/**
* Get a tile in the direction of a destination, randomized a bit.
*
* @param packed_from The origin.
* @param packed_to The destination.
* @return A packed tile.
*/
uint16 Tile_GetTileInDirectionOf(uint16 packed_from, uint16 packed_to)
{
int16 distance;
uint8 direction;
uint8 i;
if (packed_from == 0 || packed_to == 0) return 0;
distance = Tile_GetDistancePacked(packed_from, packed_to);
direction = Tile_GetDirectionPacked(packed_to, packed_from);
if (distance <= 10) return 0;
for (i = 0; i < 4; i++) {
int16 dir;
tile32 position;
uint16 packed;
dir = 29 + (Tools_Random_256() & 0x3F);
if ((Tools_Random_256() & 1) != 0) dir = -dir;
position = Tile_UnpackTile(packed_to);
position = Tile_MoveByDirection(position, direction + dir, min(distance, 20) << 8);
packed = Tile_PackTile(position);
if (Map_IsValidPosition(packed)) return packed;
}
return 0;
}
/**
* Unknown function 0788.
*
* Stack: *none*.
*
* @param script The script engine to operate on.
* @return The value 0. Always.
*/
uint16 Script_Team_Unknown0788(ScriptEngine *script)
{
Team *t;
tile32 tile;
PoolFindStruct find;
VARIABLE_NOT_USED(script);
t = g_scriptCurrentTeam;
if (t->target == 0) return 0;
tile = Tools_Index_GetTile(t->target);
find.houseID = t->houseID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
uint16 distance;
uint16 packed;
int16 orientation;
u = Unit_Find(&find);
if (u == NULL) break;
if (u->team - 1 != t->index) continue;
if (t->target == 0) {
Unit_SetAction(u, ACTION_GUARD);
continue;
}
distance = g_table_unitInfo[u->o.type].fireDistance << 8;
if (u->actionID == ACTION_ATTACK && u->targetAttack == t->target) {
if (u->targetMove != 0) continue;
if (Tile_GetDistance(u->o.position, tile) >= distance) continue;
}
if (u->actionID != ACTION_ATTACK) Unit_SetAction(u, ACTION_ATTACK);
orientation = (Tile_GetDirection(tile, u->o.position) & 0xC0) + Tools_RandomLCG_Range(0, 127);
if (orientation < 0) orientation += 256;
packed = Tile_PackTile(Tile_MoveByDirection(tile, orientation, distance));
if (Object_GetByPackedTile(packed) == NULL) {
Unit_SetDestination(u, Tools_Index_Encode(packed, IT_TILE));
} else {
Unit_SetDestination(u, Tools_Index_Encode(Tile_PackTile(tile), IT_TILE));
}
Unit_SetTarget(u, t->target);
}
return 0;
}
