Regarding passing memory variable to transaction

Hi All,
I have issue regarding passing memory variable to transaction CO02.
Here i have to create a program in that i have to
1. Create a memory variable, ZPPI0601_SOL and set it to X.
2. Then i need to call transaction CO02, here this transaction will hit one USER-EXIT. in that program
i need to do following
3.Activate the user exit for transaction CO01, CO07, CO10, CO40 and CO41 or if (memory variable, ZPPI0601_SOL = X and Transaction code = CO02)
then some code will be there that will be processed.
and then
4.If (memory variable, ZPPI0601_SOL = X and Transaction code = CO02): SAP does not provide the values in the user-exit, so we need to get these from the tables:
i)For RESB-RSNUM = HEADER_TABLE-RSNUM and RESB-XLOEK = and RESB-KZEAR = and RESB-BDMNG > 0, get RSPOS, MATNR and BDMNG (these are fields the user-exit gets which corresponds to C04 to C06 in the spreadsheet). Pass these fields thru the same routine as the user-exit (ex: to convert the MATNR to legacy part#).
Then after finishing USER-EXIT part as above i need to come back to my main program and do following.
5.After all records have been processed, set memory variable, ZPPI0601_SOL = . Exit
Can any body tell me how can i do the above.
Thanks in advance.
Thanks & Regards,
Rayeez.

Hi Shaik,
export Sy-TCODE TO MEMORY ID 'ZTCODE'.
Then in use the following in the user exit.
Data: ZTCODE type SY-TCODE.
import ZTCODE FROM MEMORY ID 'ZTCODE'.
If you want to activate your user exit only in Change/Display mode.
You can try
IF T180-TRTYP <> 'H'.
Endif.
Lanka
Message was edited by: Lanka Murthy

