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3af76f2c3aa953a53f78313ec0c4ab55a37dbddd
source/Tactical/bullets.cpp
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#ifdef PRECOMPILEDHEADERS
#include "Tactical All.h"
#else
#include "math.h"
#include <stdio.h>
#include <errno.h>
#include "worlddef.h"
#include "renderworld.h"
#include "vsurface.h"
#include "Render Dirty.h"
#include "sysutil.h"
#include "container.h"
#include "wcheck.h"
#include "video.h"
#include "vobject_blitters.h"
#include "faces.h"
#include "utilities.h"
#include "overhead.h"
#include "gap.h"
#include "Soldier Profile.h"
#include "Bullets.h"
#include "los.h"
#include "worldman.h"
#include "random.h"
#include "GameSettings.h"
#include "FileMan.h"
#endif
// Defines
#define NUM_BULLET_SLOTS 50
// GLOBAL FOR FACES LISTING
BULLET gBullets[ NUM_BULLET_SLOTS ];
UINT32 guiNumBullets = 0;
INT32 GetFreeBullet(void)
{
UINT32 uiCount;
for(uiCount=0; uiCount < guiNumBullets; uiCount++)
{
if((gBullets[uiCount].fAllocated==FALSE) )
return((INT32)uiCount);
}
if(guiNumBullets < NUM_BULLET_SLOTS )
return((INT32)guiNumBullets++);
return(-1);
}
void RecountBullets(void)
{
INT32 uiCount;
for(uiCount=guiNumBullets-1; (uiCount >=0) ; uiCount--)
{
if( ( gBullets[uiCount].fAllocated ) )
{
guiNumBullets=(UINT32)(uiCount+1);
return;
}
}
guiNumBullets = 0;
}
INT32 CreateBullet( UINT8 ubFirerID, BOOLEAN fFake, UINT16 usFlags,UINT16 fromItem )
{
INT32 iBulletIndex;
BULLET *pBullet;
if( ( iBulletIndex = GetFreeBullet() )==(-1) )
return(-1);
memset(&gBullets[ iBulletIndex ], 0, sizeof( BULLET ) );
pBullet = &gBullets[ iBulletIndex ];
pBullet->iBullet = iBulletIndex;
pBullet->fAllocated = TRUE;
pBullet->fLocated = FALSE;
pBullet->ubFirerID = ubFirerID;
pBullet->usFlags = usFlags;
pBullet->usLastStructureHit = 0;
pBullet->fromItem = fromItem;
if (fFake)
{
pBullet->fReal = FALSE;
}
else
{
pBullet->fReal = TRUE;
}
return( iBulletIndex );
}
void HandleBulletSpecialFlags( INT32 iBulletIndex )
{
BULLET *pBullet;
ANITILE_PARAMS AniParams;
FLOAT dX, dY;
UINT8 ubDirection;
pBullet = &( gBullets[ iBulletIndex ] );
memset( &AniParams, 0, sizeof( ANITILE_PARAMS ) );
if ( pBullet->fReal )
{
// Create ani tile if this is a spit!
if ( pBullet->usFlags & ( BULLET_FLAG_KNIFE ) )
{
AniParams.sGridNo = (INT16)pBullet->sGridNo;
AniParams.ubLevelID = ANI_STRUCT_LEVEL;
AniParams.sDelay = 100;
AniParams.sStartFrame = 3;
AniParams.uiFlags = ANITILE_CACHEDTILE | ANITILE_FORWARD | ANITILE_LOOPING | ANITILE_USE_DIRECTION_FOR_START_FRAME;
AniParams.sX = FIXEDPT_TO_INT32( pBullet->qCurrX );
AniParams.sY = FIXEDPT_TO_INT32( pBullet->qCurrY );
AniParams.sZ = CONVERT_HEIGHTUNITS_TO_PIXELS( FIXEDPT_TO_INT32( pBullet->qCurrZ ) );
if ( pBullet->usFlags & ( BULLET_FLAG_CREATURE_SPIT ) )
{
strcpy( AniParams.zCachedFile, "TILECACHE\\SPIT2.STI" );
}
else if ( pBullet->usFlags & ( BULLET_FLAG_KNIFE ) )
{
strcpy( AniParams.zCachedFile, "TILECACHE\\KNIFING.STI" );
pBullet->ubItemStatus = pBullet->pFirer->inv[ HANDPOS ].bStatus[0];
}
// Get direction to use for this guy....
