if you are not planning
	// on accessing them outside of the main program.
	// Also, when you declare an extern, you do it in the way I have here... extern decleration in the header,
	// variable definition in the code file.
	extern int g_rtimer; 
	extern int g_stimer; 
	extern int g_vtimer;

extern double g_vx;
	extern double g_vy; 
	extern double g_vz;

extern double g_x; 
	extern double g_y;
	extern double g_oldy; 
	extern double g_z;

extern double g_ox; 
	extern double g_oy; 
	extern double g_oz;

extern double g_ax; 
	extern double g_ay; 
	extern double g_az;

extern double g_newx;
	extern double g_newy;
	extern double g_newz;

extern double g_normx;
	extern double g_normy;
	extern double g_normz;

extern double g_runon;
	extern double g_radius;
	extern double g_fpsviewy;
	extern double g_gravity;
	extern double g_slope;

extern int g_ground;
	extern int g_jumptimer;
	/////User-Declared Variables
	extern int g_idle;
	extern int g_thirdperson;
	extern int g_firestate;
	extern int g_moving;
	extern int g_reloadstate;
	extern int g_framecheck;
	extern int g_movecheck;
	extern int g_muzzleflashtoggle;
	extern int g_counter;
	/////Object Number Variables
	extern int g_map;
	extern int g_plrobj;
	extern int g_skysphere;
	extern int g_skytex;
	/////G36C Variables
	extern int g_g36c;
	extern int g_g36cflash;

extern int g_g36cfire;
	extern int g_g36creload;
	extern int g_g36cdryfire;

extern int g_g36cflashtex;
	extern int g_g36cxhair;
	extern int g_g36choletex;

extern int g_g36cxhairs;

extern int g_accg36c;
	extern int g_g36cammo;
	extern int g_maxg36cammo;
	extern int g_g36cammoremain;
	extern int g_clipg36cammo;

void MakeLevel(void);
	void MakePlayer(void);
	void GunG36C(void);
	void MuzzleUpdate(void);
	void MovePlayer(void);
	void PositionCameraToObject(void);
	void MakeMinimap(void);
	void GunReloadG36C(void);
	void GunMovementG36C(void);

+ Code Snippet

	/////Movement Vectors
#pragma once 

// keyboard scancode defines - added these to help, makes iteasier to use 
// dbKeyState(Key_A) instead of dbKeyState(30) - makes it easier to see what is going on
#define Key_Escape 1
#define  Key_A 30
#define  Key_B 48
#define  Key_C 46
#define  Key_D 32
#define  Key_E 18
#define  Key_F 33
#define  Key_G 34
#define  Key_H 35
#define  Key_I 23
#define  Key_J 36
#define  Key_K 37
#define  Key_L 38
#define  Key_M 50
#define  Key_N 49
#define  Key_O 24
#define  Key_P 25
#define  Key_Q 16
#define  Key_R 19
#define  Key_S 31
#define  Key_T 20
#define  Key_U 22
#define  Key_V 47
#define  Key_W 17
#define  Key_X 45
#define  Key_Y 21
#define  Key_Z 44
#define  Key_F1 59
#define  Key_F2 60
#define  Key_F3 61
#define  Key_F4 62
#define  Key_F5 63
#define  Key_F6 64
#define  Key_F7 65
#define  Key_F8 66
#define  Key_F9 67
#define  Key_F10 68
#define  Key_LeftSingleQuote 41
#define  Key_1 2
#define  Key_2 3
#define  Key_3 4
#define  Key_4 5
#define  Key_5 6
#define  Key_6 7
#define  Key_7 8
#define  Key_8 9
#define  Key_9 10
#define  Key_0 11
#define  Key_Minus 12
#define  Key_Equal 13
#define  Key_BackSpace 14
#define  Key_Tab 15
#define  Key_LeftBracket 26
#define  Key_RightBracket 27
#define  Key_BackSlash 43
#define  Key_Enter 28
#define  Key_Caps 58
#define  Key_LShift 42
#define  Key_RShift 54
#define  Key_SemiColon 39
#define  Key_SingleQuote 40
#define  Key_Comma 51
#define  Key_Period 52
#define  Key_ForwardSlash 53
#define  Key_LWinKey 219
#define  Key_LAlt 56
#define  Key_RAlt 184
#define  Key_RWinKey 220
#define  Key_WinMenu 221
#define  Key_LCntl 29
#define  Key_RCntl 157
#define  Key_PrintScreen 183
#define  Key_ScrollLock 70
//#define  Key_Pause 197
#define  Key_Break 197
#define  Key_Ins 210
#define  Key_Del 211
#define  Key_Home 199
#define  Key_End 207
#define  Key_PgUp 201
#define  Key_PgDn 209
#define  Key_UpArrow 200
#define  Key_DownArrow 208
#define  Key_LeftArrow 203
#define  Key_RightArrow 205
#define  Key_NumLock 69
#define  Key_NumForwardSlash 181
#define  Key_NumStar 55
#define  Key_NumMinus 74
#define  Key_NumPlus 78
#define  Key_NumEnter 156
#define  Key_NumPeriod 83
#define  Key_Num1 79
#define  Key_Num2 80
#define  Key_Num3 81
#define  Key_Num4 75
#define  Key_Num5 76
#define  Key_Num6 77
#define  Key_Num7 71
#define  Key_Num8 72
#define  Key_Num9 73
#define  Key_Num0 82
#define  Key_SpaceBar   57
	// There is no real need to have these variables declared as externs here if you are not planning
	// on accessing them outside of the main program.
	// Also, when you declare an extern, you do it in the way I have here... extern decleration in the header,
	// variable definition in the code file.
	extern int g_rtimer; 
	extern int g_stimer; 
	extern int g_vtimer;