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Hi!
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#######raycaster.c##########
AS3_Val loop( void* self, AS3_Val args )
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 CastRay();
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####Main.as######
 private function enterFrame(event:Event):void {
 alcRCLib.loop(upKey,downKey,leftKey,rightKey);
 alchemyMemory.position=alcScreenBufferPointer;
 screenBitmapData.setPixels(screenBitmapData.rect,alchemyMemory);
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to get a array of images for a topdown game, and i wouldn't know how to load these variables to C from a HTTP request but if i can get flash to tell c what they are then every thing worked out
heres both codes in full
#####Main.as####
*Alchemy Ray Caster
*April 6, 2010
*Bruce Jawn
*http://bruce-lab.blogspot.com
*Copyright (c) <2010> <Bruce Jawn>
*This software is released under the MIT License
*<http://www.opensource.org/licenses/mit-license.php>
package {
// import cmodule.Ray_Caster._worldMap;
// import cmodule.Ray_Caster._worldMap;
 import cmodule.Ray_Caster.CLibInit;
// import cmodule.Ray_Caster.TextFieldI;
 import flash.display.*;
 import flash.text.*;
 import flash.events.*;
 import flash.geom.*;
 import flash.text.engine.TextBlock;
 import flash.text.engine.TextLine;
 import flash.text.TextField;
 import flash.utils.*;
 import flash.ui.*;
 [SWF(width="840", height="880")]
 public class Main extends Sprite {
 [Embed(source="../wolftex/barrel.png")]
 public static var barrelClass:Class;
 [Embed(source="../wolftex/bluestone.png")]
 public static var bluestoneClass:Class;
 [Embed(source="../wolftex/colorstone.png")]
 public static var colorstoneClass:Class;
 [Embed(source="../wolftex/eagle.png")]
 public static var eagleClass:Class;
 [Embed(source="../wolftex/greenlight.png")]
 public static var greenlightClass:Class;
 [Embed(source="../wolftex/greystone.png")]
 public static var greystoneClass:Class;
 [Embed(source="../wolftex/mossy.png")]
 public static var mossyClass:Class;
 [Embed(source="../wolftex/pillar.png")]
 public static var pillarClass:Class;
 [Embed(source="../wolftex/purplestone.png")]
 public static var purplestoneClass:Class;
 [Embed(source="../wolftex/redbrick.png")]
 public static var redbrickClass:Class;
 [Embed(source="../wolftex/wood.png")]
 public static var woodClass:Class;
 //Array to hold all the textures
 private var texs:Array=[];
 private var worldMap:Array = [];
 //private var worldMap[1]:Array=[];
 private static const SCREEN_WIDTH:int=640;
 private static const SCREEN_HEIGHT:int=480;
 private var screenBitmapData:BitmapData;
 private var screenBitmap:Bitmap;
 private var alchemyMemory:ByteArray;
 private var alcRCLib:Object;
 private var cLibInit:CLibInit;
 private var alcScreenBufferPointer:uint;
 private var alcTexPointer:uint;
 private var upKey:int=0;
 private var downKey:int=0;
 private var leftKey:int=0;
 private var rightKey:int=0;
 private var a:flash.text.TextField;
 public function Main() {
 stage.frameRate=60;
 stage.align=StageAlign.TOP_LEFT;
 stage.scaleMode=StageScaleMode.NO_SCALE;
 stage.fullScreenSourceRect=new Rectangle(0,0,SCREEN_WIDTH,SCREEN_HEIGHT);
 init();
 }//end of function Main
 private function init():void {
 initBitmaps();
 initAlchemy();
 initRendering();
 }//end of function init
 private function initBitmaps():void {
 texs.push(prepareBitmapData(new eagleClass().bitmapData ));
 texs.push(prepareBitmapData(new redbrickClass().bitmapData ));
 texs.push(prepareBitmapData(new purplestoneClass().bitmapData ));
 texs.push(prepareBitmapData(new greystoneClass().bitmapData ));
 texs.push(prepareBitmapData(new bluestoneClass().bitmapData ));
 texs.push(prepareBitmapData(new mossyClass().bitmapData ));
 texs.push(prepareBitmapData(new woodClass().bitmapData ));
 texs.push(prepareBitmapData(new colorstoneClass().bitmapData ));
 texs.push(prepareBitmapData(new barrelClass().bitmapData ));
 texs.push(prepareBitmapData(new pillarClass().bitmapData ));
 texs.push(prepareBitmapData(new greenlightClass().bitmapData ));
 screenBitmapData=new BitmapData(SCREEN_WIDTH,SCREEN_HEIGHT,false,0);
 screenBitmap=new Bitmap(screenBitmapData);
 addChild(screenBitmap);
 worldMap[1] = (1,2,3,4);
 worldMap[2] = (1,2,3,4);
 worldMap[3] = (1,2,3,4);
 worldMap[4] = (1,2,3,4);
 worldMap[5] = (1,2,3,4);
 worldMap[6] = (1,2,3,4);
 worldMap[7] = (1,2,3,4);
 }//end of function initBitmaps
 //Prepare the bitmap once to take into account the lower-endianess of the alchemy code.
