truelight@9592: #include "ai_tilelist.hpp"
truelight@9592: 
truelight@9592: void AITileList::FixRectangleSpan(TileIndex &t1, TileIndex &t2)
truelight@9592: {
truelight@9592: 	uint x1 = ::TileX(t1);
truelight@9592: 	uint x2 = ::TileX(t2);
truelight@9592: 
truelight@9592: 	uint y1 = ::TileY(t1);
truelight@9592: 	uint y2 = ::TileY(t2);
truelight@9592: 
truelight@9592: 	if (x1 >= x2) ::Swap(x1, x2);
truelight@9592: 	if (y1 >= y2) ::Swap(y1, y2);
truelight@9592: 
truelight@9592: 	t1 = ::TileXY(x1, y1);
truelight@9592: 	t2 = ::TileXY(x2, y2);
truelight@9592: }
truelight@9592: 
truelight@9592: void AITileList::AddRectangle(TileIndex t1, TileIndex t2)
truelight@9592: {
truelight@9592: 	if (!IsValidTile(t1) || !IsValidTile(t2)) return;
truelight@9592: 
truelight@9592: 	this->FixRectangleSpan(t1, t2);
truelight@9592: 
truelight@9592: 	uint w = TileX(t2) - TileX(t1) + 1;
truelight@9592: 	uint h = TileY(t2) - TileY(t1) + 1;
truelight@9592: 
truelight@9592: 	BEGIN_TILE_LOOP(t, w, h, t1) {
truelight@9592: 		this->AddItem(t);
truelight@9592: 	} END_TILE_LOOP(t, w, h, t1)
truelight@9592: }
truelight@9592: 
truelight@9592: void AITileList::AddTile(TileIndex tile)
truelight@9592: {
truelight@9592: 	if (!IsValidTile(tile)) return;
truelight@9592: 
truelight@9592: 	this->AddItem(tile);
truelight@9592: }
truelight@9592: 
truelight@9592: void AITileList::RemoveRectangle(TileIndex t1, TileIndex t2)
truelight@9592: {
truelight@9592: 	if (!IsValidTile(t1) || !IsValidTile(t2)) return;
truelight@9592: 
truelight@9592: 	this->FixRectangleSpan(t1, t2);
truelight@9592: 
truelight@9592: 	uint w = TileX(t2) - TileX(t1) + 1;
truelight@9592: 	uint h = TileY(t2) - TileY(t1) + 1;
truelight@9592: 
truelight@9592: 	BEGIN_TILE_LOOP(t, w, h, t1) {
truelight@9592: 		this->RemoveItem(t);
truelight@9592: 	} END_TILE_LOOP(t, w, h, t1)
truelight@9592: }
truelight@9592: 
truelight@9592: void AITileList::RemoveTile(TileIndex tile)
truelight@9592: {
truelight@9592: 	if (!IsValidTile(tile)) return;
truelight@9592: 
truelight@9592: 	this->RemoveItem(tile);
truelight@9592: }