// Check if the map tile at a location blocks a droid
bool fpathBaseBlockingTile(SDWORD x, SDWORD y, PROPULSION_TYPE propulsion, int mapIndex, FPATH_MOVETYPE moveType)
{
/* All tiles outside of the map and on map border are blocking. */
if (x < 1 || y < 1 || x > mapWidth - 1 || y > mapHeight - 1)
{
return true;
}
/* Check scroll limits (used in campaign to partition the map. */
if (propulsion != PROPULSION_TYPE_LIFT && (x < scrollMinX + 1 || y < scrollMinY + 1 || x >= scrollMaxX - 1 || y >= scrollMaxY - 1))
{
// coords off map - auto blocking tile
return true;
}
unsigned aux = auxTile(x, y, mapIndex);
int auxMask = 0;
switch (moveType)
{
case FMT_MOVE: auxMask = AUXBITS_NONPASSABLE; break; // do not wish to shoot our way through enemy buildings, but want to go through friendly gates (without shooting them)
case FMT_ATTACK: auxMask = AUXBITS_OUR_BUILDING; break; // move blocked by friendly building, assuming we do not want to shoot it up en route
case FMT_BLOCK: auxMask = AUXBITS_BLOCKING; break; // Do not wish to tunnel through closed gates or buildings.
}
unsigned unitbits = prop2bits(propulsion); // TODO - cache prop2bits to psDroid, and pass in instead of propulsion type
if ((unitbits & FEATURE_BLOCKED) != 0 && (aux & auxMask) != 0)
{
return true; // move blocked by building, and we cannot or do not want to shoot our way through anything
}
// the MAX hack below is because blockTile() range does not include player-specific versions...
return (blockTile(x, y, MAX(0, mapIndex - MAX_PLAYERS)) & unitbits) != 0; // finally check if move is blocked by propulsion related factors
}
// Check if the map tile at a location blocks a droid
BOOL fpathBaseBlockingTile(SDWORD x, SDWORD y, PROPULSION_TYPE propulsion, int mapIndex, FPATH_MOVETYPE moveType)
{
uint8_t aux, unitbits = prop2bits(propulsion); // TODO - cache prop2bits to psDroid, and pass in instead of propulsion type
/* All tiles outside of the map and on map border are blocking. */
if (x < 1 || y < 1 || x > mapWidth - 1 || y > mapHeight - 1)
{
return true;
}
/* Check scroll limits (used in campaign to partition the map. */
if (propulsion != PROPULSION_TYPE_LIFT && (x < scrollMinX + 1 || y < scrollMinY + 1 || x >= scrollMaxX - 1 || y >= scrollMaxY - 1))
{
// coords off map - auto blocking tile
return true;
}
aux = auxTile(x, y, mapIndex);
if ((unitbits & FEATURE_BLOCKED)
&& ((moveType == FMT_MOVE && (aux & AUXBITS_ANY_BUILDING)) // do not wish to shoot our way through enemy buildings
|| (aux & AUXBITS_OUR_BUILDING))) // move blocked by friendly building, assuming we do not want to shoot it up en route
{
return true; // move blocked by building, and we cannot or do not want to shoot our way through anything
}
// the MAX hack below is because blockTile() range does not include player-specific versions...
return (blockTile(x, y, MAX(0, mapIndex - MAX_PLAYERS)) & unitbits); // finally check if move is blocked by propulsion related factors
}