 private function prepareBitmapData(sourceMap:BitmapData):BitmapData {
 var outBitmapData:BitmapData=sourceMap.clone();
 outBitmapData=new BitmapData(outBitmapData.width,outBitmapData.height,true,0xFF000000);
 outBitmapData.copyChannel(sourceMap,outBitmapData.rect,outBitmapData.rect.topLeft,BitmapD ataChannel.ALPHA,BitmapDataChannel.BLUE);
 outBitmapData.copyChannel(sourceMap,outBitmapData.rect,outBitmapData.rect.topLeft,BitmapD ataChannel.RED,BitmapDataChannel.GREEN);
 outBitmapData.copyChannel(sourceMap,outBitmapData.rect,outBitmapData.rect.topLeft,BitmapD ataChannel.GREEN,BitmapDataChannel.RED);
 outBitmapData.copyChannel(sourceMap,outBitmapData.rect,outBitmapData.rect.topLeft,BitmapD ataChannel.BLUE,BitmapDataChannel.ALPHA);
 return outBitmapData;
 }//end of function prepareBitmapData
 private function initAlchemy():void {
 cLibInit=new CLibInit ;
 alcRCLib=cLibInit.init();
 //Retrieve the "Alchemy Memory".
 var ns:Namespace=new Namespace("cmodule.Ray_Caster");
 alchemyMemory=ns::gstate.ds;
 //Allocate the buffers in Alchemy.
 alcScreenBufferPointer=alcRCLib.initializeScreenBuffer(SCREEN_WIDTH,SCREEN_HEIGHT);//Setu p a screenbuffer of size x,y;
 //Copy the textures to alchemy memory.
 for (var i:int=0; i<11; i++) {
 var ba:ByteArray=texs[i].getPixels(texs[i].rect);
 alcTexPointer=alcRCLib.initializeTexBuffer(i);
 alchemyMemory.position=alcTexPointer;
 alchemyMemory.writeBytes(ba,0,ba.length);
 }//end of for
 }//end of function initAlchemy
 private function initRendering():void {
 stage.addEventListener(KeyboardEvent.KEY_DOWN,key_pressed);
 stage.addEventListener(KeyboardEvent.KEY_UP,key_released);
 addEventListener(Event.ENTER_FRAME,enterFrame);
 }//end of function initRendering
 private function enterFrame(event:Event):void {
 alcRCLib.loop(upKey,downKey,leftKey,rightKey);
 alchemyMemory.position=alcScreenBufferPointer;
 screenBitmapData.setPixels(screenBitmapData.rect,alchemyMemory);
 }//end of function enterFrame
 private function key_pressed(e:KeyboardEvent):void {
 switch (e.keyCode) {
 case Keyboard.UP :
 upKey=1;
 break;
 case Keyboard.DOWN :
 downKey=1;
 break;
 case Keyboard.LEFT :
 leftKey=1;
 break;
 case Keyboard.RIGHT :
 rightKey=1;
 break;
 }//end of switch
 }//end of function key_pressed
 private function key_released(e:KeyboardEvent):void {
 switch (e.keyCode) {
 case Keyboard.UP :
 upKey=0;
 break;
 case Keyboard.DOWN :
 downKey=0;
 break;
 case Keyboard.LEFT :
 leftKey=0;
 break;
 case Keyboard.RIGHT :
 rightKey=0;
 break;
 }//end of switch
 }//end of function key_released
 }//end of class
}//end of package
###raycaster####
//Raycasting Engine from Lode's Computer Graphics Tutorial
//http://www.student.kuleuven.be/~m0216922/CG/raycasting.html
//Modified for Alchemy by Bruce Jawn
//http://bruce-lab.blogspot.com
#include "AS3.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//============================================================
//============================================================
enum bool {false=0,true=!false};
#define screenWidth 1640
#define screenHeight 1480
#define texWidth 64
#define texHeight 64
#define mapWidth 24
#define mapHeight 24
//1D Screen Buffer
int* tBuffer;
int resX = 0;
int resY = 0;
//2D Screen Buffer
int buffer[screenWidth][screenHeight];
//1D Zbuffer
double ZBuffer[screenWidth];
//============================================================
//============================================================
//textures
int texture[11][texWidth*texHeight];
#define numSprites 19
//arrays used to sort the sprites
int spriteOrder[numSprites];
double spriteDistance[numSprites];
struct SSprite
double x;
double y;
int texture;
struct SSprite sprite[numSprites]=
//green light in front of playerstart
{20.5, 11.5, 10},
//green lights in every room
{18.5,4.5, 10},
{10.0,4.5, 10},
{10.0,12.5,10},
{3.5, 6.5, 10},
{3.5, 20.5,10},
{3.5, 14.5,10},
{14.5,20.5,10},
//row of pillars in front of wall: fisheye test
{18.5, 10.5, 9},
{18.5, 11.5, 9},
{18.5, 12.5, 9},
//some barrels around the map
{21.5, 1.5, 8},
{15.5, 1.5, 8},
{16.0, 1.8, 8},
{16.2, 1.2, 8},
{3.5, 2.5, 8},
{9.5, 15.5, 8},
{10.0, 15.1,8},
{10.5, 15.8,8},
//============================================================
//============================================================
//map
int worldMap[mapWidth][mapHeight] =
{8,8,8,8,8,8,8,8,8,8,8,4,4,6,4,4,6,4,6,4,4,4,6,4},
{8,0,0,0,0,0,0,0,0,0,8,4,0,0,0,0,0,0,0,0,0,0,0,4},
{8,0,3,3,0,0,0,0,0,8,8,4,0,0,0,0,0,0,0,0,0,0,0,6},
{8,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6},