dX = ( (FLOAT)( pBullet->qIncrX ) / FIXEDPT_FRACTIONAL_RESOLUTION );
dY = ( (FLOAT)( pBullet->qIncrY ) / FIXEDPT_FRACTIONAL_RESOLUTION );
ubDirection = atan8( 0, 0, (INT16)( dX * 100 ), (INT16)( dY * 100 ) );
AniParams.uiUserData3 = ubDirection;
pBullet->pAniTile = CreateAnimationTile( &AniParams );
// IF we are anything that needs a shadow.. set it here....
if ( pBullet->usFlags & ( BULLET_FLAG_KNIFE ) )
{
AniParams.ubLevelID = ANI_SHADOW_LEVEL;
AniParams.sZ = 0;
pBullet->pShadowAniTile = CreateAnimationTile( &AniParams );
}
}
}
}
void RemoveBullet( INT32 iBullet )
{
CHECKV( iBullet < NUM_BULLET_SLOTS );
// decrease soldier's bullet count
if (gBullets[ iBullet ].fReal)
{
// set to be deleted at next update
gBullets[ iBullet ].fToDelete = TRUE;
// decrement reference to bullet in the firer
gBullets[ iBullet ].pFirer->bBulletsLeft--;
DebugMsg( TOPIC_JA2, DBG_LEVEL_3, String("!!!!!!! Ending bullet, bullets left %d", gBullets[ iBullet ].pFirer->bBulletsLeft ) );
if ( gBullets[ iBullet ].usFlags & ( BULLET_FLAG_KNIFE ) )
{
// Delete ani tile
if ( gBullets[ iBullet ].pAniTile != NULL )
{
DeleteAniTile( gBullets[ iBullet ].pAniTile );
gBullets[ iBullet ].pAniTile = NULL;
}
// Delete shadow
if ( gBullets[ iBullet ].usFlags & ( BULLET_FLAG_KNIFE ) )
{
if ( gBullets[ iBullet ].pShadowAniTile != NULL )
{
DeleteAniTile( gBullets[ iBullet ].pShadowAniTile );
gBullets[ iBullet ].pShadowAniTile = NULL;
}
}
}
}
else
{
// delete this fake bullet right away!
gBullets[ iBullet ].fAllocated = FALSE;
RecountBullets();
}
}
void LocateBullet( INT32 iBulletIndex )
{
if ( gGameSettings.fOptions[ TOPTION_SHOW_MISSES ] )
{
// Check if a bad guy fired!
if ( gBullets[ iBulletIndex ].ubFirerID != NOBODY )
{
if ( MercPtrs[ gBullets[ iBulletIndex ].ubFirerID ]->bSide == gbPlayerNum )
{
if ( !gBullets[ iBulletIndex ].fLocated )
{
gBullets[ iBulletIndex ].fLocated = TRUE;
//Only if we are in turnbased and noncombat
if ( gTacticalStatus.uiFlags & TURNBASED && (gTacticalStatus.uiFlags & INCOMBAT) )
{
LocateGridNo( (INT16)gBullets[ iBulletIndex ].sGridNo );
}
}
}
}
}
}
void UpdateBullets( )
{
UINT32 uiCount;
LEVELNODE *pNode;
BOOLEAN fDeletedSome = FALSE;
for ( uiCount = 0; uiCount < guiNumBullets; uiCount++ )
{
if ( gBullets[ uiCount ].fAllocated)
{
if (gBullets[ uiCount ].fReal && !( gBullets[ uiCount ].usFlags & BULLET_STOPPED ) )
{
// there are duplicate checks for deletion in case the bullet is deleted by shooting
// someone at point blank range, in the first MoveBullet call in the FireGun code
if ( gBullets[ uiCount ].fToDelete )
{
// Remove from old position
gBullets[ uiCount ].fAllocated = FALSE;
fDeletedSome = TRUE;
continue;
}
//if ( !( gGameSettings.fOptions[ TOPTION_HIDE_BULLETS ] ) )
{
// ALRIGHTY, CHECK WHAT TYPE OF BULLET WE ARE
if ( gBullets[ uiCount ].usFlags & ( BULLET_FLAG_CREATURE_SPIT | BULLET_FLAG_KNIFE | BULLET_FLAG_MISSILE | BULLET_FLAG_SMALL_MISSILE | BULLET_FLAG_TANK_CANNON | BULLET_FLAG_FLAME | BULLET_FLAG_TRACER ) )
{
}
else
{
RemoveStruct( gBullets[ uiCount ].sGridNo, BULLETTILE1 );
RemoveStruct( gBullets[ uiCount ].sGridNo, BULLETTILE2 );
}
}
MoveBullet( uiCount );
if ( gBullets[ uiCount ].fToDelete )
{
// Remove from old position
gBullets[ uiCount ].fAllocated = FALSE;
fDeletedSome = TRUE;
continue;
}
if ( gBullets[ uiCount ].usFlags & BULLET_STOPPED )
{
continue;
}
// Display bullet
//if ( !( gGameSettings.fOptions[ TOPTION_HIDE_BULLETS ] ) )
{
if ( gBullets[ uiCount ].usFlags & ( BULLET_FLAG_KNIFE ) )
{
if ( gBullets[ uiCount ].pAniTile != NULL )
{
gBullets[ uiCount ].pAniTile->sRelativeX = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrX );
gBullets[ uiCount ].pAniTile->sRelativeY = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrY );
gBullets[ uiCount ].pAniTile->pLevelNode->sRelativeZ = (INT16) CONVERT_HEIGHTUNITS_TO_PIXELS( FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrZ ) );
if ( gBullets[ uiCount ].usFlags & ( BULLET_FLAG_KNIFE ) )
{
gBullets[ uiCount ].pShadowAniTile->sRelativeX = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrX );
gBullets[ uiCount ].pShadowAniTile->sRelativeY = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrY );
}
}
}
// Are we a missle?
