C++ (Cpp) SimulateDrag示例

示例#1

文件： ai_rail.cpp 项目： xmirakulix/openttd-xmix

/* static */ bool AIRail::RemoveRail(TileIndex from, TileIndex tile, TileIndex to)
{
	EnforcePrecondition(false, ::IsValidTile(from));
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, ::IsValidTile(to));
	EnforcePrecondition(false, ::DistanceManhattan(from, tile) == 1);
	EnforcePrecondition(false, ::DistanceManhattan(tile, to) >= 1);
	int diag_offset = abs(abs((int)::TileX(to) - (int)::TileX(tile)) - abs((int)::TileY(to) - (int)::TileY(tile)));
	EnforcePrecondition(false, diag_offset <= 1 ||
			(::TileX(from) == ::TileX(tile) && ::TileX(tile) == ::TileX(to)) ||
			(::TileY(from) == ::TileY(tile) && ::TileY(tile) == ::TileY(to)));

	if (!IsRailTypeAvailable(GetCurrentRailType())) SetCurrentRailType(GetRailType(tile));
	uint32 p2 = SimulateDrag(from, tile, &to);
	return AIObject::DoCommand(tile, to, p2, CMD_REMOVE_RAILROAD_TRACK);
}

示例#2

文件： script_rail.cpp 项目： benjeffery/openttd

/* static */ bool ScriptRail::BuildRail(TileIndex from, TileIndex tile, TileIndex to)
{
	EnforcePrecondition(false, ScriptObject::GetCompany() != OWNER_DEITY);
	EnforcePrecondition(false, ::IsValidTile(from));
	EnforcePrecondition(false, ::IsValidTile(tile));
	EnforcePrecondition(false, ::IsValidTile(to));
	EnforcePrecondition(false, ::DistanceManhattan(from, tile) == 1);
	EnforcePrecondition(false, ::DistanceManhattan(tile, to) >= 1);
	EnforcePrecondition(false, IsRailTypeAvailable(GetCurrentRailType()));
	int diag_offset = abs(abs((int)::TileX(to) - (int)::TileX(tile)) - abs((int)::TileY(to) - (int)::TileY(tile)));
	EnforcePrecondition(false, diag_offset <= 1 ||
			(::TileX(from) == ::TileX(tile) && ::TileX(tile) == ::TileX(to)) ||
			(::TileY(from) == ::TileY(tile) && ::TileY(tile) == ::TileY(to)));

	uint32 p2 = SimulateDrag(from, tile, &to) | 1 << 8;
	return ScriptObject::DoCommand(tile, to, p2, CMD_BUILD_RAILROAD_TRACK);
}