{8,0,3,3,0,0,0,0,0,8,8,4,0,0,0,0,0,0,0,0,0,0,0,4},
{8,0,0,0,0,0,0,0,0,0,8,4,0,0,0,0,0,6,6,6,0,6,4,6},
{8,8,8,8,0,8,8,8,8,8,8,4,4,4,4,4,4,6,0,0,0,0,0,6},
{7,7,7,7,0,7,7,7,7,0,8,0,8,0,8,0,8,4,0,4,0,6,0,6},
{7,7,0,0,0,0,0,0,7,8,0,8,0,8,0,8,8,6,0,0,0,0,0,6},
{7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,6,0,0,0,0,0,4},
{7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,6,0,6,0,6,0,6},
{7,7,0,0,0,0,0,0,7,8,0,8,0,8,0,8,8,6,4,6,0,6,6,6},
{7,7,7,7,0,7,7,7,7,8,8,4,0,6,8,4,8,3,3,3,0,3,3,3},
{2,2,2,2,0,2,2,2,2,4,6,4,0,0,6,0,6,3,0,0,0,0,0,3},
{2,2,0,0,0,0,0,2,2,4,0,0,0,0,0,0,4,3,0,0,0,0,0,3},
{2,0,0,0,0,0,0,0,2,4,0,0,0,0,0,0,4,3,0,0,0,0,0,3},
{1,0,0,0,0,0,0,0,1,4,4,4,4,4,6,0,6,3,3,0,0,0,3,3},
{2,0,0,0,0,0,0,0,2,2,2,1,2,2,2,6,6,0,0,5,0,5,0,5},
{2,2,0,0,0,0,0,2,2,2,0,0,0,2,2,0,5,0,5,0,0,0,5,5},
{2,0,0,0,0,0,0,0,2,0,0,0,0,0,2,5,0,5,0,5,0,5,0,5},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5},
{2,0,0,0,0,0,0,0,2,0,0,0,0,0,2,5,0,5,0,5,0,5,0,5},
{2,2,0,0,0,0,0,2,2,2,0,0,0,2,2,0,5,0,5,0,0,0,5,5},
{2,2,2,2,1,2,2,2,2,2,2,1,2,2,2,5,5,5,5,5,5,5,5,5}
//============================================================
//============================================================
double posX = 22.0, posY = 11.5; //x and y start position
double dirX = -1.0, dirY = 0.0; //initial direction vector
double planeX = 0.0, planeY = 0.66; //the 2d raycaster version of camera plane
int K_LEFT=0;
int K_RIGHT=0;
int K_UP=0;
int K_DOWN=0;
//speed modifiers
double moveSpeed = .30; //the constant value is in squares/second
double rotSpeed = .20; //the constant value is in radians/second
//============================================================
//============================================================
AS3_Val initializeScreenBuffer(void* self, AS3_Val args)
 AS3_ArrayValue(args, "IntType, IntType", &resX, &resY);
 tBuffer = malloc( resX * resY * sizeof(int) );
 return AS3_Ptr( tBuffer );
}//end of initializeScreenBuffer
//used to load some textures & sprite textures
AS3_Val initializeTexBuffer(void* self, AS3_Val args)
 int index;
 AS3_ArrayValue(args, "IntType", &index);
 return AS3_Ptr( texture[index] );
}//end of initializeTexBuffer
//start the main loop
AS3_Val loop( void* self, AS3_Val args )
 AS3_ArrayValue(args,"IntType,IntType,IntType,IntType",&K_UP,&K_DOWN,&K_LEFT,&K_RIGHT);
 CastRay();
 int opos,j,i,jpos;
 for(j=0; j < resY; j++ ){
 jpos = resX*j;
 for(i=0; i < resX; i++ ){
 opos = (jpos+i);
 tBuffer[opos] = buffer[i][j];
 }//end of for
 }//end of for
 return 0;
}//end of loop
int main()
 AS3_Val initializeScreenBufferMethod = AS3_Function( NULL,initializeScreenBuffer );
 AS3_Val loopMethod = AS3_Function( NULL,loop );
 AS3_Val initializeTexBufferMethod = AS3_Function( NULL,initializeTexBuffer );
 AS3_Val result = AS3_Object("initializeScreenBuffer:AS3ValType,loop:AS3ValType,initializeTexBuffer:AS3ValT ype"
 ,initializeScreenBufferMethod,loopMethod,initializeTexBufferMethod);
 AS3_Release( initializeScreenBufferMethod );
 AS3_Release( loopMethod );
 AS3_Release( initializeTexBufferMethod );
 AS3_LibInit( result );
 return 0;
}//end of main
//================================================================
//================================================================
void CastRay()
 printf ("Hello World!\n");
 int x;
 int y;
 int w=screenWidth;
 int h=screenHeight;
 for( x = 0; x < screenWidth; x++) for( y = 0; y < screenHeight; y++) {buffer[x][y] = 0;} //clear the buffer instead of cls()
 for(x = 0; x < w; x++)
 //calculate ray position and direction
 double cameraX = 2 * x / (double)(w) - 1; //x-coordinate in camera space
 double rayPosX = posX;
 double rayPosY = posY;
 double rayDirX = dirX + planeX * cameraX;
 double rayDirY = dirY + planeY * cameraX;
 //which box of the map we're in
 int mapX = (int)(rayPosX);
 int mapY = (int)(rayPosY);
 //length of ray from current position to next x or y-side
 double sideDistX;
 double sideDistY;
 //length of ray from one x or y-side to next x or y-side
 double deltaDistX = sqrt(1 + (rayDirY * rayDirY) / (rayDirX * rayDirX));
 double deltaDistY = sqrt(1 + (rayDirX * rayDirX) / (rayDirY * rayDirY));
 double perpWallDist;
 //what direction to step in x or y-direction (either +1 or -1)
 int stepX;
 int stepY;
 int hit = 0; //was there a wall hit?
 int side; //was a NS or a EW wall hit?
 //calculate step and initial sideDist
 if (rayDirX < 0)
 stepX = -1;
 sideDistX = (rayPosX - mapX) * deltaDistX;
 }//end of if (rayDirX < 0)
 else
 stepX = 1;
 sideDistX = (mapX + 1.0 - rayPosX) * deltaDistX;
 }//end of else
 if (rayDirY < 0)
 stepY = -1;
