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Global Entitys?


SpiderPig
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I'm using C++ 2010, and I'm trying to make a function to rotate a car door, but the door model is loaded in the "main" function so that makes it local only to that function right?

How do I get other functions to recognize it too?

I've tried Initializing, setting up the graphics and loading the door before "main", but it doesn't work...

Any suggestions? :unsure:

(I'm rather new to both C++ and LeadWerks)

 

Thanks

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Here's The code I'm using,

Everything else works fine. It just doesn't know what 'TailGate' is,

 



#include "engine.h"

void UdateTailGate(void);
int TailGateAngle=0;
int TailGateStatus=0;

int main(int argc,char** argv)
{

Initialize();
Graphics(1024,768);
CreateWorld();


TEntity MainCam=CreateCamera();
PositionEntity(MainCam,Vec3(0,6,-7));
RotateEntity(MainCam,Vec3(30,0,0));


TLight MainLight=CreateSpotLight(20.0);
TLight MainLight2=CreateSpotLight(20.0);
PositionEntity(MainLight,Vec3(0,12,6));
PositionEntity(MainLight2,Vec3(0,12,-6));

SetShadowmapSize(MainLight,2000);
SetShadowmapSize(MainLight2,2000);
RotateEntity(MainLight,Vec3(90,0,0));
RotateEntity(MainLight2,Vec3(90,0,0));


TEntity Floor=CreatePlane();
ScaleEntity(Floor,Vec3(10,1,10));
TEntity Car=LoadModel("JeepMain.gmf");

TEntity Bonnet=LoadModel("Bonnet.gmf");
PositionEntity(Bonnet,Vec3(0.012,3.177,-1.297));
EntityParent(Bonnet,Car);

int BonnetAngle=0;
int BonnetStatus=0;//0-closed,1-open,2-opening,3-closeing



TEntity TailGate=LoadModel("TailGate.gmf");
PositionEntity(TailGate,Vec3(-1.105,2.249,4.578));
EntityParent(TailGate,Car);


TEntity SpareWheel=LoadModel("Wheel.gmf");
PositionEntity(SpareWheel,Vec3(0,2.293,5));
EntityParent(SpareWheel,TailGate);



TEntity LeftDoor=LoadModel("LeftDoor.gmf");
PositionEntity(LeftDoor,Vec3(1.975,2.669,-0.618));
EntityParent(LeftDoor,Car);





TBuffer Buffer=CreateBuffer(1024,768,BUFFER_COLOR|BUFFER_DEPTH|BUFFER_NORMAL);//buffer for teh lights
float CarAng=0.0;



while(!KeyHit(KEY_ESCAPE))
{

if(KeyHit(KEY_:unsure:==1)
{
if(BonnetStatus==0)
{
BonnetStatus=2;
}
else
{
if(BonnetStatus==1)
{
BonnetStatus=3;
}
}



}

if(BonnetStatus==2)
{
if(BonnetAngle<60)
{
BonnetAngle++;
RotateEntity(Bonnet,Vec3(BonnetAngle,0,0));
}
else
{
BonnetStatus=1;//open
}
}

if(BonnetStatus==3)
{
if(BonnetAngle>0)
{
BonnetAngle--;
RotateEntity(Bonnet,Vec3(BonnetAngle,0,0));
}
else
{
BonnetStatus=0;//closed
}
}


UdateTailGate();



RotateEntity(Car,Vec3(0,CarAng,0));
CarAng=CarAng-0.2;

UpdateWorld(1);
SetBuffer(Buffer);


RenderWorld(RENDER_ALL);
SetBuffer(BackBuffer());
RenderLights(Buffer);
SetBuffer(BackBuffer());


Flip(1);

}

Terminate();
return 0;

}





void UdateTailGate(void)
{

if(KeyHit(KEY_T)==1)
{
if(TailGateStatus==0)
{
TailGateStatus=2;
}
else
{
if(TailGateStatus==1)
{
TailGateStatus=3;
}
}
}


if(TailGateStatus==2)
{
if(TailGateAngle<100)
{
TailGateAngle++;
RotateEntity(TailGate,Vec3(0,TailGateAngle,0));//Tailgate is an undeclared Identifier
}
else
{
TailGateStatus=1;//open
}
}

if(TailGateStatus==3)
{
if(TailGateAngle>0)
{
TailGateAngle--;
RotateEntity(TailGate,Vec3(0,TailGateAngle,0));
}
else
{
TailGateStatus=0;//closed
}
}
};

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You need to declare the global variables before the functions which use them, and please use the code tag in the forum when you paste code:

int TailGateAngle=0;
int TailGateStatus=0;
void UdateTailGate(void);

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You know, just as I posted that I thought, "I know how to fix that," :unsure:

At the beginning of the code (before 'main') i added : TEntity Tailgate;

 

Then when I load the model instead of TEntity TailGate=LoadModel("TailGate.gmf");

I just used : TailGate=LoadModel("TailGate.gmf");!!!!

And it works fine....(I feel stupid)

Thanks though!! :blink:

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