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allowed to throw grenades from behind corners without need to move into open field

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git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@9134 3b4a5df2-a311-0410-b5c6-a8a6f20db521
This commit is contained in:
Shadooow
2021-07-09 01:13:27 +00:00
parent 78087707d1
commit 67a3a5e488
2 changed files with 128 additions and 13 deletions
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TileEngine/physics.cpp
+100
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@@ -23,6 +23,7 @@
#include "Dialogue Control.h" // added by Flugente
#endif
#include "connect.h"
#include "PATHAI.H"
//forward declarations of common classes to eliminate includes
@@ -2096,6 +2097,95 @@ void CalculateLaunchItemBasicParams( SOLDIERTYPE *pSoldier, OBJECTTYPE *pItem, I
(*pdDegrees ) = dDegrees;
}
BOOLEAN GrenadeRollingPossible(SOLDIERTYPE *pSoldier, INT32 sGridNo, INT16 *sXPos, INT16 *sYPos)
{
if (!(pSoldier->bWeaponMode == WM_ATTACHED_GL || pSoldier->bWeaponMode == WM_ATTACHED_GL_BURST || pSoldier->bWeaponMode == WM_ATTACHED_GL_AUTO))
{
UINT8 ubDirection = GetDirectionFromGridNo(sGridNo, pSoldier);
if (ubDirection % 2 == 1)//diagonal direction is disabled
{
return FALSE;
}
INT32 sTestGridNo = NewGridNo(pSoldier->sGridNo, DirectionInc(ubDirection));
if (gubWorldMovementCosts[sTestGridNo][ubDirection][pSoldier->pathing.bLevel] == TRAVELCOST_WALL)
{
BOOLEAN obstacle = FALSE;
INT16 newDir = (ubDirection != 2 && ubDirection != 6) ? EAST : SOUTH;
INT32 newLoc = NewGridNo(pSoldier->sGridNo, DirectionInc(newDir));
STRUCTURE *pStruct;
pStruct = gpWorldLevelData[newLoc].pStructureHead;
while (pStruct)
{
if ((pStruct->fFlags & STRUCTURE_ANYDOOR) && (pStruct->fFlags & STRUCTURE_OPEN))
{
if (gubWorldMovementCosts[newLoc][newDir][pSoldier->pathing.bLevel] >= 220)//doors are opened in a way they make an obstacle
return FALSE;
ConvertGridNoToCenterCellXY(newLoc, sXPos, sYPos);
return TRUE;
}
pStruct = pStruct->pNext;
}
newLoc = NewGridNo(sTestGridNo, DirectionInc(newDir));
pStruct = gpWorldLevelData[newLoc].pStructureHead;
while (pStruct)
{
if ((pStruct->fFlags & STRUCTURE_ANYDOOR) && (pStruct->fFlags & STRUCTURE_OPEN))
{
ConvertGridNoToCenterCellXY(newLoc, sXPos, sYPos);
return TRUE;
}
else if ((pStruct->fFlags & STRUCTURE_OBSTACLE))
{
obstacle = TRUE;
}
pStruct = pStruct->pNext;
}
if (!obstacle)
{
ConvertGridNoToCenterCellXY(newLoc, sXPos, sYPos);
return TRUE;
}
obstacle = FALSE;
newDir = (ubDirection != 2 && ubDirection != 6) ? WEST : NORTH;
newLoc = NewGridNo(pSoldier->sGridNo, DirectionInc(newDir));
pStruct = gpWorldLevelData[newLoc].pStructureHead;
while (pStruct)
{
if ((pStruct->fFlags & STRUCTURE_ANYDOOR) && (pStruct->fFlags & STRUCTURE_OPEN))
{
if (gubWorldMovementCosts[newLoc][newDir][pSoldier->pathing.bLevel] >= 220)//doors are opened in a way they make an obstacle
return FALSE;
ConvertGridNoToCenterCellXY(newLoc, sXPos, sYPos);
return TRUE;
}
pStruct = pStruct->pNext;
}
newLoc = NewGridNo(sTestGridNo, DirectionInc(newDir));
pStruct = gpWorldLevelData[newLoc].pStructureHead;
while (pStruct)
{
if ((pStruct->fFlags & STRUCTURE_ANYDOOR) && (pStruct->fFlags & STRUCTURE_OPEN))
{
ConvertGridNoToCenterCellXY(newLoc, sXPos, sYPos);
return TRUE;
}
else if ((pStruct->fFlags & STRUCTURE_OBSTACLE))
{
obstacle = TRUE;
}
pStruct = pStruct->pNext;
}
if (!obstacle)
{
ConvertGridNoToCenterCellXY(newLoc, sXPos, sYPos);
return TRUE;
}
}
}
return FALSE;
}
BOOLEAN CalculateLaunchItemChanceToGetThrough( SOLDIERTYPE *pSoldier, OBJECTTYPE *pItem, INT32 sGridNo, UINT8 ubLevel, INT16 sEndZ, INT32 *psFinalGridNo, BOOLEAN fArmed, INT8 *pbLevel, BOOLEAN fFromUI )
{
@@ -2117,6 +2207,11 @@ BOOLEAN CalculateLaunchItemChanceToGetThrough( SOLDIERTYPE *pSoldier, OBJECTTYPE
ConvertGridNoToCenterCellXY( sGridNo, &sDestX, &sDestY );
ConvertGridNoToCenterCellXY( pSoldier->sGridNo, &sSrcX, &sSrcY );
if (GrenadeRollingPossible(pSoldier, sGridNo, &sSrcX, &sSrcY))
{
dForce /= 2;
}
// Set position
vPosition.x = sSrcX;
vPosition.y = sSrcY;
@@ -2267,6 +2362,11 @@ void CalculateLaunchItemParamsForThrow( SOLDIERTYPE *pSoldier, INT32 sGridNo, UI
ConvertGridNoToCenterCellXY( sGridNo, &sDestX, &sDestY );
ConvertGridNoToCenterCellXY( pSoldier->sGridNo, &sSrcX, &sSrcY );
if (GrenadeRollingPossible(pSoldier, sGridNo, &sSrcX, &sSrcY))
{
dForce /= 2;
}
// OK, get direction normal
vDirNormal.x = (float)(sDestX - sSrcX);
vDirNormal.y = (float)(sDestY - sSrcY);