1 #include "ai_tilelist.hpp"

     2 

     3 void AITileList::FixRectangleSpan(TileIndex &t1, TileIndex &t2)

     4 {

     5 	uint x1 = ::TileX(t1);

     6 	uint x2 = ::TileX(t2);

     7 

     8 	uint y1 = ::TileY(t1);

     9 	uint y2 = ::TileY(t2);

    10 

    11 	if (x1 >= x2) ::Swap(x1, x2);

    12 	if (y1 >= y2) ::Swap(y1, y2);

    13 

    14 	t1 = ::TileXY(x1, y1);

    15 	t2 = ::TileXY(x2, y2);

    16 }

    17 

    18 void AITileList::AddRectangle(TileIndex t1, TileIndex t2)

    19 {

    20 	if (!IsValidTile(t1) || !IsValidTile(t2)) return;

    21 

    22 	this->FixRectangleSpan(t1, t2);

    23 

    24 	uint w = TileX(t2) - TileX(t1) + 1;

    25 	uint h = TileY(t2) - TileY(t1) + 1;

    26 

    27 	BEGIN_TILE_LOOP(t, w, h, t1) {

    28 		this->AddItem(t);

    29 	} END_TILE_LOOP(t, w, h, t1)

    30 }

    31 

    32 void AITileList::AddTile(TileIndex tile)

    33 {

    34 	if (!IsValidTile(tile)) return;

    35 

    36 	this->AddItem(tile);

    37 }

    38 

    39 void AITileList::RemoveRectangle(TileIndex t1, TileIndex t2)

    40 {

    41 	if (!IsValidTile(t1) || !IsValidTile(t2)) return;

    42 

    43 	this->FixRectangleSpan(t1, t2);

    44 

    45 	uint w = TileX(t2) - TileX(t1) + 1;

    46 	uint h = TileY(t2) - TileY(t1) + 1;

    47 

    48 	BEGIN_TILE_LOOP(t, w, h, t1) {

    49 		this->RemoveItem(t);

    50 	} END_TILE_LOOP(t, w, h, t1)

    51 }

    52 

    53 void AITileList::RemoveTile(TileIndex tile)

    54 {

    55 	if (!IsValidTile(tile)) return;

    56 

    57 	this->RemoveItem(tile);

    58 }