	extern double g_vx;
	extern double g_vy; 
	extern double g_vz;

	extern double g_x; 
	extern double g_y;
	extern double g_oldy; 
	extern double g_z; 

	extern double g_ox; 
	extern double g_oy; 
	extern double g_oz; 

	extern double g_ax; 
	extern double g_ay; 
	extern double g_az; 

	extern double g_newx;
	extern double g_newy;
	extern double g_newz;

	extern double g_normx;
	extern double g_normy;
	extern double g_normz;

	extern double g_runon;
	extern double g_radius;
	extern double g_fpsviewy;
	extern double g_gravity;
	extern double g_slope;

	extern int g_ground;
	extern int g_jumptimer;
	/////User-Declared Variables
	extern int g_idle;
	extern int g_thirdperson;
	extern int g_firestate;
	extern int g_moving;
	extern int g_reloadstate;
	extern int g_framecheck;
	extern int g_movecheck;
	extern int g_muzzleflashtoggle;
	extern int g_counter;
	/////Object Number Variables
	extern int g_map;
	extern int g_plrobj;
	extern int g_skysphere;
	extern int g_skytex;
	/////G36C Variables
	extern int g_g36c;
	extern int g_g36cflash;

	extern int g_g36cfire;
	extern int g_g36creload;
	extern int g_g36cdryfire;

	extern int g_g36cflashtex;
	extern int g_g36cxhair;
	extern int g_g36choletex;

	extern int g_g36cxhairs;

	extern int g_accg36c;
	extern int g_g36cammo;
	extern int g_maxg36cammo;
	extern int g_g36cammoremain;
	extern int g_clipg36cammo;

	void MakeLevel(void);
	void MakePlayer(void);
	void GunG36C(void);
	void MuzzleUpdate(void);
	void MovePlayer(void);
	void PositionCameraToObject(void);
	void MakeMinimap(void);
	void GunReloadG36C(void);
	void GunMovementG36C(void);

Hope this helps you. If something I have done to your code doesnt make sense, please ask, I only changed code logic where it was needed to get it running, the rest is left how you wrote it, some of it is ok, and some will need to be redone, ive commented about that too.

If it ain't broke.... DONT FIX IT !!!

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lil marioman

16

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Joined: 21st Apr 2008

Location: Canada

Posted: 6th Aug 2009 19:37 Edited at: 7th Aug 2009 04:11

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Thanks. It works fine.

I don't understand why the reload/Minimap isn't working though.
In DBP it works just fine. I'm pretty sure all I did was change variable names in DGDK..

DBP source is attached for whatever reason.

I'm scared of bugs. I mean that in more ways than one.

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Mista Wilson

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Joined: 27th Aug 2008

Location: Brisbane, Australia

Posted: 7th Aug 2009 03:46

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The camera wasnt working because in GDK, when you make a camera, you set it to be the "current camera" and that is what was happening.

Its not too hard to get around, and I think it was just some simple logic that was the problem, I didnt have the time to fix that though im sorry, i am glad its running for you though..

Best of luck getting everything else working too

If it ain't broke.... DONT FIX IT !!!

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