else if ( gBullets[ uiCount ].usFlags & ( BULLET_FLAG_MISSILE | BULLET_FLAG_SMALL_MISSILE | BULLET_FLAG_TANK_CANNON | BULLET_FLAG_FLAME | BULLET_FLAG_CREATURE_SPIT ) )
{
}
else if ( gBullets[ uiCount ].usFlags & ( BULLET_FLAG_TRACER ) )
{
ManLooksForOtherTeams(gBullets[ uiCount ].pFirer);
}
else
{
pNode = AddStructToTail( gBullets[ uiCount ].sGridNo, BULLETTILE1 );
pNode->ubShadeLevel=DEFAULT_SHADE_LEVEL;
pNode->ubNaturalShadeLevel=DEFAULT_SHADE_LEVEL;
pNode->uiFlags |= ( LEVELNODE_USEABSOLUTEPOS | LEVELNODE_IGNOREHEIGHT );
pNode->sRelativeX = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrX );
pNode->sRelativeY = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrY );
pNode->sRelativeZ = (INT16) CONVERT_HEIGHTUNITS_TO_PIXELS( FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrZ ) );
// Display shadow
pNode = AddStructToTail( gBullets[ uiCount ].sGridNo, BULLETTILE2 );
pNode->ubShadeLevel=DEFAULT_SHADE_LEVEL;
pNode->ubNaturalShadeLevel=DEFAULT_SHADE_LEVEL;
pNode->uiFlags |= ( LEVELNODE_USEABSOLUTEPOS | LEVELNODE_IGNOREHEIGHT );
pNode->sRelativeX = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrX );
pNode->sRelativeY = (INT16) FIXEDPT_TO_INT32( gBullets[ uiCount ].qCurrY );
pNode->sRelativeZ = (INT16)gpWorldLevelData[ gBullets[ uiCount ].sGridNo ].sHeight;
}
}
}
else
{
if ( gBullets[ uiCount ].fToDelete )
{
gBullets[ uiCount ].fAllocated = FALSE;
fDeletedSome = TRUE;
}
}
}
}
if ( fDeletedSome )
{
RecountBullets( );
}
}
BULLET *GetBulletPtr( INT32 iBullet )
{
BULLET *pBullet;
CHECKN( iBullet < NUM_BULLET_SLOTS );
pBullet = &gBullets[ iBullet ];
return( pBullet );
}
void AddMissileTrail( BULLET *pBullet, FIXEDPT qCurrX, FIXEDPT qCurrY, FIXEDPT qCurrZ )
{
ANITILE_PARAMS AniParams;
// If we are a small missle, don't show
if ( pBullet->usFlags & ( BULLET_FLAG_SMALL_MISSILE | BULLET_FLAG_FLAME | BULLET_FLAG_CREATURE_SPIT | BULLET_FLAG_TRACER ) )
{
if ( pBullet->iLoop < 5 )
{
return;
}
}
// If we are a small missle, don't show
if ( pBullet->usFlags & ( BULLET_FLAG_TANK_CANNON ) )
{
//if ( pBullet->iLoop < 40 )
//{
return;
//}
}
memset( &AniParams, 0, sizeof( ANITILE_PARAMS ) );
AniParams.sGridNo = (INT16)pBullet->sGridNo;
AniParams.ubLevelID = ANI_STRUCT_LEVEL;
AniParams.sDelay = (INT16)( 100 + Random( 100 ) );
AniParams.sStartFrame = 0;
AniParams.uiFlags = ANITILE_CACHEDTILE | ANITILE_FORWARD | ANITILE_ALWAYS_TRANSLUCENT;
AniParams.sX = FIXEDPT_TO_INT32( qCurrX );
AniParams.sY = FIXEDPT_TO_INT32( qCurrY );
AniParams.sZ = CONVERT_HEIGHTUNITS_TO_PIXELS( FIXEDPT_TO_INT32( qCurrZ ) );
if ( pBullet->usFlags & ( BULLET_FLAG_MISSILE | BULLET_FLAG_TANK_CANNON ) )
{
strcpy( AniParams.zCachedFile, "TILECACHE\\MSLE_SMK.STI" );
}
else if ( pBullet->usFlags & ( BULLET_FLAG_SMALL_MISSILE ) )
{
strcpy( AniParams.zCachedFile, "TILECACHE\\MSLE_SMA.STI" );