 sideDistY = (rayPosY - mapY) * deltaDistY;
 }//end of if (rayDirY < 0)
 else
 stepY = 1;
 sideDistY = (mapY + 1.0 - rayPosY) * deltaDistY;
 }//end of else
 //perform DDA
 while (hit == 0)
 //jump to next map square, OR in x-direction, OR in y-direction
 if (sideDistX < sideDistY)
 sideDistX += deltaDistX;
 mapX += stepX;
 side = 0;
 }//end of if (sideDistX < sideDistY)
 else
 sideDistY += deltaDistY;
 mapY += stepY;
 side = 1;
 }//end of else
 //Check if ray has hit a wall
 if (worldMap[mapX][mapY] > 0) hit = 1;
 }//end of while (hit == 0)
 //Calculate distance of perpendicular ray (oblique distance will give fisheye effect!)
 if (side == 0) perpWallDist = fabs((mapX - rayPosX + (1 - stepX) / 2) / rayDirX);
 else perpWallDist = fabs((mapY - rayPosY + (1 - stepY) / 2) / rayDirY);
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 int lineHeight = abs((int)(h / perpWallDist));
 //calculate lowest and highest pixel to fill in current stripe
 int drawStart = -lineHeight / 2 + h / 2;
 if(drawStart < 0) drawStart = 0;
 int drawEnd = lineHeight / 2 + h / 2;
 if(drawEnd >= h) drawEnd = h - 1;
 //texturing calculations
 int texNum = worldMap[mapX][mapY] - 1; //1 subtracted from it so that texture 0 can be used!
 //calculate value of wallX
 double wallX; //where exactly the wall was hit
 if (side == 1) wallX = rayPosX + ((mapY - rayPosY + (1 - stepY) / 2) / rayDirY) * rayDirX;
 else wallX = rayPosY + ((mapX - rayPosX + (1 - stepX) / 2) / rayDirX) * rayDirY;
 wallX -= floor((wallX));
 //x coordinate on the texture
 int texX = (int)(wallX * (double)(texWidth));
 if(side == 0 && rayDirX > 0) texX = texWidth - texX - 1;
 if(side == 1 && rayDirY < 0) texX = texWidth - texX - 1;
 int y;
 for(y = drawStart; y < drawEnd; y++)
 int d = y * 256 - h * 128 + lineHeight * 128; //256 and 128 factors to avoid floats
 int texY = ((d * texHeight) / lineHeight) / 256;
 int color = texture[texNum][texWidth * texY + texX];
 //make color darker for y-sides: R, G and B byte each divided through two with a "shift" and an "and"
 if(side == 1) color = (color >> 1) & 8355711;
 buffer[x][y] = color;
 }//end of for(y = drawStart; y < drawEnd; y++)
 //SET THE ZBUFFER FOR THE SPRITE CASTING
 ZBuffer[x] = perpWallDist; //perpendicular distance is used
 //FLOOR CASTING
 double floorXWall, floorYWall; //x, y position of the floor texel at the bottom of the wall
 //4 different wall directions possible
 if(side == 0 && rayDirX > 0)
 floorXWall = mapX;
 floorYWall = mapY + wallX;
 }//end of if(side == 0 && rayDirX > 0)
 else if(side == 0 && rayDirX < 0)
 floorXWall = mapX + 1.0;
 floorYWall = mapY + wallX;
 }//end of else if(side == 0 && rayDirX < 0)
 else if(side == 1 && rayDirY > 0)
 floorXWall = mapX + wallX;
 floorYWall = mapY;
 }//end of else if(side == 1 && rayDirY > 0)
 else
 floorXWall = mapX + wallX;
 floorYWall = mapY + 1.0;
 }//end of else
 double distWall, distPlayer, currentDist;
 distWall = perpWallDist;
 distPlayer = 0.0;
 if (drawEnd < 0) drawEnd = h; //becomes < 0 when the integer overflows
 //draw the floor from drawEnd to the bottom of the screen
 for(y = drawEnd + 1; y < h; y++)
 currentDist = h / (2.0 * y - h); //you could make a small lookup table for this instead
 double weight = (currentDist - distPlayer) / (distWall - distPlayer);
 double currentFloorX = weight * floorXWall + (1.0 - weight) * posX;
 double currentFloorY = weight * floorYWall + (1.0 - weight) * posY;
 int floorTexX, floorTexY;
 floorTexX = (int)(currentFloorX * texWidth) % texWidth;
 floorTexY = (int)(currentFloorY * texHeight) % texHeight;
 //floor
 buffer[x][y] = (texture[3][texWidth * floorTexY + floorTexX] >> 1) & 8355711;
 //ceiling (symmetrical!)
 buffer[x][h - y] = texture[6][texWidth * floorTexY + floorTexX];
 }//end of for(y = drawEnd + 1; y < h; y++)
 }//end of for(x = 0; x < w; x++)
 //SPRITE CASTING
 //sort sprites from far to close
 int i;
 for(i = 0; i < numSprites; i++)
 spriteOrder[i] = i;
 spriteDistance[i] = ((posX - sprite[i].x) * (posX - sprite[i].x) + (posY - sprite[i].y) * (posY - sprite[i].y)); //sqrt not taken, unneeded
 }//end of for(i = 0; i < numSprites; i++)
 combSort(spriteOrder, spriteDistance, numSprites);
 //after sorting the sprites, do the projection and draw them
 for(i = 0; i < numSprites; i++)
 //translate sprite position to relative to camera
 double spriteX = sprite[spriteOrder[i]].x - posX;
 double spriteY = sprite[spriteOrder[i]].y - posY;
 //transform sprite with the inverse camera matrix
 // [ planeX dirX ] -1 [ dirY -dirX ]
 // [ ] = 1/(planeX*dirY-dirX*planeY) * [ ]
