UnitPosition Snake::RemoveTail() {
//if (tail == NULL)
// return;
LinkNode* p = tail;
tail = p->last;
if (tail != NULL)
{
tail->next = NULL;
}
Length -= 1;
return UnitPosition(p->Data.ColIndex, p->Data.RowIndex);
}
//生成一个确定头的位置、运行方向以及节段长度的贪食蛇
Snake::Snake(UnitPosition headunit, Orientation movedirection, int length) {
head =new LinkNode(headunit);
tail = head;
Length = 1;
moveDirection = movedirection;
if (length < 1)
length = 1; //至少有一个头
for (int i = 1; i < length; i++) {
UnitPosition bodypos = UnitPosition(headunit.ColIndex,headunit.RowIndex);
bodypos.Move(movedirection, -1 * i);
AddToTail(bodypos);
}
}
void Spawn(Unit *U, PathList *PL)
{
Path *tempPath;
tempPath = PathPeek(UnitPosition(U),PL);
attron(COLOR_PAIR(UnitID(U)-96));
if (UnitSpeed(U))
{
mvprintw(STARTY+PathY(tempPath),STARTX+PathX(tempPath)*MAPSCALE+2,"%d",UnitHealth(U));
}
else
{
mvprintw(STARTY+PathY(tempPath),STARTX+PathX(tempPath)*MAPSCALE,"%d",UnitHealth(U));
}
attroff(COLOR_PAIR(UnitID(U)-96));
}
//蛇移动一次，返回舍弃的尾部数据
UnitPosition Snake::Move() {
UnitPosition pos = UnitPosition(head->Data.ColIndex, head->Data.RowIndex);
pos.Move(moveDirection);
InsertAsHead(pos);
return RemoveTail();
}
void TowerTargetting(UnitList *UL, UnitList *PDUL, TowerList *TL, PathList *PL, FunctionQueue *FQ, int loopCounter)
{
for (int i = 0; i < TowerSize(TL); i++)
{
// Declare and initiage of variables needed per loop
int j;
Tower *T;
Path *P;
Unit *U;
int targetFlag;
targetFlag = false;
// Get the tower
T = TowerPeek(i, TL);
if (loopCounter % TowerRate(T) == 0)
{
// Iterate through the unit list
for (j = 0; j < UnitSize(UL); j++)
{
if (TowerEffect(T) != EFFECT_AOE)
{
if (targetFlag == false)
{
// Get unit & position data
U = UnitPeek(j, UL);
P = PathPeek(UnitPosition(U), PL);
// check range
if (TowerPosX(T) + TowerRange(T) >= PathX(P) && TowerPosX(T) - TowerRange(T) <= PathX(P))
{
if (TowerPosY(T) + TowerRange(T) >= PathY(P) && TowerPosY(T) - TowerRange(T) <= PathY(P))
{
targetFlag = true;
if (UnitSpeed(U) == SPEED_SLOW)
{
// Exit the unit loop, we have our target
break;
}
}
}
}
else
{
Unit *target;
// Get unit & position data
target = UnitPeek(j, UL);
P = PathPeek(UnitPosition(target), PL);
// Check unit speed for aggro. Less calls than range checking to eliminate cases
if (UnitSpeed(target) == SPEED_SLOW)
{
// Check if the unit is within tower range
if (TowerPosX(T) + TowerRange(T) >= PathX(P) && TowerPosX(T) - TowerRange(T) <= PathX(P))
{
if (TowerPosY(T) + TowerRange(T) >= PathY(P) && TowerPosY(T) - TowerRange(T) <= PathY(P))
{
// exit the unit loop, we have our target
U = target;
break;
}
}
}
}
}
// AoE damage
else
{
// Get unit & position data
U = UnitPeek(j, UL);
P = PathPeek(UnitPosition(U), PL);
// check range
if (TowerPosX(T) + TowerRange(T) >= PathX(P) && TowerPosX(T) - TowerRange(T) <= PathX(P))
{
if (TowerPosY(T) + TowerRange(T) >= PathY(P) && TowerPosY(T) - TowerRange(T) <= PathY(P))
{
// Deal the damage to the unit in range.
DamageHandler(U, T, PDUL);
CreateSPAWN(FQ,U);
}
}
}
}
// Deal damage to target
if (targetFlag == true)
{
DamageHandler(U, T, PDUL);
CreateSPAWN(FQ,U);
}
}
}
}