}
else if ( pBullet->usFlags & ( BULLET_FLAG_CREATURE_SPIT ) )
{
strcpy( AniParams.zCachedFile, "TILECACHE\\MSLE_SPT.STI" );
}
else if ( pBullet->usFlags & ( BULLET_FLAG_FLAME ) )
{
strcpy( AniParams.zCachedFile, "TILECACHE\\FLMTHR2.STI" );
AniParams.sDelay = (INT16)( 100 );
}
else if ( pBullet->usFlags & ( BULLET_FLAG_TRACER ) )
{
strcpy( AniParams.zCachedFile, "TILECACHE\\BULLET_TRACER.STI" );
AniParams.uiFlags |= ANITILE_LIGHT;
}
CreateAnimationTile( &AniParams );
}
BOOLEAN SaveBulletStructureToSaveGameFile( HWFILE hFile )
{
UINT32 uiNumBytesWritten;
UINT16 usCnt;
UINT32 uiBulletCount=0;
//loop through and count the number of bullets
for( usCnt=0; usCnt<NUM_BULLET_SLOTS; usCnt++ )
{
//if the bullet is active, save it
if( gBullets[ usCnt ].fAllocated )
{
uiBulletCount++;
}
}
//Save the number of Bullets in the array
FileWrite( hFile, &uiBulletCount, sizeof( UINT32 ), &uiNumBytesWritten );
if( uiNumBytesWritten != sizeof( UINT32 ) )
{
return( FALSE );
}
if( uiBulletCount != 0 )
{
for( usCnt=0; usCnt<NUM_BULLET_SLOTS; usCnt++ )
{
//if the bullet is active, save it
if( gBullets[ usCnt ].fAllocated )
{
//Save the the Bullet structure
FileWrite( hFile, &gBullets[usCnt], sizeof( BULLET ), &uiNumBytesWritten );
if( uiNumBytesWritten != sizeof( BULLET ) )
{
return( FALSE );
}
}
}
}
return( TRUE );
}
BOOLEAN LoadBulletStructureFromSavedGameFile( HWFILE hFile )
{
UINT32 uiNumBytesRead;
UINT16 usCnt;
//make sure the bullets are not allocated
memset( gBullets, 0, NUM_BULLET_SLOTS * sizeof( BULLET ) );
//Load the number of Bullets in the array
FileRead( hFile, &guiNumBullets, sizeof( UINT32 ), &uiNumBytesRead );
if( uiNumBytesRead != sizeof( UINT32 ) )
{
return( FALSE );
}
for( usCnt=0; usCnt<guiNumBullets; usCnt++ )
{
//Load the the Bullet structure
FileRead( hFile, &gBullets[usCnt], sizeof( BULLET ), &uiNumBytesRead );
if( uiNumBytesRead != sizeof( BULLET ) )
{
return( FALSE );
}
//Set some parameters
gBullets[usCnt].uiLastUpdate = 0;
if( gBullets[usCnt].ubFirerID != NOBODY )
gBullets[usCnt].pFirer = &Menptr[ gBullets[usCnt].ubFirerID ];
else
gBullets[usCnt].pFirer = NULL;
gBullets[usCnt].pAniTile = NULL;
gBullets[usCnt].pShadowAniTile = NULL;
gBullets[usCnt].iBullet = usCnt;
HandleBulletSpecialFlags( gBullets[usCnt].iBullet );
}
return( TRUE );
}
void StopBullet( INT32 iBullet )
{
gBullets[ iBullet ].usFlags |= BULLET_STOPPED;
RemoveStruct( gBullets[ iBullet ].sGridNo, BULLETTILE1 );
RemoveStruct( gBullets[ iBullet ].sGridNo, BULLETTILE2 );
}
void DeleteAllBullets( )
{
UINT32 uiCount;
for ( uiCount = 0; uiCount < guiNumBullets; uiCount++ )
{
if ( gBullets[ uiCount ].fAllocated)
{
// Remove from old position
RemoveBullet( uiCount );
gBullets[ uiCount ].fAllocated = FALSE;
}
}
RecountBullets( );
}
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