 // [ planeY dirY ] [ -planeY planeX ]
 double invDet = 1.0 / (planeX * dirY - dirX * planeY); //required for correct matrix multiplication
 double transformX = invDet * (dirY * spriteX - dirX * spriteY);
 double transformY = invDet * (-planeY * spriteX + planeX * spriteY); //this is actually the depth inside the screen, that what Z is in 3D
 int spriteScreenX = (int)((w / 2) * (1 + transformX / transformY));
 //parameters for scaling and moving the sprites
 #define uDiv 1
 #define vDiv 1
 #define vMove 0.0
 int vMoveScreen = (int)(vMove / transformY);
 //calculate height of the sprite on screen
 int spriteHeight = abs((int)(h / (transformY))) / vDiv; //using "transformY" instead of the real distance prevents fisheye
 //calculate lowest and highest pixel to fill in current stripe
 int drawStartY = -spriteHeight / 2 + h / 2 + vMoveScreen;
 if(drawStartY < 0) drawStartY = 0;
 int drawEndY = spriteHeight / 2 + h / 2 + vMoveScreen;
 if(drawEndY >= h) drawEndY = h - 1;
 //calculate width of the sprite
 int spriteWidth = abs( (int) (h / (transformY))) / uDiv;
 int drawStartX = -spriteWidth / 2 + spriteScreenX;
 if(drawStartX < 0) drawStartX = 0;
 int drawEndX = spriteWidth / 2 + spriteScreenX;
 if(drawEndX >= w) drawEndX = w - 1;
 //loop through every vertical stripe of the sprite on screen
 int stripe;
 for(stripe = drawStartX; stripe < drawEndX; stripe++)
 int texX = (int)(256 * (stripe - (-spriteWidth / 2 + spriteScreenX)) * texWidth / spriteWidth) / 256;
 //the conditions in the if are:
 //1) it's in front of camera plane so you don't see things behind you
 //2) it's on the screen (left)
 //3) it's on the screen (right)
 //4) ZBuffer, with perpendicular distance
 int y;
 if(transformY > 0 && stripe > 0 && stripe < w && transformY < ZBuffer[stripe])
 for(y = drawStartY; y < drawEndY; y++) //for every pixel of the current stripe
 int d = (y-vMoveScreen) * 256 - h * 128 + spriteHeight * 128; //256 and 128 factors to avoid floats
 int texY = ((d * texHeight) / spriteHeight) / 256;
 unsigned int color = texture[sprite[spriteOrder[i]].texture][texWidth * texY + texX]; //get current color from the texture//??????????????????
 if((color & 0x00FFFFFF) != 0) buffer[stripe][y] = color; //paint pixel if it isn't black, black is the invisible color
 }//end of for(y = drawStartY; y < drawEndY; y++)
 }//end of for(stripe = drawStartX; stripe < drawEndX; stripe++)
 }//end of for(i = 0; i < numSprites; i++)
 //readKeys
 //move forward if no wall in front of you
 if (K_UP)
 if(worldMap[(int)(posX + dirX * moveSpeed)][(int)(posY)] == false) posX += dirX * moveSpeed;
 if(worldMap[(int)(posX)][(int)(posY + dirY * moveSpeed)] == false) posY += dirY * moveSpeed;
 }//end of if (K_UP)
 //move backwards if no wall behind you
 if (K_DOWN)
 if(worldMap[(int)(posX - dirX * moveSpeed)][(int)(posY)] == false) posX -= dirX * moveSpeed;
 if(worldMap[(int)(posX)][(int)(posY - dirY * moveSpeed)] == false) posY -= dirY * moveSpeed;
 }//end of if (K_DOWN)
 //rotate to the right
 if (K_RIGHT)
 //both camera direction and camera plane must be rotated
 double oldDirX = dirX;
 dirX = dirX * cos(-rotSpeed) - dirY * sin(-rotSpeed);
 dirY = oldDirX * sin(-rotSpeed) + dirY * cos(-rotSpeed);
 double oldPlaneX = planeX;
 planeX = planeX * cos(-rotSpeed) - planeY * sin(-rotSpeed);
 planeY = oldPlaneX * sin(-rotSpeed) + planeY * cos(-rotSpeed);
 }//end of if (K_RIGHT)
 //rotate to the left
 if (K_LEFT)
 //both camera direction and camera plane must be rotated
 double oldDirX = dirX;
 dirX = dirX * cos(rotSpeed) - dirY * sin(rotSpeed);
 dirY = oldDirX * sin(rotSpeed) + dirY * cos(rotSpeed);
 double oldPlaneX = planeX;
 planeX = planeX * cos(rotSpeed) - planeY * sin(rotSpeed);
 planeY = oldPlaneX * sin(rotSpeed) + planeY * cos(rotSpeed);
 }//end of if (K_LEFT)
}//end of CastRay
//sort algorithm
void combSort(int* order, double* dist, int amount)
int gap = amount;
enum bool swapped = false;
while(gap > 1 || swapped)
 //shrink factor 1.3
 gap = (gap * 10) / 13;
 if(gap == 9 || gap == 10) gap = 11;
 if (gap < 1) gap = 1;
 swapped = false;
 int i;
 for (i = 0; i < amount - gap; i++)
 int j = i + gap;
 if (dist[i] < dist[j])
 double disttemp=dist[i];
 dist[i]=dist[j];
 dist[j]=disttemp;
 int ordertemp=order[i];
 order[i]=order[j];
 order[j]=ordertemp;
 swapped = true;
 }//end of if (dist[i] < dist[j])
 }//end of for (i = 0; i < amount - gap; i++)
}//end of while(gap > 1 || swapped)
}//end of combSort
the sorce file can be found here http://bruce-lab.blogspot.com/2010/04/alchemy-ray-casting-engine-source-code.html

RadioactiveLizard, you need adobe alchemy (http://labs.adobe.com/technologies/alchemy/) to compile the C code to a swc,
not pass variables to C directly.

Passing a variable from one thread to another

Hi. I'm trying to produce a chat program in Java but need to pass a variable between two threads. I have included a snipet of the code.
import java.io.*;
import java.net.*;
class IndividualConnection extends Thread
 public Socket clientSocket;
 String userName = "";
 public IndividualConnection(Socket connectingSocket)
 clientSocket = connectingSocket;
public login(String name)
userName = name;
 public void messageUser(Socket socket, String msg)
 try
 Socket newSocket = new Socket("192.168.0.162",5163);
 DataOutputStream outToServer = new DataOutputStream(socket.getOutputStream());
 outToServer.writeBytes(msg + '\n');
 catch(Exception e)
 System.out.println("The connection with the client has been closed.");
 this.stop();
public void run()
 Socket global = clientSocket;
// etc etc
A number of threads are created based on code similar to the above. Each thread communicates to a different client on the chat program. However, I want to be able to send messages between the clients.
Each thread has a method called messageUser(Socket socket, String msg). I should (hopefully) be able to send a message to anyone using the prog if I can access their socket. The problem is that the socket objects for each client is held in the clients own thread. I have tried writing some code to find the Socket object in another thread but to no success. The code I am trying is shown below.
 public Socket findContact(String name)
 ThreadGroup currentGroup = Thread.currentThread().getThreadGroup();
 int numThreads = currentGroup.activeCount();
 Thread[] listOfThreads = new Thread[numThreads];
 currentGroup.enumerate(listOfThreads);
 for (int i = 0; i < numThreads; i++)
 String threadName = listOfThreads.getName();
 if (threadName.compareTo(name) == 0)
 // Socket tempSocket = threadName[i].getClass().getField(clientSocket);
 return tempSocket;
The line I have commented out does not work. Please could someone tell me how to carry out this task. I have spent many hours trying to solve this but am not able to. The chat server is nearly complete now. I just need to find a way of obtaining another threads socket.
I hope the problem is comprehensible. I have found it difficult to explain clearly. Many thanks.

Really simple, inelegant solution:
class MyThread extends Thread {
Socket socket;
MyThread( Socket s ) { socket = s; }
public Socket getSocket() { return socket; }
}Better: create a master object that includes an array
of sockets. Each time you create a Thread, update the
master object's list of sockets with a reference to
each Thread's socket. Under the current memory model, the socket field should be declared volatile. The proposed new memory model will guarantee that this will work if the socket field is declared final.
Sylvia.

Passing dynamic variable from html to Flash

I know this is pretty simple but all that I have read doesn't make much sense to me. I have one swf calling another swf that I have embedded into an htnl. In other words just calling another html page in a seperate window.
In one.swf (runing in broswer) I use the below to call another html page passing the variable NewLessonArray. This contains an array of completed chapters.
// LOADING URL
var NewLessonCompleteArray:String = LessonCompleteArray.toString();
navigateToURL(new URLRequest("two/index.html?CurrentLessonInfo=<NewLessonCompleteArray>"), "_blank");
In the receiving swf I want to retrieve the passing parameters.
two.swf
// Getting the parameters passed
this.loaderInfo.parameters.toString()
All that is returned that I can see is object Object. But since I am passing on a address line into another swf embedded in a html page I am unable to determine that correct syntac for retrieving the information.
Any suggestions? This has got to be pretty simple... I think.
THANKS

What you are trying to do is not extremely difficult to do, but it is not something I would consider as being simple. With Andrei's approach you should be able to take the url String and dissect the parameters from it using String methods, like split().
As for the loaderInfo end of things, you are not passing the parameters to the swf file, you are passing them to the html page. So the loaderInfo won't have any info for you regarding the url parameters. The loadInfo would typically get parameters via the FlashVars parameters passed in in the html's swf embedding code.
Here are some other solutions that you might consider. I have not dealt with these myself, they are merely in my collection of useful info, so you might have to experiment to get them working. One is a link to a class-based approach and the other is an approach that use swfObject embedding to dynamically add the parameters as FlashVars to the embedding code....
http://mikethenderson.com/2009/02/as3-return-query-string-value-version-2/#more-105
OR
In your HTML:
var flashvars = {};
if (swfobject.getQueryParamValue("aParameter")) {
flashvars.param = swfobject.getQueryParamValue("aParameter");
swfobject.embedSWF("myMovie.swf", "myContent", "550", "400", "9.0.0", "", flashvars);
And the param variable will be available as a FlashVar to your movie:
var theParam = loaderInfo.parameters.param;

How can i pass a variable's value from PR to PFR

Dear all,
hope you are fine.
i would like to pass a variable's value from PR to PFR.
how can i do that.
please suggest.
in PR:
String transactionId = (String) vo_trans.first().getAttribute("Getnexttrans");
i would like to get this value to PFR.

Mofizur,
You can achieve the same using Session variable.
If u are not executing the VO after PR. Then you will be able to get the same value as u are using in PR
String transactionId = (String) vo_trans.first().getAttribute("Getnexttrans");
Note - You have a few of the threads left open, mark it as answered if solved.
Regards,
Gyan

Can we Pass two variable values in to one Varaible which is Cust Exit?

Hi all,
Can we pass two Variable values to a Variable which is Custexit?(For Example posting Period and the fiscalyear in to the FicalPeriod )
Regards
Kiran

Hello,
For that example you had to "convert" both post period and fiscalyear into fiscalperiod, and yes it is possible, but not throwing up the two values, you had to do it yourself in the user exit code.
Diogo.

How to pass characterstic variable value using button in sap wad

Hello Gurus,
I have one requirement in WAD 7.0.i have made one user input characterstic variable in Bex i.e on 0calmonth.Now i have passed the same variable in WAD drop down button.Now suppose based on the logic on that variable which i have made in bex is like when i select 04.2010 in drop down button it dispalys data for next three months.
Now my user wants same thing to be displayed with the help of button as well. I need to make two buttons one for previous month and other for next month.I made two button using button group and passed that variable also but data is not changing.
How to get the desired output using buttons.
I want two buttons like this <<(previous) >>(next) and i want to pass that same variable which i passed in drop down button and when i press previous button it should display last month data and when i press next it should display next month data.
How to achieve this in WAD with the help of buttons.Give me your useful suggestions.
Hope my requirement is clear.
Thanks in advance
Regards,
AL

Need your valuable suggestions on this...

How to pass a variable value into a custom planning function via a web

Can some one tell me
How to pass a variable value into a custom planning function via a web template?
What are the different types of Planning function parameters available and what is the difference between them?
Thanks
babu

Hi Sutrtha,
Yeah I got the pop up asking to select the variables used, I have selected ENTITY_ID that was used by the interfaces, but on execution of the package the Scenario did not work as the passeed variable #ENTITY_ID is set to 0 instead of the value I am passing.
Am I missing something?
Regards
B

Passing BOUSER variable as a parameter to a DB2 stored procedure

Hi,
We have created a stored procedure in DB2, which accepts five parameters. We have to pass the userrname of the logged-in user as one of the five parameters. We have created a DeskI report based on this stored procedure and we have used @variable('BOUSER') as the value for the concerned parameter.
But Business Objects passes the string '@variable('BOUSER')' as it is instead of replace the variable with it's value. Does anybody have any idea on passing BO variables as parameters to a report based on stored procedure?

hi,
Create an object called 'user' with the following definition
select:
username
where:
username =@Variable('BOUSER')
Use this object 'user' as parameter to the storedprocedure.
Regards,
Vamsee

Is it possible to pass a variable in FROM clause in SQL?

Hi Experts,
loop at it_db_table.
select field1 from it_db_table-table_name into my_it.
endloop.
I mean, Is it pass a variable value to FROM clause in SQL?
I got the info from SAP as,
Works like variants 1-3, provided the source_text varialb contains the table name or a join expression as ABAP source text.
Examples
Output of a list of all customers:
DATA tabname(10).
DATA: BEGIN OF wa,
 id TYPE scustom-id,
 name TYPE scustom-name,
 END OF wa.
tabname = 'SCUSTOM'.
SELECT id name INTO CORRESPONDING FIELDS OF wa FROM (tabname).
WRITE: / wa-id, wa-name.
ENDSELECT.
thanq.

Here is a short sample of a dynamic select statement.
Enter your table name in the parameter on selection screen. Enter you where clause in the select-option on selection screen.
I used.....
MARA
MTART = 'HALB'
report zrich_0004 .
data: xwhere(30) type c.
data: iwhere(30) type c occurs 0.
data:itab(1000) type c occurs 0 with header line.
parameters: p_table(30) type c.
select-options: s_where for xwhere.
loop at s_where.
clear iwhere.
xwhere = s_where-low.
append xwhere to iwhere.
endloop.
select * up to 100 rows into table itab
 from (p_table)
 where (iwhere).
loop at itab.
write:/ itab.
endloop.
Regards
vasu

Passing parameters to IAC Transaction iView

Hi guys,
Anybody knows how I can carry out this task? I have a page that has some value that I would like to pass to an IAC Transaction iView via the URL.
Thanks!

Check this out:
http://help.sap.com/saphelp_nw04/helpdata/en/5a/6898dddb7afd44b07ca4e3bb15f676/frameset.htm
All u need to do is append the screenfield values and pass it to the URL.
Something like this:
Eg:
<script>
Screen_field_Value = 'XYZ';
dynP = "?DynamicParameter=Screen_field1" +Screen_field_Value + ";";
</script>
<hbj:link id="l1" text="IAC - Link1">
<% l1.setOnClientClick("EPCM.doNavigate('ROLES://portal_content/com.sap....../myIACIvu' + dynP ,1);void(0);"); %>
</hbj:link>
Plz don forget points, if it helped.
Regards,
P.

Pass Hierarchy Variable to RSR_OLAP_BADI

Hi Gurus,
I am using RSR_OLAP_BADI. Within the variable selection screen there is a hierarchy selection variable, I would like to pass the variable to the 'compute' badi logic.
What is the best way to do this?
Thanks in advance!.

Hello Tom,
Iu2019m glad that You said youu2019re not struggling with Badi. Let me refresh the memory briefly.
Step 1, Include ZXRSRU01
IF i_s_rkb1d-infocube EQ 'AA'.
IF i_step = '3'.
u2026..
Step 2, Define Method
CASE i_s_rkb1d-infocube.
WHEN u2018AAu2019.
u2026
append l_s_chanm to c_t_chanm
Step 3, Compute Method
u2026
ASSIGN COMPONENT XYZ OF STRUCTURE c_s_data
TO <XYYZZ>.
u2026
Logic for Your Spec
u2026
Jen
PS: Should search for articles about Virtual KF/Char for more details about step 2 and 3.
Edited by: Jen Yakimoto on Jan 18, 2011 1:35 AM

Regarding passing memory variable to transaction

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